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540
results.
Updated on
29/12/2025 [06:56:00]
Absstract of: TW202506536A
A system for the catalytic cracking of ammonia to produce hydrogen, the system comprising: a main ammonia cracking reactor comprising one or more reaction tubes containing ammonia cracking catalyst and a fuel combustion zone surrounding the one or more reaction tubes to provide heat energy to support the cracking of ammonia in the one or more reaction tubes to generate a main hydrogen containing gas stream; and an auxiliary ammonia cracking reactor for cracking ammonia to generate an auxiliary hydrogen containing gas stream, the system being configured to direct the auxiliary hydrogen containing gas stream to both the ammonia cracking catalyst within the one or more reaction tubes of the main ammonia cracking reactor and to the combustion zone of the main ammonia cracking reactor to at least partially fuel the main ammonia cracking reactor.
Absstract of: CN119332296A
The invention relates to the field of electrocatalysts, in particular to an iridium dioxide/molybdenum disulfide/carbon matrix heterostructure electrocatalyst, a preparation method and application. According to the iridium dioxide/molybdenum disulfide/carbon matrix heterostructure electrocatalyst provided by the invention, IrO2 and MoS2 in a heterojunction structure can be mutually adjusted, so that the electrocatalyst has a higher electron transfer rate, excellent hydrophilicity, proper OH * adsorption capacity and a higher deprotonation rate, has better electrochemical performance in catalytic electrolysis of water, and can be used for preparing a high-performance electrocatalyst. In an oxygen evolution reaction, the iridium oxide shows performance far superior to that of commercial iridium oxide, and has relatively low overpotential and relatively high quality activity; good electrochemical performance is shown in the aspect of hydrogen precipitation and is superior to that of commercial Pt/C; and the used material shows relatively low decomposition voltage when being applied to electrolyzed water. Therefore, the IrO2/MoS2/CNT heterostructure catalyst can be widely and deeply applied to electrolyzed water.
Absstract of: GB2641899A
A hydrogen extraction system for extracting hydrogen from a liquid electrolyte 102 comprising at least one isotopologue of lithium hydride, the system including an electrolysis cell 100 comprising: a first electrode for generating hydrogen from the liquid electrolyte 102; a second electrode spaced apart from the first electrode; and a solid-state electrolyte 112 comprising a high entropy oxide (HEO) material for physically isolating one of the electrodes from the liquid electrolyte 102 and conducting ions from the liquid electrolyte 102 and the electrode thus physically isolated. The HEO material may comprise five or more different metal cations, comprising magnesium (Mg), cobalt (Co), nickel (Ni), copper (Cu), and zinc (Zn), and may comprise lithium (Li). A method of extracting hydrogen using the extraction system is defined. A tritium breeding system is defined, comprising the hydrogen extraction system and a breeder blanket, the breeding system configured to supply liquid electrolyte comprising at least one tritium-containing isotopologue of lithium hydride to the electrolysis cell from the breeder blanket and to return liquid electrolyte to the breeder blanket from the electrolysis cell following electrolysis of the at least one tritium-containing isotopologue of lithium hydride.
Absstract of: EP4667621A1
The present application relates to an electrolyzer. The electrolyzer comprises a plurality of cells (1) defining a cell stack (1), each cell (1) comprising first and second cavities, channels (2) for input of a liquid electrolyte into each cavity of each cell (1); output channels (31, 32) for output of hydrogen from the first cavities; and outlet channels (31, 32) for oxygen output from the second cavities, wherein each cell (1) defines a first half (A) and a second half (B), wherein the inlet channels (2) are located in the first half (A) and the outlet channels (31, 32) are located in the second half (B). This arrangement of the input and output channels improves the efficiency of the cells both individually and collectively, and reduces corrosion effects normally generated by hot spots.
Absstract of: CN120858473A
The invention relates to a component comprising a metal substrate and a layer of an amorphous carbon-based material having sp2 hybrid bonds and sp3 hybrid bonds wherein the layer has a first content of sp3 hybrid bonds on the substrate side and a second content of sp3 hybrid bonds on the outer surface side of the layer, the first content being greater than the second content; it is characterized in that the average content of sp3 hybrid bonds within the layer is from 5% to 65%, preferably from 5% to 45%, and in that the content of sp3 hybrid bonds varies continuously within the layer.
Absstract of: WO2024166004A1
Electrolytic cell (10) for the decoupled electrolysis of water comprising a first electrode (11), for the production of hydrogen (H2) and oxygen (O2), alternatively; a second electrode (12); an alkaline aqueous solution (13) in which the first electrode and the second electrode are immersed; polarity reversal means operatively connected to both the first electrode and the second electrode; the first electrode and the second electrode are polarized in the opposite way to each other in all operating conditions; the second electrode (12) comprises porous conductive carbon.
