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3 全电池，负极对称电池及正极对称电池过充后每个电池所生成的详细气体成分

Table 3 Composition of the detected GC gases from the PC, NSC, and PSC after overcharge tests

气体 PC1 PC2 NSC1 NSC2 PSC1 PSC2 H2 42.64 54.41 46.45 63.96 0.00 0.00 O2 0.00 0.00 0.00 0.00 0.00 0.00 CO 8.96 2.40 13.26 0.00 12.87 20.57 CH4 7.71 9.81 2.29 7.81 0.00 0.00 CO2 34.53 29.29 26.56 23.70 84.98 77.29 C2H4 1.81 0.13 10.97 2.39 2.15 2.14 C2H6 3.38 3.95 0.38 2.13 0.00 0.00 C3H6 0.89 0.00 0.10 0.00 0.00 0.00 C3H8 0.09 0.00 0.00 0.00 0.00 0.00