Class / Patent application number | Description | Number of patent applications / Date published |
205637000 | Hydrogen produced | 83 |
20090000956 | Production of Low Temperature Electrolytic Hydrogen - In one embodiment of the present disclosure, a process for electrochemical hydrogen production is provided. The process includes providing an electrochemical cell with an anode side including an anode, a cathode side including a cathode, and a membrane separating the anode side from the cathode side. The process further includes feeding molecules of at least one gaseous reactant to the anode, oxidizing one or more molecules of the gaseous reactant at the anode to produce a gas product and protons, passing the protons through the membrane to the cathode, and reducing the protons at the cathode to form hydrogen gas. | 01-01-2009 |
20090101520 | Methods and devices for hydrogen generation - Systems and methods for hydrogen generation based on the hydrolysis of a solid fuel are disclosed. The hydrogen generator comprises a fuel chamber for storing a solid chemical hydride and a chamber for storing a liquid reagent, and a liquid outlet disposed within the fuel chamber. The contact between the solid chemical hydride and the liquid reagent produces a substantially fluid nongaseous product and hydrogen gas. The fuel chamber is configured for movement relative to the outlet within the fuel chamber, thereby causing relative movement between the liquid outlet and unreacted solid fuel. | 04-23-2009 |
20090211920 | SYSTEM FOR MAINTAINING HYDROGEN PURITY IN ELECTRICAL GENERATORS AND METHOD THEREOF - A method and apparatus is provided for a system for maintaining hydrogen purity in an electrical power generator. The purity system includes: a generator, a hydrogen generator configured to provide hydrogen gas to the generator, a purity monitor for detecting the level of hydrogen purity in the generator and providing a signal when the purity drops below a predetermined threshold. The system automatically compensates for gas loss or contamination to maintain the desired level of efficiency in the electrical generator. | 08-27-2009 |
20090255826 | MEMBRANE FOR ELECTROCHEMICAL APPARATUS - A membrane for use with an electrochemical apparatus is provided. The electrochemical apparatus may include a fuel cell or electrolyzer, for example, an electrolyzer adapted to produce hydrogen. The membrane comprises a fabric made from a synthetic fiber such as nylon where the nylon, in an exemplary embodiment, is woven into ripstop nylon fabric. The electrochemical apparatus is constructed with frames comprising high-density polyethylene (HDPE) which provide support and structure to the membranes as well as to internal electrodes. A method of making an electrochemical apparatus, such as an electrolyzer, containing a membrane comprising ripstop nylon is also disclosed, as is a method for producing hydrogen gas with an electrolyzer containing a membrane comprising ripstop nylon. | 10-15-2009 |
20090266717 | Hydrogen Production Using Electrochemical Reforming and Electrolyte Regeneration - A process, preferably continuous, for producing hydrogen gas comprising contacting in the liquid phase at least one oxidizable organic substance in the presence of a mixture comprising at least one conductive catalyst and an aqueous alkaline carbonate electrolyte, wherein at least one bicarbonate composition produced by reaction of the electrolyte is regenerated and the at least one oxidizable organic substance comprises a oxygenated hydrocarbon, for example methanol and/or dimethyl ether. In a preferred embodiment the alkaline electrolyte is regenerated using steam. Various advantageous reaction schemes are described, utilizing, e.g., co-current and countercurrent stream flow and alternative tower sequence arrangements. | 10-29-2009 |
20090277800 | Efficient Production of Hydrogen - A liquid phase process for producing hydrogen gas in a reactor comprising the step of combining at least one oxidizing reactant with liquid water and at least one alkaline electrolyte to form a mixture having a pH, wherein the pH of the mixture is substantially maintained at a value of about 10.5 or greater and conducting a reaction in the presence of an electron transfer material that permits the movement of electrons. An alternative method produces hydrogen gas from a reaction in an electrochemical cell, the reaction characterized by an overall thermodynamic energy balance and half-cell reactions occurring at each of an anode and cathode. Energy transfers, such as thermal and electric, are analyzed and controlled in order to satisfy the thermodynamic energy balance of the reaction for efficient hydrogen production. | 11-12-2009 |
20100000876 | CAVIATION ASSISTED SONOCHEMICAL HYDROGEN PRODUCTION SYSTEM - A method and apparatus of producing hydrogen is disclosed comprising applying an electrical current to flow through an aqueous solution. Cavitation is generated within the aqueous solution, where the cavitation lowers an amount of energy required to break chemical bonds of said aqueous solution. | 01-07-2010 |
20100012504 | HYDROGEN GENERATOR - This invention relates to a hydrogen generator system for generating hydrogen from a water split reaction. The generator comprises a pressure container having a reactant water inlet, and a product hydrogen outlet. Pluralities of cells are vertically stacked inside the container; each cell contains a reactant compound comprising a mechanical mixture of metal and an anti-passivation material. The reactant compound produces hydrogen gas upon contact with water, and the cells are stacked such that water entering from the inlet can rise inside the container and sequentially activate each immersed cell to produce hydrogen gas. | 01-21-2010 |
