WO2021240722A1 - Module de batterie à combustible et système de batterie à combustible - Google Patents

Module de batterie à combustible et système de batterie à combustible Download PDF

Info

Publication number
WO2021240722A1
WO2021240722A1 PCT/JP2020/021115 JP2020021115W WO2021240722A1 WO 2021240722 A1 WO2021240722 A1 WO 2021240722A1 JP 2020021115 W JP2020021115 W JP 2020021115W WO 2021240722 A1 WO2021240722 A1 WO 2021240722A1
Authority
WO
WIPO (PCT)
Prior art keywords
fuel cell
distribution plate
gas
cell module
fuel
Prior art date
Application number
PCT/JP2020/021115
Other languages
English (en)
Japanese (ja)
Inventor
憲之 佐久間
佳孝 笹子
夏樹 横山
有俊 杉本
貴志 堤
徹 荒巻
Original Assignee
株式会社日立ハイテク
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 株式会社日立ハイテク filed Critical 株式会社日立ハイテク
Priority to PCT/JP2020/021115 priority Critical patent/WO2021240722A1/fr
Priority to TW110116172A priority patent/TWI748920B/zh
Publication of WO2021240722A1 publication Critical patent/WO2021240722A1/fr

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
    • H01M8/02—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
    • H01M8/026—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant characterised by grooves, e.g. their pitch or depth
    • 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
    • H01M8/0265—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the configuration of channels, e.g. by the flow field of the reactant or coolant the reactant or coolant channels having varying cross sections
    • 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
    • H01M8/0432—Temperature; Ambient temperature
    • 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
    • H01M8/0438—Pressure; Ambient pressure; Flow
    • 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
    • H01M8/04492—Humidity; Ambient humidity; Water content
    • 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
    • H01M8/04664—Failure or abnormal function
    • 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
    • H01M8/10—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
    • H01M8/1286—Fuel cells applied on a support, e.g. miniature fuel cells deposited on silica supports
    • 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
    • H01M8/247—Arrangements for tightening a stack, for accommodation of a stack in a tank or for assembling different tanks
    • H01M8/2475—Enclosures, casings or containers of fuel cell stacks
    • 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 module and a fuel cell system.
  • Patent Document 1 describes that a separator having a groove is used in a fuel cell.
  • a separator having a groove is used in a fuel cell.
  • paragraph [0057] “100 such cell plates are used, and as shown in FIG. 11, separators having a plate thickness of 0.5 mm and a groove depth of 0.2 mm are sandwiched between them for stacking. When the fuel cell stack was manufactured, the height became 100.5 mm. "
  • Patent Document 2 describes that the fuel cell is turned upside down and stacked.
  • the substrate / main structure 211' is a fuel cell electrode / electrolyte stack 213. It has one or more openings and a groove or hole 220 and is coupled or mechanically sealed with a similar substrate / main structure 211 at interface 219, which has the symmetrical structure shown in FIG. It is installed upside down so that it is formed, and fuel is supplied to an area twice the effective area of the fuel cell stack by a single fuel introduction unit 215.
  • Patent Document 1 since the groove of the separator is linear, the gas flow becomes a laminar flow, the amount of gas flowing into the opening is small, and the amount of consumed gas is small. Therefore, it is necessary to increase the gas flow rate, but if the gas flow rate is increased, the thin film electrolyte at the opening is affected and damaged. In addition, since a large amount of gas is not consumed efficiently, a large amount of residual gas that does not contribute to power generation is discharged, which causes an increase in cost.
  • Patent Document 2 when a plurality of fuel cell laminates are arranged on the surface of the substrate, it is necessary to provide a plurality of through holes from the front surface of the substrate to the back surface, and the processing area of the back surface becomes large. Therefore, the mechanical strength of the substrate itself is lowered. Further, the flatness is impaired on the back surface side of the substrate. Therefore, when the back surfaces of the fuel cell are coupled to each other, there is a problem that a portion where the coupling is insufficient occurs, the combined fuel cell is peeled off, or gas leaks.
  • the present invention has been made to solve such a problem, and an object of the present invention is to provide a fuel cell module and a fuel cell system capable of ensuring mechanical strength while increasing gas supply efficiency.
  • An example of the fuel cell module according to the present invention is A fuel cell module comprising a plurality of fuel cell cells and at least one distribution plate. Each said fuel cell has at least one power generation element.
  • the power generation element includes an electrolyte layer and two electrode layers sandwiching the electrolyte layer.
  • the distribution plate defines at least one of the passages of the fuel gas or the oxidant gas supplied to the electrode layer.
  • the distribution plate has a first surface and a second surface, and has a first surface and a second surface.
  • the distribution plate has a through hole penetrating from the first surface to the second surface. The through hole is characterized in that the passage is branched into the first surface and the second surface.
  • an example of the fuel cell system according to the present invention is With the fuel cell module mentioned above, A housing for controlling the temperature of the fuel cell module and It is characterized by having.
  • FIG. 5 is a cross-sectional view taken along the line BB of FIG. It is a top view of the support substrate which concerns on Embodiment 1.
  • FIG. 5 is a cross-sectional view taken along the line BB of FIG. It is a top view of the support substrate which concerns on Embodiment 1.
