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A Self-Powered Flyback Pulse Resonant Circuit for Combined Piezoelectric and Thermoelectric Energy Harvesting

Huakang XIA, Yidie YE, Xiudeng WANG, Ge SHI, Zhidong CHEN, Libo QIAN, Yinshui XIA

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Summary :

A self-powered flyback pulse resonant circuit (FPRC) is proposed to extract energy from piezoelectric (PEG) and thermoelectric generators (TEG) simultaneously. The FPRC is able to cold start with the PEG voltage regardless of the TEG voltage, which means the TEG energy is extracted without additional cost. The measurements show that the FPRC can output 102 µW power under the input PEG and TEG voltages of 2.5 V and 0.5 V, respectively. The extracted power is increased by 57.6% compared to the case without TEGs. Additionally, the power improvement with respect to an ideal full-wave bridge rectifier is 2.71× with an efficiency of 53.9%.

Publication
IEICE TRANSACTIONS on Electronics Vol.E105-C No.1 pp.24-34
Publication Date
2022/01/01
Publicized
2021/06/23
Online ISSN
1745-1353
DOI
10.1587/transele.2021ECP5003
Type of Manuscript
PAPER
Category
Electronic Circuits

Authors

Huakang XIA
  Ningbo University
Yidie YE
  Ningbo University
Xiudeng WANG
  Ningbo University
Ge SHI
  China Jiliang University
Zhidong CHEN
  Ningbo University
Libo QIAN
  Ningbo University
Yinshui XIA
  Ningbo University

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