摘要:
The present invention provides a method for manufacturing an MEA with high production efficiency. It is a feature of the present invention that the method for manufacturing an MEA includes coating a first catalyst ink on a substrate to form a coated layer of the first catalyst ink, removing the solvent in the coated layer of the first catalyst ink to form a first electrode catalyst layer, coating an electrolyte ink on the first electrode catalyst layer to form a coated layer of the electrolyte ink, removing the solvent in the coated layer of the electrolyte ink to form a polymer electrolyte membrane, coating a second catalyst ink on the polymer electrolyte membrane to form a coated layer of the second catalyst ink, and removing the solvent in the coated layer of the second catalyst ink to form a second electrode catalyst layer.
摘要:
The present invention provides a method for manufacturing an MEA with high production efficiency. It is a feature of the present invention that the method for manufacturing an MEA includes coating a first catalyst ink on a substrate to form a coated layer of the first catalyst ink, removing the solvent in the coated layer of the first catalyst ink to form a first electrode catalyst layer, coating an electrolyte ink on the first electrode catalyst layer to form a coated layer of the electrolyte ink, removing the solvent in the coated layer of the electrolyte ink to form a polymer electrolyte membrane, coating a second catalyst ink on the polymer electrolyte membrane to form a coated layer of the second catalyst ink, and removing the solvent in the coated layer of the second catalyst ink to form a second electrode catalyst layer.
摘要:
To provide a membrane and electrode assembly comprising a catalyst layer that improves water holding properties and exhibits high power generation characteristics even in low humidified conditions without inhibiting the diffusibility of reaction gas, the removal of the water generated by the electrode reaction, and its manufacturing method. There is provided a membrane and electrode assembly produced by sandwiching a polymer electrolyte membrane between a pair of catalyst layers, in which the catalyst layer comprises a polymer electrolyte and particles carrying a catalyst material, and in which the volume of fine pores having a diameter of 1.0 μm or smaller is increased toward the polymer electrolyte membrane from the surface of the catalyst layer.
摘要:
[Problem]To provide a membrane and electrode assembly comprising a catalyst layer that improves water holding properties and exhibits high power generation characteristics even in low humidified conditions without inhibiting removal of the water generated by the electrode reaction, etc. and its manufacturing method.[Solution]The membrane and electrode assembly produced by sandwiching a polymer electrolyte membrane between a pair of catalyst layers is provided, in which the catalyst layer comprises a polymer electrolyte and particles carrying a catalyst material, and in which the proportion of the polymer electrolyte expressed by {(mass of polymer electrolyte)/(mass of particles in particles carrying catalyst material)} in the catalyst layer is decreased toward the polymer electrolyte membrane (the inside) from the surface of the catalyst layer (the outside).
摘要:
[Problem]To provide a membrane and electrode assembly comprising a catalyst layer that improves water holding properties and exhibits high power generation characteristics even in low humidified conditions without inhibiting removal of the water generated by the electrode reaction, etc. and its manufacturing method.[Solution]The membrane and electrode assembly produced by sandwiching a polymer electrolyte membrane between a pair of catalyst layers is provided, in which the catalyst layer comprises a polymer electrolyte and particles carrying a catalyst material, and in which the proportion of the polymer electrolyte expressed by {(mass of polymer electrolyte)/(mass of particles in particles carrying catalyst material)} in the catalyst layer is decreased toward the polymer electrolyte membrane (the inside) from the surface of the catalyst layer (the outside).
摘要:
The liquid crystal display device includes a liquid crystal cell, a backlight device, a first light diffusing layer, a first polarizer, and a second light diffusing layer. The first light diffusing layer includes a light diffusing plate and a prism sheet, and has light distribution characteristics such that a luminance value in a direction of 70 degrees with respect to a normal of a light incidence plane of the liquid crystal cell is 20% or less with respect to a luminance value in a direction of the normal. The second light diffusing layer includes a second polarizer and a light diffusing membrane. The backlight device is divided into a plurality of regions and is capable of controlling luminance per region.
