4.7 Review

Recent Advances in Functional Fiber-Based Wearable Triboelectric Nanogenerators

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Article Chemistry, Physical

Stackable Direct Current Triboelectric-Electromagnetic Hybrid Nanogenerator for Self-Powered Air Purification and Quality Monitoring

Jie Chen et al.

Summary: In this study, a stackable triboelectric-electromagnetic hybrid nanogenerator is designed to construct a self-powered environmental governance system. The system fully utilizes the high-voltage output of TENG and high-current output of EMG. The hybrid nanogenerator is applied to release negative air ions and continuously power an air quality detector.

ADVANCED ENERGY MATERIALS (2023)

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)

Review Nanoscience & Nanotechnology

Multidiscipline Applications of Triboelectric Nanogenerators for the Intelligent Era of Internet of Things

Xiaole Cao et al.

Summary: In the era of 5G and IoTs, human-computer interaction systems based on TENGs and IoTs technologies demonstrate the feasibility of sustainable and self-powered functional systems. IoTs applications relying on TENGs' harvested mechanical energy have greatly transformed human production and daily life. This review introduces TENG applications in various IoTs scenarios and proposes future research directions. The extensive development and applications of TENG will drive the IoTs into an energy autonomy fashion.

NANO-MICRO LETTERS (2023)

Review Materials Science, Multidisciplinary

Electronic Fibers/Textiles for Health-Monitoring: Fabrication and Application

Zhe Yin et al.

Summary: The development of smart wearables has increased the requirements for comfort, multifunctionality, and aesthetic value of wearable electronics. Traditional wearable electronics lack flexibility, softness, and breathability, making them unsuitable for long-term use. Recently, electronic fibers/textiles with similar morphology to traditional fibers/textiles and electronic functions have attracted attention. This review summarizes the latest advances in the fabrication and applications of electronic fibers/textiles for health-monitoring devices. It covers the fabrication methods, applications in health monitoring, display textiles, and integrated multifunctional textiles, and discusses the challenges and prospects of electronic fibers/textiles in health management, medical care, and human-machine interfaces.

ADVANCED MATERIALS TECHNOLOGIES (2023)

Article Nanoscience & Nanotechnology

Flexible, Breathable, and Self-Powered Patch Assembled of Electrospun Polymer Triboelectric Layers and Polypyrrole-Coated Electrode for Infected Chronic Wound Healing

Qiwen Tang et al.

Summary: A self-powered and intrinsic bactericidal patch based on a triboelectric nanogenerator (TENG) is proposed in this study. The patch is composed of electrospun polymer tribo-layers and a chemical vapor-deposited polypyrrole electrode, which provides excellent flexibility, breathability, and wettability. The patch kills over 96% of bacteria through electrical stimulation and promotes the healing of infected diabetic rat skin wounds within 2 weeks.

ACS APPLIED MATERIALS & INTERFACES (2023)

Review Chemistry, Multidisciplinary

Recent Advances in Triboelectric Nanogenerators: From Technological Progress to Commercial Applications

Dongwhi Choi et al.

Summary: Serious climate changes and energy-related environmental problems are critical issues in the world. Triboelectric nanogenerators (TENGs) have become one of the most promising mechanical energy harvesters, offering a solution to reduce carbon emissions and save the environment. Considerable advancements have been made in theory, materials, devices, systems, circuits, and applications in the TENG field, and it has reached the stage of prototype development and commercialization.

ACS NANO (2023)

Review Chemistry, Multidisciplinary

Triboelectric Nanogenerators-Based Therapeutic Electrical Stimulation on Skin: from Fundamentals to Advanced Applications

Weijiang Wang et al.

Summary: The discovery of the therapeutic roles of electrical stimulation on skin has led to significant research efforts on electrical stimulation suppliers. Among them, triboelectric nanogenerators (TENGs) have emerged as a self-sustainable bioelectronic system capable of generating self-powered and biocompatible electrical stimulation for superior therapeutic effects on skin applications. This article provides a brief review of TENGs-based electrical stimulation on skin, discussing its fundamentals and feasibility in adjusting physiological and pathological processes. It then categorizes and reviews emerging representative skin applications of TENGs-based electrical stimulation, focusing on antibacterial therapy, wound healing, and transdermal drug delivery. Lastly, the challenges and perspectives for further advancing TENGs-based electrical stimulation as a powerful and versatile therapeutic strategy are discussed, emphasizing the opportunities in multidisciplinary research and biomedical applications.

ACS NANO (2023)

Article Chemistry, Multidisciplinary

Nickel Metal-Organic Framework/PVDF Composite Nanofibers based Self-Powered Wireless Sensor for Pulse Monitoring of Underwater Divers via Triboelectrically Generated Maxwell- Displacement Current

Nishat Kumar Das et al.

Summary: With the increasing need for underwater exploration, a self-powered wireless sensor called Single-electrode Triboelectric Nanogenerator (STENG) has been developed to monitor arterial pulse and body movements of divers underwater. The STENG is made up of optimized Ni-MOF/PVDF CNF and electrospun nylon 66 nanofibers, and exhibits waterproof properties. It can generate current to create a polarized field in water for wireless transmission of information. The device has proven to be reliable, retaining its performance in various conditions and potential for real-life pulse monitoring of underwater divers.

