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938
resultados
Última actualización
26/03/2026 [07:05:00]
Resultados 25 a 50 de 938
Resumen de: WO2026057209A1
The invention relates to an apparatus (10) for producing hydrogen from water by means of electrical current, the apparatus comprising: a plurality of electrolysis devices (11), each electrolysis device (11) having at least one water supply connection (13), at least one water discharge connection (14), and at least one hydrogen discharge connection (15), each electrolysis device (11) being connected, via its at least one water supply connection (13), to a water supply line (16), via its at least one water discharge connection (14) to a discharge line (17) for water and oxygen, and via its at least one hydrogen discharge connection (15) to a discharge line (18) for hydrogen; a housing or frame (19) in which the electrolysis devices (11) are arranged; an inert gas generation device (20) which is designed to generate inert gas in situ within the apparatus (10), wherein each electrolysis device (11) and/or the discharge line (18) for hydrogen and/or a device (22) arranged in the hydrogen discharge line (18) for processing the hydrogen and/or the discharge line (17) for water and oxygen and/or a device (23) arranged in the discharge line (17) for water and oxygen for removing oxygen from the discharged water and/or the housing or frame (19) can be flushed with inert gas generated by the inert gas generation device (20).
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: 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: 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.
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.
Resumen de: WO2026059452A1
The present invention relates to a cell, an electrode and a method for producing hydrogen. The cell comprises a first and second electrode, wherein the first electrode is constituted by a cathode constituted by a Ni-SGPA material deposited on a substrate and the second electrode is constituted by an anode and a reference electrode, an electrolyte comprising H2SO4, and an electric power supply for applying a pulsed voltage.
Resumen de: GB2700815A
A hydrogen extraction system for extracting hydrogen from a liquid electrolyte 102 comprising at least one isotopologue of lithium hydride (LiH), the system including an electrolysis cell 100 comprising an anode 108 for generating hydrogen from the liquid electrolyte 102, a cathode 110 spaced apart from the anode 108, and a solid-state electrolyte 112 comprising a lithium-containing high entropy oxide (HEO) material physically isolating the cathode 110 from the liquid electrolyte 102 and conducting lithium ions from the liquid electrolyte 102 to the cathode 110. Use of a HEO comprising solid-state electrolyte in the electrolytic extraction of hydrogen from a liquid electrolyte comprising at least one isotopologue of lithium hydride, and a method of extracting hydrogen from a liquid electrolyte comprising at least one isotopologue of lithium hydride using the extraction system are defined. Further specified is a tritium breeding system comprising the hydrogen extraction system and a breeder blanket, the breeding system configured to supply liquid electrolyte comprising at least one tritium-containing isotopologue of lithium hydride to the electrolysis cell from the breeder blanket and to return liquid electrolyte to the breeder blanket from the electrolysis cell following electrolysis of the at least one tritium-containing isotopologue of lithium hydride. Figure 1
Resumen de: FI20246132A1
The application relates to a method and an apparatus for forming a feedstock for a steam cracking process. Hydrogen gas (4) and a feed (1) comprising at least carbon dioxide are fed to a first reactor (2) in which the feed reacts with the hydrogen to form a synthesis gas (3) comprising at least carbon monoxide, and the synthesis gas is supplied to a second reactor (6) in which the synthesis gas is treated in the presence of a synthesis catalyst to form a hydrocarbon composition (7) comprising at least naphtha range hydrocarbons. Undesired hydrocarbons, unreacted gases and/or water are separated from the hydrocarbon composition (7) and a fraction of the hydrocarbon composition (8) which comprises at east naphtha range hydrocarbons is formed. The fraction of the hydrocarbon composition is treated by a hydrotreatment (10) in which hydrogenation and hydrodeoxygenation reactions are carried out in the presence of at least one hydrotreatment catalyst in one or more reactors for modifying the fraction (8) to form a modified hydrocarbon composition (11), and the feedstock is formed from the modified hydrocarbon composition.
