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37
resultados
Última actualización
01/11/2026 [07:55:00]
Resumen de: US20260337792A1
The invention relates to an electrolysis system for generating hydrogen and oxygen as product gases, including an electrolysis module and a process unit, wherein the process unit has a reactant line for supplying process water and a product line, each of which is connected to the electrolysis module, and the process unit is equipped with a thermally insulating insulation device, including a thermal insulating material, such that a slow cooling of the process water is produced during a standstill operation.
Resumen de: US20260337789A1
An electrolyzer system includes a hotbox, stacks of electrolyzer cells located in the hotbox and configured to receive steam and air, and to output a hydrogen stream and an oxygen exhaust, an air recuperator heat exchanger surrounding the stacks in the hotbox and configured to heat the air received by the stacks by extracting heat from the oxygen exhaust output from the stacks, an exhaust conduit configured to output the oxygen exhaust from the hotbox, and an exhaust restrictor configured to increase back pressure of oxygen exhaust flow between an outlet of the air recuperator heat exchanger and the exhaust conduit.
Resumen de: US20260337791A1
An electrolysis cell for chlor-alkali or alkaline water electrolysis comprises two cell elements each defining an electrode chamber by providing a back wall and sidewalls of the electrode chambers, an electrode accommodated in each of the electrode chambers, a sheet-like separator extending in a height direction and a width direction of the electrolysis cell, the separator being interposed in a joint between the two cell elements and providing a separating wall between the electrode chambers, and a plurality of support members supporting at least one of the electrodes on the respective back wall, wherein the support members each comprise two support portions standing upright on the back wall and extending in the height direction of the electrolysis cell, and two foot portions attached to the respective support portion in an angled manner for a planar contact with the back wall, wherein the support portions of the support members are connected to each other by an arched portion being arched outwardly towards the supported electrode and providing a resilient bearing surface for the supported electrode, wherein the bearing surface is enlarged upon inwards-directed deflections of the arched portion.
Resumen de: US20260337801A1
The present invention relates to the electrochemical production of hydrogen and lithium hydroxide from Li+-containing water using a LiSICon membrane. The problem addressed by the present invention is that of specifying a process which is operable economically even on an industrial scale. The process shall especially exhibit a high energy efficiency and achieve a long service life of the membrane even when the employed feed contains impurities harmful to LiSICon materials. A particular aspect of the process is that the cell simultaneously separates off the lithium via the membrane and effects electrolysis of water. An essential aspect of the process is that the electrochemical process is performed in a basic environment, more precisely at pH 9 to 13. The pH is adjusted by addition of a basic compound to the feed.
Resumen de: US20260337797A1
The present invention discloses a water electrolysis device including a metal particle fluidic electrode. The water electrolysis device of the present invention includes a cathode; a first fluid channel formed on the cathode; a cation exchange membrane (CEM) formed on the first fluid channel; a second fluid channel formed on the cation exchange membrane; and an anode formed on the second fluid channel, wherein the second fluid channel includes metal particles and is used as a metal particle fluidic electrode.
Resumen de: US20260337015A1
An energy system includes a natural or enhanced geothermal reservoir having a subsurface rock formation and an energy source integrated into the natural or enhanced geothermal reservoir configured to convert heat to energy. The energy source can include at least one of: a hydrogen source included in the subsurface rock formation, a methane or other hydrocarbon gas source, and a dihydrogen sulfide source. The dihydrogen sulfide and the methane or other hydrocarbon gas source can be converted to hydrogen and an associated carbon dioxide or sulfur reaction product can also be sequestered by mineralization in the subsurface rock formation following the conversion.
