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627
results.
Updated on
22/12/2025 [06:59:00]
Absstract of: WO2024240539A1
The invention discloses a gas generator (20) for a tool comprising an electrolytic cell (30) for producing oxyhydrogen gas with a hollow cell body (31) and an electrode pair (32) with a first electrode (33) and a second electrode (35). Said first electrode (33) and said second electrode (35) are separated by a non-conductive separator (37) in said hollow cell body (31). A gas extraction tube (55) is arranged in the hollow cell body (31). Furthermore, said invention disclose a usage of such a gas generator in a tool and a tool with such a gas generator.
Absstract of: AU2024221020A1
The invention comprises a method for connecting a pair of electrolyser stacks with electrolyte, electric current and gas drain piping. Accordingly, each pair of stacks of the electrolyser: - through interconnection endplates are supplied with alkaline electrolyte at elevated pressure by common electrolyte supply pipes and further, - through the interconnection endplate drain off oxygen gas containing electrolyte, and hydrogen gas containing electrolyte, to common gas separation vessels for oxygen and hydrogen respectively, - pull first electrically interconnected current injection electrodes adjacent to interconnection endplates to zero electrical potential through a zero potential conductor, and - supply second current injection electrodes placed adjacent to distal endplates with electric current at potentials equally higher and lower respectively than the zero potential at the first electrodes.
Absstract of: WO2025259900A1
A system and method for generating hydrogen using thermal energy in a geothermal fluid are disclosed. An electrical power generation subsystem is configured to receive geothermal fluid from a geothermal fluid source and use thermal energy in the geothermal fluid to generate electrical power. A steam generation subsystem is configured to receive water and produce steam using thermal energy in the geothermal fluid and the electrical power generated by the electrical power generation subsystem. A hydrogen generation subsystem is configured to disassociate hydrogen from the steam using the electrical power generated by the electrical power generation subsystem.
Absstract of: DE102024116793A1
Eine Vorrichtung zur Herstellung flüssiger Kohlenwasserstoffe, mit einem Mischer (3), der einen ersten Eingang (16) für Wasserstoff (8b), einen zweiten Eingang (26) für Kohlendioxid und Kohlenmonoxid sowie einen Ausgang (31) für ein Wasserstoff-Kohlendioxid/Kohlenmonoxid-Gemisch (27) aufweist; ferner mit einem Reaktor (4) zur Durchführung einer rückwärtigen Wassergas-Shift-Reaktion (RWGS-Reaktor) für die Erzeugung von Synthesegas (35), das Kohlenmonoxid und Wasserstoff enthält, wobei der RWGS-Reaktor (4) einen Eingang (32) aufweist, der mit dem Ausgang (31) des Mischers (3) in Strömungsverbindung steht, und einen Ausgang (36) für das Synthesegas (35) aufweist; und mit einem Reaktor (5) zur Durchführung einer Fischer-Tropsch-Synthese (FT-Reaktor) für die Erzeugung flüssiger Kohlenwasserstoffe, der einen Eingang (38) aufweist, der mit dem Ausgang (36) des RWGS-Reaktors (4) in Strömungsverbindung steht, und einen Ausgang (40) für die flüssigen Kohlenwasserstoffe ()39 aufweist; weist einen elektrochemischen Wasserstoffkompressor (2) auf, der einen Eingang (10) für Niederdruck-Wasserstoff (8a) und/oder für ein Wasserstoff (8a) umfassendes Niederdruck-Gasgemisch aufweist und einen Ausgang (11) für Hochdruck-Wasserstoff (8b) aufweist, wobei der Ausgang (11) mit dem ersten Eingang (16) des Mischers (3) in Strömungsverbindung steht.
Absstract of: WO2025258318A1
Provided are: a stack (10, 80) with which it is possible to ensure a flow of gas between a passage and a cell; a hot module (71); and a hydrogen production device (70). This stack comprises: cells (30) including an electrolyte (31) that isolates a fuel electrode (32) and an air electrode (33) from each other in the thickness direction; first separators (27) fixed to the cells; inter-connectors (34) in contact with the air electrodes; second separators (29) fixed to the inter-connectors; electrically insulating frames (28) disposed between the first separators and the second separators; and gas passages (24, 25) extending in the thickness direction of the first separators, the frames, and the second separators. The passages are connected to spaces (37) between the first separators and the second separators. The stack also comprises insulators (50) disposed between the passages and the cells within the spaces. The spaces in which the insulators are disposed each include a gas passage part (52) through which gas passes between the passages and the cells.
