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


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

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


    Weitere Titelangaben:

    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


    Beteiligte:
    TANAKA MASAHIRO (Autor:in) / SHIMIZU YOSHIFUMI (Autor:in) / ICHIHASHI AKIRA (Autor:in) / YAMAGUCHI AKIRA (Autor:in)

    Erscheinungsdatum :

    24.08.2015


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    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



    CHARGE/DISCHARGE CONTROL DEVICE, BATTERY PACK, VEHICLE AND CHARGE/DISCHARGE CONTROL METHOD

    FUKAYA TARO / TAKAMI NORIO / HARADA YASUHIRO et al. | Europäisches Patentamt | 2021

    Freier Zugriff


    CHARGE/DISCHARGE CONTROL SYSTEM, BATTERY VEHICLE, AND CHARGE/DISCHARGE CONTROL METHOD

    TAKAHASHI HIROTAKA / KUMAGAI MASATOSHI | Europäisches Patentamt | 2020

    Freier Zugriff

    Battery charge/discharge control device, battery charge/discharge control method, and hybrid working machine with battery charge/discharge control device

    MURAKAMI KENTARO / KAWAGUCHI TADASHI / HASHIMOTO MAKOTO | Europäisches Patentamt | 2016

    Freier Zugriff

    BATTERY CHARGE/DISCHARGE CONTROL DEVICE, BATTERY CHARGE/DISCHARGE CONTROL METHOD, AND HYBRID WORKING MACHINE WITH BATTERY CHARGE/DISCHARGE CONTROL DEVICE

    MURAKAMI KENTARO / KAWAGUCHI TADASHI / HASHIMOTO MAKOTO | Europäisches Patentamt | 2015

    Freier Zugriff