Resumen de: US20260337137A1
An integrated energy system (IES) including a power plant is discussed herein. In some examples, the IES may include a power plant configured to generate steam, a Low-Temperature Methane Steam Reforming plant configured to receive at least a portion of the steam from the power plant to react with Methane within the Low-Temperature Methane Steam Reforming plant to produce Hydrogen, first Carbon Monoxide, and Carbon Dioxide, a first separation unit configured to separate the Hydrogen, the first Carbon Monoxide, and the Carbon Dioxide, a Solid Oxide Electrolysis Stack configured to receive at least a portion of the Carbon Dioxide and to produce second Carbon Monoxide and Oxygen, a second separation unit configured to separate the Carbon Dioxide from the second Carbon Monoxide, and a methanol synthesis reactor configured to receive at least a portion of the Hydrogen and at least a portion of the second Carbon Monoxide to produce Methanol.
Resumen de: US20260341623A1
The embodiments of the present application provide an oxide photocathode material and a method for fabricating the photocathode. The photocathode material includes an ATiO3-type material with a perovskite structure, where A is an alkaline earth metal element. The novel photocathode material provided by the embodiments of this application is an alkaline earth-titanium oxide, which features simple fabrication, activation, and reactivation processes, high photoelectric emission brightness, excellent monochromaticity, high collimation, stable performance, and reusability. Moreover, this photocathode material does not contain precious metals or harmful elements, has low production costs, and enables controllable mass production.
Resumen de: US20260337802A1
The present invention provides a pretreatment method for preparing ultra-pure hydrogen and ultra-pure oxygen, comprising steps: before desalinated water entering an electrolytic cell, desalinated water being fed into the top of a storage tank through a desalinated water pipe; at the same time, using hydrogen gas or oxygen gas as a stripping gas, being fed into the top of a storage tank through a gas supply pipe for performing atomization and stripping pretreatment of desalinated water; before desalinated water entering an electrolytic cell, hydrogen gas or oxygen gas being fed into the bottom of a storage tank through a gas supply pipe, using hydrogen gas or oxygen gas to perform bubbling, redundant stripping, and to provide a slightly-positive pressure blanketing on pre-treated desalinated water; performing water-mist separation on the exhaust of a storage tank, of which the water in supersaturated water vapor being captured and recycled to a storage tank. In the pretreatment method provided by the present invention, the desalinated water after stripping subsequently enters the electrolytic cell to be decomposed into hydrogen and oxygen, and then through catalytic deoxygenation/dehydrogenation, condensation drainage and molecular sieve adsorption drying, ultrapure hydrogen meeting the requirements of GB/T 3634.2-2011 and ultra pure oxygen meeting the requirements of GB/T 14599-2008 are produced, and at the same time, the production, equipment and maintenance costs are greatl
Resumen de: US20260337798A1
The invention provides bi-functional catalysts and electrodes based on Earth abundant metals, catalyzing cathodic hydrogen evolution and anodic oxygen evolution. The catalysts and electrodes are efficient for various electrochemical applications, including water splitting.
Resumen de: US20260341753A1
A hydrogen-generating composition is a powder mixture. The powder mixture includes a metal powder, an alkaline metal oxide powder, and at least one third powder that is a post-transitional metal oxide powder, a chloride salt powder of an alkali metal, a chloride salt powder of an alkaline earth metal, or combinations thereof. A fuel cartridge includes a hydrogen-generating composition contained within a fuel cartridge. The fuel cartridge has a water-permeable top section and base section made of metal or plastic or other material. A method of forming a hydrogen-generating composition includes providing powders having a predetermined particle size and mixing the powders to form the hydrogen-generating composition.
Resumen de: AU2025298623A1
Disclosed is a novel technology for applying SOEC in a direct reduction process in which a shaft furnace is used. A hydrogen reduction system according to the present disclosure has a shaft furnace, a reducing gas supply device, a reducing gas heating device, a source material pretreatment device, and a hydrogen production device. In this hydrogen reduction system, a reducing gas is supplied to the shaft furnace via the reducing gas supply device and the reducing gas heating device, and a 600°C to 900°C iron oxide source material is supplied to the shaft furnace via the source material pretreatment device. The hydrogen production device has an SOEC, and the SOEC uses a steam-containing gas which has been discharged from the shaft furnace to produce hydrogen gas. The hydrogen gas produced by the SOEC is used as a reducing gas.
