Abstract: An embodiment apparatus for fabricating a membrane-electrode-subgasket assembly includes a feeding unit including a sheet feeding roller configured to feed a membrane-electrode assembly sheet having catalyst layers provided on both surfaces thereof, a cutting unit including a cutting roller and a support roller configured to rotate in engagement with the cutting roller, wherein the cutting roller is configured to punch portions outside each of the catalyst layers, a first pressing unit including a suction roller and a first hot roller, and a second pressing unit including second hot rollers.

Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.

Abstract: An embodiment apparatus for fabricating a membrane-electrode-subgasket assembly includes a feeding unit including a sheet feeding roller configured to feed a membrane-electrode assembly sheet having catalyst layers provided on both surfaces thereof, a cutting unit including a cutting roller and a support roller configured to rotate in engagement with the cutting roller, wherein the cutting roller is configured to punch portions outside each of the catalyst layers, a first pressing unit including a suction roller and a first hot roller, and a second pressing unit including second hot rollers.

Abstract: A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.

Abstract: The present disclosure relates to a method of manufacturing a membrane-electrode assembly capable of reducing consumption of an electrolyte membrane. Specifically, in the present disclosure, a polymer film replaces a non-reaction portion of a conventional electrolyte membrane, so it is possible to prevent waste of a high-priced electrolyte membrane. Consequently, production of membrane-electrode assemblies is improved.

Abstract: A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.

Abstract: A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.

Abstract: A method of manufacturing an Electricity-Generating Assembly (EGA) includes: preparing an electrolyte membrane including a central portion and a peripheral portion; providing a contact member to the peripheral portion of the electrolyte membrane; providing at least one of a first Gas Diffusion Electrode (GDE) including a reaction portion of a first Gas Diffusion Layer (GDL) and a first electrode layer or a second GDE including a reaction portion of a second GDL and a second electrode layer, on at least one central portion of the first surface of the electrolyte membrane or the second surface of the electrolyte membrane; and providing a gas diffusion portion of a respective GDL among the first and second GDLs on the contact member.

Abstract: A method of manufacturing an Electricity-Generating Assembly (EGA) includes: preparing an electrolyte membrane including a central portion and a peripheral portion; providing a contact member to the peripheral portion of the electrolyte membrane; providing at least one of a first Gas Diffusion Electrode (GDE) including a reaction portion of a first Gas Diffusion Layer (GDL) and a first electrode layer or a second GDE including a reaction portion of a second GDL and a second electrode layer, on at least one central portion of the first surface of the electrolyte membrane or the second surface of the electrolyte membrane; and providing a gas diffusion portion of a respective GDL among the first and second GDLs on the contact member.

Abstract: An embodiment apparatus for fabricating a membrane-electrode-subgasket assembly includes a feeding unit including a sheet feeding roller configured to feed a membrane-electrode assembly sheet having catalyst layers provided on both surfaces thereof, a cutting unit including a cutting roller and a support roller configured to rotate in engagement with the cutting roller, wherein the cutting roller is configured to punch portions outside each of the catalyst layers, a first pressing unit including a suction roller and a first hot roller, and a second pressing unit including second hot rollers.

Abstract: A method for manufacturing a membrane-electrode assembly (MEA) is provided. In particular, first and second sub-gasket sheets are continuously supplied and an electrode membrane sheet having gaps formed therein so that the amount of an electrolyte membrane used is reduced is discontinuously supplied.

Abstract: Disclosed are an apparatus for manufacturing a membrane electrode assembly to provide excellent mass transfer characteristics and durability and a manufacturing method using the same. A porosity gradient may be continuously imparted to electrodes of the membrane electrode assembly in a thickness direction thereby improving reactivity with external gas and transfer of internal ions.

Abstract: A method for manufacturing a membrane-electrode assembly (MEA) is provided. In particular, first and second sub-gasket sheets are continuously supplied and an electrode membrane sheet having gaps formed therein so that the amount of an electrolyte membrane used is reduced is discontinuously supplied.

Abstract: The present disclosure relates to a method of manufacturing a membrane-electrode assembly capable of reducing consumption of an electrolyte membrane. Specifically, in the present disclosure, a polymer film replaces a non-reaction portion of a conventional electrolyte membrane, so it is possible to prevent waste of a high-priced electrolyte membrane. Consequently, production of membrane-electrode assemblies is improved.

Abstract: A membrane electrode assembly manufacturing device includes a loading apparatus for supplying an MEA roll on which a membrane electrode assembly is arranged by a predetermined pitch, a hot press apparatus for pressing a surface corresponding to the membrane electrode assembly of the MEA roll at a set temperature, a buffer apparatus to which the MEA roll is supplied to one side and exhausted at the other side, and for performing a buffer function of absorbing a difference between supply and exhaustion, and a cutting apparatus for cutting a portion of the membrane electrode assembly arranged at the MEA roll.

Abstract: A membrane electrode assembly includes an electrolyte membrane stacked between different electrodes, wherein an ionomer layer of the electrolyte membrane comprises an adjacent electrode, a first layer having at least a same cross-sectional area as that of the adjacent electrode, a reinforcing layer and a second layer stacked at a side of the first layer, the second layer having at least the same cross-sectional area as that of the reinforcing layer.

Abstract: A membrane electrode assembly includes: an electrolyte membrane; a catalyst electrode layer including a cathode catalyst electrode disposed on the electrolyte membrane and an anode catalyst electrode disposed under the electrolyte membrane; and a sub-gasket disposed on the electrolyte membrane to be in contact with an edge of the catalyst electrode layer. Each of the sub-gasket includes a moisture drain hole penetrating the sub-gasket to expose a portion of the electrolyte membrane outside.

Abstract: A membrane electrode assembly includes an electrolyte membrane stacked between different electrodes, wherein an ionomer layer of the electrolyte membrane comprises an adjacent electrode, a first layer having at least a same cross-sectional area as that of the adjacent electrode, a reinforcing layer and a second layer stacked at a side of the first layer, the second layer having at least the same cross-sectional area as that of the reinforcing layer.

Abstract: A heat treatment apparatus of membrane electrode assemblies includes a base, a first member extending from the base in a first direction, and a plurality of second members formed on the base in a radially outward direction of the first member and having inner surfaces facing the first member, where the first member or the second members includes a heat wire member, and membrane electrode assemblies are disposed between the first member and the second members.

Abstract: A heat treatment method for a membrane electrode assembly (MEA) of a fuel cell includes: placing a power supply plate on a surface of the MEA or on a surface of an assembly of the MEA and a gas diffusion layer (GDL); and performing heat treatment on a surface or interior of the power supply plate by applying power to the power supply plate.