2阶RC电池模型.动力锂离子电池二阶等效电路模型（MATLAB/simulink环境下运行）(lithium_cell_2RC.Lithium-ion battery second-order equivalent circuit model (running MATLAB/under simulink environment))

离线辨识的二阶电池模型的参数，可以实现EKF的soc估算(Off-line identification of parameters of second-order battery model can realize SOC estimation of EKF)