Journal
NANO ENERGY
Volume 83, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.nanoen.2021.105857
Keywords
TENG; Self-powered; Rotating speed; Displacement; Acceleration; Sensor
Categories
Funding
- National Science Foundation of China, China [11672269, 11972323]
- Zhejiang Provincial Natural Science Foundation of China, China [LR20A020002]
- Fundamental Research Funds for the Provincial Universities of Zhejiang, China [RFB2019004]
- 111 Project, China [D16004]
- Zhejiang Lab's International Talent Fund for Young Professionals, China
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This study introduces a self-powered rotating motion sensor (SRM-Sensor) capable of synchronously monitoring rotating displacement, speed, and acceleration, amplifying the triboelectric output signal twofold with a sensitivity of 580 mV/rpm. After connecting to a rectified bridge and filter capacitor circuit, the output voltage shows an intuitive relationship with rotating speed.
The promptly growing technique of powerless devices based on triboelectric nanogenerator (TENG) offers an opportunity to get rid of external power sources. Especially, plenty of self-powered rotating sensors are proposed but short of the capability to simultaneously detect multi-rotating parameters. A self-powered states of rotating motion sensor (SRM-Sensor) is developed for synchronously monitoring rotating displacement, speed, acceleration. It is mainly constructed by rack-shaped plates and incomplete gears. Symmetrical setup of incomplete gears design amplifies triboelectric output signal twofold and the sensitivity is 580 mV/rpm. After connecting to rectified bridge and filter capacitor circuit, the output voltage shows an intuitionistic relationship with rotating speed. The calculated integral and derivation of output voltage curve perfectly fit the rotating displacement and acceleration. The proposed SRM- Sensor potentially paves the way for a rotating motion sensing system with selfpowered characteristics to the fields of industrial revolve detecting.
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