WO2011013758A1 - 燃料電池装置 - Google Patents
燃料電池装置 Download PDFInfo
- Publication number
- WO2011013758A1 WO2011013758A1 PCT/JP2010/062821 JP2010062821W WO2011013758A1 WO 2011013758 A1 WO2011013758 A1 WO 2011013758A1 JP 2010062821 W JP2010062821 W JP 2010062821W WO 2011013758 A1 WO2011013758 A1 WO 2011013758A1
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- WIPO (PCT)
- Prior art keywords
- fuel
- cell stack
- cell
- fuel cell
- fuel gas
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04791—Concentration; Density
- H01M8/04805—Concentration; Density of fuel cell exhausts
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04604—Power, energy, capacity or load
- H01M8/04619—Power, energy, capacity or load of fuel cell stacks
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04701—Temperature
- H01M8/04731—Temperature of other components of a fuel cell or fuel cell stacks
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04746—Pressure; Flow
- H01M8/04753—Pressure; Flow of fuel cell reactants
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04895—Current
- H01M8/0491—Current of fuel cell stacks
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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
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04694—Processes for controlling fuel cells or fuel cell systems characterised by variables to be controlled
- H01M8/04858—Electric variables
- H01M8/04925—Power, energy, capacity or load
- H01M8/0494—Power, energy, capacity or load of fuel cell stacks
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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
- 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
- H01M2008/1293—Fuel cells with solid oxide 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
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04298—Processes for controlling fuel cells or fuel cell systems
- H01M8/04313—Processes for controlling fuel cells or fuel cell systems characterised by the detection or assessment of variables; characterised by the detection or assessment of failure or abnormal function
- H01M8/04537—Electric variables
- H01M8/04574—Current
- H01M8/04589—Current of fuel cell stacks
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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
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention relates to a fuel cell device in which a fuel cell is housed in an outer case.
- a cell stack formed by arranging a plurality of fuel cells that can obtain electric power using fuel gas (hydrogen-containing gas) and air (oxygen-containing gas) is stored in a storage container.
- a fuel cell module is proposed.
- Various fuel cell devices in which a fuel cell module is housed in an outer case have been proposed (see, for example, Patent Document 1).
- a fuel cell As such a fuel cell, various types such as a solid polymer type (PEFC), a molten carbonate type (MCFC), a phosphoric acid type (PAFC), a solid oxide type (SOFC), etc. are known.
- PEFC solid polymer type
- MCFC molten carbonate type
- PAFC phosphoric acid type
- SOFC solid oxide type
- An oxide fuel cell has a characteristic that it can easily follow a partial load when used for household use.
- efficient operation can be performed by maintaining the fuel utilization rate (Uf) and current amount (I) of the cell stack at a constant value.
- the fuel utilization rate and current amount (power generation amount) of the cell stack fluctuate according to the external load (decrease compared to during rated operation).
- the relationship between the fuel utilization rate (Uf) of the cell stack and the amount of current (I) is not controlled in a well-balanced manner, the power generation efficiency of the fuel cell device may be reduced and the load following characteristic may be reduced. It was.
- an object of the present invention is to provide a fuel cell device that improves the operating conditions during partial load operation in a fuel cell device that performs partial load operation.
- a fuel cell device includes a cell stack formed by electrically connecting a plurality of fuel cells that generate power using a fuel gas and an oxygen-containing gas, and a fuel gas for supplying fuel gas to the fuel cells.
- a fuel cell device comprising: a supply unit; a power adjustment unit that adjusts a supply amount of current generated by the fuel cell to an external load; and a control device that controls each of the fuel gas supply unit and the power adjustment unit.
- partial load operation can be performed efficiently.
- the fuel cell system shown in FIG. 1 includes a power generation unit that generates power, a hot water storage unit that stores hot water after heat exchange, and a circulation pipe that circulates water between these units.
- the power generation unit shown in FIG. 1 includes a cell stack 1 in which a plurality of fuel cells (not shown) are electrically connected and arranged, and a raw fuel supply unit for supplying raw fuel such as natural gas. 2, an oxygen-containing gas supply unit 3 for supplying an oxygen-containing gas to the fuel cells constituting the cell stack 1, and a reformer 4 that performs a steam reforming reaction with raw fuel and steam. .
