电磁感应式无线供电用软磁片研究进展  

Progress on soft magnetic sheets for wireless power system based on electromagnetic induction

作　　者：杜瑞华 雷国莉 王凌峰 程戎 颜冲 DU Rui-hua;LEI Guo-li;WANG Ling-feng;CHENG Rong;YAN Chong(College of Material Science and Engineering,China Jiliang University,Hangzhou 310018,China)

机构地区：[1]中国计量大学材料科学与工程学院,浙江杭州310018

出　　处：《磁性材料及器件》2020年第2期58-63,共6页Journal of Magnetic Materials and Devices

基　　金：浙江省公益技术应用研究资助项目(2017C37091)。

摘　　要：无线供电因其非接触性供电方式正越来越得到广泛应用。基于磁耦合的电磁感应式供电是目前市场开发的热点。叙述了电磁感应式供电的原理和特点。软磁片作为无线供电系统中的核心材料,主要应用于发射端和接收端,以增高感应磁场和屏蔽线圈干扰,降低损耗,提高能量传输效率。介绍了用于电磁感应式供电软磁片的性能要求、材料类型及特点、制备工艺。在此基础上,综述了国内外无线供电用软磁片的发展概况,最后对无线供电的应用和未来发展趋势进行了展望。Wireless power supply is widely used because of its non-contact power supply.Electromagnetic induction power supply based on magnetic coupling is a hot spot in the market.In this paper,the mechanism and characteristics of electromagnetic induction power supply are introduced.As the core material of the wireless power supply system,soft magnetic sheets are mainly used in the transmitter and receiver to increase the induction field and shield coil interference.And the efficiency of energy transmission is improved.The performance requirements,material types and preparation technologies of soft magnetic sheets for wireless power supply are also contained.Then,the domestic and abroad development of soft magnetic sheets for wireless power supply is summarized.Finally,the application and development trend of the wireless power supply has prospected.

关 键 词：无线供电 电磁感应 软磁片 

分 类 号：TM271.2[一般工业技术—材料科学与工程]