CN102820480A - Fuel cell and gas turbine hybrid generating system and power generation method implemented by same - Google Patents
Fuel cell and gas turbine hybrid generating system and power generation method implemented by same Download PDFInfo
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- CN102820480A CN102820480A CN2011101534360A CN201110153436A CN102820480A CN 102820480 A CN102820480 A CN 102820480A CN 2011101534360 A CN2011101534360 A CN 2011101534360A CN 201110153436 A CN201110153436 A CN 201110153436A CN 102820480 A CN102820480 A CN 102820480A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/06—Combination of fuel cells with means for production of reactants or for treatment of residues
- H01M8/0606—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants
- H01M8/0612—Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants from carbon-containing material
- H01M8/0618—Reforming processes, e.g. autothermal, partial oxidation or steam reforming
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M16/00—Structural combinations of different types of electrochemical generators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/12—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/14—Fuel cells with fused electrolytes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/40—Combination of fuel cells with other energy production systems
- H01M2250/405—Cogeneration of heat or hot water
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/40—Combination of fuel cells with other energy production systems
- H01M2250/407—Combination of fuel cells with mechanical energy generators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/10—Applications of fuel cells in buildings
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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Abstract
The invention relates to a fuel cell and gas turbine hybrid generating system and a power generation method implemented by the same. The system comprises a fuel cell, a reformer, a gas turbine and a Rankine-cycle generating system, the reformer is arranged at the front end of the fuel cell, and the gas turbine is disposed at the rear end of the fuel cell and used for further combusting residual hot exhaust gas. The fuel cell receives reformed gas containing CO, H2, CO2 and H2O from the reformer, the reformed gas is used as fuel, simultaneously, another channel of air with the pressure higher than the atmospheric pressure is also guided into the fuel cell, and the air and the fuel gas are subjected to electrochemical reaction to generate electric energy. After the reaction, residual fuel gas containing CO and H2 and residual air (with the concentration of O2 lower than that of O2 in normal air) in the fuel cell can be fed to the gas turbine, so that chemical energy of the residual fuel gas and the residual air is converted into electric energy. The fuel cell and gas turbine hybrid generating system has the advantages that waste heat is absorbed by the Rankine-cycle system and the like, and is also converted into electric energy, and efficiency is further improved to be higher than 70% from about 50%.
Description
Technical field
The present invention relates generally to fuel cell system; Especially combined Rankine cycle system (Rankine cycle); Like organic Rankine cycle system; Utilize that unconverted fuel drives internal combustion engine or the external-combustion engine that is used in the fuel cell rear end in the fuel cell, to realize the fuel cell-combustion machine hybrid power system of the overall efficiency higher than conventional fuel cell system.
Background technology
Fuel cell is a kind of electrochemical energy conversion equipment, and it shows higher generating efficiency and low contaminative in power generation process.Fuel cell provides direct current usually, and this direct current can convert alternating current into through inverter etc.Direct current that is provided or alternating voltage can be used for driving engine, light fixture and any electric equipment and system.Fuel cell can fix, semifixed or portable forms is able to use.Some fuel cell like SOFC (SOFC), can use in the large-scale power system that industry and city electricity consumption are provided.In addition, fuel cell also can be used for for example being used for automobile generating in the less portable set.
Fuel cell combines to produce electric energy through fuel with electrochemistry between the oxidant that passes the ionic conduction layer.This ionic conduction layer is also referred to as the electrolyte of fuel cell, possibly be liquid or solid.Common type of fuel cell comprises phosphoric acid fuel cell (PAFC), molten carbonate fuel cell ((MCFC), Proton Exchange Membrane Fuel Cells (PEMFC) and the SOFC (SOFC) with its electrolytical name nominating.In practice, fuel cell generally forms a fuel battery with electric series system, is used for producing effective voltage or electric current.Therefore, the mode of available serial or parallel connection connects or combines adjacent fuel cell to form interconnective structure.
