Design of Wireless Power Transfer with High Efficiency for Biomedical Implants

被引：1

作者：

Qingya Li ^{[1
]}

Zhiwei Zhang ^{[1
]}

Jingna Mao ^{[1
]}

机构：

[1] Institute of Automation, Chinese Academy of Sciences

来源：

Journal of Beijing Institute of Technology | 2022年 / 31卷 / 01期

关键词：

D O I：

10.15918/j.jbit1004-0579.2021.082

中图分类号：

R318.6 [仪器、设备];

学科分类号：

0831 ;

摘要：

Wireless power transfer(WPT) technology is a popular choice for biomedical implant devices. The demands of higher efficiency and smaller implantation size are hard to compromise in previous studies. In the present work, an implantable magnetic coupling resonant WPT system integrated with a metasurface element working at 430 MHz is presented. Similar planar copper coil components for the transmitting and receiving structures are used to construct the primary system,and then the metasurface element is integrated to constitute the whole WPT system. The effects of the distances between the transmitting coil and skin surface, between the skin surface, and receiving coil are discussed. The results show that the efficiency will be enhanced by 38–50 dB integrating with the metasurface.

引用

页码：53 / 60

页数：8

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