ADVANCED FUNCTIONAL MATERIALS (2023)

Article Chemistry, Multidisciplinary

A Liquid Triboelectric Series

Donghyeon Yoo et al.

Summary: The triboelectric series is a widely accepted method for describing the triboelectric effect. However, previous studies have focused on solids and neglected liquids. This study establishes a liquid triboelectric series to understand the liquid-solid contact electrification phenomenon and explore the applications of the liquid triboelectric effect.

ADVANCED MATERIALS (2023)

Article Chemistry, Multidisciplinary

Ultrahigh Performance, Serially Stackable, Breeze Driven Triboelectric Generator via Ambient Air Ionizing Channel

Jin-ho Son et al.

Summary: Currently, the focus is on wind energy harvesting, but existing electromagnetic wind generators struggle to capture various types of wind. Wind-driven triboelectric nanogenerators (TENGs) have been studied as an alternative to harness wind energy at different speeds, but their power output is typically low. In this study, a charge-polarization-based flutter-driven TENG (CPF-TENG) with an ambient air ionizing channel (AAIC) is introduced to overcome this limitation. The CPF-TENG with AAIC generates peak voltage and current outputs of 2000 V and 4 A, respectively, enabling it to be stacked in series for complete wind energy harvesting.

ADVANCED MATERIALS (2023)

Article Nanoscience & Nanotechnology

Bioinspired All-Fibrous Directional Moisture-Wicking Electronic Skins for Biomechanical Energy Harvesting and All-Range Health Sensing

Chuanwei Zhi et al.

Summary: Electronic skins that can monitor small physiological signals and represent the body's state are emerging for medical diagnostics and human-machine interfaces. In this study, a bioinspired directional moisture-wicking electronic skin (DMWES) was designed based on heterogeneous fibrous membranes and a conductive MXene/CNTs electrospraying layer. The DMWES showed excellent pressure sensing performance and triboelectric performance, enabling applications in healthcare sensing and energy harvesting. This work will contribute to the development of breathable electronic skins in AI, human-machine interaction, and soft robotics.

NANO-MICRO LETTERS (2023)

Article Chemistry, Physical

A triboelectric nanogenerator-based tactile sensor array system for monitoring pressure distribution inside prosthetic limb

Kuie-Bin Chang et al.

Summary: This study proposes a self-powered triboelectric nanogenerator (TENG) based flexible tactile sensor array system for real-time monitoring of pressure distribution inside a prosthetic socket. The sensor is made of biocompatible PDMS polymer and PCL nanofiber membranes as triboelectric materials, providing high stability and low cost. Integration of the sensor array within a prosthetic device enables real-time monitoring of pressure distribution during gait simulation.

NANO ENERGY (2023)

Article Chemistry, Physical

Cellulosic triboelectric materials for stable energy harvesting from hot and humid conditions

Cong Gao et al.

Summary: This study presents the development of a novel chitosan/di-aldehyde nanocrystalline cellulose bio-based triboelectric material (CDTM) for efficient energy harvesting under harsh atmospheric conditions. The CDTM material exhibited excellent stability and resistance to environmental disturbances. Furthermore, it also served as a wireless sensing terminal for smart devices, enabling wireless visual sensing and motion state detection.

NANO ENERGY (2023)

Article Chemistry, Physical

Self-powered angle-resolved triboelectric nanogenerator for underwater vibration localization

Jianchao Guo et al.

Summary: A self-powered angle-resolved triboelectric nanogenerator (AR-TENG) is proposed for underwater vibration detecting and locating with simple and energy-effective fashion. The AR-TENG can respond to low-frequency variations with linear electrical outputs and has an angle resolution of 15 degrees, enabling underwater vibration locating.

NANO ENERGY (2023)

Review Energy & Fuels

An Insight into the Wearable Technologies Based on Novel Hybrid Piezoelectric-Triboelectric Nanogenerators

Bhavya Padha et al.

Summary: Hybrid piezoelectric-triboelectric nanogenerators (HPTNGs) are a new energy storage device that combines the benefits of both technologies and have the potential to revolutionize energy storage and reduce solar and renewable costs. They are gaining popularity in the wearable technology market due to their unique characteristics, such as the ability to generate electricity from low voltage and sound waves. HPTNGs have higher performance than single-mode generators, making them ideal for applications in mobile banking, health monitoring, and smart home control.

ENERGY TECHNOLOGY (2023)

Article Chemistry, Multidisciplinary

Ball-Mill-Inspired Durable Triboelectric Nanogenerator for Wind Energy Collecting and Speed Monitoring

Qinghao Qin et al.

Summary: In this paper, a durable triboelectric nanogenerator inspired by a ball mill was designed, which uses metal balls in hollow drums as carriers for charge generation and transfer. The rolling design not only increases mechanical durability and maintenance convenience but also enables wind power collection and wind speed measurement.

