Abstract: At present, the energy supply methods of new energy vehicles mainly include conduction charging, wireless charging and electricity changing, each of which has its own applicable fields and consumer groups. This paper will analyze the means of electric vehicle supplement range, compare the development trend of relevant technology at home and abroad, and analyze the development direction of charging/changing technology, so as to provide reference for peers.

Key words: New energy vehicles; Electrification; Charging/replacement technology

摘要： 目前，新能源汽车的能量补给方式主要有传导充电、无线充电和换电三类，各有适用领域和消费群体。文 章将针对电动车补充续航的手段进行分析，对比国内外相关技术的发展趋势，分析充、换电技术发展方向，给同行 以参考。

关键词: 新能源汽车；电动化；充/换电技术