In hybrid electric vehicles (HEV's) the requirements on batteries for energy storage are completely different from those in battery powered electric vehicles (BEV's). In order to come to a successful development of HEV's, beside fulfilling thetechnical requirements, the battery has to have a long life time and must be cost effective. On the basis of TNO technology (patent pending), the development of a bipolar lead-acid battery has been started, together with a battery manufacturer(Centurion). having as final aim a commercial battery for hybrid vehicles and other high power applications. A prototype of 80 V has been built and tested, mainly for the purpose to identity the route to the final aim. Results of this prototype arediscussed.
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