[특허]High temperature fuel cell power plant

QuestAir Technologies Inc.

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특허 상세정보

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High temperature fuel cell power plant

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H10M-008/12 H01M-008/24
미국특허분류(USC)	429/009; 429/030; 429/034
출원번호	US-0352361 (2003-01-27)
우선권정보	CA-2325072(2000-10-30)
발명자 / 주소	Keefer,Bowie G.
출원인 / 주소	QuestAir Technologies Inc.
대리인 / 주소	Klarquist Sparkman, LLP
인용정보	피인용 횟수 : 100 인용 특허 : 124

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Disclosed is a high temperature fuel cell power generation system that includes a high temperature fuel cell having an anode inlet and exhaust, and a cathode inlet and exhaust. The system also includes a gas separation means operable to recover hydrogen gas from the anode exhaust and to provide at least a portion of such hydrogen gas for recycle to the anode inlet. The system further includes energy recovery means operable to recover energy from the fuel cell exhaust gases and to provide at least a portion of such recovered energy to drive mechanical loa...

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What is claimed is: 1. A high temperature fuel cell power generation system comprising: a high temperature fuel cell having an anode inlet and exhaust, and a cathode inlet and exhaust; gas separation means operable to recover hydrogen gas from the anode exhaust and to provide at least a portion of such hydrogen gas for recycle to the anode inlet; energy recovery means operable to recover energy from the fuel cell exhaust gases and to provide at least a portion of such recovered energy to drive mechanical loads associated with the operation of the gas separation means; wherein a portion of the recovered hydrogen gas is provided for export from the generation system as hydrogen fuel. 2. The high temperature fuel cell power generation system of claim 1 wherein the high temperature fuel cell is a solid oxide fuel cell. 3. The high temperature fuel cell power generation system of claim 2 wherein the gas separation system is additionally operable to concentrate carbon dioxide gas from the fuel cell exhaust gases and to provide at least a portion of such concentrated carbon dioxide gas for export from the generation system to prevent its release into the atmosphere. 4. The high temperature fuel cell power generation system of claim 2 wherein gas separation means comprises a pressure swing adsorption module. 5. The high temperature fuel cell power generation system of claim 4 wherein the pressure swing adsorption module comprises a rotary pressure swing adsorption module. 6. The high temperature fuel cell power generation system of claim 4 wherein the pressure swing adsorption module comprises a multistage pressure swing adsorption module, said multistage pressure swing adsorption module comprising: a first stage operable to recover hydrogen gas from the fuel cell anode exhaust gas; a second stage operable to concentrate carbon dioxide gas from the fuel cell exhaust gases. 7. The high temperature fuel cell power generation system of claim 1 wherein the high temperature fuel cell is a molten carbonate fuel cell. 8. The high temperature fuel cell power generation system of claim 7 wherein the gas separation means is additionally operable to concentrate carbon dioxide gas from the fuel cell exhaust gases, and to provide at least a portion of such concentrated carbon dioxide gas for recycle to the cathode inlet. 9. The high temperature fuel cell power generation system of claim 8 wherein the gas separation means is operable to provide a further portion of the concentrated carbon dioxide gas for export from the generation system to prevent its release into the atmosphere. 10. The high temperature fuel cell power generation system of claim 9 wherein the gas separation means comprises a pressure swing adsorption module. 11. The high temperature fuel cell power generation system of claim 10 wherein the pressure swing adsorption module comprises a rotary pressure swing adsorption module. 12. The high temperature fuel cell power generation system of claim 10 wherein the pressure swing adsorption module comprises a multistage pressure swing adsorption module, said multistage pressure swing adsorption module comprising: a first stage operable to recover hydrogen gas from the fuel cell anode exhaust gas; a second stage operable to concentrate carbon dioxide gas from the fuel cell exhaust gases. 13. The high temperature fuel cell power generation system of claim 1, further comprising a compressor for compressing the recovered hydrogen fuel, wherein the energy recovery means provides at least a portion of the recovered energy to drive mechanical loads associated with operation of the compressor. 14. The high temperature fuel cell power generation system of claim 1, wherein the high temperature fuel cell is a molten carbonate fuel cell and at least a portion of an exhaust from the gas separation means is provided to the cathode inlet. 