  • FIG. It is sectional drawing which follows the AA line of FIG. It is sectional drawing of the fuel cell module which concerns on Embodiment 1.
  • FIG. 2 is a plan view and a cross-sectional view of the distribution plate according to the second embodiment. It is a top view of the support substrate which concerns on Embodiment 2.
  • FIG. 2 is sectional drawing of the fuel cell module which concerns on Embodiment 2.
  • FIG. 3 is a plan view of the fuel cell according to the third embodiment. It is a top view of the cushioning material which concerns on Embodiment 3.
  • FIG. 3 is a plan view and a cross section of the distribution plate according to the third embodiment.
  • the present invention relates to a fuel cell module and a fuel cell system.
  • fuel cells have been attracting attention as a clean energy source capable of high energy conversion and not emitting pollutants such as carbon dioxide gas and nitrogen oxides.
  • solid oxide fuel cells Solid Oxide Fuel Cell, hereinafter abbreviated as SOFC
  • SOFC Solid Oxide Fuel Cell
  • gases such as hydrogen, methane, and carbon monoxide, which have high power generation efficiency and are easy to handle, as fuel.
  • SOFC has many advantages over other methods, and is expected as a cogeneration system having excellent energy saving and environmental friendliness.
  • SOFC has a structure in which a solid electrolyte is sandwiched between a fuel electrode and an air electrode.
  • the electrolyte is a partition wall, and a fuel gas such as hydrogen is supplied to the fuel electrode side, and an oxidant gas such as air is supplied to the air electrode.
  • silicon-type SOFCs are promising because they have many merits such as high-efficiency power generation, low-temperature operation, and light weight.
  • air is used as a representative of the oxidant gas, but it is also possible to use a gas other than air as the oxidant gas.
  • FIG. 1 is a plan view of the fuel cell 1 according to the first embodiment of the present invention.
  • FIG. 2 is a cross-sectional view taken along the line AA of FIG.
  • the vertical direction of the paper surface in FIG. 2 is the vertical direction of the fuel cell 1, but this direction has nothing to do with the orientation when the fuel cell is actually installed or used.
  • the fuel cell 1 includes a semiconductor substrate 2 made of single crystal silicon (Si) and a first insulating film 3 formed on the semiconductor substrate 2. A part of the upper surface of the first insulating film 3 is covered with the first electrode 4. The upper surface of the first electrode 4 is covered with the electrolyte layer 5, but a part of the first electrode 4 is exposed. A second electrode 6 is formed on the upper side of the first electrode 4 and the electrolyte layer 5.
  • Si single crystal silicon
  • the fuel cell 1 has a plurality of first openings 8 and one second opening 9. These openings are provided so as to penetrate the semiconductor substrate 2 and the first insulating film 3.
  • the first opening 8 is hidden behind the first electrode 4 and the second electrode 6 and cannot be seen from above. In the plan view of FIG. 1, it is shown by a broken line.
  • the first opening 8 has, for example, a rectangular shape in a plan view, and the length of one side is about 0.2 mm to about 5 mm.
  • a plurality of first openings 8 are arranged in the semiconductor substrate 2.
  • the second opening 9 is, for example, rectangular in a plan view and has a side length of about 0.5 ⁇ m to about 1 mm.
  • a plurality of small-area openings may be formed as the second opening 9.
  • the shapes of the first opening 8 and the second opening 9 are not limited to those shown in the drawings, and may be, for example, circular or polygonal.
  • the first insulating film 3 is formed on the semiconductor substrate 2.
  • the first opening 8 and the second opening 9 are formed by partially removing the inner regions of the semiconductor substrate 2 and the first insulating film 3.
  • a plurality of first openings 8 are formed.
  • the fuel cell 1 includes at least one power generation element 7.
  • a membrane structure of the power generation element 7 is formed so as to cover the plurality of first openings 8.
  • the membrane structure is a laminate in which the first electrode 4 (electrode layer), the electrolyte layer 5, and the second electrode 6 (electrode layer) are formed in this order from the bottom.
  • the power generation element 7 includes an electrolyte layer 5 and two electrode layers sandwiching the electrolyte layer 5. These two electrode layers are electrode layers in contact with gas, and are also called gas electrode layers.
  • the space above and below the first opening 8 is separated by the power generation element 7 covering the plurality of first openings 8. This shields the upper and lower gases from mixing.
  • the second opening 9 is a through hole for passing gas. That is, gas can flow from the upper surface side to the lower surface side of the second opening 9 or vice versa.
  • the semiconductor substrate 2 is, for example, a silicon substrate having a crystal orientation of ⁇ 100> and has a thickness of 400 ⁇ m or more.
  • the first opening 8 and the second opening 9 are formed by patterning the lower surface side by a photolithography method and then removing a part by dry etching or wet etching. Dry etching can be performed with a fluorine-based gas. Wet etching can be performed with a KOH (potassium hydroxide) solution or a TMAH (tetramethylamide) solution.
  • the first electrode 4 is exposed on the lower surface side of the first opening 8. Further, one of the first electrode 4 and the second electrode 6 of the power generation element 7 is an anode electrode and the other is a cathode electrode, and each of them is connected to the outside. As a result, the fuel cell 1 generates electric power and supplies electric power to the outside.
  • FIG. 3 is a plan view of the cushioning material 10 according to the first embodiment of the present invention.
  • FIG. 4 is a cross-sectional view taken along the line AA of FIG.
  • the external dimensions of the cushioning material 10 are the same as or slightly larger than those of the fuel cell 1.
