WO2013129787A1 - 고체산화물 연료전지용 단위 셀 및 이를 이용한 고체산화물 연료전지 - Google Patents
고체산화물 연료전지용 단위 셀 및 이를 이용한 고체산화물 연료전지 Download PDFInfo
- Publication number
- WO2013129787A1 WO2013129787A1 PCT/KR2013/001087 KR2013001087W WO2013129787A1 WO 2013129787 A1 WO2013129787 A1 WO 2013129787A1 KR 2013001087 W KR2013001087 W KR 2013001087W WO 2013129787 A1 WO2013129787 A1 WO 2013129787A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cell
- solid oxide
- oxide fuel
- fuel cell
- fuel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- 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
-
- 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
- H01M8/04082—Arrangements for control of reactant parameters, e.g. pressure or concentration
- H01M8/04201—Reactant storage and supply, e.g. means for feeding, pipes
-
- 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
- H01M8/02—Details
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0258—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant
-
- 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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
-
- 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
- H01M8/02—Details
- H01M8/0271—Sealing or supporting means around electrodes, matrices or membranes
- H01M8/0273—Sealing or supporting means around electrodes, matrices or membranes with sealing or supporting means in the form of a frame
-
- 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
- H01M8/02—Details
- H01M8/0297—Arrangements for joining electrodes, reservoir layers, heat exchange units or bipolar separators to each other
-
- 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
- H01M8/1213—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the electrode/electrolyte combination or the supporting material
-
- 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
- H01M8/124—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
- H01M8/1246—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte the electrolyte consisting of oxides
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2404—Processes or apparatus for grouping fuel cells
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/241—Grouping of fuel cells, e.g. stacking of fuel cells with solid or matrix-supported electrolytes
- H01M8/2425—High-temperature cells with solid electrolytes
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2457—Grouping of fuel cells, e.g. stacking of fuel cells with both reactants being gaseous or vaporised
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2483—Details of groupings of fuel cells characterised by internal manifolds
-
- 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
- H01M8/24—Grouping of fuel cells, e.g. stacking of fuel cells
- H01M8/2465—Details of groupings of fuel cells
- H01M8/2484—Details of groupings of fuel cells characterised by external manifolds
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
-
- 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
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
-
- 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
- H01M8/124—Fuel cells with solid electrolytes operating at high temperature, e.g. with stabilised ZrO2 electrolyte characterised by the process of manufacturing or by the material of the electrolyte
-
- 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
- H01M8/141—Fuel cells with fused electrolytes the anode and the cathode being gas-permeable electrodes or electrode layers
- H01M8/142—Fuel cells with fused electrolytes the anode and the cathode being gas-permeable electrodes or electrode layers with matrix-supported or semi-solid matrix-reinforced electrolyte
-
- 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
- Y02E60/10—Energy storage using batteries
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Definitions
- the present invention relates to a unit cell for a solid oxide fuel cell and a solid oxide fuel cell using the same.
- a solid oxide fuel cell is based on a cell in which a cathode (fuel electrode) and a cathode (air electrode) are attached to both sides of an electrolyte layer such as yttria stabilized zirconia (YSZ).
- the electrolyte such as the yttria stabilized zirconia, has a dense structure such that fuel and air do not mix, whereas the cathode and the anode have a porous structure so that fuel and hydrogen can be smoothly diffused, respectively.
- the structure of the solid oxide fuel cell has been developed in the form of a flat plate and a tube, the tube is again classified into a cylindrical, flat pipe made to facilitate the stacking (stacking) of the cells.
- a solid oxide fuel cell in order to increase the power density of the cell, reducing the resistance of the cell by applying a thin film of electrolyte on the electrode support is a commonly used method for fabricating flat and tubular cells.
- a connecting plate that serves to connect fuel cells and air at the same time and connects the cells in series, and the metal connector used at present is corrosive at high temperature. Problems such as deterioration of cell performance by reacting with the anode of an SOFC cell have been generally reported.
- the problem of the connecting material plays an important role in determining the durability of the solid oxide fuel cell stack.
