In order to distribute a stress applied to upper surfaces of secondary battery cells and protect them, power supply device (100) includes a plurality of secondary battery cells (1), a pair of end plates (20) that cover both end faces of battery stack (10) in which the plurality of secondary battery cells (1) are stacked, a plurality of fastening members (15) that fasten end plates (20) to each other, a plurality of pressing parts (15d) that press upper surfaces of the plurality of secondary battery cells (1) respectively, and buffer (30) interposed between pressing parts (15d) and the upper surfaces of secondary battery cells (1). Buffer (30) includes a plurality of covers made of resin, and a connecting part, having flexibility, for connecting two of the plurality of covers. Buffer (30) is configured such that each of the plurality of covers is disposed on the upper surface of corresponding one of secondary battery cells (1), and each of pressing part (15d) abuts on the upper surface of the corresponding cover.


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    Title :

    POWER SUPPLY DEVICE, VEHICLE HAVING SAME, AND BUFFER


    Additional title:

    STROMVERSORGUNGSVORRICHTUNG, FAHRZEUG DAMIT UND PUFFER
    DISPOSITIF D'ALIMENTATION ÉLECTRIQUE, VÉHICULE LE COMPRENANT ET TAMPON


    Contributors:

    Publication date :

    2021-10-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / 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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