Class / Patent application number | Description | Number of patent applications / Date published |
205555000 | Carbon containing compound produced | 40 |
20080245672 | ELECTROCHEMICAL METHODS TO GENERATE HYDROGEN AND SEQUESTER CARBON DIOXIDE - A carbon dioxide negative method of manufacturing renewable hydrogen and trapping carbon dioxide from the air or gas streams is described. Direct current renewable electricity is provided to a water electrolysis apparatus with sufficient voltage to generate hydrogen and hydroxide ions at the cathode, and protons and oxygen at the anode. These products are separated and sequestered and the base is used to trap carbon dioxide from the air or gas streams as bicarbonate or carbonate salts. These carbonate salts, hydrogen, and trapped carbon dioxide in turn can be combined in a variety of chemical and electrochemical processes to create valuable carbon-based materials made from atmospheric carbon dioxide. The net effect of all processes is the generation of renewable hydrogen from water and a reduction of carbon dioxide in the atmosphere or in gas destined to enter the atmosphere. | 10-09-2008 |
20080283413 | Method for manufacturing oxygen reduction electrode, oxygen reduction electrode and electrochemical element using same - It is an object of the present invention to provide an oxygen reduction electrode which provides four-electron reduction reaction with high selectivity in the reaction of reducing oxygen. The present invention involves a method of manufacturing an electrode for reducing oxygen used for four-electron reduction of oxygen, having (1) a first step wherein a charcoal-based material is obtained by carbonization of a starting material comprising a nitrogen-containing synthetic polymer, and (2) a second step wherein the electrode for reducing oxygen is manufactured using an electrode material comprising the charcoal-based material. | 11-20-2008 |
20090026086 | Electrochemical method of producing nano-scaled graphene platelets - A method of producing nano-scaled graphene platelets with an average thickness smaller than 30 nm from a layered graphite material. The method comprises (a) forming a carboxylic acid-intercalated graphite compound by an electrochemical reaction which uses a carboxylic acid as both an electrolyte and an intercalate source, the layered graphite material as an anode material, and a metal or graphite as a cathode material, and wherein a current is imposed upon the cathode and the anode at a current density for a duration of time sufficient for effecting the electrochemical reaction; (b) exposing the intercalated graphite compound to a thermal shock to produce exfoliated graphite; and (c) subjecting the exfoliated graphite to a mechanical shearing treatment to produce the nano-scaled graphene platelets. Preferred carboxylic acids are formic acid and acetic acid. The exfoliation step in the instant invention does not involve the evolution of undesirable species, such as NO | 01-29-2009 |
20090090640 | Process for producing carbon anode compositions for lithium ion batteries - This invention provides a process for producing a lithium secondary battery. The process comprises: (a) providing a positive electrode; (b) providing a negative electrode comprising a carbonaceous material capable of absorbing and desorbing lithium ions, wherein the carbonaceous material is obtained by chemically or electrochemically treating a laminar graphite material to form a graphite crystal structure having an interplanar spacing d | 04-09-2009 |
20090159456 | Separating Gas Using Ion Exchange - Carbon dioxide can be separated from gas streams using ion exchange, such as in an electrochemical cell. An anion exchange membrane can be configured to increase the efficiency of the system and to permit the flow of the carbon-containing ions within the system while reducing diffusion of protons and/or hydroxyl ions. A gas stream containing carbon dioxide can be introduced to the system on the cathode side, while a source of hydrogen-containing molecules can be introduced on the anode side. Operation of the system can separate the carbon dioxide from the gas stream and provide it at a separate outlet. | 06-25-2009 |
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 |
