Westinghouse fuel cell combined cycle systems

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Efficiency (voltage) of the solid oxide fuel cell (SOFC) should increase with operating pressure, and a pressurized SOFC could function as the heat addition process in a Brayton cycle gas turbine (GT) engine. An overall cycle efficiency of 70% should be possible. In cogeneration, half of the waste heat from a PSOFC/GT should be able to be captured in process steam and hot water, leading to a fuel effectiveness of about 85%. In order to make the PSOFC/GT a commercial reality, satisfactory operation of the SOFC at elevated pressure must be verified, a pressurized SOFC generator module must be designed, ... continued below

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9 p.

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Veyo, S. December 31, 1996.

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Description

Efficiency (voltage) of the solid oxide fuel cell (SOFC) should increase with operating pressure, and a pressurized SOFC could function as the heat addition process in a Brayton cycle gas turbine (GT) engine. An overall cycle efficiency of 70% should be possible. In cogeneration, half of the waste heat from a PSOFC/GT should be able to be captured in process steam and hot water, leading to a fuel effectiveness of about 85%. In order to make the PSOFC/GT a commercial reality, satisfactory operation of the SOFC at elevated pressure must be verified, a pressurized SOFC generator module must be designed, built, and tested, and the combined cycle and parameters must be optimized. A prototype must also be demonstrated. This paper describes progress toward making the PSOFC/GT a reality.

Physical Description

9 p.

Notes

OSTI as DE97051836

Source

  • Fuel Cells `96 review meeting, Morgantown, WV (United States), 20-21 Aug 1996

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  • Other: DE97051836
  • Report No.: DOE/MC/28055--97/C0772
  • Report No.: CONF-9608152--7
  • Grant Number: FC21-91MC28055
  • Office of Scientific & Technical Information Report Number: 462890
  • Archival Resource Key: ark:/67531/metadc674367

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • December 31, 1996

Added to The UNT Digital Library

  • July 25, 2015, 2:21 a.m.

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  • Nov. 10, 2015, 9:55 p.m.

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Veyo, S. Westinghouse fuel cell combined cycle systems, article, December 31, 1996; United States. (digital.library.unt.edu/ark:/67531/metadc674367/: accessed November 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.