Electro-Fermentation

Current pathways to generate biofuels either ferment sugars derived from biomass or convert them to a partially-oxygenated intermediate to be reduced to higher density fuels. The energy density and yield of a biofuel product is limited by the oxygen content of the feedstock, the metabolic capability of the organism and the stoichiometric yield of the sugar to biofuel conversion reaction. Conversion of biomass to biofuels is limited by yield of biofuel. This invention allows improvement of biofuel yield by 350% (based on stoichiometry) using renewable electricity to increase the energy yield. Practical improvement in yield based on energetics, titer and rate can be expected to be between 100-300%.

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