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Materials
GE Pilots New Fuel-Cell Technology
by Melody M. Bomgardner
July 28, 2014
| A version of this story appeared in
Volume 92, Issue 30
General Electric will manufacture a new type of fuel cell at a pilot plant under construction in Saratoga Springs, N.Y. The cell generates electricity from natural gas with a solid zirconium oxide electrolyte and a cathode and anode made of ceramics. No expensive platinum catalysts are involved, GE says. Stationary units made from stacks of the fuel cells will provide between 1 and 10 MW of power, the company says. When fed heated methane, the cells convert 65% of energy into electricity. An optional waste heat capture device can increase efficiency to up to 95%.
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