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Solid Oxide Fuel Cell * USA - Progress in Developing SOFC APUs for Heavy-Duty Trucks
Washington,DC,USA -Green Car Congress -14 June 2008: -- Two US DOE (Department of Energy)-funded projects to develop a SOFC (solid oxide fuel cell)-based APU (auxiliary power unit) system for heavy-duty trucks reported on their progress this week during the DOE’s Hydrogen Program annual merit review... One team is led by Cummins Power Generation and includes Protonex LLC and International Truck and Engine. The other is led by Delphi—which is leveraging its SOFC work in the Solid State Energy Conversion Alliance (SECA)— and includes OEMs PACCAR Incorporated (producer of Kenworth, Peterbilt, DAF and Foden Trucks) and Volvo Trucks North America... The goal of each project is to build and demonstrate a diesel-fueled SOFC truck APU...
While current APUs can use a small diesel-fueled genset, a diesel-fueled SOFC APU would ideally deliver improved efficiency and thus lower fuel consumption... SOFCs use a hard, ceramic compound of metal oxides as an electrolyte, rather than the thin, permeable polymer electrolyte sheet in a PEM. In a PEM fuel cell, hydrogen ions cross the membrane; in an SOFC, oxygen ions cross the electrolyte. SOFCs operate well on hydrogen and mixtures of hydrogen and carbon monoxide, among other fuels...Labels: fuel cells
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