CO2 UTILIZATION IN ELECTROCHEMICAL SYSTEMS
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United States of America Patent
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Issued Date -
Mar 26, 2015
app pub date -
Nov 6, 2014
filing date -
Jul 16, 2008
priority date (Note) -
Abandoned
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Abstract
A low-voltage, low-energy electrochemical system and method of removing protons and/or producing a base solution comprising hydroxide and carbonate/bicarbonate ions, utilizing carbon dioxide in a cathode compartment that is partitioned into a first cathode electrolyte compartment and a second cathode electrolyte compartment such that liquid flow between the cathode electrolyte compartments is possible, but wherein gaseous communication to between the cathode electrolyte compartments is restricted. Carbon dioxide gas in one cathode electrolyte compartment is utilized with the cathode electrolyte in both compartments to produce the base solution with less that 3V applied across the electrodes.
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