Efficiency-Enhanced Wireless Power Transfer Based on Multiple Coupling Paths

Jianxing Li,Jie-Kai Lin,Xinyue Song,Sen Yan,Jianxing Li,Xiu Yin Zhang

IEEE Microwave and Wireless Components Letters（2021）

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摘要

This letter presents a novel efficiency-enhanced wireless power transfer (WPT) system operating at 13.56-MHz ISM band. Dual sub-resonators at both transmitting and receiving ends are employed to introduce multiple coupling paths and boost system efficiency. The closed-form equations are derived to verify the advantages of the proposed scheme. A prototype of the WPT system is implemented using the ...

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关键词

Transmitters,Couplings,Receivers,Equivalent circuits,Resonant frequency,Wireless power transfer,Prototypes

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