Goods & Services

Industrial chemicals; hydrogen gas; oxygen gas. Electronic equipment, namely, eletrolyzers containing electrochemical cells for producing hydrogen gas; electronic equipment in the nature of components of anode chamber and cathode chamber of the electrochemical cells for producing hydrogen gas, namely, anode shell, cathode shell, intermediate frame between the anode shell and the cathode shell, elastic member in the cathode chamber, and spacers; electronic equipment, namely, membranes used in electrochemical cells for the production of hydrogen gas; anodes used in the production of hydrogen gas; cathodes used in the production of hydrogen gas; computerized controller containing hardware and software for analyzing, monitoring, managing, and controlling industrial manufacturing of hydrogen gas. Consulting relating to the construction of plants containing electrolyzers for producing hydrogen gas. Consulting relating to industrial production of hydrogen gas using electrolyzers. Licensing of designs and technologies relating to production of hydrogen gas.

Abstract

A method of operating an electrolyzer including an electrochemical cell includes detecting and/or causing a change in an electrical output of an electrolyzer power source electrically connected to an anode and a cathode of the electrochemical cell. The method includes, responsive to the detected and/or caused change in the output, feedforward controlling the electrolyzer to maintain a pressure of the cathode electrolyte output stream gas collector and/or the anode electrolyte output stream gas collector within a predetermined respective pressure range.

IPC Classes  ?

• C25B 15/02 - Process control or regulation
• C25B 15/023 - Measuring, analysing or testing during electrolytic production
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water

Abstract

A method of operating an electrolyzer including an electrochemical cell includes detecting and/or causing a change in an electrical output of an electrolyzer power source electrically connected to an anode and a cathode of the electrochemical cell. The method includes, responsive to the detected and/or caused change in the output, feedforward controlling the electrolyzer to maintain a pressure of the cathode electrolyte output stream gas collector and/or the anode electrolyte output stream gas collector within a predetermined respective pressure range.

IPC Classes  ?

• C25B 15/021 - Process control or regulation of heating or cooling
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• C25B 9/65 - Means for supplying currentElectrode connectionsElectric inter-cell connections
• C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms
• C25B 15/027 - Temperature
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

A method of operating an electrolyzer includes changing a current density associated with operation of the electrolyzer based on one or more electricity input factors, or one or more hydrogen output factors, or both.

IPC Classes  ?

• C25B 15/02 - Process control or regulation
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/70 - Assemblies comprising two or more cells

Abstract

An electrochemical electrode assembly comprises an electrode having a first electrode face and a second electrode face opposing the first electrode face, a support member configured to be coupled to a housing of an electrolyzer cell, an elastic element comprising a plurality of resilient filaments coupled together into a resilient body, wherein the elastic element is compressed between the support member and the electrode so that the elastic element generates a controlled load against the first electrode face, and a protective insert abutted against the second electrode face along at least a portion of a first edge of the electrode, wherein the protective insert prevents filaments of the elastic element from protruding beyond the second electrode face.

IPC Classes  ?

• H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes

Goods & Services

industrial chemicals; hydrogen gas; oxygen gas for industrial purposes electronic equipment, namely, an electrolyzer apparatus containing electrochemical cells for producing hydrogen gas electronic equipment in the nature of components of anode chamber and cathode chamber of electrochemical cells for producing hydrogen gas, namely, anode shell, cathode shell, intermediate frame between the anode shell and the cathode shell, elastic member in the cathode chamber, and spacers; electronic equipment, namely, membranes in the nature of anion exchange membranes and cation exchange membranes used in electrochemical cells for the production of hydrogen gas; anodes used in the production of hydrogen gas; cathodes used in the production of hydrogen gas; computerized controller containing hardware and downloadable and recorded software for analyzing, monitoring, managing, and controlling industrial manufacturing of hydrogen gas Consulting relating to the construction of plants containing electrolyzers for producing hydrogen gas Consulting relating to industrial production of hydrogen gas using electrolyzers Licensing of designs and technologies relating to production of hydrogen gas

Abstract

A method comprises applying a slurry to one or more surfaces of a conductive substrate to form a precursor coating and provide a precursor coated substrate, wherein the slurry includes precursor particles comprising one or more precursor compounds in a slurry medium, and electrochemically oxidizing the one or more precursor compounds to chemically convert the one or more precursor compounds to one or more catalyst compounds and form catalyst particles adhered to the one or more surfaces of the conductive substrate to provide a catalyst coated substrate.

IPC Classes  ?

• C25B 11/054 - Electrodes comprising electrocatalysts supported on a carrier
• C25B 11/03 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
• C25B 11/061 - Metal or alloy

Abstract

A method comprises applying a slurry to one or more surfaces of a conductive substrate (186) to form a precursor coating (192) and provide a precursor coated substrate, wherein the slurry includes precursor particles comprising one or more precursor compounds in a slurry medium, and electrochemically oxidizing the one or more precursor compounds to chemically convert the one or more precursor compounds to one or more catalyst compounds and form catalyst particles adhered to the one or more surfaces of the conductive substrate to provide a catalyst coated substrate.

IPC Classes  ?