NANOMATERIALS (2023)

Article Chemistry, Multidisciplinary

Wearable Triboelectric Visual Sensors for Tactile Perception

Dengjun Lu et al.

Summary: A self-powered visual tactile sensor is proposed, which can provide feedback on the palm-grasp state and strength without an external power supply. This sensor has potential applications in the fields of artificial intelligence, smart protective clothing, and robotics.

ADVANCED MATERIALS (2023)

Article Engineering, Electrical & Electronic

Self-Powered Sterilization System for Wearable Devices Based on Biocompatible Materials and Triboelectric Nanogenerator

Danni Lei et al.

Summary: Wearable electronics are rapidly developing, but long-term wear increases the risk of bacterial infection. Sterilization of wearables has been limited due to the need for energy sources. To address this problem, a self-powered sterilization system was designed using a biocompatible nano/microporous fiber triboelectric nanogenerator as the energy source and an interdigital electrode for better bactericidal performance.

ACS APPLIED ELECTRONIC MATERIALS (2023)

Review Chemistry, Physical

Recent progress on nature-derived biomaterials for eco-friendly triboelectric nanogenerators

Kyo Yong Song et al.

Summary: Eco-friendly triboelectric nanogenerators (eco-TENGs) are considered as a promising renewable energy technology for self-powered electronics. This article reviews recent advancements in using nature-derived biomaterials as tribo-positive or tribo-negative materials for eco-TENGs, and discusses their energy-harvesting performances, whether refined, hybridized, post-treated, or untreated. The diversity and safety of biomaterials, along with the scalability and cost-effectiveness of their fabrication methods, make them highly promising as industrially viable eco-materials.

ECOMAT (2023)

Article Materials Science, Multidisciplinary

Fire/Acid/Alkali-Resistant Aramid/Carbon Nanofiber Triboelectric Nanogenerator for Self-Powered Biomotion and Risk Perception in Fire and Chemical Environments

Lingling Feng et al.

Summary: This study demonstrates a simple method to fabricate a metal-free fire/acid/alkali-resistant fiber and carbon nanofiber composite triboelectric nanogenerator (PMIA/CNF-TENG). The PMIA/CNF-TENG exhibits textile construction advantages such as flexibility, waterproofing, and moisture permeability. It also shows unique functions including ultrahigh fire/temperature resistance, strong acid and alkali protection, real-time human signal monitoring, and fire-sensing capability.

ADVANCED FIBER MATERIALS (2023)

Review Chemistry, Physical

Development and applications of electrospun nanofiber-based triboelectric nanogenerators

Xiaohan Ge et al.

Summary: Since 2012, the triboelectric nanogenerator (TENG) has become an important technology for renewable energy collection and utilization in wearable electronic devices, self-powered systems, and human-computer interfaces. Electrospun fibers, with their uniformity, porosity, and surface area, provide a new option for the triboelectric layer of TENG, improving its effectiveness and wearability. This review focuses on the structures and mechanisms of TENGs, the preparation and factors influencing electrospun fibers, the advantages of using them in TENGs, and their applications in various fields. The use of electrospun nanofibers mixed with 2D nanomaterials to enhance the performance of TENGs is also discussed.

NANO ENERGY (2023)

Article Chemistry, Physical

A biocompatible and antibacterial all-textile structured triboelectric nanogenerator for self-powered tactile sensing

Chuanwei Zhi et al.

Summary: In this study, a biocompatible and antibacterial all-textile structured triboelectric nanogenerator was designed for self-powered tactile sensing. The MXene doped PVDF nanofibers and the antibacterial Ag nanoparticles modified nylon 6,6 nanofibers were used as the triboelectric materials. The research evaluated the effect of MXenes in PVDF nanofibers on their interaction, surface potential, breathability, tensile strength, biocompatibility, and triboelectric performance. The results showed a high output voltage and current, and demonstrated the potential application of self-powered tactile sensors in smart wearable devices.

NANO ENERGY (2023)

Article Chemistry, Physical

3D-printed stretchable hybrid piezoelectric-triboelectric nanogenerator for smart tire: Onboard real-time tread wear monitoring system

Kamal Kumar Meena et al.

Summary: An affordable and promising device called TENG has attracted attention for harvesting energy from mechanical forces. However, its output power is often insufficient for long-term use. In this study, a new fabrication method using 3D printing and transfer printing was proposed to create a hybrid BTO/PDMS film with adjustable piezoceramic layer thickness. The resulting hybrid sensor showed higher charge separation and better impedance matching, leading to improved power density and reproducibility. It also demonstrated high precision in tire wear monitoring and force/pressure sensing.

NANO ENERGY (2023)

Review Chemistry, Physical

Principle and recent progress of triboelectric pressure sensors for wearable applications

Xiaoyu Xiong et al.

Summary: Nowadays, flexible sensors, especially flexible pressure sensors, are widely used in wearable electronics to monitor human motion and health. Triboelectric pressure sensors (TPSs) provide a powerful approach for wearable healthcare due to their lightweight, easy manufacture, high sensitivity, and self-powered properties. This review introduces the sensing mechanisms, structure modes, electrode materials, fabrication techniques, surface microstructure strategies, applications, and future research directions of TPSs, providing a comprehensive review and promising direction for self-powered wearable devices in human motion monitoring, health monitoring, and human-machine interaction.

