In a control device for a secondary battery, the secondary battery includes a monitoring sensor that detects battery information. An electronic control unit is configured to store first information. The electronic control unit is configured to set a lower-limit state of charge. The electronic control unit is configured to calculate a value of a rate of decrease of a full charging capacity using a value of the full charging capacity and to calculate a value of a state-of-charge variation using the value of the rate of decrease of the full charging capacity and the first information. The electronic control unit is configured to increase the lower-limit state of charge when the value of the state-of-charge variation is greater than a threshold value and to maintain the lower-limit state of charge when the value of the state-of-charge variation is less than the threshold value.


    Access

    Download


    Export, share and cite



    Title :

    CONTROL DEVICE FOR SECONDARY BATTERY, CONTROL METHOD OF SECONDARY BATTERY, BATTERY SYSTEM, AND MOTOR-DRIVEN VEHICLE


    Contributors:

    Publication date :

    2019-10-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / 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




    SECONDARY BATTERY CONTROL DEVICE AND SECONDARY BATTERY CONTROL SYSTEM

    SUZUKI KENTARO / HAYASHI MICHIYA | European Patent Office | 2023

    Free access

    CONTROL DEVICE FOR SECONDARY BATTERY, VEHICLE CONTROL APPARATUS, AND CONTROL METHOD FOR SECONDARY BATTERY

    MUROTA YOSUKE / KIBA DAISUKE | European Patent Office | 2022

    Free access

    SECONDARY BATTERY SYSTEM AND CONTROL METHOD FOR SECONDARY BATTERY

    MACHIDA KIYOHITO / TASHIRO HIROKI / UCHIDA YOSHIHIRO et al. | European Patent Office | 2020

    Free access