• C25B 1/01 - Products
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 11/031 - Porous electrodes
• C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
• C25B 11/056 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material consisting of textile or non-woven fabric
• C25B 11/077 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
• C01G 51/04 - Oxides
• C25D 9/04 - Electrolytic coating other than with metals with inorganic materials

Abstract

An electrolyzer cell comprises a first half cell comprising a housing at least partially enclosing a cell interior, a first electrode coated with a first catalyst coating, wherein the first electrode is coupled to the housing in the cell interior without welding, a second electrode coupled to the housing in the cell interior without welding, and a separator positioned between the first electrode and the second electrode, wherein a voltage is applied between the first electrode and the second electrode.

IPC Classes  ?

• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• C25B 9/63 - Holders for electrodesPositioning of the electrodes
• C25B 11/03 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
• C25B 11/055 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

An electrolyzer system comprises one or more electrolyzer cells each comprising a first half cell with a first electrode and a second half cell with a second electrode and a controller to control a current applied through the one or more electrolyzer cells, wherein the controller is configured to dynamically set the current density within a current density range of from about 150 mA/cm2 to about 3000 mA/cm2, and wherein the controller is configured to set the current density to a first value when a first condition is met and to a second value when a second condition is met.

IPC Classes  ?

• C25B 15/02 - Process control or regulation
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/70 - Assemblies comprising two or more cells

Abstract

244.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• B01J 23/00 - Catalysts comprising metals or metal oxides or hydroxides, not provided for in group
• C01G 53/00 - Compounds of nickel
• C25B 11/077 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
• C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate

Abstract

A method comprises at least partially submerging a conductive substrate in an alkaline solution comprising anions of one or more first metal elements, and applying a specified potential to the conductive substrate that is at least partially submerged in the alkaline solution to electrochemically deposit a coating compound comprising one or more of the first metal elements onto one or more surfaces of the conductive substrate.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 11/077 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
• C25B 11/081 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the element being a noble metal

Abstract

A method comprises coprecipitating one or more precursor compounds from a solution comprising one or more first metal salts and one or more second salts to produce precipitated precursor particles, forming a slurry of the precipitated precursor particles, applying the slurry to one or more surfaces of a conductive substrate to provide a slurry coated substrate, and baking the slurry coated substrate at specified calcination conductions to convert the one or more precursor compounds of the precipitated precursor particles to spinel particles that are adhered to the one or more surfaces of the conductive substrate, wherein the spinel particles comprise a spinel with the general chemical formula AB2O4.

IPC Classes  ?

• C25B 11/077 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalysts material consisting of a single catalytic element or catalytic compound the compound being a non-noble metal oxide
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 11/031 - Porous electrodes
• C25B 11/063 - Valve metal, e.g. titanium

Abstract

An apparatus for water electrolysis includes two or more ministacks electrically connected in series and/or in parallel. Each ministack includes a stacked arrangement of 2 to 20 cells that are electrically connected in series. Each cell includes an anode, a cathode, and a separator between the anode and the cathode. Each cell also includes a fluid flow system permitting anode electrolyte to be added to the cell, flowed in contact with the anode, and removed from the cell, and permitting cathode electrolyte to be added to the cell, flowed in contact with the cathode, and removed from the cell. A single element for a water electrolyzer stack includes a cavity formed between a pan and a current collector.

IPC Classes  ?

• C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms
• C25B 9/65 - Means for supplying currentElectrode connectionsElectric inter-cell connections
• C25B 9/75 - Assemblies comprising two or more cells of the filter-press type having bipolar electrodes
• C25B 15/00 - Operating or servicing cells

Abstract

An apparatus for water electrolysis includes two or more ministacks electrically connected in series and/or in parallel. Each ministack includes a stacked arrangement of 2 to 20 cells that are electrically connected in series. Each cell includes an anode, a cathode, and a separator between the anode and the cathode. Each cell also includes a fluid flow system permitting anode electrolyte to be added to the cell, flowed in contact with the anode, and removed from the cell, and permitting cathode electrolyte to be added to the cell, flowed in contact with the cathode, and removed from the cell. A single element for a water electrolyzer stack includes a cavity formed between a pan and a current collector.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/63 - Holders for electrodesPositioning of the electrodes
• C25B 9/65 - Means for supplying currentElectrode connectionsElectric inter-cell connections
• C25B 9/70 - Assemblies comprising two or more cells
• C25B 9/75 - Assemblies comprising two or more cells of the filter-press type having bipolar electrodes
• C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms

Abstract

An electrochemical cell comprises a first electrode configured for a first electrochemical half reaction, a first electrolyte solution in contact with the first electrode, a second electrode configured for a second electrochemical half reaction, a second electrolyte solution in contact with the second electrode, a separator positioned between the first electrode and the second electrode, and a first porous layer in contact with the first electrode, wherein the first porous layer is infused with a first specified solution comprising a first reactant for the first electrochemical half reaction.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 15/025 - Measuring, analysing or testing during electrolytic production of electrolyte parameters
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Goods & Services

Industrial chemicals; hydrogen gas; oxygen gas. Electronic equipment, namely, eletrolyzers containing electrochemical cells for producing hydrogen gas; electronic equipment in the nature of components of anode chamber and cathode chamber of electrochemical cells for producing hydrogen gas, namely, anode shell, cathode shell, intermediate frame between the anode shell and the cathode shell, elastic member in the cathode chamber, and spacers; electronic equipment, namely, membranes in the nature of anion exchange membranes and cation exchange membranes used in electrochemical cells for the production of hydrogen gas; anodes used in the production of hydrogen gas; cathodes used in the production of hydrogen gas; computerized controller containing hardware and downloadable and recorded software for analyzing, monitoring, managing, and controlling industrial manufacturing of hydrogen gas. Consulting relating to the construction of plants containing electrolyzers for producing hydrogen gas. Consulting relating to industrial production of hydrogen gas using electrolyzers. Scientific consulting in the field of producing industrial chemicals and hydrogen gas; technical research and industrial analysis in the field of producing industrial chemicals and hydrogen gas; research and development in the field of producing industrial chemicals and hydrogen gas; Scientific research and consulting and technical analysis of a manufacturing process with respect to plants containing electrolyzers for producing hydrogen gas; scientific consulting related to industrial chemical processes; computer software consulting services; computer software design and development; installation and maintenance of computer software. Licensing of designs and technologies relating to production of hydrogen gas.

