Abstract
In recent years, with the rapid development of the electric vehicles (EVs) industry, the charging system for EVs has been gradually improving. As a crucial component in the field of EV charging systems, the integrated topology and efficient control strategies of on-board charging (OBC) systems have become research hotspots in the EV. This paper comprehensively reviews the current development status and future trends of EVs and their on-board charging systems, summarizes the classification and technical specifications of EV charging interfaces, and focuses on discussing the topology and control techniques of the front-stage AC/DC converters and rear-stage DC/DC converters suitable for OBC. A comparative analysis of relevant topology structures is also conducted. Furthermore, this article summarizes the existing charging methods for electric vehicles and discusses the current development of battery charging technology, and finally, points out the future trends of OBC, providing guidance for future research directions of OBC.
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