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Evolution of Thermoelectric Generators: From Application to Hybridization

SMALL (2023)

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Review Chemistry, Multidisciplinary

Quantum Sensing of Thermoelectric Power in Low-Dimensional Materials

Mali Zhao et al.

Summary: This paper introduces critical advances in the field of quantum sensing of thermopower, ranging from atomic to several-hundred-nanometer scales, and discusses the roles of low-dimensionality, defects, spins, and relativistic effects in optimized power generation. Investigating the microscopic nature of thermopower in quantum materials can provide insights for the design of advanced materials for future thermoelectric applications, while quantum sensing techniques for thermopower can pave the way for practical and novel energy devices towards a sustainable society.

ADVANCED MATERIALS (2023)

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Article Materials Science, Multidisciplinary

One-step post-treatment boosts thermoelectric properties of PEDOT:PSS flexible thin films

Xingyu Liu et al.

Summary: This study develops a one-step post-treatment method using a water-based solution to improve the power factor of PEDOT:PSS films. By using a DMAC solution and LAA reducing agent, the electrical conductivity and Seebeck coefficient of the films are enhanced, resulting in an improved power factor. The research also demonstrates a flexible thermoelectric device assembled with PEDOT:PSS films showing high output power at a temperature difference of 25 K.

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY (2023)

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Article Chemistry, Physical

Thermal-mechanical-electrical energy conversion system based on Curie effect and soft-contact rotary triboelectric nanogenerator

Xiaole Cao et al.

Summary: This study develops a thermal-mechanical-electrical energy conversion system based on the Curie effect and the soft-contact rotary triboelectric nanogenerator to recycle thermal energy in the mid-low temperature range. By utilizing the phase transition mechanism, thermal energy is converted into electrical energy, achieving a maximum power of 4.45 mW.

NANO RESEARCH (2023)

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Review Chemistry, Physical

Ionic Organic Thermoelectrics with Impressively High Thermopower for Sensitive Heat Harvesting Scenarios

Ya-Hsin Pai et al.

Summary: With the worsening worldwide energy crisis, thermoelectric materials have become promising alternative energy sources. Ionic thermoelectrics (iTEs) have attracted attention due to their high thermopower. Organics-based iTEs offer advantages such as low-cost, light-weight, and eco-friendliness, making them suitable for utilizing waste heat from human bodies or mobile devices.

ADVANCED ENERGY MATERIALS (2023)

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Review Chemistry, Physical

Advances in Ionic Thermoelectrics: From Materials to Devices

Shuai Sun et al.

Summary: Ionic thermoelectrics (i-TEs) show exceptional thermoelectric properties and have sparked great interest as a promising technique to convert low-grade waste heat into usable energy. This review provides a comprehensive overview of i-TE materials and devices, including their fundamental effects, performance, manipulation techniques, and assembly methods. The potential practical applications of i-TE devices are also discussed, highlighting the potential to transform waste heat recycling.

ADVANCED ENERGY MATERIALS (2023)

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Review Chemistry, Physical

Triboelectric Nanogenerator Enabled Wearable Sensors and Electronics for Sustainable Internet of Things Integrated Green Earth

Yanqin Yang et al.

Summary: This review presents the advancements of TENG-based electronics in areas such as materials, hybridization, systems integration, and applications in healthcare, environment monitoring, transportation, and smart homes. TENG technology, with its self-powered, cost-effective, and highly customizable advantages, is considered one of the most promising technologies for the development of Internet of Things/5G infrastructure.

ADVANCED ENERGY MATERIALS (2023)

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Article Chemistry, Physical

Flexible micro thermoelectric generators with high power density and light weight

Jian Zhang et al.

Summary: Body heat can be used as a sustainable energy source for wearable and implantable devices. We have developed flexible micro thermoelectric generators (TEGs) with high power density and light weight through pulse electroplating. The optimized flexible micro TEG achieves maximum areal and gravimetric power densities of 14.3 mW cm-2 and 189 mW g-1, respectively, under a temperature difference of 29.9 degrees C. The voltage factor and normalized power to weight ratio of our flexible micro TEG are significantly higher than existing cross-plane flexible TEGs, providing new opportunities for self-powered wearable electronics.

NANO ENERGY (2023)

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Article Chemistry, Multidisciplinary

All-Printed Flexible Hygro-Thermoelectric Paper Generator

Haoyu Shen et al.

Summary: The all-printed flexible hygro-thermoelectric paper generator demonstrates a revolutionary approach to converting ubiquitous hygrothermal resources into renewable energy. It uses bifunctional mobile ions and electrons to synergistically utilize the moist-diffusion effect, the Soret effect, and the Seebeck effect, resulting in unconventional hygro-thermoelectric output patterns with significantly increased hygro-thermopower.

ADVANCED SCIENCE (2023)

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Article Multidisciplinary Sciences

Physics-guided co-designing flexible thermoelectrics with techno-economic sustainability for low-grade heat harvesting

Yi Zhou et al.

Summary: Flexible thermoelectric harvesting of low-grade heat is hindered by low efficiency and high cost. In this study, we demonstrate an unconventional approach to convert low-grade heat into electricity with a 25.3% enhancement in power-cost ratio compared to conventional methods. The reduced material usage and optimal electrical matching lead to energy consumption reduction, electricity savings, and CO2 emission reduction for large-scale industrial production, reshaping the development of flexible thermoelectrics for sustainable heat harvesting. Our findings also offer a cost-effective strategy for electronic co-design in heat management/recovery frontiers.

SCIENCE ADVANCES (2023)

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Article Chemistry, Physical

Thermoelectric energy conversion in buildings

Milad Jabri et al.

Summary: Buildings consume a significant amount of energy and contribute to CO2 emissions. Intelligent buildings using energy efficient technologies have gained attention. Different energy harvesting technologies, including thermoelectric generators (TEGs), have been investigated for converting energy inside and around buildings into electricity. This review article categorizes and discusses the applications of thermoelectric materials and devices in buildings, including cement-based composites and TEGs in windows, walls, pipes, and chimneys. Challenges and solutions for thermoelectric energy harvesting in buildings are also examined.

MATERIALS TODAY ENERGY (2023)

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Article Engineering, Manufacturing

Flexible temperature sensor with high sensitivity ranging from liquid nitrogen temperature to 1200 °C

Zhaojun Liu et al.

Summary: This research proposes a flexible thermocouple temperature sensor based on an aerogel blanket substrate, which has good temperature sensitivity and can work in a wide range of temperatures. The sensor has great potential applications in fields like biomedicine and aerospace.

INTERNATIONAL JOURNAL OF EXTREME MANUFACTURING (2023)

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Article Chemistry, Multidisciplinary

Thermal-Triggered On-Off Switchable Triboelectric Nanogenerator Based on Two-Way Shape Memory Polymer

Guang Yang et al.

Summary: An intelligent triboelectric nanogenerator with thermal-triggered switchable functionality and high triboelectric outputs is developed by designing a movable triboelectric layer driven by a two-way shape memory polyurethane. The device can be spontaneously switched on/off in response to temperature change, and exhibits excellent performance with a maximum output power density of 5.15 W m(-2) at a pressure of 30 kPa. It shows great potential in intelligent wearable electronic applications, serving as both a sensing element for monitoring human movement and physical condition in a cold environment and a thermal-driven switch for heating function.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Article Chemistry, Physical

Enhancement of thermoelectric power factor via electron energy filtering in Cu doped MoS2 on carbon fabric for wearable thermoelectric generator applications

V Shalini et al.

Summary: Cu-doped two-dimensional layered MoS2 nanosheets were grown on carbon fabric via a hydrothermal method, leading to improved electrical conductivity, Seebeck coefficient, and power factor. The maximum Seebeck coefficient for Cu-doped MoS2 was -10 lV/K at 303 K and -13 lV/K at 373 K. A thermo-electric device composed of four pairs of TE materials generated a voltage of 190.7 lV at a temperature gradient of 8 K.

JOURNAL OF COLLOID AND INTERFACE SCIENCE (2023)

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Article Chemistry, Physical

Multifunctional nanofiber mat for high temperature flexible sensors based on electrospinning

Zhaojun Liu et al.

Summary: A flexible alumina-silicon oxide composite nanofiber mat (Al2SiO5) with high-temperature resistance is obtained through electrospinning technique. The maximum tensile strength of the nanofiber mat reaches 3.09 MPa and the maximum withstanding temperature exceeds 973℃ through parameter optimization. The patterned functional thin films are successfully prepared on the flexible Al2SiO5 nanofiber mat using various coating processes, and the nanofiber mat is utilized for the flexible packaging of high-temperature sensors. The multifunctional nanofiber mats prepared by electrospinning have great potential for future applications in the field of flexible sensors.

JOURNAL OF ALLOYS AND COMPOUNDS (2023)

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Article Chemistry, Physical

A large-area bionic skin for high-temperature energy harvesting applications

Zhaojun Liu et al.

Summary: We propose a new type of flexible thermoelectric generators (F-TEGs) that can serve as a large area bionic skin for harvesting thermal energy from waste heat in daily life and industrial production. By referring to biological structures like pinecones, succulents, and feathers, we have developed a biomimetic flexible TEG that demonstrates the highest temperature energy harvesting capability currently available. The laminated free structure of the bionic F-TEG significantly enhances the efficiency and density of energy harvesting. The flexible characteristics of F-TEGs allow for the collection of diffused thermal energy from various high-temperature pipes and vessels, making it a breakthrough in flexible energy harvesting in high-temperature environments.

NANO RESEARCH (2023)

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Article Chemistry, Multidisciplinary

Toward Ultrahigh Thermoelectric Performance of Cu2SnS3-Based Materials by Analog Alloying

Wang Li et al.

Summary: Cu2SnS3 is a promising thermoelectric material for medium-temperature power generation with low-cost and environmental-benign features. Analog alloying with CuInSe2 is adopted to optimize its electrical resistivity and lattice thermal conductivity, resulting in greatly enhanced power factor and reduced lattice thermal conductivity. A peak ZT value of 1.14 at 773 K is achieved for Cu2SnS3 - 9 mol.% CuInSe2, which is one of the highest among Cu2SnS3-based thermoelectric materials. The study demonstrates that analog alloying with CuInSe2 is an effective route to unleash superior thermoelectric performance of Cu2SnS3.

SMALL (2023)

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Article Chemistry, Multidisciplinary

A Bistable Triboelectric Nanogenerator for Low-Grade Thermal Energy Harvesting and Solar Thermal Energy Conversion

Qixuan Zeng et al.

Summary: A novel thermal-driven triboelectric nanogenerator (TD-TENG) is developed, which utilizes a bimetallic beam with a bi-stable dynamic feature to induce continuous mechanical oscillations and convert mechanical motion into electric power. The TD-TENG can produce a power density of 323.9 mW m(-2) at 59.5 degrees C, obtaining the highest record of TENG-based thermal energy harvesters. Moreover, the TD-TENG can harvest and dissipate heat simultaneously, showing great potential in electronic protection and architectural energy conservation.

SMALL (2023)

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Article Nanoscience & Nanotechnology

Substrate-Free Thermoelectric 25 ?m-Thick Ag2Se Films with High Flexibility and In-Plane zT of 0.5 at Room Temperature

Dongchan Lee et al.

Summary: Thermoelectric Ag2Se films that are free-standing exhibit high thermoelectric performance and superior flexibility compared to films constrained on a substrate. The flexibility of these films was systematically investigated in terms of bending strain, bending radius, thickness, and elastic modulus. A substrate-free, flexible thermoelectric generator was successfully fabricated using these free-standing Ag2Se films, demonstrating their energy-harvesting capacity.

ACS APPLIED MATERIALS & INTERFACES (2023)

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Review Chemistry, Multidisciplinary

Organic Thermoelectric Materials: Niche Harvester of Thermal Energy

Longhui Deng et al.

Summary: The article summarizes the basic principles of organic thermoelectric materials, reviews recent progress, and discusses the relationship between structure and properties in high-performance organic thermoelectric materials. The article also explores the important influence of various components in molecular structure on thermoelectric properties and envisions future research directions for organic thermoelectric materials.

ADVANCED FUNCTIONAL MATERIALS (2023)

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Review Chemistry, Multidisciplinary

Advances in Versatile GeTe Thermoelectrics from Materials to Devices

Min Hong et al.

Summary: This article provides a comprehensive review on GeTe-based materials, covering the fundamental analysis, fabrication methods, strategies for enhancing electronic transports and strengthening phonon scatterings, device assembly and performance, as well as future research directions. It highlights the high figure of merit and energy conversion efficiency of GeTe materials, and proposes insights for the development of broader thermoelectric materials.

ADVANCED MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Nanoheterojunction-Mediated Thermoelectric Strategy for Cancer Surgical Adjuvant Treatment and β-elemene Combination Therapy

Xiaoyuan Ji et al.

Summary: As a crucial tumor treatment strategy, surgery can lead to tumor recurrence and wound infection. In this study, a thermoelectric therapeutic strategy was developed using Bi0.5Sb1.5Te3 (BST) and Bi2Te2.8Se0.2 (BTS) nanoplates composed of Z-scheme thermoelectric heterojunction (BST/BTS). The contact between BST and BTS created an interfacial electric field, guiding the combination of electrons in the conductive band (CB) of BTS with the holes in the valance band (VB) of BST, resulting in stronger reduction/oxidation potentials. Additionally, a self-built-in electric field facilitated the migration of electrons and holes to their surfaces under a mild temperature gradient.

ADVANCED MATERIALS (2023)

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Article Chemistry, Multidisciplinary

Stamp-Like Energy Harvester and Programmable Information Encrypted Display Based on Fully Printable Thermoelectric Devices

Xingzhong Zhang et al.

Summary: In this study, a high-performance paper-based TE device was fabricated using simple screen-printing technology, which can be used for power generation and display. The findings offer potential applications in energy harvesting devices, optical encryption, anti-counterfeiting, and dynamic infrared display.

ADVANCED MATERIALS (2023)

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Article Chemistry, Physical

Modifying carbon fiber fabric for flexible thermoelectric energy conversion

Taifeng Shi et al.

