WO2023087445A1 - Procédé de préparation de plaque de support métallique pour pile à combustible - Google Patents

Procédé de préparation de plaque de support métallique pour pile à combustible Download PDF

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Publication number
WO2023087445A1
WO2023087445A1 PCT/CN2021/137651 CN2021137651W WO2023087445A1 WO 2023087445 A1 WO2023087445 A1 WO 2023087445A1 CN 2021137651 W CN2021137651 W CN 2021137651W WO 2023087445 A1 WO2023087445 A1 WO 2023087445A1
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Prior art keywords
wire mesh
sintering
support plate
layer
electrolyte
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PCT/CN2021/137651
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English (en)
Chinese (zh)
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包崇玺
陈志东
颜巍巍
童璐佳
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东睦新材料集团股份有限公司
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Publication of WO2023087445A1 publication Critical patent/WO2023087445A1/fr

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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
    • H01M8/02—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
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8803—Supports for the deposition of the catalytic active composition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8825—Methods for deposition of the catalytic active composition
    • H01M4/8828—Coating with slurry or ink
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/86—Inert electrodes with catalytic activity, e.g. for fuel cells
    • H01M4/88—Processes of manufacture
    • H01M4/8878—Treatment steps after deposition of the catalytic active composition or after shaping of the electrode being free-standing body
    • H01M4/8882—Heat treatment, e.g. drying, baking
    • 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 invention belongs to the technical field of fuel cells, and in particular relates to a method for preparing a metal support plate for a fuel cell.
  • the solid oxide fuel cell is an ideal fuel cell, which not only has the advantages of high efficiency and environmental friendliness of the fuel cell, but also has the following outstanding advantages: (1) The solid oxide fuel cell is an all-solid structure, and there is no liquid electrolyte band Corrosion problems and electrolyte loss problems in the future are expected to achieve long-life operation. (2) The operating temperature of the solid oxide fuel cell is 800-1000°C. Not only does the electrocatalyst not need to use noble metals, but it can also directly use natural gas, coal gas and hydrocarbons as fuel, which simplifies the fuel cell system. (3) Solid oxide fuel cells discharge high-temperature waste heat and can form a combined cycle with gas turbines or steam turbines to greatly improve the total power generation efficiency.
  • the current metal-supported solid oxide fuel cell is such as the Chinese invention patent application "A Preparation Method for a Metal Support Plate for Fuel Cell" previously applied by the applicant, whose patent application number is CN202110298584.5 (application publication number For CN113161566A) discloses a kind of preparation method for the metal supporting plate of fuel cell, comprises the following steps successively: 1) adopts in stainless steel, heat-resistant steel, nickel-based alloy, cobalt-based alloy, titanium alloy, chromium-based alloy A; 2) making the material in step 1) into a metal substrate; 3) processing micropore pores with a diameter of 0.005 to 0.5 mm on the metal substrate, and the area of the pores accounts for 3 to 70% of the total area of the plate; 4) making Cutting the plate containing the pores into the required size; 5) coating the anode slurry on the upper surface of the metal substrate to form an anode layer on the upper surface of the metal substrate; 6) coating the electrolyte slurry on the anode layer 7) coating the cath
  • the technical problem to be solved by the present invention is to provide a method for preparing a metal support plate for a fuel cell in view of the above-mentioned current state of the art, so that the prepared metal support plate is not easily deformed and has high tensile strength.
  • the technical solution adopted by the present invention to solve the above technical problems is: a method for preparing a metal support plate for a fuel cell, which is characterized in that it includes the following steps in sequence:
  • the wire mesh in step 1) is folded or stacked to obtain a multi-layer wire mesh, and the number of folded or stacked layers is 2 to 100 layers;
  • step 2) rolling or pressing the screen layer in step 2), and then sintering
  • the sintering temperature in step 3) is 1000°C-1350°C, and the sintering holding time is 5-500min.
  • the metal support plate After sintering, the metal support plate has high strength, and at the same time, the anode and the metal support plate are tightly bonded.
  • the co-sintering of the anode, electrolyte and cathode can improve production efficiency, reduce production costs, and improve the bonding state of the three interfaces of the metal support plate-anode-electrolyte-cathode.
  • the pressing in step 3 adopts: place a support plate under the multi-layer screen, place a ceramic pressing plate above the multi-layer screen, and place a heavy object on the top of the ceramic pressing plate to support
  • the plate is ceramic support plate or graphite support plate, and the weight is heat-resistant steel or tungsten alloy.
