锂离子电池热失控多维信号演化及耦合机制研究综述
李奎杰, 楼平, 管敏渊, 莫金龙, 张炜鑫, 曹元成, 程时杰

A review of multi-dimensional signal evolution and coupling mechanism of lithium-ion battery thermal runaway
Kuijie LI, Ping LOU, Minyuan GUAN, Jinlong MO, Weixin ZHANG, Yuancheng CAO, Shijie CHENG
表1 锂电池热失控过程中产气顺序[47]
Table 1 Gas generation sequence of lithium battery during thermal runaway[47]
时间现象
0~362 s锂电池正常工作,未探测到信号
362~584 s探测到信号,气体浓度排序:DMC>CO2>EMC>CH4
584~600 s(热失控开始)排气率增加,探测到C2H4、CH3OCH3和CH3OCHO
600~840 s(热失控到达顶峰)气体浓度排名:DMC>CO2>EMC> C2H4>CH4>CH3OCH3>CH3OCHO
840~900 s探测到HF
900~1500 sDMC、HF和EMC的浓度继续增加但其余气体混合物浓度在降低
1500~2500 sHF的浓度继续增加但其余气体混合物浓度在降低