The invention relates to the technical field of power batteries, in particular to a battery cell anomaly detection method and device, a vehicle and a storage medium, and the method comprises the steps: identifying one or more battery cells of a power battery; calculating a target voltage ratio between the positive and negative poles in each battery cell and the outer aluminum shell of the power battery; and determining a target cell with an abnormal insulation state according to the target voltage ratio. Therefore, the problem of how to accurately detect the abnormal battery cell and avoid safety accidents caused by insulation failure is solved.

    本申请涉及动力电池技术领域,特别涉及一种电芯的异常检测方法、装置、车辆及存储介质,其中,方法包括:识别动力电池的一个或多个电芯;计算每个电芯中正负极极柱和动力电池的外铝壳体之间的目标电压比值;根据目标电压比值确定绝缘状态异常的目标电芯。由此,解决了如何实现异常电芯的准确检测,实现避免因绝缘失效引发安全事故的问题。


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    Title :

    Battery cell anomaly detection method and device, vehicle, storage medium and product


    Additional title:

    电芯的异常检测方法、装置、车辆、存储介质及产品


    Contributors:
    FANG LEI (author) / HAN YOUGUO (author) / WANG XIAOYA (author) / ZHA QIANYU (author)

    Publication date :

    2025-01-14


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

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



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