- the reformer 4 vaporizes pure water supplied by a water pump 5 to be described later, and a vaporizer (not shown) for mixing raw fuel and steam supplied from the raw fuel supply unit 2, And a reforming section (not shown) for generating a fuel gas (hydrogen-containing gas) by reacting the mixed raw fuel with water vapor.
- the fuel cell (cell stack 1) is generated by the fuel gas generated in the reformer 4 and the oxygen-containing gas supplied by the oxygen-containing gas supply unit 3.
- the fuel gas supply unit includes at least the raw fuel supply unit 2.
- the cell stack 1 and the reformer 4 are stored in a storage container, and constitute a fuel cell module (hereinafter sometimes abbreviated as a module).
- a fuel cell module hereinafter sometimes abbreviated as a module.
- each device constituting the fuel cell module is surrounded by a two-dot chain line, and the module is indicated by M.
- the reformer 4 may be provided outside the storage container.
- the module M a known fuel cell module can be used.
- a known fuel cell module in a storage container, columnar fuel cells having gas flow paths through which gas flows are arranged in an upright state, and electrically connected in series between adjacent fuel cells via a current collecting member.
- the cell stack 1 is configured by connecting to the.
- a cell stack device in which the lower end of the fuel cell is fixed to the fuel gas chamber by an insulating bonding material such as a glass seal material, and the fuel cell arranged above the fuel cell to supply the fuel gas to the fuel cell
- the reformer 4 is accommodated.
- Various types of fuel cells are known as the fuel cells constituting the cell stack 1.
- a solid oxide fuel cell can be used.
- the fuel cell constituting the cell stack 1 is a solid oxide fuel cell, auxiliary equipment necessary for the operation of the fuel cell can be reduced in size, so that the fuel cell device 22 can be reduced in size.
- a fuel cell of various shapes such as a flat plate type and a cylindrical type can be used, but for efficient power generation of the fuel cell, can do.
- a fuel electrode support type hollow plate type fuel cell in which a fuel electrode layer is formed on the inner side and an oxygen electrode layer is formed on the outer side can be used.
- a heat exchanger 6 that performs heat exchange between exhaust gas (exhaust heat) generated by power generation of the fuel cells constituting the cell stack 1 and water flowing through the circulation pipe 13, Condensate purification device 7 for purifying the condensed water generated by the exchange (preferably producing pure water), and condensation for supplying the condensed water generated in the heat exchanger 6 to the condensed water purification device 7
- a water supply pipe 15 is provided.
- Condensed water treated by the condensed water purification device 7 is stored in a water tank 8 connected by a tank connecting pipe 16 and then supplied to a reformer 4 (vaporizer, not shown) by a water pump 5. Is done.
- the water tank 8 can also be abbreviate
- the power generation unit shown in FIG. 1 converts the DC power generated by the fuel cell into AC power, and adjusts the supply amount of the converted AC power to the external load, and heat exchange.
- An outlet water temperature sensor 11 for measuring the temperature of water (circulated water flow) flowing through the outlet of the heat exchanger 6 provided at the outlet of the heat exchanger 6, a control device 10, and a circulation pump 12 for circulating water in the circulation pipe 13. It is equipped with.
- the fuel cell device includes at least the cell stack 1, the control device 10, a fuel gas supply unit for supplying fuel gas to the fuel cell, and electric power for adjusting the amount of current generated by the fuel cell to an external load.
- the adjustment unit is included.
- the hot water storage unit includes a hot water storage tank 14 for storing hot water after heat exchange.
- an exhaust gas treatment device (not shown) for treating the exhaust gas generated during the operation of the cell stack 1.
- the exhaust gas treatment apparatus houses an exhaust gas treatment unit in a storage container, and a generally known combustion catalyst can be used as the exhaust gas treatment unit.
- each water treatment apparatus is provided in order to purify the water supplied from the outside.
- each water treatment apparatus for supplying water supplied from the outside to the reformer 4 is an activated carbon filter apparatus 19, a reverse osmosis membrane apparatus 20, and an ion exchange resin apparatus 21 for purifying water.
- an ion exchange resin device 21 (preferably all devices) is provided.
- the pure water generated by the ion exchange resin device 21 is stored in the water tank 8.
- a water supply valve 18 for adjusting the amount of water supplied from the outside is provided.