  • the use of heat-resistant steel or tungsten alloy for pressing can ensure that the bonding force between each layer of nets after sintering is strong and these materials can be reused to reduce sintering costs.
  • the multi-layer wire mesh, support plate, ceramic pressing plate and weights are put together into a sintering furnace for sintering.
  • the wire mesh is austenitic, or ferritic stainless steel, or heat-resistant stainless steel; the superalloy is GH3030, or GH4037.
  • each layer of the folded multi-layer screen has the same mesh number.
  • sintering is carried out after drying in step 5), step 6) and step 7), the sintering temperatures used in the sintering in step 5) and the sintering in step 6) are all 1050°C to 1400°C, and the sintering The time is 10-300 min.
  • the sintering temperature used in step 7) is 800°C-1200°C, the sintering time is 5-300 min, and the vacuum degree is 10 -3 Pa-10 2 Pa.
  • the mesh numbers of each layer are different, and the materials of the wire mesh in at least two layers are different.
  • the composition of the stainless steel includes the following components in terms of mass percentage: C: 0.01-0.08%, Cr: 15-25%, Al: 0-6.0%, Si: 0.2-1.2%, Ni: 0 ⁇ 11%, Mn: 0.4 ⁇ 0.8%, Mo: 0 ⁇ 3%, Iron: balance; the superalloy includes the following components in terms of mass percentage: C: 0.06 ⁇ 0.09%, Cr: 15 ⁇ 21% , Mo: 0-3%, W: 0-6%, Al: 0.1-2.2%, Ti: 0.1-2.5%, Fe: 1-5%, unavoidable impurities: less than 2%, nickel: balance. Containing chromium and other elements can ensure that the metal support plate has good corrosion resistance and mechanical properties at high temperatures, and at the same time ensure that the thermal expansion coefficient matches the electrolyte, cathode, and anode.
  • the electrolyte slurry includes butanone, ethanol, triethanolamine, polyvinyl butyral PVB, polyethylene glycol PEG, glutamic acid PHT, and also includes yttria-stabilized zirconia, LaGaO3- based electrolyte , Ba(Sr)Ce(Ln)O 3 and CeO 2 based solid electrolytes.
  • the coefficient of thermal expansion of this electrolyte slurry is close to that of the anode and cathode, and the combination is better after sintering.
  • This cathode material is tightly bonded to the electrolyte layer.
  • the present invention has the advantages that: the metal support plate for the fuel cell adopts a folded or stacked multi-layer wire mesh as the metal support plate, and its surface is flat to ensure that the anode layer is evenly covered On the mesh metal support plate, the electrolyte layer and the cathode layer are also uniformly distributed, so that the final prepared metal support plate has high tensile strength, small deformation and easy to maintain the characteristics of the plate.
  • the density is lower and the weight is lighter, which is conducive to weight reduction.
  • there is no need for adhesive and coating treatment but the support plate made of metal plate needs to be subjected to multiple coating treatments, and the cost is high.
  • the above preparation method has a simple process, can realize mass production of the metal support plate without a mold, reduces production cost, and improves production efficiency.
  • Figure 1 is a cross-sectional view of the metal support plate fuel cell structure
  • Fig. 2 is the pore morphology of the screen of step 1) in embodiment 1;
  • Fig. 3 is the topography of rolling surface after shearing in embodiment 1;
  • Fig. 5 is the topography of rolling surface after shearing in embodiment 2;
  • a wire mesh with a mesh number of 700 is used, as shown in Figure 2 for details.
  • the material of the wire mesh is 304L austenitic stainless steel; in terms of mass percentage, the stainless steel includes the following components: C: 0.015%, Cr: 19.2%, Mn: 0.6%, Si: 0.8%, Ni: 10.3%, Iron: balance;
  • step 2) Folding the wire mesh in step 1) to obtain a multilayer wire mesh, the number of folded layers is 10 layers;
  • step 2) Roll the screen layer in step 2), then put it into a vacuum sintering furnace, sinter at a vacuum degree of 0.1Pa, a sintering temperature of 1300°C, and a sintering time of 60 minutes, and take out the multi-layer after sintering and cooling silk screen;
  • the anode slurry is coated on the upper surface of the cut metal substrate, and then the uncoated lower surface of the metal substrate 4 is placed on the setter and dried, thereby forming the anode layer 2 on the upper surface of the metal substrate 4 ;
  • the aforementioned electrolyte slurry includes yttria-stabilized zirconia electrolyte, butanone, ethanol, triethanolamine, polyvinyl butyral PVB, polyethylene glycol PEG and glutamic acid PHT.
