Ultra‐Stable Electret Nanogenerator to Scavenge High‐Speed Rotational Energy for Self‐Powered Electronics | Zendy

Zhao Kun | Zendy; Wang Xue | Zendy; Yang Ya | Zendy

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Ultra‐Stable Electret Nanogenerator to Scavenge High‐Speed Rotational Energy for Self‐Powered Electronics

Author(s) -

Zhao Kun,

Wang Xue,

Yang Ya

Publication year - 2017

Publication title -

advanced materials technologies

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.184

H-Index - 42

ISSN - 2365-709X

DOI - 10.1002/admt.201600233

Subject(s) - electret , electronics , voltage , nanogenerator , materials science , electrical engineering , energy harvesting , power (physics) , rotational speed , optoelectronics , mechanical engineering , physics , engineering , composite material , quantum mechanics

An electret nanogenerator (ENG) based on electrostatic induction of an electret film is realized exhibiting an ultra‐stable output performance. No output voltage/current decay is found under continuous working conditions of 10 h or intermittent working conditions of 100 days at a rotational speed of 4000 rpm. By utilizing a power management circuit, the ENG can deliver a constant output voltage of 5 V and a pulsed output current of 160 mA, which can provide enough energy for directly powering some small electronics such as a temperature–humidity sensor.

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