温度对锂离子电池脉冲充放电特性的影响

摘要

对锂离子电池脉冲充放电特性进行了实验研究，计算了电池在不同SoC(State of Charge)状态下的内阻和开路电压，建立了电池开路电压和内阻图谱。在5℃到45℃的温度范围内，研究了电池脉冲特性的变化规律。试验方法和电池脉冲特性参数计算方法以及实验结果可用于电池特性评估或电池数学模型的建立。�%Lithium ion Battery pulse charge and discharge characteristics are studied in this paper. The battery resistences and open circuit voltages in different SOCs are calculated and described in a map curve. The characteristics of battery is studied in different temperatures from 5℃ to 45℃. The battery test method and results can be used in battery evaluation and battery model development in EV or HEV applications.