Biofuel and electricity producing fuel cells and systems and methods related to same
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United States of America Patent
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Jul 25, 2017
Grant Date -
May 23, 2013
app pub date -
Mar 17, 2011
filing date -
Mar 17, 2010
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Abstract
A fuel cell comprising an anode electrode, a cathode electrode and a reference electrode electronically connected to each other; a first biocatalyst comprising a consolidated bioprocessing organism (e.g., a cellulomonad or clostridium or related strains, such as Cellulomonas uda (C. uda), C. lentocellum, A. cellolulyticus, C. cellobioparum, alcohol-tolerant C. cellobioparum, alcohol-tolerant C. uda, Clostridium cellobioparum (C. cellobioparum) and combinations thereof) capable of fermenting biomass (e.g., cellulosic biomass or glycerin-containing biomass) to produce a fermentation byproduct; and a second biocatalyst comprising an electricigen (e.g., Geobacter sulfurreducens) capable of transferring substantially all the electrons in the fermentation byproduct (e.g., hydrogen, one or more organic acids, or a combination thereof) to the anode electrode to produce electricity is disclosed. Systems and methods related thereto are also disclosing a consolidated bioprocessing organism.
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