To measure the internal resistance of a secondary battery with a small load in an electric vehicle having a fuel cell and a secondary battery that can be charged by the fuel cell.SOLUTION: An internal resistance measuring device switches the power generation profile of a fuel cell 6 between voltage control and current control according to the humidity of the fuel cell 6 to perform pulse charge for the secondary battery 5, and measures the internal resistance of the secondary battery 5.SELECTED DRAWING: Figure 1

    【課題】燃料電池と、燃料電池によって充電されうる二次電池とを有する電気自動車において、少ない負荷で前記二次電池の内部抵抗を測定する。【解決手段】燃料電池6の湿度に応じて燃料電池6の発電プロファイルを電圧制御と電流制御とのいずれかに切り替えて、二次電池5へのパルス充電を行い二次電池5の内部抵抗を測定する内部抵抗測定装置。【選択図】図1


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    Title :

    IN-VEHICLE DRIVE BATTERY INTERNAL RESISTANCE MEASUREMENT DEVICE


    Additional title:

    車載駆動用電池の内部抵抗測定装置


    Contributors:

    Publication date :

    2022-11-30


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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