WO2007148805A1 - 補強型電解質膜および膜電極接合体の製造方法 - Google Patents
補強型電解質膜および膜電極接合体の製造方法 Download PDFInfo
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- WO2007148805A1 WO2007148805A1 PCT/JP2007/062637 JP2007062637W WO2007148805A1 WO 2007148805 A1 WO2007148805 A1 WO 2007148805A1 JP 2007062637 W JP2007062637 W JP 2007062637W WO 2007148805 A1 WO2007148805 A1 WO 2007148805A1
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- Prior art keywords
- membrane
- electrolyte
- resin
- porous reinforcing
- reinforced
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Classifications
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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
- H01M8/0289—Means for holding the electrolyte
- H01M8/0295—Matrices for immobilising electrolyte melts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0002—Organic membrane manufacture
- B01D67/002—Organic membrane manufacture from melts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/07—Flat, e.g. panels
- B29C48/08—Flat, e.g. panels flexible, e.g. films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/08—Impregnating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1039—Polymeric electrolyte materials halogenated, e.g. sulfonated polyvinylidene fluorides
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
- H01M8/1083—Starting from polymer melts other than monomer melts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1069—Polymeric electrolyte materials characterised by the manufacturing processes
- H01M8/1086—After-treatment of the membrane other than by polymerisation
- H01M8/1088—Chemical modification, e.g. sulfonation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/081—Heating
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/08—Specific temperatures applied
- B01D2323/082—Cooling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2323/00—Details relating to membrane preparation
- B01D2323/46—Impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/42—Ion-exchange membranes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/755—Membranes, diaphragms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2457/00—Electrical equipment
- B32B2457/18—Fuel cells
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2250/00—Fuel cells for particular applications; Specific features of fuel cell system
- H01M2250/20—Fuel cells in motive systems, e.g. vehicle, ship, plane
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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
- H01M2300/00—Electrolytes
- H01M2300/0017—Non-aqueous electrolytes
- H01M2300/0065—Solid electrolytes
- H01M2300/0082—Organic polymers
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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
- H01M2300/00—Electrolytes
- H01M2300/0085—Immobilising or gelification of electrolyte
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2300/00—Electrolytes
- H01M2300/0088—Composites
- H01M2300/0091—Composites in the form of mixtures
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1041—Polymer electrolyte composites, mixtures or blends
- H01M8/1044—Mixtures of polymers, of which at least one is ionically conductive
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/10—Fuel cells with solid electrolytes
- H01M8/1016—Fuel cells with solid electrolytes characterised by the electrolyte material
- H01M8/1018—Polymeric electrolyte materials
- H01M8/1058—Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties
- H01M8/106—Polymeric electrolyte materials characterised by a porous support having no ion-conducting properties characterised by the chemical composition of the porous support
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/40—Application of hydrogen technology to transportation, e.g. using fuel cells
Definitions
- the present invention relates to a reinforcing electrolyte membrane used in a fuel cell and a method for producing a membrane electrode assembly provided with the reinforcing electrolyte membrane.
- a polymer electrolyte fuel cell is known as one form of the fuel cell.
- Solid polymer fuel cells have a lower operating temperature (about 80 ° C to 100 ° C) compared to other types of fuel cells, and can be manufactured at low cost and compact size. It is expected as a power source for
- the polymer electrolyte fuel cell is composed of a membrane electrode assembly (MEA) 60 as a main component, and a separator 6 having a fuel (hydrogen) gas flow path and an air gas flow path.
- MEA membrane electrode assembly
- a single fuel cell 65 called a single cell is formed by being sandwiched between 3 and 63.
- the membrane electrode assembly 60 is formed by laminating an anode side electrode catalyst layer 6 2 a on one side of an electrolyte membrane 61 which is an ion exchange membrane, and a force sword side electrode catalyst layer 6 2 on the other side.
- b has a laminated structure.
- Patent Document 1 discloses that a porous reinforcing film (for example, a thin film formed by stretching PTFE or polyolefin resin) is used as a solvent.
- a method for producing a reinforced electrolyte membrane in which a dissolved polymer (electrolyte resin) is impregnated and an ion exchange group is introduced into the electrolyte polymer after drying.
- Patent Document 2 a porous reinforcing film continuously supplied from a screw extruder is used.
