Brown Boveri have developed a sodium-sulfur battery designed to give a medium-sized saloon car a range of 150 to 250 km, acceleration from 0 to 50 km/h in 7 s and a cruising speed of 120 km/h. The battery has a storage capacity of 32 kWh (2 h rate), a maximum output of 50 kW and an energy density of 120 Wh/kg. Details are given of the electrical and mechanical design of the battery, maintenance of operating temperature, charging arrangements, and the design of the main associated components: drive motor, transmission and power controller. The particular advantages of an electric over a conventional car are regarded as reduced air pollution, less noise and lower energy costs, as shown by a comparative analysis of the two vehicle types. It is anticipated that series production of battery-driven cars will begin in the 1990s. 11 refs., 9 figs., 7 tabs. (ERA citation 13:021943)


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    Title :

    High-Energy Battery for Electric Road Vehicles


    Contributors:
    J. W. Angelis (author) / H. Birnbreier (author) / H. Haase (author)

    Publication date :

    1987


    Size :

    17 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




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