The embodiment of the invention discloses a vehicle and an electrochemical impedance spectroscopy detection method, and belongs to the technical field of vehicles, the vehicle comprises a battery module and a battery management system, the battery management system is connected with the battery module, the battery management system is used for controlling the battery module to be in an impedance parameter measurement mode, and the battery module is connected with the battery management system. The working current of the battery module in the impedance parameter measurement mode is a target excitation current; and when the battery module is in the impedance parameter measurement mode, detecting a target voltage of the battery module, and obtaining an impedance parameter of the battery module according to the target excitation current and the target voltage. According to the invention, the battery management system in the vehicle can conveniently obtain the impedance parameter of the battery module in real time, so that the monitoring capability of the battery management system on the battery module is improved.

    本申请实施例公开了一种车辆及电化学阻抗谱检测方法,属于车辆技术领域,所述车辆包括:电池模组和电池管理系统,所述电池管理系统与所述电池模组连接,其中:所述电池管理系统,用于控制所述电池模组处于阻抗参数测量模式,所述电池模组处于所述阻抗参数测量模式下的工作电流为目标激励电流;以及,在所述电池模组处于所述阻抗参数测量模式的情况下,检测所述电池模组的目标电压,并根据所述目标激励电流和所述目标电压,获取所述电池模组的阻抗参数。本申请可以使得车辆中的电池管理系统能够实时、方便地获取到电池模组的阻抗参数,进而提高电池管理系统对电池模组的监控能力。


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    Titel :

    Vehicle and electrochemical impedance spectroscopy detection method


    Weitere Titelangaben:

    车辆及电化学阻抗谱检测方法


    Beteiligte:
    WANG LEI (Autor:in) / GUO HONGJIANG (Autor:in) / LI JIAJIE (Autor:in) / ZHAN DI (Autor:in) / WANG CHUYUAN (Autor:in)

    Erscheinungsdatum :

    13.05.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    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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