电动汽车锂电池健康状态估算方法研究  

Research on estimation method of healthy status for EV lithium battery

作　　者：杨刘倩 詹昌辉 卢雪梅 

机构地区：[1]合肥国轩高科动力能源股份公司工程研究院,安徽合肥230011

出　　处：《电源技术》2016年第4期823-825,853,共4页Chinese Journal of Power Sources

基　　金：国家"863"计划项目(2012AA110407)

摘　　要：实时监控电动汽车动力锂电池的健康状态不仅为电动汽车的维护提供便捷,且为能量均衡、SOC估算及保障电池组整体性能提供依据。描述了锂电池组健康状态(SOH)定义、总结锂电池SOH的主要影响因素,对比相关SOH模型优缺点及可行性,描述了基于Matlab建立自适应的锂电池SOH数学模型建立方法及过程,并介绍锂电池SOH的估算算法设计流程,并经实测数据验证对比分析估算结果。Monitoring the healthy status of lithium battery of electric vehicle in real time not only provides convenient for the maintenance of electric vehicles, but also provides the basis for balancing energy, estimation of SOC and ensuring the whole performance of the battery. The definition was described,and the main factors affecting the state of Healthy（SOH） of lithium battery was summered. The advantages and disadvantages and feasibility of the mathematical models of lithium battery SOH were compared. The construction method and process of the adaptive SOH model based on Matlab was described. The design process of estimation algorithm of the lithium battery SOH was introduced,and the result was verified and compared by the measured data.

关 键 词：电动汽车 锂电池 SOH 自适应模型 估算方法 

分 类 号：TM91[电气工程—电力电子与电力传动]