Goods & Services

Industrial chemicals; hydrogen gas; oxygen gas. Electronic equipment, namely, eletrolyzers containing electrochemical cells for producing hydrogen gas; electronic equipment in the nature of components of anode chamber and cathode chamber of electrochemical cells for producing hydrogen gas, namely, anode shell, cathode shell, intermediate frame between the anode shell and the cathode shell, elastic member in the cathode chamber, and spacers; electronic equipment, namely, membranes in the nature of anion exchange membranes and cation exchange membranes used in electrochemical cells for the production of hydrogen gas; anodes used in the production of hydrogen gas; cathodes used in the production of hydrogen gas; computerized controller containing hardware and downloadable and recorded software for analyzing, monitoring, managing, and controlling industrial manufacturing of hydrogen gas. Consulting relating to the construction of plants containing electrolyzers for producing hydrogen gas. Consulting relating to industrial production of hydrogen gas using electrolyzers. Scientific consulting in the field of producing industrial chemicals and hydrogen gas; technical research and industrial analysis in the field of producing industrial chemicals and hydrogen gas; research and development in the field of producing industrial chemicals and hydrogen gas; Scientific research and consulting and technical analysis of a manufacturing process with respect to plants containing electrolyzers for producing hydrogen gas; scientific consulting related to industrial chemical processes; computer software consulting services in relation to energy production and producing industrial chemicals and hydrogen gas; computer software design and development in relation to energy production and producing industrial chemicals and hydrogen gas; installation and maintenance of computer software in relation to energy production and producing industrial chemicals and hydrogen gas. Licensing of designs and technologies relating to production of hydrogen gas.

Goods & Services

Industrial chemicals; hydrogen gas; oxygen gas for industrial purposes Electrolysis machines for generating hydrogen, namely, electrolyzers containing electrochemical cells for producing hydrogen gas; Parts of electrolysis machines for generating hydrogen, namely, components of anode chambers and cathode chambers of electrochemical cells for producing hydrogen gas, in the nature of anode shells, cathode shells, intermediate frames between the anode shell and the cathode shell, elastic members in the cathode chamber, and spacers; Parts of electrolysis machines for generating hydrogen, namely, membranes in the nature of anion exchange membranes and cation exchange membranes used in electrochemical cells for the production of hydrogen gas Anodes used in the production of hydrogen gas; cathodes used in the production of hydrogen gas; computerized controller containing hardware and downloadable and recorded software for analyzing, monitoring, managing, and controlling industrial manufacturing of hydrogen gas Consulting relating to the construction of plants containing electrolyzers for producing hydrogen gas Consulting relating to industrial production of hydrogen gas using electrolyzers Scientific research consulting in the field of producing industrial chemicals and hydrogen gas; technical research in the field of producing industrial chemicals and hydrogen gas; research and development in the field of producing industrial chemicals and hydrogen gas; Scientific research and scientific research consulting and technical analysis of a manufacturing process with respect to plants containing electrolyzers for producing hydrogen gas; scientific research consulting related to industrial chemical processes; computer software consulting services; computer software design and development; installation and maintenance of computer software Licensing of designs and technologies relating to production of hydrogen gas

Goods & Services

Industrial chemicals; hydrogen gas for industrial use; oxygen gas for industrial use Electronic equipment, namely, eletrolyzers containing electrochemical cells for producing hydrogen gas; electronic equipment in the nature of components of anode chamber and cathode chamber of electrochemical cells for producing hydrogen gas, namely, anode shell, cathode shell, intermediate frame between the anode shell and the cathode shell, elastic member in the cathode chamber, and spacers; electronic equipment, namely, membranes in the nature of anion exchange membranes and cation exchange membranes used in electrochemical cells for the production of hydrogen gas; anodes used in the production of hydrogen gas; cathodes used in the production of hydrogen gas; computerized controller containing hardware and downloadable and recorded software for analyzing, monitoring, managing, and controlling industrial manufacturing of hydrogen gas Consulting relating to the construction of plants containing electrolyzers for producing hydrogen gas Consulting relating to industrial production of hydrogen gas using electrolyzers Scientific consulting in the field of producing industrial chemicals and hydrogen gas; technical research and industrial analysis in the field of producing industrial chemicals and hydrogen gas; research and development in the field of producing industrial chemicals and hydrogen gas; Scientific research and consulting and technical analysis of a manufacturing process with respect to plants containing electrolyzers for producing hydrogen gas; scientific consulting related to industrial chemical processes; computer software consulting services; computer software design and development; installation and maintenance of computer software Licensing of designs and technologies relating to production of hydrogen gas