In the ordinary course of things, fuel cell comprises electrolyte and two electrodes.The reaction that produces electric energy generally takes place in electrode, is provided with usually on the electrode to be used for the catalyst of accelerated reaction.Electrode can be arranged to the structure of passage, porous layer or the like, to increase the surface area that chemical reaction can take place.Electrolyte takes charge species to another from an electrode, and itself can not be penetrated in fuel and the oxidant basically.
Generally, fuel cell converts hydrogen (fuel) and oxygen (oxidant) to water and produces electric energy.If use air oxidant, airborne nitrogen be basically inertia and can pass through fuel cell usually.Hydrogen fuel can be reformed (for example, on-the-spot steam reforming) through the scene of carbon back raw material, and for example the reformation through the easy natural gas that obtains and other hydrocarbon fuel and raw material obtains.Wherein hydrocarbon fuel comprises natural gas, methane, ethane, propane, methyl alcohol, synthesis gas and other hydrocarbon.The reformation hydrocarbon fuel produces hydrogen and can be integrated in the operation system of fuel cell with the process as the electrochemical reaction raw material.In addition, this reforming process can occur in the inside and/or the outside of fuel cell.For at the outside reformation hydrocarbon of fuel cell, corresponding external reformer both can be positioned at the place away from fuel cell, also can be positioned at the place near fuel cell.
Can fuel battery inside or near carry out the fuel cell system that hydrocarbon reforms and have many good qualities, like design and simple to operate etc.Such as; The steam reforming reaction of hydrocarbon normally absorbs heat; Reform and can use the heat that the heat release electrochemical reaction in the fuel cell is produced in the outside of therefore, near the reformer that the reformation that fuel battery inside carries out perhaps is provided with fuel cell, carrying out.In addition, the hydrogen in the fuel cell and the used catalyst of electrochemical reaction of oxygen have the inside reforming that is beneficial to hydrocarbon fuel.For example, in SOFC, if on electrode (like anode), be provided with the Raney nickel that is used for keeping electrochemical reaction, this Raney nickel also can act on the process that hydrocarbon fuels is reformed formation hydrogen and carbon monoxide.In addition, the reforming process of hydrocarbon material can produce hydrogen and carbon monoxide.Therefore, the fuel cell that carbon monoxide also capable of using acts as a fuel beyond the dehydrogenation, SOFC for example, being more suitable for the hydrocarbon of reforming usually is raw material, or within it portion or near carry out the reformation of hydrocarbon fuels.
Because the battery heating can produce power be lost, and all effectively utilizations of fuel, fuel cell receives certain limitation with the ability that hydrocarbon fuel is converted into electric energy.In traditional combined cycle fuel cell system, be the front end of fuel cell reforming to the fuel that is rich in hydrocarbon.The tail gas of oxygenated fuel and combustion product is not sent to the exhaust combustion device comprising of discharging burns from fuel cell, and the heat energy of burning generation can be included in the combined cycle system, also possibly get in the fuel reformer sometimes.The conversion efficiency of fuel cell is generally about 50% at present.
Therefore, be necessary to provide a technology to improve the efficient of fuel cell system.
Summary of the invention
One embodiment of the present of invention provide a kind of fuel cell-combustion machine hybrid power system.This fuel cell-combustion machine hybrid power system comprises:
The fuel cell that comprises anode and negative electrode; Be used for reformation hydrocarbon fuel and steam generation reformation gas under more than or equal to the pressure of operating pressure individually or with external reformer; Make pressure that this reformation gas and fuel cell received air mixed more than or equal to operating pressure; And based on this reformation gas and air produce electric energy and generate one comprise surplus air and unreacted carbon monoxide and with the hot type venting of hydrogen, the oxygen molar percentage in the wherein said surplus air is lower than the airborne oxygen molar percentage of said entering fuel cell;
Internal combustion engine or external-combustion engine are used for the pressurized heat discharging gas that said fuel cell produces is further generated electric energy through burning; And
Rankine cycle system is used for reclaiming heat in the hot type venting that fuel cell and combustion machine produce and is used for generating.
