This disclosure is directed toward traction battery packs that include energy absorbing structures for protecting the internal contents of the battery pack. An exemplary battery pack may include an enclosure assembly and one or more battery arrays that are housed within the enclosure assembly. The enclosure assembly includes an energy absorbing structure that may include a plurality of fluid filled unit cells. The stiffness of each fluid filled unit cell may be controlled by allowing fluid to be released from the unit cells during vehicle impact events, thereby absorbing impact energy that could otherwise be imparted inside the battery pack.


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    Title :

    ENERGY ABSORBING STRUCTURES FOR TRACTION BATTERY PACKS


    Contributors:
    KALRA ANIL (author) / ARORA RAHUL (author)

    Publication date :

    2021-05-06


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES



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