Abstract

An electrochemical cell comprises a first electrode configured for a first electrochemical half reaction, a first electrolyte solution in contact with the first electrode, a second electrode configured for a second electrochemical half reaction, a second electrolyte solution in contact with the second electrode, a separator positioned between the first electrode and the second electrode, and a first porous layer in contact with the first electrode, wherein the first porous layer is infused with a first specified solution comprising a first reactant for the first electrochemical half reaction.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/60 - Constructional parts of cells
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

An electrochemical cell comprises an anode, an anode electrolyte solution in contact with the anode, wherein the anode electrolyte solution has a first pH, a cathode comprising an ionomer, a cathode electrolyte solution in contact with the cathode wherein the cathode electrolyte solution has a second pH, and a separator positioned between the anode and the cathode, wherein the electrochemical cell is configured to maintain a pH differential between the first pH and the second pH.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
• C25B 11/055 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material

Abstract

An electrochemical cell comprises a first electrode configured for a first electrochemical half reaction, a first electrolyte solution in contact with the first electrode, a second electrode configured for a second electrochemical half reaction, a second electrolyte solution in contact with the second electrode, a separator positioned between the first electrode and the second electrode, and a first porous layer in contact with the first electrode, wherein the first porous layer is infused with a first specified solution comprising a first reactant for the first electrochemical half reaction.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded

Abstract

An electrochemical cell comprises an anode, an anode electrolyte solution in contact with the anode, wherein the anode electrolyte solution has a first pH, a cathode comprising an ionomer, a cathode electrolyte solution in contact with the cathode wherein the cathode electrolyte solution has a second pH, and a separator positioned between the anode and the cathode, wherein the electrochemical cell is configured to maintain a pH differential between the first pH and the second pH.

IPC Classes  ?

• C25B 15/031 - Concentration pH
• C25B 1/02 - Hydrogen or oxygen
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• C25B 11/085 - Organic compound

Abstract

A method of forming oxygen or hydrogen gas from water includes flowing an anolyte from outside an electrochemical cell to contact an anode of the electrochemical cell, wherein the method is free of flowing a catholyte from outside of the electrochemical cell to contact a cathode of the electrochemical cell, and wherein the cathode forms hydrogen gas. Alternatively, the method includes flowing a catholyte from outside the electrochemical cell to contact the cathode of the electrochemical cell, wherein the method is free of flowing an anolyte from outside of the electrochemical cell to contact the anode of the electrochemical cell, and wherein the anode forms oxygen gas. The electrochemical cell includes the anode, the cathode, and an ion exchange membrane between the anode and the cathode.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 1/02 - Hydrogen or oxygen
• C25B 13/00 - DiaphragmsSpacing elements
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• C25B 11/00 - ElectrodesManufacture thereof not otherwise provided for

Abstract

A method of using an electrochemical cell includes sparging a gas including oxygen into an anolyte using an anolyte oxygen sparger, wherein the anolyte is circulated to contact an anode of an electrochemical cell including the anode, a cathode, and a membrane between the anode and the cathode.

IPC Classes  ?

• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 15/00 - Operating or servicing cells

Abstract

An electrochemical electrode assembly comprises an electrode having a first electrode face and a second electrode face opposing the first electrode face, a support member configured to be coupled to a housing of an electrolyzer cell, an elastic element comprising a plurality of resilient filaments coupled together into a resilient body, wherein the elastic element is compressed between the support member and the electrode so that the elastic element generates a controlled load against the first electrode face, and a protective insert abutted against the second electrode face along at least a portion of a first edge of the electrode, wherein the protective insert prevents filaments of the elastic element from protruding beyond the second electrode face.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• C25B 9/60 - Constructional parts of cells
• C25B 11/052 - Electrodes comprising one or more electrocatalytic coatings on a substrate
• C25B 11/061 - Metal or alloy

Abstract

A method of forming oxygen or hydrogen gas from water includes flowing an anolyte from outside an electrochemical cell to contact an anode of the electrochemical cell, wherein the method is free of flowing a catholyte from outside of the electrochemical cell to contact a cathode of the electrochemical cell, and wherein the cathode forms hydrogen gas. Alternatively, the method includes flowing a catholyte from outside the electrochemical cell to contact the cathode of the electrochemical cell, wherein the method is free of flowing an anolyte from outside of the electrochemical cell to contact the anode of the electrochemical cell, and wherein the anode forms oxygen gas. The electrochemical cell includes the anode, the cathode, and an ion exchange membrane between the anode and the cathode.

IPC Classes  ?

• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

An electrochemical electrode assembly comprises an electrode having a first electrode face and a second electrode face opposing the first electrode face, a support member configured to be coupled to a housing of an electrolyzer cell, an elastic element comprising a plurality of resilient filaments coupled together into a resilient body, wherein the elastic element is compressed between the support member and the electrode so that the elastic element generates a controlled load against the first electrode face, and a protective insert abutted against the second electrode face along at least a portion of a first edge of the electrode, wherein the protective insert prevents filaments of the elastic element from protruding beyond the second electrode face.

IPC Classes  ?

• H01M 50/46 - Separators, membranes or diaphragms characterised by their combination with electrodes

Abstract

A method of using an electrochemical cell includes sparging a gas including oxygen into an anolyte using an anolyte oxygen sparger, wherein the anolyte is circulated to contact an anode of an electrochemical cell including the anode, a cathode, and a membrane between the anode and the cathode.