15. The high temperature fuel cell power generation system of claim 1, wherein the energy recovery means comprises a free rotor turbocompressor. 16. The high temperature fuel cell power generation system of claim 4, wherein the pressure swing adsorption module comprises an adsorbent and a catalyst. 17. The high temperature fuel cell power generation system of claim 4 configured such that at least a portion of an exhaust from the pressure swing adsorption module is recycled to a pressure swing adsorption module feed. 18. The high temperature fuel cell power generation system of claim 17 configured such that at least a portion of the exhaust from the pressure swing adsorption module is recompressed using energy from at least one of the fuel cell exhaust gases. 19. The high temperature fuel cell power generation system of claim 1 configured such that the recovered hydrogen gas provided for export is recompressed using energy from at least one of the fuel cell exhaust gases. 20. A mobile solid oxide fuel cell power generation system comprising: a solid oxide fuel cell having an anode inlet and exhaust, and a cathode inlet and exhaust; a pressure swing adsorption module operable to recover hydrogen gas from the anode exhaust of the solid oxide fuel cell and to provide at least a portion of such hydrogen gas for recycle to the anode inlet of the solid oxide fuel cell; energy recovery means operable to recover energy from the solid oxide fuel cell exhaust gases and to provide substantially all of such recovered energy to drive mechanical loads within the generation system; and a polymer electrolyte membrane fuel cell that includes an anode and that receives at least a portion of the recovered hydrogen as an anode fuel; wherein at least a portion of the power output from the generation system is provided to power drive means for a vehicle. 21. The mobile high temperature fuel cell power generation system of claim 20 wherein the pressure swing adsorption module is additionally operable to provide a portion of the recovered hydrogen gas for export from the generation system as hydrogen fuel. 22. The mobile high temperature fuel cell power generation system of claim 21 wherein the pressure swing adsorption module comprises a rotary pressure swing adsorption module. 23. A fuel cell power generation system comprising: a solid oxide fuel cell having an anode inlet and exhaust, and a cathode inlet and exhaust; a pressure swing adsorption module configured to recover hydrogen gas from the anode exhaust; energy recovery means for recovering energy from the solid oxide fuel cell exhaust gases and providing at least a portion of the recovered energy to drive mechanical loads associated with the operation of the pressure swing adsorption module; and a polymer electrolyte membrane fuel cell that includes an anode and that receives at least a portion of the recovered hydrogen gas as an anode fuel. 24. The fuel cell power generation system of claim 23, further comprising a compressor for compressing the recovered hydrogen gas, wherein the energy recovery means provides at least a portion of the recovered energy to drive mechanical loads associated with operation of the compressor. 25. A fuel cell system comprising: a high temperature fuel cell having an anode inlet and exhaust, and a cathode inlet and exhaust; a low temperature fuel cell having an anode inlet; and gas separation means operable to recover hydrogen gas from the high temperature fuel cell anode exhaust, to provide at least a portion of the recovered hydrogen gas to the high temperature fuel cell anode inlet, and to provide at least a portion of the recovered hydrogen gas to the low temperature fuel cell anode inlet. 26. The fuel cell system of claim 25, further comprising energy recovery means operable to recover energy from at least one of the high temperature fuel cell exhaust gases and to provide at least a portion of such recovered energy to drive mechanical loads associated with operation of the gas separation means. 27. The fuel cell system of claim 25, wherein the pressure swing adsorption module comprises a rotary pressure swing adsorption module. 28. The fuel cell system of claim 25 configured such that at least a portion of the recovered hydrogen gas from the high temperature fuel cell anode exhaust is recompressed using energy from at least one of the high temperature fuel cell exhaust gases. 29. The fuel cell system of claim 25, wherein the low temperature fuel cell is a polymer electrolyte membrane fuel cell. 30. The fuel cell system of claim 25, wherein the low temperature fuel cell is associated with a vehicle.

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이 특허를 인용한 특허 피인용횟수: 100

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High temperature fuel cell power plant

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