It is a kind of through method that fuel cell-combustion machine hybrid power system generates electricity that another embodiment of the present invention provides.This method comprises:
At fuel battery inside, perhaps through an external reformer of fuel cell front end, reformation hydrocarbon-based fuel and steam produce the reformation gas of pressure more than or equal to working air pressure;
Produce the air of pressure more than or equal to working air pressure;
Through said fuel cell with the generating of said reformation gas and air and produce a kind of hot type venting that comprises unreacted carbon monoxide, hydrogen and surplus air; Oxygen molar percentage in this surplus air is lower than the oxygen molar percentage of said entering fuel battery air; Wherein, If said reformation gas and the air pressure when getting into said fuel cell is greater than atmospheric pressure, then the pressure of the hot type of said generation venting is also greater than atmospheric pressure;
The combustion machine is introduced in said hot type venting to be used for generating electricity; And
At least a heat that reclaims in the hot waste gas that hot type venting that said fuel cell produces and said combustion machine produce through Rankine cycle system is used for generating, so that the efficient of fuel cell-combustion machine hybrid power system is between 50% to 75%.
Description of drawings
Describe for embodiments of the invention in conjunction with the drawings, can understand the present invention better, in the accompanying drawings:
Fig. 1 is a rough schematic view; It has shown a kind of fuel cell-combustion machine hybrid power system; This fuel cell-combustion machine hybrid power system has adopted a kind of fuel cell, and adopting pressure reforming gas is the raw material generating, and generation contains residual carbon monoxide; The hot type venting of hydrogen and surplus air; And to use wherein low oxygen concentration air be rear end combustion machine air feed, and in one embodiment, is the internal combustion engine air feed if the low oxygen concentration lack of air that produces through said fuel cell is then further quoted extraneous air; And
Fig. 2 is a rough schematic view; It has shown a kind of fuel cell-combustion machine hybrid power system among the embodiment; This fuel cell-combustion machine hybrid power system has adopted a kind of fuel cell, adopts the generating of pressure reforming gas and produces the hot type venting, supplies with the combustion machine burning in downstream.And this fuel cell-combustion machine hybrid power system adopts organic rankine cycle system, reclaims the next further generating of used heat that said fuel cell and/or said combustion machine produce.
The alternative embodiment of part although above-mentioned accompanying drawing has been given an example, the present invention can also implement by other execution mode.Though this paper mode by way of example describes embodiments of the invention, do not represent that the present invention should receive the restriction of the embodiment that is given an example.Those skilled in the art must belong to scope of the present invention and spirit to its many modifications made and specific embodiments.
Embodiment
Provide efficient greater than fuel cell-combustion machine hybrid power system of 60% with reference to the embodiment of pattern description among this paper, in the specific embodiment that has adopted Principles of Internal-Combustion Engine, also provide efficient greater than fuel cell-combustion machine hybrid power system of 70%.Owing to can use the internal combustion engine of any size in the fuel cell rear end; Comprise that power output is the gas engine of the smallest of 100kW, the fuel cell among the embodiment described herein-combustion machine hybrid system has clear superiority aspect the distributed energy being used to provide.
As previously mentioned, the present invention also can implement by other execution mode.Principle as herein described is not restricted to the application in SOFC or the molten carbonate fuel battery, and it also can be applied in other corresponding fuel cell technology at an easy rate.In addition, the various Waste Heat Recovery circulatory systems and method also can be used principle described herein.
