电动汽车动力电池应用安全提升研究  

Study on Safety Performance Improvement of EV Power Battery

作　　者：徐昱 蒋燕萍 郑正仙 张鹏飞 徐烨玲 XU Yu;JIANG Yanping;ZHENG Zhengxian;ZHANG Pengfei;XU Yeling(State Grid Hangzhou Power Supply Company,Hangzhou 310009,China;Hangzhou Dayou Science and Technology Development Co.,Ltd.,Hangzhou 310052,China)

机构地区：[1]国网浙江省电力有限公司杭州供电公司,杭州310009 [2]杭州大有科技发展有限公司,杭州310052

出　　处：《浙江电力》2018年第6期53-57,共5页Zhejiang Electric Power

摘　　要：针对电动汽车动力电池维护过程中发现的一例电芯极耳断裂问题,分析造成这一现象的几个原因,并有针对性地提出优化电池箱强度设计等解决措施来保证动力电池安全使用。实践证明:经过改造后,电池使用可靠性得到明显分析,电动汽车的安全性得到加强。In this paper, the reasons for cell terminal crack during electric vehicle battery maintenance are analyzed, and some solutions such as optimization for strength design of battery pack are put forward to ensure the use safety of power battery. The practice proves that operation reliability of the battery is analyzed and the safety of electric vehicle is strengthened after transformation.

关 键 词：电动汽车 动力电池 安全性 优化设计 

分 类 号：TM912[电气工程—电力电子与电力传动] U469.72[机械工程—车辆工程]