Abstract: An electrode of an embodiment includes: a power feeder layer including an electric conductive material, the power feeder layer including a porous structure including porosity of 40% or more and 60% or less; and a catalyst layer provided on the power feeder layer, the catalyst layer including a porous catalyst layer including a porous precious metal or sheet-like precious metal.

Abstract: An electrode according to an embodiment includes a support, and a catalyst layer including a sheet layer and a gap layer stacked, alternately on the support. The catalyst layer includes noble oxide and non-noble oxide. 4 [wt %] or more and 8 [wt %] or less of metal elements included in the catalyst layer is non-noble metal. An average thickness of the gap layer is 6 [nm] or more and 50 [nm] or less.

Abstract: A membrane electrode assembly of an embodiment includes: a first electrode including a first diffusion layer, and a first catalyst layer; a second electrode for generating hydrogen, the second electrode including a second diffusion layer, a second catalyst layer including a porous catalyst layer including a porous precious metal or sheet-like precious metal, and a hydrophobic moisture management layer provided between the second catalyst layer and the second diffusion layer, the hydrophobic moisture management layer including carbon particles and carbon fibers, a weight of the carbon fibers being between 1 wt % and 20 wt % of a weight of the second diffusion layer; and an electrolyte membrane provided between the first electrode and the second electrode, the first catalyst layer being provided between the first diffusion layer and the electrolyte membrane, and the second catalyst layer being provided between the second diffusion layer and the electrolyte membrane.

Abstract: An electrode according to an embodiment includes a support and a catalyst layer including a sheet layer and a gap layer stacked alternately. Cracks or/and holes exist in the catalyst layer.

Abstract: An electrode according to an embodiment includes a support, an intermediate layer including carbon particles and resin on the support, and a catalyst layer on the intermediate layer. A thickness of the intermediate layer is 70 [?m] or more and 300 [?m] or less.

Abstract: A laminated catalyst according to an embodiment includes an oxide layer, a first catalyst layer on the oxide layer and a second catalyst layer on the first catalyst layer. The oxide layer is a layer of oxide including one or more non-noble metals as a main component. The first catalyst layer includes an oxide of noble metal including Ir and/or Ru as a main component. The second catalyst layer includes an oxide of noble metal including Ir and/or Ru as a main component. The first catalyst layer is denser than the second catalyst layer.

Abstract: According to one embodiment, a position determination unit of a printing system determines a printing position of printing information printed on an object to be printed conveyed by a conveyance machine. An erasing unit erases the printing information printed using thermochromic ink by emitting heat from a heat source, a height position of which is adjusted according to the printing position, from a direction perpendicular to a conveyance direction according to a timing at which the printing position, determined based on the printing position, passes. A printing unit includes a printer using the thermochromic ink, disposed behind the heat source along the conveyance direction, and prints information on the object to be printed from the direction perpendicular to the conveyance direction by the printer, a height position of which is adjusted according to the printing position, according to the timing at which the printing position passes.

Abstract: According to one embodiment, a mobile printer includes a first housing, a second housing, a hinge, and a print head. The first housing has a first surface on which a printing medium can be disposed. The second housing faces the first surface. The hinge connects the first housing and the second housing and permits the first and second housings to rotate relative to each other. The print head is provided in the second housing and is configured to print an image by discharging on to the print medium when the print medium is on the first surface between the first and second housings.

Abstract: According to one embodiment, a position determination unit of a printing system determines a printing position of printing information printed on an object to be printed conveyed by a conveyance machine. An erasing unit erases the printing information printed using thermochromic ink by emitting heat from a heat source, a height position of which is adjusted according to the printing position, from a direction perpendicular to a conveyance direction according to a timing at which the printing position, determined based on the printing position, passes. A printing unit includes a printer using the thermochromic ink, disposed behind the heat source along the conveyance direction, and prints information on the object to be printed from the direction perpendicular to the conveyance direction by the printer, a height position of which is adjusted according to the printing position, according to the timing at which the printing position passes.

Abstract: An image forming apparatus includes: a first supplying device configured to supply a first ink onto a recording medium to form a non-color print layer on the recording medium, the first ink comprising non-color particles; and a second supplying device configured to supply a second ink onto the recording medium having the non-color print layer formed thereon, to form a color print layer on the recording medium, the second ink including color pigment particles that are decolored when heated.