Summary: This study reports a novel flexible and high-strength thermoelectric material with ordered Bi2Te3 crystals anchored on carbon fiber networks. The material demonstrates significantly enhanced power factor, tensile strength, and flexibility figure of merit, attributed to its crystal orientation, interface, and cross-linked core-shell structure.

APPLIED SURFACE SCIENCE (2023)

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Article Thermodynamics

High performance flexible thin-film thermoelectric generator heated by methanol catalytic combustion

Nianling Kuang et al.

Summary: This study proposes a flexible thin-film micro combustion-thermoelectric coupled device for power supply to small-scale wireless sensors. The device integrates a thin-film thermoelectric generator (TEG) and catalytic layer using a simple and effective integration method. The experimental results show that the device has high output performance and stability, achieving self-ignition and demonstrating potential as a portable power supply during methanol combustion.

APPLIED THERMAL ENGINEERING (2023)

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Article Materials Science, Multidisciplinary

Persistently self-powered wearable thermoelectric generator enabled by phase-change inorganics as the heat sink

Sijing Zhu et al.

Summary: Wearable electronics improve our lives in terms of work efficiency, health, and lifestyle. However, the low efficiency and toxicity of wearable thermoelectric generators (w-TEGs) limit their widespread application. This study developed an environmentally friendly and high-performance flexible inorganic phase change material (IPCM) as the heat sink of w-TEGs. The results showed that this heat sink could provide over 35 mu W/cm2 output power lasting for 1.5 hours (motionless) or over 8 hours (motion).

MATERIALS TODAY PHYSICS (2023)

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Article Chemistry, Physical

Simulation-aided studies on the superior thermoelectric performance of printable PBDTT-FTTE/SWCNT composites

Ignatious Vijitha et al.

Summary: The thermolectric properties of all-organic composites fabricated with a polymeric system and single-walled carbon nanotubes (SWCNTs) were investigated. It was found that SWCNTs, when hybridized with the polymer, exhibited improved thermoelectric performance, which was further enhanced through p-doping with ferric chloride.

MATERIALS TODAY ENERGY (2023)

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Article Chemistry, Physical

Solvent-optimized monolithic SWCNT-based thermoelectric generator for efficient electricity harvesting from body heat and sunlight

Siqi Liu et al.

Summary: A lightweight and flexible thermoelectric generator based on single-walled carbon nanotubes is developed, which can effectively harvest electricity from body heat and solar light with high energy output.

CARBON (2023)

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Article Engineering, Environmental

Stretchable thermoelectric generators with enhanced output by infrared reflection for wearable application

Bo Wu et al.

Summary: Flexible thermoelectric generators can convert body heat into electricity for wearable electronics, but their practical application has been limited by parasitic heat loss and inadequate waterproofing. This study proposes a compliant engineering solution for encapsulated thermoelectric generators that increases the temperature difference and voltage output. The waterproof encapsulation enables reliable use in real-life activities, and the design concepts can inspire body energy harvesting.

CHEMICAL ENGINEERING JOURNAL (2023)

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Article Nanoscience & Nanotechnology

Thermal enhancement of gelatin hydrogels for a multimodal sensor and self-powered triboelectric nanogenerator at low temperatures

Chunlin Liu et al.

Summary: A thermal enhancement strategy was creatively proposed to prepare PEDOT:PSS-gelatin-based (CHGP) hydrogels with excellent mechanical properties, good adhesion properties, and the lowest freezing point compared to other gelatin-based hydrogels. The CHGP-based multimodal sensors showed high consistency in sensing and monitoring strain and humidity at low temperatures. In addition, a self-powered low-temperature monitoring sensor (C-TENG) was designed to monitor body or environment temperature and human movement without being affected by humidity. This study provides a useful strategy for preparing antifreeze hydrogel-based flexible wearable devices with low-temperature monitoring functions.

ADVANCED COMPOSITES AND HYBRID MATERIALS (2023)

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Article Thermodynamics

An energy self-circulation system based on the wearable thermoelectric harvester for ART driver monitoring

Jiangfan Chen et al.

Summary: This paper proposes a sensor energy self-circulation system based on a copper foam heatsink using a wearable thermoelectric harvester for monitoring driver status. By converting waste heat into electric energy, enhancing heat dissipation capacity, and reducing heat loss, the system realizes self-powered applications of the sensor.

ENERGY (2023)

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Article Chemistry, Physical

Thermal-mechanical-electrical energy conversion system based on Curie effect and soft-contact rotary triboelectric nanogenerator

Xiaole Cao et al.

Summary: A thermal-mechanical-electrical energy conversion (TMEc) system based on the Curie effect and the soft-contact rotary triboelectric nanogenerator (TENG) is developed to recycle thermal energy in the mid-low temperature range.

NANO RESEARCH (2023)

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Article Nanoscience & Nanotechnology

Cheap, Large-Scale, and High-Performance Graphite-Based Flexible Thermoelectric Materials and Devices with Supernormal Industry Feasibility

Shuai Sun et al.

Summary: This study successfully developed superlarge commercial graphite-produced composite films and achieved rapid production through standard industrial processes. The optimized composite film showed a high power factor at high temperatures, making it more cost-effective than existing thermoelectric materials. Additionally, two types of flexible thermoelectric devices were designed based on this composite material, demonstrating high voltage output.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Initiating a Stretchable, Compressible, and Wearable Thermoelectric Generator by a Spiral Architecture with Ternary Nanocomposites for Efficient Heat Harvesting

Lirong Liang et al.

Summary: The study synthesized flexible PEDOT-Tos/Te/SWCNTs nanocomposite films and assembled them into 3D TEGs for efficient thermoelectric conversion. Through a spiral structure, device-level flexibility and compressibility were achieved, with stable energy output.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Recent Advances in Organic and Organic-Inorganic Hybrid Materials for Piezoelectric Mechanical Energy Harvesting

Thangavel Vijayakanth et al.

Summary: This article comprehensively reviews the application of piezo- and ferro-electric materials based on organic molecules and organic-inorganic hybrids in mechanical energy harvesting. The article describes the characterization of the piezo- and ferroelectric properties of these materials and highlights the advantages they have over traditional materials. It also discusses the potential of peptide-based and other biomolecular materials as alternative options. The article concludes with an analysis of the current limitations and future prospects in this field of research.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Flexible and Robust Bacterial Cellulose-Based Ionogels with High Thermoelectric Properties for Low-Grade Heat Harvesting

Kuankuan Liu et al.

Summary: Researchers successfully combined natural polymer and green solvent to prepare an ionogel with high tensile strength, skin-like mechanical stretchability, and adhesivity, demonstrating its potential in the field of thermoelectrics.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Organic Photovoltaics Integrated with Thermoelectric Generator Achieving Low Critical Temperature Difference and Efficient Energy Conversion

Wuyue Liu et al.

Summary: The integration of photovoltaics and thermoelectric generators in organic PVs shows promising results with lower critical temperature difference and higher energy conversion efficiency. Numerical simulations can help optimize operation conditions for highest power output.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Stretchable Thermoelectrics: Strategies, Performances, and Applications

Yunna Hao et al.

Summary: This review comprehensively discusses various design strategies for enhancing the stretchability of thermoelectric materials and devices, highlighting their thermoelectric performance and multifunctional applications. The challenges and prospects in the development and applications of stretchable thermoelectrics are also addressed.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

A Structured Phase Change Material with Controllable Thermoconductive Highways Enables Unparalleled Electricity via Solar-Thermal-Electric Conversion

Yongzheng Zhang et al.

Summary: An innovative phase change composite with fibrous crystals embedded in a circular truncated cone structure has been developed to address the thermal management issue in solar thermoelectric generators (STEGs), achieving a record-breaking power density of 198.70 W m(-2) and enabling stable energy output from clean solar energy.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Exceptionally High Power Factor Ag2Se/Se/Polypyrrole Composite Films for Flexible Thermoelectric Generators

Yating Li et al.

Summary: This study successfully prepared flexible Ag2Se/Se/polypyrrole (PPy) composite films with high power factor and exceptional flexibility. The composite film showed promising thermoelectric properties, indicating great potential for practical applications in wearable devices.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Ultra-High Electrical Conductivity in Filler-Free Polymeric Hydrogels Toward Thermoelectrics and Electromagnetic Interference Shielding

Jing Wang et al.

Summary: This study reports highly conductive PEDOT:PSS hydrogels without any conductive filler, which exhibit about 8 times higher conductivity than polymeric hydrogels without conductive filler in literature. These hydrogels not only show enhanced thermoelectric output power and electromagnetic interference shielding efficiency, but also have stretchable, self-healing, and shape/size-tunable properties, which are desirable for hydrogel bioelectronics and wearable organic devices.

ADVANCED MATERIALS (2022)

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Review Chemistry, Multidisciplinary

MXenes for Energy Harvesting

Yizhou Wang et al.

Summary: This article presents a perspective on using MXenes for energy harvesting from various sources in the environment. It systematically introduces the characteristics of MXenes for energy capturing and summarizes the preparation strategies of MXenes and their derived nanostructures tailored toward such applications. The harvesting mechanism of different energy sources is discussed, and recent progress in MXene-based nanostructures for energy harvesting is introduced. The existing challenges and future directions of MXene-based nanostructure for energy harvesting are also presented.

ADVANCED MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Printed Thermoelectrics

Matthew Burton et al.

Summary: Thermoelectric technology can convert wasted heat energy into electrical energy, helping to facilitate the transition to sustainable energy. However, its application has been limited due to high manufacturing costs and geometric constraints. Printing technology offers a potential solution by reducing costs and allowing for customized fabrication of thermoelectric materials.

ADVANCED MATERIALS (2022)

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Article Physics, Applied

Bi2Te3-based flexible thermoelectric generator for wearable electronics

Qi Zou et al.

Summary: The rapid growth of the Internet of Things has increased the demand for wearable devices. Flexible thermoelectric films, prepared through magnetron sputtering, offer a solution for powering wearable electronics. By optimizing carrier concentration and mobility, the thermoelectric performance of these films has been improved, achieving impressive power factors at room temperature. Furthermore, these films demonstrated excellent durability after repeated bending, making them ideal for wearable applications. The films were also used to design a flexible thermoelectric generator, which showed increased performance with higher temperature differences. The power density reached a peak of approximately 218.8 µW cm(-2) at a temperature difference of around 41 K.

APPLIED PHYSICS LETTERS (2022)

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Article Physics, Applied

A simple method for fabricating flexible thermoelectric nanocomposites based on bacterial cellulose nanofiber and Ag2Se

Dulyawich Palaporn et al.

Summary: This study fabricated flexible thermoelectric nanocomposites from bacterial cellulose and Ag2Se via a simple and inexpensive method, and demonstrated their excellent thermoelectric performance through experimental results. Moreover, the material exhibited high flexibility and scalability, making it suitable for industrial applications of modern flexible thermoelectric devices.

APPLIED PHYSICS LETTERS (2022)

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Article Thermodynamics

Flexible Bi2Te3-based thermoelectric generator with an ultra-high power density

Han You et al.

Summary: The research reports a compact and high-performance flexible thermoelectric generator that can generate stable output power under a temperature difference of 50K, with almost no change in performance after multiple bending tests. These results pave the way for the design of flexible micro-power systems and promote the development of next-generation self-powered sensors and charge-free electronic devices.

APPLIED THERMAL ENGINEERING (2022)

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Article Chemistry, Multidisciplinary

New formulation of the theory of thermoelectric generators operating under constant heat flux

Gao Min

Summary: A new theoretical formulation is reported in this paper to address the operation of thermoelectric generators under constant heat flux, allowing calculation of maximum power output and conversion efficiency. This theory opens up new pathways for studying thermoelectric properties and may lead to the development of new technologies.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Thermodynamics

Stretchable thermoelectric generator for wearable power source and temperature detection applications

Yaoguang Shi et al.

Summary: A novel stretchable thermoelectric generator (STEG) was proposed with 50 pairs of bulk thermoelectric legs connected by kirigami-inspired flexible electrodes. The research results showed that the power density of the STEG was enhanced by improving the cold-side air velocity under convection, and the power density of the device under constant temperature difference conditions could be promoted significantly.

ENERGY CONVERSION AND MANAGEMENT (2022)

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Article Energy & Fuels

Theoretical and experimental investigation of a photovoltaic/thermal panel partially equipped with thermoelectric generator under unstable operating conditions

Mehdi Nikzad et al.

Summary: The research investigates the integration of thermal photovoltaic panels with thermoelectric generator module (PVT-TEG) to reduce the temperature of photovoltaic cells and increase the electrical and thermal efficiency of the system. Experimental and theoretical data show that the PVT-TEG system has a higher electricity generation efficiency compared to a simple panel under specific environment conditions.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2022)

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Article Chemistry, Multidisciplinary

Highly Flexible and Durable Thermoelectric Power Generator Using CNT/PDMS Foam by Rapid Solvent Evaporation

Young Hun Kang et al.

Summary: The authors developed 3D carbon nanotube (CNT)/polydimethylsiloxane (PDMS) foams with high thermoelectric (TE) performance and good mechanical properties using a solvent evaporation process. The foam exhibited low thermal conductivity, high zT value, good tensile strength, and excellent resilience under compressive strain. A flexible TE foam generator was fabricated, demonstrating moderate output power and sustainability under different stress conditions.

SMALL (2022)

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Article Chemistry, Physical

High-performance Stretchable Organic Thermoelectric Generator via Rational Thermal Interface Design for Wearable Electronics

Yalong Wang et al.

Summary: The study successfully enhanced the efficiency of organic thermoelectric generators (oTEG) by developing a special thermal interface that maximized temperature difference utilization. The research also demonstrated the excellent performance of oTEG under various thermal conditions and deformation conditions.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Kirigami-Based Stretchable, Deformable, Ultralight Thin-Film Thermoelectric Generator for BodyNET Application

Zhanpeng Guo et al.

Summary: This research introduces an innovative design concept of constructing stretchable, deformable, ultralight 3D thin-film thermoelectric generators using kirigami techniques. High-performance inorganic thermoelectric films are introduced without property degradation, leading to the highest open voltage density and maximum power density achieved in the TEG.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Self-Healable Organic-Inorganic Hybrid Thermoelectric Materials with Excellent Ionic Thermoelectric Properties

Yoga Trianzar Malik et al.

