锂电池SOC预测方法综述  

Review of state of charge estimation methods for lithium battery

作　　者：张持健[1] 陈航[1] 

机构地区：[1]安徽师范大学物电学院,安徽芜湖241000

出　　处：《电源技术》2016年第6期1318-1320,1333,共4页Chinese Journal of Power Sources

摘　　要：锂电池荷电状态(SOC)是锂电池管理系统的重要参数,锂电池SOC实时预测关系到电池充放电控制和电动汽车的优化管理,直接影响锂电池的使用寿命。锂电池的SOC受放电电流、内部温度、自放电、老化等因素的影响,使得锂电池的实际容量难以确定。综述了目前锂电池SOC的各种预测方法,并进行比较,指出了各类方法存在的问题,给出了未来锂电池SOC预测方法的发展趋势。Lithium battery SOC（state of charge） is an important parameter in lithium battery management systems.Lithium battery SOC real-time estimation refers to the battery charge and discharge control and optimal management of electric vehicles,and it has a direct impact on the life of lithium batteries.Lithium battery SOC state is affected by internal temperature,self-discharge,the effects of aging and other factors,making it difficult to determine the actual capacity of the lithium battery.The various estimation methods for lithium battery SOC were described and compared.The problems of all kinds of methods were pointed out.The future trends of lithium battery SOC estimation methods were given.

关 键 词：SOC 预测方法 剩余容量 

分 类 号：TM912[电气工程—电力电子与电力传动]