Fuel cell

Details Fuel cell Fuel cell

H - Electricity

01

M

H01M 4/86 (2006.01) H01M 4/90 (2006.01) H01M 8/10 (2006.01)

Patent

CA 2563932

Disclosed is a fuel cell comprising a pair of catalyst layers so arranged as to sandwich a proton conductive electrolyte membrane therebetween. The fuel cell is characterized in that at least a catalyst layer of the cathode is composed of a mixture including a catalyst component, an electrolyte material and a carbon material which is composed of a catalyst supporting carbon material carrying the catalyst component and a gas diffusion carbon material not carrying the catalyst component, and the water vapor adsorption of the catalyst supporting carbon material at a relative humidity of 90% at 25~C is not less than 50 ml/g.

Ci-présent est une cellule de carburant comprenant une paire de couche catalyseuse très arrangée pour sandwicher une membrane de proton électrolyte. La cellule de carburant est caractérisée du fait qu'au moins une couche catalyseuse de la cathode est composée d'un mélange comprenant un composant catalyseur et d'une matière de carbone qui est composée d'une matière de support qui transporte le composant catalyseur et une matière de carbone de diffusion de carburant qui ne transporte pas le composant catalyseur, et l'adsorption de la vapeur d'eau de la matière de support de carbone à une humidité relative de 90% à 25°C n'est pas moins de 50 ml/g.

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