20100012505 | Base-facilitated produciton of hydrogen from carbonaceous matter - A base-facilitated process for producing hydrogen. Hydrogen is produced from a reaction of carbonaceous matter with a base and water, preferably through the formation of a bicarbonate or carbonate by-product. The base-facilitated hydrogen-producing reactions are thermodynamically more spontaneous and are able to produce hydrogen gas at less extreme reaction conditions than conventional reformation or gasification reactions of carbonaceous matter. In another embodiment, the instant reactions permit the production of hydrogen from carbonaceous matter without the production of carbon dioxide or carbon monoxide. In a preferred embodiment, the carbonaceous matter is coal or a derivative thereof. | 01-21-2010 |
20100025260 | UPGRADING WASTE HEAT WITH HEAT PUMPS FOR THERMOCHEMICAL HYDROGEN PRODUCTION - This invention relates to hydrogen production using combined heat pumps and a thermochemical cycle. Low grade waste heat can be upgraded to higher temperatures via salt/ammonia and/or MgO/vapour chemical heat pumps, which release heat at successively higher temperatures through exothermic reactions, or vapour compression heat pumps that upgrade thermal energy with phase change fluids. Using this new approach, low grade heat or waste heat from nuclear or other industrial sources can be transformed to a useful energy supply for thermochemical hydrogen production. | 02-04-2010 |
20100051473 | HYDROGEN GENERATING SYSTEM AND OPERATING METHOD THEREFOR - A hydrogen generating system is equipped with a water electrolysis unit for producing hydrogen by performing electrolysis on pure water supplied from a pure water supply apparatus, with a back-pressure valve mechanism disposed in a hydrogen outlet port of the water electrolysis unit. The back-pressure valve mechanism is equipped with a first back-pressure valve, which sets a first back pressure, for discharging hydrogen to the outside of a hydrogen supply passage, and a second back-pressure valve, which sets a second back pressure at a higher pressure than the first back pressure, for extracting high-pressure hydrogen into the hydrogen supply passage. | 03-04-2010 |
20100089766 | Deep water generation of compressed hydrogen - A hydrogen generation vessel within which a reduction plate generates hydrogen by electrolysis of sea water. The hydrogen generation vessel operates at deep ocean levels to provide unexpected advantages. The operating depth is not limited because the hydrogen generation vessel includes openings at or near the bottom, and no pressure differential exists across the vessel walls. Pressure inside and outside are the same, and are determined by the depth at which the hydrogen generation vessel is positioned. Electrolysis, collection, and storage (temporary) take place in the same container. Since the hydrogen pressure is the same as the water pressure at the same depth, the hydrogen is pumped by simply opening a valve. | 04-15-2010 |
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 |
20100176003 | SEPARATOR PLATES, ION PUMPS, AND HYDROGEN FUEL INFRASTRUCTURE SYSTEMS AND METHODS FOR GENERATING HYDROGEN - Anode and cathode separator plates are suitable for use in ion pumps for converting an input stream such as reformate into a pressurized and purified hydrogen-rich gas stream. The plates may include a single cathode outlet opening forming a portion of cathode output gas manifold, an anode inlet opening forming a portion of an inlet gas stream manifold and being sized larger than inlet cathode outlet opening, the distance of the anode inlet opening to an edge of the plate being less than the distance of the cathode outlet opening from an edge of the plate, and the size of the fluid flow channel of the anode separator plate being smaller than the size of the fluid flow channel of the cathode separator plate. Methods for forming the plates and infrastructure systems are also disclosed. | 07-15-2010 |
20100206742 | ULTRASONIC TREATMENT CHAMBER FOR TREATING HYDROGEN ISOTOPES - A system is disclosed for treating hydrogen isotopes. Specifically, the system includes a treatment chamber that has an elongate housing through which liquid and gas isotopes flow longitudinally from an inlet port to an outlet port thereof. An elongate ultrasonic waveguide assembly extends within the housing and is operable at a predetermined ultrasonic frequency and a predetermined electrical potential to ultrasonically enhance the concentration of dissolved hydrogen gas isotopes within the housing or energize and electrolyze the liquid and gas isotopes within the housing. An elongate ultrasonic horn of the waveguide assembly is disposed at least in part intermediate the inlet and outlet ports, and has a plurality of discrete agitating members in contact with and extending transversely outward from the horn intermediate the inlet and outlet ports in longitudinally spaced relationship with each other. | 08-19-2010 |
20100213076 | APPARATUS AND METHOD FOR GAS CAPTURE DURING ELECTROLYSIS - In one embodiment of the present invention an electrolytic cell is provided comprising: a containment vessel configured for pressurization; a first electrode; a second electrode; a source of electrical current in electrical communication with the first electrode and the second electrode; an electrolyte in fluid communication with the first electrode and the second electrode; a first gas, wherein the first gas is formed during electrolysis at or near the first electrode; a second gas, wherein the second gas is formed during electrolysis at or near the second electrode; a separator; a first gas collection vessel; and a second gas collection vessel, wherein the separator includes a first inclined surface to direct flow of the electrolyte and the first gas due to a difference between density of the electrolyte and combined density of the electrolyte and the first gas such that the gas substantially flows in a direction distal the second electrode and towards the first gas collection vessel, and wherein the separator includes an second inclined surface to direct flow of the electrolyte and the second gas due to a difference between density of the electrolyte and combined density of the electrolyte and the second gas such that the gas substantially flows in a direction distal the first electrode and towards the second gas collection vessel. | 08-26-2010 |
