电动汽车交通事故特征有别于传统的汽油车，电池组作为其核心部件在碰撞过程中极易导致二次事故。对现有的电动汽车交通事故特征进行了分析，并简要介绍了国内外关于电池组保护措施的研究现状，在此基础上提出了一种新的电池组防护与约束结构，并且通过数值模拟探讨了其有效性，为后续的相关研究提供了参考。%The characteristics of electric vehicle traffic accident are usual y different from those of traditional gasoline car. The battery pack, the core component of electric vehicle, can easily cause secondary accident during the impact process. This paper analyzes its current characteristics and presents some protection measures both at home and abroad. Based on the above investigation, a no-vel structure of the battery pack protection is proposed and it also discusses its effectiveness through numerical simulation.
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