- P2007 / 062637 The process of pressure impregnating the heated and melted electrolyte resin (polymer) through the resin mold is performed on both sides of the porous reinforcing membrane, and then the ion polymer is introduced into the electrolyte polymer for reinforcement.
- the electrode catalyst layers 6 2 a and 6 2 b mainly contain an electrode catalyst material composed of an electrode catalyst such as platinum-supported carbon and an electrolyte resin, and are described in the electrolyte membrane 61 or Patent Documents 1 and 2. It is applied to a reinforced electrolyte membrane by a screen printing method or the like and dried to obtain a membrane electrode assembly 60 (see Patent Document 3, etc.).
- Patent Document 1 Japanese Patent Application Laid-Open No. 9-1 1 9 4 6 0 9
- Patent Document 2 Japanese Patent Laid-Open No. 2 0 0 5-1 6 2 7 8 4
- Patent Document 3 Japanese Patent Laid-Open No. Hei 9-180 0 2 8 Disclosure of Invention
- the porous reinforcing membrane is directly impregnated with the heated and melted electrolyte resin instead of the electrolyte resin dissolved in the solvent, and the durability is excellent.
- a chemically stable reinforced electrolyte membrane can be obtained.
- the equipment is somewhat complicated, for example, equipment for pressure-impregnating the porous reinforcing membrane with the molten electrolyte resin is placed on both sides of the continuously supplied porous reinforcing membrane.
- the present invention has been made in view of the circumstances as described above, and it is possible to produce a captive electrolyte membrane obtained by directly impregnating a porous reinforcing membrane with a molten electrolyte resin by a simpler method. It aims at providing the new manufacturing method which can be performed. It is another object of the present invention to provide a new method for producing a membrane electrode assembly using the production method. Means for solving the problem
- a first aspect of the method for producing a reinforced electrolyte membrane according to the present invention is 07 062637
- a method for manufacturing a reinforced electrolyte membrane in which a porous reinforcing membrane is embedded in which a heated and melted electrolyte resin is extruded from a resin discharge port of a die, and a porous strength is obtained in the extruded molten electrolyte resin.
- the step of supplying the membrane and the porous reinforcing membrane supplied by two heated rotating rolls arranged opposite to each other are embedded in the molten electrolyte resin, and the porous reinforcing membrane is impregnated with the molten electrolyte resin. Including at least a process to be performed.
- the electrolyte resin heated and melted by a kneading and extruding device known in the art is sent to the die, and the heated and melted electrolyte resin is continuously extruded from the resin discharge port of the die into a thin film at a constant pressure.
- a porous reinforcing membrane is supplied into the extruded molten electrolyte resin by an appropriate method.
- two porous reinforcing films are supplied along both sides of the extruded molten electrolyte resin.
- the supplied porous reinforcing membrane is press-fitted into the molten electrolyte resin by two heated rotating rolls arranged to face each other.
- the porous reinforcing membrane is embedded in the molten electrolyte resin by pressing the porous reinforcing membrane, and at the same time, the molten electrolyte in the porous reinforcing membrane.
- the resin is impregnated, and part of it exudes to the surface side. In this state, the molten electrolyte resin and the porous reinforcing membrane are fed together downstream by the extrusion force of the resin and the rotational force of the heated rotating roll, and become a reinforcing electrolyte membrane.
- the electrolyte resin used in the present invention is preferably a fluorine-type electrolyte resin that does not thermally deteriorate. In that case, the produced reinforced electrolyte membrane is given ion exchange properties to the electrolyte polymer by hydrolysis or the like. Further processing is performed.
- the porous reinforcing membrane can be used as it is.
- P2007 / 062637 include porous reinforcing membranes made by stretching PTFE (polytetrafluoroethylene), polyolefin resin, etc. in a uniaxial or biaxial direction.
- the thickness is preferably about 5 to 50 ⁇ m. .
