过充循环对锂离子电池容量衰减及安全性影响

许卓, 李希超, 贾隆舟, 陈兵, 戴作强, 郑莉莉

Effect of overcharge cycle on capacity attenuation and safety of lithium-ion batteries

Zhuo XU, Xichao LI, Longzhou JIA, Bing CHEN, Zuoqiang DAI, Lili ZHENG

图6 热失控过程中温度和温升速率变化 (a) 电池热失控过程中温度时间曲线；(b) 电池热失控过程中温升速率

Fig. 6 Temperature and temperature rise rate change during thermal runaway (a) Temperature time curve during thermal runaway of the battery; (b) Temperature rise rate of battery during thermal runaway