A manganese-based lithium ion battery was developed for hybrid electric vehicle (HEV) applications. The cell consists of an improved manganese spinel as the positive electrode and hard carbon for the negative electrode. The Mn-based Li ion cell for HEV was developed by adding a high power density modification to a pure-EV (EV) cell of high energy density specification. It has power density as high as 2000 W/kg at 50% depth of discharge (DOD) and 25 degrees C. Storage tests at various temperatures suggest a practical calendar life of more than 5 years. The 48-cell battery module was developed for use in an HEV. It also proved to have an excellent output power density of 1350 W/kg at 50% DOD. Based on the excellent characteristics of the lithium ion battery, it seems very promising to apply this battery not only to EV, HEV and other motor-assisting drive systems but also to other high power applications.


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    Title :

    Manganese-based lithium batteries for hybrid electric vehicle applications


    Contributors:
    Horiba, T. (author) / Hironaka, K. (author) / Matsumura, T. (author) / Kai, T. (author) / Koseki, M. (author) / Muranaka, Y. (author)


    Publication date :

    2003


    Size :

    4 Seiten, 9 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English








    COMPARISONS OF LITHIUM-ION BATTERIES AND ULTRACAPACITORS IN HYBRID-ELECTRIC VEHICLE APPLICATIONS

    Andrew, B. / European Association for Battery, Hybrid and Fuel Cell Electric Vehicles. Vehicles | British Library Conference Proceedings | 2007