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888
resultados
Última actualización
06/05/2026 [07:20:00]
Resultados 25 a 50 de 888
Resumen de: WO2025002638A1
The present invention relates to a divided cell for alkaline water electrolysis, where the separator is equipped with a gasket having anisotropic elastic properties and exhibiting reduced gasket deformation along the plane of the major surface of the separator when subject to a compression force perpendicular to that plane. The invention also relates to an electrolyser comprising a plurality of cells as hereinbefore described.
Resumen de: EP4733451A1
A water electrolysis electrode 1 includes an electroconductive substrate 10 and a layered double hydroxide (LDH) layer 20. The layered double hydroxide layer 20 is formed on a surface of the electroconductive substrate 10. An effective film thickness of the layered double hydroxide layer 20 is 250 nm or more and less than 4000 nm. The layered double hydroxide layer 20 may include layered double hydroxide 20a. The effective film thickness of the layered double hydroxide layer 20 may be 3470 nm or less.
Resumen de: EP4733442A1
A water electrolysis electrode 1 includes a conductive substrate 11 and a layered double hydroxide layer 12. The layered double hydroxide layer 12 is disposed on a surface of the conductive substrate 11. The layered double hydroxide layer 12 includes two or more transition metals. The layered double hydroxide layer 12 includes a chelating agent.
Resumen de: EP4733444A1
A water electrolysis electrode 1 includes a conductive substrate 10 and a layered double hydroxide layer 11. The conductive substrate 10 has a surface 10a including nickel having a (111) plane orientation. The layered double hydroxide layer 11 includes a layered double hydroxide including two or more transition metals. The layered double hydroxide layer 11 is disposed on the surface 10a.
Resumen de: EP4733439A1
0001 A power supply unit supplies a current of a second current value different from a first current value to an electrolysis unit at a first time point from a state of supplying a current of the first current value to the electrolysis unit, and then returns to the state of supplying the current of the first current value at a second time point. A degradation detection unit finds a difference value between a first measured voltage of the electrolysis unit acquired when the current of the first current value is supplied before the first time point and a second measured voltage of the electrolysis unit acquired when the current of the first current value is switched to the current of the second current value at the first time point, and detects the degradation of the electrolysis unit according to the electrolysis unit voltage difference value.
Resumen de: EP4734317A1
The present invention relates to a method (1000-2000) of controlling an electric energy generation plant (1). The plant comprises a unit for generating electric energy from a renewable energy source (2), an electrolyzer (51) for the generation of hydrogen, a battery (8) connected to the electrolyzer (51), at least one converter (3,4) adapted to supply an available power generated by the electric energy generation unit (2) to at least one of a load and the electrolyzer (51), a control system (6) for controlling the plant (1), and input means (7). The input means are adapted to acquire at least one of input information relating to the operation of the plant (1), meteorological information of a region in which the plant (1) is located and information relating to the operation of further plants located in the vicinity of the plant (1).The method comprises that the control system performs the step of: monitoring (1002) the available power, generated by the renewable energy source (2), andwhen the available power falls below a threshold (1011), the method comprises that the control system performs the step of:estimating (1014-1017) a recovery time interval at the end of which the available power will exceed the threshold,determining (1014-1017) whether the battery is able to supply the electrolyzer (51) for said recovery time interval, and in the affirmative case, supplying (1012) the electrolyzer (51) by means of the battery (8).In particular, the step of estimating a recovery tim
Resumen de: EP4733249A2
A method of treating an at least partially unconsumed hydrogen generator cartridge including water and a metal hydride includes treating the at least partially unconsumed hydrogen generator cartridge to form a treated hydrogen generator cartridge. When subjected to testing conditions the treated hydrogen generator cartridge produces no hydrogen gas or produces hydrogen gas at a lower rate than the at least partially unconsumed hydrogen generator cartridge subjected to the testing conditions. The testing conditions include heating at less than or equal to 300 °C, agitation, exposing the metal hydride to a protic solvent, or a combination thereof.
