基于电化学阻抗谱的锂离子电池健康状态估计

史宏思, 孙新伟, 王凯

State of Health Estimation for Lithium-Ion Batteries Based on Electrochemical Impedance Spectroscopy

Hongsi SHI, Xinwei SUN, Kai WANG

表1 CNN-BiLSTM-Attention的SOH预测评价指标

Tab. 1 SOH prediction evaluation indicators of CNN-BiLSTM-Attention

温度/℃ 电池 RMSE MAE R2 25 25C01 0.009 2 0.007 6 0.991 7 25C02 0.036 7 0.028 8 0.943 8 25C03 0.011 9 0.018 2 0.981 9 25C04 0.027 7 0.018 6 0.969 5 35 35C02 0.036 8 0.039 7 0.917 6 45 45C02 0.011 1 0.008 6 0.998 1