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 |
20110186441 | ELECTROLYTIC RECOVERY OF RETAINED CARBON DIOXIDE - Methods and apparatus relate to capturing carbon dioxide. A solution formed from metal ions combined with an amine reagent absorbs carbon dioxide from gas introduced into the solution. Subsequent electrolysis of the solution results in dissociation of complexes formed upon the carbon dioxide being absorbed. The electrolysis thus liberates the carbon dioxide for capture and regenerates the solution for reuse. | 08-04-2011 |
20110203939 | CARBON DIOXIDE SEQUESTRATION THROUGH FORMATION OF GROUP-2 CARBONATES AND SILICON DIOXIDE - The present invention relates to carbon dioxide sequestration, including processes in which group-2 silicates are used to remove carbon dioxide from waste streams to form corresponding group-2 carbonates and silica. | 08-25-2011 |
20110253551 | ELECTROCHEMICAL CARBON MONOXIDE PRODUCTION - A method and apparatus for producing a carbon monoxide containing product in which cathode and anode sides of an electrically driven oxygen separation device are contacted with carbon dioxide and a reducing agent, respectively. The carbon dioxide is reduced to carbon monoxide through ionization of oxygen and the reducing agent lowers the partial pressure of oxygen at the anode side to partially drive oxygen ion transport within the device through the consumption of the oxygen and to supply heat. The lowering of oxygen partial pressure reduces voltage and therefore, electrical power required to be applied to the device and the heat is supplied to heat the device to an operational temperature and to the reduction of the carbon dioxide occurring at the cathode side. The device can be used as part of an integrated apparatus in which the carbon dioxide is supplied from a waste stream of a process plant. | 10-20-2011 |
20110290661 | SYSTEM AND METHOD FOR CONVERTING AMBIENT CARBON DIOXIDE TO PARTICULATE CARBON AND OXYGEN - A system and method is described to convert ambient carbon dioxide (CO | 12-01-2011 |
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 |
20120018311 | CARBON DIOXIDE REDUCTION METHOD, AND CARBON DIOXIDE REDUCTION CATALYST AND CARBON DIOXIDE REDUCTION DEVICE USED FOR THE METHOD - The carbon dioxide reduction method of the present invention is a method including steps of: bringing an electrode (working electrode) containing a carbide of at least one element selected from Group V elements (vanadium, niobium, and tantalum) into contact with an electrolytic solution; and introducing carbon dioxide into the electrolytic solution to reduce the introduced carbon dioxide by the electrode. The material contained in the electrode, that is, the material containing a carbide of at least one element selected from Group V elements (vanadium, niobium, and tantalum) is the carbon dioxide reduction catalyst of the present invention. | 01-26-2012 |
20120043219 | ELECTROCHEMICAL PROCESS FOR THE PRODUCTION OF SYNTHESIS GAS USING ATMOSPHERIC AIR AND WATER - A process is provided for synthesizing synthesis gas from carbon dioxide obtained from atmospheric air or other available carbon dioxide source and water using a sodium-conducting electrochemical cell. Synthesis gas is also produced by the coelectrolysis of carbon dioxide and steam in a solid oxide fuel cell or solid oxide electrolytic cell. The synthesis gas produced may then be further processed and eventually converted into a liquid fuel suitable for transportation or other applications. | 02-23-2012 |
20120055804 | MANUFACTURING CARBON-BASED COMBUSTIBLES BY ELECTROCHEMICAL DECOMPOSITION OF CO2 - Provided is a method for the electrochemical conversion of carbon dioxide to fuels. The method employs reducing CO | 03-08-2012 |
20120175269 | ADVANCED AROMATIC AMINE HETEROCYCLIC CATALYSTS FOR CARBON DIOXIDE REDUCTION - Methods and systems for electrochemical reduction of carbon dioxide using advanced aromatic amine heterocyclic catalysts are disclosed. A method for electrochemical reduction of carbon dioxide may include, but is not limited to, steps (A) to (C). Step (A) may introduce water to a first compartment of an electrochemical cell. Said first compartment may include an anode. Step (B) may introduce carbon dioxide to a second compartment of said electrochemical cell. Said second compartment may include a solution of an electrolyte, a catalyst, and a cathode. Said catalyst may include at least two aromatic amine heterocycles that are at least one of (a) fused or (b) configured to become electronically conjugated upon one electron reduction. Step (C) may apply an electrical potential between said anode and said cathode in said electrochemical cell sufficient for said cathode to reduce said carbon dioxide to a product mixture. | 07-12-2012 |