- the present application also discloses a novel manufacturing method for manufacturing a membrane electrode assembly including a reinforcing electrolyte membrane based on the above-described manufacturing method of a reinforced electrolyte membrane. That is, a method for producing a membrane electrode assembly having an electrode catalyst layer on both sides of a reinforced electrolyte membrane in which a porous reinforcing membrane is embedded in an electrolyte resin according to the present invention, the method comprising: A step of extruding fat from a resin discharge port of the die, a step of supplying a porous reinforcing film into the extruded molten electrolyte resin, and electrode catalyst particles or electrode catalyst particles and electrolyte resin particles on two heated rotating rolls arranged opposite to each other And applying the mixture to the molten electrolyte resin by a heated rotating roll coated with the mixture, thereby allowing the molten electrolyte resin to be contained in the porous reinforcement membrane.
- the above-described method for producing a membrane electrode assembly is the above-described method for producing a reinforced electrolyte membrane, and further includes electrode catalyst particles or two catalyst electrodes disposed on two heated rotating tools arranged opposite to each other with the supplied porous reinforcement membrane interposed therebetween. It is characterized in that a process of applying a mixture of electrode catalyst particles and electrolyte resin particles is added.
- the surface of the rotating rolls has electrode catalyst particles or electrode catalyst particles and electrolyte resin particles.
- the electrode catalyst particles adhere to the surface of the reinforced electrolyte membrane to form an electrode catalyst layer.
- the membrane electrode assembly provided with the formed reinforced electrolyte membrane is sent downstream by the pushing force of the resin and the rotating force of the heated rotating roll.
- the membrane electrode assembly produced in this way suppresses the formation of an interface between the electrode catalyst layer and the electrolyte membrane because the electrode catalyst particles are arranged on the surface of the molten electrolyte resin.
- the two are more firmly integrated.
- a mixture of electrode catalyst particles and electrolyte resin particles (desirably less than a few ⁇ HI) was heated.
- PT / JP2007 / 062637 When it is applied to a rotating roll, the electrolyte resin particles melt on the heated rotating nozzle and function as a binder for the electrode catalyst particles. This further improves the connectivity and speeds up the process.
- the electrolyte resin is preferably a fluorine-type electrolyte resin that does not deteriorate by heat.
- the membrane electrode assembly produced is subjected to a treatment that imparts ion exchange properties to the electrolyte polymer by a hydrolysis treatment or the like. Do more.
- a second aspect of the method for producing a reinforced electrolyte membrane according to the present invention is a method for producing a reinforced electrolyte membrane in which a porous reinforcing membrane is embedded in an electrolyte resin, the porous reinforced membrane being passed through.
- the electrolyte resin and the porous reinforcing membrane to be used may be the same as those in the first embodiment.
- the porous scavenging membrane moves from the top to the bottom through the membrane passage formed in the die, preferably substantially at the center.
- molten electrolytic resin is extruded at a low pressure from a pair of resin discharge ports located on both sides of the porous reinforcing membrane, and impregnated in the porous reinforcing membrane.
- the manufacturing process can be greatly simplified.
- the movement of the porous reinforcing membrane is only due to the extrusion force created by the viscoelasticity of the resin, and it is possible to avoid the porous reinforcing membrane being a thin film from being damaged by the tensile force or the like.
- the die is preferably heated to 200 to 300 ° C. so that the molten resin does not change in the melted state due to cooling in the process of the molten electrolyte resin passing through the die and reaching the resin discharge port. It is desirable to keep it. It is also preferable to cover the outer periphery of the die with a heat insulating layer.
- a deaeration chamber communicating with a vacuum pump is formed at the inlet of the membrane passageway of the die, and the porous reinforcing membrane in a state where the porous portion is deaerated is passed through the deaeration chamber. Supply from. Thereby, it is possible to speed up the impregnation of the porous electrolyte membrane with the molten electrolyte resin, and it is possible to suppress the air from entering the membrane.
- the second aspect it is also preferable to use a die in which the clearance between the die wall portion in the membrane passage and the porous reinforcing film is narrower on the inlet side than on the outlet side.
- the shear resistance acting on the molten electrolyte resin is large on the inlet side and small on the outlet side, so the molten electrolyte resin pushed out from the resin discharge port can easily move to the outlet side, and the porous reinforcement impregnated with the resin Movement to the outlet side of the membrane is smoother.
- a degassing chamber is formed at the entrance of the membrane passage of the die, it is possible to prevent the resin from flowing backward from the clearance on the inlet side.