Absstract of: WO2025257961A1
This porous metal body sheet is formed of a porous metal body having a skeleton assuming a three-dimensional network structure. The porous metal body sheet has a first main surface and a second main surface on the opposite side to the first main surface. The first main surface includes a first inclined peripheral edge region, a second inclined peripheral edge region opposite to the first inclined peripheral edge region, and a central region between the first inclined peripheral edge region and the second inclined peripheral edge region. The first inclined peripheral edge region and the second inclined peripheral edge region are set apart from each other in a first direction. The first inclined peripheral edge region and the second inclined peripheral edge region each extend along a second direction intersecting the first direction, and are inclined so as to approach the second main surface as the distance from the central region increases in the first direction.
Absstract of: WO2025256113A1
Disclosed in the present invention are a hydrogen production and dissolution control method and system, a computer device, and a storage medium. The method comprises: controlling an electrolytic cell to perform a water electrolysis operation; controlling a separation and purification mechanism to perform gas-liquid separation and hydrogen purification on hydrogen prepared by means of the electrolytic cell, so as to obtain purified hydrogen; controlling a booster to pressurize the purified hydrogen and then input same into a reaction tank; acquiring in real time a pressure signal in the reaction tank detected by a pressure sensor; and when the pressure signal satisfies a preset pressure threshold range, controlling an ultrasonic generator in the reaction tank to perform a hydrogen dissolution operation and timing, and when the hydrogen dissolution operation time is equal to a preset operation threshold, controlling the ultrasonic generator and the booster to stop operating. The present invention enables gas-liquid separation and hydrogen purification of the hydrogen prepared by means of the electrolytic cell, and uses ultrasonic vibration to perform a hydrogen dissolution operation on the hydrogen in a high-pressure environment, thereby achieving a rapid hydrogen dissolution operation and high hydrogen dissolution efficiency and dissolved hydrogen content.
Absstract of: WO2025255634A1
A method of producing green iron, the method including the step of using renewable electricity and hydrogen to convert iron ore into iron. The renewable electricity may be produced by solar and/or wind generation. The hydrogen may be in the form of green hydrogen. The method may produce less than 50 kg of carbon dioxide per tonne of iron produced.
Absstract of: WO2025257962A1
This porous metal sheet is formed of a porous metal having a skeleton with a three-dimensional network structure. The porous metal sheet has a main surface in which a plurality of grooves are formed. An upper chamfer is formed on the upper corner of each of the plurality of grooves. A lower chamfer is formed on the lower corner of each of the plurality of grooves.
Absstract of: US2025382712A1
A system and method for generating hydrogen using thermal energy in a geothermal fluid are disclosed. An electrical power generation subsystem is configured to receive geothermal fluid from a geothermal fluid source and use thermal energy in the geothermal fluid to generate electrical power. A steam generation subsystem is configured to receive water and produce steam using thermal energy in the geothermal fluid and the electrical power generated by the electrical power generation subsystem. A hydrogen generation subsystem is configured to disassociate hydrogen from the steam using the electrical power generated by the electrical power generation subsystem.
Absstract of: US2025382531A1
A first aspect of the invention relates to a process for production of a stabilized hydrocarbon product from solid feedstock, said method comprising the steps of, providing a solid feedstock for thermal decomposition, directing said solid feedstock for thermal decomposition to a thermal decomposition process to provide a fluid product of thermal decomposition and a solid phase, directing as raw feedstock at least an amount of said fluid product of thermal decomposition and an amount of hydrogen to contact a material catalytically active in hydrogenation of conjugated diolefinic carbon-carbon bonds under active conditions for hydrogenation of conjugated diolefinic carbon-carbon bonds, characterized in the ratio between hydrogen and raw feedstock is from 1 Nm3/m3 to 100 Nm3/m3. This has the associated benefit of such a process requiring only a low amount of hydrogen, while still providing a stabilized hydrocarbon product for transport.