NANO ENERGY (2023)

Review Materials Science, Multidisciplinary

Advanced Fiber Materials for Wearable Electronics

Chuang Zhu et al.

Summary: Fiber materials in wearable electronics offer significant advantages in terms of flexibility, stretchability, and breathability, making them pioneers in the new generation of soft wearables. Extensive research and development have been conducted in the areas of material preparation, fabrication technologies, and diverse wearable applications for fiber-shaped wearable electronics.

ADVANCED FIBER MATERIALS (2023)

Article Chemistry, Multidisciplinary

An Ultralight Self-Powered Fire Alarm e-Textile Based on Conductive Aerogel Fiber with Repeatable Temperature Monitoring Performance Used in Firefighting Clothing

Hualing He et al.

Summary: This study developed an ultralight self-powered fire alarm electronic textile based on conductive aerogel fiber, which enables temperature monitoring and energy harvesting in firefighting clothing. It also provides fire warning and self-rescue location functions.

ACS NANO (2022)

Article Materials Science, Multidisciplinary

On the expanded Maxwell's equations for moving charged media system-General theory, mathematical solutions and applications in TENG

Zhong Lin Wang

Summary: This study derived the expanded Maxwell's equations for moving media and time-dependent configurations from the integral form of the equations. These expanded equations are the most comprehensive governing equations including both electromagnetic interaction and power generation. The study also developed a first principle theory for triboelectric nanogenerators based on these expanded equations. Additionally, general approaches for solving the expanded Maxwell's equations and calculating the displacement current for the output power of the nanogenerators were presented. The impact of this theory extends to electromagnetic wave generation and interaction with moving objects such as trains, cars, jets, missiles, comets, and galaxy stars if observed from earth.

MATERIALS TODAY (2022)

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)

Article Chemistry, Analytical

Applications of Wireless Sensor Networks and Internet of Things Frameworks in the Industry Revolution 4.0: A Systematic Literature Review

Mamoona Majid et al.

Summary: This article introduces the fourth industrial revolution (Industry 4.0) and its applications in the fields of Internet of Things (IoT) and wireless sensor networks (WSN), discusses the various issues and future directions in this area, and provides a systematic literature review of relevant research in recent years.

SENSORS (2022)

Article Chemistry, Physical

Industrial production of bionic scales knitting fabric-based triboelectric nanogenerator for outdoor rescue and human protection

Li Niu et al.

Summary: By combining biomimicry technology with knitting structure, a new type of wearable textile material has been developed, capable of harvesting energy and biomechanical energy when used outdoors, and designed a multifunctional intelligent personal outdoor rescue system.

NANO ENERGY (2022)

Review Chemistry, Multidisciplinary

Advanced Implantable Biomedical Devices Enabled by Triboelectric Nanogenerators

Chan Wang et al.

Summary: This review provides an overview of the development of IMDs based on triboelectric nanogenerators, including self-powered biosensors, in vivo energy harvesting devices, and direct electrical stimulation therapy devices. Future challenges and opportunities are discussed to enhance output performance, develop advanced triboelectric nanogenerators with multifunctional materials, and self-driven close-looped diagnosis and treatment systems.

NANOMATERIALS (2022)

Article Materials Science, Multidisciplinary

Flexible and Extendable Honeycomb-Shaped Triboelectric Nanogenerator for Effective Human Motion Energy Harvesting and Biomechanical Sensing

Yun Yang et al.

Summary: The honeycomb-shaped triboelectric nanogenerator (H-TENG) proposed in this study is designed with high spatial density and extendibility for effective human kinetic energy harvesting. The H-TENG demonstrates excellent electricity generation performance in output experiments and can power various electronic devices as well as serve as a biomechanical sensor.

ADVANCED MATERIALS TECHNOLOGIES (2022)

Article Multidisciplinary Sciences

Touch IoT enabled by wireless self-sensing and haptic-reproducing electronic skin

Dengfeng Li et al.

Summary: This study reports a wireless self-sensing and haptic-reproducing electronic skin that enables noncontact touch communication and can be connected with other smart devices for a touch internet of things.

SCIENCE ADVANCES (2022)

Article Multidisciplinary Sciences

Bioinspired asymmetric amphiphilic surface for triboelectric enhanced efficient water harvesting

Song Zhang et al.

Summary: The study developed a bioinspired asymmetric amphiphilic surface that incorporates self-driven triboelectric adsorption for obtaining clean water from the atmosphere. By utilizing the spontaneous interfacial triboelectric charge and the droplet triboelectric nanogenerator, mechanical energy is converted into electrical energy, achieving a high efficiency in water collection.

NATURE COMMUNICATIONS (2022)

Article Chemistry, Physical

All-Recyclable Triboelectric Nanogenerator for Sustainable Ocean Monitoring Systems

Junseong Ahn et al.