- each water treatment device for treating the water supplied to the reformer 4 with pure water is surrounded by a one-dot chain line (shown as an external water purification device X).
- the water (pure water) necessary for the steam reforming reaction in the reformer 4 is composed only of the condensed water generated by heat exchange between the exhaust gas (exhaust heat) generated by the power generation of the fuel cell and the water in the circulation pipe 13.
- the external water purification device X may be omitted.
- Condensed water (pure water) processed by a condensed water purification unit (ion exchange resin or the like) provided in the condensed water purification device 7 is supplied to the water tank 8 via the tank connection pipe 16.
- Water stored in the water tank 8 is supplied to the reformer 4 by the water pump 5, steam reforming is performed with the raw fuel supplied from the raw fuel supply unit 2, and the generated fuel gas is used as a fuel cell. It is supplied to the cell (cell stack 1).
- power generation is performed using the fuel gas supplied via the reformer 4 and the oxygen-containing gas supplied from the oxygen-containing gas supply unit 3, and the fuel cell.
- the current generated in (cell stack 1) is supplied to the external load via the adjusting unit 9.
- water such as tap water supplied from the outside can be used.
- the water supply valve 18 (for example, an electromagnetic valve or an air drive valve) is opened, and water supplied from the outside such as tap water is supplied to the activated carbon filter 19 through the water supply pipe 17.
- the water treated with the activated carbon filter 19 is subsequently supplied to the reverse osmosis membrane 20.
- the water treated by the reverse osmosis membrane 20 is continuously supplied to the ion exchange resin device 21.
- the water purified by the ion exchange resin device 21 is stored in the water tank 8. Purified water (pure water) stored in the water tank 8 is used for power generation of the fuel cell (cell stack 1) by the method described above.
- the control device 10 controls the operations of the raw fuel supply unit 2 and the oxygen-containing gas supply unit 3, and contains the fuel gas and oxygen containing the amount necessary for the rated operation. Gas is supplied to the fuel cell (cell stack 1). Thereby, rated electric power is generated in the fuel cell (cell stack 1), and a direct current flows through the fuel cell (cell stack 1). Further, the electric power generated by the power generation of the fuel cell (cell stack 1) is converted into AC power by the adjusting unit 9, and then supplied to the external load.
- the control device 10 makes the relationship between the fuel utilization rate (Uf) of the cell stack 1 and the amount of current (I) generated by the cell stack 1 according to the demand of the external load become a constant value.
- Each apparatus is controlled so that it becomes.
- the required power of the external load is likely to fluctuate.
- the required power is high and the current flowing through the cell stack 1 is high, whereas the required power is low during the day and at night, and the current flowing through the cell stack 1 is small. Become.
- the power from the fuel cell device may cause a reverse flow in the system power connected to the fuel cell device. Therefore, in particular, in the operation of a household fuel cell device, it is possible to perform a partial load operation (load follow-up operation) according to the required power of the external load.
- the control device 10 controls the operations of the raw fuel supply unit 2 and the oxygen-containing gas supply unit 3 to obtain the amount of current necessary to obtain the amount of current corresponding to the required power of the external load.
- a fuel gas and an oxygen-containing gas are supplied to the fuel cell (cell stack 1).
- the DC power generated by the power generation of the fuel cell (cell stack 1) is converted into AC power by the power adjusting unit 9, and then supplied to the external load.
- the fuel utilization rate (Uf) and the amount of current (I) of the cell stack 1 vary according to the required load. Specifically, it will be lower than during rated operation.
- 2 to 4 are graphs showing the relationship between the fuel utilization rate of the cell stack 1 in the fuel cell device and the amount of current generated by the cell stack 1 in response to a request from the external load.
- this predetermined amount of fuel gas is referred to as the minimum flow rate.
- the control device 10 determines the fuel utilization rate (Uf) of the cell stack 1 and the external load.
- the raw fuel supply unit 2 and the power adjustment unit 9 are controlled so that the relationship with the current amount (I) generated by the cell stack 1 is non-linear in response to the request.
- the control device 10 controls the raw fuel supply unit 2 and the adjustment unit 9 so as to improve the load following characteristics during partial load operation, or burn excess fuel gas at one end of the fuel cell. In this case, an operation that suppresses misfire can be performed, and an efficient partial load operation can be performed.
