Application Methods of Metamaterials in Wireless Power Transfer
Yao Chen1, Ma Dianguang1, Tang Houjun1,2, Zhang Yingyi1, Cai Weikun1
1.Department of Electrial Engineering Shanghai Jiao Tong University Shanghai 200240 China 2.State Energy Smart Grid R&D Center (Shanghai) Shanghai 200240 China
Abstract：The design methods and most related theories of metamaterials applied in wireless power transfer are elaborated.Three important theories,i.e.the negative refraction effect,the coupling model of magnetic dipoles,and the coordinates transformation theory,are introduced to explain the mechanism of improving the performance of wireless power transfer by metamaterials.In addition,two design methods,including the principle model method and the S-parameters retrieval method,are presented to illustrate the realization of specific electromagnetic constitutive parameters.The principle model method is theoretically derived for simple micro-structures,which has some inspiration significance for acquiring the electromagnetic parameters.And S-parameters retrieval method is more suitable for practical designs and complicated metamaterial micro-structures with the help of finite element simulation and retrieval equations.
姚辰,马殿光,唐厚君,张颖异,蔡位焜. 超颖材料在无线电能传输中的应用方法[J]. 电工技术学报, 2015, 30(19): 110-119.
Yao Chen, Ma Dianguang, Tang Houjun, Zhang Yingyi, Cai Weikun. Application Methods of Metamaterials in Wireless Power Transfer. Transactions of China Electrotechnical Society, 2015, 30(19): 110-119.
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2015, Vol. 30 
