电动汽车动力锂离子电池寿命预测方法研究  

Research of life prediction methods for power Li-ion battery in electric vehicles

作　　者：田君 高洪波[1] 张跃强[1] 王一拓[1] 胡道中[1,2] TIAN Jun;GAO Hong-bo;ZHANG Yue-qiang;WANG Yi-tuo;HU Dao-zhong(China North Vehicle Research Institute,Beijing 100072,China;Beijing Key Laboratory of Environmental Science and Engineering,School of Material Science and Engineering,Beijing Institute of Technology,Beijing 100081,China)

机构地区：[1]中国北方车辆研究所,北京100072 [2]北京理工大学材料学院,环境科学与工程北京重点实验室,北京100081

出　　处：《电源技术》2020年第5期767-770,共4页Chinese Journal of Power Sources

基　　金：国家重点研发计划项目(2017YFB0102105);国家自然科学基金项目(U1564206)。

摘　　要：对动力锂离子电池寿命预测的相关研究进展进行了综述。介绍了锂离子电池健康状态(SOH)衰减的机理和影响锂离子电池使用寿命的主要因素。重点介绍了动力锂离子电池寿命预测的方法,包括基于电池容量衰减的寿命预测模型、电池的健康状态估算和电池的加速寿命实验。展望了动力锂离子电池寿命预测方法在电池测试和产品开发方面的应用前景。The related research progress about life prediction of power lithium-ion battery was reviewed.The mechanisms of SOH decay of the lithium ion battery and the main factors affecting the life of the lithium ion battery were introduced.The method of life prediction for power lithium-ion battery was mainly introduced,including battery life estimation model based on capacity decay,SOH estimation and accelerated life test.The application prospects of power lithium-ion battery life prediction methods in battery testing and product development were presented.

关 键 词：电动汽车 动力锂离子电池 寿命预测 健康状态 

分 类 号：TM912[电气工程—电力电子与电力传动]