- the flow of fuel and air is separated and supplied to the front and back of the cell by using a metal connecting material and a cell frame, and it is difficult to seal between the cell and the metal plate, and the weight of the stack increases to increase the load on the cell. There is a problem that it takes, the volume is increased and the manufacturing cost of the stack, such as metal processing cost increases.
- An object of the present invention is to provide a unit cell for an integrated solid oxide fuel cell in which a solid oxide fuel cell configured by stacking a plurality of unit cells does not need a separate separator and has an air inlet and a fuel inlet at the cathode. It is.
- Another object of the present invention is to provide a solid oxide fuel cell unit cell and a solid oxide fuel cell using the same, which can reduce and reduce the manufacturing cost of a solid oxide fuel cell unit cell.
- the present invention is a unit cell for a solid oxide fuel cell comprising a negative electrode, an electrolyte layer, a positive electrode and a connecting material, the fuel inlet is provided on both sides of the negative electrode through the upper and lower surfaces, provided on both sides A cathode having a plurality of fuel flow portions penetrating the inside of the cathode between the fuel access portions, and having an air entry portion penetrating the upper and lower surfaces on both sides of the cathode adjacent the length of the fuel flow portion; An anode provided on the electrolyte layer coated on the cathode; It provides a unit cell for a solid oxide fuel cell comprising a; and a connecting material coated on the lower surface of the negative electrode.
- the present invention is a solid oxide fuel cell configured by sequentially stacking the unit cell for the solid oxide fuel cell, the anode of one unit cell and the connecting material of the other unit cell are bonded to each other, a plurality of unit cells are stacked,
- a solid oxide fuel cell in which air inlets of a cell are connected to each other to form an air access passage, and fuel inlets of a plurality of unit cells are connected to each other to form a fuel access passage.
- the fuel inlet and the air inlet are vertically penetrated to the cathode, a separate separator is not required, and a separate sealing operation for fuel and air in and out through the side is not required.
- the weight, size and manufacturing cost of the cell can be reduced.
- FIG. 1 is a perspective view of a unit cell for a solid oxide fuel cell of the present invention.
- FIG. 2 is a cross-sectional view of a unit cell for a solid oxide fuel cell of the present invention.
- FIG 3 is a perspective view of a unit cell for a solid oxide fuel cell of the present invention including a sealing gasket.
- FIG. 4 is a layer of a negative electrode tape for manufacturing a unit cell for a solid oxide fuel cell of the present invention.
- 5 is another layer of a negative electrode tape for manufacturing a unit cell for a solid oxide fuel cell of the present invention.
- FIG. 6 is a perspective view illustrating fuel and air flow in a fuel cell cell stack in which unit cells for a solid oxide fuel cell of the present invention are stacked.
- FIG. 7 is a plan view showing the flow of fuel and air in a unit cell for a solid oxide fuel cell of the present invention.
- FIG. 8 is a cross-sectional view showing a solid oxide fuel cell of the present invention.
- FIG. 9 is a perspective view showing a solid oxide fuel cell of the present invention.
- the present invention relates to a unit cell for a solid oxide fuel cell including a cathode, an electrolyte layer, an anode, and a connecting material, wherein a fuel inlet is provided through upper and lower surfaces on both sides of the cathode, and between the fuel inlets provided on both sides.
- a cathode having a plurality of fuel flow portions penetrating the inside of the cathode, and having an air inlet portion penetrating the upper and lower surfaces on both sides of the cathode adjacent to a length of the fuel flow portion;
- An anode provided on the electrolyte layer coated on the cathode; It provides a unit cell for a solid oxide fuel cell comprising a; and a connecting material coated on the lower surface of the negative electrode.
- the air inlet and the fuel inlet are respectively unit.
- a solid oxide fuel cell configured to stack the unit cells vertically penetrating the cells, injects air and fuel through the unit cell of the lower layer of the unit cells stacked on the cell stack instead of the fuel and air to supply electricity. Can be generated.
- the sealing or housing required for the conventional solid oxide fuel cell to uniformly flow air or fuel from the side is not required in the unit cell of the present invention, and the manifold is a device capable of controlling air flow in the lower unit cell. It may have a fold.
