Power supply device includes: a plurality of secondary battery cells each having a prismatic exterior can and constant cell thickness; a pair of end plates covering both end surfaces of battery stack body in which the plurality of secondary battery cells are stacked; and a plurality of fastening members each having a plate shape extending in a stack direction of the plurality of secondary battery cells and disposed on an opposing side surface of battery stack body to fasten end plates to each other. Each of the plurality of fastening members has wavy portion in which a plurality of wavy pieces bent in a cross-sectional view are periodically disposed at an interval according to the cell thickness.


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    Title :

    POWER SOURCE DEVICE, AND ELECTRIC VEHICLE AND ELECTRICITY STORAGE DEVICE EMPLOYING SAME


    Contributors:

    Publication date :

    2022-06-02


    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung





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