Review of Bidirectional Wireless Power Transfer Systems for Electric Vehicles

doi:10.3901/JME.2025.08.170

Abstract

Abstract: With the continuous growth of electric vehicles and the sustained development of vehicle-to-grid (V2G) technology, it is important to study and develop bidirectional charging and discharging interfaces for electric vehicles. With the advantages of convenience, flexibility, and strong interactive ability, bidirectional wireless power transfer systems have received increasing attention. The important technologies, research status, and development trends of bidirectional wireless power transfer systems for electric vehicles are reviewed. Starting from the structural composition and key technologies of the system, firstly, the related research on the main power topology based on two-stage and single-stage power conversion is summarized; secondly, the mainstream compensation topologies and their characteristics are compared, and the relationship between compensation networks and interoperability is analyzed; thirdly, the system modeling and control methods are outlined, the development sequence of efficiency optimization strategies is sorted out, and the phase synchronization technology of wireless signal transmission is summarized. Finally, the development trend and research ideas of the technology are proposed to address the limitations of existing research. It is expected to promote the technical innovation and application of bidirectional wireless power transfer systems for electric vehicles.

Key words: electric vehicle, wireless power transfer, bidirectional charge and discharge, vehicle-to-grid

CLC Number:

TM724

ZHANG Baokun, DENG Junjun, WANG Zhenpo, CHEN Deliang, LI Lantian, LI Mingyang. Review of Bidirectional Wireless Power Transfer Systems for Electric Vehicles[J]. Journal of Mechanical Engineering, 2025, 61(8): 170-192.

References

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