About 51 results
https://drivepatents.com/patents/1086087 · 23 Jun 2004
An integrated bipolar plate module for a fuel cell stack includes a cathode fluid flow plate, an anode fluid flow plate and a coolant fluid flow plate which is mounted and sandwiched between the cathode fluid flow plate and the anode fluid flow plate. The ...
https://drivepatents.com/patents/1086979 · 26 May 2004
A gas passage (42, 43, 44) formed in a cathode side bipolar plate (4) comprises an upstream side gas passage (42) which communicates with an oxidizer gas supply port (41), a first comb tooth-form gas passage (43) provided downstream of the upstream side ga...
https://drivepatents.com/patents/1088725 · 24 Mar 2004
The present invention provides a fuel cell assembly (10) comprising at least one fuel cell (50). The fuel cell comprises an anode (20), a cathode (30), and a electrolyte (40) interposed therebetween; at least one fluid flow channel (95) disposed within the...
https://drivepatents.com/patents/1090385 · 14 Jan 2004
Fuel cell stack comprises several fuel cells (2) of the polymer-electrolyte membrane structure to form the stack, and parallel channels (8) for a cooling fluid arranged between neighboring membrane electrode units (4, 5, 6). The through-flow of neighboring...
https://drivepatents.com/patents/1093433 · 10 Sep 2003
In starting power generation under low temperature conditions, an antifreeze liquid being coolant of a cooling system 13 in a fuel cell stack 1 is once recovered in a tank 136 to reduce heat capacity of the fuel cell stack 1, and thereafter the power gener...
https://drivepatents.com/patents/1094228 · 6 Aug 2003
The device has transverse channels (6) for gas supply on at least one side of a polymer electrolyte membrane or PEM (2). The channels are formed behind a diffusion layer covering the PEM near an electrode surface supporting the diffusion layer and run tran...
https://drivepatents.com/patents/1097062 · 2 Apr 2003
A fuel cell having an optimized flow space for the passage of hydrogen gas across the surface of an anode. The invention prevents destructive oxidation of the anode by preventing the buildup of locally high levels of oxygen. The anode surface itself may be...
https://drivepatents.com/patents/1097608 · 12 Mar 2003
A fuel cell (100) can be heated, upon starting thereof, by supplying hydrogen gas from a hydrogen tank (100) to a hydrogen adsorbing alloy tank (300) so as to be adsorbed therein. The hydrogen adsorbing alloy tank (300) adsorbs the hydrogen gas with genera...
Solid polymer electrolyte fuel cell assembly, fuel cell stack, and method of operating cell assembly
https://drivepatents.com/patents/1101740 · 18 Sep 2002
A cell assembly (10) is formed by stacking a first unit cell (14) and a second unit cell (16) to each other. The first unit cell (14) includes a first unified body (18), and the second unit cell (16) includes a second unified body (20). In the cell assembl...
https://drivepatents.com/patents/1101899 · 11 Sep 2002
A cell assembly (10) includes a first unit cell (14) and a second unit cell (16) stacked to each other. The first unit cell (14) includes a first unified body (18), and the second unit cell (16) includes a second unified body (20). In the cell assembly (10...