摘要
伴随时代的进步,新能源汽车的相关技术在不停发展,所以动力电池作为新能源汽车的关键部分需要不断改进。新能源汽车电池荷电状态(SOC)的检测是电池管理系统的重要组成部分。提高电池SOC的测量精度将对延长电池循环使用寿命和提高安全性起到重要作用。锂电池以其高能量密度等优势在新能源汽车电池领域占据重要地位。笔者以锂电池作为研究对象,分析了锂电池SOC的估算算法和等效电路模型。
With the progress of the times,the related technology of new energy vehicles is developing continuously,and the power battery needs to be improved as a key part of new energy vehicles.The detection of state of charge(SOC)of battery in new energy vehicles is an important part of battery management system,and improving the measurement accuracy of battery SOC will play an important role in prolonging battery cycle life and improving safety.Lithium battery plays an important role in the field of new energy vehicle battery with its high energy density,and its application is wide.In this paper,lithium battery as the research object,the study and analysis of lithium battery SOC estimation algorithm and equivalent circuit model.
作者
程琳瑞
叶芯榕
程桂石
赵莹
田伟
CHENG Linrui;YE Xinrong;CHENG Guishi;ZHAO Ying;TIAN Wei(School of New Energy,North China Electric Power University,Beijing 102206;School of Control and Computer Engineering,North China Electric Power University,Beijing 102206;Nanjing Kopa System Technology Co.,Ltd.,Nanjing Jiangsu 211200,China)
出处
《蓄电池》
CAS
2021年第5期230-233,245,共5页
Chinese LABAT Man
关键词
锂电池
荷电状态
新能源
汽车
算法
等效电路模型
管理系统
lithium battery
state of charge
new energy
vehicle
algorithm
equivalent circuit model
management system