Summary: This study develops an all-recyclable TENG (AR-TENG) device that converts wasted mechanical energy into electrical energy, demonstrating excellent output power density and superior mechanochemical stability. Its practical utility is demonstrated through the powering of ocean monitoring systems and life jackets, while its recyclability and reusability are validated through re-fabrication and successful fabrication of other devices. This work is significant for efficient harvesting of renewable energy while reducing e-waste generation, contributing to the mitigation of global environmental problems such as global warming and ozone depletion.

ADVANCED ENERGY MATERIALS (2022)

Article Chemistry, Physical

Broadband vibration energy powered autonomous wireless frequency monitoring system based on triboelectric nanogenerators

Xiaohan Zhang et al.

Summary: Vibration frequency monitoring is crucial for safety inspection and fault detection of mechanical equipment. This paper presents a broadband vibration energy powered autonomous wireless frequency monitoring system based on triboelectric nanogenerators, which combines the characteristics of energy harvesting and sensing to achieve self-powered and autonomous vibration monitoring.

NANO ENERGY (2022)

Review Chemistry, Physical

Self-powered environmental monitoring via a triboelectric nanogenerator

Austin Chang et al.

Summary: This article reviews the recent progress of triboelectric nanogenerators in environmental monitoring, with a focus on their applications in air, soil, and water chemical sensing. The technology is of great significance in self-powered environmental monitoring.

NANO ENERGY (2022)

Review Chemistry, Multidisciplinary

Manufacturing Technics for Fabric/Fiber-Based Triboelectric Nanogenerators: From Yarns to Micro-Nanofibers

Chonghui Fan et al.

Summary: This review introduces the application of triboelectric nanogenerator (TENG) in the field of fabric and fiber materials. Fabric and fiber materials are ideal choices for TENG materials due to their flexibility, low cost, and comfort. By studying the preparation methods and applications of fabric and fiber structures, their advantages in mechanical energy harvesting and wearability can be simultaneously leveraged.

NANOMATERIALS (2022)

Article Chemistry, Physical

Toward effective irregular wind energy harvesting: Self-adaptive mechanical design strategy of triboelectric-electromagnetic hybrid wind energy harvester for wireless environmental monitoring and green hydrogen production

Donghan Lee et al.

Summary: In this study, a self-adaptive triboelectric-electromagnetic hybrid wind energy harvester is proposed, which efficiently harvests wind energy by adopting a rational mechanical analysis-based design strategy. The design can operate effectively regardless of wind speed and achieves an energy conversion efficiency approximately 60 times higher than fixed mechanical design in specific wind environments.

NANO ENERGY (2022)

Article Engineering, Electrical & Electronic

An Intelligent IoT Based Traffic Light Management System: Deep Reinforcement Learning

Shima Damadam et al.

Summary: This paper focuses on the real-world scenario of Shiraz City and proposes a more efficient method for controlling traffic lights using IoT and AI technologies. By utilizing distributed Multi-Agent Reinforcement Learning and real-time traffic data, an intelligent traffic signal control system is provided to improve overall traffic congestion. Simulation results show that this approach outperforms traditional fixed-time traffic signal control scheduling in terms of average vehicle queue lengths and waiting times at intersections.

SMART CITIES (2022)

Review Materials Science, Multidisciplinary

Electrospun Fibers Control Drug Delivery for Tissue Regeneration and Cancer Therapy

Longfei Li et al.

Summary: This article presents the development of versatile strategies to construct electrospun fiber-based drug delivery systems for tissue regeneration and cancer therapy. It discusses various methods for controlling drug delivery using electrospun fibers, focusing on the design of stimuli-responsive drug delivery systems. The article summarizes recent progress in controlling drug delivery with electrospun fiber scaffolds for tissue engineering and cancer therapy, and provides insights into future development directions and challenges.

ADVANCED FIBER MATERIALS (2022)

Article Chemistry, Multidisciplinary

Elastomeric microwell-based triboelectric nanogenerators by in situ simultaneous transfer-printing

Injamamul Arief et al.

Summary: Self-powered tactile module-based electronic skins incorporating triboelectric nanogenerator (TENG) are a valuable alternative for sustainable energy harvesting and smart monitoring devices. These modules demonstrate ultra-stretchability and detection sensitivity to mimic human skin. The experiment results show impressive power density, voltage, and current output, as well as high durability and stability. Furthermore, a tactile sensor based on the triboelectric nanogenerator was successfully constructed, demonstrating remarkable motion and force sensitivity.

MATERIALS HORIZONS (2022)

Article Chemistry, Physical

Accelerated wound healing with an ionic patch assisted by a triboelectric nanogenerator

Seol-Ha Jeong et al.

Summary: The wearable ionic triboelectric nanogenerator (iTENG) patch has been introduced as a potential therapy to accelerate wound healing by providing electric potential to impaired tissues. Studies have shown that iTENG patches can promote cell migration, proliferation, and secretion of angiogenic growth factors in both normal human dermal fibroblasts and dermal fibroblasts from diabetes mellitus patients. Additionally, rapid wound closure has been validated in in vivo animal models through electrical stimulation using iTENG patches.

