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Partial oxidation of methane (POM) assisted solid oxide co-electrolysis

United States Patent

9,574,274
February 21, 2017
View the Complete Patent at the US Patent & Trademark Office
Methods for simultaneous syngas generation by opposite sides of a solid oxide co-electrolysis cell are provided. The method can comprise exposing a cathode side of the solid oxide co-electrolysis cell to a cathode-side feed stream; supplying electricity to the solid oxide co-electrolysis cell such that the cathode side produces a product stream comprising hydrogen gas and carbon monoxide gas while supplying oxygen ions to an anode side of the solid oxide co-electrolysis cell; and exposing the anode side of the solid oxide co-electrolysis cell to an anode-side feed stream. The cathode-side feed stream comprises water and carbon dioxide, and the anode-side feed stream comprises methane gas such that the methane gas reacts with the oxygen ions to produce hydrogen and carbon monoxide. The cathode-side feed stream can further comprise nitrogen, hydrogen, or a mixture thereof.
Chen; Fanglin (Irmo, SC), Wang; Yao (Columbia, SC)
University of South Carolina (Columbia, SC)
14/ 690,687
April 20, 2015
GOVERNMENT SUPPORT CLAUSE This invention was made with government support under DE-SC0001061 awarded by US Department of Energy. The government has certain rights in the invention.