  • Step 4) The appearance of the rolling surface after cutting is shown in FIG. 3 , and the sectioned appearance is shown in FIG. 4 . From this, it can be seen that the metal substrate 4 has a certain number of pores, the pores are uniform, and the gas flow rate is stable. The metal wires are distributed vertically and horizontally to ensure good strength.
  • the tensile strength of the sintered metal support plate of this embodiment is 150MPa, and the flatness of the support plate is 0.2mm, while the compressive strength of the metal support plate prepared by using the metal powder of the same material as in this embodiment is no more than 50MPa, and the flatness Above 0.5mm. Therefore, the tensile strength of the metal support plate prepared by using the above-mentioned multi-layer wire mesh is higher.
  • the material of the wire mesh selected in step 1) is different, specifically, select 430L ferritic stainless steel wire mesh for use, and the mesh number of wire mesh is 700 orders; According to mass percentage, this stainless steel wire mesh includes the following components: comprising The following components: C: 0.010%, Cr: 17.4%, Mn: 0.8%, Si: 0.5%, Iron: the balance;
  • step 2) the wire mesh is stacked. Stack the wire mesh 10 layers and place it on the corundum board. Then cover the stacked wire mesh with a corundum board of the same size. On the corundum board (ceramic board) No heavy objects placed;
  • Step 3 Put the above-mentioned ceramic plate and wire mesh together into a push boat type sintering furnace, and sinter at a sintering temperature of 1320°C and a sintering time of 40 minutes in high-purity hydrogen with a dew point lower than -40°C. After sintering and cooling, take out the multi-layer screen;
  • Step 4) Cutting Cut the multi-layer screen in step 3) into a metal substrate of 110mm ⁇ 110mm ⁇ 0.45mm with a cutter;
  • the aforementioned anode slurry includes yttria-stabilized zirconia YSZ, NiO, butanone, ethanol, triethanolamine, starch, polyvinyl butyral PVB, polyethylene glycol PEG and glutamic acid PHT.
  • the aforementioned electrolyte slurry includes yttria-stabilized zirconia electrolyte, butanone, ethanol, triethanolamine, polyvinyl butyral PVB, polyethylene glycol PEG and glutamic acid PHT.
  • the appearance of the rolled surface after cutting is shown in FIG. 5
  • the cut appearance is shown in FIG. 6 .
  • the metal substrate has more pores, the pores are uniform, and the gas flow rate is stable.
  • the metal wires are distributed vertically and horizontally to ensure good strength.
  • the tensile strength of the sintered metal support plate in this embodiment is 120 MPa, and the flatness of the support plate is 0.15 mm.
  • the tensile strength of the metal support plate prepared by using the above-mentioned multi-layer wire mesh is higher.
  • the difference between this embodiment and the above-mentioned embodiment 2 is only that the material of the wire mesh selected in step 1) is different, specifically, FeCrAl heat-resistant steel wire mesh is selected, the mesh number of the wire mesh is 325 mesh, and the aforementioned heat-resistant steel wire Net, according to mass percentage, includes the following components: C: 0.08%, Cr: 18.7%, Al: 2.8%, Mn: 0.4%, Si: 1.1%, iron: the balance;
  • Step 2) The above-mentioned wire mesh is in the form of stacking. Stack the wire mesh 6 layers and place it on the corundum board, then cover the stacked wire mesh with the corundum board of the same size, and put it on the corundum board (ceramic board) Place a weight of 2kg;
  • Step 3 The sintering temperature is 1340° C., and the sintering time is 50 minutes;
  • Step 4 The size of the metal substrate obtained after cutting is 110mm ⁇ 110mm ⁇ 0.53mm.
  • the aforementioned electrolyte slurry includes CeO 2 -based solid electrolyte, butanone, ethanol, triethanolamine, polyvinyl butyral PVB, polyethylene glycol PEG and glutamic acid PHT.
  • the tensile strength of the metal support plate after sintering is 120MPa, and the flatness of the support plate is 0.18mm.
  • the tensile strength of the same powder material used in this embodiment is not more than 50 MPa, and the flatness is above 0.4 mm. Therefore, the metal support plate prepared by using the above-mentioned multi-layer wire mesh has a higher tensile strength.
