In order to evaluate the performance of a polymer electrolyte fuel cell (PEFC) in a vehicular environment, an experimental PEFC-powered electric cart has been constructed. The maximum power output of the PEFC system is 8.1 kW (46 V, 175 A), which is sufficient to power a 5.5 kW (nominal) electric motor. The energy conversion efficiency from hydrogen to electricity is more than 50 % through the operating range of the vehicle. After starting, the PEFC system becomes ready to supply power to the vehicle within a few seconds. The 90 % power output response time is in the millisecond range, which is quicker than conventional internal combustion engines. The measured performance of the PEFC system shows that the PEFC is a suitable power source for an electric vehicle. The vehicle performance is calculated with each of the following power source systems: PEFC-current, PEFC-target, lead-acid battery, nickel-cadmium battery, and sodium-sulfer battery. PEFC-powered electric vehicleshave an advantage over the battery-powered electric vehicles in terms of vehicle range achivable per single energy charge, and carbon dioxide emissions in a total energy system or per complete energy cycle.
Polymer electrolyte fuel cell as power source for electric vehicles
Brennstoffzelle mit polymerem Elektrolyt als Energiequelle für Elektrofahrzeuge
SETC, Small Engine Technology Conference, 1993 ; 2 ; 719-727
1993
9 Seiten, 10 Bilder, 8 Quellen
Conference paper
English
A Fuel Cell - Battery Power Source for Electric Vehicles
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