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982
resultados
Última actualización
30/10/2026 [07:10:00]
Resultados 450 a 475 de 982
Resumen de: KR102861076B1
A method for operating a high temperature water electrolysis stack is disclosed. The disclosed method for operating a high temperature water electrolysis stack comprises the steps of: injecting a reducing gas into a hydrogen electrode of a high temperature water electrolysis stack (s210); initially raising the temperature of the hydrogen electrode of the high temperature water electrolysis stack (s220); blocking the reducing gas injected into the hydrogen electrode of the high temperature water electrolysis stack (s230); primarily oxidizing the hydrogen electrode of the high temperature water electrolysis stack (s240); re-injecting the reducing gas into the hydrogen electrode of the high temperature water electrolysis stack (s250); blocking the reducing gas injected into the hydrogen electrode of the high temperature water electrolysis stack again (s260); secondarily oxidizing the hydrogen electrode of the high temperature water electrolysis stack (s270); and performing a normal operation by re-injecting the reducing gas into the hydrogen electrode of the high temperature water electrolysis stack (s280).
Resumen de: WO2022189560A1
Method and system for producing a hydrogen product from ammonia, comprising: optionally at least one pre-cracking reactor, such as an adiabatic pre-cracking reactor, arranged to receive an ammonia feed stream, thereby producing a partly converted am-5monia feed stream comprising ammonia, hydrogen and nitrogen; an ammonia cracking reactor such as an electrically heated reactor. The reactor is arranged to receive the partly converted ammonia feed stream or the ammonia feed stream for producing an effluent gas stream comprising hydrogen and nitrogen and optionally also unconverted ammonia; and a hydrogen recovery unit arranged to receive the effluent gas stream for 10producing the hydrogen product and an off-gas stream comprising hydrogen, nitrogen and optionally unconverted ammonia.
Resumen de: WO2022187133A2
A method of fabricating a device includes providing a substrate of the device, forming a structure of the device, the structure being supported by the substrate, having a semiconductor composition, and including a surface, where nitrogen is present at the surface, and incorporating oxygen into the surface to form a stabilizing layer on the surface. Incorporating oxygen into the surface is implemented such that the stabilizing layer includes a uniform distribution of an oxynitride material
Resumen de: US20260286542A1
An object of the present invention is to provide an electrolyte membrane having an excellent joining property between an electrolyte membrane and a catalyst layer. The present invention mainly relates to an electrolyte membrane including a layer (A) containing a polymer electrolyte, and a layer (B) on at least one of the faces of the layer (A), wherein porosity (X1) in an interface region of the layer (B), on the layer (A) side, is higher than porosity (X2) in another interface region of the layer (B), on the opposite side to the layer (A).
Resumen de: WO2026193888A1
The present disclosure relates generally to processes for electrochemical activations of anodes, cathodes and electrolysis systems for alkaline water electrolysis, especially for nickel-based electrodes. In s0ome embodiments, the processes include repeating first treatment cycles of application of voltage to an anode at least a first number of times, the first number being at least 30, each first treatment cycle comprising (a) application of a first voltage at least +0.3 V vs. Hg/HgO to the anode; and (b) application of a second voltage no more than -0.8 V vs. Hg/HgO to the anode.
Resumen de: US20260286534A1
0000 An embodiment of the present disclosure relates to a hydrogen supply system including a water electrolysis stack configured to produce hydrogen by electrochemically decomposing water, and a metal hydride compressor connected to the water electrolysis stack and configured to treat the hydrogen before supplying the hydrogen to a supply destination, thereby obtaining an advantageous effect of simplifying a structure and improving spatial utilization and a degree of design freedom.
Resumen de: US20260286543A1
0000 A membrane electrode assembly for a water electrolysis cell, that includes an anode, a cathode and a hydrocarbon membrane lying between the anode and the cathode, further including a first gas recombination layer which is arranged between the anode and the hydrocarbon membrane, wherein between the gas recombination layer and the hydrocarbon membrane at least one adhesion layer is arranged, wherein the adhesion layer includes at least one ceramic material and one proton-conductive polymer.
Resumen de: WO2026194355A1
Embodiments of the present application provide a method and apparatus for measuring impurity content in a liquid. The method comprises: injecting a liquid to be measured into a first container; when it is detected that the pressure in the first container meets a preset value, stopping injecting said liquid; venting the first container, so that the first container returns to an atmospheric‑pressure state; injecting at least part of said liquid in the first container into a second container; injecting a buffer solution into the second container, and detecting that the pH value of said liquid in the second container meets a preset value; and using an ion measurement device to measure impurity content in said liquid in the second container. The present application does not require the shutdown of a system for measurement. By quantitatively extracting a liquid to be measured, diluting the concentration of an impurity to be measured, and adjusting the pH of said liquid for impurity content measurement, strong timeliness is achieved, and the impurity content can be monitored in real time to reflect an operation state of a liquid system to be measured, for example, a hydrogen production system.
