The invention provides a battery monitoring method, a battery monitoring system and a vehicle. The method comprises the following steps: detecting parameters of a battery cell in each charging process of a battery; when it is detected that the parameters of the battery cell meet the detection precondition of the charging voltage change rate of the battery cell, the charging voltage change rate of the battery cell at the charging tail end is calculated, and under the condition that the detection precondition of the charging voltage change rate of the battery cell is met, the charging voltage change rate of the battery cell at the charging tail end is calculated; the charging voltage change rate of the battery cell at the charging tail end is directly proportional to the internal resistance of the battery cell; and monitoring the change trend of the internal resistance of the battery cell based on the charging voltage change rate of the battery cell during each charging so as to monitor the health state of the battery. According to the invention, the batteries with potential problems can be pre-judged and screened out in advance.

    本申请提供一种电池的监控方法、监控系统及车辆。该方法包括:在电池的每次充电过程中,检测电芯的参数;当检测到电芯的参数满足电芯的充电电压变化率的检测前置条件时,进行充电末端处电芯的充电电压变化率的计算,其中,在满足电芯的充电电压变化率的检测前置条件下,充电末端处所述电芯的充电电压变化率与所述电芯的内阻成正比例关系;及基于每次充电时的所述电芯的充电电压变化率来监控所述电芯的内阻的变化趋势,进而以对所述电池的健康状态进行监控。本申请能够提前预判筛选出有潜在问题的电池。


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    Title :

    Battery monitoring method, battery monitoring system and vehicle


    Additional title:

    电池的监控方法、监控系统及车辆


    Contributors:
    LI JUN (author)

    Publication date :

    2024-08-02


    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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