Fig. 1 is a rough schematic view, has shown a kind of fuel cell-combustion machine hybrid power system 10 among the embodiment.This fuel cell-combustion machine hybrid power system 10 comprises fuel cell 12, be used for the delayed heat discharging gas of further combustion fuel battery 12 dischargings at the reformer 18 of fuel cell 12 front ends with in fuel cell 12 rear ends produces the combustion machine 16 of electric energy.Wherein said reformer 18 at fuel cell 12 front ends is used for the hydrocarbon fuel 11 of compression; Like methane; Partly or entirely convert into more than or equal to atmospheric reformation gas 17 with the steam 13 of compression, this reformation gas 17 comprises hydrogen, carbon monoxide and carbon dioxide.Said fuel cell 12 be used for from reformer 18 receiving said pressure more than or equal to atmospheric reformation gas and other one road pressure more than or equal to atmospheric air, and make this reformation gas 17 and air 15 that electrochemical reactions take place to produce electric energy and produce hot type venting 14.Said fuel cell 12 can comprise SOFC or molten carbonate fuel cell.Said hot type venting 14 comprises that wherein said residual fuel gas bag contains unreacted CO and H from the residual fuel gas of fuel cell 12 anodes and from the surplus air of fuel battery negative pole
2, the O in the said surplus air
2Concentration is lower than normal air.Said hot type venting 14 is admitted to the combustion machine 16 of fuel cell 12 rear ends, in combustion machine 16, is transformed into electric energy to chemical energy through burning.In a particular embodiment, said hot type venting 14 can directly be sent in the combustion machine 16, also can cool off earlier after removing excessive heat and send in the combustion machine 16 again.Said combustion machine 16 can include, but not limited to reciprocating four-stroke, reciprocating type two-stroke, piston type two-stroke combustion machine or gas turbine.
Said hot type venting 14 generally includes the water of a large amount of vapor state, therefore, generally before said hot type venting 14 is transfused to combustion machine 16, can remove unnecessary water.In one embodiment, can use condenser or flash condenser 22 to remove wherein part and whole water.Can use a kind of Rankine cycle system as herein described to reclaim the used heat that produces in fuel cell 12 and the combustion machine 16.
Said fuel cell-combustion machine hybrid power system 10 also can comprise a compressor 20, is used for before it being compressed at the said combustion machine 16 that is positioned at fuel cell 12 rear ends of the hot type venting entering of said condensation.Generally speaking, reformation gas 17 is about 80% in the utilance of the anode of fuel cell (like SOFC) 12, and unconverted remaining hydrogen and carbon monoxide are contained in the hot type venting 14.As shown in Figure 1; Set up an internal combustion engine or external-combustion engine 16 in fuel cell 12 rear ends; Can make said reformation gas 17 unconverted parts finally can be consumed and produce additional electric energy, thereby improve the whole transformation efficiency of fuel cell-combustion machine hybrid power system 10 significantly.In addition; Because the oxygen concentration from the surplus air of the negative electrode of said fuel cell is lower than from the oxygen concentration in the normal air of atmosphere; Therefore the air that replaces from atmosphere with the said residual gas that is included in the hot type venting 14 is used for said combustion machine 16, can reduce the discharge capacity of the nitrogen oxide of combustion machine 16.
In addition, in said hot type venting 14 input combustion machines 16, also can like methane, replenish the fuel stream that gets into combustion machine 16 to additional additional air and the postcombustion 19 of combustion machine 16 inputs, and the performance of optimization combustion machine.Wherein said additional air can be from atmosphere.