IPC Classes  ?

• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms

Abstract

An electrolyzer system comprises a stack of one or more electrolyzer cells, each electrolyzer cell comprising first and second half cells respectively comprising first and second electrodes and a separator between the first half cell and the second half cell, wherein a current is applied between the first and second electrodes. The system further comprises first and second electrolyte feed streams for respectively feeding a first electrolyte solution at a first inlet temperature to the first half cells and a second electrolyte solution at a second inlet temperature to the second half cells, first and second electrolyte outlet streams for respectively withdrawing the first and second electrolyte solutions from the first half cells and second half cells, and a temperature control apparatus to control the first inlet temperature at a first specified temperature and to control the second inlet temperature at a second specified temperature.

IPC Classes  ?

• C25B 9/67 - Heating or cooling means
• C25B 1/02 - Hydrogen or oxygen
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/70 - Assemblies comprising two or more cells
• C25B 15/021 - Process control or regulation of heating or cooling
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

Provided herein are anode and/or cathode pan assemblies comprising unique manifold, outlet tube, and/or baffle plate configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/13 - Single electrolytic cells with circulation of an electrolyte
• C25B 9/60 - Constructional parts of cells
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Goods & Services

Industrial chemicals; hydrogen gas; oxygen gas. Electronic equipment, namely, eletrolyzers containing electrochemical cells for producing hydrogen gas; electronic equipment in the nature of components of anode chamber and cathode chamber of electrochemical cells for producing hydrogen gas, namely, anode shell, cathode shell, intermediate frame between the anode shell and the cathode shell, elastic member in the cathode chamber, and spacers; electronic equipment, namely, membranes in the nature of anion exchange membranes and cation exchange membranes used in electrochemical cells for the production of hydrogen gas; anodes used in the production of hydrogen gas; cathodes used in the production of hydrogen gas; computerized controller containing hardware and downloadable and recorded software for analyzing, monitoring, managing, and controlling industrial manufacturing of hydrogen gas. Consulting relating to the construction of plants containing electrolyzers for producing hydrogen gas. Consulting relating to industrial production of hydrogen gas using electrolyzers. Scientific consulting in the field of producing industrial chemicals and hydrogen gas; technical research and industrial analysis in the field of producing industrial chemicals and hydrogen gas; research and development in the field of producing industrial chemicals and hydrogen gas; Scientific research and consulting and technical analysis of a manufacturing process with respect to plants containing electrolyzers for producing hydrogen gas; scientific consulting related to industrial chemical processes; computer software consulting services; computer software design and development; installation and maintenance of computer software. Licensing of designs and technologies relating to production of hydrogen gas.

Goods & Services

Industrial chemicals; hydrogen gas; oxygen gas for industrial purposes Electrolysis machines for generating hydrogen, namely, electrolyzers containing electrochemical cells for producing hydrogen gas; Parts of electrolysis machines for generating hydrogen, namely, components of anode chambers and cathode chambers of electrochemical cells for producing hydrogen gas, in the nature of anode shells, cathode shells, intermediate frames between the anode shell and the cathode shell, elastic members in the cathode chamber, and spacers; Parts of electrolysis machines for generating hydrogen, namely, membranes in the nature of anion exchange membranes and cation exchange membranes used in electrochemical cells for the production of hydrogen gas Anodes used in the production of hydrogen gas; cathodes used in the production of hydrogen gas; computerized controller containing hardware and downloadable and recorded software for analyzing, monitoring, managing, and controlling industrial manufacturing of hydrogen gas Consulting relating to industrial production of hydrogen gas using electrolyzers Scientific research consulting in the field of producing industrial chemicals and hydrogen gas; technical research in the field of producing industrial chemicals and hydrogen gas; research and development in the field of producing industrial chemicals and hydrogen gas; Scientific research and scientific research consulting and technical analysis of a manufacturing process with respect to plants containing electrolyzers for producing hydrogen gas; scientific research consulting related to industrial chemical processes; computer software consulting services; computer software design and development; installation and maintenance of computer software Licensing of designs and technologies relating to production of hydrogen gas

Abstract

A sensor system comprises a sensor array comprising one or more sensors associated with an electrolyzer cell, wherein the one or more sensors produce sensory signals corresponding to one or more specified phenomena of the electrolyzer cell, a sensor board configured to amplify, filter, shape, or condition the sensory signals and to digitize the sensory signals to provide digitized information, a first communication link between the sensor board and the sensor array, and a second communication link configured to transmit the digitized information to a central controller outside the sensor system.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C02F 1/461 - Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
• C02F 1/46 - Treatment of water, waste water, or sewage by electrochemical methods
• C25B 1/044 - Hydrogen or oxygen by electrolysis of water producing mixed hydrogen and oxygen gas, e.g. Brown's gas [HHO]
• H04N 25/76 - Addressed sensors, e.g. MOS or CMOS sensors

Abstract

A sensor system comprises a sensor array comprising one or more sensors associated with an electrolyzer cell, wherein the one or more sensors produce sensory signals corresponding to one or more specified phenomena of the electrolyzer cell, a sensor board configured to amplify, filter, shape, or condition the sensory signals and to digitize the sensory signals to provide digitized information, a first communication link between the sensor board and the sensor array, and a second communication link configured to transmit the digitized information to a central controller outside the sensor system.

IPC Classes  ?

