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MODULATION OF ION TRANSPORT IN A LIQUID BY APPLICATION OF AN ELECTRIC POTENTIAL ON A MESOPOROUS CARBON MEMBRANE

United States Patent Application

20160250596
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A method for regulating ion transport between first and second regions of a liquid solution containing ionic species in at least one of said first and second regions, the method comprising applying a voltage on an electrically conductive mesoporous carbon membrane situated between said first and second regions of the liquid solution, wherein liquid flow between first and second regions is permitted only through said mesoporous carbon membrane, and the applied voltage is selected to modulate the degree of ion transport between said first and second regions, wherein an increase in applied voltage results in a reduction in the degree of ion transport between said first and second regions, optionally up to a critical voltage at which ion transport ceases.
Dai, Sheng (Knoxville, TN), Mahurin, Shannon Mark (Lenoir City, TN), Wang, Xiqing (Mason, OH), Surwade, Sumedh Pradeep (Greenville, DE), Vlassiouk, Ivan (Oak Ridge, TN)
14/ 633,412
February 27, 2015
[0001] This invention was made with government support under Prime Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.