NANO ENERGY (2021)

Article Nanoscience & Nanotechnology

Electrospun PVDF-TrFE/MXene Nanofiber Mat-Based Triboelectric Nanogenerator for Smart Home Appliances

S. M. Sohel Rana et al.

Summary: Understanding the microcapacitor formation is crucial in improving the output performance of triboelectric nanogenerators (TENG), with the EN-TENG using PVDF-TrFE/MXene nanocomposite material showing significant enhancement in power density. This technology successfully powered electronic devices and was utilized in smart home applications.

ACS APPLIED MATERIALS & INTERFACES (2021)

Article Biophysics

Advances in triboelectric nanogenerators for biomedical sensing

Trinny Tat et al.

Summary: Biomedical sensors have played an essential role in healthcare outcomes over the past 30 years, but limited power source access and user wearability have hindered their active role in daily life. Triboelectric nanogenerators (TENGs) have shown exceptional capabilities in providing self-powered and wear-optimized biomedical sensors, paving the way for integration into the developing 5G/Internet-of-Things ecosystem. This new paradigm of TENG-based biomedical sensors aims to provide ubiquitous, real-time biomedical sensing for everyone.

BIOSENSORS & BIOELECTRONICS (2021)

Article Engineering, Environmental

A humidity-resistant, stretchable and wearable textile-based triboelectric nanogenerator for mechanical energy harvesting and multifunctional self-powered haptic sensing

Jiaxin Wang et al.

Summary: A humidity-resistant and stretchable single-electrode t-TENG (PFL@WFCF-TENG) has been designed with high output performance and strong humidity resistance, making it suitable for applications in intelligent alarming, haptic sensing, and energy harvesting.

CHEMICAL ENGINEERING JOURNAL (2021)

Review Multidisciplinary Sciences

Wearable triboelectric sensors for biomedical monitoring and human-machine interface

Xianjie Pu et al.

Summary: The growing advocacy of healthy and quality life has led to the emergence of wearable electronics. The triboelectric sensor (TS) has become a key technology in this field, capable of monitoring vital signs and movements of the human body. Advancements in biomedical monitoring over the past 5 years have focused on pulse, respiration, and pressure monitoring, with potential for novel human-machine interfaces (HMIs). Future trends in biomedical monitoring and HMIs based on TSs will continue to be explored.

ISCIENCE (2021)

Article Nanoscience & Nanotechnology

UV-Protective, Self-Cleaning, and Antibacterial Nanofiber-Based Triboelectric Nanogenerators for Self-Powered Human Motion Monitoring

Yang Jiang et al.

Summary: This study reports a UV-protective, self-cleaning, antibacterial, and self-powered nanofiber-based TENG, demonstrating excellent performance and potential applications in self-powered pedometers.

ACS APPLIED MATERIALS & INTERFACES (2021)

Review Biotechnology & Applied Microbiology

Textile Triboelectric Nanogenerators for Wearable Pulse Wave Monitoring

Guorui Chen et al.

Summary: Textile triboelectric nanogenerators (TENGs) are emerging as a compelling biotechnology for wearable pulse wave monitoring due to their high sensitivity, rapid response time, wearability, and low cost. Research discusses sensing mechanisms for pulse-to-electricity conversion, analytical models for calculating cardiovascular parameters, and application scenarios for textile TENGs. Challenges that limit the wider application of this technology are identified, along with suggestions for future research directions in the fields of wearable pulse wave monitoring and cardiovascular disease diagnosis.

TRENDS IN BIOTECHNOLOGY (2021)

Article Chemistry, Physical

High-performance triboelectric nanogenerator based on electrospun PVDF-graphene nanosheet composite nanofibers for energy harvesting

Lin Shi et al.

Summary: This study proposes an effective strategy to construct high-performance TENGs by incorporating graphene nanosheets into polyvinylidene fluoride (PVDF) using electrospinning technology. This approach significantly improves the output performance of TENGs and promotes their widespread application.

NANO ENERGY (2021)

Article Chemistry, Physical

High-performance triboelectric nanogenerator based on MXene functionalized polyvinylidene fluoride composite nanofibers

Trilochan Bhatta et al.

Summary: In this study, electrospun MXene (Ti3C2Tx) functionalized Polyvinylidene fluoride (PVDF) composite nanofiber is proposed as a promising negative triboelectric layer for boosting triboelectric energy harvesting performance. By blending Ti3C2Tx nanosheets into the PVDF matrix, the dielectric constant and surface charge density of nanofiber are significantly enhanced, leading to improved triboelectric performance. The fabricated Triboelectric nanogenerator (TENG) based on PVDF/MXene composite (PMC) nanofiber demonstrates higher power output and stability compared to pristine PVDF nanofiber, and can be used for energy harvesting and self-powered sensors.

NANO ENERGY (2021)

Article Chemistry, Physical

Hybrid tribo-thermoelectric generator for effectively harvesting thermal energy activated by the shape memory alloy

Dongwoo Lee et al.