Summary: By incorporating SiO2 nanoparticles into organic-inorganic ionic TE composites, a new material with high ionic TE figure of merit and self-healing/stretching properties has been developed. This material maintains its TE properties under severe external stresses and demonstrates a high energy density under temperature difference.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Thermoelectric converter: Strategies from materials to device application

Zhenhua Wu et al.

Summary: Thermoelectricity is a green technology that converts thermal energy into electricity, playing a vital role in addressing global warming. Recent advancements in thermoelectric materials and devices have enabled various applications such as sensors, temperature control, and desalination. Efforts are being made to further improve material performance, optimize device design, and explore new application scenarios for uninterrupted power generation.

NANO ENERGY (2022)

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Article Energy & Fuels

Hybrid Energy-Harvesting System by a Coupling of Triboelectric and Thermoelectric Generator

Ou Yang et al.

Summary: In this study, an energy harvesting device was designed to improve the energy harvesting efficiency by coupling an adaptive rotating triboelectric nanogenerator (AR-TENG) with a thermoelectric generator (ThEG). The results showed that the energy storage velocity of the whole device charging supercapacitor was improved by almost 28 times.

ENERGY TECHNOLOGY (2022)

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Article Chemistry, Multidisciplinary

Whole Fabric-Assisted Thermoelectric Devices for Wearable Electronics

Yue Hou et al.

Summary: Ultraflexible fabric-based thermoelectric generators (uf-TEGs) with conductive cloth electrodes and elastic fabric substrate have been developed, demonstrating excellent integrity and flexibility for high functional thermoelectric performance under large strain or irregularly shaped heat sources.

ADVANCED SCIENCE (2022)

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Review Chemistry, Multidisciplinary

Hydrogels as Soft Ionic Conductors in Flexible and Wearable Triboelectric Nanogenerators

Yinghong Wu et al.

Summary: This article provides an overview of the advantages, types, advanced functions, enhanced output performance, as well as flexible and wearable applications of hydrogel-based TENGs (H-TENGs). It is a valuable reference for researchers and engineers in the field. Furthermore, the challenges and future prospects of H-TENGs are also discussed.

ADVANCED SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Novel Thermal Diffusion Temperature Engineering Leading to High Thermoelectric Performance in Bi2Te3-Based Flexible Thin-Films

Dong-Wei Ao et al.

Summary: The study demonstrates that the thermal diffusion method is an effective approach to fabricate high-performance and applicable flexible Te-embedded Bi2Te3-based thin films.

ADVANCED SCIENCE (2022)

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Article Chemistry, Physical

Flexible elemental thermoelectrics with ultra-high power density

Jing Cao et al.

Summary: The research team designed high-performance thermoelectric materials by highlighting power factors instead of the traditional figure of merit zT. By preparing thin films with high power factors but low zT, they achieved high power density even with low zT values. The results suggest that maximizing power factors is more important than maximizing zT in both organic and inorganic thin films.

MATERIALS TODAY ENERGY (2022)

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Article Chemistry, Physical

Flexible Thermoelectric Paper and Its Thermoelectric Generator from Bacterial Cellulose/Ag2Se Nanocomposites

Dulyawich Palaporn et al.

Summary: A flexible thermoelectric paper was successfully fabricated using bacterial cellulose/silver selenide nanocomposites. The in situ synthesis of silver selenide particles within the bacterial cellulose structure resulted in a homogeneous distribution of submicrosize particles, leading to enhanced thermoelectric properties. The hot-pressing process further improved the microstructure and increased the power factor of the paper.

ACS APPLIED ENERGY MATERIALS (2022)

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Article Nanoscience & Nanotechnology

High-Power-Density Wearable Thermoelectric Generators for Human Body Heat Harvesting

Wusheng Fan et al.

Summary: A study introduced rigid wearable TEGs without ceramic substrates, showing that increasing the height significantly improves power density and wearability in practical applications.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Towards Low Cost and Sustainable Thin Film Thermoelectric Devices Based on Quaternary Chalcogenides

Eleonora Isotta et al.

Summary: Thin film thermoelectric devices based on sustainable and non-toxic materials show promising performance and significantly outperform traditional thermoelectrics in terms of power density and cost. This represents a first step towards the development of sustainable and cost-effective thin film TE devices for various applications.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Anisotropic Electrical Conductivity and Isotropic Seebeck Coefficient Feature Induced High Thermoelectric Power Factor >1800 μW m-1 K-2 in MWCNT Films

Xu Sun et al.

Summary: The power factor of flexible multi-walled carbon nanotube films has been significantly enhanced by utilizing the anisotropic electrical conductivity and isotropic Seebeck coefficient features of 1D CNTs, along with doping and cold-pressing processes to improve electrical conductivity. This has resulted in a high power factor comparable to state-of-the-art single/double-walled carbon nanotube films and most inorganic TE materials.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Liquid Crystal Elastomer with Integrated Soft Thermoelectrics for Shape Memory Actuation and Energy Harvesting

Mason Zadan et al.

Summary: Liquid crystal elastomers (LCEs) are combined with soft, stretchable thermoelectrics to create electrically controlled actuators, active cooling, and thermal-to-electrical energy conversion. This innovative combination allows for closed-loop control, walking towards a heat source, and autonomous deflection in soft systems, increasing energy recuperation efficiency.

ADVANCED MATERIALS (2022)

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Article Physics, Applied

Thermoelectric coolers for high-power-density 3D electronics heat management

Amin Nozariasbmarz et al.

Summary: Future advancements in 3D electronics rely on robust thermal management methodology. Thermoelectric coolers (TECs) are solid-state heat pumping devices that can meet the cooling requirements of emerging 3D microelectronic devices. This study provides a computational model for designing TECs for electronics cooling and validates the predictions through experiments. The results show that high cooling power density can be achieved by optimizing TE leg height and packing density.

APPLIED PHYSICS LETTERS (2022)

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Article Engineering, Environmental

Flexible pCu2Se-nAg2Se thermoelectric devices via in situ conversion from printed Cu patterns

Jinqi Xie et al.

Summary: Flexible pCu(2)Se-nAg(2)Se thermoelectric devices were successfully realized using precisely printed copper patterns. The Cu2Se and Ag2Se films obtained exhibited hierarchical defects that significantly scattered phonons, resulting in low thermal conductivity and optimal thermoelectric performance. The devices showed excellent power density and flexibility stability.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Ionic-liquid doping of carbon nanotubes with [HMIM][BF4] for flexible thermoelectric generators

Jaemin Jung et al.

Summary: This study investigates the doping mechanisms of carbon nanotubes (CNTs) with 1-hexyl-3-methylimidazolium tetrafluoroborate under different surface states of CNTs controlled by adjusting the amount of anionic surfactants. It is found that imidazolium cations are preferentially adsorbed on the negatively charged CNT surfaces through strong interactions with the anionic head groups of the surfactants, leading to p-doping. On the other hand, more tetrafluoroborate anions can easily access the CNT surface when the CNT surfaces become relatively neutral, resulting in n-doping. These doping mechanisms can be selectively controlled using a simple solution process.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Engineering, Environmental

Exceptional power factor of flexible Ag/Ag2Se thermoelectric composite films

Xiang Li et al.

Summary: A high-performance Ag/Ag2Se thermoelectric film has been successfully fabricated using a novel method. The film exhibits high power factor, electrical conductivity, flexibility, and stability. This study provides an important breakthrough for the fabrication of high-performance flexible thermoelectric films.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Energy & Fuels

All-in-one energy harvesting system with triboelectric and thermoelectric hybrid generator and Au nanoflower supercapacitor for a light stimulation to the wildlife

Inkyum Kim et al.

Summary: The overlap of human and wildlife activities has increased with infrastructure expansion. By utilizing energy harvesting technology, a warning signal can be generated and transmitted to wildlife using a hybrid energy harvester and gold nanoflower-based supercapacitor. The hybrid generator is optimized for the highest charging speed, and the electrochemical characteristics of the supercapacitor are demonstrated.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2022)

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Review Energy & Fuels

Review on Wearable Thermoelectric Generators: From Devices to Applications

Sijing Zhu et al.

Summary: This review comprehensively summarizes the latest strategies for achieving flexibility and high normalized power density in wearable thermoelectric generators. By exploring the links among materials, TE performance, and design, this review helps readers select suitable thermoelectric devices and potential applications.

ENERGIES (2022)

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Review Energy & Fuels

Recent advances in thermoelectric technology to harvest energy from the pavement

Jian Wei et al.

Summary: This article discusses the application of thermoelectric technology in pavement energy harvesting, as well as the potential developments and advantages of thermoelectric cementitious composites. By studying different thermoelectric energy harvesting systems and methods, energy conversion efficiency can be improved and damage to the pavement can be reduced.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2022)

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Article Chemistry, Physical

Enhanced performance of SnSe/PEDOT: PSS composite films by MWCNTs for flexible thermoelectric power generator

Dan Liu et al.

Summary: In this study, flexible multiwall carbon nanotubes (MWCNTs)-tin selenide (SnSe)/poly (3,4- ethylene dioxythiophene): poly (styrene sulfonate) (PEDOT: PSS)/dimethyl sulfoxide (DMSO) composite films were fabricated and their thermoelectric properties were investigated. The results showed that increasing the content of MWCNTs in the composite films improved the electrical conductivity but decreased the Seebeck coefficient. Additionally, MWCNTs enhanced the carrier concentration and mobility of the films, leading to improved thermoelectric performance. This research highlights the great potential of MWCNTs in enhancing the thermoelectric performance of flexible composite films for wearable devices.

JOURNAL OF ALLOYS AND COMPOUNDS (2022)

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Article Chemistry, Multidisciplinary

Multifunctional Superelastic Graphene-Based Thermoelectric Sponges for Wearable and Thermal Management Devices

Ding Zhang et al.

Summary: This paper introduces a superelastic graphene-based thermoelectric sponge for wearable electronics and thermal management. The sponge has a high Seebeck coefficient and large compressive strain, and demonstrates good stability. The sponge array TE device can drive medical equipment and reduce CPU temperature.

NANO LETTERS (2022)

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Article Chemistry, Physical

Highly Integrated, Wearable Carbon-Nanotube-Yarn-Based Thermoelectric Generators Achieved by Selective Inkjet-Printed Chemical Doping

Kyung Tae Park et al.

Summary: Flexible thermoelectric materials are essential for self-powered wearable electronics, but their practical applications are hindered by low performance. This study proposes a highly aligned carbon-nanotube yarns (CNTYs) with selective doping via inkjet printing, achieving ultrahigh power factors for p- and n-type thermoelectric materials. The highly integrated, flexible CNTY-based thermoelectric generator (TEG) can generate unprecedented milliwatt-scale power using body heat alone, surpassing previously reported flexible material-based TEGs.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

A Three-Terminal Hybrid Thermionic-Photovoltaic Energy Converter

Alessandro Bellucci et al.

Summary: Hybrid thermionic-photovoltaics (TIPV) are solid-state thermal-to-electric energy converters that rely on the non-isothermal transport of photons and electrons through a vacuum gap. By independently collecting thermionic and photogenerated currents, the maximum power generation capacity of PV and thermionic sub-devices at 1400 degrees C has been demonstrated. This proof of concept paves the way for the development of efficient hybrid thermionic and photovoltaic converters for the direct conversion of heat into electricity.

ADVANCED ENERGY MATERIALS (2022)

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Review Nanoscience & Nanotechnology

Mapping the Progress in Flexible Electrodes for Wearable Electronic Textiles: Materials, Durability, and Applications

Md Luthfar Rahman Liman et al.

Summary: This review comprehensively summarizes the recent progress in electronic textiles (e-textiles) using different electroactive materials and textile architectures for numerous wearable applications. The integration of nanoscale conductive particles has simplified personal interactive communications and portable sensing in smart textile devices. Challenges and strategies for realizing fully functional e-textile systems are also discussed.

ADVANCED ELECTRONIC MATERIALS (2022)

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Article Chemistry, Physical

A wearable organic photovoltaic-thermoelectric (OPV-TE) hybrid generator to minimize the open-circuit voltage losses of OPV module

Yong Jun Kim et al.

Summary: This study proposes a hybrid generator composed of an OPV module and TEG to improve power generation performance by minimizing the VOC losses of the OPV module. The hybrid device shows improved efficiency and photon absorption of the OPV module, increased VOC, and longer charge recombination lifetime, resulting in higher short-circuit current and up to 46.3% more electrical energy harvesting compared to the OPV module alone.

NANO ENERGY (2022)

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Article Chemistry, Physical

All-in-one single-piece flexible solar thermoelectric generator with scissored heat rectifying p-n modules

Kuncai Li et al.

Summary: A new junction-free all-in-one single-piece solar thermoelectric generator with heat-rectifying structure has been developed, achieving high power output and flexibility. The device showed promising performance in flexible organic thermoelectric devices, outperforming conventional thermoelectric generators.

NANO ENERGY (2022)

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Article Chemistry, Physical

Highly integrated fiber-shaped thermoelectric generators with radially heterogeneous interlayers

Kun Wang et al.

Summary: This study reports a flexible scrolled thermoelectric (TE) module with high-density p-n junctions achieved by rolling a patterned carbon nanotube film and a cellulose acetate nanofiber membrane. The module demonstrates high integration and output voltage density. A fiber-shaped TE device is designed by interconnecting the scrolled modules, and p-n junctions are realized in both axial and radial directions. Furthermore, the fiber-shaped TE device can be woven with commercial yarns to construct TE fabric for harvesting thermal energy.

NANO ENERGY (2022)

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Article Chemistry, Physical

Highly stretchable three-dimensional thermoelectric fabrics exploiting woven structure deformability and passivation-induced fiber elasticity

Doojoon Jang et al.

Summary: A method of achieving high thermoelectric performance and exceptional mechanical reliability of three-dimensional fabrics is proposed, which involves passivation and weaving of thermoelectric fibers. The woven fabric can harvest heat in the vertical direction and has high open-circuit voltage and power, as well as reliable mechanical stability. This new fabric holds promise for self-powered wearable electronics.