- the anode is preferably provided on both sides of the air inlet and laminated on the cathode coated with the electrolyte layer. Air is introduced through the air inlet vertically penetrated to one side of the unit cell, and the inlet air can supply oxygen to the anode, and oxygen is supplied to the anode through the air inlet vertically penetrated to the opposite side. Is discharged.
- the apparatus further comprises a sealing gasket separating the fuel inlet from the air inlet.
- the sealing gasket is a device that prevents air and fuel from being mixed with each other by separating the fuel inlet and the air inlet from each other, which penetrate perpendicularly to the unit cell, thereby improving battery generation efficiency of a fuel cell.
- the connecting member is preferably a ceramic connecting member.
- the connecting member connects one unit cell to another unit cell so as to allow electricity to flow. Therefore, one unit cell including a connection material stacked on one side of the cathode may be joined to the anode of another unit cell by the connection material to form a cell stack.
- metal connecting materials corrosion may occur at high temperatures, manufacturing costs are high, and weights are increased.
- ceramic connecting materials do not generate corrosion in high temperature environments and are inexpensive to manufacture. It is possible to reduce the weight of the fuel cell by reducing the weight.
- a plurality of irregularities are provided on the surface of the connecting member or the positive electrode.
- a plurality of unit cells for the solid oxide fuel cell are stacked to form a cell stack, and when air is introduced, irregularities are formed on the surface of the anode or on the surface of the connecting material stacked on the anode to supply oxygen to the anode. It can smoothly and improve the efficiency of electricity generation.
- the present invention relates to a solid oxide fuel cell in which unit cells for a solid oxide fuel cell are sequentially stacked, and a plurality of unit cells are stacked by bonding a cathode of one unit cell and a connecting material of another unit cell to each other.
- solid oxide fuel cells in which air inlets are connected to each other to form an air access passage, and fuel inlets of a plurality of unit cells are connected to each other to form a fuel access passage.
- it is preferable that a plurality of unit cells are stacked so that air and fuel enter and exit through the air inlet and the fuel inlet of the unit cell in which the lower layers are stacked.
- the solid oxide fuel cell may generate electricity by circulating air and fuel introduced through an air inlet and a fuel inlet of a unit cell stacked on a lower layer, and a fuel cell having an air inlet and a fuel inlet at a side thereof. Unlike the side sealing or housing installation is not necessary, the manufacturing process is simple, easy to seal, and can reduce the manufacturing cost. In addition, by using a ceramic connecting material as the connecting material, a separate metal connecting material and a cell frame are not used, thereby providing a light weight and a small fuel cell.
- a metal mesh or ceramic felt is stacked and provided between a cathode provided in one unit cell and a connecting material provided in another unit cell.
- the metal mesh is preferably at least one selected from the group consisting of gold, silver, platinum and stainless steel. The metal mesh may improve the performance of the fuel cell by reducing the contact resistance between the stacked unit cells, and may prevent the unit cell from being damaged by the load applied to the battery during operation.
- the unit cell for a solid oxide fuel cell may be manufactured by a method of using an extrusion molding machine and a method of stacking a negative electrode tape manufactured by tape casting, but is not limited thereto.
- the method using the extruder 1) by using a ceramic extrusion machine, to form a cathode so that the fuel flow portion is configured therein, sealing both ends, and dried to vertically the fuel inlet and air inlet Forming through-holes to form a cathode; 2) coating a connecting material on one surface of the negative electrode, and coating an electrolyte layer on a surface of the negative electrode not coated with the connecting material; 3) heat treating the cathode; And 4) a unit cell for a solid oxide fuel cell, including the step of coating an anode and then heat treating the electrolyte layer therebetween.
- Method for laminating the negative electrode tape produced by the tape casting 1) processing the negative electrode tape produced by the tape casting using laser cutting, ultrasonic cutting, machining, etc .; 2) laminating, heating and laminating a negative electrode tape having only an air entry and exit on both sides with a negative electrode tape having a fuel flow portion therebetween; 3) processing the fuel entry; 4) coating a connecting material on one surface of the negative electrode, and coating an electrolyte layer on a surface of the negative electrode not coated with the connecting material; 5) heat treating the cathode; And 6) manufacturing a unit cell for a solid oxide fuel cell, including a step of coating an anode and then heat treating the electrolyte layer therebetween.
