Abstract: A porous base layer includes a porous base portion provided between a membrane electrode assembly (MEA) and a separator including a channel and a land, a channel area defined on the porous base portion to correspond to the channel, a land area defined on the porous base portion to correspond to the land and provided to be in contact with the land, and at least one through-hole provided in the land area so that a target fluid passes through the through-holes, obtaining an advantageous effect of ensuring performance and operational efficiency and improving durability and reliability.

Abstract: A porous base layer includes a base layer body stacked on a membrane electrode assembly (MEA), and a protrusion pattern provided on one surface of the base layer body that faces the membrane electrode assembly, the protrusion pattern being configured to define a guide flow path for guiding a movement of a target fluid between the membrane electrode assembly and the base layer body, obtaining advantageous effect of improving performance and operational efficiency.

Abstract: A porous base layer includes a porous base portion provided between a separator and a membrane electrode assembly (MEA), and a porous reinforcement member provided between the separator and the membrane electrode assembly and configured to suppress separation and deformation of the porous base portion, obtaining an advantageous effect of ensuring performance and operational efficiency and improving durability and reliability.

Abstract: Provided are an optical transmission module including: a mold body having a first surface and a second surface opposite to the first surface; edge-type light emitting elements, each of which is molded inside the mold body by fitting same to the first surface so as to match with the first surface and generates an optical signal in an edge direction of a chip; and an optical component disposed on one side of the edge-type light emitting elements and molded inside the mold body, the optical component includes, on one side thereof, a plurality of input waveguides corresponding to the edge-type light emitting elements, and optically processes or transmits the plurality of optical signals incident through the plurality of input waveguides, and an optical axis of each of the light emitting elements and an optical axis of each of the input waveguides of the optical component is optically aligned.

Abstract: Disclosed is a non-destructive inspection method capable of effectively evaluating adhesion quality of an adhesion portion formed between a cell frame and an EGA without damage to parts or deterioration in durability or adhesiveness of parts. In addition, an EGA-cell frame assembly capable of effectively evaluating adhesion quality of an adhesion portion formed between a cell frame and an EGA by the non-destructive inspection method is provided.

Abstract: Provided are a subminiature optical transmission module and a method for manufacturing same. The optical transmission module includes: a mold body having a first surface and a second surface opposite to each other; multiple edge-type light emitting elements, each of which is molded inside the mold body by fitting same to the first surface so as to match with the first surface and generates an optical signal in the edge direction of a chip; and an optical component disposed on one side thereof so as to optically multiplex multiple optical signals incident from the multiple edge-type light emitting elements and to output same, wherein the identical height is configured between the surface of each light emitting element and the optical axis of the optical component, and the edge direction of the chip is parallel to the first surface of the mold body.

Abstract: A porous transport layer is disclosed. The porous transport layer includes a base layer containing a titanium family element, a first coating layer disposed on one surface of the base layer and containing iridium (Ir), and a second coating layer disposed on the other surface of the base layer, and containing at least one of platinum (Pt), gold (Au), and silver (Ag), and a method for preparing the same.

Abstract: A composition for a porous transport layer, a porous transport layer prepared therefrom, and a method for preparing the same are disclosed. The composition for the porous transport layer includes a titanium group element, a solvent, and a foaming agent.

Abstract: An apparatus and a method for inspecting and punching a diffusion layer for water electrolysis are provided. The apparatus includes a first inspector that inspects a thickness of a diffusion layer for water electrolysis, a second inspector that inspects porosity of the diffusion layer for water electrolysis, and a cutting machine that inspects pore uniformity of the diffusion layer for water electrolysis and cuts the diffusion layer for water electrolysis based on the result of inspecting at least one of the thickness, the porosity, the pore uniformity, or a combination thereof.

Abstract: The present disclosure relates to a method for preparing a porous transport layer and the porous transport layer prepared therefrom. The method includes forming a base layer by an application process using a slurry for the base layer containing particles of a titanium family element, forming a first coating layer and a second coating layer independently by application processes using a slurry for the first coating layer containing particles of a first noble metal and a slurry for the second coating layer containing particles of a second noble metal, respectively, and disposing the first coating layer and the second coating layer on both surfaces of the base layer, respectively, and the slurry for the first coating layer further contains the particles of the titanium family element.

Abstract: The present disclosure relates to a power cable and an intermediate connection structure, for connection thereof, which is capable of preventing the concentration of stress on a soldered part, which is configured to join a metal sheath of the power cable and a metal sheath restoration layer of the intermediate connection structure while ensuring airtight or watertight sealing therebetween, preventing deformation of or damage to the soldered part due to stress applied thereto, and minimizing thermal history in the power cable during the formation of the soldered part.

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: There is provided a semiconductor package. The semiconductor package includes: a semiconductor chip; a mold configured to encapsulate the chip; a redistribution layer; and an optical device electrically connected to the chip through the redistribution layer. The mold is formed with an optical path passing through the mold, and light is input to or output from the optical device through the optical path.

Abstract: Disclosed are an electrode gas diffusion layer assembly (EGA) and a fuel cell stack including the same. The content of the binder in the electrode and the content of the binder in the adhesive layer that attaches the electrode to the gas diffusion layer (GDL) may be optimized. Thus, it is possible to reduce the occurrence of flooding and the deterioration in durability/performance caused by a dry atmosphere in the EGA including the electrode and the adhesive layer, so that the output density per unit area is improved while the trade-off is minimized.

Abstract: A separator assembly for an air-cooled fuel cell includes: a cathode separator and an anode separator, each of which having a cooling surface bonded to each other to face each other. The separator assembly further includes a plurality of first gaskets having a ring shape configured to surround and seal a plurality of inlet manifolds and a plurality of outlet manifolds are disposed on a cooling surface of any one separator among the cooling surface of the cathode separator and the cooling surface of the anode separator. The plurality of first gaskets are configured to allow cooling air for cooling the cooling surface to flow between first gaskets adjacent to each other.

Abstract: The present disclosure relates to a power cable and an intermediate connection structure, for connection thereof, which is capable of preventing the concentration of stress on a soldered part, which is configured to join a metal sheath of the power cable and a metal sheath restoration layer of the intermediate connection structure while ensuring airtight or watertight sealing therebetween, preventing deformation of or damage to the soldered part due to stress applied thereto, and minimizing thermal history in the power cable during the formation of the soldered part.

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 power cable joint system capable of minimizing expansion, deformation or damage of a metal sheath restoration layer, which is formed of a material such as lead sheath, due to internal expansion due to heat generated in an intermediate connection part of the power cable joint system.

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: Disclosed herein are membrane-electrode-subgasket assembly and a membrane-electrode-subgasket assembly manufactured by the method. The membrane-electrode-subgasket assembly includes substrates having sizes and shapes asymmetric with each other provided on a first and second surfaces thereof.