Absstract of: US2025382713A1
There provided a method for producing an electrolysis electrode having excellent catalytic activity such as low oxygen overpotential and including a catalyst having excellent stability such as reducing loss of a catalyst component such as iridium (Ir). The method for producing an electrolysis electrode includes a step of coating a catalyst precursor composition containing an iridium component and the like on a surface of an electrically conductive substrate, a step of obtaining a primary baked product by thermal treating the electrically conductive substrate coated with the catalyst precursor composition, and a step of forming a catalyst layer containing an iridium oxide on the surface of the electrically conductive substrate by thermal treating the primary baked product, wherein the iridium component is an iridium compound containing a carboxy group, and the content of nickel (Ni) is 10 to 35% by mass, the content of cobalt (Co) is 25 to 55% by mass, and the content of iridium (Ir) is 15 to 55% by mass in the catalyst precursor composition, provided that Ni+Co+Ir=100% by mass.
Absstract of: US2025382717A1
A facility for producing hydrogen comprising: A series of n electrolysers configured to electrolyze water and generate a hydrogen-aqueous solution mixture, said series having an overall capacity greater than 40 MW;A gas-liquid separation device configured to remove the aqueous solution contained in the hydrogen-aqueous solution mixture generated by the series of n electrolysers, and produce a hydrogen stream; andn lines configured to deliver the hydrogen-aqueous solution mixture generated by the n electrolyzers to the gas-liquid separation device.
Absstract of: US2025382710A1
Disclosed herein are low voltage electrolyzers and methods and systems of using those low voltage electrolyzers. Specifically, the electrolyzers can include a pH buffer in the catholyte and/or anolyte of the electrolyzer and generating a gas at the cathode or anode that is consumed at the other of the cathode or anode to reduce the open-circuit potential.
Absstract of: WO2025257571A1
The present invention provides an ion-conducting membrane comprising: (a) an ion-conducting polymer; and (b) a hydrogen radical scavenger.
Absstract of: WO2025256864A1
The invention relates to an electrolysis cell (12) for electrochemically separating water into hydrogen and oxygen, comprising: - an anode-side half-cell (16) for providing the oxygen, - a cathode-side half-cell (18) for providing the hydrogen, and - a separator element (20) between the anode-side half-cell (16) and the cathode-side half-cell (18). According to the invention, the electrolysis cell (12) has - a frame unit (10) having an anode-side frame part (22), on which the anode-side half-cell (16) is provided, and a separate cathode-side frame part (24), on which the cathode-side half-cell (18) is provided, and - at least one first sealing element (26), which is provided between the anode-side frame part (22) and the cathode-side frame part (24).
Absstract of: US2025382527A1
A process for the production of sustainable aviation fuel (SAF) with low carbon intensity. The jet fuel is produced from the reaction of hydrogen from the electrolysis of water with captured carbon dioxide. The hydrogen and carbon dioxide are reacted to product a stream comprising carbon monoxide. Hydrogen and carbon monoxide are reacted to produce n-alkanes. Alkanes are hydroisomerized to produce sustainable aviation fuel with low carbon intensity.
Absstract of: US2025381499A1
The present invention regards a process for operating a high-temperature solid oxide electrolysis system suitable for converting a fuel stream into a product stream as well as a system for carrying out the process. The process involves drying a moist flush gas and using the spent flush gas as regeneration gas in the drying unit.
Absstract of: US2025382898A1
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: WO2025259118A1
The present invention is concerned with device that is configured to be administered to the gut digestate of a ruminant animal, which device is capable of generating electrical energy from a gut digestate and/or measuring the concentration of hydrogen (H2) and/or oxygen (O2) that is present in the gut digestate. Further, the device according to the present invention may be modified to include an electrical load adjustment means (e.g. resistor, variable resistor etc) which may be used to adjust the electrical load of the device sufficient to cause the prescribed removal of H2, and in particular dissolved hydrogen (dH2), from the gut digestate. As such the device according to the present invention may be employed to adjust the amount of dH2 available to methanogenic archaea while at least not compromising animal productivity, thereby reducing the amount of methane released in the atmosphere which has an important environmental impact in terms of reducing greenhouse gas emissions.
