摘要:
The processes include: a layer superposition step in which the step of sputtering or vapor-depositing a mixture layer including a first pore-forming metal and a catalyst metal on a substrate and the step of forming an interlayer of a second pore-forming metal or a fibrous-carbon interlayer are alternately conducted repeatedly two or more times to thereby form a multilayer structure containing mixture layers and interlayers; and a pore formation step in which after the layer superposition step, the multilayer structure is subjected to a pore formation treatment.
摘要:
The present invention is to provide an electrolyte membrane for fuel cell of low fuel permeability and high proton conductivity and to provide a fuel cell comprising the electrolyte membrane.According to the present invention, a polymer membrane including repeating unit of five-membered heterocyclic rings is used as an electrolyte membrane of the fuel cell. The electrolyte membrane has high proton conductivity with free from moves of the fuel or water when the proton conducts in the electrolyte membrane.
摘要:
There is provided a supported catalyst which has an excellent catalyst performance and is stable against highly concentrated methanol. The supported catalyst for a fuel cell electrode comprises a carrier and a catalytic metal supported on the carrier, characterized in that the carrier is hydrophilic and a metal oxide capable of accelerating proton conduction is provided on at least a part of the surface of the hydrophilic carrier.
摘要:
A catalyst is provided and includes fine catalyst particles of a composition represented by formula (1): PtuRuxTayTz, in which T is at least one element selected from the group consisting of Hf, W, Ni, and V; u, x, y, and z are 10 to 98.9 atm %, 0.1 to 50 atm %, 0.5 to 35 atm %, and 0.5 to 35 atm %, respectively, or formula (2): PtuRuxTayTz, in which T is at least one element selected from the group consisting of Ct, Mo, Nb, Zr, and T; u, x, y, and z are 40 to 70 atm %, 0.1 to 50 atm %, 0.5 to 15 atm %, and 0.5 to 15 atm %, respectively
摘要:
An electrolytic membrane comprising a porous membrane substrate containing a cross-linked polymer electrolyte having at least a structural component shown by following chemical formula 1: wherein A represents a repeating unit having an aromatic hydrocarbon group substituted by at least a sulfonic acid group, B represents a repeating unit having one of a nitrogen-containing hetero ring compound residue, and the sulfate, hydrochloride or organic sulfonate thereof, C represents a repeating unit having a cross-linked group, and X, Y and Z represent mol fractions of respective repeating units in the chemical formula 1, with 0.34≦X≦0.985, 0.005≦Y≦0.49, 0.01≦Z≦0.495 and Y≦X and Z≦X, provided that, in the repeating unit A, a ratio of the aromatic hydrocarbon group substituted by at least a sulfonic acid group is 0.3 to 1.0, and the number of the sulfonic acid group in the aromatic hydrocarbon group is 1 to 3.
摘要翻译:一种电解质膜,其含有具有至少具有下述化学式1所示的结构成分的交联聚合物电解质的多孔膜基材:其中,A表示具有至少被磺酸基取代的芳香族烃基的重复单元,B表示 具有含氮杂环化合物残基和硫酸盐,盐酸盐或其有机磺酸盐之一的重复单元,C表示具有交联基团的重复单元,X,Y和Z表示各个重复单元的摩尔分数 在化学式1中,如果在重复单元A中,0.34 <= X <=0.985,0.005≤Y≤0.49,0.01 <= Z <= 0.495,Y <= X和Z <= X, 由至少磺酸基取代的芳香族烃基的比例为0.3〜1.0,芳香族烃基中的磺酸基的数为1〜3。
摘要:
A proton conductive inorganic material includes oxide particles containing at least one element X selected from the group consisting of W, Mo, Cr, B and V, an oxide carrier carrying the oxide particles and containing at least one element Y selected from the group consisting of Sn, Hf, Ge, Ga, In, Ce and Nb.
摘要:
Disclosed is a catalyst, including a catalyst particle containing at least one component selected from the group consisting of gold, platinum and an gold alloy, the gold alloy containing gold and at least one element selected from transition metal elements of the fourth period, fifth period and sixth period of the Periodic Table, and a catalyst carrier carrying the catalyst particle and containing a perovskite type oxide represented by general formula (1) given below: A(1-x)BxTiOy (1) where the element A is at least one element selected from the group consisting of Ca, Sr and Ba, the element B is at least one element selected from the group consisting of La, Nd, Sm, Eu, Gd, Dy, Ho, Er, Tm, Yb, and Lu, the molar ratio x satisfies 0
摘要:
The present invention provides a separator for fuel cell, containing an inorganic filler and a thermosetting resin, and having glass transition temperature of 20° C. or less and 100° C. or more, coefficient of thermal expansion at 20° C. of 0.4×10−5/° C. or more and 4×10−5/° C. or less, and bending modulus of elasticity at 20° C. of 5 GPa or more and 30 GPa or less.
摘要翻译:本发明提供一种燃料电池用隔板,其含有无机填料和热固性树脂,玻璃化转变温度为20℃以下且100℃以上,20℃时的热膨胀系数为0.4 x 10 -5℃/℃以上4×10 -5 /℃以下,20℃下的弯曲弹性模量为5GPa以上且30GPa以下。
摘要:
A method of forming a pattern which comprises the steps of, forming a matrix pattern on a work film, filling an opened space in the matrix pattern with a mask material layer containing at least one kind of a network carbon polymer having a repeating unit represented by the following general formulas (CP1) to (CP4) on the work film, forming a mask material pattern by removing the matrix pattern, and forming a work film pattern by transferring the mask material pattern to the work film: wherein R is halogen atom, hydrogen atom or a substituted or unsubstituted hydrocarbon group, A is a polyvalent organic group, and m, n and k denote respectively a positive integer.
摘要:
A material of forming silicon oxide film comprising a polymer having a repeating unit represented by the following general formula (1A), (1B) or (1C); ##STR1## wherein R.sup.1 is a substituent group which can be eliminated at a temperature ranging from 250.degree. C. to the glass transition point of the material of forming silicon oxide film; and R.sup.2 is a substituent group which cannot be eliminated at a temperature of 250.degree. C. or more.