Fast charging of lithium-ion battery (LIB) is an enabling technique for the popularity of electric vehicles (EVs). However, utmost pursuit of the charging rapidity can violate the physical limits of LIB, and induces irreversible degradation or even hazardous safety issues. Motivated by this, this paper proposes an electrochemical-aware constant overpotential fast charging strategy to mitigate the lithium plating in LIB during high-rate charging. In particular, an electrochemical model is built to keep awareness of the inner physical statues of LIB. Following this endeavour, a state-of-the-art twin delayed deep deterministic policy gradient (TD3) algorithm is exploited to determine the fast charging strategy, which can accelerate the charging while constrain the side reaction overpotential within a safe range. Results reveal that the proposed strategy outperforms the traditional constant-current-constant-voltage (CCCV) charging protocols in terms of the charging speed and lithium plating suppression.


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    Titel :

    Constant Overpotential Fast Charging for Lithium-Ion Battery with Twin Delayed DDPG Algorithm


    Beteiligte:
    Yang, Xiaofeng (Autor:in) / Wei, Zhongbao (Autor:in) / Du, Liang (Autor:in)


    Erscheinungsdatum :

    15.06.2022


    Format / Umfang :

    2034587 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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