20100230296 | Production of Hydrogen Gas From Sulfur-Containing Compounds - The described invention is a process for producing hydrogen gas comprising (a) combusting sulfur (S) or hydrogen sulfide (H | 09-16-2010 |
20100236939 | Deep water generation of compressed hydrogen - A hydrogen generating vessel wherein a reduction plate generates hydrogen by electrolysis of sea water. The hydrogen generating vessel operates at deep ocean levels to provide unexpected advantages. The operating depth is not limited because the hydrogen generating vessel includes openings at or near the bottom, and no pressure differential exists across the vessel walls. Pressure inside and outside are the same, and are determined by the depth at which the hydrogen generating vessel is installed. Electrolysis, collection, and temporary storage take place in the same container. Since the hydrogen pressure is the same as the water pressure at the same depth, the hydrogen is pumped by simply opening a release valve. Operation within recommended guidelines provides a self-cleaning mechanism. | 09-23-2010 |
20100243469 | Device and Method for Production of Hydrogen - A hydrogen producing rotating unit which is fitted and suspended in bearings | 09-30-2010 |
20100276300 | AQUEOUS MEDIUM MANAGEMENT VIA SUPER ABSORBENT MATERIALS - A super absorbent polymer material is contacted with an aqueous medium to absorb at least a portion of the aqueous medium. At least portion of the aqueous medium absorbed super absorbent material is subsequently regenerated to release water therefrom and to form a regenerated super absorbent material suitable for the contacting with a second quantity of an aqueous medium. Also disclosed are layered composites including an electrically conductive metal support layer, a layer of super absorbent material disposed thereon, and a layer of a selective semi-permeable material disposed adjacent the layer of the super absorbent material and spaced apart from the electrically conductive metal support layer. | 11-04-2010 |
20110083971 | PROCESS FOR PRODUCTION OF HYDROGEN FROM ANAEROBICALLY DECOMPOSED ORGANIC MATERIALS - A process for the production of hydrogen from anaerobically decomposed organic materials by applying an electric potential to the anaerobically decomposed organic materials, including landfill materials and sewage, to form hydrogen, and for decreasing the time required to treat these anaerobically decomposed organic materials. The organic materials decompose to volatile acids such as acetic acid, which may be hydrolyzed by electric current to form hydrogen. The process may be continuously run in sewage digestion tanks with the continuous feed of sewage, at landfill sites, or at any site having a supply of anaerobically decomposed or decomposable organic materials. | 04-14-2011 |
20110094894 | GENERATION OF HYDROGEN ON DEMAND - The methods and systems for producing hydrogen on demand use aluminum, a heat source and an electrical source, such as, but not limited to, solar power. The heat source and electrical source is used to produce chemical intermediates from sodium chloride via electrolysis. The chemical intermediates from the sodium chloride may be reacted with aluminum to produce hydrogen. The on-demand hydrogen systems can generate a continuous stream of hydrogen that can power a home or business. Alternatively, or in addition, the on-demand hydrogen system can be incorporated into a vehicle to power the vehicle. | 04-28-2011 |
20110114505 | SYSTEM AND METHOD FOR FUSING HYDROGEN INTO HELIUM - A system, method and apparatus for achieving an energy gain through fusion by removing electrons from a hydrogen atom prior to initiating fusion, including an electrolysis unit configured to manufacture hydrogen from water; an ionization chamber coupled to the electrolysis unit and configured to separate electrons from the manufactured hydrogen, wherein the electrons are separated from protons in a nucleus of a hydrogen atom; a proton collection chamber coupled to the ionization chamber and configured to collect the protons in a resting state; and a fusion chamber coupled to the proton collection chamber and configured to emit electromagnetic radiation on the collected protons to achieve fusion and an energy gain. | 05-19-2011 |
20110155583 | HIGH EFFICIENT HYDROGEN GENERATION WITH GREEN ENGERGY POWERS - A novel system and method for generating hydrogen by electrolysis of water from a green power source. Electricity generated by solar panel or wind mill is measured and connected with plurality of electrolysis stacks. The number of operating electrolysis stacks are constantly controlled by a controlling mechanism that calculates an optimal operating number of electrolysis stacks using the measured electricity parameter and the operating parameter of an electrolysis unit. | 06-30-2011 |
20110210010 | STEAM ELECTROLYSIS - The present invention relates to a method of producing hydrogen comprising: contacting steam | 09-01-2011 |
20110272293 | E-choice - The E-CHOICE fuel system makes uses the kinetic energy (created by movement of the vehicle), available at the drive and/or drag axle of the vehicle, by converting the axle(s) into a generator (G-Axle) to produce sufficient electrical energy to power an onboard electrolysis component (E-Tank). The E-Tank will produce pure hydrogen and oxygen for use as fuel in modified internal combustion engines. | 11-10-2011 |
20120031772 | HYDROGEN GENERATION - A hydrogen generator includes at least two electrolytic cells, each comprising a membrane electrode assembly incorporating a solid polymer electrolyte. The membrane electrode of a first cell is exposed to water and the hydrogen produced in this cell contacts the cathode surfaces of the successive electrolytic cells, wherein any water entrained in or carried over with the hydrogen produced in the first cell is the only significant feedstock for the successive electrolytic cells. | 02-09-2012 |
