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977
resultados
Última actualización
06/07/2025 [07:03:00]
Resultados 600 a 625 de 977
Resumen de: US2025162922A1
A the plant for producing glass and hydrogen includes: a glass melting furnace that melts a glass raw material with combustion heat of fuel to generate molten glass; an exhaust passage which extends from the glass melting furnace and through which exhaust gas generated in the glass melting furnace passes; a boiler that is provided in the exhaust passage and conducts heat exchange between the exhaust gas and water to generate steam; and an electrolyzer that electrolyzes the steam to generate hydrogen and oxygen.
Resumen de: US2025162701A1
The present invention relates to an autonomous captive aerostat (2) of the type comprising a closed hydrogen-reservoir volume (24) providing lift, an outer membrane (40) equipped with photovoltaic cells (8) for collecting solar radiation, and a ground tether (20) comprising a cable for transmitting the electrical energy produced by the cells (8). The captive aerostat according to the invention is notable in that it comprises devices (4) for capturing water or moisture contained in the atmosphere constituting its outer membrane (40), means enabling this water to be converted into at least one form of energy selected from hydrogen, oxygen and heat, and pipes each enabling some of the collected water and at least one of the forms of energy generated or converted within the aerostat to be distributed to the ground. Applicable notably to the distribution of energy to urban environments.
Resumen de: AU2023405114A1
The invention relates to an electrolysis system (1) comprising an electrolyser (3) for producing hydrogen (H
Resumen de: US2025163592A1
A wind-powered electrolysis arrangement is provided including a plurality of wind turbines of an offshore wind park; a distributed electrolyzer plant including a plurality of electrolyzers, wherein each electrolyzer is arranged on a wind turbine platform; a balance of plant of the distributed electrolyzer plant, installed on a main platform in the wind park; and a plurality of product pipelines, wherein each product pipeline is arranged to convey a number of products between the balance of plant and a distributed electrolyzer. A method of operating such a wind-powered electrolysis arrangement is also provided.
Resumen de: US2025163596A1
Provided is an electrolyzer power control system that includes a reactive harmonic current reference generation stage. The reactive harmonic current reference generation stage selects a reactive power set point for reactive power drawn by a rectifier from a grid, determines a reactive power current reference based on the reactive power set point, aggregates the reactive power current reference with a reference current of harmonic currents that the rectifier injects in or draws from the grid, determines a reactive harmonic current reference that compensates for both the reactive power and the harmonic currents and outputs the reactive harmonic current reference. Switching signals that operate the rectifier are generated based on the reactive harmonic current reference.
Resumen de: US2025167271A1
An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H2) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H2), and a fuel cell configured to receive the Hydrogen (H2).
Resumen de: WO2025106146A2
One embodiment is directed to an integrated energy storage and distribution system, comprising: an electrolysis module configured to utilize intake electricity and intake water to output hydrogen gas, oxygen, and surplus water; a metal hydride hydrogen storage module configured to controllably store, or alternatively release, hydrogen gas; a fuel cell module configured to controllably intake hydrogen gas and output electricity and water vapor; and a computing system operatively coupled to the electrolysis module, storage module, and fuel cell module and configured to coordinate operation of these modules relative to each other; wherein the electrolysis, storage, and fuel cell modules are thermally coupled such that heat energy released from one or more modules which may be at least transiently exothermic may be utilized by one or modules which may be at least transiently endothermic.
Resumen de: WO2025105885A1
A membrane-electrode assembly includes a first catalyst electrode, a polymer electrolyte membrane covering a side surface and an upper surface of the first catalyst electrode, and a second catalyst electrode disposed on the polymer electrolyte membrane, in which at least a portion of a corner area in which the side surface and the upper surface of the first catalyst electrode are connected has a curved shape.
