A method and apparatus for detecting lithium plating in a lithium battery are provided. This application relates to the field of battery technologies, and may be applied to a new energy vehicle, an electric vehicle, an intelligent vehicle, and a connected vehicle, to improve reliability of lithium plating diagnosis. The method includes: determining, based on a state of health SOH of a lithium battery, a temperature of the lithium battery, and a correspondence between the SOH of the lithium battery and the temperature of the lithium battery and a target parameter, a target parameter corresponding to the lithium battery (S301); substituting the target parameter corresponding to the lithium battery into a preset lithium plating estimation model, to obtain a lithium plating estimation model of the lithium battery (S302); entering a charge current of the lithium battery, a voltage of the lithium battery, the temperature of the lithium battery, and the SOH of the lithium battery into the lithium plating estimation model of the lithium battery, to obtain a real-time potential value of a negative electrode of the lithium battery (S303); and determining that lithium plating occurs in the lithium battery if the real-time potential value of the negative electrode of the lithium battery is less than zero (S304).


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    Titel :

    LITHIUM PLATING DETECTION METHOD AND APPARATUS FOR LITHIUM BATTERY


    Weitere Titelangaben:

    VERFAHREN UND VORRICHTUNG ZUR ERKENNUNG VON LITHIUMPLATTIERUNG FÜR EINE LITHIUMBATTERIE
    PROCÉDÉ ET APPAREIL DE DÉTECTION DE PLACAGE DE LITHIUM POUR BATTERIE AU LITHIUM


    Beteiligte:
    YUAN SHIFEI (Autor:in) / LIU BINGXIAO (Autor:in) / YANG RUI (Autor:in) / WU ZHIWEI (Autor:in)

    Erscheinungsdatum :

    09.10.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

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