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TUNED HYDROPHOBICITY

United States Patent Application

*** PATENT GRANTED ***
20110305959
8,808,929
A1
View the Complete Application at the US Patent & Trademark Office
An electrochemical cell comprising an electrolyte comprising water and a hydrophobic ionic liquid comprising positive ions and negative ions. The electrochemical cell also includes an air electrode configured to absorb and reduce oxygen. A hydrophilic or hygroscopic additive modulates the hydrophobicity of the ionic liquid to maintain a concentration of the water in the electrolyte is between 0.001 mol % and 25 mol %.
FRIESEN, Cody A. (Fort McDowell, AZ), Krishnan, Ramkumar (Gilbert, AZ), Tang, Toni (Gilbert, AZ), Wolfe, Derek (Scottsdale, AZ)
Fluidic, Inc. (Scottsdale AZ)
13/ 085,714
April 13, 2011
[0002] This invention was made with U.S. government support under Contract No. DB-AR-00000038 awarded by the Department of Energy. The government has certain rights in the invention.