  • the cushioning material 10 has a plurality of first through holes 11 and one second through hole 12. When viewed from above, the opening area of the first through hole 11 is larger than the opening area of the second through hole 12.
  • the fuel cell 1 and the cushioning material 10 are arranged on top of each other.
  • One first through hole 11 communicates with a plurality of first openings 8.
  • the first through hole 11 is arranged so as not to partially block the first opening 8.
  • the second through hole 12 is provided in substantially the same region as the second opening 9 of the fuel cell 1.
  • the first through hole 11 and the second through hole 12 define a passage for fuel gas or air supplied to the first electrode 4 or the second electrode 6.
  • the cushioning material 10 has a heat resistance of 500 ° C. or higher. Further, it is preferable that the cushioning material 10 is deformed along the pressed shape when pressure is applied from the vertical direction. In this way, the pressure applied to the fuel cell 1 is relaxed.
  • the thickness of the cushioning material 10 is, for example, 1 mm or less. Further, in the present embodiment, since the plurality of first through holes 11 are provided so as to avoid the central portion of the cushioning material 10, a pillar (thick region) remains in the central portion of the cushioning material 10, and the mechanical strength is increased. Can be maintained.
  • FIG. 5 is a plan view of the distribution plate 13 according to the first embodiment of the present invention.
  • FIG. 6 is a cross-sectional view taken along the line AA of FIG.
  • FIG. 7 is a cross-sectional view taken along the line BB of FIG.
  • different hatches are attached to surfaces having different heights (positions in the vertical direction).
  • the distribution plate 13 has an upper surface (first surface) and a lower surface (second surface), and the distribution plate first through hole 16 penetrates the distribution plate 13 from the upper surface to the lower surface.
  • the distribution plate first through hole 16 connects and communicates a part of the upper flow path 14 and a part of the lower flow path 15.
  • the distribution plate first through hole 16 is said to be a flow path composed of an upper flow path 14, a lower flow path 15, and a flow path connecting the upper flow path 14 and the lower flow path 15. be able to.
  • the external dimensions of the distribution plate 13 are almost the same as those of the fuel cell 1. Further, the upper flow path 14, the lower flow path 15, and the distribution plate first through hole 16 are arranged so that the gas diffuses in the horizontal direction.
  • both the upper flow path 14 and the lower flow path 15 are formed in a part of the region, and these are connected as the first through hole 16 of the distribution plate.
  • the region where only the upper flow path 14 is formed and the region where only the lower flow path 15 is formed are alternately arranged.
  • the gas reaching the distribution plate 13 flows three-dimensionally in the planar direction and the vertical direction inside the distribution plate 13.
  • the upper flow path 14, the lower flow path 15, and the distribution plate first through hole 16 are configured so that the gas is dispersed or converged (later described in detail with reference to FIG. 10 and the like). do).
  • the gas passage is configured as the distribution plate first through hole 16 in the distribution plate 13
  • the distribution plate 13 itself becomes the peripheral wall of the through hole, and the strength of the passage is high.
  • the distribution plate 13 is, for example, a silicon substrate having a crystal orientation of ⁇ 100> and has a thickness of about 400 ⁇ m.
  • the upper flow path 14, the lower flow path 15, and the distribution plate first through hole 16 are formed by patterning by a photolithography method and then removing a part by dry etching or wet etching. Dry etching can be performed with a fluorine-based gas. Wet etching can be performed with a KOH (potassium hydroxide) solution or a TMAH (tetramethylamide) solution.
  • the silicon substrate has excellent heat conduction and is suitable for maintaining the temperature of the fuel cell module.
  • the distribution plate 13 may be made of ceramic. That is, as shown in FIG. 5, the distribution plate 13 is made of silicon or ceramic.
  • the coefficient of thermal expansion of the distribution plate 13 is the same as the coefficient of thermal expansion of the semiconductor substrate 2, so that distortion of the fuel cell module due to a temperature change can be avoided. Further, since the coefficient of thermal expansion of ceramic is close to the coefficient of thermal expansion of silicon, the same effect can be obtained when ceramic is used for the distribution plate 13.
  • FIG. 8 is a plan view of the support substrate 17 according to the first embodiment of the present invention.
  • FIG. 9 is a cross-sectional view taken along the line AA of FIG.
  • the support substrate 17 is formed with a groove 18 that serves as a flow path for fuel gas or air.
  • the groove 18 is an air flow path.
  • a pillar 19 (thick region) in contact with the cushioning material 10 is provided inside the support substrate 17, a pillar 19 (thick region) in contact with the cushioning material 10 is provided.
  • the support substrate 17 is provided with an air flow path 20 and a fuel gas flow path 21.
  • the air flow path 20 opens on the side surface, for example, and communicates with the groove 18.
  • the fuel gas flow path 21 is shielded from the groove 18 and opens on the side surface and the upper surface of the support substrate 17.
  • the external dimensions of the support substrate 17 can be made larger than any of, for example, the fuel cell 1, the cushioning material 10, and the distribution plate 13.
  • the support substrate 17 is used in combination with the cushioning material 10 as described later in relation to FIG. 10, and supports the cushioning material 10. At this time, when the cushioning material 10 is inverted from the state shown in FIG. 3 (that is, rotated 180 degrees around the axis X in FIG. 3), the groove 18 of the support substrate 17 becomes the first through hole of the cushioning material 10.