摘要:
The present invention provides a producing method of a fuel cell membrane electrode assembly and a producing apparatus of the same, without generating wrinkles on a solid polymer electrolyte membrane or misalignment of electrode catalyst layers opposite to each other. A producing method of a fuel cell membrane electrode assembly, the producing method comprising the steps of: arranging a pair of base materials 90 each coated with an electrode catalyst layer 70 to interpose a solid polymer electrolyte membrane 13; and applying a thermal pressure with a pair of laminator rolls 50 and 60 on the pair of base materials from the outside to thermally transfer the electrode catalyst layers 70 onto both surfaces of the solid polymer electrolyte membrane 13, wherein a laminator roll formed with a convex portion having a same shape with those of the electrode catalyst layers 11 and 12 to be transferred onto the surfaces of the solid polymer electrolyte membrane 13 is used for at least one of the pair of laminator rolls 50 and 60. Accordingly, it is possible to produce a membrane electrode assembly with high quality, without generating wrinkles on the solid polymer electrolyte membrane 13 or misalignment of electrode catalyst layers opposite to each other.
摘要:
The present invention provides a liquid crystal display device comprising an optical film capable of impeding the occurrence of a failure of display quality at wide view angles, enhancing the front contrast and the transmission image definition, and impeding the occurrence of scintillation. On a substrate film 71, an anti-glare layer 72 in which translucent fine particles 722 are dispersed and mixed in a translucent resin 721 is laminated. The average particle size of the translucent fine particles 722 is set at 5 μm or more and less than 20 μm, and the content of the translucent fine particles 722 is set at 25 parts by weight or more and 50 parts by weight or less in relation to 100 parts by weight of the translucent resin. The layer thickness of the anti-glare layer 72 is set at one or more and three or less times the average particle size of the translucent fine particles 722. It is preferable to make the refractive index of the translucent fine particles 722 larger than the refractive index of the translucent resin 721, and the difference between the refractive index of the translucent fine particles 722 and the refractive index of the translucent resin 721 is preferably 0.04 or more and 0.1 or less.
摘要:
In a liquid crystal display device, display with a wide viewing angle and high color reproducibility is achieved and superior contrast is obtained. In addition, a viewing angle is enlarged without using a retarder. The liquid crystal display device comprises a liquid crystal cell 1, a backlight device 2, a first light diffusing layer 3, a first polarizer 4, and a second light diffusing layer 5. The first light diffusing layer 3 comprises a light diffusing plate 31 and a prism sheet 32. The first light diffusing layer 3 has light distribution characteristics such that a luminance value in a direction of 70 degrees with respect to a normal of a light incidence plane of the liquid crystal cell is 20% or less with respect to a luminance value in a direction of the normal. The second light diffusing layer 5 comprises a second polarizer 51 and a light diffusing membrane 52. In addition, the backlight device 2 is divided into a plurality of regions and is capable of controlling luminance per region.
摘要:
The present invention provides an optical film which is capable of impeding the occurrence of a failure of display quality at wide view angles, impeding the occurrence of the degradation of the front contrast, achieving a high transmission image definition, and impeding the occurrence of scintillation, and a liquid crystal display device comprising the same. On a substrate film 71, an anti-glare layer 72 in which translucent fine particles 722 are dispersed and mixed in a translucent resin 721 is laminated. The average particle size of the translucent fine particles 722 is set at 0.5 μm or more and less than 5 μm, and the content of the translucent fine particles 722 is set at 35 parts by weight or more and 60 parts by weight or less in relation to 100 parts by weight of the translucent resin. The layer thickness of the anti-glare layer 72 is set at one or more and three or less times the average particle size of the translucent fine particles 722. It is preferable to make the refractive index of the translucent fine particles 722 larger than the refractive index of the translucent resin 721, and the difference between the refractive index of the translucent fine particles 722 and the refractive index of the translucent resin 721 is preferably 0.04 or more and 0.1 or less.