The invention provides a method and device for correcting the remaining capacity of a battery, a battery management system, a battery pack, an electric vehicle and a storage medium, and the method comprises the steps: monitoring the working current of the battery in the charging or discharging process of the battery; if the variation amplitude of the working current of the battery meets a current steady-state condition, determining a target open-circuit voltage corresponding to the battery according to the battery state information of the battery; and according to a standard corresponding relation between the open-circuit voltage and the residual electric quantity, determining a target residual electric quantity corresponding to the target open-circuit voltage, and correcting the residual electric quantity estimated value of the battery according to the target residual electric quantity. According to the embodiment of the invention, the residual electric quantity of the battery can be corrected in the charging or discharging process, so that the correction opportunity of the residual electric quantity of the battery can be increased, and the estimation precision of the residual electric quantity of the battery can be improved.

    本公开提供了一种电池剩余电量的修正方法、装置、电池管理系统、电池包、电动汽车及存储介质,该方法包括:在电池的充电或放电过程中,监测所述电池的工作电流;若所述电池的工作电流的变化幅度满足电流稳态条件,则根据所述电池的电池状态信息,确定所述电池对应的目标开路电压;根据开路电压和剩余电量之间的标准对应关系,确定与所述目标开路电压相对应的目标剩余电量,并以所述目标剩余电量对所述电池的剩余电量估算值进行修正。本公开实施例,可以在的充电或放电过程中对电池的剩余电量进行修正,进而可以增加对电池的剩余电量的修正机会,有助于提升电池剩余电量的估算精度。


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    Titel :

    Method, device and system for correcting remaining capacity of battery, automobile and medium


    Weitere Titelangaben:

    电池剩余电量的修正方法、装置、系统、汽车及介质


    Beteiligte:
    CHEN BIN (Autor:in) / SUN PINGCHAO (Autor:in)

    Erscheinungsdatum :

    2023-11-17


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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