锂离子动力电池组热失控扩展防护研究进展

Research Progress of Thermal Runaway Expansion Protection for Lithium Ion Batteries

随着新能源汽车行业的迅猛发展,电动汽车锂离子动力电池的安全问题成为重要的研究方向。而锂离子动力电池组安全性的一个核心点就是锂离子动力电池组热失控扩展。综述国内外锂离子动力电池组关于热失控扩展的研究进展,分析热失控扩展的方式及影响因素,阐述几种有代表性的热失控扩展防护措施。

With the rapid development of new energy vehicle industry, the safety of lithium-ion battery in electric vehicle has become a research hotspot. One of the core points of the safety of lithium-ion battery pack is the thermal runaway expansion of lithium-ion battery pack.The research progress of thermal runaway expansion of lithium-ion battery pack was reviewed, the influencing factors of thermal runaway expansion were analyzed, and several main protective measures for thermal runaway expansion were described.