The burning that takes place in said anode or the rear end combustion machine 16 can or be higher than under the atmospheric pressure at atmospheric pressure to be carried out.If pressure is to be higher than atmosphericly, then anode and the negative electrode at whole fuel cell all keeps this to be higher than atmospheric pressure.In one embodiment; As shown in Figure 2; A kind of fuel cell-combustion machine hybrid power system 30 comprise be used for the hydrocarbon fuel 11 of compression and steam 13 convert into reformer 18 more than or equal to atmospheric reformation gas 17, with said reformation gas 17 generate electricity and produce the fuel cell 12 of hot type venting 14, in fuel cell 12 rear ends further with the combustion machine 16 of hot type venting 14 generation electric energy and the Rankine cycle system 32 that is used for absorbing waste heat, like double reheat supercritical carbon dioxide Rankine cycle system (Dual reheat supercritical CO
2Rankine cycle).In one embodiment, said Rankine cycle system 32 is regained heat simultaneously and is used for further producing electric energy from the final waste gas of venting 14 of the hot type of fuel cell 12 and rear end combustion machine 16.In one embodiment; Also available exhaust-driven turbocharger or the 40 pairs of air from atmosphere of compressor-turbine system that produced by combustion machine 16 of said system 30 pressurize, and this forced air can be used for preheating hydrocarbon fuel 11 and air 15 and/or is used for generating with Driven Compressor 20.The described embodiment that sees figures.1.and.2 in the preamble improves the whole efficiency of fuel cell-combustion machine hybrid power system through the utilance that improves fuel, makes it be higher than in the present practical application 50% efficient higher limit.Simulation shows, in certain embodiments, the whole efficiency of hybrid power system after having got rid of the efficiency propagation factor that Rankine cycle system brings, still can be increased to 65%, and comprise the heat that is consumed by reformer 18.The whole efficiency of system can be higher than 70% in theory.
In addition, these embodiment make the efficient of fuel cell-combustion machine hybrid power system be higher than the efficient that conventional gas turbine can reach, and make that utilizing fuel cell-combustion machine hybrid power system to substitute conventional art becomes feasible choosing.Because what use in the rear end of fuel cell 12 can be the combustion machine of virtually any size, comprises that power output is the smallest gas engine of 100kW, said fuel cell-combustion machine hybrid system 10,30 is specially adapted to distributed power generation.Previous fuel cell generation does not have to find can be through integrating the whole efficiency that combustion machine and Rankine cycle system and fuel cell improve electricity generation system; And, reduce the discharged nitrous oxides of combustion machine through utilizing the surplus air of the low oxygen concentration that produces by fuel battery negative pole.
Preamble has carried out concise and to the point description and explanation to the embodiment of fuel cell-combustion machine hybrid power system 10,30.These embodiment comprise fuel cell 12 and at the front end of fuel cell 12, and the hydrocarbon fuel 11 that is used for mixing compression partly or entirely is converted into the fuel reformer 18 of the reformation gas 17 that comprises hydrogen, carbon monoxide and carbon dioxide with pressurized water steam 13 and with it.Said fuel cell 12 is arranged to receive the reformation gas 17 of said compression; And reception comprises the compressed air 15 of oxygen and nitrogen; And produce electric energy, and produce the surplus air that comprises low oxygen concentration and the hot type of remaining carbon monoxide and hydrogen exits 14 based on reformation gas of this compression 17 and compressed air 15.The internal combustion engine of fuel cell 12 rear ends or external-combustion engine 16 directly utilize said hot type venting 14 generatings or after said hot type venting 14 dewaters and/or compresses, utilize this hot type venting generating again, and it possibly be reciprocating type gas engine.
Though in conjunction with the specific embodiments Partial Feature of the present invention is illustrated, those skilled in the art will appreciate that and to make many modifications and modification to the present invention.Therefore, the intention that recognize claims is to cover all such modifications and the modification in true spirit of the present invention and the scope.
Claims (25)
1. fuel cell-combustion machine hybrid power system, this system comprises:
The fuel cell that comprises anode and negative electrode; Be used for reformation hydrocarbon fuel and steam generation reformation gas under more than or equal to the pressure of operating pressure individually or with external reformer; Make pressure that this reformation gas and fuel cell received air mixed more than or equal to operating pressure; And based on this reformation gas and air produce electric energy and generate one comprise surplus air and unreacted carbon monoxide and with the hot type venting of hydrogen, the oxygen molar percentage in the wherein said surplus air is lower than the airborne oxygen molar percentage of said entering fuel cell;
Internal combustion engine or external-combustion engine are used for the pressurized heat discharging gas that said fuel cell produces is further generated electric energy through burning; And
Rankine cycle system, the heat that is used for reclaiming in the hot type venting that fuel cell and combustion machine produce generates electricity.
2. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein said fuel cell comprises SOFC.
3. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein said fuel cell comprises molten carbonate fuel cell.
4. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein said fuel cell comprises SOFC and molten carbonate fuel cell.
5. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein said Rankine cycle system comprises double reheat supercritical carbon dioxide Rankine cycle system.
6. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein said Rankine cycle system comprises organic rankine cycle system.
7. fuel cell as claimed in claim 1-combustion machine hybrid power system, it further comprises turbocharger or turbo-compressor, is employed by the hot driving gas drive of combustion machine generation and produces compressed air.
8. fuel cell as claimed in claim 7-combustion machine hybrid power system; It further comprises recuperator; Reclaim heat at least one system the hot type venting that is used for producing from said fuel cell and the hot waste gas of said combustion machine generation, with the said compressed air that enters into fuel battery negative pole of further heating.
9. fuel cell as claimed in claim 1-combustion machine hybrid power system, it further comprises compressor, is used for compressing the hot type venting that gets into the preceding compressing fuel cells generation of combustion machine.
10. fuel cell as claimed in claim 1-combustion machine hybrid power system, it further comprises condenser, is used for cooling off the pressurized heat discharging gas that said fuel cell produces, and before discharging gas gets into the combustion machine, removes and anhydrate.
11. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein said combustion machine comprises reciprocating type gas engine.
12. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein said combustion machine comprises gas turbine.
13. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein reformer, fuel cell, combustion machine and Rankine cycle system are configured to the form with the fuel cell-combustion machine hybrid power system that moves greater than 60% efficient can be provided together.
14. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein reformer, fuel cell, internal combustion engine and Rankine cycle system are configured to the form with the fuel cell-combustion machine hybrid power system that moves greater than 65% efficient can be provided together.
15. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein reformer, fuel cell, internal combustion engine and Rankine cycle system are configured to the form with the fuel cell-combustion machine hybrid power system that moves greater than 70% efficient can be provided together.
16. fuel cell as claimed in claim 1-combustion machine hybrid power system, wherein reformer, fuel cell, internal combustion engine and Rankine cycle system are configured to provide the form of the fuel cell-combustion machine hybrid power system that moves with the efficient between 50% and 75% together.
17. one kind through the method that fuel cell-combustion machine hybrid power system generates electricity, this method comprises:
At fuel battery inside, perhaps through an external reformer of fuel cell front end, reformation hydrocarbon-based fuel and steam produce the reformation gas of pressure more than or equal to working air pressure;
Produce the air of pressure more than or equal to working air pressure;
Through said fuel cell with the generating of said reformation gas and air and produce a kind of hot type venting that comprises unreacted carbon monoxide, hydrogen and surplus air; Oxygen molar percentage in this surplus air is lower than the oxygen molar percentage of the air of said entering fuel cell; Wherein, If said reformation gas and the air pressure when getting into said fuel cell is greater than atmospheric pressure, then the pressure of the hot type of said generation venting is also greater than atmospheric pressure;
The combustion machine is introduced in said hot type venting to be used for generating electricity; And
At least a heat that reclaims in the hot waste gas that hot type venting that said fuel cell produces and said combustion machine produce through Rankine cycle system is used for generating, so that the efficient of fuel cell-combustion machine hybrid power system is between 50% to 75%.
18. like the method for passing through fuel cell-combustion machine hybrid power system generating of claim 17, the step of wherein said driving combustion machine comprises the reciprocating type gas engine of driving.