20120228150 | CO2 DECOMPOSITION VIA OXYGEN DEFICIENT FERRITE ELECTRODES USING SOLID OXIDE ELECTROLYSER CELL - Oxygen Deficient Ferrites (ODF) electrodes integrated with Yttria Stabilized Zirconia (YSZ) electrolyte, electrochemically decompose carbon dioxide (CO | 09-13-2012 |
20130075273 | On Demand Carbon Monoxide Generator For Therapeutic and Other Applications - A device that can produce carbon monoxide for therapeutic and laboratory applications is disclosed. The device includes and electrochemical cell that converts carbon dioxide or a carbon dioxide containing molecule such as a carbonate or bicarbonate or bicarbonate into carbon monoxide and oxygen. The cell contains additives so pure carbon monoxide is obtained. | 03-28-2013 |
20130292262 | Purification of Carbon Dioxide from a Mixture of Gases - A method for purification of carbon dioxide from a mixture of gases is disclosed. The method generally includes steps (A) and (B). Step (A) may bubble the gases into a solution of an electrolyte and a catalyst in an electrochemical cell. The electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into one or more compounds. The anode may oxidize at least one of the compounds into the carbon dioxide. Step (B) may separate the carbon dioxide from the solution. | 11-07-2013 |
20140048422 | DEVICE FOR CREATING GAS INFLATING AN AIRBAG - A personal protection arrangement in a vehicle includes a gas generator for fluid communication with a reservoir and a control unit. The control unit is arranged to activate the gas generator upon fulfillment of at least one predetermined criterion such that gas is released by the gas generator into the reservoir and the pressure in the reservoir is increased. The gas generator comprises at least one electrochemical cell which is arranged to generate gas when the electrical status of the electrochemical cell is changed from a first state to a second state by a state-changing action. | 02-20-2014 |
20140061059 | PRODUCTION OF GRAPHENE - A method of producing graphene by the electrochemical insertion of alkylammonium cations in a solvent into graphite is disclosed. | 03-06-2014 |
20140202874 | ELECTROLYTIC GENERATION OF GRAPHITE - The embodiments herein relate to methods and apparatus for forming graphitic material from a carbon oxide feedstock in an electroplating chamber containing molten inorganic carbonate as electrolyte. Carbon dioxide flows into a reaction chamber containing one or more cathodes, one or more anodes, and a molten carbonate electrolyte. The carbon dioxide and/or carbonate reduces at the cathode to form graphitic material, which may be removed from the surface of the cathode through various mechanisms. The graphitic material is then separated out from the electrolyte. | 07-24-2014 |
20140216944 | GRAPHITE OXIDE AND/OR GRAPHENE PREPARATION METHOD - A graphite oxide or graphene preparation method includes providing a plasma electrolytic apparatus, where an electrolytic solution is provided and a graphite electrode is configured as a cathode of the plasma electrolytic apparatus; and providing a cathodic current so as to initiate a plasma electrolytic process at the graphite cathode to obtain graphite oxide or graphene. The graphite oxide can be synthesized through plasma electrolytic processing at relatively low temperature under atmospheric pressure within a very short period of time, without the need for concentrated acids or strong oxidizing agents. The present invention may prepare graphite oxide with plasma electrolytic process directly from graphite, without requiring any prior purification. This plasma electrolytic process of the present invention is quite promising and provided with advantages such as low cost, simple setup, high efficiency, and environmental friendliness. | 08-07-2014 |
