About 22 results
https://drivepatents.com/patents/1007781 · 16 Nov 2011
The present invention proposes a fuel cell, in particular a proton exchange membrane fuel cell, comprising a reactant gas inlet (12), a reactant gas outlet (14) and a plurality of reactant gas flow channels between the reactant gas inlet (12) and the react...
https://drivepatents.com/patents/1008919 · 5 Oct 2011
The plate has a reactive face (1) for supplying oxidizing gas or fuel gas to an electrode membrane assembly. The face has projecting edges (3) that define respective gas circulating channels (2). Width (O) of each channel at half-height of the correspondin...
https://drivepatents.com/patents/1010773 · 27 Jul 2011
A polymer electrolyte fuel cell includes a membrane electrode assembly including a polymer electrolyte membrane and a pair of catalyst electrodes sandwiching the polymer electrolyte membrane; a pair of separators sandwiching the membrane electrode assembly...
https://drivepatents.com/patents/1012331 · 8 Jun 2011
A polymer electrolyte fuel cell of the present invention includes a membrane electrode assembly (5) having a pair of electrodes (4a, 4b) sandwiching a portion of a polymer electrolyte membrane (1) which is inward relative to a peripheral portion thereof, a...
https://drivepatents.com/patents/1014697 · 23 Mar 2011
A fuel cell includes a plurality of power generation cells (12) each having a first separator (14). The separator (14) has a fuel gas flow field (36). A fuel gas supply passage (32a) extends through one corner of the power generation cell (12) in the stack...
https://drivepatents.com/patents/1016206 · 26 Jan 2011
A fuel cell separator of the present invention is a plate-shaped fuel cell separator including a reaction gas supply manifold hole 21, a reactant gas discharge manifold hole 22, a groove-shaped first reactant gas channel 131, and one or more groove-shaped ...
https://drivepatents.com/patents/1066665 · 7 Jun 2006
A gas distribution plate for a high temperature fuel cell comprises a planar sheet having a channel structure. The sheet has a surrounding frame and the channels have a taper at the beginning and end. Preferably the channels have a breadth of 0.5-2 mm, esp...
https://drivepatents.com/patents/1078752 · 6 Apr 2005
A fuel cell comprises an electromotive unit (52) which generates power based on a chemical reaction, a fuel tank which contains a fuel and supplies the fuel to the electromotive unit, and an air supply section which supplies air to the electromotive unit. ...
https://drivepatents.com/patents/1079865 · 23 Feb 2005
The plate has a face (11) with a groove (6) forming channels for circulating anodic and cathodic fluids. The groove extends on its entire length in a rectilinear manner. The groove has a longitudinal opening in a plane of the face. The groove is delimited ...
https://drivepatents.com/patents/1087850 · 21 Apr 2004
A fuel cell comprises an anode, a cathode, an anode-side separator having a fuel gas passage groove, cathode-side separator having a oxidant gas passage groove (21a) and a gas diffusion layer of thickness 100 - 400 mu m. The grooves travel in serpentine li...