20120043221 | Method and Device for Generating and Storing Hydrogen - A method and device for charging a metal hydride hydrogen store ( | 02-23-2012 |
20120055805 | CAVITATION ASSISTED SONOCHEMICAL HYDROGEN PRODUCTION SYSTEM - Embodiments of the invention are directed to an electrolyte composition of matter comprising an aqueous solvent, at least one inorganic salt dissolved in said solvent; and at least one organic acid or salt thereof, the acid being substantially soluble in the aqueous solvent and being present at a concentration sufficient to support cavitation-assisted electrolytic combustion. Low molecular weight organic acids and inorganic salts are demonstrated herein as being useful for generating hydrogen. | 03-08-2012 |
20120091010 | ELECTROLYSIS METHOD, DEVICE AND SYSTEM - The invention relates to an electrolysis method, an electrolysis electrode, an electrolysis vessel, an electrolysis device, and a system for use of electrolysis gasses for combustion, in particular for combustion engines, for example piston or turbine engines, wherein an electrolysis electrode is artificially vibrated with a vibration frequency and said electric voltage of the electrolysis electrode oscillates with a lower harmonic frequency of said vibration frequency. | 04-19-2012 |
20120103829 | DEVICE FOR THE PRODUCTION ON-DEMAND OF HYDROGEN BY ELECTROLYSIS OF AQUEOUS SOLUTIONS FROM DRY CATHODE - This invention relates to a device for the electrolytic production of hydrogen which can operate discontinuously or associated to strong power fluctuations and provide dry pressurized directly hydrogen, with high purity. The device for the electrolytic production of hydrogen from an alkaline aqueous solution, starting from dry cathode, comprises two half-cell, anodic and cathodic, separated by an anionic exchange membrane whose surface in contact with the cathodic half-cell is a membrane-electrode assembly (MEA), and the alkaline solution is present only in the anodic half-cell | 05-03-2012 |
20120217169 | Molecular Molybdenum Persulfide and Related Catalysts for Generating Hydrogen from Water - New metal persulfido compositions of matter are described. :In one embodiment the metal is molybdenum and the metal persulfido complex mimics the structure and function of the triangular active edge site fragments of MoS | 08-30-2012 |
20120222967 | System and Method for Generating Hydrogen Gas Using Renewable Energy - A hydrogen generation system has a transparent cover and has a photovoltaic panel in the vessel. The photovoltaic panel generates the electricity for powering the electrolysis process. The photovoltaic panel may be submerged in the electrolyte solution, which acts to concentrate light rays onto the panel. The electrolyte solution may have an viologen additive, which dramatically increases hydrogen production, and enables the use of very low concentrations of acid. The photovoltaic panel may have a protective coating that both protects the photovoltaic structures, as well as increases conversion efficiency. Other structures, such as the cover, may be configured to further concentrate light rays onto the panel. In some examples, oxygen gas may also be collected, stored, and used. The generation system may also use an external electricity source for powering the electrolysis process when insufficient electricity is produced by the internal photovoltaic cell. | 09-06-2012 |
20120228152 | Molecular Metal-Oxo Catalysts for Generating Hydrogen from Water - A composition of matter suitable for the generation of hydrogen from water is described, the positively charged cation of the composition having the general formula [(PY5W | 09-13-2012 |
20120273366 | HYDROGEN OR OXYGEN ELECTROCHEMICAL PUMPING CATALYTIC MEMBRANE REACTOR AND ITS APPLICATIONS - The disclosed subject matter includes a new type of chemical reactor, described as hydrogen or oxygen electrochemical pumping catalytic membrane reactor. This new type of reactor is suitable for increasing the selectivity and the conversion rate of dehydrogenation, hydrogenation, deoxidation and oxidation reactions and namely in the direct amination reaction of hydrocarbons. This reactor can be used for the production of several chemical compounds, such as the direct amination of hydrocarbons and in particular for the synthesis of aniline from benzene. The disclosed subject matter includes a device and process wherein hydrogen is removed by electrochemical pumping of the hydrogen formed or by oxygen pumping so, as hydrogen is formed, it is oxidized. This new reactor exhibits benzene to aniline conversion higher than 40%. | 11-01-2012 |
20120279871 | HYDROGEN GAS GENERATOR - A hydrogen generating device comprising an anode, a cathode, a housing having an internal cavity and a perforated wall within the cavity electrically connected to the anode or the cathode and separating an end portion of the cavity from a main portion of the cavity. The device includes water in the housing extending continuously from the main portion of the cavity through the perforated wall and into the end portion of the cavity. The housing includes two ends and a perforated wall within the cavity near each end separating end portions of the cavity from a main portion of the cavity, the anode or the cathode extending through one end of the housing through one perforated wall into the main portion of the cavity, through the other perforated wall into the other end portion of the cavity and through the other end of the housing. | 11-08-2012 |
20130015077 | Hydrogen Generator Designed For Use With Gas And Diesel Engines - The invention is a unit that produces Hydrogen Gas (Browns Gas (HHO)) that can be used as an assist to diesel and gas engines. The gas is produced from distilled water, using our stainless steel plate design. The patent should apply to the internal plate placement and design. The internal design of the unit allows it to produce significantly more hydrogen, drawing significantly less current or electricity from its power source. The internal design is in the placement of positive, negative and neutral plates to produce the gas. | 01-17-2013 |