  • the fuel gas flow path 21 of the support substrate 17 is arranged so as to overlap and communicate with the second through hole 12 of the cushioning material 10.
  • FIG. 10 is a cross-sectional view of the fuel cell module 22 according to the first embodiment of the present invention.
  • the fuel cell module 22 includes a plurality of fuel cell cells 1 (1a, 1b) and at least one distribution plate (one distribution plate 13 in the example of FIG. 10).
  • the fuel cell module 22 includes cushioning materials 10 (10a, 10b, 10c, 10d) arranged between the fuel cell cells 1a and 1b and the distribution plate 13, respectively.
  • the fuel cell module 22 includes support substrates 17 (17a, 17b) that support the cushioning materials 10a and 10d from the outside in the vertical direction, respectively.
  • the cushioning material and the support substrate are not essential, and some or all of them may be omitted.
  • the fuel cell module 22 is configured by, for example, stacking the following members in order from the bottom.
  • -Support board 17 (17b) -Cushioning material 10 (10d) that has been flipped horizontally (that is, rotated 180 degrees around the axis X in FIG. 3).
  • -Fuel cell 1 (1b) flipped horizontally (ie rotated 180 degrees around axis X in FIG. 1)
  • -Cushioning material 10 (10c) that has been flipped horizontally (that is, rotated 180 degrees around the axis X in FIG. 3).
  • a pressure 23 is applied to the support substrates 17a and 17b by a pressurizing mechanism (not shown). As a result, the cushioning material 10 arranged between the layers is deformed to prevent the fuel gas and air from leaking.
  • the air flow path 20 and the fuel gas flow path 21 of the support substrates 17a and 17b are connected to an external gas pipe so that fuel gas and air can be supplied and exhausted.
  • Each cushioning material 10 is in contact with at least one of the distribution plate 13 and the fuel cell 1. With such a configuration, the influence of the pressure 23 on the distribution plate 13 and the fuel cell 1 is mitigated. It is also possible that the cushioning material 10 does not come into contact with either the distribution plate 13 or the fuel cell 1 (for example, another layer is arranged between the cushioning material 10 and the distribution plate 13 and the fuel cell 1). May be).
  • the fuel gas enters from the fuel gas flow path 21 of the upper support substrate 17a, the second through hole 12 of the cushioning material 10a, the second opening 9 of the fuel cell 1a, and the second through hole 12 of the cushioning material 10b. In this order, it reaches the upper flow path 14 of the distribution plate 13.
  • the fuel cell 1 defines a passage through which the fuel gas supplied to the first electrode 4 flows
  • the distribution plate 13 defines a passage through which the fuel gas supplied to the first electrode 4 flows. ..
  • the passage of the fuel cell 1 and the passage of the distribution plate 13 communicate with each other to form a common passage.
  • this common passage may be a passage through which air flows, or such a common passage may be configured for both fuel gas and air.
  • the fuel gas that has reached the distribution plate 13 branches up and down from the upper flow path 14 through the distribution plate first through hole 16.
  • the fuel gas branched to the upper side is supplied to the first electrode 4 via the first through hole 11 of the cushioning material 10b on the upper side of the distribution plate 13 and the plurality of first openings 8 of the fuel cell 1a on the upper side. Will be done.
  • the power generation element 7 generates power.
  • the fuel gas branched to the lower side of the distribution plate 13 passes through the first through hole 11 of the cushioning material 10c on the lower side of the distribution plate 13 and the plurality of first openings 8 of the lower fuel cell 1b. , Is supplied to the first electrode 4. As a result, the power generation element 7 generates power.
  • the distribution plate 13 defines the passage of the fuel gas supplied to the first electrode 4.
  • the distribution plate 13 may define an air passage or may define both a fuel gas and an air passage.
  • the distribution plate first through hole 16 branches the fuel gas passage up and down (that is, to the upper surface and the lower surface). As a result, the fuel gas is dispersed vertically, so that the fuel gas efficiently reaches the first openings 8 of the plurality of fuel cell 1s, and the power generation efficiency is improved.
  • the branched fuel gas joins the central portion of the distribution plate 13 via the cushioning materials 10b and 10c.
  • the merged fuel gas is again branched up and down by the distribution plate first through hole 16 of the distribution plate 13, and is supplied to the first electrode 4 of the other power generation element 7.
  • the other power generation element 7 generates power.
  • the fuel gas joins again through the distribution plate first through hole 16.
  • the merged fuel gas passes through the second through hole 12 of the cushioning material 10c, the second opening 9 of the fuel cell 1b, and the second through hole 12 of the cushioning material 10d in this order, and the lower support substrate 17b. Is exhausted from.
  • one distribution plate 13 defines a passage related to the plurality of power generation elements 7. This simplifies the structure for forming the passage and makes efficient use of the space.
  • the air entering from the air flow path 20 of the upper support substrate 17a passes through the groove 18 of the support substrate 17a. Since the groove 18 is an opening that opens toward the power generation element 7 through the first through hole 11 of the cushioning material 10a, air is supplied to the second electrode 6 of the power generation element 7. In this way, air is efficiently supplied to the power generation element 7.
  • the opening area of the groove 18 seen from above may be larger than the opening area of the first through hole 11 seen from above.
