锂离子蓄电池PNGV等效电路模型构建方法研究

Lithium-ion Battery PNGV Equivalent Circuit Model Construction Method Study

针对锂电池研究中几种等效电路模型,确定一种最优的模型。通过理论分析和公式推导,对几种等效电路模型的比较,然后再通过建模仿真验证,最终得出锂电池PNGV等效电路模型,能最精确的表征锂电池放电过程中任意时刻的动态响应,确定其是最佳模型。锂电池等效电路模型,将电池的性能与各参数进行联系,最佳模型的确定有助于对电池各方面研究更加精确。

Forseveral kinds of equivalent circuit of lithium battery model, determining an optimal model.Compare several equivalent circuit models by theoretical analysis and formula deduction, and then verifying it by modeling and simulation. Eventually determine that lithium batteryPNGVequivalent circuit model is the best due to that it can characterize the dynamic response of arbitrary moment during lithium battery discharge process most accurately.Parameterscontact with the performance of the battery through equivalent circuit model, so determine the best model can help for all aspects of the battery research more precise.