新能源汽车动力电池安全失效潜在原因分析  

Analysis on potential causes of safety failure of new energy vehicles

作　　者：王芳[1] 王峥 林春景[1] 张国振 张贵平 马天翼 刘磊[1] 刘仕强[1] WANG Fang;WANG Zheng;LIN Chunjing;ZHANG Guozhen;ZHANG Guiping;MA Tianyi;LIU Lei;LIU Shiqiang(China Automotive Technology and Research Center Co.,Ltd.,Tianjin 300300,China;Technology Equipment Industry Development Center,Ministry of Industry and Information,Beijing 100846,China)

机构地区：[1]中国汽车技术研究中心有限公司,天津300300 [2]工业和信息化部装备工业发展中心,北京100846

出　　处：《储能科学与技术》2022年第5期1411-1418,共8页Energy Storage Science and Technology

基　　金：国家重点研发计划项目(2019YFE0100200)。

摘　　要：中国目前是全球新能源汽车产销量和保有量最大的市场。近年来屡见报道的车辆火灾事故已然成为新能源汽车大规模普及应用的“拦路虎”,而绝大部分事故与动力电池有密不可分的关联。针对动力电池安全失效开展深入、系统性的梳理,对于定位事故原因并进一步减少新能源汽车火灾事故具有重要意义。本文基于新能源汽车火灾事故分析,从动力电池的关键材料、电芯设计、生产制造、系统集成和应用管控等环节系统梳理了潜在的引发失效的各种诱因,以期为电池产品安全品质的提升提供借鉴。At present,China is the largest market of new energy vehicle in the world.In recent years,the vehicle fire accidents which are frequently reported have become the“roadblocks”for the large-scale popularization and application of new energy vehicles.Most of the accidents are closely related to the power battery.It is of great significance to carry out indepth and systematic analysis on the safety failure of power battery for locating the cause of the accident and further reducing the fire accidents of new energy vehicles.Based on the fire accident analysis of new energy vehicles,this paper systematically analyzes the potential causes of failure from materials,cell design,production and manufacturing,battery pack system integration and management of power battery,so as to guide the improvement of safety quality of battery products.

关 键 词：新能源汽车 火灾事故 动力电池 自燃诱因 全生命周期 

分 类 号：TQ028.8[化学工程]