NANO ENERGY (2022)

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Article Chemistry, Physical

Hybridized generator to simultaneously harvest tribo-thermal energy induced by vibration of fluorine rich-beads

Su Thiri San et al.

Summary: With the growth of energy crisis and global warming issues, harvesting vibration and thermal energy using TENG and TEG can be a solution. A hybridized generator HG-TTB is proposed to simultaneously harvest tribo-thermal energy induced by vibration and collision. HG-TTB generates higher electrical power density and stores more electrical energy than C-TENG and F-TEG, and can supply electrical energy to a rust removing system.

NANO ENERGY (2022)

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Article Chemistry, Physical

Soft multi-modal thermoelectric skin for dual functionality of underwater energy harvesting and thermoregulation

Yeongju Jung et al.

Summary: This study presents a stretchable thermoelectric skin (TES) that can harvest energy and regulate body temperature in the underwater environment. TES, with its soft and elastic nature, enables better heat conduction and achieves higher power density compared to previous stretchable thermoelectric devices. The underwater environment further enhances TES's thermoelectric efficiency and makes it suitable for wearable underwater rescue platforms.

NANO ENERGY (2022)

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Article Green & Sustainable Science & Technology

Green Economy-Green Jobs in the Context of Sustainable Development

Anca Vasilica Tanasie et al.

Summary: Europe is facing an energy crisis due to high gas costs, highlighting the importance of renewable energy to reduce dependence on imports. This research examines the renewable energy production structure in Romania between 2010 and 2020, and the green employment generated in the sector from 2010 to 2019. The study predicts that by 2025, hydropower will employ the largest proportion of workers in the renewable energy sector in Romania, followed by solar energy, biomass energy, and wind energy.

SUSTAINABILITY (2022)

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Article Chemistry, Multidisciplinary

A Bi2Te3-Filled Nickel Foam Film with Exceptional Flexibility and Thermoelectric Performance

Taifeng Shi et al.

Summary: There is a growing demand for wearable electronics and thermoelectric materials are considered a promising self-charging technology. This study developed a flexible and efficient composite film by depositing Bi2Te3 nanoplates into porous nickel foam. The film exhibited high tensile strength, flexibility, electrical conductivity, and Seebeck coefficient, resulting in a high power factor. A module fabricated with this film demonstrated a promising output power. This work provides a cost-effective approach for making highly flexible thermoelectric films for power supply in wearable electronics.

NANOMATERIALS (2022)

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Article Nanoscience & Nanotechnology

Structural Modifications and Enhanced Thermoelectric Performance of CuI Nanoparticles Induced via Al-Doping

Numan Salah et al.

Summary: The article introduces the improved thermoelectric performance of copper iodide nanoparticles through appropriate aluminum doping. Aluminum doping enhances the electrical conductivity and reduces the particle size, leading to enhanced thermoelectric efficiency. The doped nanoparticles also show enhanced power generation capabilities near room temperature.

ADVANCED ELECTRONIC MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Operation of Wearable Thermoelectric Generators Using Dual Sources of Heat and Light

Myeong Hoon Jeong et al.

Summary: A novel wearable thermoelectric generator (WTEG) has been fabricated, which utilizes the dual source of body heat and light for high driving force and power density. By optimizing the fill factor, the WTEG achieves the highest power density among all kinds of WTEGs under actual operating conditions, while retaining a significant portion of its output power at high ambient temperature.

ADVANCED SCIENCE (2022)

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Article Chemistry, Physical

Solution-Processed Hole-Doped SnSe Thermoelectric Thin-Film Devices for Low-Temperature Power Generation

Seung Hwae Heo et al.

Summary: This paper presents a solution-processed fabrication of high-performance Ag-doped SnSe thin films operable in a low-temperature range. The Ag doping induces preferred crystallographic orientation and grain growth in SnSe, resulting in enhanced thermoelectric performance at low temperatures. Additionally, stretchable and patterned devices were fabricated using thin-film wrinkling and photolithography techniques, and their power generation performance was evaluated, demonstrating the feasibility of the proposed thin films as energy harvesters in emerging electronic systems.

ACS ENERGY LETTERS (2022)

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Article Materials Science, Multidisciplinary

Realizing high thermoelectric performance in highly (0l0)-textured flexible Cu2Se thin film for wearable energy harvesting

Zhuang-Hao Zheng et al.

Summary: Searching for eco-friendly and earth-abundant materials to replace traditional high-cost bismuth telluride for wearable device fabrication is important in thermoelectrics. In this study, flexible Cu2Se thin films with high thermoelectric performance were successfully fabricated using a simple co-sputtering method. Excess Cu in Cu2Se films was found to decrease carrier concentration, resulting in a higher Seebeck coefficient. Additionally, Cu-excess Cu2Se films exhibited preferred orientation and high carrier mobility, leading to decent electrical conductivity and low thermal conductivity. A maximum ZT value of 0.42 was achieved at 275 degrees C, indicating the simultaneous optimization of electrical and heat transport. Furthermore, a flexible thermoelectric device assembled with high-performance Cu2Se films showed a maximum power density of 4.28 Wm(-2) at a temperature difference of 50 degrees C, and its thermal stability was greatly improved by introducing a molybdenum buffer layer. This study demonstrates the potential of rational microstructure manipulation and connection technology improvement in achieving high performance in flexible thermoelectric devices with wearable applications.

MATERIALS TODAY PHYSICS (2022)

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Article Chemistry, Physical

Thermoelectric films and periodic structures and spin Seebeck effect systems: facets of performance optimization

Nagaraj Nandihalli

Summary: The growing market for sensors, Internet of Things, and wearable devices has led to the development of low-cost energy-harvesting materials and systems. This review discusses the recent advancements in fabricating high-performance thermoelectric films and superlattice structures, including microstructure control, doping, defects, composition, surface roughness, and interface control. The review also analyzes the properties and performance of various thermoelectric material films, as well as the spin Seebeck effect in different systems.

MATERIALS TODAY ENERGY (2022)

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Article Nanoscience & Nanotechnology

Self-Healable and Robust PE/PEDOT/SWCNT Thermoelectric Composites

Xin Wu et al.

Summary: With the increasing popularity and application prospects of flexible wearable electronics, organic thermoelectric materials have become a hotspot in the field of energy recycling and environmental protection. In this study, a polyethylene matrix was used in combination with poly(3,4-ethylenedioxythiophene) and single-walled carbon nanotubes, forming a conductive penetration network and providing the composites with a high room-temperature power factor. The inclusion of polyethylene not only reduces thermal conductivity but also improves self-healing and mechanical properties of the composites.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Nanoscience & Nanotechnology

Environmentally Tolerant Ionic Hydrogel with High Power Density for Low-Grade Heat Harvesting

Jianhao Chen et al.

Summary: In this study, a thermoelectric generator (ITEG) using an ionic hydrogel was developed to convert low-grade heat into electricity for flexible electronics. The ITEG exhibited high thermoelectric properties and excellent environmental tolerance, retaining water content and resisting freezing at low temperatures. The ITEG also demonstrated self-regeneration capabilities. It achieved a high ionic Seebeck coefficient and impressive power density under a temperature difference. The successful lighting of LEDs and charging of capacitors highlight the potential of ITEG in providing continuous energy supply for flexible electronics.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Nanoscience & Nanotechnology

Ultraflexible PEDOT:PSS/Helical Carbon Nanotubes Film for All-in-One Photothermoelectric Conversion

Xin-zheng Jin et al.

Summary: In this study, a full organic PTE film with improved photothermal conversion performance was prepared by optimizing the arrangement and structure of molecular chains. A flexible PTE chip with high flexibility and stability was manufactured.

ACS APPLIED MATERIALS & INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Enhanced Thermoelectric Properties of Bi2Te3-Based Micro-Nano Fibers via Thermal Drawing and Interfacial Engineering

Min Sun et al.

Summary: By enhancing the TE properties of micro-nano polycrystalline TE fibers through interfacial engineering, the ZT value and bending stability can be significantly improved, benefiting the development of fiber-based micro-TE devices.

ADVANCED MATERIALS (2022)

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Article Chemistry, Physical

Achieving high thermoelectric properties in PEDOT:PSS/SWCNTs composite films by a combination of dimethyl sulfoxide doping and NaBH4 dedoping

Li Zhang et al.

Summary: By doping with DMSO and dedoping with NaBH4, the thermoelectric properties of PEDOT:PSS/SWCNTs composite film can be significantly improved, achieving high electrical conductivity and Seebeck coefficient. The high electrical conductivity is achieved by removing insulating PSS, changing the stacking structure of PEDOT chains, and forming a three-dimensional conductive network between PEDOT:PSS and SWCNTs. Dedoping with NaBH4 reduces the oxidation level of PEDOT:PSS, leading to a compromise between electrical conductivity and Seebeck coefficient.

CARBON (2022)

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Article Engineering, Environmental

Free-standing p-Type SWCNT/MXene composite films with low thermal conductivity and enhanced thermoelectric performance

Jiacheng Wei et al.

Summary: In this study, three-dimensional hollow structured SWCNT/MXene films were prepared for the first time as high-performance thermoelectric materials. The Seebeck coefficient was increased by the energy-filtering effect at the SWCNT/MXene interfaces, and the hole concentration was decreased by compensating with electrons from MXenes. The formation of the hollow structures and contact junctions reduced the thermal conductivity and facilitated electron transfer.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Physical

Boosted Output Voltage of BiSbTe-Based Thermoelectric Generators via Coupled Effect between Thermoelectric Carriers and Triboelectric Charges

Sun-Woo Kim et al.

Summary: In this study, the output voltage of a thermoelectric generator was enhanced by introducing highly charged polyimide-based dielectrics. The electric potential difference across the thermoelectric generator was significantly increased by attaching a block of polyimide containing high charge density, and this increase was maintained for a prolonged period of time.

ADVANCED ENERGY MATERIALS (2022)

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Article Materials Science, Multidisciplinary

Dual Post-Treatments Boost Thermoelectric Performance of PEDOT:PSS Films and Their Devices

Ting Wu et al.

Summary: Dual post-treatments using sodium sulfite and formamide are employed to enhance the thermoelectric performance of PEDOT:PSS films, resulting in an optimized power factor. The post-treated films can be assembled into flexible thermoelectric devices with potential for sustainable charging of low-grade wearable electronics.

MACROMOLECULAR MATERIALS AND ENGINEERING (2022)

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Article Materials Science, Multidisciplinary

Flexible thermoelectric generators prepared by dispenser printing technology

Shih-Yao Chien et al.

Summary: This paper investigates the printing paste rheology, thermoelement sintering process, and output performance of dispenser-printed flexible thermoelectric generators (f-TEGs). The sintered thermoelements show high thermoelectric power factors after optimization, and the f-TEG maintains its performance after bending. The feasibility of powering a LED and charging a battery with multiple f-TEGs is demonstrated.

MATERIALS CHEMISTRY AND PHYSICS (2022)

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Article Materials Science, Multidisciplinary

Recent advancements in thermoelectric generators for smart textile application

Samantha Newby et al.

Summary: Electro-textiles are the future of wearable technology, and research into self-powered textiles, such as thermoelectric generators, is growing. These textiles harness their own electrical energy, with one system being investigated using human body waste heat. Optimization of design, fabrication methods, and materials are necessary for commercial viability.

MATERIALS TODAY COMMUNICATIONS (2022)

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Article Chemistry, Physical

Printing Liquid Metal Elastomer Composites for High-Performance Stretchable Thermoelectric Generators

Youngshang Han et al.

Summary: This study introduces highly efficient, stretchable thermoelectric generators made of inorganic semiconductors and printed multifunctional soft matter. The thermoelectric generators are able to conform to curved surfaces and maintain efficiency under large deformations, while also exhibiting durability. The generators generate high open-circuit voltage and power density, and can withstand stretching cycles at high strain. The use of liquid metal elastomer composites and elastomer composites with hollow microspheres contribute to the performance and durability of the generators.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Energy autonomous electronic skin with direct temperature-pressure perception

Yunfeng Chen et al.

Summary: This study introduces a flexible self-powered temperature-pressure dual functional e-skin based on the coupling triboelectric and thermoelectric effects, which can effectively convert temperature and pressure stimuli into independent voltage signals with good resolution and sensitivity. The work provides a promising prototype for passive multi-parameters e-skin, with great potential for applications in wearable health monitoring systems and artificial intelligence perception.

NANO ENERGY (2022)

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Article Chemistry, Multidisciplinary

Substrate Modification for High-Performance Thermoelectric Materials and Generators Based on Polymer and Carbon Nanotube Composite

Hongfeng Huang et al.

Summary: Polymer and carbon nanotube composites have attracted extensive attention for thermoelectric materials due to their combination of low thermal conductivity and high electrical conductivity. This study demonstrates that surface modification using self-assembled monolayers (SAMs) is a promising strategy for improving the performance of thermoelectric materials and devices.

ADVANCED MATERIALS INTERFACES (2022)

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Article Chemistry, Multidisciplinary

Directional Thermal Diffusion Realizing Inorganic Sb2Te3/Te Hybrid Thin Films with High Thermoelectric Performance and Flexibility

Meng Wei et al.

Summary: In this study, a high-performance and flexible Sb2Te3/Te-x hybrid thin film was fabricated using a novel directional thermal diffusion reaction growth method. The film exhibited optimized carrier density and low thermal conductivity, resulting in a high ZT value and high power density, showing great potential for sustainably charging low-power electronic devices.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Review Chemistry, Multidisciplinary

Recent Progresses in Wearable Triboelectric Nanogenerators

Dumindu G. Dassanayaka et al.

Summary: Integrating electronics with clothing and the human body is becoming a reality, revolutionizing future life. Triboelectric nanogenerators (TENGs), utilizing static charging between materials to convert mechanical vibrations into electricity, are seen as a leading candidate to power wearable electronics due to their advantages such as high power outputs, efficiency, low cost, ease of fabrication, lightweight, and wearability.

ADVANCED FUNCTIONAL MATERIALS (2022)

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Article Chemistry, Multidisciplinary

Janus Helical Ribbon Structure of Ordered Nanowire Films for Flexible Solar Thermoelectric Devices

Cheng Chen et al.

