A battery management system according to one aspect includes: an acquisition unit configured to acquire reference data indicating a state of a rechargeable battery in a reference period and target data indicating a state of the rechargeable battery in a target period that is after the reference period; a characteristic calculation unit configured to calculate a characteristic value corresponding to a state of charge of the rechargeable battery in the reference period as a reference characteristic value based on the reference data, and calculate a characteristic value corresponding to a state of charge of the rechargeable battery in the target period as a target characteristic value based on the target data; and a ratio calculation unit configured to calculate a ratio indicating a relationship between the reference characteristic value and the target characteristic value, as a reference value for predicting a lifespan of the rechargeable battery.


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    Title :

    BATTERY MANAGEMENT SYSTEM, BATTERY MANAGEMENT METHOD, AND BATTERY MANAGEMENT PROGRAM


    Contributors:

    Publication date :

    2024-11-07


    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



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    OOFUNE YUU / KUNIKATA YUUHEI / HARA TAKASHI et al. | European Patent Office | 2021

    Free access

    BATTERY MANAGEMENT DEVICE, BATTERY MANAGEMENT METHOD AND BATTERY MANAGEMENT PROGRAM

    OFUNA HISASHI / KUNIKATA YUHEI / HARA TAKASHI et al. | European Patent Office | 2021

    Free access