  • the air passes through the groove 18 of the support substrate 17a and is discharged to the outside from another air flow path 20 that does not appear in FIG.
  • the air in the groove 18 hits the pillar 19 and branches, and is efficiently supplied to the plurality of power generation elements 7.
  • the shapes of the upper and lower support substrates 17a and 17b are the same, but these shapes may be different.
  • the shape of the groove 18 may be different.
  • the fuel cell module 22 includes the distribution plate 13, it is possible to secure the mechanical strength while increasing the supply efficiency by branching the gas.
  • the number of the second openings 9 provided in the semiconductor substrate 2 is small (single in the example of FIG. 1). Therefore, the mechanical strength of the substrate itself can be maintained high as compared with the configuration as shown in FIG. 8 of Patent Document 2.
  • FIG. 11 shows a schematic diagram of the fuel cell system according to the first embodiment.
  • the main configuration of the fuel cell system is a blower 24 for supplying fuel gas and air, a reformer 25 having a fuel gas flow rate adjusting mechanism, a pressure regulator 26 for adjusting the air pressure, and fuel.
  • a housing 27 for controlling the temperature of the battery module 22 and a combustor 28 for burning the discharged fuel gas are provided.
  • the housing 27 controls, for example, to keep the temperature of the fuel cell module 22 at a constant temperature.
  • This constant temperature is, for example, in the range of 300 ° C to 600 ° C.
  • the fuel cell module 22 operates with high efficiency and stability.
  • methane can be used as the fuel gas.
  • Methane is supplied by the blower 24, and the flow rate and pressure are adjusted in the reformer 25.
  • a fuel gas having a temperature of about 600 ° C. containing hydrogen is generated.
  • the fuel gas is sent to the fuel cell module 22.
  • air is also sent by the blower 24, the pressure and the flow rate are adjusted by the pressure regulator 26, and the air is sent to the fuel cell module 22.
  • the temperature of the air is also set to about 600 ° C. by utilizing the heat of the reformer 25.
  • the flow rate of fuel gas and air needs to be increased to several liters / minute at the maximum output.
  • the reformed fuel gas and heated air pass through the housing 27 kept at about 500 ° C. through piping, are sent to the fuel cell module 22, and are consumed for power generation.
  • the fuel gas and air discharged from the fuel cell module 22 are merged by the combustor 28 and fueled at a high temperature, and then discharged.
  • the waste heat of the combustor 28 may be used to heat the gas pipe before entering the fuel cell module 22.
  • feedback control of pressure and flow rate may be performed for fuel gas and air.
  • a pressure gauge and a flow meter are provided in each gas pipe, and feedback control is performed while comparing the pressure and flow rate in the reformer 25 with the pressure and flow rate in the pressure regulator 26 to perform feedback control in the pipe of each gas. Pressure and flow rate can be adjusted.
  • methane is mentioned as the fuel gas, but the gas is not particularly limited as long as it can be reformed.
  • the hydrocarbon fuel natural gas, LP gas, coal reforming gas, lower hydrocarbon gas (ethane, ethylene, propane, butane), bioethanol and the like can be used.
  • a vaporizer may be provided in front of the reformer 25, and the vaporizer may vaporize water from the raw material gas (or liquid) of the hydrocarbon fuel.
  • the fuel cell module 22 may be arranged in the horizontal direction. Even in that case, the gas can flow from the bottom to the top.
  • the fuel cell 1 may be provided with a sensor.
  • the sensor can be arranged in place of one of the power generation elements 7.
  • the sensor detects at least one of the failure, temperature, humidity and pressure of the fuel cell 1. According to such a configuration, the fuel cell 1 and the fuel cell module 22 can be operated more stably.
  • the second embodiment relates to a fuel cell module capable of generating electricity with a higher output, in which the number of stacks of the fuel cell and the distribution plate is increased in the first embodiment.
  • FIG. 12 is a plan view of the fuel cell 29 according to the second embodiment of the present invention.
  • the configuration of the first insulating film 3 of the fuel cell 29, the power generation element 7, the plurality of first openings 8, and the second opening 9 is the same as that of the fuel cell 1 of the first embodiment.
  • the difference from the first embodiment is that the third opening 30 is arranged in the fuel cell 29. Like the second opening 9, the third opening 30 penetrates the semiconductor substrate 2 up and down.
  • the third opening 30 is, for example, rectangular and has a side length of about 0.5 ⁇ m to about 1 mm.
  • the third opening 30 may be an opening having a small diameter, or may be formed in plurality.
  • FIG. 13 is a plan view of the cushioning material 31 according to the second embodiment of the present invention.
  • the first through hole 11 and the second through hole 12 of the cushioning material 31 are the same as the cushioning material 10 of the first embodiment.
  • the cushioning material 31 is provided with a third through hole 32.
  • the third through hole 32 of the cushioning material 31 overlaps with and communicates with the third opening 30 of the fuel cell 29.
  • the external dimensions of the cushioning material 31 may be the same as those of the fuel cell 29, or may be slightly larger. Further, as in the first embodiment, since the plurality of first through holes 11 are provided so as to avoid the central portion of the cushioning material 31, a pillar (thick region) remains in the central portion of the cushioning material 31 and is mechanical. The strength can be maintained.
  • FIG. 14 is a plan view and a cross-sectional view of the distribution plate 33 according to the second embodiment of the present invention.
  • the cross-sectional view is along the CC line of the plan view.
  • the distribution plate 33 is provided with the upper flow path 14, the lower flow path 15, and the distribution plate first through hole 16.
