Abstract: Due to the mileage anxiety of pure electric vehicles, how to improve the layout efficiency of power batteries in a limited space is the primary concern of all major car companies. This paper analyzes the factors affecting the battery arrangement one by one, and finally proposes the solutions to provide important theoretical reference for the arrangement and optimization of the design direction of power battery pack.

Key words: Electric vehicles; Power battery pack; Layout efficiency; Optimization design

摘要： 出于纯电动汽车里程焦虑困扰，如何在有限的空间内提高动力电池的布置效率是各大 车企的首要考虑问题。文章对影响电池布置的各个因素进行逐一分析，最后有针对性地提出 各个影响因素下的解决方案，为动力电池组的布置和优化设计方向提供重要理论参考。

关键词: 电动汽车；动力电池组；布置效率；优化设计