The invention discloses a battery lithium precipitation detection method and device and electronic equipment. The method relates to the technical field of lithium ion batteries, and comprises the following steps: acquiring multiple groups of voltage data and corresponding multiple groups of capacity data of a vehicle battery; constructing a plurality of target voltage-capacity change rate curves based on the plurality of groups of voltage data and the plurality of groups of capacity data; determining peak values and valley values respectively included in the plurality of target voltage-capacity change rate curves; based on peak values and valley values included in the multiple target voltage-capacity change rate curves, a battery lithium precipitation detection result is determined, and the battery lithium precipitation detection result is used for indicating whether a lithium precipitation phenomenon exists in the vehicle battery or not. According to the invention, the technical problems of limited application scene and low accuracy of the detection result of the battery lithium precipitation detection method in the prior art are solved.

    本发明公开了一种电池析锂检测方法、装置及电子设备。涉及锂离子电池技术领域,该方法包括:获取车辆电池的多组电压数据,以及对应的多组容量数据;基于多组电压数据和多组容量数据,构建多条目标电压‑容量变化率曲线;确定多条目标电压‑容量变化率曲线中分别包括的峰值和谷值;基于多条目标电压‑容量变化率曲线中分别包括的峰值和谷值,确定电池析锂检测结果,其中,电池析锂检测结果用于指示车辆电池是否存在析锂现象。本发明解决了相关技术中的电池析锂检测方法存在的应用场景受限,且检测结果准确性低的技术问题。


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    Title :

    Battery lithium precipitation detection method and device and electronic equipment


    Additional title:

    电池析锂检测方法、装置及电子设备


    Contributors:
    ZHANG GUOXING (author) / TONG JIAJUN (author) / LEE KOK HOE (author) / XU JIAHUI (author) / GAO MUYUAN (author)

    Publication date :

    2024-04-09


    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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