Disclosed herein are a battery pack system to supply current necessary to operate an external device, the battery pack system including a battery module including a plurality of battery cells which can be charged and discharged, the battery module to supply power to the external device, a temperature sensor to detect the temperature of the battery module, an auxiliary power unit to supply a charge and discharge pulse current to the battery module, and a controller to connect the auxiliary power unit to the battery module so that the charge and discharge pulse current is supplied to the battery module when a measured temperature (T bat ) of the battery module is less than a set temperature (T crit ) based on information detected by the temperature sensor before the battery module is electrically connected to the external device and to interrupt the supply of the charge and discharge pulse current to the battery module when the temperature of the battery module becomes equal to or greater than the set temperature (T crit ) and an operating method of the same.


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    Title :

    BATTERY PACK SYSTEM FOR IMPROVING OPERATING PERFORMANCE USING INTERNAL RESISTANCE OF BATTERY


    Additional title:

    BATTERIEPACKSYSTEM FÜR VERBESSERTE BETRIEBSLEISTUNG MITHILFE DES INTERNEN BATTERIEWIDERSTANDS
    SYSTÈME DE BLOC-BATTERIE UTILISANT LA RÉSISTANCE INTERNE DE LA BATTERIE POUR AMÉLIORER LE FONCTIONNEMENT


    Contributors:
    LEE JIN KYU (author) / HEO JIN SEOK (author) / JANG MIN CHUL (author) / KANG DALMO (author)

    Publication date :

    2018-01-10


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



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