根据动力锂离子电池充放电特性建立了一种采用快慢电容回路模拟充放电双时间常数动力锂电池的电池模型.详述了模型建立的理论推导过程,经仿真表明,该模型能够准确地反映动力锂电池充电及放电特性以及荷电状态(SOC)的动态变化.According to charging and discharging characteristics of lithium batteries,this paper develops a lithium battery model to simulate the charge and discharge process with fast and slow capacitance double-time constant circuit,and details the theoretical derivation procedure that has developed the model.The simulation result shows that the model can accurately reflect lithium battery charge and discharge characteristics and dynamic changes of the charge state.厦门市科技计划项目(3502Z20123013