The invention discloses an abnormal battery cell identification method, computer equipment and a computer readable storage medium, and belongs to the technical field of power batteries, the identification method comprises the following steps: obtaining voltage data of a plurality of battery cells, and calculating a voltage drop of each battery cell under a standing condition based on the voltage data; for each battery cell, polymerizing the voltage drops under the plurality of standing working conditions in a first preset time period to obtain a polymerization result; and identifying an abnormal battery cell from the plurality of battery cells based on the aggregation result of each battery cell. The abnormal battery cell data is identified by using the outlier degree of the voltage drop of the battery cells in the battery pack under the standing working condition, the data validity is good, the identification result accuracy is high, and the use safety of the battery pack is ensured.

    本申请公开的一种异常电芯识别方法、计算机设备及计算机可读存储介质,属于动力电池技术领域,所述识别方法包括:获取多个电芯的电压数据,基于电压数据计算每个电芯在静置工况下的电压降;针对每个电芯,对第一预设时间周期内的多个静置工况下的电压降进行聚合得到聚合结果;基于每个电芯的聚合结果,从多个电芯中识别异常电芯。本申请利用电池包内电芯在静置工况下的电压降的离群程度来识别异常电芯数据,数据有效性好,识别结果准确性高,并且保证了电池包使用安全。


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    Title :

    Abnormal battery cell identification method, computer equipment and computer readable storage medium


    Additional title:

    异常电芯识别方法、计算机设备及计算机可读存储介质


    Contributors:
    ZHONG HAOYU (author)

    Publication date :

    2025-01-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / 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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