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990
resultados
Última actualización
28/03/2026 [07:19:00]
Resultados 25 a 50 de 990
Resumen de: GB2644239A
A catalytic reactor 200 comprising a housing 202 coupled with a feedstock source configured to receive a flow of an inorganic compound in the gas phase that flows through the reactor. The housing includes a metal-based catalyst 106 selected to decompose the inorganic compound into one or more reaction products within a predefined temperature range. The metal based catalyst includes a heating agent that increases in temperature when exposed to a magnetic field. A coil 210 is positioned around the housing to provide the magnetic field to heat the metal-based catalyst using magnetic induction to be within the predefined temperature range. The amplitude of the magnetic field provided ranges from between 10 to 100 mT. Preferably the temperature range is between 300 and 700 °C.
Resumen de: CN121358894A
Proton exchange membranes are described. The proton exchange membrane includes: a reinforcing membrane; a continuous non-porous hydrogen recombination catalyst coating, the continuous non-porous hydrogen recombination catalyst coating comprising a mixture of a hydrogen recombination catalyst and a proton conducting ionomer; and a continuous non-porous cross-linked polyelectrolyte multilayer coating, the continuous non-porous cross-linked polyelectrolyte multilayer coating comprising alternating layers of a polycationic polymer and a polyanionic polymer. Catalyst coated membranes incorporating proton exchange membranes and methods of making proton exchange membranes are also described.
Resumen de: CN121175118A
Disclosed herein is a catalyst comprising a multi-component alloy having a single-phase structure. The multi-component alloy includes iridium, ruthenium, or a combination thereof in combination with at least four metals, wherein the at least four metals do not include platinum group metals. Methods of making the catalyst are also provided herein.
Resumen de: EP4715089A1
Ahydrogen generator includes a water tank configured to contain electrolysis water, an electrolysis module disposed in the water tank and configured to electrolyze the electrolysis water to generate a gas comprising hydrogen, a humidifying module having a humidifying chamber configured to contain supplement water, a diffusing device disposed in the humidifying module and configured to diffuse the gas comprising hydrogen, and a sound-proof shield disposed in the humidifying module and including a sound-proof cavity, a connecting tube communicating the water tank and the diffusing device, and a gas outlet. The gas comprising hydrogen flows through the connecting tube and the diffusing device to the supplement water in the sound-proof cavity, and then passes through the gas outlet to the humidifying chamber. The sound-proof shield blocks sound generated by the gas comprising hydrogen flowing in the device, thereby improving user experience.
Resumen de: WO2025017013A1
The present invention relates to an electrode comprising or consisting of an electrocatalyst, the electrocatalyst comprising a metal boride, wherein the metal boride comprises at least one element M1 selected from Ti, Zr and Hf, and at least one element M2 selected from Co, Ni, Ru, Rh, Pd, Ir and Pt; and the metal boride contains more than 10 atomic % of M2. The present invention also provides an electrode obtainable by subjecting the electrode to an electrocatalytic reaction. It also relates to an electrolyzer comprising said electrode. It is also concerned with a method for producing an electrode, and use of an electrode in an electrocatalytic reaction.
Resumen de: US20260078510A1
According to an embodiment, an electrolysis device includes a cathode for reducing a reduction target to generate a reduction product, an anode for oxidizing an oxidation target to produce an oxidation product, an electrolyte layer provided between the cathode and the anode, and the electrolyte layer including an electrolyte layer material containing at least one selected from the group consisting of a heat-resistant polymer, a solid acid, a solid acid salt, and a molten salt, and a first ion conductive material, and a control layer that is provided at least one of between the cathode and the electrolyte layer and between the anode and the electrolyte layer, and that includes a porous material and a second ion-conductive material supported in at least a part of pores of the porous material, wherein 0≤A≤B is satisfied, where A is an area of the second ion conductive material on a surface of the control layer on the cathode side or/and the anode side, and B is an area of the second ion conductive material on a surface of the control layer on the electrolyte layer side.
Resumen de: CN119020815A
The invention provides an electrode and a preparation method and application thereof, and belongs to the technical field of functional materials. The electrode comprises a substrate, a nickel transition layer wrapping the surface of the substrate and a porous active layer wrapping the surface of the nickel transition layer, the porous active layer is made of nickel-based alloy or cobalt-based alloy, and alloy elements in the nickel-based alloy and the cobalt-based alloy comprise zinc. The electrode provided by the invention has the characteristics of high activity, high stability and high binding force when being used for producing hydrogen by electrolyzing water.
