A battery system comprises one or more lithium ion secondary batteries, charge and discharge control means, and internal resistance detecting means. The charge and discharge control means comprises a plurality of mode control means including first mode control means and second mode control means, mode selecting means for selecting one mode control means to be used from the plurality of mode control means, wherein a discharge current by the second mode control means is made smaller on a predetermined discharge conditions and equal to or smaller on other discharge conditions than a discharge current by the first mode control means, and the mode selecting means is configured to select the second mode control means when the internal resistance detecting means detects or estimates that the internal resistance is relatively high, and to select the first mode control means when the internal resistance detecting means detects or estimates that the internal resistance is relatively low.


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    Title :

    Battery system, vehicle, and battery mounted device


    Additional title:

    Batteriesystem, Fahrzeug und auf einer Batterie montierte Vorrichtung dafür
    Système de batterie, véhicule et dispositif monté sur batterie


    Contributors:

    Publication date :

    2017-10-04


    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 / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



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