Resumen de: AU2024438054A1
In an electrolysis cell according to the present disclosure, an insulating packing material has: an annular packing body; an arc-shaped packing material having an arc shape formed inside the packing body and surrounding a first supply hole and a first discharge hole from the outer peripheral side, respectively; and a triangular packing material. In the arc-shaped packing material, which is in a state prior to elastic deformation by being sandwiched between a separator and an anion exchange membrane, the thickness of the arc-shaped packing material is set to be greater than the gap between a first diffusion guide part and the anion exchange membrane, and in the triangular packing material, the thickness thereof is set to be greater than that of the packing body.
Resumen de: WO2026195552A1
The invention discloses a current collector, a preparation method for a current collector, an electrolytic cell and an electrolytic stack, here the current collector includes a bipolar plate and a flow field material. The bipolar plate includes a disk and a ring, the ring surrounds circumference of the disk, one or more alkaline solution inlets are opened at a first end of the ring, and one or more alkaline solution outlets are opened at a second end of the ring. The flow field material is arranged on the disk, and the flow field material includes multiple expanded metal grid plates arranged in sequence and spaced apart from each other. The preparation method includes the following operations. A diameter of the disk is obtained, and a length and width of each of the expanded metal grid plates are determined based on the diameter of the disk, a preset number of the expanded metal grid plates, and a preset distance between adjacent ones of the expanded metal grid plates. Raw materials are cut based on the length and width of each of the expanded metal grid plates and a corresponding edge profile of the disk, to obtain the expanded metal grid plates in the preset number. The expanded metal grid plates are welded to the disk, based on a preset position of each of the expanded metal grid plates on the disk. According to the invention, uniformity of the alkaline solution distributed on the bipolar plate may be improved.
Resumen de: US20260286558A1
0000 A method of producing a hydrogen stream and an oxygen stream and passing the hydrogen stream and the oxygen stream to a reverse water-gas shift reactor is described, the method comprising: providing a water stream to an electrolysis system configured to form: a hydrogen stream at a first pressure, and an oxygen stream at a second pressure; passing the hydrogen stream, a carbon dioxide stream, and the oxygen stream to the reverse water-gas shift reactor, wherein the first pressure is lower than the second pressure.
Resumen de: US20260291253A1
System and method for electrolysis plant interconnected to renewable energy electrical power source (22) and power grid (20) are provided. The system includes the power source (22) and an electrolysis plant (30) including electrolyzers (32) connected to the power source (22) to energize the electrolyzers into respective operating conditions. A control system (40) is connected to source (22) and to grid (20). Upon detection of power outage or otherwise insufficient power supply by the renewable power source, the control system is configured to bring the electrolyzers into respective standby conditions. The electrolyzers are connected to the grid to energize the electrolyzers into the standby conditions. Optionally, a backup power supply (26) is connected to the control system so that upon detection of concurrent power outages or otherwise insufficient concurrent power supply by the renewable power source and the power grid, the backup power supply is configured to energize the control system.
Resumen de: US20260285677A1
0000 A method for storing hydrogen in a reactor or a synthesis loop comprising the steps of (a) providing a gaseous stream of a reaction compound; (b) providing an excess of a hydrogen stream as required for stoichiometric molar ratio of reactants to hydrogen in the synthesis loop or reactor from an electrolysis unit; (c) storing the excess of hydrogen provided in step (b) by introducing at least an amount of the hydrogen stream into the gaseous stream of a reaction compound and to provide a mixed stream of hydrogen and gaseous reaction compound with at least 25 mol % excess hydrogen than what is required for a reaction of the reaction compound with hydrogen in the hydrogen stream; (d) introducing the mixed stream into the reactor or the synthesis loop; (e) withdrawing a mixed stream of gaseous reaction product and unreacted gaseous hydrogen and reaction compound from the reactor or the synthesis loop; (f) separating the reaction product from the unreacted gaseous hydrogen and reaction compound (g) recycling all or a part of unreacted amounts of hydrogen and reaction compound to the reactor or synthesis loop.
Resumen de: US20260286550A1
0000 A process for manufacturing at least one portion of an electrolytic is provided. The process includes at least the step of printing at least one layer (3) on a first face of a bipolar plate (1) by additive manufacturing, a first face (4a ) of the layer (3) being secured to the first face of the bipolar plate and the second face (4b ) of the layer (3) forming at least one free end, the layer being formed of a mesh forming a cellular structure. Also disclosed are a corresponding portion of an electrolytic cell and a corresponding electrolyzer stack.
Resumen de: US20260286545A1
A Solid Oxide Cell stack has at least one connection plate between the solid oxide cell stack and an adjacent end plate, two adjacent end plates and/or between adjacent 5 solid oxide cell sub-stacks.
Resumen de: US20260286551A1
0000 An electrode and in particular to an electrode suitable for gas evolution comprising a metal substrate and a catalytic coating. Such electrode can be used as an anode for the development of oxygen in electrolytic processes such as, for example, in the alkaline electrolysis of water.