- the maximum value of the fuel utilization rate (Uf) of the cell stack 1 during the partial load operation is equal to the fuel utilization rate (Uf) during the rated operation of the fuel cell device, the oxidation of the fuel cell can be reduced. It is possible to reduce the damage of the fuel cell. Therefore, a fuel cell device with improved reliability can be obtained.
- the current generated by the cell stack 1 when more fuel gas than the minimum flow rate of the fuel gas supplied to the cell stack 1 is supplied to the cell stack 1 during partial load operation.
- the control device 10 controls the control device 10 so that the increase amount of the fuel utilization rate (Uf) of the cell stack 1 decreases as the amount (I) increases, the cell stack 1 Even when the current amount (I) is low, the temperature of the fuel cell can be maintained at a high temperature, and the load following characteristic of the fuel cell device can be improved.
- the fuel cell is supplied to the fuel cell (cell stack 1) during partial load operation. Since the amount of the fuel gas to be reduced is reduced, there is a possibility that the combustion of excess fuel gas may misfire.
- the relationship between the rate (Uf) and the current amount (I) is a quadratic curve
- the relationship is not limited to the relationship represented by the quadratic curve. It can be set as appropriate depending on the number of fuel cells constituting the fuel cell device, the size of the module M, and the like, and may be a relationship represented by a cubic curve, for example.
- the control unit 10 can control the raw fuel supply unit 2 and the power adjustment unit 9 so that the increase in the fuel utilization rate (Uf) decreases as the current amount (I) increases.
- the relationship between the fuel utilization rate (Uf) of the cell stack 1 and the amount of current (I) during partial load operation is a relationship represented by a cubic curve.
- surplus fuel gas increases in the region where the current amount (I) of the cell stack 1 is low, and it is possible to reduce misfiring of combustion of the surplus fuel gas in the fuel cell device and to improve load following characteristics. be able to.
- an increase in the amount of current (I) generated by the cell stack 1 when the fuel gas is supplied to the cell stack 1 more than the minimum flow rate of the fuel gas supplied to the cell stack 1 during partial load operation For example, an increase in the amount of current (I) generated by the cell stack 1 when the fuel gas is supplied to the cell stack 1 more than the minimum flow rate of the fuel gas supplied to the cell stack 1 during partial load operation. As the fuel usage rate (Uf) increases, the amount of increase in the fuel usage rate (Uf) increases as the current amount (I) generated by the cell stack 1 increases.
- the raw fuel supply unit 2 and the power adjustment unit 9 may be controlled.
- Cell stack 2 Raw fuel supply unit 3: Oxygen-containing gas supply unit 9: Adjustment unit (power conditioner) 10: Control device M: Fuel cell module
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Abstract
Description
図2から図4は、燃料電池装置におけるセルスタック1の燃料利用率と、外部負荷の要求に応じてセルスタック1が発電する電流量との関係を示すグラフである。
2:原燃料供給部
3:酸素含有ガス供給部
9:調整部(パワーコンディショナ)
10:制御装置
M:燃料電池モジュール
Claims (4)
- 燃料ガスと酸素含有ガスとで発電を行なう燃料電池セルの複数個を電気的に接続してなるセルスタックと、