  • the material of the wire mesh selected in step 1) is different, specifically, FeCrAl heat-resistant steel wire mesh and 304L austenitic stainless steel wire mesh are selected.
  • the mesh number of the FeCrAl heat-resistant steel wire mesh is 325 mesh
  • the above-mentioned heat-resistant steel includes the following components in terms of mass percentage: C: 0.08%, Cr: 18.7%, Al: 2.8%, Mn: 0.4%, Si : 1.1%, iron: the balance
  • 304L austenitic stainless steel wire mesh the mesh number of the wire mesh is 700 mesh, including the following components: C: 0.015%, Cr: 19.2%, Mn: 0.6%, Si: 0.8% , Ni: 10.3%, iron: balance;
  • Step 2 Stack the above-mentioned FeCrAl and 304L screens alternately, with 5 layers of screens of each material, and place them on the corundum board, then cover the stacked screens with a corundum board of the same size, place 4kg on the corundum board heavy objects;
  • Step 3 The sintering temperature is 1320° C., and the sintering time is 50 minutes;
  • Step 4 The size of the metal substrate obtained after cutting is 110mm ⁇ 110mm ⁇ 0.64mm.
  • the aforementioned electrolyte slurry includes Ba(Sr)Ce(Ln)O 3 electrolyte, butanone, ethanol, triethanolamine, polyvinyl butyral PVB, polyethylene glycol PEG and glutamic acid PHT.
  • the metal support plate prepared in this embodiment has uniform pores, small deformation and high tensile strength.
  • the material of the wire mesh selected in step 1) is different, specifically, select the superalloy (GH 3030) wire mesh for use, and the mesh number of the wire mesh is 200 orders, the aforementioned
  • the high-temperature alloy includes the following components in terms of mass percentage: C: 0.09%, Cr: 20.7%, Al: 0.13%, Ti: 0.2%, Fe: 1.1%, nickel: the balance;
  • Step 2 stack 6 layers of the above-mentioned wire mesh, put it into a rolling mill and roll it to a thickness of 0.63mm;
  • Step 3 Put the rolled plate into a vacuum sintering furnace, sinter at a vacuum degree of 0.05Pa, a sintering temperature of 1310°C, and a sintering time of 30 minutes, and take out the screen after sintering and cooling;
  • Step 4) The size of the metal substrate obtained after cutting is 110mm ⁇ 110mm ⁇ 0.63mm.
  • the metal support plate prepared in this embodiment has uniform pores, small deformation and high tensile strength.
  • Embodiment 6 is a diagrammatic representation of Embodiment 6
  • the difference between this embodiment and the above-mentioned embodiment 2 is only that the material of the wire mesh selected in step 1) is different, specifically, a superalloy (GH4037) wire mesh is selected, and the mesh number of the wire mesh is 400 mesh.
  • the alloy includes the following components: C: 0.06%, Cr: 15.4%, Mo: 2.95%, W: 5.90%, Al: 2.04%, Ti: 2.2%, Fe: 4.3%, unavoidable impurities : less than 2%, nickel: balance;
  • Step 2 stack 8 layers of the above-mentioned wire mesh, put it into a rolling mill and roll it to a thickness of 0.51mm;
  • Step 3 Put the rolled plate into a vacuum sintering furnace, sinter at a vacuum degree of 0.05Pa, a sintering temperature of 1290°C, and a sintering time of 90 minutes, and take out the screen after sintering and cooling;
  • Step 4) The size of the metal substrate obtained after cutting is 110mm ⁇ 110mm ⁇ 0.51mm.
  • the metal support plate prepared in this embodiment has uniform pores, small deformation and high tensile strength.
  • Embodiment 7 is a diagrammatic representation of Embodiment 7:
  • the material of the wire mesh selected in step 1) is different, specifically, a superalloy (GH4037) wire mesh and a 434L ferritic stainless steel wire mesh are selected.
