Large-scale fabrication of robust textile triboelectric nanogenerators

Wang, Wei; Yu, Aifang; Liu, Xia; Liu, Yudong; Zhang, Yang; Zhu, Yaxing; Lei, Ying; Jia, Mengmeng; Zhai, Junyi; Wang, Zhong Lin

doi:10.1016/j.nanoen.2020.104605

Cited by 145 publications

(84 citation statements)

References 33 publications

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“…Electrical characterization of textile-based TENGs is conducted by different research groups using different methods. These methods include the measurement of current, voltage, charge, and power outputs, using oscilloscopes or electrometers ( Dudem et al., 2019 ; Paosangthong et al., 2019b ; Sala de Medeiros et al., 2019 ; Wang et al., 2020 ), when the TENG is subjected to mechanical excitation. Mechanical excitation could be provided manually (hand tapping, Lai et al., 2017 ; Liu et al., 2018a , 2018b ; Mallineni et al., 2018 ; Yang et al., 2018a ; bending, Dong et al., 2017a ; Zhang et al., 2019 , 2016 ; Zhou et al., 2014a , 2014b ) or mechanically (linear motor, Dong et al., 2017b ; Zhao et al., 2020 ), (shaker, Dudem et al., 2020 , 2019 ), with a specified amplitude and speed.…”

Section: Testing Of Textile-based Tengsmentioning

confidence: 99%

Towards Truly Wearable Systems: Optimizing and Scaling Up Wearable Triboelectric Nanogenerators

2020

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Summary Triboelectric nanogenerator (TENG) is an upcoming technology to harvest energy from ambient movements. A major focus herein is harvesting energy from human movements through wearable TENGs, which are constructed by integrating nanogenerators into clothing or accessories. Textile-based TENGs, which include fiber, yarn, and fabric-based TENG structures, account for the majority of wearable TENGs, with many designs and applications demonstrated recently. This calls for a comprehensive analysis of textile-based TENG technology, and how the state-of-the-art device optimization concepts can be deployed to construct them efficiently. Concurrently, how advanced engineering concepts and industrial manufacturing techniques, which are bound with fiber, yarn, and fabric-related developments, can be applied into the TENG context for their output enhancement is still under investigation. Herein, we fill this vital gap by analyzing the state-of-the-art developments, upcoming trends, output optimization strategies, scalability, and prospects of the textile-based TENG technology, presenting a textile engineering perspective.

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Section: Testing Of Textile-based Tengsmentioning

confidence: 99%

Towards Truly Wearable Systems: Optimizing and Scaling Up Wearable Triboelectric Nanogenerators

2020

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“…Similarly, Wang et al. [ 153 ] also investigated large‐scale fabrication of textile TENGs using liquid metal fibers that are acid/alkali resistant due to the fibers closed structure and having a polytetrafluoroethylene shell friction fiber.…”

Section: Power Sourcesmentioning

confidence: 99%

Recent Advances in Deformable Circuit Components with Liquid Metal

Bury

Chun

Koh

2021

Adv Elect Materials

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Deformable electronics, specifically those incorporating liquid metal, allow for previously inaccessible mechanical behavior and exciting new technologies. This is demonstrated by recent, promising advances in the fabrication, characterization, device performance, and applications of liquid metal electronics. Through the use of liquid metals and soft, stretchable materials, it is shown that devices that provide stretchability and improved safety and comfort between humans and machines can achieve comparable or better electrical performance than conventional alternatives. Many of the latest major advances in liquid metal electronics focus on fundamental, deformable, passive circuit components and materials including capacitors, inductors, resistors, electrodes, wires, and composite materials, such as advances in biomimicry and deformation‐based sensing using both capacitors and inductors. Liquid metal passive components and materials have led to further progress in deformable secondary devices and applications such as antennas, actuators, power sources, and thermal management devices, including mechanical tuning for antennas, self‐sensing actuators, and power sources operational under stress. While deformable liquid metal electronics are still faced with challenges, the continued expansion of the field of liquid metal circuits is dramatically altering the research landscape of reconfigurable, self‐healable, and magnetically controllable electronics and revolutionalizing the way that electronics will be used in the future.

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“…[ 18–20 ] Wearable TENGs based on textiles extract mechanical energy from the human body, actively sense body motion, and function in a wide range of conditions. [ 7,10–15,21–37 ] One of the authors previously reported the first single‐thread‐based TENG using a twisted multi‐thread stainless steel wire as the conducting electrode and silicone rubber as the triboelectric material. [ 11 ] However, the resulting TENG was neither stretchable nor elastic; therefore, a 1D serpentine sewing structure was proposed to overcome the mechanical limitations.…”

Section: Introductionmentioning

confidence: 99%

Elastic Multifunctional Liquid–Metal Fibers for Harvesting Mechanical and Electromagnetic Energy and as Self‐Powered Sensors

Lai

et al. 2021

Advanced Energy Materials

116

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Future wearable technologies and personal electronics may benefit from e‐textiles that simultaneously possess high elasticity and multiple capabilities such as energy harvesting and sensing. Here, the first elastic multifunctional fiber that can scavenge mechanical energy from body motion and electromagnetic energy from surrounding electrical appliances is presented. In addition to converting multiple sources of waste energy into electricity, the fibers can also serve as self‐powered tactile and biomechanical sensors. The fibers consist of hollow elastomeric fibers filled with liquid metal. The fibers harvest energy by the combination of triboelectricity (160 V m−1, 5 µA m−1, and ≈360 µW m−1) and induced electrification of the liquid metal (±8 V m−1 (60 Hz), ±1.4 µA m−1, and ≈8 µW m−1). The fibers are characterized and their utility for powering electronics and sensing biomechanical information is demonstrated. These fibers are further demonstrated as completely soft and stretchable components for human–machine interfaces, including keypads and wireless music controllers.

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Large-scale fabrication of robust textile triboelectric nanogenerators

Cited by 145 publications

References 33 publications

Towards Truly Wearable Systems: Optimizing and Scaling Up Wearable Triboelectric Nanogenerators

Towards Truly Wearable Systems: Optimizing and Scaling Up Wearable Triboelectric Nanogenerators

Recent Advances in Deformable Circuit Components with Liquid Metal

Elastic Multifunctional Liquid–Metal Fibers for Harvesting Mechanical and Electromagnetic Energy and as Self‐Powered Sensors

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