20130140190 | Method and apparatus for an efficient Hydrogen production - Disclosed is a method, apparatus and system for sorting ions. According to some embodiments of the present invention, ions may be sorted to produce hydrogen gas from water. The apparatus may include a first electric field source, an insulation layer to electrically isolate the first field sources from the water, a first deionization surface within a field line of the first field source; and a conductor connected to the first deionization surface and adapted to discharge charge built up due to attracted ions at the first deionization surface. | 06-06-2013 |
20130153438 | SYSTEM TO PRODUCE HYDROGEN GAS FUEL - A process for producing hydrogen gas fuel from water source or waste water source or a combination thereof, which includes the steps of generating electrical power by at least an electrical power supplying means or from a means to supply electrical power, storing the electrical power in at least an electrical power storage means, supplying electricity for pumping the from the water source or waste water source or a combination thereof to a hydrogen fuel electrolyzer while level of the water source or waste water source or a combination thereof within the electrolyzer and pump are controlled, and electrolyzing the water source or waste water source or a combination thereof in the presence of a catalyst solution such as potassium hydroxide, sodium hydroxide or ethanoic acid, having 2% to 6% v/v% (or any other unit that is appropriate) for a period of at least 0.03 hours to 60 hours to produce hydrogen gas fuel. | 06-20-2013 |
20130256152 | CELL - An electrolytic cell comprising an anode in an anode region and a cathode in a cathode region, the anode region and the cathode regions separated by an ion selective polymer electrolyte membrane; an anolyte in flowing fluid communication with the anode, the anolyte comprising water and a redox mediator couple which is at least partially oxidised at the anode in operation of the cell and at least partially reduced by reaction with water after such oxidation at the anode. | 10-03-2013 |
20130277229 | NOVEL METAL COMPLEX CATALYSTS AND USES THEREOF - The invention relates to novel metal complexes useful as catalysts in redox reactions (such as, hydrogen (H | 10-24-2013 |
20130334060 | HYDROGEN PRODUCTION FROM AN INTEGRATED ELECTROLYSIS CELL AND HYDROCARBON GASIFICATION REACTOR - An integrated process for hydrogen gas production includes:
| 12-19-2013 |
20140027304 | ELECTROCHEMICAL COMPRESSION SYSTEM - An electrochemical compressor includes one or more electrochemical cells through which a working fluid flows, and an external electrical energy source electrically connected to the electrochemical cell. Each electrochemical cell includes an anode connected to the electrical energy source; a cathode connected to the electrical energy source; an ion exchange membrane disposed between and in electrical contact with the cathode and the anode to pass an electrochemically motive material of the working fluid from the anode to the cathode, the ion exchange membrane comprising polar ionic groups attached to nonpolar chains; and a non-aqueous solvent comprising polar molecules, the polar molecules of the non-aqueous solvent being associated with and electrostatically attracted to the polar ionic groups of the ion exchange membrane. | 01-30-2014 |
20140048423 | MULTI-LAYER WATER-SPLITTING DEVICES - Water-splitting devices and methods for manufacturing water-splitting devices or solar cells is disclosed. The method seeks to provide a relatively high-volume, low-cost mass-production method. In one example, the method facilitates simultaneous co-assembly of one or more sub-units and two or more polymer films or sheets to form a water-splitting device. According to another aspect, there is provided an improved water-splitting device. In one example form, there is provided a water-splitting device which includes a first electrode for producing oxygen gas and a second electrode for producing hydrogen gas from water. The first electrode and the second electrode are positioned between a first outer polymer layer and a second outer polymer layer, and at least one spacer layer is positioned between the first outer polymer layer and the second outer polymer layer. | 02-20-2014 |
20140054181 | HYDROGEN GAS GENERATOR - A hydrogen generating device comprising an anode, a cathode, a housing having an internal cavity and a perforated wall within the cavity electrically connected to the anode or the cathode and separating an end portion of the cavity from a main portion of the cavity. The device includes water in the housing extending continuously from the main portion of the cavity through the perforated wall and into the end portion of the cavity. The housing includes two ends and a perforated wall within the cavity near each end separating end portions of the cavity from a main portion of the cavity, the anode or the cathode extending through one end of the housing through one perforated wall into the main portion of the cavity, through the other perforated wall into the other end portion of the cavity and through the other end of the housing. | 02-27-2014 |
20140291165 | METHOD FOR OPERATING A HIGH-TEMPERATURE ELECTROLYZER COMPRISING A STEP OF REDUCING THE MATERIAL OF THE CATHODES - A method for operating an installation for producing hydrogen including at least one high temperature electrolyzer for producing hydrogen, the electrolyzer including a plurality of elementary cells, each including a cathode and an anode separated by an electrolyte, the elementary cells being separated by an interconnection plate, each interconnection plate defining with an adjacent cathode a cathode compartment and with an adjacent anode an anode compartment, the cathodes being made from a cermet containing nickel, the method including: a) raising a temperature of the cells up to an operating temperature of the electrolyzer comprised between 650° C. and 950° C.; b) applying a potential difference on terminals of the elementary cells at least equal to 0.62 V. | 10-02-2014 |
