三元锂离子电池氢气产生原因探索

袁雪芹, 杨雷

Exploration of the cause of hydrogen generation in NCM lithium-ion batteries

Xueqin YUAN, Lei YANG

表1 0.1 C/0.1 C倍率循环20周后，GC色谱检测到的全电池、负极对称电池及正极对称电池中每个电池所生成的详细气体成分

Table 1 The detailed composition of the detected GC gases from every PC, NSC, and PSC at 0.1 C/0.1 C rate after 20 cycles

样品 PC1 PC2 NSC1 NSC2 PSC1 PSC2 H2 56.10 72.72 18.32 26.81 0.00 0.00 O2 0.00 0.00 0.00 0.00 0.00 0.00 CO 4.63 3.36 55.90 0.00 0.00 0.00 CH4 14.32 3.29 12.84 3.40 0.00 0.00 CO2 2.72 2.74 5.90 64.82 100.00 100.00 C2H4 21.19 17.33 4.09 2.96 0.00 0.00 C2H6 1.04 0.56 2.96 0.48 0.00 0.00 C3H6 0.00 0.00 0.00 1.53 0.00 0.00 C3H8 0.00 0.00 0.00 0.00 0.00 0.00