About 119 results
https://drivepatents.com/patents/1070001 · 15 Feb 2006
A polymer electrolyte fuel cell comprising: a solid polymer electrolyte (1) membrane containing an aromatic polymer electrolyte; an electrode comprising a catalyst layer (2) and a gas diffusion layer (3) as an anode and a cathode to be joined on both surfa...
https://drivepatents.com/patents/1070960 · 11 Jan 2006
Disclosed herein is a carbon composite separator for a fuel cell. The carbon composite separator comprises a separator body, and a partition plate made of a highly conductive and gas-impermeable material and embedded in the separator body. The carbon compo...
https://drivepatents.com/patents/1071426 · 28 Dec 2005
Disclosed is a method for producing a carbon composite material for a fuel cell separator, comprising dry homogenizing graphite powder as a conductive filler, a solid phenolic resin as a binder, and additives for improving physical properties, pouring the ...
https://drivepatents.com/patents/1071608 · 21 Dec 2005
Disclosed herein is a method for preparing a molding material for a fuel cell separator by dissolving an epoxy resin, a hardener and other additives in acetone and mixing a planar expanded graphite powder with the solution. Further disclosed are a molding ...
https://drivepatents.com/patents/1074444 · 7 Sep 2005
A fuel cell includes a power generation unit provided with a conduit for an oxidant gas containing at least oxygen, a heat radiation unit connected to the power generation unit so as to radiate heat from the power generation unit, a gas flow means for caus...
https://drivepatents.com/patents/1076217 · 6 Jul 2005
In a fuel cell, a porous portion (32) is formed in a separator. At a surface of the porous portion opposite to a surface where a reactant gas passage is formed, a cooling gas passage (33) is formed. The cooling gas passage (33) may be fluidly connected to ...
https://drivepatents.com/patents/1077462 · 1 Jun 2005
A fuel cell separator (20) having a central part (22) and an outer peripheral part (30) is disclosed. The central part consists of a metal member made of stainless steel or the like. Multiple gas passages (31, 32) and multiple product water passages (33) a...
https://drivepatents.com/patents/1077491 · 1 Jun 2005
The present invention restores the performance of a fuel cell by: operating the cell in a loaded current mode different from that of a normal operation for a predetermined time; supplying an oxidant gas and a fuel gas to an anode and a cathode respectively...
https://drivepatents.com/patents/1078086 · 4 May 2005
The structure has cells formed of two electrodes, and two interface units, each with a distributor unit (100), made of thermoplastic material. The unit has, on its side opposite to an electrode, distribution channels (111) for diffusion of reactant, and a ...
https://drivepatents.com/patents/1078705 · 6 Apr 2005
A direct liquid feed fuel cell stack that comprises MEAs and bipolar plates. Each MEA comprises an electrolyte membrane, an anode and a cathode, and the MEA is interposed between stacked bipolar plates. Each bipolar plate comprises a groove with a predeter...