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741
resultados
Última actualización
29/04/2026 [07:04:00]
Resultados 25 a 50 de 741
Resumen de: EP4729655A1
A layered bipolar plate (208) is provided that includes a steel layer (402) and a titanium layer (404). The steel layer (402), which is configured to be exposed to water and H2, is in contact to the titanium layer (404), which is configured to be exposed to water and 02. The titanium layer has an area that is smaller than the steel layer.
Resumen de: EP4729660A2
Provided herein are alkaline electrolyzer systems comprising one or more components that improve the performance, efficiency, and/or longevity of the system. For example, the alkaline electrolyzer system may comprise one or more of (1) a filtration component comprising one or more filtration media, (2) an ion exchange component comprising at least one ion exchange resin, (3) a corrosion inhibition component configured to introduce at least one corrosion inhibitor into the electrolyte solution, and (4) a chelating agent component configured to introduce at least one chelating agent into the electrolyte solution.
Resumen de: EP4446467A1
0001 The present invention relates to an electrochemical electrode structure comprising at least one electrode element and a supportive element. Each electrode element is a two-dimensionally extended electrically conductive element with an open structure and has a first edge portion. The supportive element has a resilient region extending areally in a plane of the main extension of the resilient region. The resilient region is adapted to push the at least one electrode member away from the supportive element in a direction at least substantially perpendicular to the plane of the main extension of the resilient region. The supportive element has a first tongue region arranged at an edge of the supportive element. The first edge portion of the at least one electrode element is bent around the first tongue region of the supportive element thereby attaching the at least one electrode element to the supportive element. Moreover, the invention relates to an electrochemical cell and to a bipolar electrode assembly each comprising such an electrode element, to an electrochemical cell arrangement with a plurality of such bipolar electrode assemblies, as well as to a method of attaching an electrode element to a supportive element of such an electrochemical electrode structure.
Resumen de: WO2025022382A1
The present invention relates to a process of producing hydrogen gas from water vapor in the presence of an alkali metal, which is being recycled through the process.
Resumen de: WO2024088889A2
The invention relates to a pressure electrolyser (100) having a cell stack (10) comprising a plurality of electrolysis cells (12), and a pressure vessel (18) which is sealed from the ambient pressure and in which the cell stack is arranged. An internal seal (14) is arranged between two cell frames. The electrolysis cells (12) are clamped between a first stack end plate (22) and a further stack end plate (24). The pressure vessel has a pressure-resistant housing body (20), as well as the first stacking end plate (22) as top surface and the further stacking end plate (24) as base surface. At least one of the first stack end plate (22) or the further stack end plate (24) has an axial end plate projection (28), wherein an external seal (26) is clamped in the radial direction (Y) between the housing body (20) and a sealing section of the end plate projection (28). The sealing section has a cross-section which is inscribed in the cross-section of the working section and projects into the working section. The end plate projection (28) has a punch surface (23), which pushes the cell stack (10) in the axial direction (X).
Resumen de: JP2026066495A
0001 【課題】優れた触媒性能を示す二酸化炭素還元光触媒粒子の製造方法を提供すること。 【解決手段】二酸化炭素還元光触媒粒子の製造方法であって、以下の工程；母材粒子の表面に金属銀粒子を助触媒として担持して助触媒担持母材粒子を作製する工程、及び前記助触媒担持母材粒子を含む分散液に超音波を照射して二酸化炭素還元光触媒粒子を作製する工程を含む方法。 【選択図】図４
Resumen de: US12503781B2
0000 Herein discussed is a method of producing carbon monoxide or hydrogen or both simultaneously comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a mixed-conducting membrane between the anode and the cathode; (b) introducing a first stream to the anode, wherein the first stream comprises a hydrocarbon; and (c) introducing a second stream to the cathode, wherein the second stream comprises carbon dioxide or water or both, wherein carbon monoxide is generated from carbon dioxide electrochemically and hydrogen is generated from water electrochemically.