Resumen de: CN121368648A
The present invention relates to an electrolysis system comprising: a tank adapted to contain water or an aqueous solution; the electrolysis array comprises a conductive plate; the temperature-resistant cathode is close to but separated from the cathode end of the electrolysis array; a cell anode proximate but spaced apart from opposing anode ends of the electrolysis array; wherein a cathode terminal and an anode terminal of the electrolysis array are electrically connected to a cathode terminal and an anode terminal of a first power source adapted to provide direct current (DC) power thereto, respectively; the temperature-resistant cathode and the tank anode are electrically connected to a negative terminal and a positive terminal of a second power source adapted to provide DC power thereto, respectively; and at least the temperature resistant cathode is adapted to generate a plasma arc in the water or aqueous solution between the end of the temperature resistant cathode and the closest plate in the electrolysis array.
Resumen de: EP4711504A1
An ink 1a for water electrolysis electrode catalyst includes a catalyst 11, a support 15, an organic polymer 12, and a solvent 13 including water. The catalyst 11 includes at least one transition metal. The support 15 supports the catalyst 11 and includes a transition metal. The organic polymer 12 includes a water-insoluble polymer 12b and a nonionic water-soluble polymer 12a.
Resumen de: EP4711483A1
The present invention provides a heat-resistant alloy that is excellent in nitriding resistance and high-temperature creep rupture strength. The heat-resistant alloy of the present invention comprises, in mass %, C: 0.2% to 0.6%, Si: greater than 0% to 2.5% or less, Mn: greater than 0% to 2.0% or less, P: 0.03% or less, S: 0.03% or less, Ni: 33.0% to 50.0%, Cr: 24.0% to 50.0%, with the remainder being Fe and impurities, and optionally including: Nb: greater than 0% to 1.8% or less, Rare Earth Elements: greater than 0% to 0.5% or less, Ti: greater than 0% to 0.5% or less and/or Zr: greater than 0% to 0.5% or less, W: greater than 0% to 2.0% or less and/or Mo: greater than 0% to 0.5% or less.
Resumen de: GB2644070A
A system comprising an electrochemical half cell which operates to form a gas at a solid surface, which may be an electrode 54,55. The electrolyte liquid contains an additive which is a high molecular weight flexible linear polymer or viscoelastic linear surfactant. A flow path through the half cell 51L, 51R is configured to compel flow of liquid through the half cell 51L, 51R to make a succession of changes of direction. The electrolyte liquid is pumped through the half cell 51L, 51R 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 for further reaction. The half cell 51L, 51R may be part of an electrolyser making hydrogen and oxygen from water.
Resumen de: EP4711036A1
A system can include a catalytic reactor heated using magnetic induction to perform a magnetically induced decomposition reaction. The catalytic reactor can include a housing coupled with a feedstock source to receive a flow of an inorganic compound in gaseous form that can flow through the catalytic reactor. The housing can include a metal-based catalyst selected to decompose the inorganic compound into one or more reaction products within a predefined temperature range. The metal-based catalyst can include a heating agent that can increase in temperature when exposed to a magnetic field. A coil can be 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.
Resumen de: EP4711499A1
An electrochemical half-cell operates to form a gas at a solid surface which may be an electrode. The electrolyte liquid contains 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 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: EP4711327A1
A corrosion-resistant system, a carbon-free power generation and fuel cell system comprising the corrosion-resistant system, and a method for ammonia decomposition utilizing said corrosion-resistant system are provided. The corrosion-resistant system includes: an ammonia supply unit; a first pipe connected to the ammonia supply unit; an ammonia decomposition unit comprising a chamber connected to the first pipe; and a second pipe connected to the chamber, wherein the chamber is configured to operate at an operating temperature of 410°C or lower, the first pipe and the chamber comprise at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel and a nickel-based alloy, and the second pipe comprises a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm
Nº publicación: EP4711328A1 18/03/2026
Solicitante:
SK INNOVATION CO LTD [KR]
SK Innovation Co., Ltd
Resumen de: EP4711328A1
Disclosed are an ammonia supply system, a hydrogen production system, a carbon-free power generation system and a fuel cell system. The ammonia supply system includes: an ammonia supply unit; an ammonia demand unit; a connection line that is arranged to connect the ammonia supply unit and the ammonia demand unit; a hydrogen supply unit; and one or more first hydrogen supply lines that are arranged to connect the hydrogen supply unit and the connection line, and are configured to supply a hydrogen gas stream, wherein the connection line includes a first pipe configured to be controlled to an average temperature of 410°C or lower and a second pipe configured to be controlled to an average temperature of greater than 410°C, and the second pipe includes a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm,
BOPI
Sede Electrónica