20140311917 | HYDROGEN PRODUCTION PROCESS - A method is disclosed for producing high purity, high pressure hydrogen from a low pressure synthesis gas production process. The low pressure synthesis gas is produced from steam or carbon dioxide reforming of hydrocarbons, autothermal reforming of hydrocarbons or partial oxidation of hydrocarbons. The resulting low pressure synthesis gas mixture is fed to an electro-chemical cell wherein hydrogen is separated from the low pressure synthesis gas mixture and subjected to compression and high pressure; high purity hydrogen is recovered from the electro-chemical cell. | 10-23-2014 |
20150101936 | IRON-SULFUR COMPLEX AND METHOD FOR PRODUCING HYDROGEN USING THE SAME AS CATALYST - This invention relates to an iron-sulfur complex that is capable of efficiently catalyzing formation of hydrogen, and a method for producing hydrogen using the complex as a catalyst. The iron-sulfur complex provided herein comprises: a structure of formula (I) | 04-16-2015 |
20160010219 | MOLECULAR MOLYBDENUM PERSULFIDE AND RELATED CATALYSTS FOR GENERATING HYDROGEN FROM WATER | 01-14-2016 |
20160024665 | METHODS OF PRODUCING AND PROVIDING PURIFIED GAS USING AN ELECTROCHEMICAL CELL - In accordance with one embodiment, a method of producing hydrogen gas meeting a predetermined threshold of purity may include transferring a quantity of a hydrogen gas mixture through an electrochemical hydrogen pump, wherein the electrochemical hydrogen pump includes an anode, a cathode, and an electrolyte membrane located between the anode and the cathode; separating a quantity of hydrogen gas from the hydrogen gas mixture by transferring the hydrogen gas from the anode, through the electrolyte membrane, to the cathode; collecting the hydrogen gas from the cathode, wherein the collected hydrogen gas at least meets the predetermined threshold of purity; and producing a certificate that the collected hydrogen gas has a purity that is at least substantially equal to the predetermined threshold of purity. | 01-28-2016 |
20160053387 | LOW-ENERGY ELECTROCHEMICAL SEPARATION OF ISOTOPES - The invention relates to isotope separation methods, and methods for separating isotopes with low energy consumption, demonstrated using hydrogen isotopes. To this end, an isotope transfer electrochemical cell is provided, which comprises an anode plate and a cathode plate; current carrier plates with flow channels or mesh layers or porous material; a proton exchange membrane or solid polymer electrolyte membrane; and gas diffusion layers positioned on either side of the proton exchange membrane which together with the proton exchange membrane forms a membrane electrode assembly; and a housing containing the anode and cathode plates in operable arrangement with the membrane electrode assembly, and defining a hydrogen feed inlet on the anode, a product outlet on the cathode, an outlet for excess hydrogen on the anode, and internal flow paths for transfer of gases and fluids on either side of the membrane electrode assembly. Also described are methods for enriching or depleting the isotope present in the hydrogen gas/vapour feed e.g. for tritium removal, tritium enrichment and deuterium enrichment, by arranging a series of cells in a cascaded configuration. | 02-25-2016 |
20160060776 | HYDROGEN PRODUCTION SYSTEM AND METHOD FOR PRODUCING HYDROGEN - A hydrogen production system that achieves highly-efficient hydrogen production even when hydrogen is produced by using the plurality of cell stacks is provided. | 03-03-2016 |
20160068971 | CATLYSTS AND FUELS FOR PRODUCING HYDROGEN - Exemplary embodiments of methods and systems for hydrogen production using an electro-activated material (catalyst) are provided. The catalysts can be chosen from various elements that have characteristics that fall within a particular range. In some exemplary embodiments, a material can be electro-activated and used as a catalyst in a chemical reaction with a fuel such as water or another hydrogen containing molecule. Another fuel can also be added, such as aluminum, to generate hydrogen. Controlling the temperature of the reaction, the amount of the catalyst and/or the amounts of aluminum can provide hydrogen on demand at a desired rate of hydrogen generation. | 03-10-2016 |
20160068975 | ELECTROLYSIS DEVICE AND METHOD FOR OPERATING AN ELECTROLYSIS DEVICE - A method for operating an electrolysis device ( | 03-10-2016 |
20160102112 | DINITROSYL IRON COMPLEXES, USES THEREOF, AND WATER SPLITTING DEVICE USING THE SAME - Dinitrosyl iron complexes are disclosed, which are represented by the following formula (I): | 04-14-2016 |
20160122882 | HYDROGEN PRODUCTION SYSTEM AND METHOD FOR PRODUCING HYDROGEN - A hydrogen production system includes: a steam generator heating supplied raw water and generating steam; an electrolytic cell receiving the steam and generating hydrogen and oxygen through a high temperature electrolysis; a cooling unit cooling an unreacted part of the steam in the high temperature electrolysis and changing the unreacted part of the steam into steam condensate; a gas/liquid separator performing gas/liquid separation on the generated hydrogen and the generated steam condensate; a hydrogen compression unit compressing the separated hydrogen and transmitting thermal energy generated when the hydrogen is compressed, to the raw water; and a hydrogen storage unit storing the compressed hydrogen. | 05-05-2016 |
205638000 | Utilizing specified electrode | 27 |
