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PHASED CHARGING AND DISCHARGING IN CAPACITIVE DESALINATION

United States Patent Application

*** PATENT GRANTED ***
20170144902
9,758,392
A1
View the Complete Application at the US Patent & Trademark Office
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A system combines complete, ultra-thin cells into a monolithic and robust framework necessary for desalination applications which yields orders of magnitude faster desalination. The electrode pairs are located so that a flow of feed water flows through or around the electrode pairs with the flow perpendicular to sequentially applied electric potentials. The system is controlled to charge the series of electrode pairs sequentially or phased. That means the charging of the second electrode pair is delayed with regard to the charging of the first electrode pair and the charging of a third electrode pair is delayed with respect to the charging of the second electrode pair.
Stadermann, Michael (Pleasanton, CA), Qu, Yatian (Stanford, CA), Santiago, Juan G. (Stanford, CA), Hemmatifar, Ali (Stanford, CA)
14/ 951,180
November 24, 2015
STATEMENT AS TO RIGHTS TO APPLICATIONS MADE UNDER FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0001] The United States Government has rights in this application pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory.