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Reducing carbon dioxide to products

United States Patent

September 30, 2014
View the Complete Patent at the US Patent & Trademark Office
A method reducing carbon dioxide to one or more products may include steps (A) to (C). Step (A) may bubble said carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode may reduce said carbon dioxide into said products. Step (B) may adjust one or more of (a) a cathode material, (b) a surface morphology of said cathode, (c) said electrolyte, (d) a manner in which said carbon dioxide is bubbled, (e), a pH level of said solution, and (f) an electrical potential of said divided electrochemical cell, to vary at least one of (i) which of said products is produced and (ii) a faradaic yield of said products. Step (C) may separate said products from said solution.
Cole; Emily Barton (Houston, TX), Sivasankar; Narayanappa (Plainsboro, NJ), Parajuli; Rishi (Kendell Park, NJ), Keets; Kate A. (Lawrenceville, NJ)
Liquid Light, Inc. (Monmouth Junction, NJ)
13/ 787,304
March 6, 2013
GOVERNMENT INTERESTS This invention was made with government support under Grant DE-SC0006201 awarded by the Department of Energy. The government has certain rights in the invention.