Catalyst for fuel cell electrode, process for producing...

Details Catalyst for fuel cell electrode, process for producing... Catalyst for fuel cell electrode, process for producing...

H - Electricity

01

M

H01M 4/96 (2006.01) H01M 4/88 (2006.01) H01M 4/90 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2634678

A catalyst for fuel cell electrodes which is advantageous for inhibiting a carbon support, e.g., carbon nanotubes, from agglomerating and is advantageous for keeping three ingredients consisting of the carbon support, a catalyst ingredient, and an electrolyte ingredient in tight contact with one another; and a process for producing the catalyst for fuel cell electrodes. The catalyst for fuel cell electrodes comprises a carbon support having a .PI.- conjugated system (e.g., CNTs), an electrolyte ingredient having an aromatic ring, and a catalyst ingredient. In the process for producing the catalyst for fuel cell electrodes, a carbon support having a .PI.-conjugated system (e.g., CNTs), an electrolyte ingredient having an aromatic ring, and a catalyst ingredient are brought into contact with one another in a solvent. Thus, the carbon support can be modified with the electrolyte ingredient and the catalyst ingredient can be fixed to the support.

La présente invention concerne un catalyseur pour des électrodes de pile à combustible qui est avantageux pour protéger un support carboné, par exemple des nanotubes de carbone, de l'agglomération et est avantageux pour maintenir en contact étroit l'un avec l'autre trois ingrédients consistant en ledit support carboné, un ingrédient catalytique et un ingrédient électrolytique ; et un procédé de production du catalyseur pour des électrodes de pile à combustible. Ledit catalyseur comprend un support carboné comportant un système ?-conjugué (par exemple, des NTC), un ingrédient électrolytique comportant un cycle aromatique et un ingrédient catalytique. Dans le procédé de fabrication dudit catalyseur, un support carboné comportant un système ?-conjugué (par exemple, des NTC), un ingrédient électrolytique comportant un cycle aromatique et un ingrédient catalytique sont amenés en contact l'un avec l'autre dans un solvant. Ainsi, le support carboné peut être modifié avec l'ingrédient électrolytique et l'ingrédient catalytique peut être fixé au support.

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