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Electrocatalysts for carbon dioxide conversion

United States Patent

April 21, 2015
View the Complete Patent at the US Patent & Trademark Office
Electrocatalysts for carbon dioxide conversion include at least one catalytically active element with a particle size above 0.6 nm. The electrocatalysts can also include a Helper Catalyst. The catalysts can be used to increase the rate, modify the selectivity or lower the overpotential of electrochemical conversion of CO.sub.2. Chemical processes and devices using the catalysts also include processes to produce CO, HCO.sup.-, H.sub.2CO, (HCO.sub.2).sup.-, H.sub.2CO.sub.2, CH.sub.3OH, CH.sub.4, C.sub.2H.sub.4, CH.sub.3CH.sub.2OH, CH.sub.3COO.sup.-, CH.sub.3COOH, C.sub.2H.sub.6, (COOH).sub.2, or (COO.sup.-).sub.2, and a specific device, namely, a CO.sub.2 sensor.
Masel; Richard I. (Champaign, IL), Salehi-Khojin; Amin (Champaign, IL)
Dioxide Materials, Inc. (Champaign, IL)
13/ 445,887
April 12, 2012
STATEMENT OF GOVERNMENT INTEREST This invention was made, at least in part, with U.S. government support under U.S. Department of Energy Grant DE-SC0004453. The government has certain rights in the invention.