About 45 results
https://drivepatents.com/patents/1087656 · 28 Apr 2004
In one of many possible embodiments, the present invention provides a fuel cell system including a fuel cell (40) having a plurality of segmented anodes (20), each segmented anode (20) measuring a minimal length sufficient to substantially consume or catal...
https://drivepatents.com/patents/1088479 · 31 Mar 2004
A catalyst-coated membrane comprises an ionomer membrane (1) having two surfaces, each has an active area coated with a catalyst layer and a passive area; and protective film layer(s) (3) attached to each of the two surfaces of the catalyst-coated membrane...
https://drivepatents.com/patents/1090261 · 21 Jan 2004
The present invention provides an electrode for a fuel cell, which prevents electrode exfoliation at a manufacturing process by optimizing a water repellent material to be added to a gas diffusion layer, and which has a high discharge performance at a low ...
https://drivepatents.com/patents/1090248 · 21 Jan 2004
The present invention provides a fuel electrode of a solid polymer electrolyte fuel cell for advancing a fuel cell reaction to oxidize the fuel introduced through a diffusion layer, comprising at least one reaction layer which is in contact with a solid po...
https://drivepatents.com/patents/1091488 · 3 Dec 2003
A polymer electrolyte fuel cell comprising: a hydrogen ion-conductive polymer electrolyte membrane; an anode and a cathode with the electrolyte membrane interposed therebetween; an anode-side conductive separator having a gas flow channel for supply of a f...
https://drivepatents.com/patents/1092310 · 29 Oct 2003
It has been difficult to keep the voltage of a polymer electrolyte fuel cell stable for a long period of time because uniform water content control over the plane of the membrane-electrode assembly is impossible. A gas diffusion electrode is produced by fo...
https://drivepatents.com/patents/1096664 · 23 Apr 2003
In a polymer electrolyte fuel cell including a hydrogen ion conductive polymer electrolyte membrane; a pair of electrodes composed of catalyst layers sandwiching the hydrogen ion conductive polymer electrolyte membrane between them and gas diffusion layers...
https://drivepatents.com/patents/1097058 · 2 Apr 2003
Disclosed is a fuel cell comprising: a hydrogen-ion conductive polymer electrolyte membrane; a pair of electrodes sandwiching the hydrogen-ion conductive polymer electrolyte membrane; a first separator plate having a gas flow path for supplying a fuel gas ...
https://drivepatents.com/patents/1097056 · 2 Apr 2003
A porous supporting carbon body of a gas diffusion layer is provided with a larger number of smaller pores at its catalyst layer side and a smaller number of larger pores at the other side, particularly with an appropriate distribution of finer mesh at its...
https://drivepatents.com/patents/1097514 · 19 Mar 2003
A method is provided for easily obtaining a high performance electrode without using an organic solvent for making an ink of an electrode catalyst or a surfactant for making an ink of a water repellent carbon material. The method of manufacturing an electr...