An object of the present invention is to provide, in the manufacture of a membrane-catalyst assembly including a polymer electrolyte membrane and a catalyst layer bonded to the polymer electrolyte membrane, a method that achieves both the relaxation of thermocompression bonding conditions and the improvement of adhesion between the catalyst layer and the electrolyte membrane with high productivity. A main object of the present invention is to provide a method of manufacturing a membrane-catalyst assembly including an electrolyte membrane and a catalyst layer bonded to the electrolyte membrane, the method including a liquid application step of applying a liquid to a surface of the catalyst layer before bonding, and a thermocompression bonding step of bonding, to the electrolyte membrane, the catalyst layer to which the liquid is applied by thermocompression bonding.

A method for manufacturing a membrane assembly for a fuel cell. To overcome a problem of chemical degradation at an edge of the membrane, the method comprises the following steps: positioning a first decal layer, which is made of the same material as a first catalyst layer, on a first side of the membrane, positioning a second decal layer, which is made of the same material as a second catalyst layer, on a second side of the membrane, pressing a compression pad, which is positioned on the first decal layer with the first decal layer and the second decal layer fully overlapping the compression pad, and the second decal layer against each other with the first decal layer and the membrane positioned in-between, whereby pressure on the first and the second decal layer is applied only in an area covered by the compression pad.

A method for manufacturing a membrane assembly for a fuel cell, which membrane assembly includes a membrane with a catalyst layer and a frame arranged on the same side of the membrane and a gap between the catalyst layer and the frame. To allow an easy and cost-effective way for manufacturing such a membrane assembly, the manufacturing method may include the following steps: positioning a first decal layer, which is made of the same material as the first catalyst layer, on the first side of the membrane in a way that the first decal layer overlaps the frame, positioning a second decal layer, which is made of the same material as the second catalyst layer, on the second side of the membrane, pressing the first decal layer and the second decal layer against each other with the membrane and the frame positioned in-between.

An apparatus of manufacturing an elastomeric cell frame for a fuel cell may include, as the apparatus of manufacturing the elastomeric cell frame including an insert in which a membrane electrode assembly and a gas diffusion layer have been bonded, and a sheet-like elastomeric frame made of a thermoplastic elastomer (TPE) integrated into an external area of the insert to form the unit cell of the fuel cell, a lower jig module accommodated so that the overlapping area, in which the insert and the elastomeric frame overlap at a predetermined area, is accommodated, and an upper jig module mounted above the lower jig module to provide heat and pressure to the overlapping area to thermally bond an interface between the insert and the elastomeric frame in the overlapping area.

A method of making a solid oxide fuel cell (SOFC) includes the steps of providing a first SOFC layer laminate tape comprising a first SOFC layer composition attached to a flexible carrier film layer, providing a second SOFC laminate tape comprising a second SOFC layer composition attached to a flexible carrier film layer, and providing a third SOFC layer laminate tape comprising a third SOFC layer composition attached to a flexible carrier film layer. The first SOFC layer laminate tape, the second SOFC layer laminate tape, and the third SOFC layer laminate tape are assembled on rolls positioned along a roll-to-roll assembly line. The laminate tapes are sequentially laminated and calendered and the flexible carrier films removed to provide a composite SOFC precursor laminate that can be sintered and combined with a cathode to provide a completed SOFC. An assembly for making composite SOFC precursor laminates is also disclosed.

The present invention relates to an electrode coating apparatus that is capable of adjusting a temperature of electrode slurry. Also, the electrode coating apparatus for applying electrode slurry to an electrode collector includes a storage part storing the electrode slurry, a discharge part discharging the electrode slurry stored in the storage part to the electrode collector, and a heating part heating the discharge part.

A metal plate configured such that sufficient strength and performance are ensured and the workability and cost of mass production are improved, and a metal-supported electrochemical element and the like including the metal plate. Also, a method for manufacturing a metal plate including a rolling step for rolling a metal material provided with a penetration space passing through the metal material in a thickness direction to reduce the thickness of the metal material and reduce the area of a surface opening formed in the surface of the metal material by the penetration space, thereby producing a plate-like metal plate.

Disclosed are an electrode for fuel cells, a membrane electrode assembly for fuel cells including the same and a method for manufacturing the same in which the electrode is manufactured by forming an ionomer layer between an electrode layer and a catalyst layer and an antioxidant is dispersed into the catalyst layer of the electrode and an ion exchange layer of an electrolyte membrane so as to improve interfacial bonding force between the electrode and the electrolyte membrane, the electrode is bonded to the electrolyte membrane using a transfer process, and durability of the electrode and the electrolyte membrane is improved.

An air electrode includes a current collector, a catalyst layer, and a water repellent membrane provided in this order. The catalyst layer has a first face in contact with either one of the current collector and the water repellent membrane, a second face in contact with either other of the current collector or the water repellent membrane, and a plurality of through holes, through which the first face and the second face communicate with each other. The through holes each have a constriction with an inner diameter smaller than either of an opening diameter in the first face and an opening diameter in the second face.

Disclosed is a method of manufacturing a solid oxide fuel cell using a calendering process. The method includes preparing a stack including an anode support layer (ASL) and an anode functional layer (AFL), calendering the stack to obtain an anode, stacking an electrolyte layer on the anode to obtain an assembly, calendering the assembly to obtain an electrolyte substrate, sintering the electrolyte substrate, and forming a cathode on the electrolyte layer of the electrolyte substrate.