20140238871 | Electrochemical Production of Synthesis Gas from Carbon Dioxide - A method for electrochemical production of synthesis gas from carbon dioxide is disclosed. The method generally includes steps (A) to (C). Step (A) may bubble the carbon dioxide into a solution of an electrolyte and a catalyst in a divided electrochemical cell. The divided electrochemical cell may include an anode in a first cell compartment and a cathode in a second cell compartment. The cathode generally reduces the carbon dioxide into a plurality of components. Step (B) may establish a molar ratio of the components in the synthesis gas by adjusting at least one of (i) a cathode material and (ii) a surface morphology of the cathode. Step (C) may separate the synthesis gas from the solution. | 08-28-2014 |
20140291163 | CATALYSTS FOR LOW TEMPERATURE ELECTROLYTIC CO2 REDUCTION - A method for electrochemically reducing CO | 10-02-2014 |
20140332401 | 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 unit is operably connected to a carbon sequestration 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. | 11-13-2014 |
20140339098 | PROCESS AND CATALYST FOR THE ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE - A process for the catalyzed electrochemical reduction of carbon dioxide wherein a metal organic framework comprising metal ions and an organic ligand is used as a catalyst and novel metal organic frameworks based on bisphosphonic acids. | 11-20-2014 |
20150027900 | PRODUCTION OF GRAPHENE - A method for the production of graphene and graphite nanoplatelet structures having a thickness of less than 100 nm in an electrochemical cell, wherein the cell comprises: (a) a negative electrode which is graphitic; (b) a positive electrode which may be graphitic or another material; and (c) an electrolyte which is ions in a solvent where the cations are organic ions and metal ions; and wherein the method comprises the step of passing a current through the cell. | 01-29-2015 |
20150047989 | COMBINED CO2 CAPTURE AND CONVERSION METHOD AND SYSTEM - Systems and methods are described that utilize mixed conductive membranes in conjunction with solid oxide electrolysis in a single unit operation. The mixed conductive membranes of the systems are high-flux electrochemical separation membranes that can selectively and efficiently capture CO | 02-19-2015 |
20150060297 | GRAPHITE OXIDE AND GRAPHENE PREPARATION METHOD - A graphite oxide and/or graphene preparation method includes providing a plasma electrolytic apparatus, wherein an electrolyte is provided and a graphite electrode is configured as a cathode of the plasma electrolytic apparatus; and providing a cathodic current so as to initiate a plasma electrolytic process at the graphite electrode to obtain graphite oxide and/or graphene. The graphite oxide and/or graphene can be synthesized through plasma electrolytic processing at relatively low temperature under atmospheric pressure within a very short period of time, without the need for concentrated acids or strong oxidizing agents. The present invention may prepare graphite oxide and/or graphene with plasma electrolytic process directly from graphite, without requiring any prior purification or pretreatment. This plasma electrolytic process of the present invention is quite promising and provided with advantages such as low cost, simple setup, high efficiency, and environmental friendliness. | 03-05-2015 |
20150096899 | IRON-BASED CATALYST FOR SELECTIVE ELECTROCHEMICAL REDUCTION OF CO2 INTO CO - The present invention relates to catalysts for the production of CO gas through electrochemical CO | 04-09-2015 |
20150136613 | CATALYSTS FOR LOW TEMPERATURE ELECTROLYTIC CO REDUCTION - A method for electrochemically reducing CO is provided. A cathode is provided, wherein the cathode comprises a conductive substrate with a catalyst of a metal and a metal oxide based coating on a side of the cathode. An anode is spaced apart from the cathode. An ionic transport is provided between the anode and cathode. The cathode is exposed to CO and H | 05-21-2015 |
