电动汽车锂离子电池集总参数RC等效电路模型  

RC equivalent circuit model of lumped parameters for lithium ion batteries in electric vehicles

作　　者：任晓霞[1] 郭王娜 REN Xiaoxia;GUO Wangna(College of Electronic and Electrical Engineering,Chongqing College of Arts and Sciences,Chongqing 402160,China)

机构地区：[1]重庆文理学院电子电气工程学院

出　　处：《储能科学与技术》2019年第5期930-934,共5页Energy Storage Science and Technology

基　　金：国家自然科学基金(51505086);重庆市教育委员会科学技术研究项目(KJ1601118);重庆文理学院校级项目(Z2018DQ04)

摘　　要：本项目以纯电动汽车锂离子动力电池集总参数RC等效电路模型为研究对象,在传统模型基础上,考虑了电池的极化效应特性和迟滞电压特性,创建一种新的锂离子动力电池动态等效电路模型;基于实验测试,对该模型参数进行了辨识,并通过实验分析验证,该模型的估算误差为2%,比传统一阶及二阶模型准确,比三阶RC模型简单。This article studied the RC equivalent circuit model of lumped parameters for lithium-ion batteries in electric vehicles.On the base of the traditional battery models,this research creates a new dynamic equivalent circuit model of lithium-ion power battery considering the polarization effect and hysteresis voltage characteristics of battery.Model’s parameters were identified by tests.The estimated error of this model is 2%through experimental analysis,which is more accurate than the traditional first-order and second-order models and simpler than the third-order RC model.

关 键 词：极化效应 迟滞电压 等效电路模型 

分 类 号：TM615[电气工程—电力系统及自动化]