20090045073 | Electrolysis cell comprising sulfur dioxide-depolarized anode and method of using the same in hydrogen generation - Electrolysis cell and method of using the same in hydrogen generation. According to one embodiment, the electrolysis cell includes a frame having an interior. A proton exchange membrane (PEM) is disposed within the frame to divide the interior into two chambers. An anode in the form of a gas diffusion electrode is disposed within the interior of the frame and is spaced apart from the PEM, the space between the anode and the PEM being filled with an aqueous sulfuric acid. A cathode is disposed within the interior of the frame and is ionically coupled to the PEM. In use, gaseous sulfur dioxide is delivered to the side of the anode facing away from the sulfuric acid solution, and a current is supplied to the electrolysis cell. Consequently, sulfur dioxide is oxidized at the anode, and molecular hydrogen is generated at the cathode. | 02-19-2009 |
20090071841 | WASTE TO HYDROGEN CONVERSION PROCESS AND RELATED APPARATUS - A reversible electrochemical system includes a first electrode comprising liquid silver metal and a second electrode, said first and second electrodes separated by a oxygen ion-conducting solid electrolyte; a conduit for directing a first reactive material across the second electrode; and a conduit for contacting second reactive material with the first liquid silver electrode, wherein the cell is capable of steam electrolysis when the polarity of the electrodes is selected such that the liquid silver is an anode and the cell is capable of electrical energy generation when the polarity of the electrodes is selected such that the liquid silver is a cathode. | 03-19-2009 |
20100089767 | HYDROGEN STORING METHOD AND UNIT - The invention relates to a method for storing hydrogen and for producing hydrogen in which, for storing hydrogen, a unit ( | 04-15-2010 |
20100200423 | HYDROGEN GENERATOR - The present disclosure relates to a hydrogen generator with electrode and insulator configurations for providing hydrogen for fuel and reduced energy purposes. | 08-12-2010 |
20110139631 | GAS GENERATION AND MANAGEMENT SYSTEM - A system for generating gas includes a gas source which includes a gas generator and a gas compressor. The system also includes a gas management apparatus in a flow path between the gas source and gas sink. The gas management apparatus includes a primary pressure vessel that stores gas when a gas source flow rate exceeds a gas sink flow rate, and that releases stored gas when the gas source flow rate is less than the gas sink flow rate. The gas management apparatus also includes a primary variable state material that absorbs the gas when in an absorptive state, and releases the gas in a releasing state. | 06-16-2011 |
20110214997 | MAGNETICALLY MODIFIED SEMICONDUCTOR ELECTRODES FOR PHOTOVOLTAICS, PHOTOELECTROSYNTHESIS, AND PHOTOCATALYSIS - A device for hydrogen gas production comprising a working electrode comprising a magnetically-modified semiconductor electrode. Onset of hydrogen gas evolution for the device, measured at a current density of about 0.4 mA/cm | 09-08-2011 |
20110233069 | METHOD AND SYSTEM FOR ELECTROCHEMICAL HYDROGEN GENERATION - An apparatus, a system and a method for electrochemical generation of hydrogen are disclosed. The apparatus may include a cathode, a polymer electrolyte membrane surrounding the cathode and a housing surrounding the polymer electrolyte membrane. The housing may include an anode electrically connected to the cathode. The system for electrochemical generation of hydrogen may include a water purifier in fluid communication with a hydrogen generating unit, an electrolyte source in fluid communication with the hydrogen generation unit and a power source electrically connected to the hydrogen generating unit. The method may include passing water and electrolyte into the hydrogen generation unit and applying a voltage between the anode and the cathode to generate hydrogen gas. | 09-29-2011 |
20110315562 | NOVEL ELECTROCHEMICAL METHOD FOR PRODUCING HYDROGEN, AND DEVICE FOR IMPLEMENTING SAME - An electrolysis device including a bioanode and a cathode catalyst, a method for implementing the same, and the use thereof for producing hydrogen. | 12-29-2011 |
20140353166 | NOVEL PROCESS FOR SCALABLE SYNTHESIS OF MOLYBDENUM DISULFIDE MONOLAYER AND FEW-LAYER FILMS - The present disclosure relates to nanosheet synthesis. More particularly, the present disclosure relates to molybdenum sulfide (MoS | 12-04-2014 |
20150090604 | METHOD FOR PREPARING A CATALYST MEDIATING H2 EVOLUTION, SAID CATALYST AND USES THEREOF - The present invention concerns a method for the preparation of a catalyst onto a solid support of a (semi-)conductive material consisting in depositing said catalyst onto said support from a near-neutral aqueous solution containing at least one nickel or cobalt organic complex and at least one basic oxoanion, by a method selected in the group consisting of reductive electrodeposition, photochemical electrodeposition and photoelectrochemical deposition. The present invention also concerns said catalyst and uses thereof. | 04-02-2015 |
20150315713 | Production of Low Temperature Electrolytic Hydrogen - In one embodiment of the present disclosure, a process for electrochemical hydrogen production is provided. The process includes providing an electrochemical cell with an anode side including an anode, a cathode side including a cathode, and a membrane separating the anode side from the cathode side. The process further includes feeding molecules of at least one gaseous reactant to the anode, oxidizing one or more molecules of the gaseous reactant at the anode to produce a gas product and protons, passing the protons through the membrane to the cathode, and reducing the protons at the cathode to form hydrogen gas. | 11-05-2015 |
20150322577 | METHOD FOR GENERATING HYDROGEN BY WATER SPLITTING, AND PHOTOELECTROCHEMICAL CELL AND SEMICONDUCTOR ELECTRODE USED THEREFOR - The present invention provides a method for generating hydrogen by water splitting at a higher hydrogen generation efficiency. In the present method, used is a photoelectrochemical cell comprising a container, a liquid stored in the container, a semiconductor electrode contained in the container, and a counter electrode contained in the container. The semiconductor electrode comprises a first semiconductor layer, a light-transmissive conductor layer; and a second semiconductor layer. | 11-12-2015 |
