Chemistry: electrical current producing apparatus – product – and – Fuel cell – subcombination thereof – or method of making or... – Method of making a fuel cell – fuel cell stack – or...
Reexamination Certificate
2004-05-07
2010-11-23
Ryan, Patrick (Department: 1795)
Chemistry: electrical current producing apparatus, product, and
Fuel cell, subcombination thereof, or method of making or...
Method of making a fuel cell, fuel cell stack, or...
C429S480000
Reexamination Certificate
active
07838172
ABSTRACT:
A composite porous body, a gas diffusion layer member of a polymer electrolyte fuel cell, a cell member for the polymer electrolyte fuel cell, and manufacturing methods thereof are provided. The composite porous body is a metallic composite porous body in which a sheet-like metal portion composed of a composite porous body having a three-dimensional mesh structure and a resin portion extending in an in-plane direction of the metal portion are integrally formed with each other. The gas diffusion layer member of a polymer electrolyte fuel cell is composed of a composite porous body in which a sheet-like metal portion composed of a composite porous body having a three-dimensional mesh structure and a resin portion extending in an in-plane direction of the metal portion are integrally formed with each other. Also, the gas diffusion layer member of a polymer electrolyte fuel cell has a separator plate, and the conductive porous body placed on at least one surface of the separator plate. A resin frame is integrally provided so as to cover the peripheries of separator plate and the conductive porous body.
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Akiyama Sakae
Hamada Kazuichi
Isobe Takeshi
Kanda Eiko
Kato Komei
Leason Ellis LLP
Mitsubishi Materials Corporation
Parsons Thomas H.
Ryan Patrick
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