  • the difference from the first embodiment is that the distribution plate second through hole 34, the gas discharge flow path 35, and the U-turn gas flow path 36 are provided.
  • the distribution plate second through hole 34 of the distribution plate 33 overlaps with the third through hole 32 of the cushioning material 31 and communicates with the cushioning material 31.
  • the gas discharge flow path 35 has a through hole that penetrates the distribution plate 33 up and down, and communicates with the upper flow path 14 and the lower flow path 15.
  • the second through hole 12 of the cushioning material 31 and the gas discharge flow path 35 of the distribution plate 33 communicate with each other so that gas can be discharged.
  • the gas flow path is divided in the vertical direction of the paper surface in the plan view of FIG.
  • the gas enters from the left side of the paper surface, the gas flows on the upper side of the paper surface, and reaches the lower side of the paper surface via the U-turn gas flow path 36. Then, the gas flows under the paper surface and flows into the gas discharge flow path 35.
  • the external dimensions of the distribution plate 33 are substantially the same as those of the fuel cell 29.
  • FIG. 15 is a plan view of the support substrate 37 according to the second embodiment of the present invention.
  • the grooves 18, the pillars 19, and the fuel gas flow path 21 are the same as those of the support substrate 17 of the first embodiment.
  • the difference from the first embodiment is that the arrangement of the air flow paths 20 is different. Further, a flow path groove 38 is provided on the side surface of the groove 18. When the support substrate 37 is overlapped with the cushioning material 31, the flow path groove 38 of the support substrate 17 communicates with the second through hole 12 of the cushioning material 31.
  • the external dimensions of the support substrate 37 are larger than the fuel cell 29, the cushioning material 31, and the distribution plate 33.
  • the air flow path 20 is provided at only one place, but it may be provided at a plurality of places.
  • FIG. 16 is a cross-sectional view of the fuel cell module 39 according to the second embodiment of the present invention.
  • the fuel cell module 39 is configured, for example, by stacking one or more building blocks on a support substrate 37 (37b).
  • the support substrate 37b arranged on the lower side is formed in a shape in which the support substrate 37 in FIG. 15 is horizontally inverted (mirror surface inverted). Further, the constituent unit is formed by stacking the following members in order from the bottom. -Cushioning material 31 flipped horizontally (ie rotated 180 degrees around axis X in FIG. 13) -Fuel cell 29 flipped horizontally (ie rotated 180 degrees around axis X in FIG. 12) -Cushioning material 31 flipped horizontally (ie rotated 180 degrees around axis X in FIG. 13) -Exile plate 33 -Cushioning material 31 -Fuel cell 29 -Cushioning material 31 -Distribution plate 33 flipped horizontally (ie rotated 180 degrees around axis X in FIG. 14)
  • a support substrate 37 (37a) is arranged in the uppermost structural unit in place of the uppermost distribution plate 33.
  • a pressure 23 is applied to the support substrates 37a and 37b by a pressurizing mechanism (not shown). As a result, the cushioning material 31 arranged between the layers is deformed to prevent the fuel gas and air from leaking.
  • the air flow path 20 and the fuel gas flow path 21 of the support substrates 37a and 37b are connected to an external gas pipe so that fuel gas and air can be supplied and exhausted.
  • FIG. 16 solid arrows indicate the flow of fuel gas, and dashed arrows indicate the flow of air.
  • the flow of each gas is clear from the arrows in FIG. 16 and the structures of the members shown in FIGS. 12 to 15, but will be described below for reference.
  • the fuel gas enters from the fuel gas flow path 21 of the upper support substrate 37a, the second through hole 12 of the cushioning material 31 at the uppermost stage, the second opening 9 of the fuel cell 29 at the uppermost stage, and the second stage. It passes through the second through hole 12 of the cushioning material 31 in this order and reaches the upper flow path 14 of the distribution plate 33.
  • the fuel gas branches up and down from the upper flow path 14 through the distribution plate first through hole 16, and in the same manner as in the first embodiment, in the first opening 8 of the fuel cell 29 in the uppermost stage and the second stage. To reach. In this way, the fuel gas is supplied to the first power generation element 7 in the uppermost stage and the second stage fuel cell 29.
  • the fuel gas merges at the central portion of the distribution plate 33 and branches again in the same manner as in the first embodiment. In this way, the fuel gas is supplied to the second power generation element 7 of the fuel cell 29 in the uppermost stage and the second stage.
  • the fuel gas merges through the U-turn gas flow path 36 of the distribution plate 33. After that, the fuel gas is supplied to the third power generation element 7 of the uppermost and second stage fuel cell 29, and further supplied to the fourth power generation element 7 of the uppermost and second stage fuel cell 29. NS.
  • the fuel gas is formed in the gas discharge flow path 35, the second through hole 12 of the cushioning material 31, the second opening 9 of the fuel cell 29 in the second stage, and the second through hole 12 of the cushioning material 31 in this order. Pass down. In this way, the fuel gas is exhausted from the upper building block.
  • the fuel gas flows in the lower structural unit. In this way, fuel gas is supplied to the third-stage and fourth-stage fuel cell 29s. After that, the fuel gas is exhausted from the fuel gas flow path 21 of the lower support substrate 37b.
  • the air similarly passes through the third through hole 32 of the cushioning material 31, the third opening 30 of the fuel cell 29, the second through hole 34 of the distribution plate 33 of the distribution plate 33, and the like in each stage. It is discharged from the air flow path 20 of the lower support substrate 37b.
