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Article
Nanoscience & Nanotechnology
Shi Zeng et al.
Summary: This study synthesized unique core-shell structured Ga-PbZrxTi1-xO3 (PZT)@GaOx nanorods, which were used as fillers in a matrix to obtain highly efficient PENGs. The decoration of gallium nanoparticles amplified the local electric field and facilitated the increment of polar beta-phase fraction in P(VDF-TrFE), resulting in improved performance. The interfacial interactions between GaOx and P(VDF-TrFE) also contributed to the enhancement of PENG performance.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Xinyuan Li et al.
Summary: A constant-voltage TENG based on a phase-shift design is introduced to enhance the energy output, especially under low-frequency input, and the dynamic process of charge transfer is revealed, which is crucial for improving the energy-output efficiency of a TENG.
ENERGY & ENVIRONMENTAL SCIENCE
(2022)
Article
Chemistry, Physical
Yu Cao et al.
Summary: A self-powered hybrid coder (SHC) based on triboelectric nanogenerator (TENG) is reported, which can encode two action parameters of touch and press and serve as a smart interface for human-machine interaction. The SHC has multiple working modes and high structural adaptability, providing a potential solution for multi-parameter sensing and miniaturizing traditional electronic devices.
Article
Nanoscience & Nanotechnology
Haowei Lu et al.
Summary: This article presents the design and performance optimization of a flexible piezoelectric nanogenerator (PENG). The improved PENG shows significantly enhanced output power due to the innovative structure design and material modification. PENG-based fibers can harvest various mechanical energies to power electronic devices.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Chemistry, Multidisciplinary
Puchuan Tan et al.
Summary: In this study, a gesture recognition wristband that allows for full keyboard and multicommand input is developed. The wristband is convenient to wear, low in cost, and does not interfere with other hand movements. With the use of physiological anatomy, active sensor, and machine learning technology, the wristband achieves a high accuracy rate in recognizing 26 letters.
ADVANCED MATERIALS
(2022)
Article
Multidisciplinary Sciences
Chaojie Chen et al.
Summary: A simple and effective method is proposed to quantitatively identify and extract the piezoelectric charge from hybrid signals, elucidating the true performance of piezoelectric devices.
NATURE COMMUNICATIONS
(2022)
Article
Chemistry, Multidisciplinary
Asokan Poorani Sathya Prasanna et al.
Summary: Green energy is crucial for reducing global pollution and achieving sustainable development goals. This study explores the incorporation of edible materials into the fabrication of TENG devices, showcasing their potential for reducing pollution and generating power. The research focuses on the use of polysaccharides and biocompatible polymers to create a flexible film, which is tested for biodegradability and electrical response. The study demonstrates the potential of the edible material-incorporated TENG device for powering electronic components and applications in healthcare and rehabilitation.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Article
Chemistry, Multidisciplinary
Minggang Yao et al.
Summary: The development of a flexible wearable piezoelectric power device using polymers and inorganic piezoelectric ceramics has led to the creation of a high-performance piezoelectric nanogenerator. This nanogenerator efficiently harvests biomechanical energy and exhibits stable output voltage and current, showing great potential for various applications.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2022)
Review
Nanoscience & Nanotechnology
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)
Article
Chemistry, Physical
Hong-Xiang Zou et al.
Summary: This paper proposes a self-regulation strategy for a triboelectric nanogenerator (TENG-SS) to achieve a self-powered wind-speed sensor. By rationally designing the centrifugal and nonlinear magnetic forces, the separation and contact degrees of the functional materials of TENG can be automatically adjusted for different wind speeds. Experimental results show that the proposed TENG-SS exhibits better performance and robustness in a natural wind environment.
Article
Chemistry, Multidisciplinary
Nedunchelien Gurusamy et al.
Summary: This research presents a design of a small electromagnetic generator that utilizes biomechanical motion to generate power for charging portable devices. The generator takes advantage of the knee angle transition during walking to produce a higher output power.
APPLIED SCIENCES-BASEL
(2022)
Article
Multidisciplinary Sciences
Xuecheng Qu et al.
Summary: This research developed a smart finger that is able to accurately identify material type and roughness through the integration of triboelectric sensing and machine learning.
Article
Energy & Fuels
Minghui Ge et al.
Summary: This study investigates the effects of heat source temperature, flow, and module number on the thermoelectric performance of a thermoelectric generation system. The results show that the output power increases with the number of modules under high-flow conditions. The voltage uniformity coefficient can accurately indicate the voltage distribution uniformity. This study provides guidance for the design of high-efficiency thermoelectric generators.
Article
Energy & Fuels
Joao V. Vidal et al.
Summary: This study demonstrates an instrumented self-adaptive levitation generator concept, utilizing an accelerometer, transmission gate switches, and a processing system for coil switching. By periodically turning off coils not contributing to the generated electromotive forces for certain frequencies and amplitudes of input excitations, power gains up to 26% were achieved.
Article
Energy & Fuels
Mingkang Zhu et al.
