About 45 results
https://drivepatents.com/patents/1071998 · 7 Dec 2005
A fuel cell is provided having a positive electrode layer (13) and a negative electrode layer (14) disposed on the front and rear sides of an electrolyte membrane (12), for generating electricity by bringing hydrogen into contact with a catalyst in the neg...
https://drivepatents.com/patents/1075213 · 10 Aug 2005
A fuel cell membrane electrode having a cathode catalyst layer on one surface of a polymer electrolyte membrane, and an anode catalyst layer on the other surface of the membrane, the cathode catalyst layer being supplied with an oxygen-containing gas, and ...
https://drivepatents.com/patents/1077113 · 8 Jun 2005
The present invention provides a gas diffusion layer (13) for a fuel cell (1) which has proper rigidity, is easy to handle and contributes to the improvement of the productivity of fuel cells. A method for producing a gas diffusion layer (13) for a fuel ce...
https://drivepatents.com/patents/1078596 · 13 Apr 2005
A method for preparing a membrane to be assembled in a membrane electrode assembly is disclosed comprising the step of swelling an ion-conducting membrane in a liquid containing at least one solvent or to an atmosphere containing the vapor phase of at leas...
https://drivepatents.com/patents/1079232 · 16 Mar 2005
The present invention provides ink for forming a catalyst layer containing at least a cation conductive polymer electrolyte, catalyst-supporting particles including conductive carbon particles and an electrode catalyst supported thereon, and a dispersion m...
https://drivepatents.com/patents/1080769 · 12 Jan 2005
A laminate consisting of an ion exchange membrane layer comprising a porous film reinforcement and a crosslinked ion exchange resin and a conductive layer formed on at least one side of the ion exchange membrane layer and comprising conductive inorganic pa...
https://drivepatents.com/patents/1081216 · 29 Dec 2004
An electrode catalyst comprises noble metal particle supported carbon material containing catalytically induced turbostratic structures in parts of its structure. Independent claims are included for the following: (a) a fuel cell comprising the electrode c...
https://drivepatents.com/patents/1082005 · 1 Dec 2004
An electrode suitable for use in a fuel cell includes a passive support having pores wherein the passive support has an asymmetric pore morphology with respect to at least one dimension of the passive support; and an electrode material positioned in the po...
https://drivepatents.com/patents/1085358 · 28 Jul 2004
A fuel cell (10) includes at least one electrode (16, 18) operatively disposed in the fuel cell (10), and having a catalytically active surface. The present invention further includes a mechanism for maintaining a substantially uniform maximum catalytic ac...
https://drivepatents.com/patents/1086413 · 16 Jun 2004
An electrolyte membrane-electrode assembly for a fuel cell comprises a polymer electrolyte membrane and a pair of electrodes sandwiching the electrolyte membrane, and each of the electrodes comprises a catalyst layer in contact with the polymer electrolyte...