About 73 results
https://drivepatents.com/patents/1087159 · 19 May 2004
A solid oxide fuel cell stack (57) generates power by an electrochemical reaction of oxygen with hydrogen or hydrogen and carbon monoxide in a reformed gas (27) which is produced from a natural gas (1) by a reformer (3), and supplies waste heat and an anod...
https://drivepatents.com/patents/1089277 · 3 Mar 2004
A fuel cell (10) comprised of a solid electrolyte layer (18a) sandwiched by a cathode layer (18b) and an anode layer (18c) to which a mixed gas of a fuel gas and air mixed together is supplied, wherein the fuel cell (10) is formed into a spiral member (16)...
https://drivepatents.com/patents/1089911 · 4 Feb 2004
A solid-oxide fuel cell system having an integrated air supply system (900), including a central air pump (48), distribution manifold (908), air control valves (70,80,86,88), mass air flow sensors (54,68,78), and supply ducts, for controllably supplying ox...
https://drivepatents.com/patents/1090737 · 2 Jan 2004
In a solid-oxide fuel cell assembly, at least one positive displacement air supply (PDAS) pump supplies at least a portion of the air required for various functional air streams through the assembly. Mass air flow through each PDAS pump is readily controll...
https://drivepatents.com/patents/1091041 · 17 Dec 2003
Before a phosphoric acid fuel cell (10) generates electric energy, a cathode (26) is supplied with a hydrogen gas (fuel gas) and air (oxygen-containing gas) to cause a reaction between hydrogen and oxygen. At this time, the hydrogen and the oxygen are caus...
https://drivepatents.com/patents/1091717 · 26 Nov 2003
A method and apparatus are provided for distributing water produced by the electrochemical reaction to an ion-exchange membrane in an electrochemical fuel cell. The method comprises periodically reversing the flow direction of an oxidant stream through a f...
https://drivepatents.com/patents/1093762 · 27 Aug 2003
A fuel cell power plant comprises a fuel cell stack (1) for outputting a current in accordance with a chemical reaction amount between hydrogen in hydrogen-rich gas which is supplied to an anode (1A) and oxygen which is supplied to a cathode (1C). Sensors ...
https://drivepatents.com/patents/1094040 · 13 Aug 2003
The fuel cell device has a cathode region for accommodating a cathode side fluid and devices for producing a circuitous flow of the cathode side fluid within the fuel cell device. The fuel cell device has several chamber regions in the cathode region that ...
https://drivepatents.com/patents/1097323 · 26 Mar 2003
The invention relates to a fuel cell system comprising a fuel cell exhibiting an anode with a fuel feed line to feed fuel to the anode and an anode exhaust line for removing anode exhaust from the anode and a cathode with an oxygen feed line to feed oxygen...
https://drivepatents.com/patents/1098731 · 29 Jan 2003
In order to improve detecting accuracy in a gas leak detection for a fuel cell (1), in a gas leak detection method for a fuel cell having a solid polymer electrolyte membrane (51) sandwiched by an anode (52) and a cathode (53), an output voltage is measure...