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4 对照组和实验组电池在45 ℃的循环性能

Fig. 4 Cycling performance of pouch cells with and without TVS in electrolytes at 45 ℃ (a) Discharge capacity and (b) ΔV vs cycle number; EIS plots of (c) pouch full cells, (d) graphite/graphite symmetric cells and (e) NCM622/NCM622 symmetric cells before and after 100 cycles