About 119 results
https://drivepatents.com/patents/1097783 · 12 Mar 2003
In a fuel cell assembly comprising at least one cell including an electrolyte layer, a pair of gas diffusion electrode layers interposing the electrolyte layer between them, and a pair of flow distribution plates for defining passages for fuel and oxidizer...
https://drivepatents.com/patents/1097728 · 12 Mar 2003
A fuel cell including at least one unit fuel cell including a hydrogen gas path forming plate (6) having a plurality of openings (9), (12) and (13), an oxygen electrode plate (1) having a proton conductor film (45) and a plurality of openings (22), (23) an...
https://drivepatents.com/patents/1097648 · 12 Mar 2003
A polymer electrolyte fuel cell comprises a cell stack comprising a plurality of membrane electrode assemblies and a plurality of conductive separator plates that are stacked alternately, each of the membrane electrode assemblies comprising a hydrogen-ion ...
https://drivepatents.com/patents/1097649 · 12 Mar 2003
End plates of a fuel cell are conventionally made by cutting metal plates. Therefore, they have problems in that it is difficult to reduce their cost, and they are inconveniently heavy, and they are likely to be corroded by supplied gases and cooling water...
https://drivepatents.com/patents/1098755 · 29 Jan 2003
The present invention concerns a fuel reservoir for a liquid fuel cell particularly useful for portable electronic devices in which the fuel reservoir can deliver the liquid fuel regardless of the orientation. The fuel reservoir comprises (a) a container (...
https://drivepatents.com/patents/1099873 · 11 Dec 2002
The present invention relates to a polymer electrolyte fuel cell comprising: an electrolyte membrane-electrode assembly including an anode, a cathode and a polymer electrolyte membrane interposed therebetween; an anode-side conductive separator plate havin...
https://drivepatents.com/patents/1100292 · 20 Nov 2002
An anode side has an inlet (3.2) into a fuel cell unit for a hydrogen-rich gas and an outlet (3.1) for anode exhaust gas. A cathode side has an inlet (4.1) into the fuel cell unit for oxygen-rich gas and an outlet (4.2). A pressure regulator (1) has a memb...
https://drivepatents.com/patents/1100618 · 6 Nov 2002
A polymer electrolyte fuel cell comprising: a plurality of conductive separator plates, each comprising a corrugated metal plate; an electrolyte membrane-electrode assembly inserted between the separator plates, the electrolyte membrane-electrode assembly ...
https://drivepatents.com/patents/1101440 · 2 Oct 2002
The present invention relates to a polymer electrolyte fuel cell and a method of making the same. [0002] A polymer electrolyte fuel cell comprises an MEA comprising a polymer electrolyte membrane and a pair of catalyst-containing porous electrodes sandwich...
https://drivepatents.com/patents/1101296 · 2 Oct 2002
Provided a proton exchange membrane fuel cell (PEMFC) stack with at least two cell units. Each cell unit includes: a catalyzed membrane (11) formed by catalyzing both surfaces of an electrolyte layer; a fuel flow field portion (12) and air flow field porti...