• C25B 15/02 - Process control or regulation

Abstract

An electrolyzer cell comprises a first half cell with a first electrode, a second half cell with a second electrode, a separator separating the first half cell from the second half cell, wherein a compressive load is applied between the separator and the first electrode or between the separator and the second electrode, or between both the first and second electrodes and the separator, and a nanoporous support structure located between the first electrode and the separator.

IPC Classes  ?

• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 11/02 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form
• C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
• C25B 9/63 - Holders for electrodesPositioning of the electrodes

Abstract

An electrolyzer system comprises a stack of one or more electrolyzer cells, each electrolyzer cell comprising first and second half cells respectively comprising first and second electrodes and a separator between the first half cell and the second half cell, wherein a current is applied between the first and second electrodes. The system further comprises first and second electrolyte feed streams for respectively feeding a first electrolyte solution at a first inlet temperature to the first half cells and a second electrolyte solution at a second inlet temperature to the second half cells, first and second electrolyte outlet streams for respectively withdrawing the first and second electrolyte solutions from the first half cells and second half cells, and a temperature control apparatus to control the first inlet temperature at a first specified temperature and to control the second inlet temperature at a second specified temperature.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 15/021 - Process control or regulation of heating or cooling
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/67 - Heating or cooling means
• C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms
• C25B 9/65 - Means for supplying currentElectrode connectionsElectric inter-cell connections

Abstract

An electrolyzer cell comprises a first half cell with a first electrode, a second half cell with a second electrode, a separator separating the first half cell from the second half cell, wherein a compressive load is applied between the separator and the first electrode or between the separator and the second electrode, or between both the first and second electrodes and the separator, and a nanoporous support structure located between the first electrode and the separator.

IPC Classes  ?

• C25B 13/08 - DiaphragmsSpacing elements characterised by the material based on organic materials

Abstract

An electrolyzer system has a first half cell with a first electrode and a separator disposed adjacent a side of the first half cell. The separator is configured to separate the first half cell from an adjacent second half cell, and the first electrode is in contact with a face of the separator. The first electrode has a mesh, and portions of the mesh that are in contact with the separator are flattened.

IPC Classes  ?

• C25B 9/77 - Assemblies comprising two or more cells of the filter-press type having diaphragms
• C25B 9/05 - Pressure cells
• C25B 9/75 - Assemblies comprising two or more cells of the filter-press type having bipolar electrodes
• C25B 9/15 - Flow-through cells
• C25B 9/01 - Electrolytic cells characterised by shape or form
• C25B 11/031 - Porous electrodes
• C25B 1/02 - Hydrogen or oxygen
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded

Abstract

An electrolyzer cell comprises a first half cell comprising a housing at least partially enclosing a cell interior, a first electrode coated with a first catalyst coating, wherein the first electrode is coupled to the housing in the cell interior without welding, a second electrode coupled to the housing in the cell interior without welding, and a separator positioned between the first electrode and the second electrode, wherein a voltage is applied between the first electrode and the second electrode.

IPC Classes  ?

• C25B 1/02 - Hydrogen or oxygen
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/15 - Flow-through cells
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• C25B 9/63 - Holders for electrodesPositioning of the electrodes
• C25B 1/044 - Hydrogen or oxygen by electrolysis of water producing mixed hydrogen and oxygen gas, e.g. Brown's gas [HHO]
• C25B 9/01 - Electrolytic cells characterised by shape or form
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/21 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms two or more diaphragms
• C25B 9/60 - Constructional parts of cells
• C25B 9/70 - Assemblies comprising two or more cells
• C25B 9/75 - Assemblies comprising two or more cells of the filter-press type having bipolar electrodes

Abstract

An electrolyzer system has a first half cell with a first electrode and a separator disposed adjacent a side of the first half cell. The separator is configured to separate the first half cell from an adjacent second half cell, and the first electrode is in contact with a face of the separator. The first electrode has a mesh, and portions of the mesh that are in contact with the separator are flattened.

IPC Classes  ?

• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 11/055 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
• C25B 13/04 - DiaphragmsSpacing elements characterised by the material

Abstract

An electrolyzer system comprises a stack of one or more electrolyzer cells, each electrolyzer cell comprising first and second half cells respectively comprising first and second electrodes and a separator between the first half cell and the second half cell, wherein a current is applied between the first and second electrodes. The system further comprises first and second electrolyte feed streams for respectively feeding a first electrolyte solution at a first inlet temperature to the first half cells and a second electrolyte solution at a second inlet temperature to the second half cells, first and second electrolyte outlet streams for respectively withdrawing the first and second electrolyte solutions from the first half cells and second half cells, and a temperature control apparatus to control the first inlet temperature at a first specified temperature and to control the second inlet temperature at a second specified temperature.

IPC Classes  ?

• C25B 9/67 - Heating or cooling means
• C25B 1/02 - Hydrogen or oxygen
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 15/021 - Process control or regulation of heating or cooling
• C25B 9/70 - Assemblies comprising two or more cells

Abstract

An electrolyzer cell comprises a first half cell comprising a housing at least partially enclosing a cell interior, a first electrode coated with a first catalyst coating, wherein the first electrode is coupled to the housing in the cell interior without welding, a second electrode coupled to the housing in the cell interior without welding, and a separator positioned between the first electrode and the second electrode, wherein a voltage is applied between the first electrode and the second electrode.

IPC Classes  ?

