摘要:
A branched multiblock polybenzimidazole-benzamide copolymer, specifically, one consisting of a repeating unit represented by Formula 1, and a method for preparing the same; an electrolyte membrane using the branched multiblock copolymer, a consistent electrolyte paste/gel and a method for preparing the same; a membrane-electrode assembly (MEA) using the electrolyte membrane and the consistent electrolyte paste/gel and a method for preparing the same; and a fuel cell prepared from the membrane-electrode assembly. The electrolyte membrane according to the present invention has high hydrogen ion conductivity over a wide temperature range, and excellent physical properties such as mechanical properties, chemical resistance and thermal stability. Deterioration of the membrane properties is effectively controlled by phosphoric acid doping and high hydrogen ion conductivity is realized even with a low phosphoric acid doping level. This consistent electrolyte paste/gel may be useful in improving the operating performance of a fuel cell by coating the electrolyte uniformly.
摘要:
A branched multiblock polybenzimidazole-benzamide copolymer, specifically, one consisting of a repeating unit represented by Formula 1, and a method for preparing the same; an electrolyte membrane using the branched multiblock copolymer, a consistent electrolyte paste/gel and a method for preparing the same; a membrane-electrode assembly (MEA) using the electrolyte membrane and the consistent electrolyte paste/gel and a method for preparing the same; and a fuel cell prepared from the membrane-electrode assembly. The electrolyte membrane according to the present invention has high hydrogen ion conductivity over a wide temperature range, and excellent physical properties such as mechanical properties, chemical resistance and thermal stability. Deterioration of the membrane properties is effectively controlled by phosphoric acid doping and high hydrogen ion conductivity is realized even with a low phosphoric acid doping level. This consistent electrolyte paste/gel may be useful in improving the operating performance of a fuel cell by coating the electrolyte uniformly.
摘要:
The present invention relates to a branched and sulphonated multi block copolymer and an electrolyte membrane using the same, more precisely, a branched and sulphonated multi block copolymer composed of the repeating unit represented by formula 1 and a preparation method thereof, a hydrogenated branched and sulphonated multi block copolymer, a branched and sulphonated multi block copolymer electrolyte membrane and a fuel cell to which the branched and sulphonated multi block copolymer electrolyte membrane is applied. The electrolyte membrane of the present invention has high proton conductivity and excellent mechanical properties as well as chemical stability, so it can be effectively used for the production of thin film without the decrease of membrane properties according to the increase of sulfonic acid group since it enables the regulation of the distribution, the location and the number of sulfonic acid group in polymer backbone.
摘要:
The present invention relates to a branched and sulphonated multi block copolymer and an electrolyte membrane using the same, more precisely, a branched and sulphonated multi block copolymer composed of the repeating unit represented by formula 1 and a preparation method thereof, a hydrogenated branched and sulphonated multi block copolymer, a branched and sulphonated multi block copolymer electrolyte membrane and a fuel cell to which the branched and sulphonated multi block copolymer electrolyte membrane is applied. The electrolyte membrane of the present invention has high proton conductivity and excellent mechanical properties as well as chemical stability, so it can be effectively used for the production of thin film without the decrease of membrane properties according to the increase of sulfonic acid group since it enables the regulation of the distribution, the location and the number of sulfonic acid group in polymer backbone.
摘要:
A mold for a display device, comprising a supporting frame; at least one pattern forming part provided on a surface of the supporting frame; and a protrusion projecting from the supporting frame and disposed along the circumference of the pattern forming part, an inside wall of the protrusion toward the pattern forming part standing upright from the surface of the supporting frame.
摘要:
A manufacturing method of an LCD comprises forming an insulating substrate; forming a gate line extending in a horizontal direction and a data line insulatively crossing the gate line to define a pixel area on the insulating substrate; forming a TFT disposed at an intersection of the gate line and the data line and comprising a drain electrode; forming an organic passivation layer on the TFT; forming a drain contact hole exposing the drain electrode and forming an embossing pattern in the organic passivation layer by disposing and pressurizing a mold having an intaglio pattern corresponding to the pixel area and a projection corresponding to the drain electrode on the organic passivation layer; and forming a pixel electrode connected to the drain electrode through the drain contact hole.
摘要:
A mold for a display device, comprising a supporting frame; at least one pattern forming part provided on a surface of the supporting frame; and a protrusion projecting from the supporting frame and disposed along the circumference of the pattern forming part, an inside wall of the protrusion toward the pattern forming part standing upright from the surface of the supporting frame.
摘要:
A method of manufacturing a display device in which a film deposited on a substrate through openings in a covering layer is easily removed from the covering layer. A master layer having a predetermined pattern of openings is formed on a base substrate exposing portions of the base substrate. A light shielding material is sprayed on the master layer to penetrate inside the openings after the surface of the base substrate exposed through the opening of the master layer has been treated to increase the difference of interface tensions between the master layer and the light shielding material; fabricating a mold provided with the light shielding film by forming a moldable material layer on the base substrate and the master layer and then curing the moldable material layer and the light shielding material; arranging, pressurizing and exposing the mold on an insulation substrate having a photosensitive film formed thereon after separating the mold from the master layer; and developing the photosensitive film after separating the mold from the insulation substrate.
摘要:
A method for manufacturing a display device, comprises; providing an insulating substrate; forming a passivation layer on the insulating substrate; arranging a mold including a supporting layer, a pattern forming layer provided on a first surface of the supporting layer and having concaves-convexes formed thereon and a buffer layer formed on the other surface of the supporting layer so that the pattern forming layer faces the passivation layer; and pressurizing the mold to form a concave-convex pattern corresponding to the concaves-convexes on the passivation layer. Thus, the present invention provides a method for manufacturing a display device being capable of enhancing the reproducibility and yield of the concave-convex pattern.
摘要:
A manufacturing method of an LCD comprises forming an insulating substrate; forming a gate line extending in a horizontal direction and a data line insulatively crossing the gate line to define a pixel area on the insulating substrate; forming a TFT disposed at an intersection of the gate line and the data line and comprising a drain electrode; forming an organic passivation layer on the TFT; forming a drain contact hole exposing the drain electrode and forming an embossing pattern in the organic passivation layer by disposing and pressurizing a mold having an intaglio pattern corresponding to the pixel area and a projection corresponding to the drain electrode on the organic passivation layer; and forming a pixel electrode connected to the drain electrode through the drain contact hole.