Using artificial magnetic conductors to improve the efficiency of wireless power transfer

Taixia Shi; Lijuan Dong; Yongqiang Chen; Yong Sun; Yanhong Liu; Fusheng Deng; Lixiang Liu; Yunlong Shi; Yanyan Shen

doi:10.1063/1.5092143

journal article·2019-04-01Open access

Using artificial magnetic conductors to improve the efficiency of wireless power transfer

Taixia Shi, Lijuan Dong, Yongqiang Chen, Yong Sun, Yanhong Liu, Fusheng Deng, Lixiang Liu, Yunlong Shi, Yanyan Shen

AIP Advances· Volume 9· Issue 4

Publisher page Open full text

Source abstract

Abstract

In this study, an advanced wireless power transfer (WPT) system of two coils with the artificial magnetic conductors (AMC) is explored through simulations and experiments. The AMC structure is added on the transmitter coil, and the multiple resonant modes on the surface of the AMC can be energized. On the other hand, the AMC structure act as a magnetic field shield, which leads to the magnetic field above AMC structure is localized. Therefore, the localized resonant magnetic field enhance the transmission coefficient of the WPT system. The results show that the WPT transmission coefficient is increased from 16% to 35% in the experiment at 26.2 MHz resonant frequency when transmission distance is 3 cm. The experimental results agree with the simulation results. Additionally, AMC has the advantages of low-cost and can easily be installed on the WPT system.

Source: crossref · Quality: baseline

Research context

OpenAlex topics: Wireless Power Transfer Systems · Energy Harvesting in Wireless Networks · Antenna Design and Analysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering, Taiyuan University of Technology 1 , Taiyuan 030024, China

Shanxi Provincial Key Laboratory of Microstructure Electromagnetic Functional Materials, Shanxi Datong University 2 , Datong 037009, China

Jiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Mathematics and Physics, Suzhou University of Science and Technology 3 , Suzhou, Jiangsu 215009, China

Key Laboratory of Advanced Micro-structured Materials, MOE, School of Physics Science and Engineering, Tongji University 4 , Shanghai 200092, China

Funding

The Natural Science Foundation of Shanxi Province · National Natural Science Foundation of China

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