- the size of the clearance is determined experimentally or by calculation in consideration of the physical properties of the molten electrolyte resin to be used, the pressure of the molten electrolyte resin when being fed into the die, or the thickness and porosity of the porous reinforcing membrane. Although it is set, when manufacturing a reinforced electrolyte membrane that is in practical use, the clearance on the inlet side is preferably several 10 ⁇ m or less.
- the length in the membrane passage required for impregnating the porous reinforcing membrane with the molten electrolyte resin extruded from the resin discharge port is the thickness and porosity of the porous reinforcing membrane, and the porous material impregnated with the resin. It is set experimentally or by calculation in consideration of the feeding (movement) speed of the reinforcing membrane and the viscoelasticity of the molten electrolyte resin, etc. It is preferable when manufacturing a reinforced electrolyte membrane that is in practical use. Is in the range of several mm to several 10 mm.
- a reinforced electrolyte membrane obtained by directly impregnating a porous reinforcing membrane with a molten electrolyte resin can be produced by a simple method.
- a membrane electrode assembly having a reinforced electrolyte membrane can be easily manufactured by making a slight modification to the method for manufacturing the reinforced electrolyte membrane.
- FIG. 1 is a schematic diagram illustrating a first embodiment of a method for producing a reinforced electrolyte membrane according to the present invention.
- FIG. 2 is a schematic diagram of a main part for explaining a method for producing a membrane electrode assembly by modifying the first embodiment.
- Fig. 3 is a graph showing an example of the relationship between the required amount of electrolyte resin and the strength of the strength-type electrolyte film in the case of the method of manufacturing the membrane electrode assembly shown in Fig. 2.
- FIG. 4 is a schematic diagram for explaining a second embodiment of the method for producing a reinforced electrolyte membrane according to the present invention.
- FIG. 5 is a schematic diagram for explaining in detail the die used in the second embodiment.
- FIG. 6 is a schematic diagram for explaining another form of the die used in the second embodiment.
- FIG. 7 is a schematic diagram for explaining still another form of the die used in the second embodiment.
- Fig. 9 is a schematic diagram for explaining an example of a polymer electrolyte fuel cell. Explanation of symbols
- Membrane passage way inlet 5 1 b: Membrane passage exit
- 5 4 Vacuum pump
- 5 5 Degassing chamber
- 5 6 Relief path
- p Molten electrolyte resin
- S Distance between rotating rolls
- FIG. 1 is a schematic diagram for explaining a first embodiment of a method for producing a reinforced electrolyte membrane according to the present invention
- FIG. 2 explains a method for producing a membrane electrode assembly by modifying the first embodiment. It is a schematic diagram of the principal part for this.
- FIG. 3 is a graph showing an example of the relationship between the required amount of electrolyte resin and the thickness of the reinforced electrolyte film in the case of the method for manufacturing the membrane electrode assembly shown in FIG. 4 to 8 are schematic views for explaining a second embodiment of the method for producing a reinforced electrolyte membrane according to the present invention.
- a pair of rotating rolls 4 a and 4 b are arranged facing each other with an interval S so that the molten electrolyte resin P to be extruded is sandwiched from both sides.
- Each of the rotating rolls 4a and 4b rotates in the direction of arrow a and is heated to a temperature of about 200 to 300 ° C by a heating means (not shown) such as a hot wire heater.
- a heating means such as a hot wire heater.
- the distance between the axes of the two rotating rolls 4 a and 4 b is variable, and in this case, the distance S between the rolls is changed by changing the distance between the axes S a. be able to.
- the interval 3 between the two rotating rolls 4 a and 413 is set to be narrower than the film thickness W of the scavenging electrolyte membrane 20 to be obtained.
- porous reinforcing membrane supply rolls 5 a and 5 b are positioned so as to sandwich the die 2, and then pass through the gap between the tip of the die 2 and the two rotating rolls 4 a and 4.
- the porous reinforcing membranes 6 a and 6 b are supplied.
- the porous reinforcing membranes 6a and 6b are obtained by stretching PTFE or polyolefin resin in the uniaxial direction or biaxial direction, and are used in conventionally known reinforced electrolyte membranes.
- the porous reinforcing membrane 62637 can be used as it is.
- the thickness is preferably about 5 to 50 ⁇ m. Note that one or three or more porous reinforcing membranes may be supplied.