Resumen de: WO2026019015A1
One embodiment of the present invention provides an anion-exchange membrane water electrolysis system incorporating a reference electrode, and a method for producing same. The anion-exchange membrane water electrolysis system incorporating a reference electrode according to one embodiment of the present invention places the reference electrode not between reduction (cathode) and oxidation (anode) electrodes but outside of a membrane electrode assembly, thereby allowing overvoltage of each electrode to be measured without degrading system performance.
Resumen de: WO2026059005A1
A reaction cell for an ammonia electrolysis reaction and an electrochemical hydrogen extraction system including same are disclosed. Specifically, a reaction cell (10) for use in an ammonia electrolysis reaction is provided, the reaction cell (10) comprising: an anode (100) comprising a first metal; a cathode (200) comprising a second metal; and a separator (300) positioned between the anode and the cathode and comprising a cation exchange membrane (310). The present invention provides a hydrogen production technology based on anhydrous ammonia electrolysis through cation exchange, thereby enabling production of high-purity, high-pressure hydrogen with low energy consumption.
Resumen de: US20260077326A1
The present invention is generally directed to a reactor for the production of low-carbon syngas from captured carbon dioxide and renewable hydrogen. The hydrogen is generated from water using an electrolyzer powered by renewable electricity or from any other method of low-carbon hydrogen production. The improved catalytic reactor is energy efficient and robust when operating at temperatures up to 1800° F. Carbon dioxide conversion efficiencies are greater than 75% with carbon monoxide selectivity of greater than 98%. The catalytic reactor is constructed of materials that are physically and chemically robust up to 1800° F. As a result, these materials are not reactive with the mixture of hydrogen and carbon dioxide or the carbon monoxide and steam products. The reactor materials do not have catalytic activity or modify the physical and chemical composition of the conversion catalyst. Electrical resistive heating elements are integrated into the catalytic bed of the reactor so that the internal temperature decreases by no more than 100° F. from the entrance at any point within the reactor. The catalytic process exhibits a reduction in performance of less than 0.5% per 1000 operational hours.
Resumen de: US20260078502A1
The electrochemical reaction device includes: an electrochemical reaction structure including a cathode, an anode, a diaphragm having a first surface on the cathode and a second surface on the anode, a cathode flow path, and an anode flow path; a first flow path through which a first fluid containing a reducible material to the cathode flow path flows; a second flow path through which a second fluid containing water to the anode flow path flows; a third flow path through which a third fluid containing the reduction product from the cathode flow path flows; and a fourth flow path through which a fourth fluid containing water and oxygen from the anode flow path flows. The diaphragm has concentration gradient in which a concentration of a chemical species decreases from the second surface to the first surface, the chemical species being configured to decompose, capture, or inactivate an active oxygen specie.
Resumen de: US20260078515A1
An electrochemical half-cell operates to form a gas at a solid surface which may be an electrode. The electrolyte liquid comprises an additive, which is a high molecular weight flexible linear polymer or a viscoelastic linear surfactant. A flow path through the half-cell is configured to compel flow of liquid through the half-cell to make a succession of changes of direction. The electrolyte liquid is pumped through the half-cell at a rate which is sufficient that the additive and flow path configuration put the flowing electrolyte in a state of elastic turbulence which causes bubbles of gas to detach from the surface on which they are formed while they are still small, freeing the surface area for further reaction. The half-cell may be part of an electrolyser making hydrogen and oxygen from water.
Resumen de: US20260078513A1
A method of operating an electrolyzer system includes operating the electrolyzer system in a steady state mode by providing steam, heat and electric power to at least one stack of electrolyzer cells to electrolyze the steam and generate a hydrogen containing product stream that is provided to a hydrogen processor; and operating the electrolyzer system in a hot isolated standby mode by stopping the provision of the steam to the at least one stack of electrolyzer cells, stopping the provision of the hydrogen containing product stream to the hydrogen processor, recycling the hydrogen containing product stream through the at least one stack of electrolyzer cells while providing the heat to the at least one stack of electrolyzer cells, and not providing external hydrogen from outside the electrolyzer system to the at least one stack of electrolyzer cells.
Resumen de: CN120981607A
A selective membrane is described that includes a porous polymer membrane and a selective material on at least one outer surface. A selective material comprising a composite material of an ion exchange polymer and zirconia particles (ZrO2) distributed throughout the ion exchange polymer may be applied as a liquid by a spray method. Selective membranes made by the methods described herein are suitable for alkaline water electrolysis applications.
