摘要
自电动汽车问世以来,锂离子电池一直是制约其发展的瓶颈。电化学阻抗谱是一种电化学测量手段,在锂离子电池的性能研究中越来越受重视。综述了锂离子电池阻抗谱动力学参数随SOC、充放电倍率、温度等影响因素的变化规律,以及在锂离子电池状态检测中的应用,并展望了电化学阻抗谱在锂离子电池研究上的发展方向。
Since the birth of electric vehicle, lithium-ion batteries are the bottleneck restricting the development of electric vehicle all the time. Electrochemical impedance spectroscopy(EIS) is one of the methods used in the measurement of electrochemical performance, and getting more and more attention in the research of lithium-ion batteries. The law between dynamic parameter of EIS and SOC, charge/discharge rate, temperature were reviewed and the application in detection of lithium-ion batteries state was summarized. The prospects of the EIS research on lithium-ion batteries were also discussed.
引文
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