- the porous reinforcing membranes 6 a and 6 b are pulled out from the porous reinforcing membrane supply rolls 5 a. And 5 b and passed through the gap S between the two rotating rolls 4 a and 4 b. .
- the rotating rolls 4 a and 4 b are heated to 2 00 to 3 0 0 ° C.
- the kneading and extruding device 1 is operated to feed the heated and melted electrolyte resin P into the die 2 with a predetermined pressure.
- the fed molten electrolyte resin P is quantified and extruded from the resin discharge port 3 of the die 2 at a constant pressure, and as shown in a virtual circle c 1 in FIG. 1, two porous reinforcing membranes 6 a, 6 Get in between. That is, the two porous reinforcing membranes 6 a and 6 b are supplied so as to sandwich the extruded molten electrolyte resin P.
- the two porous reinforcing membranes 6a and 6b are sent downstream at a speed corresponding to the rotation of the rotating rolls 4a and 4b.
- the two porous reinforcing membranes 6a and 6b are placed in the molten electrolyte resin p by the two heated rotating rolls 4a and 4b arranged opposite to each other.
- the porous reinforcing films 6a and 6b are embedded in the molten electrolyte resin.
- the manufactured membrane electrode assembly 40 passes through the cooling rolls 7a and 7b located on the downstream side in the same manner as the capture type electrolyte membrane 20 shown in FIG. As a result, the electrolyte polymer in the electrolyte membrane is given a treatment for ion exchange when it is cooled and passes through the hydrolysis device 8.
- the electrolyte resin is heated and melted at a temperature of 200 ° C. or higher and lower than 30 ° C. and supplied to the resin supply paths 5 3 a and 5 3 b.
- the temperature of the molten electrolyte resin p is set to 25 0 to 2 80 to stabilize the resin viscosity (about 1 00 0 to 30 00 pa ⁇ s).
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Electrochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mechanical Engineering (AREA)
- Fuel Cell (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US12/305,464 US20090174105A1 (en) | 2006-06-21 | 2007-06-18 | Method of manufacturing reinforced electrolyte membrane and membrane electrode assembly |
| CN2007800230317A CN101473477B (zh) | 2006-06-21 | 2007-06-18 | 补强型电解质膜和膜电极接合体的制造方法 |
| EP07767446A EP2037521B1 (en) | 2006-06-21 | 2007-06-18 | Method of manufacturing a reinforced electrolyte membrane |
| CA2654426A CA2654426C (en) | 2006-06-21 | 2007-06-18 | Method of manufacturing reinforced electrolyte membrane and membrane electrode assembly |
| US12/926,249 US20110049746A1 (en) | 2006-06-21 | 2010-11-04 | Method of manufacturing reinforced electrolyte membrane and membrane electrode assembly |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006171852A JP5023570B2 (ja) | 2006-06-21 | 2006-06-21 | 補強型電解質膜および膜電極接合体の製造方法 |
| JP2006-171852 | 2006-06-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US12/926,249 Division US20110049746A1 (en) | 2006-06-21 | 2010-11-04 | Method of manufacturing reinforced electrolyte membrane and membrane electrode assembly |
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| WO2007148805A1 true WO2007148805A1 (ja) | 2007-12-27 |
Family
