Thin, stretchable, universal wireless power transfer system for electric vehicle charging

Abstract

A novel stretchable wireless power transfer (SWPT) system is developed to integrate the receiving coil on the vehicle roof and hang the transmission coil over the vehicle to shorten the transmission distance and improve the power transfer efficiency.

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“…When applied to the transport sector, this technology is based on two air-coupled coils (one in the transmitter and another in the receiver) operating with a kHz-current. 4 As can be observed in Fig. 1 , power converters are included in both the primary (power transmitter) and the secondary (power receiver) sides in order to work in this frequency range.…”