PROBLEM TO BE SOLVED: To provide a charge/discharge control device, a battery pack, an electronic apparatus, an electric motor vehicle and a charge/discharge control method, capable of improving a cycle characteristic of a secondary battery while securing the volume energy density of the secondary battery.SOLUTION: The charge/discharge control device includes a circuit configured to control to charge/discharge, by second charge/discharge control, a secondary battery on which charge/discharge is performed under first charge/discharge control. A time variation of the charging rate of the secondary battery when the second charge/discharge control is performed is smaller than the time variation when the first charge/discharge control is performed.

    【課題】二次電池の体積エネルギー密度を確保しつつ二次電池のサイクル特性を向上させる充放電制御装置、電池パック、電子機器、電動車両および充放電制御方法を提供する。【解決手段】第1の充放電制御の下で充放電が行われた二次電池について第2の充放電制御により充放電を制御する構成の回路を備え、前記第2の充放電制御を行う場合の前記二次電池の充電率の時間変化が、前記第1の充放電制御を行う場合の前記時間変化よりも小さい。【選択図】図1


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    Title :

    CHARGE/DISCHARGE CONTROL DEVICE, BATTERY PACK, ELECTRONIC APPARATUS, ELECTRIC MOTOR VEHICLE AND CHARGE/DISCHARGE CONTROL METHOD


    Additional title:

    充放電制御装置、電池パック、電子機器、電動車両および充放電制御方法


    Contributors:

    Publication date :

    2015-08-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    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 / 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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