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Ultra High Efficiency Hybrid Direct Fuel Cell / Turbine Power Plant

[+] Author Affiliations
Anthony J. Leo, Hossein Ghezel-Ayagh, Robert Sanderson

FuelCell Energy, Inc.

Paper No. 2000-GT-0552, pp. V002T02A066; 5 pages
  • ASME Turbo Expo 2000: Power for Land, Sea, and Air
  • Volume 2: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Munich, Germany, May 8–11, 2000
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7855-2
  • Copyright © 2000 by ASME


FuelCell Energy, Inc has developed a design for a hybrid powerplant which combines the company’s carbonate Direct Fuel Cell (DFC) with a gas turbine cycle in an ultra high efficiency system. Under a recently completed program supported by the U.S. Department of Energy through the Federal Energy Technology Center (FETC, Morgantown WV), the system design was optimized to eliminate high-temperature developmental components and reduce the overall complexity of the cycle. Modeling studies indicate that the system is capable of operating with fuel-to-electrical LHV efficiencies in the low 70’s with near term fuel cell performance levels. Longer term fuel cell performance gains may provide system efficiencies near 80 percent.

Copyright © 2000 by ASME



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