An internal short-circuit detection method for a battery cell of a battery pack is determined using a battery cell charge balancing resistor and switch. The switch is used for connecting or disconnecting the battery cell charge balancing resistor to the battery cell. Evolution of discharging of the battery with the battery cell-charge balancing resistor connected to the battery cell is monitored to measure an internal short-circuit resistance of the battery cell for estimating the state of the internal short-circuit.


    Access

    Download


    Export, share and cite



    Title :

    Battery internal short-circuit detection method based on cell charge balancing


    Contributors:
    LI YONGHUA (author) / ZHANG ZHIWEI (author)

    Publication date :

    2017-09-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / 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 INTERNAL SHORT CIRCUIT DETECTION AND MITIGATION

    ZHU DI / TABATOWSKI-BUSH BENJAMIN A | European Patent Office | 2023

    Free access

    Battery internal short circuit detection and mitigation

    ZHU DI / TABATOWSKI-BUSH BENJAMIN A | European Patent Office | 2023

    Free access

    Autonomous charge balancing circuit and method for battery pack

    TABATOWSKI-BUSH BENJAMIN A / TRAN TUYEN QUOC | European Patent Office | 2016

    Free access

    Margin-based battery charge balancing

    DIAMOND STEVEN / RISK GABRIEL / HU STANLEY et al. | European Patent Office | 2017

    Free access

    Method and apparatus for battery cell charge balancing

    BUNNELL JUSTIN / SEEMAN GARRETT M / CHO JOSEPH | European Patent Office | 2021

    Free access