Absstract of: CN120693423A
An electrolyzer system (10) and a method of operating an electrolyzer system (10) comprising an electrolyzer (16) and a metal hydride or adsorption-desorption compressor (24) wherein the electrolyzer (16) has at least one electrolytic cell having a vapor input (22) and at least one gas output. The method comprises supplying steam through a first side of the electrolytic cell at the steam input (22), operating the electrolyzer (16) to decompose a portion of the steam into hydrogen and oxygen in the at least one electrolytic cell, a mixture of the hydrogen and residual steam from a first side of the electrolytic cell is discharged at the at least one gas outlet (18), and the mixture is introduced into the metal hydride or adsorption-desorption compressor (24), and adsorbing the hydrogen in the mixture at a low temperature in the metal hydride or adsorption-desorption compressor (24) to compress the hydrogen, and desorbing the compressed hydrogen from the metal hydride or adsorption-desorption compressor (24). The electrolyzer system (10) is connected to a cold exhaust gas source to operate the cryogenic adsorption.
Absstract of: MX2025009259A
A hydrogen generation system includes: a direct current (DC) power supply providing a driver signal, a reactive circuit coupled to the power supply and configured to generate a pulse drive signal from the driver signal, at least one reaction chamber coupled to the reactive circuit and receiving the pulse drive signal wherein the chamber is configured to generate hydrogen from feedstock material utilizing the pulse drive signal, a gas analyzer coupled to the at least one reaction chamber and configured to detect the generated hydrogen, and a control unit coupled to the reactive circuit and to the gas analyzer and configured to control the reactive circuit based on the detected hydrogen. The reaction chamber includes a plurality of positively charged elements and a plurality of negatively charged elements. The elements are composed of non-dis similar metallic material.
Absstract of: GB2641804A
An ion-conducting membrane comprises (a) an ion-conducting polymer; and (b) a hydrogen radical scavenger. Also, a method of preventing degradation of an ion-conducting membrane by hydrogen radicals comprises using a material having a rate constant for the reaction with a hydrogen radical (H·) of at least 1 x 107 M-1s-1. The ion-conducting membrane 4 is preferably a proton-exchange membrane and may further comprise a reinforcing layer 5 formed from a porous polymer impregnated with the ion-conducting polymer. Anode 3 and cathode 2 catalyst layers are provided on opposite sides of the membrane to form a catalyst coated membrane for a fuel cell or water electrolyser.
Absstract of: WO2024165389A1
The present invention relates to a pyrogenic process for manufacturing metal oxides or metalloid oxides wherein a metal precursor and/or a metalloid precursor is introduced into a flame formed by burning a gas mixture comprising oxygen and hydrogen, wherein at least a part of the hydrogen has been obtained from electrolysis of water or an aqueous solution, using electrical energy, at least a part of which has been obtained from a renewable energy source, and wherein at least a part of the thermal energy of the flame is transferred to a first heat transmission medium by means of at least one exchanger, thereby heating the first heat transmission medium to a maximal temperature in the range between 80 and 150 °C.
Nº publicación: EP4662355A2 17/12/2025
Applicant:
EVOLOH INC [US]
Evoloh, Inc
Absstract of: CN120659910A
The application relates to a flow field for use in an electrolytic cell comprising one or more porous sheets having a corrugated structure. The electrolytic cell comprises a membrane, an anode, a cathode, an anode reinforcement layer, a cathode reinforcement layer, an anode flow field, a cathode flow field, and a bipolar plate assembly comprising an embedded hydrogen seal. The anode flow field includes one or more porous sheets having at least one straight edge, and wherein at least one of the porous sheets has the form of a corrugated pattern having a plurality of peaks and valleys whose axes are substantially aligned with one straight edge of the sheet. The anode flow field geometry simultaneously provides elasticity for efficient mechanical compression of the cell and well distributed mechanical support for anode reinforcement layers adjacent the anode flow field.
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