The invention provides a lithium precipitation detection method and device, a battery assembly, a vehicle and a readable storage medium, and the method comprises the steps: S10, carrying out the discharge operation of a battery pack, and collecting a voltage signal and a time signal during the discharge operation; s20, performing differential processing on the voltage signal and the time signal to obtain a differential curve during the discharge operation; and S30, when a regional minimum value appears in the differential curve, generating a lithium precipitation signal. According to the lithium precipitation detection method and device, the battery assembly, the vehicle and the readable storage medium, the technical problem of electric vehicle lithium precipitation quantitative detection can be solved, and the safety early warning function is achieved.

    本申请提供一种析锂检测方法、装置、电池组件、车辆及可读存储介质,所述析锂检测方法包括:S10:对电池包进行放电操作,并采集所述放电操作期间的电压信号和时间信号;S20:对所述电压信号和所述时间信号进行微分处理,以获取所述放电操作期间的微分曲线;S30:在所述微分曲线中出现区域极小值时,生成析锂信号。本申请提供的析锂检测方法、装置、电池组件、车辆及可读存储介质能解决电动汽车析锂定量检测的技术难题,实现安全预警功能。


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    Title :

    Lithium precipitation detection method and device, battery assembly, vehicle and readable storage medium


    Additional title:

    析锂检测方法、装置、电池组件、车辆及可读存储介质


    Contributors:
    SHI LIURONG (author) / ZHOU DEHUA (author) / YUAN CHANGFU (author)

    Publication date :

    2023-02-03


    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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