About 43 results
https://drivepatents.com/patents/1076617 · 22 Jun 2005
There are recesses in a frame area to define a structure of recesses that is in an inner area and does not relate to the recesses in the frame area. This produces a chamber plate element (2) underneath and a fluid channel structure that has a mechanical br...
https://drivepatents.com/patents/1079794 · 2 Mar 2005
A fuel cell stack has at least one end and/or current-collecting plate which includes a substrate coated with an electrocatalytically-active material, preferably comprising ruthenium oxide and optionally ruthenium oxide and a non-noble metal oxide.
https://drivepatents.com/patents/1080743 · 19 Jan 2005
Fuel cell (116) with anode, cathode, electrolyte and contact plate (118) comprises a fluid-guiding element (120) in sheet form with a fluid-tight connection to the contact plate and bounding the fluid space. The contact plate and fluid guide sheet form a t...
https://drivepatents.com/patents/1081305 · 29 Dec 2004
A polymeric electrolyte membrane (2) has gas diffusive electrodes (3,4) on either sides, respectively. The graphite collector (5), gas permeable buffer layer (6) and metal separator (7) are formed sequentially on each electrode. An anticorrosive coating (9...
https://drivepatents.com/patents/1081259 · 29 Dec 2004
A metal separator has a conductive route protruding from the separator surface. Gold is selectively precipitated in the exposed conductive route. An independent claim is included for the production of a metal separator.
https://drivepatents.com/patents/1082024 · 1 Dec 2004
The fuel cell has gas discharge holes and annularly-arranged gas discharge holes provided at center and periphery of a separator, respectively. The fuel cell is provided with a recess in the surface, on the side contacting a collector of the separator. An ...
https://drivepatents.com/patents/1085046 · 11 Aug 2004
A solid oxide fuel cell capable of increasin a thermal cycle resistance by uniformizin the flow and distribution of the as of air and fuel in cells, wherein a center through-hole and a plurality of peripheral through-holes are formed at the center part of ...
https://drivepatents.com/patents/1085646 · 14 Jul 2004
Fuel cell module (1) comprises a bipolar plate (2) and a membrane-electrode unit (3). The bipolar plate has a peripheral frame (5) made from an electrically non-conducting material and an electrically conducting inner bipolar plate region (6) enclosing the...
https://drivepatents.com/patents/1085884 · 30 Jun 2004
Process for preparation of a bipolar plate (1) for fuel cell stacks, with a frame (2) in electrically nonconductive material (ENM) and an inner bipolar plate region (3) in ENM, and a gas channel (5) by: (A) preparation of plate (1) by placing electrically ...
https://drivepatents.com/patents/1086914 · 26 May 2004
A solid state fuel cell comprising a non-polymeric electrolyte, the fuel cell comprising a member having a porous region, the member comprising metallic titanium or an alloy thereof. Preferably, the fuel cell is a solid oxide fuel cell or a protonic cerami...