关于锂离子电池健康状态预测方法的研究进展

摘要

锂离子电池寿命对于实际应用至关重要,研究其寿命影响因素,并进行精准寿命预测,对于提升电池组使用可靠性和降低电池组成本具有重要的意义.立足应用,简要分析了电池性能衰退机理,重点综述了预测电池日历寿命和循环寿命方法的研究进展.还对电池寿命测试和电池全寿命周期性能估计中的关键问题和研究方向进行了探讨.%The lifespan was a critical parameter for lithium ion battery.It was of great importance to investigate its influencing factors and develop accurate prediction methods for safe and economical applications of lithium ion batteries.The degradation mechanism,particularly the methods reported to predict the state of health of lithium-ion batteries were summarized from the perspective of battery management and applications.Finally,the research directions of testing and life cycle performance estimation were further discussed.