A fuel cell stack constituted by fastening a laminated cell, is disclosed. The electrode of the cell has a catalyst electrode layer and a porous gas diffusion layer and supporting a polymer electrolyte membrane (1) from both sides. A separator (3) of the c...

A membrane electrode assembly may be made using a one-sided catalyst coated membrane (CCM) wherein only one catalyst layer, either the anode or the cathode, is coated directly on the ion-exchange membrane. The other catalyst layer is coated on a gas diffus...

Disclosed is a catalyst powder (1) contained in an electrode, wherein the catalyst powder includes a catalytic substance (3) supported on a conductive powder (2), the catalytic substance being comprised of at least a catalyst, the weight ratio of the catal...

It is to provide an electrode/membrane assembly (8) for a polymer electrolyte fuel cell, comprising, as an anode (6) and/or cathode (7), a gas diffusion electrode which comprises a gas diffusion layer (5, 5') comprising a carbon cloth (1, 1') and a water r...