基于大倍率电流脉冲的动力锂离子电池阻抗模型优化

李欣雨, 韩雪冰, 卢兰光, 李建秋, 欧阳明高

Optimization of an impedance model for power Li-ion batteries based on a large multiplier current pulse

Xinyu LI, Xuebing HAN, Languang LU, Jianqiu LI, Minggao OUYANG

表1 原始等效电路模型和改进模型仿真误差比较

Table 1 Comparison of simulation errors between the original equivalent circuit model and the improved model

倍率/C 原始模型误差(绝对值/相对值) 改进模型误差(绝对值/相对值) 4 C 3.5 mV/0.09% 3.5 mV/0.09% 6 C 4.8 mV/0.13% 4.8 mV/0.13% 8 C 28.7 mV/0.84% 12.9 mV/0.38% 10 C 188.7 mV/6.56% 27.7 mV/0.96% 11.9 C 222.6 mV/8.39% 46.2 mV/1.74%