Many properties of 18,650 cylindrical size cells with Mn-spinel cathode were studied for power application. Anode active materials were graphite or amorphous carbon. The cell with improved Mn-spinel and amorphous carbon shows high specific power (1,230 W/kg at DOD (Depth of Discharge) 50 %) and high specific recharge power (840 W/kg at DOD 50 %) at 20 deg C, and can be operated even at -30 deg C. The specific power and specific recharge power at 45 deg C are more than 30 % higher compared to the value at 20 deg C. A good cycle performance at 60 deg C after 500 cycle (recover ratio of discharge capacity is 85 %, at CC (Constant Current) charge) was also obtained. This new cell is promising for hybrid electric vehicles.


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    Titel :

    Development of higher power Li-ion rechargeable battery with managenese spinel cathode


    Weitere Titelangaben:

    Hochleistungs-Lithiumionenbatterie mit Manganspinelkathode


    Beteiligte:
    Amemiya, C. (Autor:in) / Kurihara, J. (Autor:in) / Kawai, H. (Autor:in) / Ohta, T. (Autor:in) / Kumeuchi, T. (Autor:in) / Yonezawa, M. (Autor:in)

    Erschienen in:

    Erscheinungsdatum :

    2000


    Format / Umfang :

    5 Seiten, 8 Bilder, 3 Tabellen, 5 Quellen



    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch