An Ultrathin Flexible Single‐Electrode Triboelectric‐Nanogenerator for Mechanical Energy Harvesting and Instantaneous Force Sensing |
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| Authors: | Shu Wen Chen Xia Cao Ning Wang Long Ma Hui Rui Zhu Magnus Willander Yang Jie Zhong Lin Wang |
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| Institution: | 1. Beijing Institute of Nanoenergy and Nanosystems, Chinese Academy of Sciences, National Center for Nanoscience and Technology (NCNST), Beijing, China;2. School of Chemistry and Biological Engineering, University of Science and Technology Beijing, Beijing, China;3. Center for Green Innovation, School of Mathematics and Physics, University of Science and Technology Beijing, Beijing, China;4. Wuhan Mechanical Technology College, Wuhan, China;5. School of Material Science and Engineering, Georgia Institute of Technology, Atlanta, GA, USA |
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| Abstract: | The trends in miniaturization of electronic devices give rise to the attention of energy harvesting technologies that gathers tiny wattages of power. Here this study demonstrates an ultrathin flexible single electrode triboelectric nanogenerator (S‐TENG) which not only could harvest mechanical energy from human movements and ambient sources, but also could sense instantaneous force without extra energy. The S‐TENG, which features an extremely simple structure, has an average output current of 78 μA, lightening up at least 70 LEDs (light‐emitting diode). Even tapped by bare finger, it exhibits an output current of 1 μA. The detection sensitivity for instantaneous force sensing is about 0.947 μA MPa?1. Performances of the device are also systematically investigated under various motion types, press force, and triboelectric materials. The S‐TENG has great application prospects in sustainable wearable devices, sustainable medical devices, and smart wireless sensor networks owning to its thinness, light weight, energy harvesting, and sensing capacities. |
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| Keywords: | energy harvesting force sensing self‐powering triboelectric nanogenerators |
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