20160010229 | METHOD FOR SYNTHESIZING BIMETAL CATALYST PARTICLES MADE OF PLATINUM AND OF ANOTHER METAL AND USE THEREOF IN AN ELECTROCHEMICAL HYDROGEN PRODUCTION METHOD | 01-14-2016 |
20160090657 | A HYDROGEN GAS GENERATOR SYSTEM - A hydrogen gas generator system comprises a reactor stack adapted to perform electrolysis on water in an electrolyte solution, the reactor stack comprising a plurality of spaced apart electrode plates and electrolyte solution disposed between the plates, each plate having an upper outlet aperture and a lower inlet aperture to allow movement of electrolyte solution across the plates. A separator is configured to receive a mixture of gas and electrolyte solution from a top of the reactor stack and separate the gas from the electrolyte solution. A gas outlet configured to remove gas from the separator, and an electrolyte solution inlet configured to return electrolyte solution from the separator to a bottom of the reactor stack. The system comprises a pump configured to pump electrolyte solution in a circuit from the electrolyte solution outlet of the separator/reservoir, through the reactor stack at velocity, and back to the separator/reservoir, and in which in the upper and lower apertures are sufficiently large to allow pumped flow through the reactor stack. | 03-31-2016 |
20160121294 | MICROWAVE SYNTHESIS OF COBALT TUNGSTATE FOR USE AS STABLE OXYGEN EVOLUTION CATALYST - A process of forming an oxygen evolution catalyst includes the steps of: providing Co(NO | 05-05-2016 |
20160160365 | METAL NITRIDE CATALYSTS FOR PROMOTING A HYDROGEN EVOLUTION REACTION - The present invention provides metal nitrides and methods of making and using same, including using such metal nitrides as catalysts for hydrogen evolution reactions. | 06-09-2016 |
205639000 | Specified single metal or alloy | 11 |
20080245673 | Hydrogen generation system - The present invention provides a system for generating hydrogen gas in an aqueous solution based electrolytic or galvanic cell wherein the cathode is made from aluminum or an aluminum alloy. In a preferred arrangement the cell is a galvanic cell and cathode is made from aluminum or aluminum alloy and the anode is made from magnesium or magnesium alloy. | 10-09-2008 |
20080296171 | Multi-cell dual voltage electrolysis apparatus and method of using same - A method and apparatus for achieving high output efficiency from an electrolysis system ( | 12-04-2008 |
20080296172 | Pulsed electrolysis apparatus and method of using same - An electrolysis system ( | 12-04-2008 |
20090050489 | ELECTROCHEMICAL METHOD FOR PROVIDING HYDROGEN USING AMMONIA AND ETHANOL - An electrochemical method for providing hydrogen using ammonia, ethanol, or combinations thereof, comprising: forming an anode comprising a layered electrocatalyst, the layered electrocatalyst comprising at least one active metal layer deposited on a carbon support; providing a cathode comprising a conductor; disposing a basic electrolyte between the anode and the cathode; disposing a fuel within the basic electrolyte; and applying a current to the anode causing the oxidation of the fuel, forming hydrogen at the cathode. | 02-26-2009 |
20100258450 | APPARATUS FOR PRODUCING HYDROGEN FROM SALT WATER BY ELECTROLYSIS - An apparatus for producing hydrogen from salt water by electrolysis. The apparatus includes a cathode plate and an anode plate spaced apart from the cathode plate. The apparatus also includes a cathode end connector for electrically connecting the cathode plate to a negative terminal of a direct current electrical power supply, and an anode end connector for electrically connecting the anode plate to a positive terminal of the direct current electrical power supply. The cathode plate is made from aluminum, and the anode plate is made from zinc. The aluminum cathode plate may have a multiplicity of apertures therein. It has been determined that the aluminum cathode plate and the zinc anode plate tend to provide an effective combination for salt water electrolysis. | 10-14-2010 |
20120175270 | Electrode for Electrolytic Processes with Controlled Crystalline Structure - The invention relates to a cathode for electrolytic processes provided with a catalytic coating based on ruthenium crystallites with highly controlled size falling in a range of 1-10 nm. The coating can be produced by physical vapour deposition of a ruthenium or ruthenium oxide layer. | 07-12-2012 |
20130118913 | ELECTROCHEMICAL PROCESS AND DEVICE FOR HYDROGEN GENERATION AND STORAGE - Both the reaction of hydride-forming compositions with hydrogen to form hydrides, and the decomposition of such hydrides to release hydrogen may be promoted electrochemically. These reactions may be conducted reversibly, and if performed in a suitable cell, the cell will serve as a hydrogen storage and release device. | 05-16-2013 |
20140110271 | ELECTROCHEMICAL REFORMING OF OXYGENATE MIXTURES - The process describes performing electrolysis on an alkaline oxygenate mixture to produce hydrogen. In this process the electrolysis does not form any significant amounts of oxygen. | 04-24-2014 |
20140116890 | HYDROGEN EVOLUTION REACTION CATALYST - Systems and methods for a hydrogen evolution reaction catalyst are provided. Electrode material includes a plurality of clusters. The electrode exhibits bifunctionality with respect to the hydrogen evolution reaction. The electrode with clusters exhibits improved performance with respect to the intrinsic material of the electrode absent the clusters. | 05-01-2014 |
20150021197 | NOVEL METAL COMPLEX CATALYSTS AND USES THEREOF - The invention relates to novel metal complexes useful as catalysts in redox reactions (such as, hydrogen (H | 01-22-2015 |
20160153098 | SELF-IMPROVING ELECTROCATALYSTS FOR GAS EVOLUTION REACTIONS | 06-02-2016 |