19. like the method for passing through fuel cell-combustion machine hybrid power system generating of claim 17, it further comprises: turbocharger or turbo-compressor through the hot waste gas that is produced by said combustion machine drives are used for compressed air to being higher than atmospheric pressure.
20. the method for passing through fuel cell-combustion machine hybrid power system generating like claim 19; It further comprises: use at least one the hot waste gas that hot type venting that recuperator is used for producing from said fuel cell and said combustion machine produce and reclaim heat, with the compressed air of further heating by said turbocharger or turbo-compressor generation.
21. like the method for passing through the generating of fuel cell-combustion machine hybrid power system of claim 17, it further comprises: cool off the hot type venting that said fuel cell produces, so that wherein contained steam gets into and is cooled before the said combustion machine and removes.
22. like the method for passing through fuel cell-combustion machine hybrid power system generating of claim 21, it further comprises: before the hot type venting that the said fuel cell that obtains cooling off produces gets into the combustion machine, at first compress.
23. like the method for passing through fuel cell-combustion machine hybrid power system generating of claim 17, the step of wherein said generation hot type venting comprises that producing hot type through SOFC or molten carbonate fuel cell exits.
24., wherein saidly reclaim step that at least one the heat in the hot waste gas that hot type venting that said fuel cell produces and said combustion machine produce is used to generate electricity through Rankine cycle system and comprise through organic rankine cycle system and generating electricity like the method for passing through the generating of fuel cell-combustion machine hybrid power system of claim 17.
25., wherein saidly reclaim step that at least one the heat in the hot waste gas that hot type venting that said fuel cell produces and said combustion machine produce is used to generate electricity through Rankine cycle and comprise through double reheat supercritical carbon dioxide Rankine cycle system and generating electricity like the method for passing through the generating of fuel cell-combustion machine hybrid power system of claim 17.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101534360A CN102820480A (en) | 2011-06-09 | 2011-06-09 | Fuel cell and gas turbine hybrid generating system and power generation method implemented by same |
| EP12727720.0A EP2719008A1 (en) | 2011-06-09 | 2012-06-05 | Fuel cell and reciprocating gas/diesel engine hybrid system |
| RU2013153197/07A RU2013153197A (en) | 2011-06-09 | 2012-06-05 | FUEL CELL AND HYBRID SYSTEM OF GAS PISTON / DIESEL ENGINE |
| JP2014514535A JP2014519177A (en) | 2011-06-09 | 2012-06-05 | Hybrid system of fuel cell and reciprocating gasoline / diesel engine |
| PCT/US2012/040830 WO2012170375A1 (en) | 2011-06-09 | 2012-06-05 | Fuel cell and reciprocating gas/diesel engine hybrid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101534360A CN102820480A (en) | 2011-06-09 | 2011-06-09 | Fuel cell and gas turbine hybrid generating system and power generation method implemented by same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102820480A true CN102820480A (en) | 2012-12-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101534360A Pending CN102820480A (en) | 2011-06-09 | 2011-06-09 | Fuel cell and gas turbine hybrid generating system and power generation method implemented by same |
Country Status (5)
| Country | Link |
|---|---|
| EP (1) | EP2719008A1 (en) |