  • the mesh number of GH4037 wire mesh is 400 mesh
  • the above-mentioned superalloy includes the following components in terms of mass percentage: C: 0.06%, Cr: 15.4%, Mo: 2.95%, W: 5.90%, Al: 2.04%, Ti: 2.2%, Fe: 4.3%, unavoidable impurities: less than 2%, nickel: balance
  • 434L ferritic stainless steel wire mesh the mesh number of ferritic stainless steel wire mesh is 600 mesh, the aforementioned ferritic stainless steel
  • mass percentage it includes the following components: C: 0.010%, Cr: 17.4%, Mn: 0.8%, Si: 0.5%, iron: the balance;
  • Step 2) 10 layers of the above two kinds of wire meshes are respectively stacked, in the form of alternately stacked, put into a rolling mill and rolled to a thickness of 0.95 mm;
  • Step 3 Put the rolled plate into a vacuum sintering furnace, sinter at a vacuum degree of 0.05Pa, a sintering temperature of 1290°C, and a sintering time of 90 minutes, and take out the screen after sintering and cooling;
  • Step 4) The size of the metal substrate obtained after cutting is 110mm ⁇ 110mm ⁇ 0.95mm.
  • the metal support plate prepared in this embodiment has uniform pores, small deformation and high tensile strength.
  • Embodiment 8 is a diagrammatic representation of Embodiment 8
  • the material of the wire mesh selected in step 1) is different, specifically, a superalloy (GH4037) wire mesh and a 434L ferritic stainless steel wire mesh are selected.
  • the mesh number of the superalloy (GH4037) wire mesh is 400 mesh
  • the superalloy (GH4037) wire mesh includes the following components in terms of mass percentage: C: 0.06%, Cr: 15.4%, Mo: 2.95%, W: 5.90%, Al: 2.04%, Ti: 2.2%, Fe: 4.3%, unavoidable impurities: less than 2%, nickel: balance; 434L ferritic stainless steel wire mesh, the mesh number of the wire mesh is 600 mesh, including The following components: C: 0.010%, Cr: 17.4%, Mn: 0.8%, Si: 0.5%, iron: the balance; FeCrAl heat-resistant steel wire mesh, the mesh of the wire mesh is 325 mesh, 434L ferritic stainless steel according to In terms of mass percentage
  • Step 2 The above-mentioned three kinds of wire meshes are stacked with 5 layers respectively, in the form of alternately stacked, put into a rolling mill and rolled to a thickness of 0.85mm;
  • Step 3 Put the rolled plate into a vacuum sintering furnace, sinter at a vacuum degree of 0.05Pa, a sintering temperature of 1290°C, and a sintering time of 90 minutes, and take out the screen after sintering and cooling;
  • Step 4) The size of the metal substrate obtained after cutting is 110mm ⁇ 110mm ⁇ 0.85mm.
  • the metal support plate prepared in this embodiment has uniform pores, small deformation and high tensile strength.
  • Embodiment 9 is a diagrammatic representation of Embodiment 9:
  • the material of the wire mesh selected in step 1) is different, specifically, the material of the wire mesh is 304L austenitic stainless steel and superalloy (GH4037) wire mesh;
  • 304L austenitic stainless steel in terms of mass percentage, the stainless steel includes the following components: C: 0.01%, Cr: 17%, Mn: 0.6%, Si: 0.2%, Ni: 11%, iron: the balance;
  • Superalloy (GH4037) wire mesh includes the following components in terms of mass percentage: C: 0.07%, Cr: 21%, Mo: 3%, W: 6%, Al: 2.2%, Ti: 2.5%, Fe: 5 %, unavoidable impurities: less than 2%, nickel: the balance.
  • the sintering temperature in step 3) is 1350° C., and the sintering holding time is 5 minutes.
  • step 5 step 6) and step 7), sintering is carried out after drying, the sintering temperature adopted in the sintering in step 5) and the sintering in step 6) are all 1050° C., and the sintering time is 10 min.
  • the sintering temperature in 7) is 800° C., the sintering time is 5 minutes, and the vacuum degree is 10 ⁇ 3 Pa.
  • the material of the wire mesh selected in step 1) is different, specifically, the material of the wire mesh is 304L austenitic stainless steel and superalloy (GH4037) wire mesh;
  • 304L austenitic stainless steel according to the mass percentage, the stainless steel includes the following components: C: 0.07%, Cr: 20%, Mn: 0.5%, Si: 1.2%, Ni: 5%, iron: the balance;
  • Superalloy (GH4037) wire mesh includes the following components in terms of mass percentage: C: 0.08%, Cr: 15%, Mo: 2%, W: 3%, Al: 0.1%, Ti: 0.1%, Fe: 1 %, unavoidable impurities: less than 2%, nickel: the balance.
  • the sintering temperature in step 3) is 1000°C, and the sintering holding time is 500min.
  • step 5), step 6) and step 7), sintering is carried out after drying, the sintering temperature adopted in the sintering in step 5) and the sintering in step 6) are all 1400° C., and the sintering time is 300 min.
