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Catalysts for use in electrochemical applications and electrodes and devices using same

United States Patent

9,136,542
September 15, 2015
View the Complete Patent at the US Patent & Trademark Office
An electrode for reduction of an oxidant including a phosphorus-doped carbon-containing catalyst represented by the chemical formula CN.sub.xP.sub.y, where x is from 0 to about 10 wt. % and y is from about 1 ppm to about 10 wt. %. A device for producing electricity by facilitating an electrochemical reaction between a fuel and an oxidant. The device including a first electrode for oxidizing the fuel to produce protons and electrons. The device further includes a second electrode in electrical communication with the first electrode when electrically connected to the external circuit. The second electrode includes a phosphorus-doped carbon-containing catalyst for reducing the oxidant and is represented by the chemical formula CN.sub.xP.sub.y, where x is from 0 to about 10 wt. % and y is from about 1 ppm to about 10 wt. %. The device further includes an electrolyte, such as, a membrane, separating the first electrode from the second electrode.
Ozkan; Umit S. (Worthington, OH), von Deak; Dieter (Edison, NJ), Biddinger; Elizabeth (Smyrna, GA)
The Ohio State University (Columbus, OH)
13/ 474,341
20120295137
May 17, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT Embodiments of the invention disclosed in this application may have been developed with the use of research grant/contract funds under Basic Energy Sciences Contract No. GE-FG02-07ER15896, sponsored by the U.S. Department of Energy.