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1 不同厚度金属锂的利用率及其锂化裕度值

Table 1 Utilization rate and DLRP of different thickness of lithium metal

金属锂厚度/μm 石墨表面锂金属面质量/(mg/cm2) 锂化裕度/(mAh/cm2) 锂利用率/% 2.5 0.096 0.07 20 4.0 0.14 0.16 30 5.0 0.17 0.23 36 7.0 0.27 0.55 53