车用锂电池热失控特性及其控制方法分析  

Analysis of Thermal Runaway Characteristics and Control Methods of Automotive Lithium Batteries

作　　者：潘新锋 邵长风 王小燕[1] Pan Xinfeng;Shao Changfeng;Wang Xiaoyan

机构地区：[1]上海理工大学,上海200093

出　　处：《时代汽车》2024年第17期145-147,共3页Auto Time

摘　　要：随着电动汽车的普及,锂电池的安全问题特别是热失控现象变得日益重要。本文对热失控特性及其控制方法展开研究。分析了热失控的多种诱因,如电化学问题、机械和电气故障,并探讨了它们对电池热行为的影响。文章还描述了热失控从起始到最终阶段的过程,包括温度升高、化学反应失控,以及可能导致的燃烧或爆炸。此外,综合评述了热失控检测与防控技术的研究进展,如优化热管理系统、完善电池管理系统(BMS)和使用新型隔热材料。最后,展望了未来发展方向,总结了研究成果,并提出了未来研究的建议和改进方向,以促进该领域的发展。With the popularization of electric vehicles,the safety of lithium batteries,especially the thermal runaway phenomenon,has become increasingly important.In this paper,the thermal runaway characteristics and control methods are studied.The various triggers of thermal runaway,such as electrochemical problems,mechanical and electrical faults,are analyzed,and their effects on the thermal behavior of the battery are discussed.The article also describes the process of thermal runaway from the beginning to the final stage,including temperature increases,runaway chemical reactions,and possible combustion or explosion.In addition,the research progress of thermal runaway detection and prevention technology,such as the optimization of thermal management system,the improvement of battery management system(BMS),and the use of new thermal insulation materials,are comprehensively reviewed.Finally,the future development direction is prospected,the research results are summarized,and the suggestions and improvement directions for future research are put forward to promote the development of this field.

关 键 词：锂电池 热失控 控制方法 电池管理系统 液冷系统 

分 类 号：TM9[电气工程—电力电子与电力传动]