Summary: Solar thermoelectric devices, with their unique ability to convert waste heat and solar energy into electricity, play a significant role in addressing the problem of global warming. In this study, a flexible 3D Janus helical ribbon architecture was designed, which showed all-day electricity generation, large temperature gradient, and even generated electricity at night. This strategy offers a new way for heat management by efficiently utilizing solar energy and the cold of the universe.

ADVANCED MATERIALS (2022)

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Article Thermodynamics

High performance flexible thermoelectric generator using bulk legs and integrated electrodes for human energy harvesting

Nianling Kuang et al.

Summary: The application of heteromorphic electrodes in flexible thermoelectric generators significantly enhances heat dissipation capacity, leading to a significant increase in output power.

ENERGY CONVERSION AND MANAGEMENT (2022)

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Article Materials Science, Multidisciplinary

Optimal array alignment to deliver high performance in flexible conducting polymer-based thermoelectric devices

Shengduo Xu et al.

Summary: This study demonstrates the successful fabrication of a high-performance flexible thermoelectric device (F-TEDs) by optimizing the assembly of vertically-aligned poly(3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) arrays. The optimized device design and material treatment techniques ensure the high performance, mechanical robustness, and environmental stability of the F-TEDs.

JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY (2022)

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Article Multidisciplinary Sciences

Flexible thermoelectrics based on ductile semiconductors

Qingyu Yang et al.

Summary: A series of high-performance p-type ductile thermoelectric materials based on silver sulfide-based ductile semiconductors has been developed, which show great potential for use in flexible thermoelectric devices. Thin and flexible pi-shaped devices with high power density have been successfully demonstrated.

SCIENCE (2022)

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Article Multidisciplinary Sciences

Dense dislocations enable high-performance PbSe thermoelectric at low-medium temperatures

Liqing Xu et al.

Summary: The authors achieved high thermoelectric performance in low-medium temperature PbSe through the introduction of dense dislocations. The dislocation density reached a high level and two types of dislocations were observed in n-type PbSe-based thermoelectric material. These dislocations effectively reduced the lattice thermal conductivity while maintaining high carrier transport.

NATURE COMMUNICATIONS (2022)

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Article Chemistry, Physical

Assembly-Free Fabrication of High-Performance Flexible Inorganic Thin-Film Thermoelectric Device Prepared by a Thermal Diffusion

Dong-Wei Ao et al.

Summary: A one-step thermal diffusion method is developed to enhance the leg-electrode contact, thermoelectric performance, bending resistance, and stability of inorganic thin-film thermoelectric devices.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Adaptable and Wearable Thermocell Based on Stretchable Hydrogel for Body Heat Harvesting

Cheng Xu et al.

Summary: Traditional inorganic thermoelectric materials and flexible organic conductive polymers have limitations. This study proposes the use of a polyacrylamide-based ultra-stretchable hydrogel matrix with suitable electrolytes to address these limitations and develop a portable thermocell for human body surfaces.

ADVANCED ENERGY MATERIALS (2022)

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Article Chemistry, Physical

Wearable fabric-based hybrid energy harvester from body motion and body heat

Weon-Guk Kim et al.

Summary: In this study, a wearable fabric-based energy harvester is demonstrated, which hybridizes a triboelectric generator and a thermoelectric generator. The fabric-based energy harvester effectively scavenges electrical energy from body motion and body heat, and charges a storage capacitor with the harvested energy, which can be used to partially charge a smartphone.

NANO ENERGY (2022)

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Article Chemistry, Multidisciplinary

High Figure-of-Merit Telluride-Based Flexible Thermoelectric Films through Interfacial Modification via Millisecond Photonic-Curing for Fully Printed Thermoelectric Generators

Md Mofasser Mallick et al.

Summary: The research presented the screen-printed flexible (SbBi)2(TeSe)3-based TE films with record-high ZT and power factors, prepared using printing technologies, showing potential for waste heat recovery and energy harvesting applications.

ADVANCED SCIENCE (2022)

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Article Chemistry, Physical

All-MXene thermoelectric nanogenerator

Dazhen Huang et al.

Summary: MXenes have diverse applications and show potential for thermoelectric properties. In this study, Mo2TiC2Tx and Nb2CTx MXenes were controlled to exhibit n-type and p-type properties, respectively. Flexible and integrated thermoelectric nanogenerators were successfully fabricated using MXenes.

MATERIALS TODAY ENERGY (2022)

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Article Economics

Between a rock and a hard place: European energy policy and complexity in the wake of the Ukraine war

Christine Sturm

Summary: The paper discusses Europe's lack of efforts to enhance energy security before Russia's invasion of Ukraine, and the subsequent actions taken to regain energy sovereignty. A comparative vulnerability study between Germany and Lithuania highlights different approaches to addressing energy security issues.

JOURNAL OF INDUSTRIAL AND BUSINESS ECONOMICS (2022)

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Article Engineering, Environmental

Continuous manufacture of stretchable and integratable thermoelectric nanofiber yarn for human body energy harvesting and self-powered motion detection

Xinyang He et al.

Summary: Thermoelectric nanofiber yarns with high stretchability and seamability have the ability to convert heat energy from the human body to electrical energy. They can be used in smart wearable fields such as cold/heat source identification, breathing monitoring, and exercise optimization.

CHEMICAL ENGINEERING JOURNAL (2022)

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Article Chemistry, Multidisciplinary

High-performance, flexible thermoelectric generator based on bulk materials

Qian Xu et al.

Summary: This study presents a bulk-material-based f-TEG with multifunctional copper electrodes and fabrics, which improves heat concentration, dissipation, comfort, and heat-leakage reduction. The results show that the f-TEG achieves high output power density and illumination performance under specific environmental conditions.

CELL REPORTS PHYSICAL SCIENCE (2022)

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Article Chemistry, Multidisciplinary

Durable, stretchable and washable inorganic-based woven thermoelectric textiles for power generation and solid-state cooling

Yuanyuan Zheng et al.

Summary: This study develops a strategy to produce ISC-based segmented hierarchically ternary coaxial TE fibers for manufacturing highly mechanically stable, stretchable, breathable and washable woven TETs. The TET demonstrates good mechanical and TE performance, making it suitable for on-body monitoring and solid-state cooling applications.

ENERGY & ENVIRONMENTAL SCIENCE (2022)

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Article Engineering, Electrical & Electronic

High-Performance Conformal Thermoelectric Generator for Environmental Monitoring

Yining Feng et al.

Summary: This study presents a film-based cTEG device that can efficiently scavenge mid- to low-grade wasted heat from underground pipeline systems. By combining bulk TE elements with a flexible printed circuit board, the power output density of the device is significantly increased, making it a cost-effective solution.

ACS APPLIED ELECTRONIC MATERIALS (2022)

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Article Physics, Multidisciplinary

Enhancing the thermoelectric performance through the mutual interaction between conjugated polyelectrolytes and single-walled carbon nanotubes

Shuxun Wan et al.

Summary: Researchers propose a method to construct a high-performing flexible thermoelectric generator by combining conjugated polyelectrolytes (CPEs) and single-walled carbon nanotubes (SWCNTs) as composites. The resulting composites demonstrate significantly improved electrical conductivity and thermoelectric properties.

CHINESE PHYSICS B (2022)

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Review Chemistry, Multidisciplinary

Functional Fibers and Fabrics for Soft Robotics, Wearables, and Human-Robot Interface

Jiaqing Xiong et al.

Summary: Soft robotics inspired by living organisms' movement offer excellent adaptability and accuracy, making them highly desirable for efficient operations and safe interactions with humans. Advances in wearable electronics have led to a pursuit for higher tactility and skin affinity for safe and user-friendly human-robot interactions. The utilization of dynamic fibers and fabrics in soft-robots and wearables is becoming increasingly favored for their active stimulus responses.

ADVANCED MATERIALS (2021)

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Article Energy & Fuels

High coolingperformances of H-shape heat sink for thermoelectric energy harvesting system (TEHs) at asphalt pavement

Khairun Nisa Khamil et al.

Summary: The study focuses on designing a thermoelectric energy harvesting system (TEHs) to convert waste heat from asphalt pavements into useful electrical energy by utilizing H-shape elements for underground cooling to achieve high temperature differences (ΔT). The simulation and experimental validation show a 75% improvement in ΔT using the H-shape cooling element compared to traditional designs, with the size of the cooling element affecting heat distribution. The field testing results confirm the simulation findings, demonstrating the potential of TEHs in charging supercapacitors for automatic street lights.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2021)

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Article Nanoscience & Nanotechnology

Conformal High-Power-Density Half-Heusler Thermoelectric Modules: A Pathway toward Practical Power Generators

Wenjie Li et al.

Summary: Thermoelectric generators utilizing the Seebeck effect present a promising solution for waste heat recovery. Half-Heusler alloys are leading candidates for medium- to high-temperature power generation applications, but face challenges in practical implementation. A new conformal architecture design provides a breakthrough for medium- to high-temperature TEG technology, offering higher performance compared to traditional TEG devices.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Nanoscience & Nanotechnology

Enhanced-Performance PEDOT:PSS/Cu2Se-Based Composite Films for Wearable Thermoelectric Power Generators

Yao Lu et al.

Summary: In this study, a flexible PEDOT:PSS/Cu2Se-based nanocomposite film was prepared on a nylon membrane using vacuum filtration and hot pressing, demonstrating significantly improved thermoelectric properties. The optimized film showed a high power factor at 400K and excellent flexibility, retaining 85% of the power factor after 1000 bending cycles. Additionally, when paired with n-type PEDOT/Ag2Se/CuAgSe films, a flexible TE generator produced a maximum voltage and power output at a temperature difference of 44K.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Thermodynamics

Exergoeconomic and environmental analyses of a novel multi-generation system including five subsystems for efficient waste heat recovery of a regenerative gas turbine cycle with hybridization of solar power tower and biomass gasifier

Mohammad Zoghi et al.

Summary: This study aims to recover waste heat from a regenerative gas turbine cycle driven by a hybrid heat source of solar power tower and biomass gasification. The system converts into a novel multi-generation system, with equipment such as thermoelectric generator utilized for electricity, heating, cooling, and hydrogen production subsystems connectivity.

ENERGY CONVERSION AND MANAGEMENT (2021)

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Article Engineering, Environmental

High-performance stretchable thermoelectric fibers for wearable electronics

Ningxuan Wen et al.

Summary: In this study, high-performance stretchable TE fibers were successfully produced through a simple one-step wet-spinning approach. The composite fibers exhibited a high power factor, good stretchability, and outstanding TE property stability under cyclic stretching, making them ideal for practical applications as stretchable temperature sensors and TE generators in wearable electronics.

CHEMICAL ENGINEERING JOURNAL (2021)

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Article Construction & Building Technology

Characteristics of new cement-based thermoelectric composites for low-temperature applications

Xiaoli Liu et al.

Summary: The research investigates thermoelectric cement candidates for building envelope applications, studying the impact of additives graphite and MnO2, as well as two different fabrication methods (wet-mixing and dry-mixing) on thermoelectric performance. The DynaCool Physical Properties Measurement System was used to test the thermoelectric properties of candidates, revealing that the thermoelectric cement with 10% graphite and 5% MnO2 has the highest ZT value at 350 K.

CONSTRUCTION AND BUILDING MATERIALS (2021)

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Article Construction & Building Technology

Experimental study and multi-objective optimisation of a novel integral thermoelectric wall

Pengcheng Wang et al.

Summary: This study introduces a simple and practical integral thermoelectric wall (ITEW) that eliminates heat losses or gains of the wall and provides indoor cooling and heating capacity. By optimizing key parameters, the cooling and heating performance of ITEW can be simultaneously improved.

ENERGY AND BUILDINGS (2021)

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Article Thermodynamics

Thermoelectric generator with a high integration density for portable and wearable self-powered electronic devices

Nguyen Van Toan et al.

Summary: This study presents thermoelectric generators (TEGs) for portable and wearable self-powered electronic devices, comparing two different devices with low and high numbers of thermoelectric elements. The TEGs demonstrate high performance and potential as power sources for portable and wearable electronic devices, with successful demonstrations as power supplies for a calculator and a twist watch. In addition, energy harvested from the TEGs can be stored in rechargeable batteries via DC-DC converters, with efficient electronic conversion.

ENERGY CONVERSION AND MANAGEMENT (2021)

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Article Chemistry, Physical

Self-charging wearables for continuous health monitoring

Jiyong Kim et al.

Summary: Remarkable advances in wearable electronics have enabled multi-functional health monitoring, but power demands have led to the need for larger batteries and frequent recharging. By combining a wearable thermoelectric generator (WTEG) with a high-performance Li-S battery, sustainable power delivery has been achieved, overcoming the main obstacle in utilizing thermoelectrics for wearable electronics.

NANO ENERGY (2021)

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Article Energy & Fuels

Efficient self-powered wearable electronic systems enabled by microwave processed thermoelectric materials

Amin Nozariasbmarz et al.

Summary: Integrated body sensor networks are expected to dominate the future of healthcare, and thermoelectric generators can play a crucial role in generating electricity from body heat for self-powered wearable medical devices. This study provides a comprehensive analysis of wearable thermoelectric generators, including synthesis of materials designed for body heat harvesting and considerations for enhancing body comfort by eliminating heatsinks. The optimized materials demonstrated significant improvements in voltage and power generation compared to commercial devices, making them the best in class for body heat harvesting in wearable applications.

APPLIED ENERGY (2021)

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Article Energy & Fuels

Thermoelectric performance study on a heat pipe thermoelectric generator for micro nuclear reactor application

Simiao Tang et al.

Summary: The heat pipe cooled reactor is designed to meet future energy demands with advantages such as modularity, solid state, high reliability, and passive safety. In this study, a finite element model is established to investigate the thermoelectric performance of the TEG coupled with heat pipes, and experimental validation is conducted to verify the numerical model accuracy, with a maximum simulation error within 5%. The research provides insights into the application potential of TEGs in static heat pipe cooled reactors and lays foundations for multiphysics coupling analysis of micro heat pipe cooled reactors.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2021)

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Review Chemistry, Physical

Wearable fiber-based thermoelectrics from materials to applications

Wen-Yi Chen et al.