Summary: A thermally-driven Shape Memory Alloy (SMA) wire-based hybrid generator is proposed to convert wasted heat energy into reusable electrical energy efficiently. By utilizing the unique properties of SMAs, this generator can effectively harvest thermal energy and generate electricity with high efficiency, showing promise for applications in commercial vehicles and the Internet of Things (IoT) field.

NANO ENERGY (2021)

Article Chemistry, Multidisciplinary

Acid and Alkali-Resistant Textile Triboelectric Nanogenerator as a Smart Protective Suit for Liquid Energy Harvesting and Self-Powered Monitoring in High-Risk Environments

Liyun Ma et al.

Summary: The study presents a smart anti-chemical protective suit that can protect the body from chemical harm and features a real-time monitoring system to assist individuals working in high-risk environments.

ADVANCED FUNCTIONAL MATERIALS (2021)

Review Chemistry, Multidisciplinary

Self-Powered Respiration Monitoring Enabled By a Triboelectric Nanogenerator

Yuanjie Su et al.

Summary: TENG-based self-powered respiration monitoring is widely adopted due to its features of biocompatibility, comfort, low-cost and high sensitivity, enabling precise and continuous monitoring of physiological respiration behaviors and exhaled chemical regents for personalized health care.

ADVANCED MATERIALS (2021)

Article Materials Science, Multidisciplinary

Smart textile triboelectric nanogenerators: Current status and perspectives

Kai Dong et al.

Summary: Textile triboelectric nanogenerator (TENG) is an intelligent textile technology that integrates traditional textile materials with advanced science, providing autonomous energy harvesting and active self-powered sensing while maintaining wearability. In the next decade, textile TENGs are expected to make significant advances in the field of human-oriented on-body electronics and artificial intelligence.

MRS BULLETIN (2021)

Article Chemistry, Analytical

An IoT-Based Smart Home Automation System

Cristina Stolojescu-Crisan et al.

Summary: The paper introduces a system called qToggle, which achieves multiple home automations by leveraging a flexible and powerful API. The system mainly uses devices with network connections as sensors and actuators, which can be controlled through a smartphone application.

SENSORS (2021)

Review Engineering, Biomedical

Triboelectric Nanogenerators for Self-Powered Wound Healing

Xiao Xiao et al.

Summary: Triboelectric nanogenerators (TENGs) have emerged as a promising technology for wound healing, offering a wide range of benefits such as choice of biocompatible materials, simple fabrication, high output power, and low cost. While challenges remain, TENGs are proving to be a valuable platform for human-centric therapeutics in the era of Internet of Things.

ADVANCED HEALTHCARE MATERIALS (2021)

Article Chemistry, Multidisciplinary

Toward Enhanced Humidity Stability of Triboelectric Mechanical Sensors via Atomic Layer Deposition

Wook Kim et al.

Summary: This study demonstrated a novel design approach to enhance the humidity resistance of triboelectric mechanical sensors using ALD-deposited TiOx on PTFE film. The TiOx layer showed three times greater humidity stability compared to pristine PTFE film, and the passivation mechanism was proposed to be related to the oxygen-deficient sites in the TiOx layer. This research could provide a new way to design stable triboelectric mechanical sensors in highly humid environments.

NANOMATERIALS (2021)

Article Chemistry, Physical

Designable Skin-like Triboelectric Nanogenerators Using Layer-by-Layer Self-Assembled Polymeric Nanocomposites

Habtamu Gebeyehu Menge et al.

Summary: A high-performance triboelectric film was developed using an ultra-thin, stretchable, and transparent hydrogen-bonded poly(ethylene oxide) and poly(acrylic acid) bilayer through a layer-by-layer method. The film exhibited remarkable output performance and can be designed, folded, and sustainably applied to triboelectric nanogenerators (TENGs).

ACS ENERGY LETTERS (2021)

Review Multidisciplinary Sciences

Electronic fibers and textiles: Recent progress and perspective

Yong Zhang et al.

Summary: Wearable electronics, especially electronic fibers and textiles, are expected to play important roles in remote health monitoring, disease diagnosis/treatment, and human-machine interface. Recent advances in functional materials and fabrication strategies have expanded the applications of fiber-shaped electronic devices. Future development lies in addressing existing challenges and advancing the integration of electronic fibers and textiles.

ISCIENCE (2021)

Review Chemistry, Multidisciplinary

Environmental impacts, pollution sources and pathways of spent lithium-ion batteries

Wojciech Mrozik et al.

Summary: The increasing demand for LIBs leads to a surge in spent batteries, requiring proper management. With no universal standards for disposal, countries use different practices, resulting in environmental impacts and threats.

ENERGY & ENVIRONMENTAL SCIENCE (2021)

Review Materials Science, Multidisciplinary

Recent Progress of Functional Fiber and Textile Triboelectric Nanogenerators: Towards Electricity Power Generation and Intelligent Sensing

Wei Wang et al.

Summary: This review comprehensively introduces the recent progress of smart fibers and textiles with a highlight on triboelectric nanogenerators, including the general materials and structures, various fiber and textile devices for energy harvesting and self-powered smart sensing systems. The advances of f/t-TENGs with multifunctionality and large-scale textile processing techniques are summarized as well. Finally, the challenges and perspectives of f/t-TENGs for future improvement, large-scale production, and emerging applications are thoroughly discussed.

