To enhance the crashworthiness of electric vehicles, designing the optimized and safer battery pack is very essential. The deformed battery cell can result in catastrophic events like thermal runaway and thus it becomes crucial to study the mechanical response of battery cell. The goal of the research is to experimentally investigate the effect of mechanical deformation on Lithium-ion battery cell. The paper thoroughly studies the phenomenon of short circuiting at the time of failure. Various experiments are carried on 18650 cylindrical cells (NCA chemistry) under custom designed fume hood. The setup captures the failure modes of battery cell. The loading conditions have been designed considering the very possible physical conditions during crash event. The study has been done for radial compression, semicircular indentation, hemispherical indentation, flat circular indentation and case of three-point bending. A detailed computation model is developed to study the characteristic behavior under macro level deformation. The experimental results are validated with these simulated results.


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    Titel :

    Failure of Li-Ion 18650 Cylindrical Cells Subjected to Mechanical Loading and Computational Model Development


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Murugkar, Milind (Autor:in) / Mahajan, Rahul (Autor:in) / H, Rajesh (Autor:in) / Aphale, Siddharth (Autor:in) / Dandge, Sunil (Autor:in) / Nandurdikar, Vijay (Autor:in)

    Kongress:

    Symposium on International Automotive Technology ; 2021



    Erscheinungsdatum :

    22.09.2021




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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