基于充电过程的锂电池SOH估计和RUL预测

李放, 闵永军, 王琛, 张涌

State of health estimation and remaining useful life predication of lithium batteries using charging process

Fang LI, Yongjun MIN, Chen WANG, Yong ZHANG

表1 电池特征参数相关性分析结果

Table 1 Relevance analysis results of battery characteristic parameters

电池型号 相关性 分析方法 T∆V Temp t-max TCC V1000 SV TCV TCC/TCV Tempmax Tempaverage B0005 Pearson 0.9961 0.9958 0.9963 -0.9820 0.9965 -0.9115 -0.9822 -0.5038 0.0119 MIC 0.9727 0.9672 0.9727 0.9702 0.9727 0.8037 0.9422 0.6004 0.3803 B0006 Pearson 0.9899 0.9904 0.9906 -0.9788 0.9907 -0.9372 -0.9523 0.3451 0.2543 MIC 0.9727 0.9591 0.9727 0.9727 0.9727 0.8005 0.9349 0.3811 0.4040 B0007 Pearson 0.9890 0.9923 0.9929 -0.9680 0.9927 -0.8828 -0.9799 -0.4357 0.0948 MIC 0.9727 0.9807 0.9807 0.9546 0.9727 0.6998 0.8926 0.6124 0.4110 B0018 Pearson 0.9854 0.9876 0.9803 -0.9727 0.9819 -0.4089 -0.8854 -0.0236 0.1611 MIC 0.9791 0.9697 0.9697 0.9791 0.9697 0.7087 0.9632 0.1847 0.1197