Resumen de: AU2025279230A1
A method for electrolyzing water according to the present invention is a method for splitting water with the use of a PEM water electrolysis device which is provided with a cell in which a cathode, an electrolyte membrane, a porous transport layer, and an anode are stacked, wherein: the porous transport layer has a titanium porous body; in the electrolyte membrane-side surface of the titanium porous body, the average value of the areas of pores that open to the surface is 5 μm2 to 45 μm2 inclusive; the standard deviation value of the areas of the pores is 90 μm2 or less; the number of the pores that are present within a rectangular region that has an area of 22,000 μm2 and an aspect ratio of 4:3 is 120 or more; and the pressure applied in the stacking direction of the cathode, the electrolyte membrane, the porous transport layer, and the anode at the time of assembling the cell is set to 6 MPa or more.
Resumen de: AU2025259042A1
This disclosure describes freestanding or delaminated two-dimensional (2D) sheets of at least dual modified functionalised MXene materials, Mn+1XnTx, having electronegative surface groups and non-metal dopant and electrochemically active dopant atoms in the materials, suitable as OER catalysts.
Resumen de: US20260337043A1
The present disclosure provides a preparation method for magnesium oxide with highly exposed {111} crystal planes and use thereof, the preparation method comprises the following steps: (1) uniformly mixing an aqueous solution of a surfactant with a mixed salt solution, and after a reaction, obtaining a precipitated suspension; wherein the mixed salt solution contains Mg2+, Zn2+, and Ba2+; and (2) allowing the precipitated suspension to stand for aging, then performing solid-liquid separation, drying, and calcination to obtain magnesium oxide with highly exposed {111} crystal planes. The magnesium oxide with highly exposed {111} crystal planes prepared by the present disclosure exhibits excellent catalytic performance, high activity, and strong stability when used as a catalyst support in ammonia decomposition for hydrogen production.
Resumen de: US20260337016A1
Ammonia is decomposed in an electric reactor at a low pressure to produce a mixture of hydrogen (H2) and nitrogen (N2). The electric reactor is powered by an electrical energy input produced by a direct ammonia fuel cell (DAFC). The DAFC uses unreacted ammonia from the decomposition reaction as a fuel source to produce electrical energy. After the decomposition of ammonia, H2 and N2 gas mixture is separated at a low pressure using a vacuum thermal swing adsorption (VTSA) subsystem, without requiring further gas compression. The VTSA subsystem uses vacuum and thermal energy recovered by a waste heat recovery system to desorb N2, resulting in an effluent stream of H2. A portion of the electrical energy from the DAFC is used to operate the VTSA subsystem.
Resumen de: US20260337800A1
A membrane adapted for alkaline water electrolysis is disclosed together with an alkaline water electrolysis device containing the membrane. A method for producing hydrogen, and a method for producing a membrane for alkaline water electrolysis are also disclosed.
Resumen de: EP4831350A1
A laminate is provided that can electrolyze an oxygen compound gas, such as CO2, with high conversion efficiency and can help prevent deterioration of electrolysis performance. In the laminate having a structure in which an electrolyte layer is sandwiched between an anode catalyst layer and a cathode catalyst layer, the cathode catalyst layer contains a perovskite oxide and CuFe2O4, and the content of CuFe2O4 in the cathode catalyst layer is 10 mass% or more.
Resumen de: EP4831113A1
The invention relates to an ammonia cracking and/or firing installation (1) comprising:- a pressure equipment (2) for containing liquid ammonia;- a basin (3) positioned beneath the pressure equipment (2), configured to collect and contain liquid ammonia in the event of a leak from the pressure equipment (2);- a safety enclosure (4) surrounding the pressure equipment (2) and arranged to contain ammonia spurts and any gaseous ammonia resulting from a liquid or gas leak from the pressure equipment (2).
