动力电池热失控特征及防控技术研究分析  

Research and Analysis of Thermal Runaway Characteristics and Prevention and Control Technology of Power Battery

作　　者：李致远 鲁锐华[2] 余庆华 颜伏伍[1] Li Zhiyuan;Lu Ruihua;Yu Qinghua;Yan Fuwu(Wuhan University of Technology,Hubei Research Center for New Energy&Intelligent Connected Vehicle,Hubei Key Laboratory of Modern Automobile Parts Technology,Wuhan 430070;Hubei Institute of Aerospace Chemical Technology,Laboratory of Emergency Safety and Rescue Technology,Xiangyang 441003)

机构地区：[1]武汉理工大学,现代汽车零部件技术湖北省重点实验室,湖北省新能源与智能网联车工程技术研究中心,武汉430070 [2]湖北航天化学技术研究所,应急救生与安全防护湖北省重点实验室,襄阳441003

出　　处：《汽车工程》2024年第1期139-150,共12页Automotive Engineering

基　　金：湖北省重点研发计划(2021BAA016);中央高校基本科研业务费专项资金(2022IVA024)资助。

摘　　要：近年来,锂离子电池热失控问题已成为抑制新能源汽车动力电池发展的主要瓶颈。本文针对新能源汽车动力电池热失控问题的研究展开了全面综述,阐述了锂离子电池热失控的诱因,介绍了锂离子电池热失控过程以及不同变量条件下锂离子电池的热失控特征。基于锂离子电池的热失控特征参数综述了适用于锂离子电池火灾的早期预警方法和火灾抑制方法,总结了目前新能源汽车动力电池热失控问题研究的不足和发展趋势,为新能源汽车动力电池领域的发展提供一定的参考。In recent years,the thermal runaway problem of lithium-ion battery has become the main bottle⁃neck restraining the development of power battery of new energy vehicles.In this paper,a comprehensive review of the research on the thermal runaway problem of the power battery of new energy vehicles is carried out,with the in⁃ducment of the thermal runaway of lithium-ion battery expounded and the thermal runaway process of lithium-ion battery and the characteristics of the thermal runaway of lithium-ion battery under different variable conditions intro⁃duced.Based on the characteristic parameters of thermal runaway of lithium-ion battery,the early warning methods and fire suppression methods applicable to lithium-ion battery fire are reviewed,and the shortcomings and develop⁃ment trend of the current research on thermal runaway of power battery of new energy vehicles are summarized,pro⁃viding certain reference for the development of power battery of new energy vehicles.

关 键 词：动力电池 热失控 火灾预警 火灾抑制 

分 类 号：U469.7[机械工程—车辆工程] TM912[交通运输工程—载运工具运用工程]