A lithium ion battery control system includes a degradation rate calculating unit, a degradation rate storage unit, a degradation rate comparing unit, a charging and discharging control circuit, and a rechargeable battery. The degradation rate calculating unit calculates a degradation rate when receiving a trigger for starting the check of the degradation rate of the battery. The degradation rate comparing unit receives a present degradation rate from the degradation rate calculating unit and a previous degradation rate from the degradation rate storage unit and compares both degradation rates. As a result, when the present degradation rate is greater than the previous degradation rate by a predetermined value, a charging and discharging condition is limited.


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    Titel :

    Lithium ion battery control system and assembled battery control system


    Beteiligte:
    TANAKA AKIHIDE (Autor:in) / NISHIMURA ETSUKO (Autor:in)

    Erscheinungsdatum :

    06.10.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / 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



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