A system for converting fuel energy to electricity includes a reformer for converting a higher molecular weight gas into at least one lower molecular weight gas, at least one turbine to produce electricity from expansion of at least one of the lower molecular weight gases, and at least one fuel cell
A system for converting fuel energy to electricity includes a reformer for converting a higher molecular weight gas into at least one lower molecular weight gas, at least one turbine to produce electricity from expansion of at least one of the lower molecular weight gases, and at least one fuel cell. The system can further include at least one separation device for substantially dividing the lower molecular weight gases into at least two gas streams prior to the electrochemical oxidization step. A nuclear reactor can be used to supply at least a portion of the heat the required for the chemical conversion process.
대표청구항▼
What is claimed is: 1. A system for converting fuel energy to electricity, comprising: a reformer for converting a higher molecular weight gas into at least one mixed gas stream of lower average molecular weight comprising at least a first lower molecular weight gas and a second gas, said first and
What is claimed is: 1. A system for converting fuel energy to electricity, comprising: a reformer for converting a higher molecular weight gas into at least one mixed gas stream of lower average molecular weight comprising at least a first lower molecular weight gas and a second gas, said first and second gases being different gases, wherein said first lower molecular weight as comprises H2and said second gas comprises CO; at least one turbine coupled to an electrical generator having an input connected to an output of said reformer, said turbine receiving said mixed gas stream and generating electricity from expansion of said mixed gas stream; a separator connected to an output of said turbine, said separator having a first and a second output for dividing said mixed gas stream, wherein a first gas stream mainly comprising said H2 is provided at said first output and a second gas stream mainly comprising said CO is provided at said second output; a first fuel cell, an anode of said first fuel cell connected to said first output for electrochemically oxidizing said first gas stream to produce electricity; and a second fuel cell, an anode of said second fuel cell connected to said second output for electrochemically oxidizing said second gas stream to produce electricity. 2. The system for converting fuel energy to electricity of claim 1, wherein said separator comprises at least one selected from the group consisting of carbon fiber composite molecular sieves (CFCMS) and inorganic membranes. 3. The system for converting fuel energy to electricity of claim 1, wherein said fuel cells are both solid oxide fuel cells. 4. The system for converting fuel energy to electricity of claim 1, further comprising structure for directing at least a portion of heat generated by said fuel cells to said reformer. 5. The system for converting fuel energy to electricity of claim 1, further comprising a nuclear reactor for generating heat. 6. The system for converting fuel energy to electricity of claim 5, wherein at least a portion of said heat is directed to said reformer to heat said higher molecular weight gas. 7. The system for converting fuel energy to electricity of claim 1, wherein said higher molecular weight gas is provided by a pipeline which provides pressurized natural gas, said mixed stream being directly provided to said turbine from said reformer without additional steps for either compressing or heating said mixed gas stream. 8. The system for converting fuel energy to electricity of claim 1, wherein said higher molecular weight gas principally contains methane and is reformed by said reformer, wherein said first lower molecular weight gas comprises H2 and said second gas comprises CO. 9. The system for converting fuel energy to electricity of claim 1, wherein at least one of said first and second fuel cells produces a CO2 output, wherein expansion of said CO2 is used to produce additional energy. 10. The system for converting fuel energy to electricity of claim 1, further comprising a combustion chamber, wherein output streams from at least one of said fuel cells are supplied to said combustion chamber for oxidation of fuel which has not been fully oxidized. 11. The system for converting fuel energy to electricity of claim 1, wherein said first and second fuel cells comprise H2 and CO fuel cells, respectively, and air is supplied to both said first and second fuel cells, said air first being supplied to said CO fuel cell and then to said H2 fuel cell. 12. The system for converting fuel energy to electricity of claim 11, wherein said air is supplied to a device for providing oxygen enriched air prior to delivery to said fuel cells. 13. The system for converting fuel energy to electricity of claim 1, wherein said hydrocarbon containing gas is natural gas, said natural gas being supplied to said reformer at a pressure of at least approximately 40 atmospheres.
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이 특허에 인용된 특허 (9)
Andrew Sydney P. (Hartlepool GB2) Doy Ralph J. (Saltburn-by-the-Sea GB2) Limbach Antony P. J. (Stockton-on-Tees GB2), Apparatus for steam reforming hydrocarbons.
Micheli Paul L. (Morgantown WV) Williams Mark C. (Morgantown WV) Parsons Edward L. (Morgantown WV), Indirect-fired gas turbine bottomed with fuel cell.
Ankersmit Jan H. (Schiedam NLX) Hendriks Rudolf (Velp NLX) Blomen Leo J. M. J. (Vooreschoten NLX), Process and installation for the combined generation of electrical and mechanical energy.
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