- 1 is a unit cell for a solid oxide fuel cell
- 11 is a cathode
- 12 is an anode
- 13 is an electrolyte layer
- 14a is a fuel entry
- 15a, b, c, d is an air entry
- 16 is a connecting material
- 17 is a fuel flow
- 18 is a sealing gasket
- 19 is a metal mesh
- 20 is a manifold
- 21 is a top plate
- 22 is a bottom plate.
- the flat cathode support that is, the cathode 11
- the fuel flow portion 17 was formed therein, and both ends were sealed.
- the fuel inlets 14a and b and the air inlets 15a, b, c, and d were vertically penetrated to the cathode 11 by using the dried molded body.
- the connecting member 16 is coated on the lower surface of the negative electrode 11, and the connecting member 16 and the electrolyte layer are coated after the electrolyte layer 13 is coated on the surface of the negative electrode 11 which is not coated with the connecting member 16. (13) was heat-treated at 1350 to 1400 ° C. to form a dense layer.
- the anode 12 is coated on the opposite side of the surface on which the connecting member 16 is coated, the anode 12 is coated, and heat-treated at 900 to 1200 ° C., the solid oxide fuel cell unit as shown in FIG. 1.
- Cell 1 was prepared.
- the air inlet (15a, b, c, d) is provided to penetrate perpendicular to both sides of the cathode 11 with the anode 12 therebetween, the fuel inlet (14a, b) is It penetrates perpendicularly to both sides of the cathode 12 and is connected to the fuel flow section 17 to allow fuel to flow.
- the negative electrode tape manufactured by tape casting was processed by laser cutting as shown in Figs. 4 and 5, the first to third layers were made with Fig. 4 as the first and third layers and Fig. 5 as the second layer. Laminated sequentially. Subsequently, after pressing while heating, the fuel inlets 14a and b connected to the plurality of fuel flow units 17 provided in the cathode and penetrated perpendicularly to the cathode were processed.
- the connecting material is coated on the lower surface of the negative electrode 11, and the connecting material 16 is not coated with the negative electrode 11.
- An electrolyte layer 13 was coated on the surface, and the connection material 16 and the electrolyte layer 13 were heat-treated at 1350 to 1400 ° C. to form a dense layer.
- the anode 12 is coated on the opposite side of the surface on which the connecting member 16 is coated, the anode 12 is coated, and heat-treated at 900 to 1200 ° C., the solid oxide fuel cell unit as shown in FIG. 1. Cell 1 was prepared.
- a sealing gasket 18 is provided in the manufactured unit cell 1 for a solid oxide fuel cell, and the fuel inlets 14a and b are separated from the air inlets 15a, b, c, and d.
- a unit cell for a solid oxide fuel cell was prepared.
- FIG. 6 is a perspective view of a solid oxide fuel cell stack manufactured by stacking unit cells for a solid oxide fuel cell prepared in Example 3.
- FIG. 6 a plurality of unit cells for the solid oxide fuel cell may be stacked to form a fuel cell stack, fuel and air may be injected from a lower surface of a unit cell stacked below, and electricity may be generated. The injected air and fuel are discharged through the opposite air inlet and the fuel inlet.
- 7 is a diagram schematically illustrating the flow of air and fuel.
- FIG 8 and 9 are views illustrating a solid oxide fuel cell manufactured by stacking current collector plates 21 and 22 on the solid oxide fuel cell stack.
- the manifold 20 is connected to a bottom plate 22 stacked on the lower layer to inject and discharge fuel and air.
- the fuel inlet and the air inlet are vertically penetrated to the cathode, a separate separator is not required, and a separate sealing operation for fuel and air in and out through the side is not required.
- Industrial applicability is recognized as it has the advantage of reducing the weight, size and manufacturing cost of the cell.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
Description
Claims (9)
- 음극, 전해질층, 양극 및 연결재를 포함하는 고체산화물 연료전지용 단위 셀에 있어서,상기 음극의 양측에 상면 및 하면을 관통하여 연료 출입부가 구비되고, 양측에 구비된 상기 연료 출입부 사이에 상기 음극의 내부를 관통하는 다수의 연료 흐름부가 구비되고, 상기 연료 흐름부의 길이를 따라 인접하여 상기 음극의 양측에 상면 및 하면을 관통하여 공기 출입부가 구비된 음극;상기 음극에 코팅된 전해질층에 적층되어 구비된 양극; 및상기 음극의 하면에 코팅된 연결재;를 포함하는 고체산화물 연료전지용 단위 셀.