Abstract: According to one embodiment, a mobile printer, includes an RFID writer capable of writing information to an RFID tag, such as one embedded in a merchandise tag or price tag. The mobile printer additionally includes a print head storing decolorable ink that can be made substantially invisible or indistinguishable on a merchandise tag or price tag. The print head is configured to discharge decolorable ink for printing information on a merchandise tag or price tag. The decolorable ink can be discolored/decolored after being used to print information on a merchandise tag or price tag to permit information on the merchandise tag or price tag to be changed after an initial printing.

Abstract: A freshness label structure includes a label structure and a sealing member. The label structure includes a base material and a phosphor layer. The phosphor layer includes an aggregation-induced phosphor fixed to the base material. The sealing member is impermeable to aqueous liquid, seals the freshness label structure, and includes a porous member impermeable to aqueous liquid and permeable to gas.

Abstract: According to one embodiment, a mobile printer includes a first housing, a second housing, a hinge, and a print head. The first housing has a first surface on which a printing medium can be disposed. The second housing faces the first surface. The hinge connects the first housing and the second housing and permits the first and second housings to rotate relative to each other. The print head is provided in the second housing and is configured to print an image by discharging on to the print medium when the print medium is on the first surface between the first and second housings.

Abstract: A laminated electrolyte membrane of an embodiment includes: a first electrolyte membrane; a second electrolyte membrane; and a nanosheet laminated catalyst layer provided between the first electrolyte membrane and the second electrolyte membrane and including a laminated structure in which a plurality of nanosheet catalysts is laminated with a gap.

Abstract: According to an embodiment, a laminated catalyst includes a first catalyst layer mainly including a noble metal mainly containing Pt, a second catalyst layer mainly including a mixture of an oxide of a noble metal mainly containing Ir and Ru and a noble metal mainly containing Pt, and a third catalyst layer mainly including an oxide of a noble metal mainly containing Ir and Ru The first catalyst layer, the second catalyst layer, and the third catalyst layer are laminated in order.

Abstract: An electrode of an embodiment includes a catalyst layer having pores. A mode diameter of the pores is 10 ?m or more and 100 ?m or less. The catalyst layer may have a thickness of 0.05 ?m or more and 3.0 ?m or less. A value of the mode diameter of the pores may three times or more a value of a thickness of the catalyst layer.

Abstract: According to an embodiment, a laminated catalyst includes a first catalyst layer mainly including a noble metal mainly containing Pt, a second catalyst layer mainly including a mixture of an oxide of a noble metal mainly containing Ir and Ru and a noble metal mainly containing Pt, and a third catalyst layer mainly including an oxide of a noble metal mainly containing Ir and Ru The first catalyst layer, the second catalyst layer, and the third catalyst layer are laminated in order.

Abstract: An electrode for a fuel cell according to an embodiment of an embodiment includes: a catalyst layer having a noble metal catalyst unit that has a porous structure or a layer-by-layer structure including void layers and a hydrophilic material; a porous water management layer arranged adjacent to the catalyst layer and including a hydrophilic material and a conductive material; and a gas diffusion layer arranged adjacent to the porous water management layer, where a size of the noble metal catalyst unit is equal to or more than 0.05 ?m and equal to or less than 2 ?m, the porosity of the porous water management layer is equal to or more than 30 vol % and equal to or less than 85 vol %, and the hydrophilicity thereof is equal to or more than 0.05 and equal to or less than 1.

Abstract: According to an embodiment, a porous catalyst layer includes a metal portion including plural noble metal-including sheets stacked apart from each other, and a porous nanocarbon layer disposed between two adjacent noble metal-including sheets. The plural noble metal-including sheets in the metal portion have an integrated portion. The porous nanocarbon layer includes fibrous nanocarbon.

Abstract: Embodiments of the present disclosure aim to provide a catalyst layer ensuring a high cell voltage and having both excellent robustness and sufficient endurance, and also to provide a process for producing the layer, a membrane electrode assembly and an electrochemical cell. The catalyst layer comprises two or more noble metal-containing layers, and a porous ceramic layer placed between the noble metal-containing layers. Further, in the catalyst layer, voids exist between the porous ceramic layer and the noble metal-containing layers.