期刊
NANOTECHNOLOGY
卷 25, 期 13, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0957-4484/25/13/135402
关键词
triboelectric generator; electromagnetic generator; complementary relationship
资金
- 'thousands talents' program for pioneer researcher and his innovation team, China
- Beijing City Committee of science and technology project [Z131100006013004]
Recently, a triboelectric generator (TEG) has been invented to convert mechanical energy into electricity by a conjunction of triboelectrification and electrostatic induction. Compared to the traditional electromagnetic generator (EMG) that produces a high output current but low voltage, the TEG has different output characteristics of low output current but high output voltage. In this paper, we present a comparative study regarding the fundamentals of TEGs and EMGs. The power output performances of the EMG and the TEG have a special complementary relationship, with the EMG being a voltage source and the TEG a current source. Utilizing a power transformed and managed (PTM) system, the current output of a TEG can reach as high as similar to 3 mA, which can be coupled with the output signal of an EMG to enhance the output power. We also demonstrate a design to integrate a TEG and an EMG into a single device for simultaneously harvesting mechanical energy. In addition, the integrated NGs can independently output a high voltage and a high current to meet special needs.
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