Lithium-ion battery packs comprise a significant share of an electric vehicle’s cost, especially for low-cost variants such as those used for public transportation (e.g. jeepneys in the Philippines). These can easily occupy 40% of the vehicle’s cost. In this regard, it is very important to ensure the longevity of the battery cells. Lithium-ion cells which are poorly-managed thermally risk having to be replaced sooner than their intended usable life. Thus, proper attention must be given to the design of the battery packs to allow effective and efficient cooling. This study performed a cooling simulation on prismatic lithium iron phosphate cells using ANSYS Workbench. The simulation looked into (1) the effect of the layout of the cells; (2) the thickness of cooling fins; and (3) the temperature and flow rate of the cooling fluid to the thermal profile of the battery pack. The simulations successfully showed that the recommended operating temperature can be obtained even with a compact layout and using thin cooling fins. Practical considerations such as space constraints on the vehicle and weight of the battery pack outweigh the technical benefits of improved heat transfer efficiency using a more spaced-out battery layout and thicker cooling fins.


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    Titel :

    Thermal analysis of an EV lithium iron phosphate battery pack for improved cooling




    Erscheinungsdatum :

    28.11.2023


    Format / Umfang :

    1137093 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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