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| US (2) | US20090174105A1 (ja) |
| EP (1) | EP2037521B1 (ja) |
| JP (1) | JP5023570B2 (ja) |
| CN (1) | CN101473477B (ja) |
| CA (1) | CA2654426C (ja) |
| WO (1) | WO2007148805A1 (ja) |
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| WO2014027441A1 (ja) * | 2012-08-14 | 2014-02-20 | トヨタ自動車株式会社 | 燃料電池用電解質膜およびその製造方法 |
| JP2019145258A (ja) * | 2018-02-19 | 2019-08-29 | トヨタ自動車株式会社 | 膜電極接合体の製造方法 |
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| JP6131973B2 (ja) | 2014-03-14 | 2017-05-24 | トヨタ自動車株式会社 | 補強型電解質膜の製造方法、膜電極接合体の製造方法、及び、膜電極接合体 |
| JP6112051B2 (ja) * | 2014-03-17 | 2017-04-12 | トヨタ自動車株式会社 | 補強型電解質膜の製造方法及び膜電極接合体 |
| JP6278932B2 (ja) * | 2014-08-04 | 2018-02-14 | 本田技研工業株式会社 | 燃料電池用膜−電極接合体及び固体高分子形燃料電池 |
| JP2017068956A (ja) * | 2015-09-29 | 2017-04-06 | 本田技研工業株式会社 | 燃料電池用樹脂枠付き電解質膜・電極構造体 |
| JP6868962B2 (ja) * | 2016-03-11 | 2021-05-12 | 株式会社Screenホールディングス | 膜・電極層接合体の製造装置および製造方法 |
| EP3229303B1 (en) * | 2016-04-06 | 2019-07-31 | Greenerity GmbH | Method and device for preparing a catalyst coated membrane |
| DE102018211189A1 (de) * | 2018-07-06 | 2020-01-09 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Herstellung eines Elektrodenmaterialbandes |
| CN109243709B (zh) * | 2018-09-11 | 2020-07-10 | 江苏亨通高压海缆有限公司 | 一种电缆用除气流水线 |
| KR102598553B1 (ko) * | 2018-12-24 | 2023-11-03 | 현대자동차주식회사 | 막 전극 접합체의 열 처리 장치 및 열 처리 방법 |
| FR3105066B1 (fr) * | 2019-12-24 | 2022-01-07 | Renault Sas | Dispositif de fabrication d’une electrode pour batterie comprenant une extrudeuse incorporant un collecteur de courant |
| GB2602265B (en) * | 2020-12-17 | 2025-03-05 | Dyson Technology Ltd | Apparatus for making an electrode-electrolyte structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61216266A (ja) * | 1985-03-20 | 1986-09-25 | Matsushita Electric Ind Co Ltd | 溶融塩燃料電池の製造法 |
| JPH0261912A (ja) * | 1988-08-26 | 1990-03-01 | Japan Synthetic Rubber Co Ltd | 固体電解質シートの製造方法 |
| JPH09180728A (ja) | 1995-12-27 | 1997-07-11 | Tokyo Gas Co Ltd | 固体高分子型燃料電池用電極、その製造方法及び装置 |
| JPH09194609A (ja) | 1996-01-25 | 1997-07-29 | Sumitomo Electric Ind Ltd | イオン交換膜およびその製造方法 |
| WO2002005372A1 (en) * | 2000-07-06 | 2002-01-17 | Matsushita Electric Industrial Co., Ltd. | Method for producing electrolyte film-electrode joint |
| WO2004088678A1 (ja) * | 2003-03-28 | 2004-10-14 | Sumitomo Chemical Company, Limited | 高分子電解質膜の連続的製造方法およびその製造装置 |
| JP2005082728A (ja) * | 2003-09-09 | 2005-03-31 | Toagosei Co Ltd | 機能性膜の連続製造方法 |
| JP2005162784A (ja) | 2003-11-28 | 2005-06-23 | Toyota Motor Corp | イオン交換膜の製造装置および製造方法 |
| WO2006043706A1 (ja) * | 2004-10-21 | 2006-04-27 | Sumitomo Chemical Company, Limited | 積層体の製造方法及び製造装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56118276A (en) * | 1980-02-21 | 1981-09-17 | Hitachi Ltd | Manufacture of electrolyte plate for fuel cell |
| US4465533A (en) * | 1983-01-13 | 1984-08-14 | Eltech Systems Limited | Method for making polymer bonded electrodes |
| US4849311A (en) * | 1986-09-24 | 1989-07-18 | Toa Nenryo Kogyo Kabushiki Kaisha | Immobilized electrolyte membrane |
| EP1328993A2 (en) * | 2000-10-27 | 2003-07-23 | E.I. Du Pont De Nemours And Company | Production of catalyst coated membranes |
| US7179860B2 (en) * | 2001-03-13 | 2007-02-20 | Liwei Cao | Crosslinked polymer electrolyte membranes for heat, ion and moisture exchange devices |
