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920
results.
Updated on
10/06/2025 [07:00:00]
Results 100 to 125 of 920
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: US2025163593A1
A wind power plant is provided, including: one or more generator devices for generating electrical power from wind power; a plurality of hydrogen production units for producing hydrogen from the generated electrical power; a plurality of DC-DC converters each being electrically connected with the one or more generator devices and with a respective one of the plurality of hydrogen production units, and each DC-DC converter being configured for supplying power with a tunable output voltage to the respective hydrogen production unit; and a control device for controlling the power supplied by each DC-DC converter to the respective hydrogen production unit based on a current power output of the one or more generator devices. With the proposed wind turbine plant the supply of power to the plurality of hydrogen production units can be improved.
Absstract of: US2025163586A1
The invention relates to a method for operating an electrolysis plant having an electrolyser for generating hydrogen (H2) and oxygen (O2) as product gases, with water being supplied as starting material and being split at a proton-permeable membrane into hydrogen (H2) and oxygen (O2), a product gas stream being formed in a phase mixture comprising water (H2O) and a relevant product gas, and a product gas stream being supplied to a gas separator arranged downstream of the electrolyser, characterized in that the fluoride release of the membrane is determined on the basis of the operating time, the temporal progression of the fluoride concentration being ascertained, with a measure for the operation-induced degradation of the proton-permeable membrane being ascertained as the result of a release of fluoride. The invention furthermore relates to a corresponding electrolysis plant and to a measuring device for carrying out the method.
Absstract of: US2025163830A1
An energy storage system converts variable renewable electricity (VRE) to continuous heat at over 1000° C. Intermittent electrical energy heats a solid medium. Heat from the solid medium is delivered continuously on demand. An array of bricks incorporating internal radiation cavities is directly heated by thermal radiation. The cavities facilitate rapid, uniform heating via reradiation. Heat delivery via flowing gas establishes a thermocline which maintains high outlet temperature throughout discharge. Gas flows through structured pathways within the array, delivering heat which may be used for processes including calcination, hydrogen electrolysis, steam generation, and thermal power generation and cogeneration. Groups of thermal storage arrays may be controlled and operated at high temperatures without thermal runaway via deep-discharge sequencing. Forecast-based control enables continuous, year-round heat supply using current and advance information of weather and VRE availability. High-voltage DC power conversion and distribution circuitry improves the efficiency of VRE power transfer into the system.
Absstract of: US2025163587A1
An electrolyzer or unitized regenerative fuel cell has a flow field with at least one channel, wherein the cross-sectional area of the channel varies along at least a portion of the channel length. In some embodiments the channel width decreases along at least a portion of the length of the channel according to a natural exponential function. The use of this type of improved flow field channel can improve performance and efficiency of operation of the electrolyzer device.
Absstract of: US2025163594A1
An electrolyzer system includes stacks of electrolyzer cells configured receive steam and air, and output a hydrogen product stream and an oxygen exhaust stream, and a first heat pump configured to extract heat from the oxygen exhaust stream to generate a first portion of the steam provided to the stacks.
Absstract of: 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).
Absstract of: 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.
Absstract of: 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.
Absstract of: 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).
Absstract of: 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.
Absstract of: 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).
Absstract of: 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).
Absstract of: 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).
Absstract of: 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.
Absstract of: 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).
Absstract of: 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.
Absstract of: WO2025103570A1
A method of producing hydrogen by reacting silicon powder and water, comprises providing water in a reactor (120), providing loose silicon powder in the reactor (120), dispersing the silicon powder in the water in the reactor (120), and5 collecting hydrogen gas from the reactor (120). The silicon powder is provided as a plurality of silicon doses, each silicon dose comprising a predetermined amount of the silicon powder. The disclosure provides methods systems and energy carriers which are suitable in the context of production of hydrogen by reacting silicon powder and10 water. (Fig. 1) 15
Absstract of: EP4556437A1
The present invention relates to a system for producing blue hydrogen, capturing carbon dioxide and sulfur oxide, recycling carbon and storing reactants, generating power by using a fuel cell, and creating an artificial forest. One embodiment of the present invention comprises: a natural gas storage that stores liquefied natural gas (LNG) including shale gas; a hydrocarbon reformer that reacts the natural gas or the shale gas supplied from the natural gas storage with externally injected water to produce a gaseous mixture containing hydrogen and carbon dioxide; a hydrogen charging station that receives and stores the hydrogen generated from the hydrocarbon reformer; a reactor that receives at least one of carbon dioxide generated from the hydrocarbon reformer or carbon dioxide generated from an exhaust gas source including a power plant, a steel mill, or a cement factory, reacts same with a basic alkali mixture to capture carbon dioxide, collects a reactant containing the collected carbon dioxide, and separates a carbon dioxide reactant and waste solution from the reactant; a carbon resource storage that stores the carbon dioxide reactant separated at the reactor; a hydrogen generator that directly receives the separated carbon dioxide reactant from the reactor or generates hydrogen by using the carbon dioxide reactant delivered via the carbon resource storage, and transfers the generated hydrogen to the hydrogen charging station; a fuel cell that receives the hydrogen from t
Nº publicación: EP4556436A1 21/05/2025
Applicant:
LOWCARBON CO LTD [KR]
Lowcarbon Co., Ltd
Absstract of: EP4556436A1
The present disclosure relates to a system for generation of blue hydrogen through natural gas reforming, carbon dioxide capture, carbon resource utilization, and reaction product storage. According to an embodiment of the present invention, the system comprises: a natural gas storage container for storing liquefied natural gas (LNG) including shale gas; a hydrocarbon reformer in which a gas mixture containing hydrogen and carbon dioxide is produced by a reaction between water supplied from outside and the natural gas or shale gas supplied from the natural gas storage container; a hydrogen filling station in which hydrogen produced from the hydrocarbon reformer is received and stored; a reactor in which carbon dioxide produced from the hydrocarbon reformer is received and reacted with a basic alkali mixed solution to capture carbon dioxide, and a reaction product comprising the captured carbon dioxide is collected, and a carbon dioxide reaction product and a waste solution are separated from the reaction product; a carbon resource storage container storing the carbon dioxide product separated from the reactor; and a hydrogen generator in which the carbon dioxide reaction product separated from the reactor is directly received or the carbon dioxide reaction product received via the carbon resource storage container is used to product hydrogen, and the produced hydrogen is delivered to the hydrogen filling station.
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