Negative and Near-Zero Permeability Metamaterials for Efficiency Improvement in Wireless Power Transfer System
2023 IEEE 11th Asia-Pacific Conference on Antennas and Propagation (APCAP)(2023)
摘要
The wireless power transfer (WPT) system for unmanned aerial vehicles is limited by the charging distance. To improve the conversion efficiency of this WPT system, the hybrid metamaterial slabs with both negative and near-zero permeability are proposed. Two hybrid metamaterial slabs are positioned: one behind the Tx and Rx coils and the other between them. This paper verifies that the hybrid metamaterial slabs that have been proposed can improve the efficiency of the WPT system, around 13%.
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关键词
Wireless Power Transfer,Wireless Power Transfer System,Negative Permeability,Near-zero Permeability,Efficient System,Unmanned Aerial Vehicles,Magnetic Field,Transmission Efficiency,Negative Deflection,Spiral Pattern
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