| JP3888233B2 (ja) * | 2001-09-17 | 2007-02-28 | トヨタ自動車株式会社 | 燃料電池電極の製造方法と製造装置 |
| US6933003B2 (en) * | 2002-06-13 | 2005-08-23 | General Motors Corporation | Method of making membrane electrode assemblies |
| EP1541619A4 (en) * | 2002-07-26 | 2007-10-31 | Asahi Glass Co Ltd | POLYMER FILM, MANUFACTURING METHOD, AND UNITED MEMBRANE ELECTRODE ARRANGEMENT FOR FUEL POLYMER TYPE OF FUEL CELL |
| DE10246372A1 (de) * | 2002-10-04 | 2004-04-15 | Celanese Ventures Gmbh | Mit einer Katalysatorschicht beschichtete protonenleitende Polymermembran enthaltend Polyazole und deren Anwendung in Brennstoffzellen |
| WO2004051769A2 (en) * | 2002-12-02 | 2004-06-17 | Avestor Limited Partnership | Co-extrusion manufacturing process of thin film electrochemical cell for lithium polymer batteries and apparatus therefor |
| JP4821096B2 (ja) * | 2004-07-13 | 2011-11-24 | トヨタ自動車株式会社 | 燃料電池の製造方法 |
-
2006
- 2006-06-21 JP JP2006171852A patent/JP5023570B2/ja not_active Expired - Fee Related
-
2007
- 2007-06-18 CA CA2654426A patent/CA2654426C/en active Active
- 2007-06-18 CN CN2007800230317A patent/CN101473477B/zh not_active Expired - Fee Related
- 2007-06-18 WO PCT/JP2007/062637 patent/WO2007148805A1/ja not_active Ceased
- 2007-06-18 US US12/305,464 patent/US20090174105A1/en not_active Abandoned
- 2007-06-18 EP EP07767446A patent/EP2037521B1/en not_active Not-in-force
-
2010
- 2010-11-04 US US12/926,249 patent/US20110049746A1/en not_active Abandoned
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61216266A (ja) * | 1985-03-20 | 1986-09-25 | Matsushita Electric Ind Co Ltd | 溶融塩燃料電池の製造法 |
| JPH0261912A (ja) * | 1988-08-26 | 1990-03-01 | Japan Synthetic Rubber Co Ltd | 固体電解質シートの製造方法 |
| JPH09180728A (ja) | 1995-12-27 | 1997-07-11 | Tokyo Gas Co Ltd | 固体高分子型燃料電池用電極、その製造方法及び装置 |
| JPH09194609A (ja) | 1996-01-25 | 1997-07-29 | Sumitomo Electric Ind Ltd | イオン交換膜およびその製造方法 |
| WO2002005372A1 (en) * | 2000-07-06 | 2002-01-17 | Matsushita Electric Industrial Co., Ltd. | Method for producing electrolyte film-electrode joint |
| WO2004088678A1 (ja) * | 2003-03-28 | 2004-10-14 | Sumitomo Chemical Company, Limited | 高分子電解質膜の連続的製造方法およびその製造装置 |
| JP2005082728A (ja) * | 2003-09-09 | 2005-03-31 | Toagosei Co Ltd | 機能性膜の連続製造方法 |
| JP2005162784A (ja) | 2003-11-28 | 2005-06-23 | Toyota Motor Corp | イオン交換膜の製造装置および製造方法 |
| WO2006043706A1 (ja) * | 2004-10-21 | 2006-04-27 | Sumitomo Chemical Company, Limited | 積層体の製造方法及び製造装置 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP2037521A4 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014027441A1 (ja) * | 2012-08-14 | 2014-02-20 | トヨタ自動車株式会社 | 燃料電池用電解質膜およびその製造方法 |
| JP2019145258A (ja) * | 2018-02-19 | 2019-08-29 | トヨタ自動車株式会社 | 膜電極接合体の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2037521B1 (en) | 2011-06-15 |
| CA2654426C (en) | 2011-09-13 |
| US20110049746A1 (en) | 2011-03-03 |
| CN101473477B (zh) | 2011-01-12 |
| EP2037521A1 (en) | 2009-03-18 |
| CN101473477A (zh) | 2009-07-01 |
| EP2037521A4 (en) | 2010-03-10 |
| US20090174105A1 (en) | 2009-07-09 |
| JP2008004344A (ja) | 2008-01-10 |
| CA2654426A1 (en) | 2007-12-27 |
| JP5023570B2 (ja) | 2012-09-12 |
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