Summary: Fiber-based thermoelectrics show great potential in charging wearable electronics due to their high performance, flexibility, and stability. The current focus is on unique designs, chemical engineering, fabrication methods, and improving thermoelectric performance.

NANO ENERGY (2021)

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Article Chemistry, Physical

All-Soft and Stretchable Thermogalvanic Gel Fabric for Antideformity Body Heat Harvesting Wearable

Tianpeng Ding et al.

Summary: A soft and stretchable thermogalvanic fabric woven from hydrogel fibers is proposed, with ideal mechanical properties for adapting to irregular and continuously deformed skin and achieving efficient body heat harvesting.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Triboelectric Charge-Driven Enhancement of the Output Voltage of BiSbTe-Based Thermoelectric Generators

Sun-Woo Kim et al.

Summary: A new method for increasing the output voltage of a thermoelectric generator using a dielectric layer and a metal layer with an air gap has been demonstrated, without modifying the materials. The output voltage can be consistently increased with the application of compressive force.

ACS ENERGY LETTERS (2021)

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Article Multidisciplinary Sciences

High-performance wearable thermoelectric generator with self-healing, recycling, and Lego-like reconfiguring capabilities

Wei Ren et al.

Summary: The wearable TEG achieves high open-circuit voltage and flexibility, and greatly improves performance through integrating wavelength-selective metamaterial film, paving the way for the next generation of energy-harvesting devices.

SCIENCE ADVANCES (2021)

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Article Chemistry, Physical

Thickness-dependent properties of ultrathin bismuth and antimony chalcogenide films formed by physical vapor deposition and their application in thermoelectric generators

J. Andzane et al.

Summary: This work presents a simple and cost-effective physical vapor deposition method for producing high-quality Bi2Se3 and Sb2Te3 ultrathin films on various substrates. The synthesized ultrathin films exhibit interesting thermoelectric properties at specific thicknesses, comparable to those grown by molecular beam epitaxy method. Performance of the best ultrathin films is tested in a prototype of a thermoelectric generator.

MATERIALS TODAY ENERGY (2021)

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Article Chemistry, Physical

Recent advances in flexible thermoelectric films and devices

Xiang Li et al.

Summary: Flexible thermoelectric films (f-TEFs) have gained increasing attention in the last decade and made significant breakthroughs in the past two years, being widely applied in flexible thermoelectric generators. This paper reviews the preparation methods of f-TEFs, proposes strategies for enhancing their performance, and showcases the design of device utilizing their mechanical flexibility and thermoelectric properties.

NANO ENERGY (2021)

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Article Chemistry, Physical

From carbon nanotubes to highly adaptive and flexible high-performance thermoelectric generators

Bo Wu et al.

Summary: This study presents an AF-TEG based on thin-film carbon nanotube assemblies that can generate high voltage and output power under moderate temperature differences, showing great potential for practical applications.

NANO ENERGY (2021)

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Article Chemistry, Physical

A self-powered hydrogen leakage sensor based on impedance adjustable windmill-like triboelectric nanogenerator

Jinxing Jiang et al.

Summary: This study introduces a self-powered hydrogen leakage detector, utilizing impedance matching by adjusting the center angle of a windmill-like triboelectric nanogenerator. It offers a new approach to meeting the safety requirements of fuel cell vehicles.

NANO ENERGY (2021)

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Review Chemistry, Physical

A comprehensive review on the output voltage/power of wearable thermoelectric generators concerning their geometry and thermoelectric materials

Zohreh Soleimani et al.

Summary: Wearable thermoelectric generators' high output efficiency depends on TE materials and the structure of TE legs. In the research, it was found that inorganic, hybrid, and organic TE materials exhibit superior output powers in different types of legs.

NANO ENERGY (2021)

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Article Chemistry, Physical

Elastic aerogel thermoelectric generator with vertical temperature-difference architecture and compression-induced power enhancement

Xiaodong Wang et al.

Summary: An elastic poly(3,4-ethylenedioxytiophene)-tosylate(PEDOT-Tos)/single-walled carbon nanotube (SWCNT) TE aerogel was fabricated for the first time, leading to the development of elastic TEGs with vertical-type aerogel legs displaying high TE performance and adjustable output power. Furthermore, the ultralight and compressible TEG showed excellent capability of harvesting heat under vertical temperature difference and mechanical deformation.

NANO ENERGY (2021)

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Review Chemistry, Physical

Thermoelectric coolers as thermal management systems for medical applications: Design, optimization, and advancement

Sadeq Hooshmand Zaferani et al.

Summary: Thermoelectric coolers have gained significant attention in small-scale cooling applications, particularly in medical practices, due to their environmentally friendly systems, silent operation, and reliable temperature control. Optimal thermal management of thermoelectric coolers can be achieved through efficient thermoelectric materials, heat sink and absorption design, and flexible production methods. Novel thermoelectric cooler technologies are gradually replacing traditional refrigerators in medical and wearable technology applications.

NANO ENERGY (2021)

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Article Energy & Fuels

A Sustainable model for the integration of solar and geothermal energy boosted with thermoelectric generators (TEGs) for electricity, cooling and desalination purpose

Ehsanolah Assareh et al.

Summary: An integrated energy system for cooling, hot water, electricity, and desalinated water production is proposed, with the use of thermoelectric generators instead of condensers to improve energy efficiency and reduce costs. System performance is evaluated in various seasons, with the system using thermoelectric generators selected for optimization to achieve a cost rate of 10.41 ($ / GJ) and an exergy efficiency of 20.52%.

GEOTHERMICS (2021)

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Article Materials Science, Multidisciplinary

Thin-films on cellulose paper to construct thermoelectric generator of promising power outputs suitable for low-grade heat recovery

Rafiq Mulla et al.

Summary: A cellulose paper-based thermoelectric generator packaged inside Kapton layers is fabricated, showing enhanced physical stability and flexibility with impressive power outputs at low temperature heating. The use of copper iodide and bismuth coated cellulose papers as p-type and n-type conductors successfully yields high output voltage and power in the device. This approach offers a simple and economical solution for fabricating eco-friendly thermoelectric devices for low-grade heat conversion applications.

MATERIALS TODAY COMMUNICATIONS (2021)

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Review Chemistry, Physical

The Power of Silk Technology for Energy Applications

Stephen Strassburg et al.

Summary: Silk fibers, made of proteins, exhibit excellent mechanical properties that can be further enhanced through genetic modification. Despite the lack of current interest in silk-based materials for hybrid energy devices, their potential applications in various systems are vast.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Doping-Induced Viscoelasticity in PbTe Thermoelectric Inks for 3D Printing of Power-Generating Tubes

Jungsoo Lee et al.

Summary: Thermoelectric technologies aim to improve fossil energy efficiencies by generating electricity from waste heat. A 3D-printing method for PbTe thermoelectric materials is reported for designing high-performance power-generating TE tubes.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Thermoelectric energy harvesting electronic skin (e-skin) Patch with reconfigurable carbon nanotube clays

Min Hyouk Kim et al.

Summary: This study introduces a skin-adaptable permanent power technology for electronic skin, which achieves high elongation and remendability through thermoelectric clay, greatly improving thermoelectric performance. Test on human skin suggests the technology can still operate successfully under severe conditions.

NANO ENERGY (2021)

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Review Chemistry, Multidisciplinary

Potentially Wearable Thermo-Electrochemical Cells for Body Heat Harvesting: From Mechanism, Materials, Strategies to Applications

Yuqing Liu et al.

Summary: This review summarizes the recent developments of potentially wearable thermo-electrochemical cells for body-heat harvesting, with a focus on flexible electrode materials, solid-state electrolytes, device fabrication, and strategies towards applications. It clarifies the challenges and provides future directions to enhance investigations on high-performance wearable TECs for practical and self-powered wearable devices.

ADVANCED SCIENCE (2021)

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Article Chemistry, Multidisciplinary

Leaf-Inspired Flexible Thermoelectric Generators with High Temperature Difference Utilization Ratio and Output Power in Ambient Air

Qing Zhou et al.

Summary: The study presents a leaf-inspired flexible thermoelectric generator that utilizes a vertical alignment of thin films to maximize temperature difference utilization, optimizing performance. In air convection scenarios, the generator demonstrates good temperature difference utilization ratio and output power, making it suitable for Internet of Things and wearable electronic devices.

ADVANCED SCIENCE (2021)

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Article Nanoscience & Nanotechnology

High Performance of Post-Treated PEDOT:PSS Thin Films for Thermoelectric Power Generation Applications

Immanuel Paulraj et al.

Summary: Organic conducting polymers show great potential as thermoelectric materials for wearable devices due to their excellent thermoelectric properties and advantages in cost, processing, toxicity, thermal conductivity, flexibility, weight, and large-scale applications.

ACS APPLIED MATERIALS & INTERFACES (2021)

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Article Chemistry, Multidisciplinary

Artificial Intelligence-Enabled Caregiving Walking Stick Powered by Ultra-Low-Frequency Human Motion

Xinge Guo et al.

Summary: The walking stick, powered by ultralow-frequency human motion and equipped with advanced sensing features, serves as a healthcare monitoring platform for motion-impaired users. It provides functionalities such as identity recognition, disability evaluation, and motion status distinguishing, along with GPS tracing and environmental sensing. The caregiving walking stick demonstrates the potential to be an intelligent aid for motion-impaired users to live life with autonomy and safety.

ACS NANO (2021)

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Article Chemistry, Multidisciplinary

High-Performance Flexible Schottky DC Generator via Metal/Conducting Polymer Sliding Contacts

Ruizhe Yang et al.

Summary: Dynamic Schottky direct-current (DC) generators show great potential for energy harvesting, but the lack of understanding of DC generation in conducting polymer-based generators has hindered their applications. A high-performance, flexible Schottky DC generator demonstrated large current density and scaled-up DC output, inheriting flexibility from the long-chain polymer concept and showing promise for next-generation wearable devices.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Mechanically Robust and Flexible Films of Ionic Liquid-Modulated Polymer Thermoelectric Composites

Zhipeng Li et al.

Summary: A new type of high-performance polymer thermoelectric composite with high thermoelectric performance and mechanical toughness has been reported, showing potential application prospects in addressing the issue of poor mechanical performance of TE composites.

ADVANCED FUNCTIONAL MATERIALS (2021)

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Review Chemistry, Multidisciplinary

Wearable Thermoelectric Materials and Devices for Self-Powered Electronic Systems

Yanhua Jia et al.

Summary: The emergence of artificial intelligence and the Internet of Things has led to a growing demand for wearable and maintenance-free power sources. Development of devices powered by body heat is now feasible, and thermoelectric materials have emerged as promising candidates for effective conversion of body heat into electricity. Wearable thermoelectric generators have become more flexible and stretchable, and various functional materials, processing techniques, and device design strategies are discussed in this review. Challenges in organic TE materials, interfacial engineering, and assessments of device performance are also addressed, with suggestions provided for future developments in the area of wearable TE materials and devices.

ADVANCED MATERIALS (2021)

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Article Thermodynamics

An experimental investigation on the performance of TEGs with a compact heat exchanger design towards low-grade thermal energy recovery

Wei Yang et al.

Summary: A novel compact heat exchanger design for modular assembly of thermoelectric generator (TEG) system was proposed, increasing the TEG system's performance with high volumetric power density and low power consumption by considering uniform temperature distribution and flow resistance. The design provides a potential solution for large-scale applications of TEG system in harvesting low-grade thermal energy.

APPLIED THERMAL ENGINEERING (2021)

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Article Chemistry, Multidisciplinary

Enhancing the figure of merit of n-type PbTe materials through multi-scale graphene induced interfacial engineering

Wenbin Qiu et al.

Summary: The study achieved a significant enhancement in the thermoelectric performance of n-type PbTe compound by incorporating graphene, resulting in a peak figure of merit value of 1.73. This improvement was attributed to the multi-scale feature of graphene-induced interfacial decorations, which suppressed thermal conductivity and increased Seebeck coefficient and power factor.

NANO TODAY (2021)

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Article Chemistry, Physical

Synergistic Texturing and Bi/Sb-Te Antisite Doping Secure High Thermoelectric Performance in Bi0.5Sb1.5Te3-Based Thin Films

Ming Tan et al.

Summary: By carefully tuning the deposition temperature to enhance the texture and induce Bi/Sb-Te antisite doping in Bi0.5Sb1.5Te3 thin films, a high ZT value of approximately 1.5 was achieved, showing great potential for practical applications.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Deformable High Loading Liquid Metal Nanoparticles Composites for Thermal Energy Management

Hyunwoo Bark et al.

Summary: This study introduces a strategy to obtain thermally conductive and soft elastomers with a high-volume ratio of EGaIn nanoparticles by surface modification and crosslinking, demonstrating excellent thermal transport properties and low elastic modulus. The elastomer exhibits anisotropic thermal conductivity upon stretching, making it suitable for use as a thermal interface layer for thermoelectric devices.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Physical

Recyclable, Healable, and Stretchable High-Power Thermoelectric Generator

Pengcheng Zhu et al.

Summary: Recyclable, healable, and stretchable TEGs (RHS-TEGs) are assembled from commercial Bi2Te3 and Sb2Te3 TE legs, utilizing liquid metal as interconnects and dynamic covalent thermoset polyimine as encapsulation, achieving superior power density. The TEGs fabricated using this strategy demonstrate excellent TE performance, mechanical compliance, and healing and recycling capabilities.

ADVANCED ENERGY MATERIALS (2021)

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Review Chemistry, Physical

Current State-of-the-Art in the Interface/Surface Modification of Thermoelectric Materials

Shiyang He et al.

Summary: The current research efforts are focused on improving the efficiency of thermoelectric materials through decorating second phases and manipulating phase boundaries in multi-phase composites.

ADVANCED ENERGY MATERIALS (2021)

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Article Chemistry, Multidisciplinary

Screen-Printed Flexible Thermoelectric Device Based on Hybrid Silver Selenide/PVP Composite Films

Dan Liu et al.

