Westinghouse fuel cell combined cycle systems
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.
- Research Organization:
- Westinghouse Electric Corp., Pittsburgh, PA (United States). Science and Technology Center
- Sponsoring Organization:
- USDOE Assistant Secretary for Fossil Energy, Washington, DC (United States)
- DOE Contract Number:
- FC21-91MC28055
- OSTI ID:
- 462890
- Report Number(s):
- DOE/MC/28055--97/C0772; CONF-9608152--7; ON: DE97051836
- Country of Publication:
- United States
- Language:
- English
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