Disclosed herein is a battery pack including a power supply unit including two or more battery cells or battery modules electrically connected to each other, at least one pressure driven switch configured to cause a short circuit in a portion or the entirety of the battery pack upon detecting expansion in volume of the battery cells or the battery modules when the power supply unit malfunctions, a cut-off portion located at at least one series connection region between the battery cells or the battery modules to interrupt electrical connection in the battery pack when the short circuit occurs in the battery pack, and external input and output terminals connected to electrode terminals located at outermost sides of the power supply unit to supply power to an external device.


    Access

    Download


    Export, share and cite



    Title :

    Battery pack of improved safety


    Contributors:
    LEE JIN KYU (author) / KANG DALMO (author) / CHOI JUNSEOK (author) / KIM SEONGTAE (author) / KIM TAEHYUCK (author) / ROH TAEHWAN (author)

    Publication date :

    2017-09-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

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



    BATTERY PACK HAVING IMPROVED SAFETY

    LEE JIN KYU / KANG DALMO / CHOI JUNSEOK et al. | European Patent Office | 2017

    Free access


    Battery pack controller - safety and reliability of battery pack

    SANJAY GUPTA | European Patent Office | 2020

    Free access

    Battery pack high-voltage safety protection structure, battery pack and vehicle

    LIU SUHONG / ZENG TING / LI PING et al. | European Patent Office | 2024

    Free access

    SAFETY DEVICE FOR BATTERY PACK

    European Patent Office | 2018

    Free access