- 청구항 1에 있어서, 상기 양극은 상기 공기 출입부를 양측에 두고 전해질층이 코팅된 음극에 적층되어 구비되는 것을 특징으로 하는 고체산화물 단위 셀.
- 청구항 1에 있어서, 상기 연료 출입부와 공기 출입부를 분리시키는 밀봉 가스켓을 추가로 포함하는 것을 특징으로 하는 고체산화물 연료전지용 단위 셀.
- 청구항 1에 있어서, 상기 연결재는 세라믹 연결재인 것을 특징으로 하는 고체산화물 연료전지용 단위 셀.
- 청구항 1에 있어서, 상기 연결재 또는 양극의 표면에 다수의 요철이 구비된 것을 특징으로 하는 고체산화물 연료전지용 단위 셀.
- 청구항 1의 고체산화물 연료전지용 단위 셀이 순차 적층되어 구성된 고체산화물 연료전지로,하나의 단위 셀의 양극과 다른 단위 셀의 연결재가 서로 접합하여 다수의 단위 셀이 적층되고, 다수의 단위 셀의 공기 출입부가 서로 연결되어 공기 출입 통로를 형성하고, 다수의 단위 셀의 연료 출입부가 서로 연결되어 연료 출입 통로를 형성하는 고체산화물 연료전지.
- 청구항 6에 있어서, 공기 및 연료가 하층에 적층된 단위 셀의 공기 출입부 및 연료 출입부를 통해 출입하도록 다수의 단위 셀이 적층된 것을 특징으로 하는 고체산화물 연료전지.
- 청구항 6항에 있어서, 하나의 단위 셀에 구비된 음극 및 다른 단위 셀에 구비된 연결재 사이에 금속 메시 또는 세라믹 펠트가 적층되어 구비된 것을 특징으로 하는 고체산화물 연료전지.
- 청구항 8에 있어서, 상기 금속 메시는 금, 은, 백금 및 스테인레스 스틸로 이루어진 군에서 선택되는 하나 이상을 포함하는 것을 특징으로 하는 고체산화물 연료전지.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/380,107 US9806360B2 (en) | 2012-02-27 | 2013-02-12 | Unit cell for solid-oxide fuel cell and solid-oxide fuel cell using same |
| JP2014558667A JP5908998B2 (ja) | 2012-02-27 | 2013-02-12 | 固体酸化物燃料電池用単位セルおよびこれを用いた固体酸化物燃料電池 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2012-0019749 | 2012-02-27 | ||
| KR1020120019749A KR101151868B1 (ko) | 2012-02-27 | 2012-02-27 | 고체산화물 연료전지용 단위 셀 및 이를 이용한 고체산화물 연료전지 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013129787A1 true WO2013129787A1 (ko) | 2013-09-06 |
Family
ID=46272761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2013/001087 Ceased WO2013129787A1 (ko) | 2012-02-27 | 2013-02-12 | 고체산화물 연료전지용 단위 셀 및 이를 이용한 고체산화물 연료전지 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9806360B2 (ko) |
| JP (1) | JP5908998B2 (ko) |
| KR (1) | KR101151868B1 (ko) |
| WO (1) | WO2013129787A1 (ko) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102032233B1 (ko) * | 2013-04-18 | 2019-10-16 | 한국에너지기술연구원 | 매니폴드 일체형 집전체 및 상기 집전체를 포함하는 연료전지 또는 수전해 스택용 하우징 |
| KR101670800B1 (ko) | 2014-08-27 | 2016-10-31 | 한국에너지기술연구원 | 고체산화물 연료전지용 셀 및 그 제조방법 |
| KR102123715B1 (ko) | 2016-08-16 | 2020-06-16 | 주식회사 엘지화학 | 고체 산화물 연료전지 |
| KR102123714B1 (ko) * | 2016-08-16 | 2020-06-16 | 주식회사 엘지화학 | 평판형 고체 산화물 연료전지 |
| JP6983017B2 (ja) * | 2017-09-15 | 2021-12-17 | 森村Sofcテクノロジー株式会社 | 燃料電池スタック |
| DE102020119020B3 (de) * | 2020-07-17 | 2021-08-12 | kraftwerk TUBES GmbH | Stapelmodulbox in Verbindung mit einer Mehrzahl zu der Stapelmodulbox geführten Medienführungen, Brennstoffzellenvorrichtung sowie Brennstoffzellen-Fahrzeug |
