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ARTIFICIAL PHOTOSYNTHESIS SYSTEMS AND METHODS FOR PRODUCING CARBON-BASED CHEMICAL COMPOUNDS

United States Patent Application

20160264920
A1
View the Complete Application at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
This disclosure provides systems, methods, and apparatus related to artificial photosynthesis. In one aspect a system includes a photoanode chamber including a photoanode assembly, a photocathode chamber including a photocathode assembly, an electrical connection electrically connecting the photoanode assembly and the photocathode assembly, a membrane separating the photoanode chamber and the photocathode chamber, and a microorganism disposed in the photocathode chamber. The photoanode assembly is operable to oxidize water to generate oxygen, protons, and electrons. The membrane is permeable to the protons and operable to allow the protons to travel to the photocathode chamber. The electrical connection provides electrons to the photocathode assembly. The microorganism comprises a metabolic pathway to reduce carbon dioxide and to generate a carbon-based compound using the electrons or hydrogen formed by two protons.
Yang, Peidong (Kensington, CA), Chang, Michelle C.Y. (Berkeley, CA), Chang, Christopher J. (Berkeley, CA), Liu, Chong (Cambridge, MA), Gallagher, Joseph J. (Berkeley, CA), Nichols, Eva M. (Berkeley, CA)
15/ 061,378
March 4, 2016
STATEMENT OF GOVERNMENT SUPPORT [0002] This invention was made with government support under Contract No. DE-ACO2-05CH11231 awarded by the U.S. Department of Energy. The government has certain rights in this invention.