A battery diagnosis device for a battery including a parallel connection structure of unit cells according to an aspect of the present disclosure includes a data acquisition unit configured to collect charge/discharge data including a voltage time series indicating a time-dependent change of a voltage across the battery and a current time series indicating a time-dependent change of a charge/discharge current flowing through the battery; and a data processing unit configured to determine an estimated capacity value indicating a full charge capacity of the battery based on the charge/discharge data. The data processing unit is configured to diagnose an abnormality in the parallel connection structure by monitoring a time-dependent change of the estimated capacity value.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    BATTERY DIAGNOSIS DEVICE, BATTERY MANAGEMENT SYSTEM, BATTERY PACK, ELECTRIC VEHICLE, AND BATTERY DIAGNOSIS METHOD


    Weitere Titelangaben:

    BATTERIEDIAGNOSEVORRICHTUNG, BATTERIEVERWALTUNGSSYSTEM, BATTERIEPACK, ELEKTROFAHRZEUG UND BATTERIEDIAGNOSEVERFAHREN
    DISPOSITIF DE DIAGNOSTIC DE BATTERIE, SYSTÈME DE GESTION DE BATTERIE, BLOC-BATTERIE, VÉHICULE ÉLECTRIQUE ET PROCÉDÉ DE DIAGNOSTIC DE BATTERIE


    Beteiligte:
    KIM YOUNG-MIN (Autor:in) / SUNG YONG-CHUL (Autor:in) / KIM CHEOL-TAEK (Autor:in)

    Erscheinungsdatum :

    2023-10-04


    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



    Battery Diagnosis Device, Battery Management System, Battery Pack, Electric Vehicle And Battery Diagnosis Method

    KIM YOUNG-MIN / SUNG YONG-CHUL / KIM CHEOL-TAEK | Europäisches Patentamt | 2024

    Freier Zugriff

    BATTERY DIAGNOSIS DEVICE, BATTERY MANAGEMENT SYSTEM, BATTERY PACK, ELECTRIC VEHICLE, AND BATTERY DIAGNOSIS METHOD

    KIM YOUNG-MIN / SUNG YONG-CHUL / KIM CHEOL-TAEK | Europäisches Patentamt | 2023

    Freier Zugriff

    BATTERY DIAGNOSIS DEVICE BATTERY MANAGEMENT SYSTEM BATTERY PACK ELECTRIC VEHICLE AND BATTERY DIAGNOSIS METHOD

    KIM YOUNG MIN / SUNG YONG CHUL / KIM CHEOL TAEK | Europäisches Patentamt | 2023

    Freier Zugriff

    BATTERY DIAGNOSIS DEVICE, BATTERY DIAGNOSIS METHOD, BATTERY PACK, AND ELECTRIC VEHICLE

    KIM YOUNG-JIN | Europäisches Patentamt | 2024

    Freier Zugriff

    BATTERY DIAGNOSIS DEVICE, BATTERY PACK, ELECTRIC VEHICLE, AND BATTERY DIAGNOSIS METHOD

    LEE SUN-JONG / KIM CHEOL-TAEK / SUNG YONG-CHUL | Europäisches Patentamt | 2024

    Freier Zugriff