Absstract of: WO2024170902A1
An oxygen evolution catalyst material is provided, the catalyst material comprising iridium oxide (IrOx) and a potassium iridate crystalline phase. The potassium iridate crystalline phase provides a reflection in the x-ray diffraction (XRD) pattern of the catalyst material at 20 = 13° and offers high oxygen evolution catalyst activity.
Absstract of: EP4667623A1
This hydrogen production system comprises: a solid oxide electrolysis cell (SOEC) that electrolyzes water vapor; a water vapor generation device that heats supply water to generate water vapor; and a combustor that partially burns hydrogen included in water vapor discharged from a hydrogen electrode of the SOEC. The water vapor generation device is configured such that the supply water is at least partially heated through heat exchange between at least part of the supply water and gas including combustion gas generated in the combustor so as to produce at least part of the water vapor.
Absstract of: WO2024170774A1
The present invention relates to a method of producing green hydrogen and associated products from pyrite separated from mine waste (e.g., disposed tailings or active tailings streams) in an energetically self-sustained process. This is achieved by a method according to the present invention comprising the following steps: (a) separation and enrichment of a mine waste material comprising pyrite to obtain a pyrite concentrate, (b) oxidation of the pyrite concentrate to obtain SO2 gas; (c) separation of the SO2 gas; (d) utilization of SO2 gas from step (c) to generate H2 gas and H2SO4 via a SO2-depolarized electrolyzer (SDE) process or a sulfur-iodine-cycle (S-I-cycle) process.
Absstract of: AU2024222987A1
A system, comprising: an electrolyzer having a plurality of electrolysis cells arranged in a cell stack, wherein the electrolysis cells are electrically connected in series and grouped into two or more cell groups, each cell group having an electrical contact at either end; an electrical circuit having one or more switches, each switch coupled between the electrical contacts of a respective one of the cell groups and configured to selectively disconnect the cell group from the cell stack by electrically bypassing the cell group via a lower resistance path, to thereby vary the number of active electrolysis cells in the cell stack; and a controller configured to determine the number of active electrolysis cells based on a variable amount of direct current (DC) electrical energy supplied to the cell stack by an electrical energy source, and to control the one or more switches based on the determination.
Absstract of: CN120882907A
A system and method for generating hydrogen from a liquid source comprising water is disclosed. The system comprises: a high fluid velocity electrolysis cell comprising an inlet and an outlet, the inlet of the high fluid velocity electrolysis cell being fluidly connected to a liquid source; and a gas fractionation system fluidly connected to the outlet of the high fluid velocity electrolysis cell.
Absstract of: EP4667624A1
An electrode catalyst layer 2 includes catalyst particles 12, an ionomer 13, and ionomer-adsorptive carbon fibers 14α. The ionomer-adsorptive carbon fibers 14α may have an adsorption amount of the ionomer of 10 mg or more per 1 g of the ionomer-adsorptive carbon fibers, may have a diameter in a range of 50 nm or more and 1 µm or less, and may be vapor-grown carbon fibers (VGCF) subjected to hydrophilic treatment.
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: AU2024291248A1
The present invention refers to an electrolyzer (1) for the production of hydrogen from an alkaline electrolyte. The electrolyzer (1) comprises a first header (11) and a second header (12) between which a plurality of elementary cells (20) and a plurality of bipolar plates (5, 5', 5'') are stacked. Each bipolar plate (5) separates two adjacent elementary cells. According to the invention, each of said bipolar plates (5, 5',5'') comprises two plate-form components (5A, 5B) coupled together and configured so as to define one or more inner cavities (66) for the circulation of a cooling fluid. Furthermore, each bipolar plate (5, 5', 5'') comprises an inlet section (SI) and an outlet section (SV) respectively for the inlet and outlet of said cooling fluid in said one or more inner cavities (66).
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: WO2025257571A1
The present invention provides an ion-conducting membrane comprising: (a) an ion-conducting polymer; and (b) a hydrogen radical scavenger.
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: 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: 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.
Nº publicación: AU2024281599A1 18/12/2025
Applicant:
KELLOGG BROWN & ROOT LLC
KELLOGG BROWN & ROOT, LLC
Absstract of: AU2024281599A1
A multi-tier integrated power-to-ammonia system includes a converter for generating ammonia and heat through a reaction involving a compressed mixture of hydrogen and nitrogen gases. The system includes a steam generator that can generate steam using the heat from the reaction, and a reversible solid-oxide system in fluid communication with the steam generator that can separate the steam into oxygen gas and hydrogen gas.
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