• C25B 1/00 - Electrolytic production of inorganic compounds or non-metals
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• C25B 9/63 - Holders for electrodesPositioning of the electrodes
• C25B 11/03 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form perforated or foraminous
• C25B 11/055 - Electrodes formed of electrocatalysts on a substrate or carrier characterised by the substrate or carrier material
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

Disclosed herein are methods and systems that relate to oxidizing a metal ion of a metal oxyanion or a non-metal ion of a non-metal oxyanion from a lower oxidation state to a higher oxidation state at an anode and generate hydrogen gas at the cathode. The metal oxyanion with the metal ion in the higher oxidation state or the non-metal oxyanion with the non-metal ion in the higher oxidation state may be then subjected to a thermal reaction or a second electrochemical reaction, to form oxygen gas as well as to regenerate the metal oxyanion with the metal ion in the lower oxidation state or the non-metal oxyanion with the non-metal ion in the lower oxidation state, respectively.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 1/50 - Processes
• C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features

Abstract

Provided herein, are anode and/or cathode pan assemblies comprising unique ribs and welds configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.

IPC Classes  ?

• C25B 11/02 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form
• C25B 1/02 - Hydrogen or oxygen
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 13/00 - DiaphragmsSpacing elements
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

An electrolyzer system comprises one or more electrolyzer cells each comprising a first half cell with a first electrode and a second half cell with a second electrode and a controller to control a current applied through the one or more electrolyzer cells, wherein the controller is configured to dynamically set the current density within a current density range of from about 150 mA/cm2 to about 3000 mA/cm2, and wherein the controller is configured to set the current density to a first value when a first condition is met and to a second value when a second condition is met.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/01 - Electrolytic cells characterised by shape or form
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/60 - Constructional parts of cells
• C25B 9/70 - Assemblies comprising two or more cells
• C25B 15/02 - Process control or regulation
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

2, and wherein the controller is configured to set the current density to a first value when a first condition is met and to a second value when a second condition is met.

IPC Classes  ?

• C25B 15/02 - Process control or regulation
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/70 - Assemblies comprising two or more cells

Abstract

2 when the demand for electricity decreases within the region where the electrolyzer is located.

IPC Classes  ?

• C25B 15/02 - Process control or regulation
• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/70 - Assemblies comprising two or more cells

Abstract

Disclosed herein are methods and systems that relate to electrochemically producing hydrogen gas by maintaining a steady-state pH differential of greater than 1 between an anode electrolyte and a cathode electrolyte in a hydrogen-gas generating electrochemical cell.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 9/70 - Assemblies comprising two or more cells

Abstract

Disclosed herein are methods and systems that relate to electrochemically producing hydrogen gas by maintaining a steady-state pH differential of greater than 1 between an anode electrolyte and a cathode electrolyte in a hydrogen-gas generating electrochemical cell.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 1/50 - Processes
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 15/00 - Operating or servicing cells
• C25B 15/02 - Process control or regulation
• C25B 15/029 - Concentration
• C25B 15/031 - Concentration pH
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

Disclosed herein are methods and systems that relate to electrochemically producing hydrogen gas by maintaining a steady-state pH differential of greater than 1 between an anode electrolyte and a cathode electrolyte in a hydrogen-gas generating electrochemical cell.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 1/50 - Processes
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 15/00 - Operating or servicing cells
• C25B 15/02 - Process control or regulation
• C25B 15/029 - Concentration
• C25B 15/031 - Concentration pH
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

Provided herein are electrochemical cell and/or electrolyzer configurations with membrane-electrode gap and optionally one or more spacers; and methods to use and manufacture the same.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
• H01M 8/0271 - Sealing or supporting means around electrodes, matrices or membranes
• H01M 8/1004 - Fuel cells with solid electrolytes characterised by membrane-electrode assemblies [MEA]
• H01M 8/08 - Fuel cells with aqueous electrolytes
• H01M 8/18 - Regenerative fuel cells, e.g. redox flow batteries or secondary fuel cells

Abstract

Provided herein are electrochemical cell and/or electrolyzer configurations with membrane-electrode gap and optionally one or more spacers; and methods to use and manufacture the same.

IPC Classes  ?

• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/63 - Holders for electrodesPositioning of the electrodes
• C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
• H01M 8/0656 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
• H01M 4/04 - Processes of manufacture in general
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

Provided herein, are anode and/or cathode pan assemblies comprising unique ribs and welds configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.

IPC Classes  ?

• C25B 9/65 - Means for supplying currentElectrode connectionsElectric inter-cell connections
• C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
• C25B 9/17 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/60 - Constructional parts of cells

Abstract

Provided herein are anode and/or cathode pan assemblies comprising unique manifold, outlet tube, and/or baffle plate configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same. The anode and/or a cathode pan assembly may comprise: an anode and/or a cathode pan, and a manifold positioned inside the anode and/or the cathode pan, wherein cross sectional area of the manifold comprises depth of the manifold to be between about 0.25-0.75 of depth of the pan. The pan may comprise one or more ribs inside the pan comprising one or more notches, and a baffle plate comprising two or more slots configured to fit over the one or more notches of the one or more ribs.

IPC Classes  ?

• C25B 9/17 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof
• C25B 9/23 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms comprising ion-exchange membranes in or on which electrode material is embedded
• H01M 8/02 - Fuel cellsManufacture thereof Details
• H01M 8/2465 - Details of groupings of fuel cells
• H01M 8/2483 - Details of groupings of fuel cells characterised by internal manifolds
• H01M 8/2484 - Details of groupings of fuel cells characterised by external manifolds

Abstract

Provided herein are anode and/or cathode pan assemblies comprising unique manifold, outlet tube, and/or baffle plate configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.

