To lower vehicle greenhouse gas emissions, many automotive companies are exploring fuel cell technologies, which combine hydrogen and oxygen to produce electricity and water. While hydrogen storage and infrastructure remain issues, Renault and Nuvera Fuel Cells are developing an onboard fuel processor, which can convert a variety of fuels into hydrogen to power these fuel cell vehicles. The fuel processor is now small enough and powerful enough for use on a vehicle. The catalysts and heat exchangers occupy 80 l and can be packaged with balance of plant controls components in a 150-l volume designed to fit under the vehicle. Recent systems can operate on gasoline, ethanol, and methanol with fuel inputs up to 200 kWth and hydrogen efficiencies above 77 %. The startup time is now less than 4 min to lower the CO in the hydrogen stream to the target value for the fuel cell.
Onboard fuel processor for PEM fuel cell vehicles
EHEC, European Hydrogen Energy Conference, 2 ; 1437-1442
International Journal of Hydrogen Energy ; 32 , 10-11
2007
6 Seiten, 6 Bilder, 1 Tabelle, 1 Quelle
Conference paper
English
Advanced Onboard Fuel Processor for PEM Fuel Cell Vehicles
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