前記燃料電池セルに前記燃料ガスを供給するための燃料ガス供給部と、
前記燃料電池セルで発電した電流の外部負荷への供給量を調整する電力調整部と、
前記燃料ガス供給部および前記電力調整部のそれぞれを制御する制御装置と、
を具備する燃料電池装置であって、
前記制御装置は、前記燃料電池装置の部分負荷運転中で、前記セルスタックに供給する前記燃料ガスが発電に必要な最低流量以上である場合に、前記セルスタックの燃料利用率と、前記セルスタックが発電する電流量との関係が非直線となるように、前記燃料ガス供給部および前記電力調整部を制御することを特徴とする燃料電池装置。 - 前記燃料電池装置の部分負荷運転中における前記セルスタックの燃料利用率の最大値が、前記燃料電池装置の定格運転中における燃料利用率と同じであることを特徴とする請求項1に記載の燃料電池装置。
- 前記制御装置は、前記燃料電池装置の部分負荷運転中で、前記セルスタックに供給する前記燃料ガスが最低流量以上である場合に、前記セルスタックが発電する電流量の増加に伴い、前記燃料利用率の増加量が減少するように、前記燃料ガス供給部および前記電力調整部のそれぞれを制御することを特徴とする請求項1または請求項2に記載の燃料電池装置。
- 前記燃料電池セルが、当該燃料電池セルの一端側で前記燃料電池セルの発電に利用されなかった余剰の燃料ガスを燃焼させる構成を有するとともに、前記制御装置は、前記燃料電池装置の部分負荷運転中で、前記セルスタックに供給する前記燃料ガスが最低流量以上である場合に、前記セルスタックが発電する電流量の増加に伴い、前記燃料利用率の増加量が増加するように、前記燃料ガス供給部および前記電力調整部のそれぞれを制御することを特徴とする請求項1または請求項2に記載の燃料電池装置。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020127001296A KR101355047B1 (ko) | 2009-07-29 | 2010-07-29 | 연료 전지 장치 |
EP10804504.8A EP2461407B1 (en) | 2009-07-29 | 2010-07-29 | Fuel cell device |
US13/387,499 US10164276B2 (en) | 2009-07-29 | 2010-07-29 | Fuel cell device |
JP2011524834A JP5528451B2 (ja) | 2009-07-29 | 2010-07-29 | 燃料電池装置 |
CN201080032699.XA CN102473947B (zh) | 2009-07-29 | 2010-07-29 | 燃料电池装置 |
US16/181,514 US10763527B2 (en) | 2009-07-29 | 2018-11-06 | Fuel cell device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009176296 | 2009-07-29 | ||
JP2009-176296 | 2009-07-29 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US13/387,499 A-371-Of-International US10164276B2 (en) | 2009-07-29 | 2010-07-29 | Fuel cell device |
US16/181,514 Division US10763527B2 (en) | 2009-07-29 | 2018-11-06 | Fuel cell device |
Publications (1)
Publication Number | Publication Date |
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WO2011013758A1 true WO2011013758A1 (ja) | 2011-02-03 |
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EP (1) | EP2461407B1 (ja) |
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JP2014049387A (ja) * | 2012-09-03 | 2014-03-17 | Osaka Gas Co Ltd | 燃料利用率の設定方法 |
JP2017162746A (ja) * | 2016-03-11 | 2017-09-14 | 大阪瓦斯株式会社 | 燃料電池システム及びその運転方法 |
JP2018110079A (ja) * | 2017-01-05 | 2018-07-12 | 大阪瓦斯株式会社 | 燃料電池システム及びその運転方法 |
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CN103413955B (zh) * | 2013-08-07 | 2015-04-01 | 东南大学 | 一种防止固体氧化物燃料电池燃料利用率超限的控制方法 |
CN107464944B (zh) | 2016-05-27 | 2021-02-02 | 通用电气公司 | 燃料电池系统及其操作方法 |
EP3862314A4 (en) | 2018-10-02 | 2022-06-22 | Eneos Corporation | METHOD OF OPERATING A HYDROGEN PRODUCTION FACILITIES AND CONTROL DEVICE FOR HYDROGEN PRODUCTION FACILITIES |
WO2020175218A1 (ja) * | 2019-02-28 | 2020-09-03 | 京セラ株式会社 | 燃料電池装置 |
JP6984047B2 (ja) * | 2019-05-27 | 2021-12-17 | 京セラ株式会社 | 燃料電池装置 |
EP3858242A1 (en) | 2020-02-03 | 2021-08-04 | Koninklijke Philips N.V. | Cleaning and charging portable x-ray detectors |
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EP2461407A4 (en) | 2013-07-10 |
EP2461407A1 (en) | 2012-06-06 |
JPWO2011013758A1 (ja) | 2013-01-10 |
US20120148933A1 (en) | 2012-06-14 |
US10164276B2 (en) | 2018-12-25 |
KR101355047B1 (ko) | 2014-01-24 |
CN102473947B (zh) | 2014-09-10 |
US10763527B2 (en) | 2020-09-01 |
KR20120024977A (ko) | 2012-03-14 |
JP5528451B2 (ja) | 2014-06-25 |
EP2461407B1 (en) | 2017-08-30 |
US20190074531A1 (en) | 2019-03-07 |
CN102473947A (zh) | 2012-05-23 |
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