Resumen de: WO2025105611A1
The present invention relates to a proton conducting electrolyte powder, an electrolyte membrane, and a preparation method thereof. Specifically, the present invention relates to a heterophasic BCZYYb proton conducting electrolyte powder obtained using low-temperature solid synthesis at 1000 to 1200°C, a proton conducting electrolyte membrane with a monophasic BCZYYb (Ba,Ce,Zr,Y,Yb) composition prepared by sintering the proton conducting electrolyte powder at 1300 to 1500°C, and a preparation method of the proton conducting electrolyte membrane, comprising calcining and sintering at the temperature.
Resumen de: WO2025105600A1
According to one embodiment of the present invention, a hierarchical porous transport layer comprises: a first porous layer which has first pores and which is formed of first particles or fibers; a second porous layer which includes second pores having an average size smaller than that of the first pores and which is formed of second particles or fibers on the first porous layer; and an intermediate layer which is formed between the first porous layer and the second porous layer, and in which the first particles or fibers and the second particles or fibers are mixed and thermally bonded to each other.
Resumen de: WO2025104825A1
This electrolysis cell (10) is provided with: a support substrate (12) that has a first through hole (40a); and a hydrogen electrode collector layer (13) that has a first embedded part (70a) which is embedded in the first through hole (40a). A first layered part (80) includes a first gap (81) that is in contact with a first surface (T1) of the support substrate (12), the first surface being on the hydrogen electrode active layer (14) side. The first embedded part (70a) includes a first gap (71a) that is in contact with the inner peripheral surface (T1) of the first through hole (40a). The first gap (71a) extends along the thickness direction of the support substrate (12).
Resumen de: WO2025105666A1
The present invention relates to an apparatus for manufacturing a water electrolysis membrane and method for manufacturing a water electrolysis membrane using same, and can provide a water electrolysis membrane having excellent physical properties, such as low sheet resistance, low hydrogen permeability, and excellent durability, compared to conventional commercial membranes.
Resumen de: WO2025104823A1
An electrolytic cell device (1) is provided with a current collector member (25) and an electrolytic cell (10) that is electrically connected to the current collector member (25). The electrolytic cell (10) is provided with a hydrogen electrode current collector layer (13), a support substrate (12) that is embedded within the hydrogen electrode current collector layer (13) and has through-holes (40), and a hydrogen electrode active layer (14) disposed on the hydrogen electrode current collector layer (13). The current collector member (25) includes overlapping parts (25a) that overlap the through-holes (40) in a thickness direction, and non-overlapping parts (25b) that do not overlap the through-holes (40) in the thickness direction. The density of the overlapping parts (25a) is greater than the density of the non-overlapping parts (25b).
Resumen de: WO2025104826A1
In the present invention, an electrolysis cell (10) is provided with: a support substrate (12) having a through-hole (40); a hydrogen-pole current collector layer (13) having an embedded section (70) which is embedded in the through-hole (40), and a first layer section (80) continuous with the embedded section (70) and disposed above the support substrate (12); and a hydrogen-pole active layer (14) disposed above the hydrogen-pole current-collector layer (13). The first layer section (80) includes a void (81) that adjoins a first surface (T1) on the hydrogen-pole active layer (14) side of the support substrate (12).
Resumen de: WO2025104824A1
An electrolysis cell (10) is provided with: a support substrate (12) having a through hole (40); a hydrogen electrode current collector layer (13) having an embedded part (70) embedded in the through hole (40); a hydrogen electrode active layer (14) disposed on the hydrogen electrode current collector layer (13); an oxygen electrode layer (17); and an electrolyte layer (15) disposed between the hydrogen electrode active layer (14) and the oxygen electrode layer (17). The embedded part (70) includes a cavity (71a) that is in contact with a first end region (43) of an inner peripheral surface (41) of the through hole (40).
