锂离子电池化成技术研究进展

林乙龙, 肖敏, 韩东梅, 王拴紧, 孟跃中

Research progress in formation technique for LIBs

Yilong LIN, Min XIAO, Dongmei HAN, Shuanjin WANG, Yuezhong MENG

表2 (a) 化成充电阶段荷电态和(b) 随后一圈充电到100%荷电态分别对应的容量损失[30]

Table 2 Capacity losses (room temperature) for (a) formation with charging step to the state-of-charge (SOC) stated, and (b) a subsequent cycle with charging step to 100% SOC, respectively[30]

T/℃ 容量衰减 (a)/% 容量衰减 (b)/% 总容量衰减/% NCM Graphite NCM Graphite NCM Graphite 15 26.4 9.5 -3.9 0.2 22.5 9.7 25 19.7 9.9 -0.6 0.5 19.1 10.4 35 17.2 10.8 5.1 0.6 22.3 11.4 45 15.0 13.3 8.5 0.8 23.5 14.1