  • a plurality of gas passages are configured inside the fuel cell module 39, and in particular, the fuel gas passage and the air passage are individually configured. Further, as the passage of each gas, the passage of the fuel cell 29 and the passage of the distribution plate 13 communicate with each other to form a common passage. One of these common passages is the fuel gas passage and the other common passage is the air passage. As a result, the fuel gas and the air are separated and flow. In this way, mixing of fuel gas and air is avoided.
  • the fuel cell system can be configured in the same manner as in the first embodiment (FIG. 11).
  • a constant temperature for example, 300 ° C. to 600 ° C.
  • the fuel cell module 39 of the second embodiment can stack several tens of layers of the fuel cell 29, and can generate high output power.
  • the fuel cell 29 and the distribution plate 33 can be manufactured using a silicon substrate, the thickness of the entire fuel cell module 39 including the cushioning material 31 can be reduced. Therefore, the volume of the housing for accommodating the fuel cell module 39 can be reduced, and a small fuel cell system with good heat exhaust efficiency can be provided.
  • FIG. 17 is a plan view of the fuel cell 40 according to the third embodiment of the present invention.
  • the configuration of the first insulating film 3 of the fuel cell 40, the power generation element 7 (first electrode, electrolyte layer, second electrode), and the plurality of first openings 8 is the same as that of the fuel cell 1 of the first embodiment. Is.
  • the difference from the first embodiment is that the fuel cell 40 is provided with a plurality of second openings 9 and a plurality of third openings 30, respectively.
  • FIG. 18 is a plan view of the cushioning material 41 according to the third embodiment of the present invention.
  • Three first through holes 11 similar to the cushioning material 10 of the first embodiment are provided.
  • a fourth through hole 42 having a flow path groove 42a is provided as a protruding portion.
  • a fifth through hole 43 smaller than the first through hole 11 and the fourth through hole 42 is formed.
  • a plurality of fifth through holes 43 may be formed (two are formed in the example of FIG. 18).
  • FIG. 19 is a plan view and a cross-sectional view of the distribution plate 44 according to the third embodiment of the present invention.
  • the distribution plate 44 is formed with a supply side flow path 45 and a discharge side flow path 46.
  • the supply side flow path 45 and the discharge side flow path 46 are separated from each other inside the distribution plate 44, and communicate with each other outside the distribution plate 44 and through the distribution plate second through hole 47.
  • the distribution plate 44 is provided with a plurality of distribution plate third through holes 48 (two in the example of FIG. 19) that vertically penetrate the distribution plate 44.
  • the distribution plate third through hole 48 is separated from the supply side flow path 45 and the discharge side flow path 46.
  • one of the second openings 9 of the fuel cell 40 and the flow path groove 42a of the cushioning material 41 overlap and communicate with each other to supply fuel gas. do.
  • the third opening 30 of the fuel cell 40 overlaps with the fifth through hole 43 of the cushioning material 41 and communicates with each other to supply air.
  • the cushioning material 41 and the distribution plate 44 are overlapped.
  • the fuel gas that has reached the fourth through hole 42 of the cushioning material 41 flows into the supply side flow path 45 of the distribution plate 44, and is supplied to the four power generation elements 7 through the second through hole 47 of the distribution plate.
  • the four power generation elements 7 are separately arranged, but as shown in FIGS. 18 and 19, the gas reaching the fourth through hole 42 is branched by the distribution plate 44. Then, it is distributed to all the power generation elements 7.
  • the consumed fuel gas merges in the discharge side flow path 46 of the distribution plate 44.
  • a cushioning material 41 is stacked on the lower side of the distribution plate 44 by reversing left and right (that is, rotating 180 degrees around the axis X in FIG. 18), and fuel gas is discharged from the flow path groove 42a of the cushioning material 41. Will be done.
  • the cushioning material 41 is provided with four through holes (three first through holes 11 and one fourth through hole 42) separately, and the supply side flow path 45 of the distribution plate 44 carries fuel gas. By branching, unconsumed fuel gas is supplied to each of these four through holes.
  • the unconsumed fuel gas is also supplied to the first opening 8 of the fuel cell arranged above and below the fuel cell, so that the power generation efficiency is improved.
  • the fuel cell module can be configured in the same manner as in the second embodiment.
  • the fuel cell module according to the third embodiment improves the fuel gas consumption efficiency by separating the supply side flow path 45 and the discharge side flow path 46 in the distribution plate 44 as described above. This improves the power generation output per layer of the fuel cell. Therefore, for example, the number of layers of the fuel cell can be reduced, and the fuel cell module can be miniaturized. In addition, fuel gas can be used with high efficiency.
  • the present invention is not limited to the above-described embodiments and modifications, and includes various other modifications.
  • the above-described embodiment has been described in detail in order to explain the present invention in an easy-to-understand manner, and is not necessarily limited to the one including all the described configurations.
  • it is possible to replace a part of the configuration of one embodiment with the configuration of another embodiment and it is also possible to add the configuration of another embodiment to the configuration of one embodiment.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (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)

