In this paper, the behaviour of lithium-ion batteries aged with an accelerated (charge/discharge) and a realistic (drive cycle) protocol is compared using Electrochemical Impedance Spectroscopy (EIS) characterization. Two equivalent circuit models are used to further analyse degradation trends. The results show increased impedances for drive cycle aged batteries above 90% State of Health (SoH) compared to charge/discharge aged cells at the same SoH. Below 90% SoH, the opposite is found, with charge/discharged aged cells showing higher impedance.


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    Title :

    EIS from Accelerated and Realistic Battery Aging


    Contributors:


    Publication date :

    2021-06-21


    Size :

    3354903 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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