20150299871 | PARTIAL OXIDATION OF METHANE (POM) ASSISTED SOLID OXIDE CO-ELECTROLYSIS - Methods for simultaneous syngas generation by opposite sides of a solid oxide co-electrolysis cell are provided. The method can comprise exposing a cathode side of the solid oxide co-electrolysis cell to a cathode-side feed stream; supplying electricity to the solid oxide co-electrolysis cell such that the cathode side produces a product stream comprising hydrogen gas and carbon monoxide gas while supplying oxygen ions to an anode side of the solid oxide co-electrolysis cell; and exposing the anode side of the solid oxide co-electrolysis cell to an anode-side feed stream. The cathode-side feed stream comprises water and carbon dioxide, and the anode-side feed stream comprises methane gas such that the methane gas reacts with the oxygen ions to produce hydrogen and carbon monoxide. The cathode-side feed stream can further comprise nitrogen, hydrogen, or a mixture thereof. | 10-22-2015 |
20160017502 | Electrochemical Process for Producing Graphene, Graphene Oxide, Metal Composites, and Coated Substrates - A process and system for the electrochemical production of graphene, graphene oxide, graphene quantum dots, graphene/graphene oxide metal composites, graphene/graphene oxide coated substrates and graphene/graphene oxide metal composite coated substrates in a single step process involving no secondary purifications utilizes an electrochemical cell containing electrodes with variable gaps including a zero gap, containing an anode electrode including graphite, a cathode electrode including electrically conductive material with an electrolyte-free electrochemical bath including water and an organic liquid that produces joule heating along with oxygen embrittlement. | 01-21-2016 |
20160060768 | POST LAUNCH INERT GAS PRODUCTION AND UTILIZATION SYSTEM AND METHOD - A gas production and utilization system includes an ionic liquid having an electrochemical window and engineered to produce a specific gas. A power supply is configured to apply a voltage potential across electrodes disposed in the ionic liquid at a level higher than the electrochemical window of the ionic liquid to decompose the ionic liquid. The resultant gas is delivered to a pressure vessel and may be utilized in a variety of different ways. | 03-03-2016 |
20160097136 | NanoTin Catalysts for Electrochemical Reduction of Carbon Dioxide to Formate - High surface area tin oxide nanoparticles prepared by a facile hydrothermal method followed by electroreduction to tin act as electrocatalysts toward CO | 04-07-2016 |
20160115605 | SYSTEM AND METHOD FOR SELECTIVE ELECTROCHEMICAL REDUCTION OF CARBON DIOXIDE EMPLOYING AN ANODIZED SILVER ELECTRODE - Systems and methods for the electrochemical reduction of carbon dioxide are disclosed. The systems involve an electrochemical cell having a cathode of anodized silver and the methods involve introducing carbon dioxide into such a system and applying a potential. The disclosed systems and methods have improved carbon monoxide production selectivity, support higher current density, and have improved efficiency in comparison to existing silver-based CO | 04-28-2016 |
20160145752 | Catalysts for Carbon Dioxide Conversion - The disclosure relates generally to improved methods for the reduction of carbon dioxide. The disclosure relates more specifically to catalytic methods for electrochemical reduction of carbon dioxide that can be operated at commercially viable voltages and at low overpotentials. The disclosure uses a transition metal dichalcogenide and helper catalyst in contact within the cell. | 05-26-2016 |
20160186341 | APPARATUS AND METHOD FOR PRODUCING A GRAPHENE MATERIAL - An apparatus for producing a graphene material includes a tank, a container, an agitating module, a second electrode disposed in the tank, and a power supply module. The container is used for receiving a graphite material, and is formed with a plurality of through holes for the electrolyte solution to pass therethrough. The agitating module includes a control unit and an agitating unit used as a first electrode, and inserted into the container for agitating the electrolyte solution and the graphite material. The power supply module is electrically connected to the agitating unit and the second electrode for supplying electric power to generate an electrical potential difference. | 06-30-2016 |
20180023204 | SELECTIVE PORPHYRIN-CATALYZED ELECTROCHEMICAL REDUCTION OF CO2 INTO CO IN WATER | 01-25-2018 |