Resumen de: WO2025103494A1
The present invention relates to the field of water electrolysis and hydrogen production. Disclosed is a carbon nanotube-supported nitrogen-doped catalyst. The catalyst has a carbon nanotube structure as a support, and cobalt and ruthenium as active components, wherein the content of the cobalt element is 30-45w%, the content of the ruthenium element is 1-7wt%, and the proportion of the ruthenium element present in the form of RuN is 60-90wt% relative to the total ruthenium element. A graphitized structure of the catalyst is conducive to charge conduction, Ru is uniformly loaded on the surface of the support by means of a low-temperature reduction process and interaction with defect sites on the surface of the support, and then after high-temperature roasting, Ru interacts with the N element and the metal Co, thereby improving the hydrogen evolution catalytic activity of the catalyst.
Resumen de: US2025162891A1
The present invention relates to systems and processes for utilizing produced water and captured carbon dioxide to produce high-value products. The system includes a produced water processing system, a carbon capture system, an electrolyzer, and a conversion chamber. The electrolyzer includes a first chamber, a second chamber, and a semi-permeable membrane and first electrode in the first chamber and a second electrode in the second chamber. The first chamber receives treated saturated produced water. The second chamber is operated at a second operating pressure that is less than the first operating pressure and facilitates the passage of sodium ions across the membrane. A current is applied to the electrodes such that the first electrode functions as an anode and the second electrode functions as a cathode, producing hydrogen gas and sodium hydroxide in the second chamber and chlorine gas in the first chamber. The polarity of the electrodes and the flow of reagents into the first and second chambers and the flow of products out of the first and second chambers may be reversed.
Resumen de: US2025162866A1
A method for producing hydrogen using a feed stream comprising ammonia is provided. The method can include the steps of: heating the feed stream in a first heat exchanger to produce a heated feed stream, wherein the heated feed stream is at a temperature above 500° C.; introducing the heated feed stream into a first reaction zone under conditions effective for catalytically cracking the heated feed stream to produce a raw hydrogen stream, wherein the raw hydrogen stream comprises hydrogen and nitrogen; cooling the raw hydrogen stream by indirect heat exchange against a first cooling fluid to form a cooled hydrogen stream; and purifying the raw hydrogen stream to produce a hydrogen product stream and a tail gas, wherein the tail gas has a higher concentration of nitrogen as compared to the hydrogen product stream.
Resumen de: US2025161923A1
Tantalum nitride and specifically a novel Ta3N5 nanoparticles, such as single crystalline Ta3N5 nanoparticles, are disclosed. The nanoparticles used with a co-catalyst is further disclosed. The present invention also relates to Ta3N5 nanoparticles modified with a metal oxide, such as a CoOxcocatalyst, wherein Ox represents an oxide that is part of the cobalt oxide. A catalyst, such as for water oxidation to produce O2, is disclosed. The nanoparticles can further be modified to include a water reducing catalyst. A water splitting catalyst is further disclosed. Methods of making the nanoparticles and catalyst are also disclosed. Methods to split water utilizing the catalyst are further described.
Resumen de: US2025163597A1
A method of operating an electrolyzer system includes providing steam from a steam source through a system steam conduit to module steam conduits located in respective electrolyzer modules, controlling a flow rate of the steam through the system steam conduit using a system mass flow controller located on the system steam conduit, providing portions of the steam to the module steam conduits and providing steam in the module steam conduits to respective stacks of electrolyzer cells located in respective hotboxes in the respective electrolyzer modules, and operating the stacks to generate a hydrogen product stream and an oxygen exhaust stream.
Resumen de: WO2025103448A1
A method for generating hydrocarbon molecules by magnetic field-assisted energy radiation, comprising: in the presence of an external magnetic field, making a composite catalyst come into contact with at least one hydrogen-containing source; and performing energy radiation on the composite catalyst and the hydrogen-containing source to generate hydrogen molecules, wherein the composite catalyst comprises at least one nano-substrate structure and at least one atomic site, and the atomic site comprises one or more chemical elements selected from the group consisting of Mn, Co, Fe, Al, Cu, Ni, Zn, Ti, La, Ru, Rh, Ag, Au, Pt, Pd, Os, and Ir.
