Lithium-ion battery is one of the key components in electric vehicles which has been widely used as the carrier for transportation electrification. Prolonging lifetime of lithium-ion batteries will significantly reduce the resulting economic burden and promote the large-scale development of electric vehicles. In this study, cycle life tests are conducted on commercial batteries, which reveals that loss of electrolyte is one of the key reasons leading to a rapid battery degradation. A method using electrolyte refilling is proposed, and it is found that the method protects the cells from rapid decay. After refilling electrolyte, the internal resistance decreases by 64.5%, and the cycle lifetime increases by more than 600 cycles. The electrolyte refilling method improve the feasibility of battery second utilization, improving the environmental friendliness of electric vehicles.


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    Titel :

    Electrolyte refilling to prolong lithium-ion battery lifetime for Electric Vehicles


    Beteiligte:
    Jin, Yiqun (Autor:in) / Zhu, Jiangong (Autor:in) / Fan, Wenjun (Autor:in) / Wang, Xiuwu (Autor:in) / Zhang, Jie (Autor:in) / Ye, Mingxuan (Autor:in) / Wei, Xuezhe (Autor:in) / Dai, Haifeng (Autor:in)


    Erscheinungsdatum :

    10.10.2024


    Format / Umfang :

    840624 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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