Indirect-fired gas turbine dual fuel cell power cycle

Details Indirect-fired gas turbine dual fuel cell power cycle Indirect-fired gas turbine dual fuel cell power cycle

1995-10-23

1996-07-30

Skapars, Anthony

Chemistry: electrical current producing apparatus, product, and

Having magnetic field feature

429 20, 429 26, 429 30, 429 39, H01M 806

Patent

active

055410146

ABSTRACT:
A fuel cell and gas turbine combined cycle system which includes dual fuel cell cycles combined with a gas turbine cycle wherein a solid oxide fuel cell cycle operated at a pressure of between 6 to 15 atms tops the turbine cycle and is used to produce CO.sub.2 for a molten carbonate fuel cell cycle which bottoms the turbine and is operated at essentially atmospheric pressure. A high pressure combustor is used to combust the excess fuel from the topping fuel cell cycle to further heat the pressurized gas driving the turbine. A low pressure combustor is used to combust the excess fuel from the bottoming fuel cell to reheat the gas stream passing out of the turbine which is used to preheat the pressurized air stream entering the topping fuel cell before passing into the bottoming fuel cell cathode. The CO.sub.2 generated in the solid oxide fuel cell cycle cascades through the system to the molten carbonate fuel cell cycle cathode.

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