The invention relates to the technical field of battery management, and discloses a battery discharging method and device, a battery management system, a storage medium and a computer program product.The method comprises the steps that the current battery temperature and battery coefficients of a battery to be discharged are obtained, and the battery coefficients at least comprise the discharging current coefficient and diffusion activation energy; obtaining the actual safety current of the to-be-discharged battery according to the current battery temperature and the battery coefficient; when the discharge demand sent by the power drive control unit is received, the demand current is determined according to the discharge demand; the required current is compared with the actual safety current of the to-be-discharged battery, and the to-be-discharged battery is controlled to discharge according to the comparison result, so that the actual safety current of the to-be-discharged battery can be obtained according to the current battery temperature and the battery coefficient, and the required current is compared with the actual safety current of the to-be-discharged battery; and controlling the to-be-discharged battery to discharge according to the comparison result, thereby preventing battery over-discharge and ensuring the power performance of the vehicle.

    本申请涉及电池管理技术领域,公开了一种电池放电方法、装置、电池管理系统、存储介质及计算机程序产品,该方法包括:获取待放电电池的当前电池温度以及电池系数,电池系数至少包括:放电电流系数以及扩散活化能;根据当前电池温度以及电池系数获得待放电电池的实际安全电流;在接收到动力驱动控制单元发送的放电需求时,根据放电需求确定需求电流;将需求电流与待放电电池的实际安全电流进行比较,根据比较结果控制待放电电池进行放电,这说明本申请中可以根据当前电池温度以及电池系数获得待放电电池的实际安全电流,并将需求电流与待放电电池的实际安全电流进行比较,根据比较结果控制待放电电池进行放电,防止电池过放电保证车辆的动力性能。


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    Title :

    Battery discharging method and device, battery management system, storage medium and computer program product


    Additional title:

    电池放电方法、装置、电池管理系统、存储介质及计算机程序产品


    Contributors:
    SHEN XIAOCEN (author) / ZHOU ZHI (author) / CHEN CHONG (author) / SUN GUIXIAN (author) / ZHAO JIANXING (author)

    Publication date :

    2025-01-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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