负极补锂锂化裕度对电芯性能的影响及机理研究

黄晓伟, 李少鹏, 张校刚

Research on the impact and mechanism of the lithium replenishment degree of anode prelithiation on the performance of lithium-ion batteries

Xiaowei HUANG, Shaopeng LI, Xiaogang ZHANG

表2 不同DLRP对电池初始容量、库仑效率、内阻的影响

Table 2 The effects of DLRP on the capacities of cells, the first discharge efficiency of cells and the initial internal resistance of cells

类别 A-Ref B-0.07 mAh/cm2 C-0.16 mAh/cm2 D-0.23 mAh/cm2 E-0.55 mAh/cm2 首周库仑效率 87.3% 91.6% 94.6% 94.8% 95.3% 放电容量/Ah 3.41 3.56 3.64 3.65 3.67 内阻/mΩ 4.23 4.17 4.15 4.16 4.41