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REACTIVATION OF FLOW BATTERY ELECTRODE BY EXPOSURE TO OXIDIZING SOLUTION

United States Patent Application

20160013505
A1
View the Complete Application at the US Patent & Trademark Office
A flow battery includes at least a cell that has a first electrode, a second electrode and an electrolyte separator layer arranged between the electrodes. A supply/storage system is external of the cell and includes a first vessel fluidly connected in a first loop with the first electrode and a second vessel fluidly connected in a second loop with the second electrode. The first loop and the second loop are isolated from each other. The supply/storage system is configured to fluidly connect the first loop and the second loop to move a second liquid electrolyte from the second vessel into a first liquid electrolyte in the first vessel responsive to a half-cell potential at the first electrode being less than a defined threshold half-cell potential.
Darling, Robert Mason (South Windsor, CT), Zaffou, Rachid (West Hartford, CT), Perry, Michael L. (Glastonbury, CT), Walker, Craig R. (South Glastonbury, CT)
14/ 770,969
March 15, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0001] This invention was made with government support under contract DE-AR0000149 awarded by the United States Department of Energy. The government has certain rights in the invention.