IPC Classes  ?

• C25B 9/13 - Single electrolytic cells with circulation of an electrolyte
• C25B 9/60 - Constructional parts of cells
• H01M 8/0656 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

Disclosed herein are methods and systems that relate to oxidizing a metal ion of a metal oxyanion or a non-metal ion of a non-metal oxyanion from a lower oxidation state to a higher oxidation state at an anode and generate hydrogen gas at the cathode. The metal oxyanion with the metal ion in the higher oxidation state or the non-metal oxyanion with the non-metal ion in the higher oxidation state may be then subjected to a thermal reaction or a second electrochemical reaction, to form oxygen gas as well as to regenerate the metal oxyanion with the metal ion in the lower oxidation state or the non-metal oxyanion with the non-metal ion in the lower oxidation state, respectively.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features

Abstract

Provided herein are anode and/or cathode pan assemblies comprising unique manifold, outlet tube, and/or baffle plate configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.

IPC Classes  ?

• C25B 9/13 - Single electrolytic cells with circulation of an electrolyte
• C25B 9/60 - Constructional parts of cells
• H01M 8/0656 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

Disclosed herein are methods and systems that relate to forming a metal hydroxy salt from a metal salt at an anode and generating hydrogen gas at a cathode of an electrochemical cell. The metal hydroxy salt is then subjected to a thermal reaction or another electrochemical reaction to form oxygen gas as well as to regenerate the metal salt.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 11/04 - ElectrodesManufacture thereof not otherwise provided for characterised by the material
• C25B 11/08 - Noble metals

Abstract

Disclosed herein are methods and systems that relate to oxidizing a metal ion of a metal oxyanion or a non-metal ion of a non-metal oxyanion from a lower oxidation state to a higher oxidation state at an anode and generating hydrogen gas at a cathode. The metal oxyanion with the metal ion in the higher oxidation state or the non-metal oxyanion with the non-metal ion in the higher oxidation state may then be subjected to a thermal reaction or a second electrochemical reaction to form oxygen gas as well as to regenerate the metal oxyanion with the metal ion in the lower oxidation state or the non-metal oxyanion with the non-metal ion in the lower oxidation state, respectively.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features
• H01M 10/00 - Secondary cellsManufacture thereof

Abstract

Disclosed herein are methods and systems that relate to forming a metal hydroxy salt from metal salt at an anode and generate hydrogen gas at the cathode. The metal hydroxy salt is then subjected to a thermal reaction or another electrochemical reaction to form oxygen gas as well as to regenerate the metal salt.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/70 - Assemblies comprising two or more cells

Abstract

Disclosed herein are methods and systems that relate to forming a metal hydroxy salt from metal salt at an anode and generate hydrogen gas at the cathode. The metal hydroxy salt is then subjected to a thermal reaction or another electrochemical reaction to form oxygen gas as well as to regenerate the metal salt.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/70 - Assemblies comprising two or more cells
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes

Abstract

Disclosed herein are methods and systems that relate to oxidizing a metal ion of a metal oxyanion or a non-metal ion of a non-metal oxyanion from a lower oxidation state to a higher oxidation state at an anode and generate hydrogen gas at the cathode. The metal oxyanion with the metal ion in the higher oxidation state or the non-metal oxyanion with the non-metal ion in the higher oxidation state may be then subjected to a thermal reaction or a second electrochemical reaction, to form oxygen gas as well as to regenerate the metal oxyanion with the metal ion in the lower oxidation state or the non-metal oxyanion with the non-metal ion in the lower oxidation state, respectively.

IPC Classes  ?

• C25B 1/04 - Hydrogen or oxygen by electrolysis of water
• C25B 1/50 - Processes
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 9/00 - Cells or assemblies of cellsConstructional parts of cellsAssemblies of constructional parts, e.g. electrode-diaphragm assembliesProcess-related cell features

Abstract

Provided herein are electrochemical cell and/or electrolyzer configurations with membrane-electrode gap and optionally one or more spacers; and methods to use and manufacture the same.

IPC Classes  ?

• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 9/63 - Holders for electrodesPositioning of the electrodes
• H01M 8/0656 - Combination of fuel cells with means for production of reactants or for treatment of residues with means for production of gaseous reactants by electrochemical means
• H01M 4/04 - Processes of manufacture in general
• C25B 13/02 - DiaphragmsSpacing elements characterised by shape or form
• H01M 4/02 - Electrodes composed of, or comprising, active material

Abstract

Provided herein, are anode and/or cathode pan assemblies comprising unique ribs and welds configurations; electrochemical cell and/or electrolyzer containing the anode and/or the cathode pan assemblies; and methods to use and manufacture the same.

IPC Classes  ?

• C25B 11/02 - ElectrodesManufacture thereof not otherwise provided for characterised by shape or form
• C25B 15/08 - Supplying or removing reactants or electrolytesRegeneration of electrolytes
• C25B 1/02 - Hydrogen or oxygen
• C25B 9/19 - Cells comprising dimensionally-stable non-movable electrodesAssemblies of constructional parts thereof with diaphragms
• C25B 13/00 - DiaphragmsSpacing elements