Resumen de: WO2024200434A1
The invention relates to a membrane electrode assembly (1) for a water electrolysis cell, comprising an anode (2), a cathode (3) and a hydrocarbon membrane lying between the anode (2) and the cathode (3), further comprising a first gas recombination layer (5) which is arranged between the anode (2) and the hydrocarbon membrane (4), wherein the first gas recombination layer (5) comprises a noble metal (6), a ceramic material (7) and a proton-conductive polymer (8), and wherein a volume portion of proton-conductive polymer (8) is 24 to 84 volume %, in particular 35 to 75 volume % and in particular 46 to 65 volume %, based on the total volume of the gas recombination layer (5).
Resumen de: WO2026079698A1
A hydrogen supply system for a ship according to one embodiment of the present disclosure may comprise: an ammonia tank (100) for storing liquid ammonia; a reforming unit (300) for decomposing ammonia supplied from the ammonia tank to produce hydrogen; and a first heat exchanger (210) for raising the temperature of a heat exchange medium, which vaporizes ammonia supplied from the ammonia tank through heat exchange, by heat exchange with seawater.
Resumen de: US20260103379A1
Process A process for producing hydrogen gas from the catalytic cracking of ammonia. The process comprises the step of supplying a hydrogen containing recycle gas taken from downstream of an ammonia cracking reactor to one or more catalyst containing reaction tubes disposed within the ammonia cracking reactor. The invention may be used to provide hydrogen gas as a non-carbon containing fuel.
Resumen de: AU2025228315A1
A method for operating a water electrolysis apparatus that comprises an electrolytic bath for electrolyzing water, a hydrogen separator to which hydrogen generated in the electrolytic bath is guided, an oxygen separator to which oxygen generated in the electrolytic bath is guided, and a vent line for discharging gas from the hydrogen separator or the oxygen separator and a vent valve provided to the vent line, the method comprising: a step for halting electrolysis of water in the electrolytic bath; and a step for determining whether or not a first index indicating the amount of increase in the concentration of oxygen in gas in the hydrogen separator or the concentration of hydrogen in gas in the oxygen separator has exceeded a first threshold after the electrolysis has been halted. When the first index exceeds the first threshold, the pressure in the hydrogen separator or the oxygen separator is lowered to a first prescribed value by opening the vent valve.
Resumen de: US20260106196A1
A hydrogen generation unit generates hydrogen by reacting a hydrogen carrier with a water-containing liquid. A main body includes the hydrogen generation unit. A collection container is attachable to and detachable from the main body, and collects a composition containing a byproduct generated together with hydrogen in the hydrogen generation unit. A detection unit detects a collected amount of the composition collected from the hydrogen generation unit by the collection container. A storage unit is provided on the collection container and stores information regarding the collected amount.
Resumen de: US20260103814A1
A water electrolysis electrode includes an electroconductive substrate and a layered double hydroxide layer. The layered double hydroxide layer is disposed on a surface of the electroconductive substrate. The layered double hydroxide layer includes a roughness layer. In the layered double hydroxide layer, the proportion of the thickness of the roughness layer to the thickness of the layered double hydroxide layer is 4.8% or more.
Resumen de: AU2024352660A1
The present invention relates to an integrated system for demineralization and/or purification of water and for the simultaneous production of hydrogen comprising a heat-dissipating element thermally connected to a system for demineralization and/or purification of water which is hydraulically connected to an electrochemical cell producing hydrogen, wherein the system for demineralization and/or purification of water is a system operating through the principle of thermal distillation via membrane and comprises at least two units, each comprising a first chamber, inside which waste water to be demineralized and/or purified flows under pressure and a second chamber, inside which demineralized and/or purified water flows under pressure in the opposite direction with respect to the direction of flow of the waste water, the two chambers being separated by a preferably microporous hydrophobic membrane, wherein the at least two units are placed thermally in series and hydraulically in parallel with continuous flow, wherein each unit is hydraulically connected to a source of waste water and a source of demineralized and/or purified water, in particular wherein each first chamber comprises an inlet portion, hydraulically connected to the source of waste water, for introduction into the first chamber of waste water, while each second chamber comprises an inlet portion, hydraulically connected to the source of demineralized and/or purified water, for introduction into the second chamber
Resumen de: WO2026078971A1
This ammonia decomposition catalyst comprises a core-shell carrier which has a core-shell structure that comprises a core which contains a core-forming material and a shell which contains a shell-forming material and covers the core, wherein: the shell-forming material in the shell carries a catalytically active metal and a reaction accelerator; the core-forming material is at least one selected from the group consisting of cordierite, α-alumina, silica, silica alumina, and silicon carbide; the shell-forming material is at least one selected from the group consisting of γ-alumina, θ-alumina, and cerium oxide; the catalytically active metal is at least one selected from the group consisting of Ru, Ni, Fe, and Co; and the reaction accelerator is at least one selected from the group consisting of alkali metals, alkaline earth metals, and rare earth elements.
