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3 2块电池SOH预测评价指标

Tab. 3 SOH prediction evaluation indicators for two batteries

电池 训练集比例/% RMSE MAE R2 35C01 50 0.036 8 0.031 8 0.841 1 60 0.021 5 0.018 9 0.914 8 80 0.007 8 0.006 9 0.960 4 45C01 50 0.026 8 0.019 6 0.949 9 60 0.018 5 0.013 6 0.965 6 80 0.006 6 0.005 4 0.983 4