A power supply device connects a plurality of battery modules (10) including a plurality of battery cells (1) by power line (42). Battery module (10) includes cell monitor circuit (6) that detects battery information, and a plurality of cell monitor circuits (6) provided in each battery module (10) are cascade-connected via communication line (44). Cell monitor circuit (6) includes communication interface (48) including connection parts (43) formed by connecting communication line (44), and communication interface (48) sets a withstand voltage applied to connection part (43) to be higher than an output voltage of the power supply device.


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    Title :

    POWER SUPPLY DEVICE, ELECTRIC VEHICLE PROVIDED WITH POWER SUPPLY DEVICE, AND POWER STORAGE DEVICE


    Contributors:
    ASAKURA JUN (author) / YANO JUNYA (author)

    Publication date :

    2023-05-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    POWER SUPPLY DEVICE, ELECTRIC VEHICLE PROVIDED WITH POWER SUPPLY DEVICE, AND POWER STORAGE DEVICE

    KOGAMI NAO / HARAZUKA KAZUHIRO / FUJINAGA KOJI | European Patent Office | 2024

    Free access

    POWER SUPPLY DEVICE, ELECTRIC VEHICLE PROVIDED WITH POWER SUPPLY DEVICE, AND POWER STORAGE DEVICE

    KOGAMI NAO / HARAZUKA KAZUHIRO / FUJINAGA KOJI | European Patent Office | 2021

    Free access

    POWER SUPPLY DEVICE, ELECTRIC VEHICLE PROVIDED WITH POWER SUPPLY DEVICE, AND POWER STORAGE DEVICE

    KOGAMI NAO / HARAZUKA KAZUHIRO / FUJINAGA KOJI | European Patent Office | 2023

    Free access

    POWER SUPPLY DEVICE, AND POWER STORAGE DEVICE AND ELECTRIC VEHICLE PROVIDED WITH POWER SUPPLY DEVICE

    KOGAMI NAO / HARAZUKA KAZUHIRO / FUJINAGA KOJI | European Patent Office | 2023

    Free access

    POWER SUPPLY DEVICE, AND POWER STORAGE DEVICE AND ELECTRIC VEHICLE PROVIDED WITH POWER SUPPLY DEVICE

    KOGAMI NAO / HARAZUKA KAZUHIRO / FUJINAGA KOJI | European Patent Office | 2024

    Free access