Resumen de: WO2026076795A1
Disclosed in the present application is a hydrogen generator, comprising a housing, and an electrolytic cell, an electrolyte tank, a gas-liquid separator and a purification device which are mounted in the housing, wherein a diaphragm of the electrolytic cell is an anion exchange membrane, and the electrolytic cell is in communication with the electrolyte tank by means of a pipe; the gas-liquid separator is provided with a first gas intake end and a third gas output end, and the first gas intake end is in communication with a first gas output end of the electrolytic cell by means of a pipe; and the purification device is provided with a second gas intake end, and the third gas output end is in communication with the second gas intake end by means of a pipe.
Resumen de: US20260103807A1
Power is provided to an electrochemical cell. The electrochemical cell includes an anode side and a cathode side. Hydrogen sulfide in a liquid state is flowed to the anode side. Providing power to the electrochemical cell facilitates electrolysis of the hydrogen sulfide to produce sulfur and protons on the anode side. Providing power to the electrochemical cell facilitates reduction of protons to produce hydrogen on the cathode side. A membrane separating the anode side from the cathode side prevents flow of hydrogen sulfide and sulfur from passing through the membrane while allowing hydrogen cations to pass through the membrane. Sulfur is flowed out of the anode side. Hydrogen is flowed out of the cathode side.
Resumen de: AU2024418733A1
Provided is an operation method for a dehumidifier device for dehumidifying hydrogen gas produced by a hydrogen production device. The dehumidifier device comprises; a dehumidifier; a discharge line for discharging hydrogen gas dehumidified by the dehumidifier from the dehumidifier; a dew point measurement line connected to the discharge line; a dew point meter provided on the dew point measurement line; and an inlet valve and an outlet valve provided on opposite sides of the dew point meter on the dew point measurement line. The method includes: a stop step of stopping discharge of the hydrogen gas from the dehumidifier to the discharge line; and a maintenance step of maintaining a state in which a dew point meter installation part including at least a installation place of the dew point meter on the dew point measurement line is filled with dry gas when the discharge of the hydrogen gas from the dehumidifier to the discharge line is stopped.
Resumen de: WO2026077765A1
The present invention relates to a method of manufacturing a coated nickel substrate for use as an alkaline oxygen evolution anode, the coated nickel substrate obtainable by the method and the use of the coated nickel substrate as an alkaline oxygen evolution anode in an alkaline water electrolyser.
Resumen de: WO2026080664A1
Large scale harvesting of renewable energy is proposed by using floating devices which use solar, wind, ocean current, and wave energy to produce compressed hydrogen by electrolysis of deep sea water. Natural ocean currents and winds are used to allow the devices to gather energy from over a large area with minimum transportation cost. The present approach uses a combination of well understood technologies in an optimized manner and at scale. Hydrogen produced in this manner would pave the way for carbon free energy economy.
