A battery module includes a lithium ion secondary battery and a control circuit. The control circuit includes a measurement unit which measures voltage, current, and the time of charge/discharge of the lithium ion secondary battery; an operation unit which calculates a capacity based on the voltage, the current, and the time and calculates a differential value dQ/dV by differentiating the capacity with a voltage; a threshold voltage setting unit which specifies a peak of a low capacity side of the differential value dQ/dV generated on the basis of a stage structure of graphite and sets a voltage at the peak to a threshold voltage; a cutoff voltage setting unit which sets a discharge cutoff voltage of the lithium ion secondary battery on the basis of the threshold voltage; and a charge/discharge control unit which controls charge/discharge of the lithium ion secondary battery on the basis of the discharge cutoff voltage.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    BATTERY MODULE AND ASSEMBLED BATTERY


    Beteiligte:
    TANAKA AKIHIDE (Autor:in) / YAGI YOHSHIN (Autor:in)

    Erscheinungsdatum :

    01.09.2016


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / 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 module and assembled battery

    TANAKA AKIHIDE / YAGI YOHSHIN | Europäisches Patentamt | 2018

    Freier Zugriff

    BATTERY MODULE AND ASSEMBLED BATTERY

    TANAKA AKIHIDE / YAGI YOHSHIN | Europäisches Patentamt | 2019

    Freier Zugriff

    Assembled battery, battery module, and manufacturing method for assembled battery

    MORIMITSU TAKATOSHI / MASUGI YUTAKA | Europäisches Patentamt | 2020

    Freier Zugriff

    ASSEMBLED BATTERY, BATTERY MODULE, AND MANUFACTURING METHOD FOR ASSEMBLED BATTERY

    MORIMITSU TAKATOSHI / MASUGI YUTAKA | Europäisches Patentamt | 2020

    Freier Zugriff

    BATTERY MODULE ASSEMBLED WITH HINGE

    Europäisches Patentamt | 2019

    Freier Zugriff