Resumen de: WO2025103030A1
Disclosed in the present invention are an electrolytic hydrogen production system capable of continuously adapting to power supply fluctuation, and an electrolytic hydrogen production method. An electrolytic cell of the electrolytic hydrogen production system comprises n electrolytic sections (6); each electrolytic section (6) comprises 2y electrolytic chambers (5), two cathode end plates (2) and an anode middle plate (1); the two cathode end plates (2) are located at two ends of the electrolytic section (6), and the anode middle plate (1) is located in the middle of the electrolytic section (6); each electrolytic section (6) is divided into a left part and a right part, and each part comprises y electrolytic chambers (5), wherein n is greater than 1, y is greater than 1, and the n electrolytic sections (6) are continuously arranged in series from 1 to n. The electrolytic cell of the electrolytic hydrogen production system of the present invention comprises n electrolytic sections (6), and the temperature of an electrolyte in each electrolytic section (6) of the electrolytic cell is constant during operation, so that the electrolytic hydrogen production system of the present invention can be continuously regulated and controlled in a fluctuating power supply state, has high adaptability, is more adaptable to variable and fluctuating power supply input conditions, and has better safety performance.
Resumen de: WO2025103558A1
Porous hydrophilic separator, its method of production, and an alkaline electrolyzer with such separator In an alkaline electrolyzer (12), especially for production of hydrogen gas, the separator (11) has larger pores in layers (8, 9) on its outer sides (7A, 7C), facing the electrodes (13, 14), than in the bulk layer (10). In a practical embodiment, the separator (11) is composed of two diaphragms (7, 7'), each with asymmetric pore structure, where the diaphragms (7, 7') are oriented such that largest pores are on the outer sides of the sep- arator (11).
Resumen de: WO2025103048A1
Provided are a composite catalyst containing molybdenum oxide, a preparation method therefor, and a use thereof. The preparation method comprises: (1) mixing a molybdate and a ligand to obtain a mixed solution; (2) soaking nickel foam in the mixed solution, to obtain a suspension, the soaking time being not less than 1 hour; (3) performing a hydrothermal reaction and calcination. The preparation method utilizes the etching effect of molybdate on nickel foam, and immerses nickel foam in the mixed solution containing the molybdate and that ligand to cause nickel in the nickel foam to dissolve in the form of ions, which, along with molybdate ions and the ligand, grow a nickel-molybdenum complex transition layer in situ on the surface of nickel foam; by means of the hydrothermal reaction, a nickel-molybdenum-based catalyst precursor is grown on the complex transition layer, and a composite catalyst is obtained after calcination, causing the catalyst to be firmly anchored on the nickel foam substrate, thereby improving the stability and impact resistance of the catalyst, and preventing the active components in the catalyst from falling off or reducing the risk of the active components falling off from the catalyst.
Nº publicación: WO2025103029A1 22/05/2025
Solicitante:
SHENZHEN HINGEAR ENERGY CO LTD [CN]
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Resumen de: WO2025103029A1
Disclosed in the present invention are a multi-section water electrolysis hydrogen production electrolyzer and a method for adjusting a load thereof. The multi-section water electrolysis hydrogen production electrolyzer comprises a left electrode plate (5) and a right electrode plate (9) that are located at two ends, and at least one middle anode plate (7) and at least one middle cathode plate (8) that are located between the two electrode plates, wherein the middle anode plate (7) and the middle cathode plate (8) divide an electrolytic chamber into a plurality of electrolytic cell groups (24). In the present invention, the load power and start/stop of electrolytic cell groups (24) are group-controlled by controlling the magnitudes of a current flowing through a middle anode plate (7) and a voltage applied thereto, such that the change in the load power of the multi-section water electrolysis hydrogen production electrolyzer is realized, and when the load power of some cell groups changes, the remaining cell groups produce hydrogen at an optimal load power.
BOPI
Sede Electrónica
