Provided is a battery management device capable of effectively utilizing battery performance while securing battery life. The battery management device includes: a divergence amount calculation unit 106 that calculates a divergence amount Z between a life target value or a degradation amount target value of a storage battery, which is a secondary battery, and a life prediction value or a degradation amount prediction value according to use history of the storage battery in an arbitrary period from the past to the present; and a limit value change unit 108 that changes charge/discharge limit values L 1A and L 2A for controlling degradation of the storage battery based on the divergence amount Z calculated by the divergence amount calculation unit 106. The limit value change unit 108 includes a first limit value calculation unit 1082 that calculates a first limit value set that is a combination of the charge/discharge limit values L 1A and L 2A for each of a plurality of types of control parameters that change in correlation with each other based on the divergence amount Z.


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    Titel :

    BATTERY MANAGEMENT DEVICE, BATTERY SYSTEM, AND HYBRID VEHICLE CONTROL SYSTEM



    Medientyp :

    Patent


    Format :

    Elektronische Ressource



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