Resumen de: EP4733445A1
The present invention discloses a hierarchical porous nickel electrode and a method for preparing the same. The method includes: spraying a nickel-aluminum material on a nickel substrate to prepare a nickel-aluminum coating on the surface of the nickel substrate, to obtain a first intermediate product, the first intermediate product including the nickel substrate and the nickel-aluminum coating; heat-treating the first intermediate product, to obtain a second intermediate product; placing the second intermediate product into alkaline solutions of different concentrations for stepwise activation sequentially, to obtain a hierarchical porous nickel electrode. In the stepwise activation, the concentrations of the alkaline solution are gradually decreased, and activation temperatures are gradually decreased. The hierarchical porous nickel electrode of this invention ensures high mass transfer rates and catalytic efficiency. The coating has strong bonding strength with the substrate, stable interlayer structure, good mechanical properties, stability, and long service life.
Resumen de: EP4734318A1
A hybrid power plant includes a nuclear source generator assembly (2), configured to provide a primary electric power (WEP) from a nuclear source; an electrolyzer (3) operable to produce a first mixture (M1) containing hydrogen and a second mixture (M2) containing oxygen from a water flow (FW); a hydrogen storage system (5), coupled to the electrolyzer (3) to receive hydrogen from the first mixture (M1); an oxygen storage system (6), coupled to the electrolyzer (3) to receive oxygen from the second mixture (M2); and a hydrogen generator assembly (7), operable to produce a secondary electric power (WES) using the hydrogen from the hydrogen storage system (5) and the oxygen from the oxygen storage system (6). A power divider (8), coupled to a distribution grid (15) and to the electrolyzer (3), is configured to controllably divide the primary electric power (WEP) between the distribution grid (15) and the electrolyzer (3).
Resumen de: EP4733449A1
0001 A water electrolysis electrode 1 includes an electroconductive substrate 10 and a layered double hydroxide layer 20. The electroconductive substrate 10 includes Ni. The layered double hydroxide layer 20 is disposed on a surface of the electroconductive substrate 10. The layered double hydroxide layer 20 includes Ni. In a XRD pattern of grazing incidence X-ray diffraction for the water electrolysis electrode 1, a ratio P<003>/P<111> of a diffraction peak intensity P<003> of a (003) plane of a layered double hydroxide to a diffraction peak intensity P<111> of a (111) plane of Ni is 0.025 or less.
Resumen de: WO2024218273A1
A method for storing hydrogen in a plurality of subsea storages in a system. The system comprising an electrolyser source (100) for producing hydrogen at a source pressure; a downstream compressor (200) for compressing the hydrogen from the source pressure to a compressed higher pressure; and a plurality of storages (300) each for storing compressed hydrogen at the compressed higher pressure and each being subsea. The method comprising at least the steps of: producing hydrogen (1000) by the electrolyser source (100) at the source pressure; passing the hydrogen (2000) to the plurality of storages (300) through a bypass line (210) around the compressor (200); and storing the hydrogen (3000) in at least one of the plurality of storages (300) at a first pressure below the compressed higher pressure. A system for storing hydrogen in a plurality of subsea storages, the system comprising: an electrolyser source (100) for producing hydrogen at a source pressure; a downstream compressor (200) for compressing the hydrogen from the source pressure to a compressed higher pressure; a plurality of storages (300) each for storing compressed hydrogen at the compressed higher pressure and each being subsea; and a controller (400) for controlling the electrolyser source (100), the downstream compressor (200), and valves (310) to the plurality of storages (300). The controller (400) is configured for controlling the system in, at least, two alternative ways: A) passing the hydrogen, produced by
Resumen de: WO2024189288A1
The invention relates to a part comprising a metal substrate and a layer of material based on amorphous carbon having sp2 hybridised bonds and sp3 hybridised bonds, wherein the layer has: - a first content of sp3 hybridised bonds on the substrate side; and - a second content of sp3 hybridised bonds on the side of an outer surface of the layer; - the first content being greater than the second content, characterised in that an average content within the layer of sp3 hybridised bonds is between 5% and 65%, and preferably between 5% and 45%, and in that the content of sp3 hybridised bonds changes continuously within the layer.
