Disclosed are a battery diagnosis apparatus and a battery diagnosis method. The battery diagnosing apparatus according to the present invention comprises: a processor that controls a stimulus application apparatus to intermittently apply a second electrical stimulus greater than a first electrical stimulus to a target cell during a state change period; and a communication unit that acquires current time-series data during the state change period and voltage time-series data indicating a change history of a full-cell voltage of the target cell at dormancies of the second electrical stimulus applied during the state change period. The processor generates a measurement full-cell profile on the basis of the current time-series data and the voltage time-series data, and estimates a positive electrode scale factor by analyzing the measurement full-cell profile.

    L'invention concerne un appareil de diagnostic de batterie et un procédé de diagnostic de batterie. L'appareil de diagnostic de batterie selon la présente invention comprend : un processeur qui commande un appareil d'application de stimulus pour qu'il applique par intermittence un second stimulus électrique supérieur à un premier stimulus électrique à une cellule cible pendant une période de changement d'état ; et une unité de communication qui acquiert des données de série chronologique actuelles pendant la période de changement d'état et des données de série chronologique de tension indiquant un historique de changement d'une tension de cellule complète de la cellule cible à des dormances du second stimulus électrique appliqué pendant la période de changement d'état. Le processeur génère un profil de cellule complète de mesure sur la base des données de série chronologique actuelles et des données de série chronologique de tension, et estime un facteur d'échelle d'électrode positive par analyse du profil de cellule complète de mesure.

    배터리 진단 장치 및 배터리 진단 방법이 개시된다. 본 발명에 따른 상기 배터리 진단 장치는, 상태 변화 기간 동안, 대상 셀에 제1 전기 자극보다 큰 제2 전기 자극을 간헐적으로 인가하도록 자극 인가 장치를 제어하는 프로세서, 및 상기 상태 변화 기간 동안의 전류 시계열 데이터 및 상기 상태 변화 기간에 부여된 상기 제2 전기 자극의 휴지기들에서의 상기 대상 셀의 풀셀 전압의 변화 이력을 나타내는 전압 시계열 데이터를 획득하는 통신부를 포함한다. 상기 프로세서는, 상기 전류 시계열 데이터 및 상기 전압 시계열 데이터를 기초로 측정 풀셀 프로파일을 생성하고, 상기 측정 풀셀 프로파일을 분석하여 양극 스케일 팩터를 추정한다.


    Access

    Download


    Export, share and cite



    Title :

    BATTERY DIAGNOSIS APPARATUS AND BATTERY DIAGNOSIS METHOD


    Additional title:

    APPAREIL DE DIAGNOSTIC DE BATTERIE ET PROCÉDÉ DE DIAGNOSTIC DE BATTERIE
    배터리 진단 장치 및 배터리 진단 방법


    Contributors:

    Publication date :

    2025-04-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    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



    BATTERY DIAGNOSIS APPARATUS AND BATTERY DIAGNOSIS METHOD

    European Patent Office | 2025

    Free access

    BATTERY DIAGNOSIS APPARATUS AND BATTERY DIAGNOSIS METHOD

    YOON SEO-YOUNG / CHOI SOON-HYUNG / KIM YOUNG-DEOK | European Patent Office | 2025

    Free access

    BATTERY DIAGNOSIS APPARATUS AND BATTERY DIAGNOSIS METHOD

    KIM JI YEON / KIM YOUNG DEOK / PARK JUN CHEOL | European Patent Office | 2025

    Free access

    BATTERY DIAGNOSIS METHOD AND BATTERY DIAGNOSIS APPARATUS

    YOON SEO YOUNG / CHOI SOON HYUNG / KIM YOUNG DEOK | European Patent Office | 2025

    Free access

    BATTERY DIAGNOSIS METHOD AND BATTERY DIAGNOSIS APPARATUS

    KIM JI-YEON / KIM YOUNG-DEOK / PARK JUN-CHEOL | European Patent Office | 2025

    Free access