Summary: A flexible thermoelectric generator (F-TEG) based on screen printing of n-type Ag2Se/PVP film showed optimal thermoelectric performance at a ratio of 30:1. The F-TEG demonstrated good output voltage and power at a temperature difference of 40K, providing a simple and efficient preparation solution for environmentally friendly and wearable thermoelectric devices.

NANOMATERIALS (2021)

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Article Nanoscience & Nanotechnology

Novel Stacking Design of a Flexible Thin-Film Thermoelectric Generator with a Metal-Insulator-Semiconductor Architecture

Xudong Tao et al.

Summary: A stacked thermoelectric generator utilizing a metal-insulator-semiconductor structure shows potential for increased power output by stacking thermoelectric strips, while maintaining a small device size on the substrate plane. Experimental and simulation results indicate that the performance of functional strips can be protected under deformation within the acrylate matrix.

ADVANCED ELECTRONIC MATERIALS (2021)

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Article Nanoscience & Nanotechnology

Benzothienobenzothiophene-Based Organic Charge Transfer Complex and Carbon Nanotube Composites for p-Type and n-Type Thermoelectric Materials and Generators

Shihui Qin et al.

Summary: The study focuses on the composite of organic charge transfer complexes (CTCs) and single-walled carbon nanotubes (SWCNTs) as thermoelectric materials for flexible thermoelectric generators, where different side chains of BTBT derivatives and F(4)TCNQ are component of the CTCs. The highest p-type power factor is observed in PhBTBT-F(4)TCNQ/SWCNT composite film, while the highest n-type power factor is found in C8BTBT-F(4)TCNQ/SWCNT composite film.

ADVANCED ELECTRONIC MATERIALS (2021)

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Article Nanoscience & Nanotechnology

A thin-film temperature sensor based on a flexible electrode and substrate

Zhaojun Liu et al.

Summary: The development of a flexible micro-three-dimensional temperature sensor has greatly improved stability and reliability through optimized process parameters and structural design, making it widely applicable in bio-robotics and healthcare systems. The proposed application of the sensor model in a mask can collect health information, reducing deaths caused by the lack of timely detection and treatment.

MICROSYSTEMS & NANOENGINEERING (2021)

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Review Chemistry, Physical

Thermoelectric energy harvesting using cement-based composites: a review

V. P. Singh et al.

Summary: This article reviews the application of thermoelectric-based cement composites for energy harvesting and thermal sensing, and summarizes the development in improving thermoelectric properties by adding different admixtures.

MATERIALS TODAY ENERGY (2021)

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Article Chemistry, Physical

Thermoelectric generation via tellurene for wearable applications: recent advances, research challenges, and future perspectives

E. Liu et al.

Summary: This review focuses on the theory, performance, fabrication, and future directions of thermoelectric generation using 2D tellurene. Research shows that 2D tellurene has exceptional thermoelectric properties, making it a promising material for developing flexible thermoelectric generators for wearable devices and real-time health monitoring. Future research should focus on developing thermoelectric theory and manufacturing methods to advance the field of 2D tellurene wearable thermoelectrics.

MATERIALS TODAY ENERGY (2021)

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Article Chemistry, Multidisciplinary

Self-powered ultrasensitive and highly stretchable temperature-strain sensing composite yarns

Kening Wan et al.

Summary: The translation introduces a new trimodal stretchable yarn-based transducer coating commercially available Lycra yarns with PEDOT:PSS. This material can sense strain, temperature, and power itself thermoelectrically, offering potential for creating internet-enabled devices in various form factors.

MATERIALS HORIZONS (2021)

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Review Chemistry, Multidisciplinary

Sustainable wearable energy storage devices self-charged by human-body bioenergy

Jian Lv et al.

Summary: Charging wearable energy storage devices with bioenergy from human-body motions, biofluids, and body heat presents great potential for sustainability and autonomy. Researchers have developed devices that can harvest energy from body movements, biofluids, and body heat, exploring various charging strategies for powering wearable electronics.

SUSMAT (2021)

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Article Materials Science, Multidisciplinary

Boosting a Power Performance of a Hybrid Nanogenerator via Frictional Heat Combining a Triboelectricity and Thermoelectricity toward Advanced Smart Sensors

Seungju Jo et al.

Summary: The hybrid nanogenerator efficiently provides power for healthcare systems by scavenging human motion and heat energy, reducing mortality in emergency situations and improving the accuracy of fall detection.

ADVANCED MATERIALS TECHNOLOGIES (2021)

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Review Chemistry, Multidisciplinary

Fiber-based thermoelectrics for solid, portable, and wearable electronics

Xiao-Lei Shi et al.

Summary: This work provides a comprehensive review of fiber-based thermoelectrics, discussing significant advances in various types of fibers and devices for applications in electronics. The challenges and future directions towards the development of fiber-based thermoelectrics are also pointed out.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

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Review Chemistry, Multidisciplinary

Fiber-Based Energy Conversion Devices for Human-Body Energy Harvesting

Liang Huang et al.

ADVANCED MATERIALS (2020)

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Article Chemistry, Physical

Thermoelectric generators for wearable body heat harvesting: Material and device concurrent optimization

Amin Nozariasbmarz et al.

NANO ENERGY (2020)

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Review Energy & Fuels

Review of wearable thermoelectric energy harvesting: From body temperature to electronic systems

Amin Nozariasbmarz et al.

APPLIED ENERGY (2020)

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Article Energy & Fuels

Flexible thermoelectric generators for body heat harvesting - Enhanced device performance using high thermal conductivity elastomer encapsulation on liquid metal interconnects

Yasaman Sargolzaeiaval et al.

APPLIED ENERGY (2020)

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Review Energy & Fuels

A review on the performance of photovoltaic/thermoelectric hybrid generators

Ahmet Z. Sahin et al.

INTERNATIONAL JOURNAL OF ENERGY RESEARCH (2020)

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Article Multidisciplinary Sciences

Enhancing the current density of a piezoelectric nanogenerator using a three-dimensional intercalation electrode

Long Gu et al.

NATURE COMMUNICATIONS (2020)

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Article Multidisciplinary Sciences

Stretchable fabric generates electric power from woven thermoelectric fibers

Tingting Sun et al.

NATURE COMMUNICATIONS (2020)

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Flexible Self-Powered Real-Time Ultraviolet Photodetector by Coupling Triboelectric and Photoelectric Effects

Yi Zhang et al.

ACS APPLIED MATERIALS & INTERFACES (2020)

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Article Chemistry, Physical

Dynamic piezo-thermoelectric generator for simultaneously harvesting mechanical and thermal energies

Yi Zhou et al.

NANO ENERGY (2020)

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Review Chemistry, Multidisciplinary

High-Performance Thermoelectric SnSe: Aqueous Synthesis, Innovations, and Challenges

Xiao-Lei Shi et al.

ADVANCED SCIENCE (2020)

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Article Chemistry, Physical

Wearable and flexible thin film thermoelectric module for multi-scale energy harvesting

Vaithinathan Karthikeyan et al.

JOURNAL OF POWER SOURCES (2020)

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Emerging Materials and Strategies for Personal Thermal Management

Run Hu et al.

ADVANCED ENERGY MATERIALS (2020)

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Review Chemistry, Physical

High-Performance GeTe-Based Thermoelectrics: from Materials to Devices

Wei-Di Liu et al.

ADVANCED ENERGY MATERIALS (2020)

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Fully direct written organic micro-thermoelectric generators embedded in a plastic foil

M. Massetti et al.

NANO ENERGY (2020)

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Influences of annealing temperature on the thermoelectric properties of thin film thermocouples based on a flexible substrate by RF magnetron sputtering

Zhaojun Liu et al.

MEASUREMENT SCIENCE AND TECHNOLOGY (2020)

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Stretchable Nanolayered Thermoelectric Energy Harvester on Complex and Dynamic Surfaces

Yang Yang et al.

NANO LETTERS (2020)

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Semiconductor glass with superior flexibility and high room temperature thermoelectric performance

Shiyang He et al.

SCIENCE ADVANCES (2020)

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Single-Crystal SnSe Thermoelectric Fibers via Laser-Induced Directional Crystallization: From 1D Fibers to Multidimensional Fabrics

Jing Zhang et al.

ADVANCED MATERIALS (2020)

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Review Chemistry, Multidisciplinary

Advanced Thermoelectric Design: From Materials and Structures to Devices

Xiao-Lei Shi et al.

CHEMICAL REVIEWS (2020)

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A fully self-powered wearable monitoring system with systematically optimized flexible thermoelectric generator

Jinfeng Yuan et al.

APPLIED ENERGY (2020)

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Elastic thermoelectric sponge for pressure-induced enhancement of power generation

Jungwon Kim et al.

NANO ENERGY (2020)

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All 3D-printed stretchable piezoelectric nanogenerator with non-protruding kirigami structure

Xinran Zhou et al.

NANO ENERGY (2020)

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Article Chemistry, Physical

Self-powered wearable pressure sensing system for continuous healthcare monitoring enabled by flexible thin-film thermoelectric generator

Yaling Wang et al.

NANO ENERGY (2020)

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Machine Learning Glove Using Self-Powered Conductive Superhydrophobic Triboelectric Textile for Gesture Recognition in VR/AR Applications

Feng Wen et al.

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Thermoelectric Generators: Alternative Power Supply for Wearable Electrocardiographic Systems

Matthew Dargusch et al.

ADVANCED SCIENCE (2020)

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Self-Powered Electronic Skin with Multisensory Functions Based on Thermoelectric Conversion

Jinfeng Yuan et al.

ADVANCED MATERIALS TECHNOLOGIES (2020)

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Article Chemistry, Multidisciplinary

Sustainable and Biodegradable Wood Sponge Piezoelectric Nanogenerator for Sensing and Energy Harvesting Applications

Jianguo Sun et al.

ACS NANO (2020)

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Article Chemistry, Physical

Blue Energy Collection toward All-Hours Self-Powered Chemical Energy Conversion

Ningning Zhai et al.

ADVANCED ENERGY MATERIALS (2020)

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Micro triboelectric ultrasonic device for acoustic energy transfer and signal communication

Chen Chen et al.

NATURE COMMUNICATIONS (2020)

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Article Multidisciplinary Sciences

Triboelectric nanogenerator sensors for soft robotics aiming at digital twin applications

Tao Jin et al.

NATURE COMMUNICATIONS (2020)

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Annual energy harvesting performance of a phase change material-integrated thermoelectric power generation block in building walls

Yoo-Suk Byon et al.

ENERGY AND BUILDINGS (2020)

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Article Chemistry, Physical

A polymer-based textile thermoelectric generator for wearable energy harvesting

Anja Lund et al.

JOURNAL OF POWER SOURCES (2020)

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Review Chemistry, Multidisciplinary

Cu2Se thermoelectrics: property, methodology, and device

Wei-Di Liu et al.

NANO TODAY (2020)

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Study on the characteristics of thermo-electrodes of various deposition parameters for the flexible temperature sensor

Zhaojun Liu et al.

REVIEW OF SCIENTIFIC INSTRUMENTS (2020)

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Article Multidisciplinary Sciences

Scalable thermoelectric fibers for multifunctional textile-electronics

Tianpeng Ding et al.

NATURE COMMUNICATIONS (2020)

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Article Chemistry, Physical

Transition metal pincer complex based self-healable, stretchable and transparent triboelecctric nanogenerator

Jinqiang Wang et al.

NANO ENERGY (2020)

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Article Chemistry, Physical

Growth mechanisms and related thermoelectric properties of innovative hybrid networks fabricated by direct deposition of Bi2Se3 and Sb2Te3 on multiwalled carbon nanotubes

K. Buks et al.

MATERIALS TODAY ENERGY (2020)

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Review Chemistry, Physical

Recent advances in wearable textile-based triboelectric generator systems for energy harvesting from human motion

Bao Yang et al.

ECOMAT (2020)

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Article Engineering, Electrical & Electronic

A temperature sensor based on flexible substrate with ultra-high sensitivity for low temperature measurement

Zhaojun Liu et al.

SENSORS AND ACTUATORS A-PHYSICAL (2020)

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Review Chemistry, Multidisciplinary

Cu2Se-Based liquid-like thermoelectric materials: looking back and stepping forward

Zixun Zhang et al.

ENERGY & ENVIRONMENTAL SCIENCE (2020)

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Article Chemistry, Physical

Carbon nanotube yarn based thermoelectric textiles for harvesting thermal energy and powering electronics

Yuanyuan Zheng et al.

JOURNAL OF MATERIALS CHEMISTRY A (2020)

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Article Chemistry, Multidisciplinary

Design, Performance, and Application of Thermoelectric Nanogenerators

Ding Zhang et al.

SMALL (2019)

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Article Chemistry, Physical

Beyond energy harvesting - multi-functional triboelectric nanosensors on a textile

Tianyiyi He et al.

NANO ENERGY (2019)

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Article Chemistry, Physical

SiGe nanowire arrays based thermoelectric microgenerator

Inci Donmez Noyan et al.

NANO ENERGY (2019)

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Article Chemistry, Multidisciplinary

High-Performance Flexible Thermoelectric Devices Based on All-Inorganic Hybrid Films for Harvesting Low-Grade Heat

Bo Wu et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Review Polymer Science

Flexible Organic Thermoelectric Materials and Devices for Wearable Green Energy Harvesting

Yinhang Zhang et al.

POLYMERS (2019)

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Article Chemistry, Physical

Flexible electronic skins based on piezoelectric nanogenerators and piezotronics

Hui Yuan et al.

NANO ENERGY (2019)

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Article Energy & Fuels

The role of renewable energy in the global energy transformation

Dolf Gielen et al.

ENERGY STRATEGY REVIEWS (2019)

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Article Multidisciplinary Sciences

Wearable thermoelectrics for personalized thermoregulation

Sahngki Hong et al.

SCIENCE ADVANCES (2019)

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Review Chemistry, Multidisciplinary

Flexible Thermoelectric Materials and Generators: Challenges and Innovations

Yuan Wang et al.