Summary: This paper presents the design of a double-blade structured triboelectric-electromagnetic hybrid generator (DB-TEHG) for efficient harvesting of low-speed wind energy. The blade parameters are optimized using computational fluid dynamics, and the device is able to start generating electricity at a wind speed as low as 2 m/s. The demonstration results show that the DB-TEHG can convert wind energy into electricity with an efficiency of 20.88%.
Article
Chemistry, Physical
Haitao Li et al.
Summary: Pyroelectric technology can convert waste heat into electricity. We have developed an efficient sunlight-triggered pyroelectric nanogenerator by combining Au@rGO-PEI and PVDF layers, achieving high power output and integration with wind energy for concurrent electricity harvesting.
Article
Chemistry, Physical
Yue Sun et al.
Summary: This article reports a waterproof and humidity-resistant triboelectric nanogenerator (TENG) composed of a three-dimensional polydimethylsiloxane (PDMS) film and polyacrylonitrile (PAN) nanofiber/zinc oxide nanorods (ZnO NRs) composite membrane. The TENG exhibits excellent electrical output performance even in high-humidity environments, making it highly promising for various applications.
Article
Chemistry, Physical
Hongyu Li et al.
Summary: Pyroelectric nanogenerators can be enhanced by utilizing the ferroelectric phase transition, leading to increased output current, power, and energy conversion efficiency near Curie temperature. The temperature-induced current and charge density enhancement can also be applied for temperature and temperature change detection.
Article
Chemistry, Physical
Yansong Gai et al.
Summary: This article presents the design of a wireless self-powered wearable sweat analysis system that converts mechanical energy into electricity for power supply. It enables real-time selective monitoring of biomarkers in sweat and wireless transmission of data.
Article
Thermodynamics
Zhongjie Li et al.
Summary: This study investigated the influence of different circularly arranged magnets on the output performance of an electromagnetic generator, with the results showing that the alternating magnet arrangement performed the best in terms of power output and charging performance under low-frequency conditions.
Article
Multidisciplinary Sciences
Yang Zou et al.
Summary: Inspired by the structure of shark gill cleft, a stretchable, multichannel respiratory sensor capable of accurately monitoring the breathing rate and depth of the human body is reported. With good stretchability, accuracy, and long-term stability, this sensor shows promising potential for future applications in self-powered smart wearables for mobile medical diagnostic analysis.
FUNDAMENTAL RESEARCH
(2022)
Article
Nanoscience & Nanotechnology
Shi Zeng et al.
Summary: The study demonstrated the synthesis of core-shell structured Ga-PbZrxTi1-xO3 @ GaOx nanorods for high-output flexible piezoelectric nanogenerators, which showed excellent energy-harvesting properties. The decoration of gallium nanoparticles on PZT @ GaOx nanorods amplified the local electric field, resulting in a remarkable improvement of PENG performance.
ACS APPLIED MATERIALS & INTERFACES
(2022)
Article
Materials Science, Multidisciplinary
C. Pavithra et al.
Summary: The morphology and properties of ceramics are greatly influenced by synthesis techniques and sintering temperature. Different synthesis methods result in variations in densification temperature and particle size of BCT-BST ceramics. The dielectric studies reveal interesting findings such as morphotropic phase boundary and high dielectric constant for sol gel synthesized BCT-BST.
MATERIALS CHEMISTRY AND PHYSICS
(2021)
Article
Chemistry, Physical
Nirmal Prashanth Maria Joseph Raj et al.
Summary: Superior applications from piezoelectric nanogenerators (PENG) require advanced materials like the synthesized BNKT, which have been used to create stretchable, planar, and compressive PENGs with different performance characteristics. These PENGs have been demonstrated as self-powered human body sensors capable of generating electricity from various forces.
Article
Materials Science, Composites
Harishkumarreddy Patnam et al.
COMPOSITES SCIENCE AND TECHNOLOGY
(2020)
Article
Chemistry, Physical
M. Salauddin Rasel et al.
Article
Nanoscience & Nanotechnology
Rui Feng et al.
ACS APPLIED MATERIALS & INTERFACES
(2019)
Review
Chemistry, Multidisciplinary
Fang Yi et al.
ADVANCED FUNCTIONAL MATERIALS
(2019)
Article
Chemistry, Multidisciplinary
Nagamalleswara Rao Alluri et al.
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
(2018)
Article
Chemistry, Multidisciplinary
Qian Zhang et al.
ADVANCED FUNCTIONAL MATERIALS
(2018)
Article
Chemistry, Physical
Huayang Li et al.
Article
Engineering, Multidisciplinary
Junliang Tao et al.
JOURNAL OF ZHEJIANG UNIVERSITY-SCIENCE A
(2016)
Article
Multidisciplinary Sciences
Yongqiang Tan et al.
SCIENTIFIC REPORTS
(2015)
Article
Chemistry, Multidisciplinary
Xiuhan Li et al.
Article
Physics, Applied
Dezhen Xue et al.
APPLIED PHYSICS LETTERS
(2011)