Resumen de: WO2025131585A1
The invention relates to a hydrogen production facility (222) comprising a hydrogen recirculation assembly (100, 200). The hydrogen production facility (222) comprises at least one main compressor (226, 426) which is fluidically connected to at least one electrolyzer (224, 424) via a main hydrogen flow fluid network (232), wherein the hydrogen recirculation assembly (100, 200) comprises a first fluid inlet (102, 202) which can be connected to a first hydrogen leakage point (240) of the hydrogen production facility (222) and which is connected to at least one collecting container (106, 206) of the hydrogen recirculation assembly (100, 200) via at least one first fluid connection (110, 210); a second fluid inlet (104, 204) which can be connected to a second hydrogen leakage point (242) of the hydrogen production facility (222) and which is connected to the collecting container (106, 206) via at least one second fluid connection (112, 212); at least one recirculation compressor (108, 208) which is connected to the collecting container (106, 206) via at least one third fluid connection (114), and at least one first fluid outlet (118, 218) which can be connected to a main hydrogen flow fluid network (232) of the hydrogen production facility (222) and which is connected to the recirculation compressor (108, 208) via at least one fourth fluid connection (116).
Resumen de: WO2025131972A1
The invention relates to a method for preparing a membrane which comprises the following steps, in succession: preparing a layer of polyethersulfone nanofibres by electrospinning a polyethersulfone solution; heating the nanofibres to soften them; cooling the nanofibres; and impregnating the nanofibres with an ionomer to form the membrane. A membrane of this kind consists of polyethersulfone nanofibres that have points at which they join to the nanofibres adjacent to them. The membrane has ionic conductivity properties and can be used in a fuel cell or an electrolyser.
Resumen de: EP4831328A1
0001 A stainless steel for solid oxide electrolysis cells contains, on a mass basis, C: 0.030% or less, Si: 0.20% or less, Mn: less than 0.30%, P: 0.050% or less, S: 0.0030% or less, Cr: from 19.0% to 24.0%, Mo: 2.5% or less, Al: from 0.01% to 0.15%, Mg: from 0.0001% to 0.0100%, N: 0.030% or less, Nb: 0.40% or less, Ti: 0.40% or less, Ni: 1.00% or less, and Cu: 1.00% or less, with the balance being Fe and impurities. In the stainless steel for solid oxide electrolysis cells, an average particle diameter of inclusions is from 0.2 µm to 3.0 µm, a number density of the inclusions is from 30 to 150 particles/mm<2>, an aspect ratio of the inclusions is more than 1.0 and less than 3.0, and a proportion, among inclusions, of Mg-containing inclusions having an Mg concentration of 0.5 mass% or more is 0.30 or more.
Resumen de: WO2025131321A1
The invention relates to a cell unit (12) comprising a cell layer (18) and an interconnector plate (28), wherein a periphery (22) of the cell layer (18) is attached to a periphery (30) of the interconnector plate, wherein a central portion (24) of the cell layer and a central portion (32) of the interconnector plate define a fluid volume (34) therebetween, and wherein a fluid guidance insert (52) is disposed in the fluid volumes, said fluid guidance insert defining a fluid channel system for conveying fluid between at least one fluid port of the cell unit and the fluid volume.
Resumen de: WO2025129233A1
A process, a device and/or a system for flow based electrocatalytic chemical reactions, particularly hydrogenation reactions in a pH neutral or pH alkaline, and preferably, a high pH electrolyte, that is, an aqueous solution including a reactant, where electrolyte is either a water-in-oil emulsion or an oil- in-water emulsion.
Nº publicación: EP4829115A1 28/10/2026
Solicitante:
NEL HYDROGEN ELECTROLYSER AS [NO]
Nel Hydrogen Electrolyser AS
Resumen de: WO2025132918A1
Disclosed is an electrolysis cell element (1) comprising, a support structure (2) comprising an inner aperture (3), and a bipolar plate (4) being suspended in the inner aperture (3). The support structure (2) comprises a structure core (5) and a coating (6), wherein the coating (6) includes a thermoplastic material at least partly enclosing the structure core (5) and wherein the bipolar plate (4) is suspended in the inner aperture (3) by means of the coating (6). An electrolysis cell stack (10) and use of an electrolysis cell stack (10) is also disclosed.
BOPI
Sede Electrónica
