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487
resultados
Última actualización
01/01/2026 [06:59:00]
Resumen de: EP4672127A1
A control apparatus for controlling a hydrogen manufacturing device for manufacturing hydrogen and a hydrogen carrier manufacturing device for converting the hydrogen into a hydrogen carrier, the control apparatus including an information acquisition unit configured to acquire information related to manufacturing of the hydrogen and the hydrogen carrier; and a device control unit configured to control an operation state of at least one of the hydrogen manufacturing device or the hydrogen carrier manufacturing device by using the information.
Resumen de: EP4672389A1
An electrolyzer system and a fuel cell system that include hydrogen blowers configured to compress hydrogen streams generated by the systems. The electrolyzer system includes a steam generator configured to generate steam, a stack of solid oxide electrolyzer cells configured to generate a hydrogen stream using the steam received from the steam generator, a hydrogen blower configured to pressurize the hydrogen stream generated by the stack, and a hydrogen processor configured to compress the pressurized hydrogen stream.
Resumen de: EP4671197A1
A method of producing hydrogen gas comprises the step of contacting at least one metal compound with water in the reactor vessel (2) to generate hydrogen gas. The metal compound is provided as grains that have a grain size of at least 0.2 millimeter. A production device (1) for producing hydrogen gas according to said method comprises at least one reactor vessel (2) for receiving the metal compound and water, and further comprises at least one dosing arrangement (4) that is configured to supply one or more doses of the metal compound into the reactor vessel (2).
Resumen de: EP4671415A1
A separator for water electrolysis comprising a cathode facing side (101) and an anode facing side (201), characterized in that the cathode- and anode facing sides are visually distinct.
Resumen de: AU2024224275A1
A process for the reaction of aluminium with water comprising the steps of adding aluminium metal to an aqueous solution comprising potassium hydroxide at a concentration of between 0.1M and 0.4M and a surfactant; agitating the mixture of previous step; and collecting generated hydrogen. A composition for use in such a process for reacting aluminium with water, comprising potassium hydroxide and a surfactant.
Resumen de: CN120787270A
The invention relates to a bipolar plate (14) for an electrolytic cell (10), comprising a central web (141) and a ring (142) surrounding the central web (141). The ring (142) is made of synthetic material, and the central web (141) is made of metal and has an outer periphery embedded in the ring (142). The invention also relates to an electrolytic cell and to an electrolytic cell stack comprising such a bipolar plate.
Resumen de: WO2024217742A1
A wind turbine is provided that comprises a nacelle (10) arranged on a wind turbine tower (103) and comprising an electrical power generation system (20), a nacelle housing (11) of the nacelle, wherein the nacelle housing (11) houses at least part of the electrical power generation system (20), and a hydrogen production system (30) including a hydrogen production unit (36). The hydrogen production unit (36) comprises an electrolyzer (31) configured to receive electrical power from the electrical power generation system (20), wherein the hydrogen production unit (36) is mounted to a top of the nacelle (10) outside of the nacelle housing (11).
Resumen de: AU2024224224A1
In a gas pressure balance method in an electrolyser system a predefined pressure difference between pressures in an oxygen gas separation tank and a hydrogen gas separation tank is maintained by controlled release of gases through an oxygen back pressure valve and a hydrogen back pressure valve. in a first step, for each of the oxygen back pressure valves and the hydrogen back pressure valves, a predefined, calibrated pilot gas pressure is generated and in a second step, the predefined, calibrated pilot gas pressures are forwarded to the respective back pressure valves and in a third step, hydrogen and oxygen gasses are released whenever the gas pressures in the hydrogen and oxygen separation tanks exceeds the predefined, calibrated pilot pressure in the respective pilot gas streams.
Resumen de: EP4671196A1
Title: Integrated process of ammonia cracking and reverse water gas shiftProcess for the production of carbon monoxide, said process comprising:• providing an ammonia stream and a carbon dioxide stream,• performing an endothermic cracking reaction of said ammonia stream for producing a cracked gas (5) comprising hydrogen and nitrogen,• performing a reverse water gas shift reaction with said hydrogen from the cracked gas and said carbon dioxide stream as reactants, for producing a product gas (6) comprising carbon monoxide and water.
Resumen de: WO2024262446A1
In the present invention, a water electrolysis electrode 1 comprises an electroconductive substrate 10 and a layered double hydroxide layer 20. The layered double hydroxide layer 20 is provided on a surface of the conductive substrate 10. The layered double hydroxide layer 20 has two or more types of transition metals. The contact angle of the surface of the layered double hydroxide layer 20 is 20° to 100°. The contact angle of the surface of the layered double hydroxide layer 20 may be 26° or greater.
Resumen de: AU2024213038A1
An electrolyser system and method of electrode manufacture. The electrolyser system may comprise a first vessel in communication with an electrolyser stack, a power supply, an electrode, a separator, a membrane, and a second vessel in communication with the electrolyser stack. The electrode may comprise a catalytic material and a micro- porous and/or nano-porous structure. The method of electrode manufacture may comprise providing a substrate, contacting the substrate with an acidic solution, applying an electric current to the substrate, simultaneously depositing a main material and supporting material comprising a scarifying material onto the substrate, and leaching the scarifying material.
Resumen de: 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.
Resumen de: 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.
Resumen de: WO2024097986A2
Disclosed herein are devices, systems, and methods of using aluminum, activated with a liquid metal catalyst stored inside of one or multiple shipping containers or shipping container-like boxes to produce hydrogen and direct heat on demand.
Resumen de: CN120390829A
The present invention provides a small high-voltage electrolyzer for generating hydrogen and oxygen, the small high-voltage electrolyzer comprising: one or more cells each comprising a plurality of high-voltage electrolysis cells wherein the electrolysis cells of the respective cells are electrically connected in series; and a central electrolyte header functionally connected to each of the electrolytic cells for supplying a liquid electrolyte to the cell; a central hydrogen header connected to each of the electrolytic cells for discharging the generated hydrogen from the cells; a central oxygen header connected to each of the electrolytic cells for discharging the generated oxygen from the cells; the direct-current power supply is used for supplying power to each unit of the electrolytic bath which is connected in series; wherein the cells of the electrolytic cells connected in series are electrically connected in parallel.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Resumen de: DE102024205651A1
Die Erfindung betrifft eine Stackanordnung (1) für eine elektrochemische Anlage, insbesondere eine Elektrolyseanlage oder ein Brennstoffzellensystem, umfassend mindestens einen Stack (2) sowie eine den mindestens einen Stack (2) aufnehmende Einhausung (3). Erfindungsgemäß bildet die Einhausung (3) mindestens zwei Aufnahmeräume (4) aus, die durch mindestens eine Trennwand (5) voneinander getrennt sind, vorzugsweise gasdicht getrennt sind, wobei in einem ersten Aufnahmeraum (4.1) der mindestens eine Stack (2) und in einem weiteren Aufnahmeraum (4.2) mindestens eine Komponente (6) eines Subsystems der elektrochemischen Anlage aufgenommen ist.Die Erfindung betrifft ferner eine elektrochemische Anlage mit einer erfindungsgemäßen Stackanordnung (1).
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Nº publicación: EP4665888A2 24/12/2025
Solicitante:
HYDROGEN WAVES LTD [GB]
Hydrogen Waves Ltd
Resumen de: 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.
BOPI
Sede Electrónica
