期刊
ACS NANO
卷 7, 期 10, 页码 9461-9468出版社
AMER CHEMICAL SOC
DOI: 10.1021/nn4043157
关键词
triboelectric nanogenerator; wind energy; self-powered; vector sensor; wind sensor
类别
资金
- U.S. Department of Energy, Office of Basic Energy Sciences [DE-FG02-07ER46394]
- NSF
- Chinese Academy of Sciences [KJCX2-YW-M13]
We report a triboelectric nanogenerator (TENG) that plays dual roles as a sustainable power source by harvesting wind energy and as a self-powered wind vector sensor system for wind speed and direction detection. By utilizing the wind-induced resonance vibration of a fluorinated ethylene propylene film between two aluminum foils, the integrated TENGs with dimensions of 2.5 cm x 2.5 an x 22 cm deliver an output voltage up to 100 V, an output current of 1.6 mu A, and a corresponding output power of 0.16 mW under an external load of 100 M Omega, which can be used to directly light up tens of commercial light-emitting diodes. Furthermore, a self-powered wind vector sensor system has been developed based on the rationally designed TENGs, which is capable of detecting the wind direction and speed with a sensitivity of 0.09 mu A/(m/s). This work greatly expands the applicability of TENGs as power sources for self-sustained electronics and also self-powered sensor systems for ambient wind detection.
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