An extensive study, the results of which are summarized here, has shown that an all electric vehicle can be built with a performance similar to the smaller type of present day European cars with internal combustion engines. The size of a Na/S battery was evaluated that can deliver the energy and power needed for acceleration from 0-50 km/hr within 7.5 sec, a maximum speed of 130 km/hr, and a sustained speed of 100 km/hr at a grade s = 0 % for more than 200 km range. The battery and the propulsion system are under development at present. These efforts are concentrated on improvement of the mean cycle life of the battery to 1000 full cycles, imporvement of the power density of present cells from 110 (50 % charged) to 160 W/kg, improvement of the thermal insulation from 60 to 30-40 W/m2 heat loss at 320 Cel, development of a cheap and effective cooling system for the battery, change from prototype production to series production, and optimization of motor and controller to a design adapted for series production.
A passenger car with a high energy battery using a solid electrolyte
Ein Personenwagen mit einer Hochleistungsbatterie mit Festelektrolyt
1982
5 Seiten, 7 Bilder, 3 Tabellen, 8 Quellen
Aufsatz (Konferenz)
Englisch
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