Resumen de: US20260286553A1
0000 The present disclosure relates to a hydrophilic composite, comprising 2nd bimetallic component M3M4 (e.g. CoMoO4) deposited on 1st bimetallic component M1M2 (e.g. NiMoO4), supported on a support (e.g. Ni foam) (also termed as M3M4Oy@M1M2Ox/support); wherein the composite has dual structural property without the need of binder/additive and to a process of preparing the hydrophilic composite (M3M4Oy@M1M2Ox/support) and uses thereof. The present disclosure also relates to the environmentally benign production of green hydrogen through HER (hydrogen evolution reaction), and OER (oxygen evolution reaction) reactions using M3M40y@M1M2Ox/support as cathode or anode or both.
Resumen de: US20260285690A1
0000 The present invention relates to a process for cleaning a CO<2>-rich gas feed, in the presence of a hydrogen-rich feed, in particular for removing sulfur-containing impurities, and optionally oxygen.
Resumen de: US20260288116A1
0000 Systems and techniques for monitoring, assessing, and/or controlling hydrogen production are described. For instance, a system for monitoring, assessing, and/or controlling hydrogen production may include: a plurality of electrolyzers; and a controller configured to: obtain raw data indicative of respective operations of respective electrolyzers of the plurality of electrolyzers over a period of time; obtain command data indicative of one or more commands provided to the plurality of electrolyzers over the period of time; obtain event data indicative of one or more events related to the plurality electrolyzers that occurred during the period of time; generate state data based on the raw data, the command data, and the event data, the state data comprising a respective state of each electrolyzer of the plurality of electrolyzers for each of a number of discrete time periods of the period of time; and perform one or more operations responsive to the state data.
Resumen de: US20260284639A1
0000 A catalyst includes catalytically active material including a formula: CeJQO, wherein Ce is Cerium, J includes at least one of Zirconium, Hafnium, Niobium, Tantalum, and Titanium, Q includes at least one of Praseodymium, Terbium, Thulium, Europium, Samarium, Ytterbium, Gallium, Germanium, Indium, Tin, Antimony, and Bismuth, and O is oxygen; and a support, wherein the catalyst has greater than 95% selectivity for carbon monoxide formation in a mixture of carbon dioxide and hydrogen operated at a temperature above 400° C. Catalysts, systems, and methods for syngas, chemical, and/or liquid fuel production are provided in the present disclosure.
Resumen de: US20260284640A1
0000 Described is a preparation method for a complex metal catalyst in the form of a triple metal of ruthenium, yttrium, and potassium by using a thermally transformed delta-alumina support and to a production method for hydrogen through ammonia cracking using same. The described catalyst for ammonia cracking attains the adjustment of the ratio of ruthenium/potassium+yttrium, along with a thermally transformed alumina support in a specific phase, even when using a low content of a ruthenium metal, the minimization of the contents of chlorine and nitrogen compounds, which are impurities in the catalyst, and the localization of active metals in the catalyst, thus achieving a very high ammonia conversion rate and hydrogen production efficiency even at a low temperature, compared with a catalyst having the same ruthenium metal content.
Resumen de: US20260286546A1
0000 Electrochemical stack (1) comprising a plurality of electrochemical cells (2) that are oriented horizontally and arranged between a top plate (4) and a bottom plate (3) of the stack (1), wherein the top plate (4) and the bottom plate (3) are tensioned against one another by a tensioning device (5). At least one port is configured on the top plate (4) for supplying or discharging gaseous and/or liquid media to or from the electrochemical cells (2). The top plate (4) comprises suspension elements (17) configured to fasten the electrochemical stack (1) to a frame structure (15), wherein the bottom plate (3) is freely suspended. The mounting assembly for mounting the electrochemical stack comprises a frame structure (15) on which the electrochemical stack (1) rests with its suspension elements (17), such that the bottom plate (3) is freely suspended and the electrochemical cells (2) are oriented horizontally.
Resumen de: US20260286533A1
The technology disclosed herein generally concerns a system and a process for continuous generation of hydrogen and oxygen gases.
Resumen de: US20260286549A1
0000 An electrochemical electrode structure comprises 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.
Nº publicación: US20260286544A1 24/09/2026
Solicitante:
THYSSENKRUPP NUCERA AG & CO KGAA [DE]
thyssenkrupp nucera AG & Co. KGaA
Resumen de: US20260286544A1
0000 An electrochemical electrode structure comprises a current collector and at least one electrode element, wherein the at least one electrode element is a two-dimensionally extended electrically conductive element having an open structure. In this electrochemical electrode structure, the at least one electrode element has at least one edge with a hemming rim at which a strip portion of the electrode is hemming bent away. An electrochemical cell comprises a first electrode, a second electrode and a separator, with either the first electrode or the second electrode or both electrodes being such an electrochemical electrode structure. A method comprises retrofitting a finite-gap electrochemical cell into a zero-gap type electrochemical cell using such electrochemical electrode structure.
BOPI
Sede Electrónica