| CN115863724B (zh) * | 2022-12-08 | 2024-05-28 | 北京理工大学 | 一种管式固体氧化物燃料电池集流组堆结构及其实现方法 |
| KR20240150949A (ko) * | 2023-04-10 | 2024-10-17 | 피엔피에너지텍 주식회사 | 매니폴드 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0676842A (ja) * | 1992-08-25 | 1994-03-18 | Mitsubishi Heavy Ind Ltd | 平板型固体電解質燃料電池 |
| JPH07105961A (ja) * | 1993-10-12 | 1995-04-21 | Mitsubishi Heavy Ind Ltd | 固体電解質電解セルの製造方法 |
| JP2003331874A (ja) * | 2002-05-14 | 2003-11-21 | Nippon Telegr & Teleph Corp <Ntt> | 固体酸化物形燃料電池用インターコネクタおよびその形成方法 |
| KR100942091B1 (ko) * | 2007-11-22 | 2010-02-12 | 주식회사 포스코 | 평판형 고체산화물 연료전지의 적층구조 |
| KR20100072802A (ko) * | 2008-12-22 | 2010-07-01 | 한국에너지기술연구원 | 고체 산화물 연료 전지 스택 장치 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04272661A (ja) * | 1991-02-27 | 1992-09-29 | Yuasa Corp | 固体電解質燃料電池装置 |
| JPH04272662A (ja) * | 1991-02-27 | 1992-09-29 | Yuasa Corp | 固体電解質燃料電池装置 |
| GB9403234D0 (en) * | 1994-02-19 | 1994-04-13 | Rolls Royce Plc | A solid oxide fuel cell stack and a reactant distribution member therefor |
| KR100538555B1 (ko) | 2003-08-25 | 2005-12-23 | 한국에너지기술연구원 | 연료극 지지체식 평관형 고체산화물 연료전지 스택과 그제조 방법 |
| US20070141424A1 (en) * | 2005-12-21 | 2007-06-21 | Armstrong Timothy R | Solid oxide fuel cell and stack configuration |
| JP5354942B2 (ja) * | 2008-03-27 | 2013-11-27 | 本田技研工業株式会社 | 燃料電池システム |
| KR101109294B1 (ko) * | 2009-07-13 | 2012-01-31 | 삼성전기주식회사 | 일체형지지체를 갖는 연료전지 |
| KR101109222B1 (ko) * | 2009-08-05 | 2012-01-30 | 삼성전기주식회사 | 일체형지지체를 구비한 연료전지 스택 |
| KR101119396B1 (ko) * | 2009-08-31 | 2012-03-06 | 삼성전기주식회사 | 고체 산화물 연료전지 구조 |
| JP5502536B2 (ja) * | 2010-03-17 | 2014-05-28 | 本田技研工業株式会社 | 燃料電池 |
| JP5331252B2 (ja) * | 2010-07-30 | 2013-10-30 | コリア インスティチュート オブ エナジー リサーチ | 平管型固体酸化物セルスタック |
| KR101238886B1 (ko) * | 2010-12-28 | 2013-03-04 | 주식회사 포스코 | 연료 전지 시스템 및 스택 |
| DK2732495T3 (en) * | 2011-07-13 | 2015-07-27 | Teknologisk Inst | FUEL CELLS, A TRANSPORTABLE ELECTRONIC DEVICE AND A PROCEDURE FOR MANUFACTURING A FUEL CELL CONTAINER |
-
2012
- 2012-02-27 KR KR1020120019749A patent/KR101151868B1/ko not_active Expired - Fee Related
-
2013
- 2013-02-12 US US14/380,107 patent/US9806360B2/en active Active
- 2013-02-12 JP JP2014558667A patent/JP5908998B2/ja active Active
- 2013-02-12 WO PCT/KR2013/001087 patent/WO2013129787A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0676842A (ja) * | 1992-08-25 | 1994-03-18 | Mitsubishi Heavy Ind Ltd | 平板型固体電解質燃料電池 |