Resumen de: US20260071340A1
A catalyst for water electrolysis electrode, a method for preparing the catalyst, and a water electrolysis electrode including the catalyst are provided. A catalyst for water electrolysis electrode according to an embodiment of the present disclosure includes a carbon structure doped with a first element and a second element, and an alloy nanoparticle doped with the first element. The alloy nanoparticle is supported on a surface of the carbon structure, and the first element is iron (Fe).
Resumen de: CN120882908A
The invention relates to an electrolysis cell system (10) comprising at least one electrolysis cell (20) comprising at least one steam inlet (41) and at least one exhaust gas outlet (38; 39), and a turbocharger (62) for compressing the exhaust gas from the electrolysis cell (20). The turbocharger (62) comprises a driving fluid inlet, a driving fluid outlet, a compressed fluid inlet, a compressed fluid outlet, a compressor (13) and a turbine (12). The turbine (12) is configured to drive the compressor (13). A driving fluid outlet of the turbocharger (62) is fluidly connected to at least one steam inlet (41) of the electrolysis cell (20). At least one exhaust gas outlet (38; 39) is fluidly connected to a compressed fluid inlet of the turbocharger (62). The system (10) may further include a steam source in fluid connection with the drive fluid inlet of the turbocharger (62) to power the turbine (12) using pressurized steam.
Resumen de: WO2026059567A1
A method and system for capturing carbon dioxide from the air with a carbon contactor (also referred as to a carbon capture device), using an carbonate lean/poor alkaline solution to produce a carbonate rich alkaline rich solution, sending the resulting carbonate rich solution to an electrolyzer to generate hydrogen gas, and using the hydrogen gas to power a power plant, the hydrogen gas either used alone, or blended with natural gas or ammonia, and at least some of the power generated by the power plant is used to power the contactor and the electrolyzer.
Resumen de: WO2026058474A1
This water electrolysis system is provided with: a hydrogen production device unit that comprises a water electrolysis stack unit that includes one or more water electrolysis stacks that produce oxygen and hydrogen through an electrolytic reaction; a power source that supplies direct-current power to the one or more water electrolysis stacks; a pure water supply piping system that supplies pure water; an oxygen outflow piping system that causes oxygen produced by the water electrolysis stack unit to flow out to the outside; a hydrogen outflow piping system that causes hydrogen produced by the water electrolysis stack unit to flow out to the outside; an insulation unit that electrically insulates between the hydrogen production device unit and the ground; electrically insulating first insulated piping that is disposed in part of the pure water supply piping system; electrically insulating second insulated piping that is disposed in part of the oxygen outflow piping system; and electrically insulating third insulated piping that is disposed in part of the hydrogen outflow piping system.
Resumen de: WO2026056375A1
The present application discloses a nitride Ta3N5, and a preparation method therefor and a use thereof. The specific method comprises: subjecting a precursor I to high-temperature hydrolysis to prepare TaOx having a small size; and by utilizing the characteristics of TaOx being amorphous and having a small particle radius, performing short-duration nitridation on same to prepare Ta3N5. The formation of low-valence metal defects is effectively reduced, the charge separation efficiency is improved, and water-splitting activity is exhibited in a photocatalytic water splitting reaction. Compared with Ta3N5 prepared by a conventional method, the activity of the product of the present application is significantly improved.
Resumen de: US20260078510A1
According to an embodiment, an electrolysis device includes a cathode for reducing a reduction target to generate a reduction product, an anode for oxidizing an oxidation target to produce an oxidation product, an electrolyte layer provided between the cathode and the anode, and the electrolyte layer including an electrolyte layer material containing at least one selected from the group consisting of a heat-resistant polymer, a solid acid, a solid acid salt, and a molten salt, and a first ion conductive material, and a control layer that is provided at least one of between the cathode and the electrolyte layer and between the anode and the electrolyte layer, and that includes a porous material and a second ion-conductive material supported in at least a part of pores of the porous material, wherein 0≤A≤B is satisfied, where A is an area of the second ion conductive material on a surface of the control layer on the cathode side or/and the anode side, and B is an area of the second ion conductive material on a surface of the control layer on the electrolyte layer side.