Abstract

Module de batterie à combustible 22, 39 pourvu d'une pluralité d'éléments de batterie à combustible 1, 29, 40 et d'au moins une plaque de distribution d'écoulement 13, 33, 44. Chaque élément de la pluralité d'éléments de batterie à combustible 1, 29, 40 comprend au moins un élément de production d'énergie 7. L'élément de production d'énergie 7 comprend une couche d'électrolyte 5, et une première électrode 4 et une seconde électrode 6 qui prennent en sandwich la couche d'électrolyte 5. La plaque de distribution d'écoulement 13, 33, 44 délimite un passage pour un gaz combustible et/ou un gaz oxydant apportés à la première électrode 4 et à la seconde électrode 6. La plaque de distribution d'écoulement 13, 33, 44 possède une première surface et une seconde surface, et comprend un premier trou traversant de plaque de distribution d'écoulement 16 ou un passage d'écoulement côté alimentation 45 pénétrant de la première surface à la seconde surface. Le passage bifurque dans la première surface et la seconde surface par le premier trou traversant de plaque de distribution d'écoulement 16 ou le passage d'écoulement côté alimentation 45.
PCT/JP2020/021115 2020-05-28 2020-05-28 Module de batterie à combustible et système de batterie à combustible WO2021240722A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/JP2020/021115 WO2021240722A1 (fr) 2020-05-28 2020-05-28 Module de batterie à combustible et système de batterie à combustible
TW110116172A TWI748920B (zh) 2020-05-28 2021-05-05 燃料電池模組及燃料電池系統

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/021115 WO2021240722A1 (fr) 2020-05-28 2020-05-28 Module de batterie à combustible et système de batterie à combustible

Publications (1)

Publication Number Publication Date
WO2021240722A1 true WO2021240722A1 (fr) 2021-12-02

Family

ID=78723108

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/021115 WO2021240722A1 (fr) 2020-05-28 2020-05-28 Module de batterie à combustible et système de batterie à combustible

Country Status (2)

Country Link
TW (1) TWI748920B (fr)
WO (1) WO2021240722A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03102774A (ja) * 1989-06-28 1991-04-30 Mitsubishi Heavy Ind Ltd 固体高分子電解質型燃料電池
WO2002080299A1 (fr) * 2001-03-29 2002-10-10 Matsushita Electric Industrial Co., Ltd. Pile à combustible en couche mince à électrolyte hautement polymérisé et principe de fonctionnement
FR2894075A1 (fr) * 2005-11-30 2007-06-01 St Microelectronics Sa Support de pile a combustible integree
JP2018163753A (ja) * 2017-03-24 2018-10-18 株式会社豊田中央研究所 固体酸化物形燃料電池

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102087475B1 (ko) * 2016-09-30 2020-03-10 주식회사 엘지화학 고체 산화물 연료전지
KR20200135835A (ko) * 2018-03-30 2020-12-03 오사까 가스 가부시키가이샤 전기화학 소자의 금속 지지체, 전기화학 소자, 전기화학 모듈, 전기화학 장치, 에너지 시스템, 고체 산화물형 연료 전지, 고체 산화물형 전해 셀 및 금속 지지체의 제조 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03102774A (ja) * 1989-06-28 1991-04-30 Mitsubishi Heavy Ind Ltd 固体高分子電解質型燃料電池
WO2002080299A1 (fr) * 2001-03-29 2002-10-10 Matsushita Electric Industrial Co., Ltd. Pile à combustible en couche mince à électrolyte hautement polymérisé et principe de fonctionnement
FR2894075A1 (fr) * 2005-11-30 2007-06-01 St Microelectronics Sa Support de pile a combustible integree
JP2018163753A (ja) * 2017-03-24 2018-10-18 株式会社豊田中央研究所 固体酸化物形燃料電池

Also Published As

Publication number Publication date
TW202145629A (zh) 2021-12-01
TWI748920B (zh) 2021-12-01

Similar Documents

Publication Publication Date Title
US7993785B2 (en) MEMS-based fuel cells with integrated catalytic fuel processor and method thereof
US8968956B2 (en) Fuel cell repeat unit and fuel cell stack
US9123946B2 (en) Fuel cell stack
US20030039874A1 (en) MEMS-based thin-film fuel cells
JP4396467B2 (ja) 反応装置
MX2007013484A (es) Aparato y metodos con celda de combustible.
JP7250769B2 (ja) 燃料電池単セルユニット、燃料電池モジュールおよび燃料電池装置
WO2019189843A1 (fr) Pile à combustible montée sur métal et module de pile à combustible
US20050282051A1 (en) Integrated honeycomb solid electrolyte fuel cells
WO2021240722A1 (fr) Module de batterie à combustible et système de batterie à combustible
KR20070079713A (ko) 연료 개질장치 및 그 제조 방법
US8603691B2 (en) Fuel cell system with rotation mechanism
JP2008235109A (ja) 燃料電池システム
WO2009119106A1 (fr) Pile à combustible à oxyde solide
JP4994075B2 (ja) 燃料電池システム
JP5073335B2 (ja) 燃料電池システム
JP4994076B2 (ja) 燃料電池システム
WO2024122041A1 (fr) Module de pile à combustible et son procédé de fabrication
TWI779539B (zh) 燃料電池胞及燃料電池模組
JP7244470B2 (ja) 燃料電池発電モジュール
WO2019189844A1 (fr) Dispositif de pile à combustible et procédé de fonctionnement de dispositif de pile à combustible
JP5413585B2 (ja) 反応装置
JP2022156329A (ja) 電気化学モジュール、電気化学装置、エネルギーシステム、固体酸化物形燃料電池及び固体酸化物形電解セル
Ruzhnikov et al. Planar LT-SOFC, Stack and Fuel Processor Development at IPPE

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: 20937189

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20937189

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP