双功能电解液添加剂对锂离子电池高温高电压性能的影响

江依义, 沈旻, 宋半夏, 李南, 丁祥欢, 郭乐毅, 马国强

Effect of Dual-functional Electrolyte Additive on High Temperature and High Voltage Performance of Li-ion Battery

JIANG Yiyi, SHEN Min, SONG Banxia, LI Nan, DING Xianghuan, GUO Leyi, MA Guoqiang

图3 对照组和实验组电池经60 ℃存储14 d后的(a)体积和内阻变化率、(b)自放电率和容量恢复率以及(c)充放电曲线

Fig. 3 (a) Gas swelling rates and ACR change rates, (b) K values and capacity recovery rates, (c) charge and discharge curves of pouch cells with and without TVS in electrolytes after storage at 60 ℃ for 14 d