Resumen de: WO2026079330A1
The present disclosure provides a laminate having excellent durability, a catalyst layer for an electrolyte membrane, a catalyst-coated electrolyte membrane, a water electrolysis device, and a method for producing hydrogen. This laminate has, in the given order, (α) an ionomer layer containing a metal, a metal oxide, or both, (β) an electrolyte membrane, and (γ) an ionomer layer containing a metal, a metal oxide, or both, the laminate satisfying numerical formula (1) when measurement by cyclic voltammetry was performed using carbon on a cathode side and nickel on an anode side, with the redox current difference at 0.7 V defined as I0.7 and the redox current difference at 1.1 V defined as I1.1. (Formula 1) (1) 0.84 ≦ I1.1/I0.7 ≦ 1.13
Resumen de: WO2026079834A1
The present invention relates to a manufacturing apparatus comprising a recirculation line of hydrogen generated during the manufacture of methane and solid carbon from carbon dioxide, a manufacturing method using same, and solid carbon manufactured thereby. More specifically, the manufacturing apparatus comprises: a gas supplier for supplying a mixed gas comprising carbon dioxide and hydrogen; a first reactor for synthesizing carbon dioxide and hydrogen in the mixed gas supplied from the gas supplier into hydrocarbons according to a controlled supply ratio; a first gas separator for separating hydrocarbons from products and unreacted materials of the first reactor; a second reactor for generating solid carbon through decomposition of the hydrocarbons separated by the first gas separator; a second gas separator for recovering and storing hydrocarbons through gas separation of gas generated after reaction and unreacted hydrocarbons from the second reactor; and a recirculation line for recirculating at least one of gas by-products, unreacted carbon dioxide, and hydrogen generated from the first reactor, the first gas separator, the second reactor, and the second gas separator to the gas supplier.
Resumen de: WO2026078368A1
An electrolyser and a method for operating the electrolyser for producing hydrogen are provided. The electrolyser and method mitigate performance degradation commonly 5 resulting during shutdown periods. The electrolyser comprises a stack of electrolysis cells, a primary power supply and a secondary power supply. During periods of operation the electrolyser is adapted to produce hydrogen when an electrical voltage from the primary power supply is applied to the stack, and during periods of non-operation the secondary power supply is configured to apply an electrical voltage to the stack sufficient to inhibit 10 degradation of the stack.
Resumen de: US20260103810A1
An apparatus for generation of carbon dioxide and hydrogen from a saline water source is disclosed. The apparatus includes an anodic compartment, an anode disposed on a first side of the anodic compartment, a cathodic compartment, a cathode disposed on a first side of the cathodic compartment, a first cation permeable fluidic separator disposed on a second side of the anodic compartment, a second cation permeable fluidic separator disposed on a second side of the cathodic compartment, a first center compartment, and a second center compartment. The first center compartment is defined between the second center compartment and the second cation permeable fluidic separator. The second center compartment is defined between the first cation permeable fluidic separator and the first center compartment. The outlet of the first center compartment is one of fluidly connectable to or in fluid communication with the inlet of the second center compartment.
Nº publicación: US20260103812A1 16/04/2026
Solicitante:
ESPOSITO DANIEL V [US]
COHEN LUCAS [US]
UNIV COLUMBIA [US]
Resumen de: US20260103812A1
Water electrolysis systems are provided with ultra-thin, porous oxide-compound membranes for the production of hydrogen and oxygen product effluent streams. The electrolysis systems include one or more membrane-electrode assemblies with oxide-compound membranes fabricated using atomic layer deposition and wet chemical processes. The membrane-electrode assemblies also include gas diffusion layer and porous transport layer electrodes, and porous hydrogen evolution reaction and oxygen evolution reaction catalyst layers disposed between the electrodes and the membrane. The oxide-compound membranes, composed of SiOx, TiOx, and/or WOx, can increase electrolysis efficiency by 20% at high current densities compared to conventional systems utilizing Nafion. The enhanced performance is in part due to the lower ionic resistance of the oxide-compound membranes that are several orders of magnitude thinner than conventional Nafion membranes (<1 μM), e.g., potential ionic resistances below 0.2 V at current densities of 5 A/cm2 or higher from reduced ohmic losses.
BOPI
Sede Electrónica