Resumen de: US20260078509A1
This invention discloses a Co3O4@IrOx catalyst, its preparation method, and its applications, belonging to the technical field of catalyst materials for hydrogen production through water electrolysis. The preparation method of the Co3O4@IrOx catalyst is as follows: using ZIF-67 as the core, adding a quaternary ammonium salt surfactant and an imidazole organic ligand, and reacting it with a zinc source to obtain a ZIF-67@ZIF-8 core-shell material; coating it on carbon paper to obtain a ZIF-67@ZIF-8 electrode sheet; pyrolyzing it to obtain a Co3O4@defective ZIF-8 electrode sheet; using a standard three-electrode system, with the Co3O4@defective ZIF-8 electrode sheet as the working electrode, performing pulsed potential etching in potassium hydroxide solution to obtain a Co3O4@vacancy-type ZIF-8 electrode sheet; and electrochemically depositing it in an iridium-containing potassium hydroxide solution to obtain the Co3O4@IrOx catalyst. The Co3O4@IrOx catalyst exhibits excellent hydrogen production capacity through water electrolysis.
Resumen de: US20260078508A1
The present invention discloses a nickel oxide-based iron-iridium bi-electrocatalytic catalyst, its preparation method and application, belonging to the technical field of catalytic materials. In the present invention, a nickel oxide material is prepared as a nickel oxide working electrode, and a mixed solution of an iron precursor, an iridium precursor, and an OH- source is used as an electrolyte. Iron-iridium bimetal is deposited on the nickel oxide working electrode by electrochemical deposition to obtain a nickel oxide-based iron-iridium bi-electrocatalytic catalyst. The preparation method provided by the present invention realizes the multi-scale dispersion of two metal elements, iron and iridium, on the surface of the nickel oxide support. This multi-scale structure not only provides abundant catalytic active sites, enabling the catalyst to more efficiently adsorb and activate reactants during the reaction process, but also significantly enhances the electron transfer efficiency, thereby improving the catalytic activity of the catalyst. In addition, the synergistic effect of iron and iridium optimizes the electronic structure of the catalyst, further improving its catalytic performance.
Resumen de: US20260078218A1
A block copolymer including one or more segments containing an ionic group (hereinafter referred to as an “ionic segment(s)”) and one or more segments containing no ionic group (hereinafter referred to as a “nonionic segment(s)”), wherein the ionic segment has an aromatic hydrocarbon polymer having a number-average molecular weight of more than 40,000 and 50,000 or less, and wherein the block copolymer satisfies the relation of: Mn3/(Mn1+Mn2)>1.5, wherein Mn1 represents the number-average molecular weight of the ionic segment, Mn2 represents the number-average molecular weight of the nonionic segment, and Mn3 represents the number-average molecular weight of the block copolymer. Provided is a block copolymer and a polymer electrolyte material produced using the same, wherein the block copolymer has excellent proton conductivity even under low-humidity conditions, has excellent mechanical strength and physical durability, and has an excellent in-process capability.
Resumen de: AU2025268573A1
The present invention relates to the technical field of the electrolysis of water, and specifically relates to a low-hydrogen-permeability proton exchange membrane, and a preparation method therefor and the use thereof. The proton exchange membrane comprises a Pt-containing additive layer and a matrix membrane, wherein the Pt-containing additive layer is composed of a Pt additive and a fluorine-containing proton exchange resin, the Pt-containing additive layer comprises an array layer and a flattening layer, the thickness ratio and the active-component ratio of the array layer to the flattening layer are respectively within the ranges of 1:(0.5-30) and 1:(1-50), and the array layer is composed of arrays arranged in order and an array layer resin coating the arrays. In the low-hydrogen-permeability proton exchange membrane provided by the present invention, by providing the Pt-containing additive layer consisting of the array layer and the flattening layer, the specific surface area of the Pt-containing additive layer is effectively increased by means of the arrays in the array layer, thereby achieving the efficient utilization of an additive; moreover, the hydrogen permeability improvement effect is further improved by controlling the thickness ratio and the active-component ratio of the array layer to the flattening layer and the parameters of the arrays.
Nº publicación: AU2024336964A1 19/03/2026
Solicitante:
HYSTAR AS
HYSTAR AS
Resumen de: AU2024336964A1
The present invention relates to a water electrolyser system for production of compressed hydrogen, comprising a water electrolyser stack, a multiphase pump arranged downstream of the electrolyser stack and a hydrogen gas/liquid separator. The multiphase pump is arranged between the water electrolyser stack and the hydrogen gas/liquid separator. The present invention also relates to a method for production of compressed hydrogen in a water electrolyser system including: supplying deionized water or liquid electrolyte to a water electrolyser stack; producing hydrogen in a water electrolyser stack; compressing a mixture of produced hydrogen and entrained deionized water or liquid electrolyte in a multiphase pump; and separating the compressed mixture of produced hydrogen and entrained deionized water or liquid electrolyte in a hydrogen gas/liquid separator.
BOPI
Sede Electrónica