  • the sintering temperature in 7) is 1200° C., the sintering time is 300 min, and the vacuum degree is 10 2 Pa.
  • step 5 step 6) and step 7) all carry out sintering after drying, the sintering in step 5) and the sintering in step 6) adopt the sintering
  • the temperature is 1200° C., and the sintering time is 50 minutes.
  • the sintering temperature used in step 7) is 900° C., the sintering time is 60 minutes, and the vacuum degree is 10 2 Pa.

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Abstract

La présente invention concerne un procédé de préparation d'une plaque de support métallique pour une pile à combustible. Le procédé comprend spécifiquement les étapes suivantes : 1) sélectionner un maillage de fil métallique ; 2) plier ou empiler le treillis métallique à l'étape1) ; 3) laminer et presser le treillis métallique plié ou empilé, puis fritter celui-ci ; 4) couper le treillis métallique multicouche fritté ; 5) former une couche d'anode sur une surface supérieure d'un substrat métallique ; 6) former un revêtement d'électrolyte sur une surface supérieure de la couche d'anode ; et 7) former une couche de cathode sur une surface supérieure du revêtement d'électrolyte, ce qui permet de fabriquer une plaque de support métallique. Un treillis métallique multicouche plié ou empilé en utilisant un treillis de fil métallique est utilisé comme plaque de connexion métallique, ce qui permet à la plaque de support métallique préparée finale d'avoir une résistance élevée et une faible déformation.
PCT/CN2021/137651 2021-11-22 2021-12-14 Procédé de préparation de plaque de support métallique pour pile à combustible WO2023087445A1 (fr)

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CN202111388830.2 2021-11-22
CN202111388830.2A CN114188561A (zh) 2021-11-22 2021-11-22 一种用于燃料电池的金属支撑板的制备方法

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007012287A (ja) * 2005-06-28 2007-01-18 Kyocera Corp 燃料電池セル及び燃料電池スタック並びに燃料電池
CN101181646A (zh) * 2007-12-06 2008-05-21 上海交通大学 强韧型烧结金属网状多孔材料的制备方法
JP2009117221A (ja) * 2007-11-08 2009-05-28 Toyota Motor Corp スタック構造を有する燃料電池
CN102324526A (zh) * 2011-08-25 2012-01-18 哈尔滨佳泰达科技有限公司 一种微生物燃料电池复合材料阳极及制造方法
CN110237599A (zh) * 2019-05-29 2019-09-17 西部宝德科技股份有限公司 一种粉网复合材料及其加工方法
CN113161566A (zh) * 2021-03-19 2021-07-23 东睦新材料集团股份有限公司 一种用于燃料电池的金属支撑板的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4476002A (en) * 1982-06-29 1984-10-09 Union Carbide Corporation Metal current carrier for electrochemical cell electrodes
US7232626B2 (en) * 2002-04-24 2007-06-19 The Regents Of The University Of California Planar electrochemical device assembly
US20070072046A1 (en) * 2005-09-26 2007-03-29 General Electric Company Electrochemcial cell structures and methods of making the same
US20100040926A1 (en) * 2008-06-23 2010-02-18 Nuvera Fuel Cells, Inc. Consolidated fuel cell electrode
US20110212379A1 (en) * 2008-11-21 2011-09-01 Jean Yamanis Method of forming a fuel cell sheet
CN113054215A (zh) * 2021-03-19 2021-06-29 东睦新材料集团股份有限公司 一种用于燃料电池的金属支撑板的制造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007012287A (ja) * 2005-06-28 2007-01-18 Kyocera Corp 燃料電池セル及び燃料電池スタック並びに燃料電池
JP2009117221A (ja) * 2007-11-08 2009-05-28 Toyota Motor Corp スタック構造を有する燃料電池
CN101181646A (zh) * 2007-12-06 2008-05-21 上海交通大学 强韧型烧结金属网状多孔材料的制备方法
CN102324526A (zh) * 2011-08-25 2012-01-18 哈尔滨佳泰达科技有限公司 一种微生物燃料电池复合材料阳极及制造方法
CN110237599A (zh) * 2019-05-29 2019-09-17 西部宝德科技股份有限公司 一种粉网复合材料及其加工方法
CN113161566A (zh) * 2021-03-19 2021-07-23 东睦新材料集团股份有限公司 一种用于燃料电池的金属支撑板的制备方法

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