About 33 results
https://drivepatents.com/patents/1085360 · 28 Jul 2004
A membrane electrode assembly (MEA) (22) is arranged between a pair of gaskets (34,36), such that the upper and lower periphery of MEA is heat staked to respective perimeter surfaces of the gaskets. An Independent claim is also included for fuel cell assem...
https://drivepatents.com/patents/1087425 · 12 May 2004
A solid-oxide fuel cell stack having a plurality of fuel cells connected in series and disposed as two stacks side-by-side in head-to-tail configuration, connected in series across one end and having cathode and anode current collectors mounted side-by-sid...
https://drivepatents.com/patents/1087315 · 6 May 2004
The feeding of oxidizing agent and fuel gas into the respective cathode (33) and anode (32), are continued for a predetermined time period, after the fuel cell and a load (306) are disconnected. The feeding of the oxidizing agent and fuel gas is stopped, s...
https://drivepatents.com/patents/1091102 · 17 Dec 2003
An improved membrane electrode assembly ("MEA") for an electrochemical fuel cell comprises coextensive ion exchange membrane and electrode layers and a rigid fluid impermeable integral seal comprising a sealant material impregnated into the porous electrod...
https://drivepatents.com/patents/1097968 · 5 Mar 2003
A heated, shaped cutting tool punches out a layered structure (1) with a plastic foil (2) placed on top and below. A structure layered with foil and welded on outer edges is further processed by heating and pressing the edge zones in a subsequent operating...
https://drivepatents.com/patents/1098847 · 22 Jan 2003
The fuel cell unit (114) has a housing bounding at least one gas chamber (124) and gas passage openings in opposing first and second housing walls (118,120). The fuel cell unit contains at least one annular closed support element (200) with gas passage ope...
https://drivepatents.com/patents/1098844 · 22 Jan 2003
The device has a housing, a substrate (121) and an electrode (122) on an electrode side (226) of the substrate. The substrate is designed to enable gas to pass from a gas chamber (124) on a gas chamber side of the substrate to the electrode. The substrate ...
https://drivepatents.com/patents/1100126 · 27 Nov 2002
The seal (188) has at least one sealing element containing a ceramic material and being of annular shape with at least one contact surface for at least one of the components to be sealed (118,120), which is arranged at least partly essentially parallel to ...
https://drivepatents.com/patents/1100114 · 27 Nov 2002
Seal (188) for arranging between two electrically conducting constructional units (118, 120), especially between two constructional units of a fuel cell block composite, comprises at least one first component (256) made of an electrically insulating materi...
https://drivepatents.com/patents/1101728 · 18 Sep 2002
The invention regards the so-called 'MEGA', a component representing an essential part of fuel cells, produced through a forming process whereby the electrodes (3) are embedded in the gasket (2) and which starts from a large assembly that is subsequently s...