ADVANCED FIBER MATERIALS (2021)

Article Materials Science, Multidisciplinary

The coupled effects of an electron blocking layer beneath tribomaterials for boosted triboelectric nanogenerators

Hee Jae Hwang et al.

Summary: This study demonstrates the possibility of boosting output performance of triboelectric nanogenerators by embedding an electron blocking layer at the interface between electrode polymers, leading to significant performance improvements. The application of TiO(x) as an EBL showed promising results in charge transfer levels and achieved a considerable increase in output performance. The strategy of embedding ETL in both positively and negatively charged materials presents a potential avenue for improving TENG output performance.

FUNCTIONAL COMPOSITES AND STRUCTURES (2021)

Review Chemistry, Physical

Textile triboelectric nanogenerators for self-powered biomonitoring

John Lama et al.

Summary: Textile-based TENGs (tTENGs) integrate biomonitoring technology offering a cost-effective, breathable, and comfortable option for daily wear, widely applied in areas such as cardiovascular, respiratory, motion, and sleep monitoring, with a significant impact on personalized healthcare.

JOURNAL OF MATERIALS CHEMISTRY A (2021)

Review Materials Science, Multidisciplinary

Hybrid Energy-Harvesting Systems Based on Triboelectric Nanogenerators

Yaokun Pang et al.

Summary: Hybrid energy-harvesting systems combining various energy generation technologies show great potential for future energy development, with TENG playing an important role in applications ranging from self-powered sensing to blue energy harvesting. Comprehensive reviews and further advancements in TENG-based hybrid systems are needed to address major challenges and unlock new opportunities in the field.

MATTER (2021)

Article Green & Sustainable Science & Technology

An environmentally friendly discharge technology to pretreat spent lithium-ion batteries

Lin Peng Yao et al.

JOURNAL OF CLEANER PRODUCTION (2020)

Review Chemistry, Multidisciplinary

Recent Advances in Self-Powered Tribo-/Piezoelectric Energy Harvesters: All-In-One Package for Future Smart Technologies

Sumanta Kumar Karan et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Article Chemistry, Multidisciplinary

Enhancement of Triboelectric Charge Density by Chemical Functionalization

Yanhua Liu et al.

ADVANCED FUNCTIONAL MATERIALS (2020)

Review Chemistry, Multidisciplinary

A Comprehensive Review of the Advancement in Recycling the Anode and Electrolyte from Spent Lithium Ion Batteries

Faiza Arshad et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2020)

Article Chemistry, Physical

Wearable triboelectric nanogenerators for biomechanical energy harvesting

Yongjiu Zou et al.

NANO ENERGY (2020)

Review Biotechnology & Applied Microbiology

Wearable biosensors for healthcare monitoring

Jayoung Kim et al.

NATURE BIOTECHNOLOGY (2019)

Article Multidisciplinary Sciences

A bionic stretchable nanogenerator for underwater sensing and energy harvesting

Yang Zou et al.

NATURE COMMUNICATIONS (2019)

Review Multidisciplinary Sciences

Recent progress of nanogenerators acting as biomedical sensors in vivo

Jinyan Sun et al.

SCIENCE BULLETIN (2019)

Article Computer Science, Artificial Intelligence

A novel approach for IoT based wearable health monitoring and messaging system

Munish Manas et al.

JOURNAL OF AMBIENT INTELLIGENCE AND HUMANIZED COMPUTING (2019)

Article Chemistry, Multidisciplinary

Hybrid Energy Harvesters: Toward Sustainable Energy Harvesting

Hanjun Ryu et al.

ADVANCED MATERIALS (2019)

Review Materials Science, Multidisciplinary

Advanced Functional Fiber and Smart Textile

Qiuwei Shi et al.

ADVANCED FIBER MATERIALS (2019)

Article Materials Science, Multidisciplinary

Development of a highly transparent and flexible touch sensor based on triboelectric effect

Yoonsang Ra et al.

FUNCTIONAL COMPOSITES AND STRUCTURES (2019)

Review Chemistry, Multidisciplinary

A Critical Review and Analysis on the Recycling of Spent Lithium-Ion Batteries

Weiguang Lv et al.

ACS SUSTAINABLE CHEMISTRY & ENGINEERING (2018)

Article Chemistry, Multidisciplinary

A hybrid energy cell for self-powered water splitting

Ya Yang et al.

ENERGY & ENVIRONMENTAL SCIENCE (2013)

Article Chemistry, Multidisciplinary

Theoretical study of contact-mode triboelectric nanogenerators as an effective power source

Simiao Niu et al.

ENERGY & ENVIRONMENTAL SCIENCE (2013)

Article Chemistry, Physical

Flexible triboelectric generator!

Feng-Ru Fan et al.

NANO ENERGY (2012)

Article Multidisciplinary Sciences

Piezoelectric nanogenerators based on zinc oxide nanowire arrays

ZL Wang et al.

SCIENCE (2006)