锂离子电池状态估算与寿命预测综述

Review of State Estimation and Life Prediction for Lithiumion Batteries

随着锂离子电池的广泛应用,其健康管理和寿命评估成为很多领域的挑战和热点问题。准确的电池状态估算与剩余使用寿命预测能让用户及时获取电池信息并更新失效电池,保障整个电池组的安全高效运行。为此,针对锂离子电池健康管理和寿命预测的研究现状进行分析,重点归纳和总结了锂离子电池剩余使用寿命预测的方法和应用现状,涵盖锂离子电池荷电状态与健康状态估算和剩余使用寿命预测2部分核心内容,总结其优势与局限性,并分析了未来的发展趋势和研究挑战。

Along with the wide applications of lithium-ion battery,its health management and life estimation have become a challenge and a research hotspot in many fields.An accurate battery state estimation and the prediction of remaining useful life(RUL)can enable users to timely obtain the battery information and update the failed battery to ensure the safe and efficient operation of the whole battery pack.On the basis of the above considerations,the research status of health management and life prediction for lithium-ion battery is analyzed.Specifically,the methods and application status of the prediction method for the RUL of lithium-ion batteries are summarized,including two key parts,i.e.,the estimation of their state-of-charge and state-of-health,and the prediction of RUL.The advantages and disadvantages are summarized,and the development trend and research challenges in the future are also analyzed.