Resumen de: EP4733440A1
Systems and methods for wastewater utilization are described herein. In some approaches, the system (100) comprises a solid oxide electrolyzer (104) and a syngas upgrading unit (112). The solid oxide electrolyzer (104) comprises a first electrode (128), a second electrode (130) and an electrolyte (132). The syngas upgrading unit (112) receives at least a portion of a product stream (110) from the solid oxide electrolyzer (104) and generates a wastewater stream (102) comprising water and a hydrocarbon species. A recycle line (120) recycles the wastewater stream (102) from the syngas upgrading unit (112) to the first electrode (128) of the solid oxide electrolyzer (104). In some embodiments, the system (100) comprises a carbon dioxide supply (108) to co-feed carbon dioxide to the solid oxide electrolier (104) with the wastewater stream (102). In some embodiments, the system (100) comprises a separation unit (114) that separates the wastewater stream (102) from a product stream (110) of the syngas upgrading unit (112).
Resumen de: WO2025058457A1
The present application relates to a hybrid electrode comprising plasmonic nanoparticles and an electrolytic system comprising same. The hybrid electrode and the electrolytic system comprising same according to embodiments of the present application may reactivate a catalyst surface by utilizing a plasmonic phenomenon during an electrochemical reaction using a plasmonic-active electrode (antenna-reactor) composite electrode.
Resumen de: WO2025127502A1
Provided according to exemplary embodiments of the present invention is an ammonia decomposition system capable of minimizing the generation of iron nitride, which is a by-product.
Resumen de: WO2024200817A1
The invention provides a porous transport layer for an electrolyser or for a fuel cell, comprising - a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, - a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface roughness is below 10 µm, the first equivalent diameter is smaller than the second equivalent diameter, the first surface roughness is smaller than the second surface roughness for at least 20%, e.g., in a range of 20% to 120%, wherein the first porosity is smaller than the second porosity for at least 10%, e.g., in a range of 10% - 50%, and wherein the first nonwoven layer is metallurgically bonded to the second nonwoven layer.
Resumen de: WO2024200810A1
Porous transport layer for an electrolyser or for a fuel cell, comprising - a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, - a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface has a material ratio of less than 5 % of material at a height of 5 µm, and more than 70% of material at a depth of -5 µm, the first equivalent diameter is smaller than the second equivalent diameter, the first surface roughness is smaller than the second surface roughness for at least 20%, e.g., in a range of 20% to 120%, the first porosity is smaller than the second porosity for at least 10%, e.g., in a range of 10% to 50%, and wherein the first nonwoven layer is metallurgically bonded to the second nonwoven layer.
Resumen de: AU2024336445A1
The present invention relates to a method for obtaining hydrogen through water molecule dissociation using thermochemical reactions under (quasi-)isothermal conditions, which comprises the following steps: placing active material (103) in the reaction chamber (109) of a reactor (101); reducing the active material (103) by supplying heat; evacuating the oxygen produced through a first outlet (106); injecting water into the reaction chamber (109); oxidising the active material (103), thereby producing hydrogen; filtering the hydrogen produced through a selective filter (104) during the oxidisation of the active material (103); and evacuating the filtered hydrogen through a second outlet (107), thereby obtaining a flow of high-purity hydrogen. The invention also relates to a device for carrying out the method.
Resumen de: JP2026069234A
0001 【課題】合成燃料生成部での発熱を効果的に利用可能な合成燃料生成装置、合成燃料生成システムを提供する。 【解決手段】合成燃料生成装置１０Ａは、アノード集電体層２１、アノードガス拡散層２２、アノード触媒層２３、電解質層２４、カソード触媒層２５、カソードガス拡散層２６、カソード集電体層２７、が径方向に積層された水電解セル２０Ａを有し、水を電解して水素と酸素を生成する筒状の水電解部２０と、水電解部２０の筒内側に配置された筒状の内絶縁層４２と、内絶縁層４２の筒内側に配置され、水素と二酸化炭素により合成化合物と水を生成する合成燃料生成部３２と、を備えている。 【選択図】図１
Resumen de: US20260110234A1
Embodiments of the invention relate to producing hydrogen from a subsurface formation by injecting a reactant into the subsurface formation and reacting the reactant with the subsurface formation to form at least one of hydrogen gas or a mineralized product within the subsurface formation. The hydrogen produced is collected or one or more components of the reactant is sequestered to form a mineralized product in the subsurface formation. Other embodiments of the invention relate to producing hydrogen by injecting a thermal fluid into the subsurface rock formation, where the thermal fluid includes a reactant. The reactant is reacted with components in the subsurface formation to form at least one of hydrogen gas mineralized sulfur, or mineralized carbon.
