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Metal-air flow batteries using oxygen enriched electrolyte

United States Patent

August 1, 2017
View the Complete Patent at the US Patent & Trademark Office
A metal air flow battery includes an electrochemical reaction unit and an oxygen exchange unit. The electrochemical reaction unit includes an anode electrode, a cathode electrode, and an ionic conductive membrane between the anode and the cathode, an anode electrolyte, and a cathode electrolyte. The oxygen exchange unit contacts the cathode electrolyte with oxygen separate from the electrochemical reaction unit. At least one pump is provided for pumping cathode electrolyte between the electrochemical reaction unit and the oxygen exchange unit. A method for producing an electrical current is also disclosed.
Zheng; Jian-ping (Tallahassee, FL), Andrei; Petru (Tallahassee, FL), Shellikeri; Annadanesh (Tallahassee, FL), Chen; Xujie (Tallahassee, FL)
Florida State University Research Foundation (Tallahassee, FL)
14/ 398,681
April 30, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with government support under contract No. CERDEC/GTS-S-11-396 awarded by the U.S. Army and US Department of Energy ARPA-E program to response proposal solicitation #: DE-FOA-0000670. The Government has certain rights in this invention.