锂离子电池快速充电系统技术研究  

Research on rapid charging system of lithium-ion battery

作　　者：龚瑞昆 徐广璐 GONG Ruikun;XU Guanglu(North China University of Science and Technology,Tangshan 063210,China)

机构地区：[1]华北理工大学,河北唐山063210

出　　处：《现代电子技术》2020年第22期27-29,35,共4页Modern Electronics Technique

基　　金：河北省自然科学基金(F2018209289)。

摘　　要：以电动汽车常用的锂离子电池为研究对象,针对充电过程中容易出现的问题,研究充电系统的快速充电方法及分段限压定电流间歇-正负脉冲充电法的参数。文中通过对锂离子电池快速充电的原理及方法、充电过程各参数的确定和快速充电硬件电路设计等方面的分析和研究,结合锂离子电池模型进行充电过程各参数的确定,采取分段限压定电流间歇-正负脉冲充电方法,建立充电系统主电路,在Matlab仿真条件下对主电路进行仿真实验,证实了搭建的充电系统快速充电的可行性和高效性。The lithium-ion batteries commonly used in electric vehicles are taken as the research object.In allusion to the problems that are easy to appear in charging process,the parameters of the rapid charging method and intermittent positive and negative pulse charging method with sectional voltage limiting and constant current are researched.The principle and method of lithium-ion battery fast charging,the determination of parameters in the charging process and the design of fast charging hardware circuit are analyzed and studied.The parameters of the charging process are determined in combination with the model of lithium ion battery.The main circuit of the charging system is established by adopting the intermittent positive and negative pulse charging method with sectional voltage limiting and constant current.The simulation experiment of main circuit is performed under the condition of Matlab simulation,which verifies the feasibility and efficiency of the fast charging system.

关 键 词：电动汽车 锂离子电池 快速充电系统 系统设计 充电参数确定 MATLAB仿真 

分 类 号：TN36-34[电子电信—物理电子学] TM910.6[电气工程—电力电子与电力传动]