ADVANCED MATERIALS (2019)

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Review Green & Sustainable Science & Technology

Advancements in thermoelectric generators for enhanced hybrid photovoltaic system performance

Samson Shittu et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2019)

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Article Chemistry, Physical

Freely Shapable and 3D Porous Carbon Nanotube Foam Using Rapid Solvent Evaporation Method for Flexible Thermoelectric Power Generators

Min-Hye Lee et al.

ADVANCED ENERGY MATERIALS (2019)

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Review Chemistry, Multidisciplinary

On-chip micro/nano devices for energy conversion and storage

Xuelei Pan et al.

NANO TODAY (2019)

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Review Green & Sustainable Science & Technology

Strategies for engineering phonon transport in Heusler thermoelectric compounds

Sadeq Hooshmand Zaferani et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2019)

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Review Chemistry, Multidisciplinary

Flexible Electronics: Stretchable Electrodes and Their Future

Siya Huang et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Multidisciplinary

A High Current Density Direct-Current Generator Based on a Moving van der Waals Schottky Diode

Shisheng Lin et al.

ADVANCED MATERIALS (2019)

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Review Chemistry, Physical

Strategies to achieve high performance piezoelectric nanogenerators

Dengwei Hu et al.

NANO ENERGY (2019)

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Article Materials Science, Multidisciplinary

A Wearable All-Fabric Thermoelectric Generator

Linden K. Allison et al.

ADVANCED MATERIALS TECHNOLOGIES (2019)

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Article Chemistry, Multidisciplinary

Perovskite and Conjugated Polymer Wrapped Semiconducting Carbon Nanotube Hybrid Films for High-Performance Transistors and Phototransistors

Huihui Zhu et al.

ACS NANO (2019)

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Review Chemistry, Multidisciplinary

Wearable and Implantable Triboelectric Nanogenerators

Zhuo Liu et al.

ADVANCED FUNCTIONAL MATERIALS (2019)

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Article Chemistry, Physical

Direct current triboelectric cell by sliding an n-type semiconductor on a p-type semiconductor

Ran Xu et al.

NANO ENERGY (2019)

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Article Engineering, Manufacturing

Roll-to-roll printing of spatial wearable thermoelectrics

Zimeng Zhang et al.

MANUFACTURING LETTERS (2019)

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Article Nanoscience & Nanotechnology

Direct-current triboelectricity generation by a sliding Schottky nanocontact on MoS2 multilayers

Jun Liu et al.

NATURE NANOTECHNOLOGY (2018)

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Review Chemistry, Physical

High Performance Thermoelectric Materials: Progress and Their Applications

Lei Yang et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Materials Science, Multidisciplinary

Strain-Induced Rolled Thin Films for Lightweight Tubular Thermoelectric Generators

Devendra Singh et al.

ADVANCED MATERIALS TECHNOLOGIES (2018)

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Article Chemistry, Multidisciplinary

Thin Film Tin Selenide (SnSe) Thermoelectric Generators Exhibiting Ultralow Thermal Conductivity

Matthew R. Burton et al.

ADVANCED MATERIALS (2018)

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Article Energy & Fuels

Wearable thermoelectric generator to harvest body heat for powering a miniaturized accelerometer

Yancheng Wang et al.

APPLIED ENERGY (2018)

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Article Energy & Fuels

Structural design of a flexible thermoelectric power generator for wearable applications

Choong Sun Kim et al.

APPLIED ENERGY (2018)

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Article Chemistry, Physical

Wet-spinning and post-treatment of CNT/PEDOT:PSS composites for use in organic fiber-based thermoelectric generators

Jae-Yeop Kim et al.

CARBON (2018)

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Article Thermodynamics

Characteristics and parametric analysis of a novel flexible ink-based thermoelectric generator for human body sensor

Shaowei Qing et al.

ENERGY CONVERSION AND MANAGEMENT (2018)

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Article Green & Sustainable Science & Technology

Long-term impact of variable generation and demand side flexibility on thermal power generation

Niina Helisto et al.

IET RENEWABLE POWER GENERATION (2018)

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Routes for high-performance thermoelectric materials

Xiaoyuan Zhou et al.

MATERIALS TODAY (2018)

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Review Materials Science, Multidisciplinary

High-performance SnSe thermoelectric materials: Progress and future challenge

Zhi-Gang Chen et al.

PROGRESS IN MATERIALS SCIENCE (2018)

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Article Nanoscience & Nanotechnology

Triboelectric Electromagnetic Hybrid Generator for Harvesting Blue Energy

Huiyun Shao et al.

NANO-MICRO LETTERS (2018)

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Article Chemistry, Physical

Sustained electron tunneling at unbiased metal-insulator-semiconductor triboelectric contacts

Jun Liu et al.

NANO ENERGY (2018)

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Article Chemistry, Physical

A flexible photo-thermoelectric nanogenerator based on MoS2/PU photothermal layer for infrared light harvesting

Minghui He et al.

NANO ENERGY (2018)

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Article Energy & Fuels

Prussian Blue Analogues as Promising Thermal Power Generation Materials

Yuya Fukuzumi et al.

ENERGY TECHNOLOGY (2018)

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Article Nanoscience & Nanotechnology

Triboelectric Electromagnetic Hybrid Generator for Harvesting Blue Energy

Huiyun Shao et al.

NANO-MICRO LETTERS (2018)

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Bionic Single-Electrode Electronic Skin Unit Based on Piezoelectric Nanogenerator

Xiaoxiong Wang et al.

ACS NANO (2018)

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Article Materials Science, Multidisciplinary

Triboelectric-Thermoelectric Hybrid Nanogenerator for Harvesting Energy from Ambient Environments

Ying Wu et al.

ADVANCED MATERIALS TECHNOLOGIES (2018)

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Article Chemistry, Multidisciplinary

Triboelectric Self-Powered Wearable Flexible Patch as 3D Motion Control Interface for Robotic Manipulator

Tao Chen et al.

ACS NANO (2018)

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Article Multidisciplinary Sciences

Large-area and adaptable electrospun silicon-based thermoelectric nanomaterials with high energy conversion efficiencies

Alex Morata et al.

NATURE COMMUNICATIONS (2018)

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Article Chemistry, Physical

Hybrid Photothermal Pyroelectric and Thermogalvanic Generator for Multisituation Low Grade Heat Harvesting

Tianpeng Ding et al.

ADVANCED ENERGY MATERIALS (2018)

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Article Chemistry, Physical

Effect of Heteroatom and Doping on the Thermoelectric Properties of Poly(3-alkylchalcogenophenes)

Shawn A. Gregory et al.

ADVANCED ENERGY MATERIALS (2018)

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Review Chemistry, Physical

Thermoelectricity for IoT - A review

Maciej Haras et al.

NANO ENERGY (2018)

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Review Physics, Applied

A comprehensive review on piezoelectric energy harvesting technology: Materials, mechanisms, and applications

Huicong Liu et al.

APPLIED PHYSICS REVIEWS (2018)

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Review Materials Science, Multidisciplinary

Flexible thermoelectric materials and devices

Yong Du et al.

APPLIED MATERIALS TODAY (2018)

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Article Robotics

Design and Fabrication of Wearable Thermoelectric Generator Device for Heat Harvesting

Yaoguang Shi et al.

IEEE ROBOTICS AND AUTOMATION LETTERS (2018)

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Multilayered flexible nanocomposite for hybrid nanogenerator enabled by conjunction of piezoelectricity and triboelectricity

Huayang Li et al.

NANO RESEARCH (2017)

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Article Chemistry, Physical

A One-Structure-Based Piezo-Tribo-Pyro-Photoelectric Effects Coupled Nanogenerator for Simultaneously Scavenging Mechanical, Thermal, and Solar Energies

Kewei Zhang et al.

ADVANCED ENERGY MATERIALS (2017)

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Review Thermodynamics

Thermoelectric generators: A review of applications

Daniel Champier

ENERGY CONVERSION AND MANAGEMENT (2017)

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Review Green & Sustainable Science & Technology

A review of the state of the science on wearable thermoelectric power generators (TEGs) and their existing challenges

Abu Raihan Mohammad Siddique et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2017)

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Review Green & Sustainable Science & Technology

Advances in hybrid solar photovoltaic and thermoelectric generators

Priscilla Huen et al.

RENEWABLE & SUSTAINABLE ENERGY REVIEWS (2017)

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Article Instruments & Instrumentation

A novel design for a wearable thermoelectric generator based on 3D fabric structure

Qian Wu et al.

SMART MATERIALS AND STRUCTURES (2017)

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Harvesting Thermoelectric Energy from Asphalt Pavements

Utpal Datta et al.

TRANSPORTATION RESEARCH RECORD (2017)

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Article Chemistry, Multidisciplinary

Multifold enhancement of the output power of flexible thermoelectric generators made from cotton fabrics coated with conducting polymer

Y. Du et al.

RSC ADVANCES (2017)

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Article Chemistry, Physical

High-performance flexible thermoelectric generator by control of electronic structure of directly spun carbon nanotube webs with various molecular dopants

Cheng Jin An et al.

JOURNAL OF MATERIALS CHEMISTRY A (2017)

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Article Chemistry, Physical

Wearable solar thermoelectric generator driven by unprecedentedly high temperature difference

Yeon Soo Jung et al.

NANO ENERGY (2017)

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Article Chemistry, Physical

Significantly reduced thermal conductivity and enhanced thermoelectric properties of single- and bi-layer graphene nanomeshes with sub-10 nm neck-width

Jinwoo Oh et al.

NANO ENERGY (2017)

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Article Nanoscience & Nanotechnology

A Wide Band Gap Naphthalene Semiconductor for Thin-Film Transistors

Lijia Yan et al.

ADVANCED ELECTRONIC MATERIALS (2017)

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Article Nanoscience & Nanotechnology

A Flexible PMN-PT Ribbon-Based Piezoelectric-Pyroelectric Hybrid Generator for Human-Activity Energy Harvesting and Monitoring

Yan Chen et al.

ADVANCED ELECTRONIC MATERIALS (2017)

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Review Engineering, Electrical & Electronic

Triboelectric nanogenerators as flexible power sources

Yang Wang et al.

NPJ FLEXIBLE ELECTRONICS (2017)

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Article Energy & Fuels

Energy harvesting from asphalt pavement using thermoelectric technology

Wei Jiang et al.

APPLIED ENERGY (2017)

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Article Chemistry, Multidisciplinary

Woven-Yarn Thermoelectric Textiles

Jae Ah Lee et al.

ADVANCED MATERIALS (2016)

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Article Chemistry, Multidisciplinary

A One-Structure-Based Hybridized Nanogenerator for Scavenging Mechanical and Thermal Energies by Triboelectric-Piezoelectric-Pyroelectric Effects

Shuhua Wang et al.

ADVANCED MATERIALS (2016)

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Article Energy & Fuels

Wearable thermoelectric generators for human body heat harvesting

Melissa Hyland et al.

APPLIED ENERGY (2016)

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Article Physics, Applied

High-performance bio-piezoelectric nanogenerator made with fish scale

Sujoy Kumar Ghosh et al.

APPLIED PHYSICS LETTERS (2016)

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Article Materials Science, Multidisciplinary

Flexible thermoelectric generator with polydimethyl siloxane in thermoelectric material and substrate

Kyung Kuk Jung et al.

CURRENT APPLIED PHYSICS (2016)

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Article Chemistry, Multidisciplinary

Designing thermoelectric generators for self-powered wearable electronics

Francisco Suarez et al.

ENERGY & ENVIRONMENTAL SCIENCE (2016)

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Article Engineering, Electrical & Electronic

Flexible screen printed thermoelectric generator with enhanced processes and materials

Zhuo Cao et al.

SENSORS AND ACTUATORS A-PHYSICAL (2016)

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Article Chemistry, Physical

Hybridized nanogenerator for simultaneously scavenging mechanical and thermal energies by electromagnetic-triboelectric-thermoelectric effects

Xue Wang et al.

NANO ENERGY (2016)

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Article Energy & Fuels

Concentrating solar thermoelectric generators with a peak efficiency of 7.4%

Daniel Kraemer et al.

NATURE ENERGY (2016)

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Article Thermodynamics

Heat shrink formation of a corrugated thin film thermoelectric generator

Tianlei Sun et al.

ENERGY CONVERSION AND MANAGEMENT (2015)

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Article Chemistry, Physical

A hybrid fibers based wearable fabric piezoelectric nanogenerator for energy harvesting application

Min Zhang et al.

NANO ENERGY (2015)

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Article Chemistry, Physical

Impact of the Doping Method on Conductivity and Thermopower in Semiconducting Polythiophenes

Anne M. Glaudell et al.

ADVANCED ENERGY MATERIALS (2015)

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Article Economics

The future of oil: Geology versus technology

Jaromir Benes et al.

INTERNATIONAL JOURNAL OF FORECASTING (2015)

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Article Chemistry, Multidisciplinary

Hemispherically Aggregated BaTiO3 Nanoparticle Composite Thin Film for High-Performance Flexible Piezoelectric Nanogenerator

Sung-Ho Shin et al.

ACS NANO (2014)

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Review Chemistry, Multidisciplinary

Organic Thermoelectric Materials: Emerging Green Energy Materials Converting Heat to Electricity Directly and Efficiently

Qian Zhang et al.

ADVANCED MATERIALS (2014)

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Review Chemistry, Multidisciplinary

Recycling of carbon dioxide to methanol and derived products - closing the loop

Alain Goeppert et al.

CHEMICAL SOCIETY REVIEWS (2014)

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Article Thermodynamics

Simulation and evaluation of a CCHP system with exhaust gas deep-recovery and thermoelectric generator

J. L. Wang et al.

ENERGY CONVERSION AND MANAGEMENT (2014)

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Article Chemistry, Multidisciplinary

Energy harvesting from solar irradiation in cities using the thermoelectric behavior of carbon fiber reinforced cement composites

Jian Wei et al.

RSC ADVANCES (2014)

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Review Optics

Metallic nanostructures for light trapping in energy-harvesting devices

Chuan Fei Guo et al.

LIGHT-SCIENCE & APPLICATIONS (2014)

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Article Chemistry, Physical

Micropower thermoelectric generator from thin Si membranes

A. P. Perez-Marin et al.

NANO ENERGY (2014)

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