| JPH07105961A (ja) * | 1993-10-12 | 1995-04-21 | Mitsubishi Heavy Ind Ltd | 固体電解質電解セルの製造方法 |
| JP2003331874A (ja) * | 2002-05-14 | 2003-11-21 | Nippon Telegr & Teleph Corp <Ntt> | 固体酸化物形燃料電池用インターコネクタおよびその形成方法 |
| KR100942091B1 (ko) * | 2007-11-22 | 2010-02-12 | 주식회사 포스코 | 평판형 고체산화물 연료전지의 적층구조 |
| KR20100072802A (ko) * | 2008-12-22 | 2010-07-01 | 한국에너지기술연구원 | 고체 산화물 연료 전지 스택 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20150024299A1 (en) | 2015-01-22 |
| JP5908998B2 (ja) | 2016-04-26 |
| KR101151868B1 (ko) | 2012-05-31 |
| JP2015511755A (ja) | 2015-04-20 |
| US9806360B2 (en) | 2017-10-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2013129787A1 (ko) | 고체산화물 연료전지용 단위 셀 및 이를 이용한 고체산화물 연료전지 | |
| US9608285B2 (en) | Stack for a solid oxide fuel cell using a flat tubular structure | |
| WO2000026980A1 (en) | Planar fuel cell | |
| JP2024157399A (ja) | 電気化学反応セルスタック | |
| JPH08273696A (ja) | 燃料電池スタック構造 | |
| KR20170117189A (ko) | 전기 화학 반응 단위 및 연료 전지 스택 | |
| WO2018096971A1 (ja) | 燃料電池の製造方法及び燃料電池 | |
| CN101438447A (zh) | 燃料电池装置组件和支架 | |
| WO2013077488A1 (ko) | 고분자 전해질 연료전지용 분리판 및 이것을 이용한 고분자 전해질 연료전지 | |
| JPH10189017A (ja) | ハニカム構造固体電解質型燃料電池のガスシール構造 | |
| WO2013183884A1 (ko) | 연료 전지용 집전판 및 이를 포함하는 스택 구조물 | |
| JPH09326259A (ja) | 固体電解質燃料電池 | |
| KR101120134B1 (ko) | 평관형 고체산화물 셀 스택 | |
| JPH09129252A (ja) | 高耐久性固体電解質燃料電池およびその製造方法 | |
| JPH08180885A (ja) | 空気極の集電効率を向上させた固体電解質型燃料電池 | |
| WO2018143610A1 (ko) | 연료전지 스택 | |
| WO2018236094A1 (ko) | 고분자 전해질막, 이를 포함하는 전기화학 전지 및 흐름 전지, 고분자 전해질막용 조성물, 및 고분자 전해질막의 제조방법 | |
| WO2012115485A2 (ko) | 평관형 고체산화물 연료전지 및 평관형 고체산화물 수전해장치 | |
| KR100546016B1 (ko) | 연료전지용 전류집전체와 그 제조방법, 그리고 이를구비한 연료전지 | |
| WO2012015113A1 (ko) | 평관형 고체산화물 셀 스택 | |
| JPH05266910A (ja) | 固体電解質型燃料電池システム | |
| WO2014092357A1 (ko) | 연료 전지용 스택 구조물 | |
| KR101823207B1 (ko) | 막전극 접합체 및 연료 전지 | |
| WO2012043903A1 (ko) | 접합공정을 이용한 고체산화물 연료전지 스택의 분리판 | |
| WO2019164151A1 (ko) | 연료전지 셀 및 이를 포함하는 연료전지 스택 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13754610 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 14380107 Country of ref document: US |
|
| ENP | Entry into the national phase |
Ref document number: 2014558667 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 13754610 Country of ref document: EP Kind code of ref document: A1 |