| JP (1) | JP2014519177A (en) |
| CN (1) | CN102820480A (en) |
| RU (1) | RU2013153197A (en) |
| WO (1) | WO2012170375A1 (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752747A (en) * | 2013-12-31 | 2015-07-01 | 通用电气公司 | Solid-oxide Fuel Cell Systems |
| CN107117061A (en) * | 2017-06-22 | 2017-09-01 | 重庆桂伦水氢动力科技有限公司 | Energy conserving system and energy saving vehicle |
| CN107791879A (en) * | 2017-11-28 | 2018-03-13 | 厦门大学嘉庚学院 | A kind of high efficiency methanol fuel hybrid vehicle |
| CN108306027A (en) * | 2017-01-12 | 2018-07-20 | 华北电力大学（保定） | A kind of oxygen-enriched combusting and solid oxide fuel cell hybrid power system |
| CN109273745A (en) * | 2018-10-29 | 2019-01-25 | 浙江氢谷新能源汽车有限公司 | integrated fuel cell device for pure electric vehicle |
| CN111525154A (en) * | 2020-04-28 | 2020-08-11 | 上海发电设备成套设计研究院有限责任公司 | Fuel cell and heat engine hybrid power generation system and working method thereof |
| CN112349939A (en) * | 2019-08-06 | 2021-02-09 | 株式会社东芝 | Fuel cell power generation system and control method for fuel cell power generation system |
| CN113036178A (en) * | 2021-03-03 | 2021-06-25 | 江苏大学 | Engine and solid oxide fuel cell combined power system |
| CN115172798A (en) * | 2022-06-24 | 2022-10-11 | 天津大学 | SOFC-PDC combined circulation system and control method thereof |
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| JP5861867B2 (en) * | 2011-10-18 | 2016-02-16 | マツダ株式会社 | Fuel cell system |
| WO2015099417A1 (en) * | 2013-12-23 | 2015-07-02 | 김영선 | Electric vehicle power generation system |
| EP2963717A1 (en) | 2014-06-30 | 2016-01-06 | Haldor Topsoe A/S | Process for increasing the steam content at the inlet of a fuel steam reformer for a solid oxide fuel cell system with anode recycle |
| CN110356216A (en) * | 2019-07-04 | 2019-10-22 | 广东索特能源科技有限公司 | A kind of hybrid power system and method for fuel cell and cylinder engine |
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| US20080187789A1 (en) * | 2007-02-05 | 2008-08-07 | Hossein Ghezel-Ayagh | Integrated fuel cell and heat engine hybrid system for high efficiency power generation |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104752747A (en) * | 2013-12-31 | 2015-07-01 | 通用电气公司 | Solid-oxide Fuel Cell Systems |
| US10361444B2 (en) | 2013-12-31 | 2019-07-23 | General Electric Company | Solid-oxide fuel cell systems |
| CN108306027A (en) * | 2017-01-12 | 2018-07-20 | 华北电力大学（保定） | A kind of oxygen-enriched combusting and solid oxide fuel cell hybrid power system |
| CN107117061A (en) * | 2017-06-22 | 2017-09-01 | 重庆桂伦水氢动力科技有限公司 | Energy conserving system and energy saving vehicle |
| CN107791879A (en) * | 2017-11-28 | 2018-03-13 | 厦门大学嘉庚学院 | A kind of high efficiency methanol fuel hybrid vehicle |
| CN109273745A (en) * | 2018-10-29 | 2019-01-25 | 浙江氢谷新能源汽车有限公司 | integrated fuel cell device for pure electric vehicle |
| CN109273745B (en) * | 2018-10-29 | 2024-04-12 | 浙江氢谷新能源汽车有限公司 | Integrated fuel cell device for pure electric automobile |
| CN112349939A (en) * | 2019-08-06 | 2021-02-09 | 株式会社东芝 | Fuel cell power generation system and control method for fuel cell power generation system |
| CN111525154A (en) * | 2020-04-28 | 2020-08-11 | 上海发电设备成套设计研究院有限责任公司 | Fuel cell and heat engine hybrid power generation system and working method thereof |
| CN113036178A (en) * | 2021-03-03 | 2021-06-25 | 江苏大学 | Engine and solid oxide fuel cell combined power system |
| CN115172798A (en) * | 2022-06-24 | 2022-10-11 | 天津大学 | SOFC-PDC combined circulation system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2719008A1 (en) | 2014-04-16 |
| JP2014519177A (en) | 2014-08-07 |
| RU2013153197A (en) | 2015-07-20 |
| WO2012170375A1 (en) | 2012-12-13 |
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