Resumen de: WO2024206331A1
The present invention relates to a composition comprising about 90% to about 99.99% by weight of one or more non-crosslinked fluorinated sulfonyl fluoride polymers and about 0.01% to about 10% by weight of one or more precious metal catalyst, based on the total weight of the composition, where the one or more precious metal catalyst is uniformly distributed throughout the one or more non-crosslinked fluorinated sulfonyl fluoride polymer. Such a composition may be formed, for example by extrusion, into a cation exchange precursor and, after treatment, a cation exchange membrane. The resulting films and membranes have precious metal catalyst uniformly distributed throughout the layer of catalyst-containing polymer.
Resumen de: AU2024412535A1
A methanol production method comprising: a step (A) for acquiring a synthesis gas comprising at least carbon dioxide and hydrogen; a step (B) for reacting the synthesis gas in the presence of a catalyst to obtain a methanol mixture; a step (C) for distilling the methanol mixture to separate out each of methanol, a distillation waste liquid, and distillation wastewater; and a step (D) for subjecting the distillation waste liquid and/or the distillation wastewater to an organic matter decomposition treatment to obtain a decomposition gas and treated water.
Resumen de: WO2026082793A1
The invention relates to a method and plant for producing hydrogen comprising an electrochlorination unit (10) and a water electrolysis unit (11). In the electrochlorination unit (10), seawater (12) or brine is electrolyzed to produce a liquid hypochlorite stream and an oxygen-polluted hydrogen gas stream. The hydrogen gas is separated from the liquid phase in a degasser vessel (18). High-purity hydrogen produced in the water electrolysis unit (11) from demineralized water (22) is divided into two portions, one portion (37) being mixed with the oxygen-polluted hydrogen in the degasser vessel (18) to form a non-flammable mixed gas, and the other portion (38) being supplied to an ejector (50) for compressing and further concentrating the mixed hydrogen. Optionally, residual oxygen is removed in a DE-OXO unit (54). The invention enables recovery and utilization of hydrogen from electrochlorination processes while improving overall hydrogen yield and safety.
Resumen de: WO2026082452A1
An electrolyser cell comprises a diaphragm which partitions the cell into a cathode chamber and an anode chamber and wherein an oxygen evolving anode electrode arranged at the anode chamber side of the diaphragm and a hydrogen evolving cathode electrode arranged at the cathode chamber side of the diaphragm is provided. A spacer is provided between the cathode electrode and the diaphragm, and/or between the anode electrode and the diaphragm which spacer is adapted to ensure contact between electrolyte fluid elements in the cathode and/or in the anode chamber and the diaphragm, and adapted to ensure a pre-determined non-zero distance D between the cathode electrode and/or the anode electrode and the diaphragm.
Nº publicación: US20260110100A1 23/04/2026
Solicitante:
KHALVATI MOHAMMADALI [CA]
DINCER IBRAHIM [CA]
GOREN KARA AYSEGUL YAGMUR [CA]
KILICASLAN AHMET [CA]
Resumen de: US20260110100A1
0000 Provided are systems and methods for multi-process generators employing fermentation, desalination, and electrolysis technologies. The generator system includes a fermentation compartment configured to receive a mixture of biomass waste and an anaerobic microorganism solution comprising bacteria for bioenergy production; an electrolysis compartment configured to receive an electrolyte solution comprising a saline mixture, the electrolysis compartment including first and second spaced apart electrodes at least partially submerged in the electrolyte solution; and a desalination compartment positioned between the fermentation compartment and the electrolysis compartment, the desalination compartment configured to receive a saline solution and comprising an anion exchange membrane separating the desalination compartment from the electrolysis compartment and a cation exchange membrane separating the desalination compartment from the fermentation compartment, wherein the desalination compartment is configured to perform ion exchange processes to produce freshwater.
BOPI
Sede Electrónica
