Patent application number | Description | Published |
20100084280 | ELECTROCHEMICAL PRODUCTION OF AN ALKALINE SOLUTION USING CO2 - An electrochemical system comprising a cathode electrolyte comprising added carbon dioxide and contacting a cathode; and a first cation exchange membrane separating the cathode electrolyte from an anode electrolyte contacting an anode; and an electrochemical method comprising adding carbon dioxide into a cathode electrolyte separated from an anode electrolyte by a first cation exchange membrane; and producing an alkaline solution in the cathode electrolyte and an acid. | 04-08-2010 |
20100140103 | Gas Diffusion Anode and CO2 Cathode Electrolyte System - A low-voltage, low-energy electrochemical system and method of removing protons and/or producing a base solution using a gas diffusion anode and a cathode electrolyte comprising dissolved carbon dioxide, while applying 2V or less across the anode and cathode. | 06-10-2010 |
20100200419 | LOW-VOLTAGE ALKALINE PRODUCTION FROM BRINES - An alkaline production system comprising an electrochemistry unit comprising a hydrogen-oxidizing anode in communication with a cathode electrolyte; wherein the electrochemistry unit is operably connected to a carbon sequestration system configured to sequester carbon dioxide with the cathode electrolyte. In another embodiment, an electrochemistry unit comprising a hydrogen-oxidizing anode in communication with a cathode electrolyte; and a carbon sequestration system configured to sequester carbon dioxide with the cathode electrolyte; and methods thereof. | 08-12-2010 |
20100230293 | CO2 UTILIZATION IN ELECTROCHEMICAL SYSTEMS - 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 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. | 09-16-2010 |
20110042230 | LOW-ENERGY ELECTROCHEMICAL BICARBONATE ION SOLUTION - A low-energy electrochemical method and system of forming bicarbonate ion solutions in an electrochemical cell utilizing carbon dioxide in contact with an electrolyte contained between two ion exchange membranes in an electrochemical cell. On applying a low voltage across an anode and cathode in electrical contact with the ion exchange membranes, bicarbonate ions form in the electrolyte without forming a gas, e.g., chlorine or oxygen at the electrodes. | 02-24-2011 |
20110079515 | ALKALINE PRODUCTION USING A GAS DIFFUSION ANODE WITH A HYDROSTATIC PRESSURE - An electrochemical system comprising a first cation exchange membrane in contact with a gas diffusion anode and configured to separate the gas diffusion anode from an anode electrolyte; a cathode in contact with a cathode electrolyte; and a second cation ion exchange membrane configured to separate the cathode electrolyte from the anode electrolyte. In the system, an external pressure system is configured to apply a pressure against the first cation exchange membrane through the anode electrolyte, and an alkaline solution is produced in the cathode electrolyte by applying a voltage across the anode and cathode; in some embodiments, carbon dioxide is requested by reaction with the cathode electrolyte. | 04-07-2011 |
20110083968 | LOW-VOLTAGE ALKALINE PRODUCTION USING HYDROGEN AND ELECTROCATALYTIC ELECTRODES - An alkaline production system comprising an electrochemical unit comprising a hydrogen-oxidizing anode, a cathode compartment comprising a cathode and a hydrogen delivery system configured to deliver hydrogen gas to the anode, wherein the system configured to sequester carbon dioxide with the cathode electrolyte; and methods thereof. In another embodiment, a system comprising a hydrogen-oxidizing anode in communication with a cathode electrolyte comprising bicarbonate ion; and an hydrogen delivery system configured to deliver hydrogen gas to the anode; and methods thereof. | 04-14-2011 |
20110303551 | ELECTROCHEMICAL PRODUCTION OF AN ALKALINE SOLUTION USING CO2 - An electrochemical system comprising a cathode electrolyte comprising added carbon dioxide and contacting a cathode; and a first cation exchange membrane separating the cathode electrolyte from an anode electrolyte contacting an anode; and an electrochemical method comprising adding carbon dioxide into a cathode electrolyte separated from an anode electrolyte by a first cation exchange membrane; and producing an alkaline solution in the cathode electrolyte and an acid. | 12-15-2011 |
20110308964 | GAS DIFFUSION ANODE AND CO2 CATHODE ELECTROLYTE SYSTEM - A low-voltage, low-energy electrochemical system and method of removing protons and/or producing a base solution using a gas diffusion anode and a cathode electrolyte comprising dissolved carbon dioxide, while applying 2V or less across the anode and cathode. | 12-22-2011 |
20120292196 | Electrochemical Hydroxide Systems and Methods Using Metal Oxidation - There are provided methods and systems for an electrochemical cell including an anode and a cathode where the anode is contacted with a metal ion that converts the metal ion from a lower oxidation state to a higher oxidation state. The metal ion in the higher oxidation state is reacted with hydrogen gas, an unsaturated hydrocarbon, and/or a saturated hydrocarbon to form products. | 11-22-2012 |
20120292197 | ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION - There are provided methods and systems for an electrochemical cell including an anode and a cathode where the anode is contacted with a metal ion that converts the metal ion from a lower oxidation state to a higher oxidation state. The metal ion in the higher oxidation state is reacted with hydrogen gas, an unsaturated hydrocarbon, and/or a saturated hydrocarbon to form products. | 11-22-2012 |
20120312697 | CO2 UTILIZATION IN ELECTROCHEMICAL SYSTEMS - 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 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. | 12-13-2012 |
20130034489 | ELECTROCHEMICAL HYDROXIDE SYSTEM AND METHOD USING FINE MESH CATHODE - Provided herein are methods and systems including contacting an anode electrolyte with an anode; contacting a cathode electrolyte with a cathode where cathode is a fine mesh cathode; and applying voltage across the anode and the cathode. The methods and systems further may include treating hydroxide ions produced at the cathode with carbon from a source of carbon. | 02-07-2013 |
20130206606 | ELECTROCHEMICAL HYDROXIDE SYSTEMS AND METHODS USING METAL OXIDATION - There are provided methods and systems for an electrochemical cell including an anode and a cathode where the anode is contacted with a metal ion that converts the metal ion from a lower oxidation state to a higher oxidation state. The metal ion in the higher oxidation state is reacted with hydrogen gas, an unsaturated hydrocarbon, and/or a saturated hydrocarbon to form products. | 08-15-2013 |