电动汽车动力电池防水性失效模式分析

Analysis of Waterproofness Failure Mode of Electric Vehicle Power Battery

动力电池作为新能源电动汽车的动力来源,其防水性能直接影响整车安全。本文从动力电池密封圈,电气接插件,防爆阀和箱体结构四个方面出发,分析了动力电池防水性的几种失效模式,为电动汽车动力电池的防水性设计提供依据。

As the power source of new-energy electric vehicles,the waterproof performance of power battery directly aff ects the safety of the whole vehicle.This paper analyzes several failure modes of power battery waterproofness from four aspects of power battery sealing ring,electrical connector,explosionproof valve and box structure,so as to provide a basis for the waterproofi ng design of power battery of electric vehicle.