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450
resultados
Última actualización
07/01/2026 [07:08:00]
Resultados 25 a 50 de 450
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: KR20250178335A
본 발명에 따른 촉매 구조체의 제조 방법은, 니켈을 포함하는 다공성 지지체 준비하는 단계, 황을 포함하는 제1 소스, 셀레늄을 포함하는 제2 소스, 및 형상제어제를 준비하는 단계, 상기 제1 소스, 상기 제2 소스, 및 상기 형상제어제를 혼합하여 촉매 소스를 제조하는 단계, 및 상기 다공성 지지체 및 상기 촉매 소스를 수열 합성하여 니켈, 황, 및 셀레늄을 포함하는 촉매 로드(rod)를 제조하는 단계를 포함할 수 있다.
Resumen de: WO2025262481A1
The present invention relates to an apparatus (1) for the electrochemical generation of gaseous hydrogen starting from an aqueous solution comprising at least one electrolyte, and the related method. The apparatus (1) comprises: - at least one anode (2) arranged, in use, in said aqueous solution; - at least one cathode (3) electrically connected to said anode (2) to form an electrochemical cell, said cathode (3) being arranged, in use, in said aqueous solution, wherein said anode (2) is made of a material comprising at least 90% metallic magnesium.
Resumen de: WO2025261987A1
A hydrogen extraction system for extracting hydrogen from a liquid electrolyte comprising at least one isotopologue of lithium hydride. The system includes an electrolysis cell comprising: an anode for generating hydrogen from the liquid electrolyte; a cathode spaced apart from the anode; and a solid-state electrolyte comprising a lithium-containing high entropy oxide (HEO) material. The solid-state electrolyte is for physically isolating the cathode from the liquid electrolyte and conducting lithium ions from the liquid electrolyte to the cathode.
Resumen de: WO2025262308A1
The invention essentially consists in producing at least one closed loop provided with a heat exchanger in order to achieve indirect thermal coupling by returning at least high-temperature and/or low-temperature waste heat from a production unit (500) for producing at least one synthetic fuel to a thermal power plant (1), wherein the thermal power plant (1) is provided with a system (10) for converting heat into electricity, and wherein the hydrogen required for the production unit is supplied by a hydrogen-production unit (300) that produces hydrogen by electrolysis and is itself thermally coupled to the thermal power plant.
Resumen de: WO2025261939A1
The invention relates to an installation (2) comprising an electrochemical device (4) for producing dihydrogen, and a cooling device (6) which has: • a cooling unit (32) for cooling a heat transfer fluid (30); • a heat exchanger (34) configured for the exchange of heat between the heat transfer fluid (30) and at least a portion of the electrochemical device (4); • a decoupling tank (36) fluidically connected between the cooling unit (32) and the heat exchanger (34); • an electrical energy storage unit (26); • at least one electric pump (37) configured to circulate the heat transfer fluid (30) between the decoupling tank (36) and the heat exchanger (34); and • a control unit (28) configured to control the supply of electrical energy to each electric pump (37) by the electrical energy storage unit (26) if a supply fault of the cooling unit (32) is detected.
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: WO2025263231A1
Provided are: a porous film for water electrolysis, the porous film containing an organic polymer that has a porous structure, wherein both surfaces of the porous film each have five or more pores that have a diameter of 1 µm or more in a 10 μm square area, the average pore diameter is 0.3 µm or less as measured by a bubble point method, and the thickness is 200 µm or less; a method for producing the same; an alkaline water electrolysis member; an alkaline water electrolysis cell; an alkaline water electrolysis device; and a method for producing hydrogen.
Resumen de: WO2025263498A1
Provided are: a catalyst for a hydrogen generation reaction, the catalyst having extremely high catalytic ability in a hydrogen generation reaction and not utilizing any rare metal; a liquid composition or an electrode that contains the catalyst for a hydrogen generation reaction; and a water electrolysis device comprising the electrode. Provided are a catalyst for a hydrogen generation reaction containing an electroconductive material and a metal complex having a specific structure, a liquid composition containing the catalyst for a hydrogen generation reaction, an electrode including the catalyst for a hydrogen generation reaction, and a water electrolysis device comprising the electrode.
Resumen de: WO2025263025A1
This water electrolysis system includes: a water electrolysis device including a water electrolysis cell that generates hydrogen by electrolysis; a power supply device capable of supplying, to the water electrolysis device, a drive voltage for causing electrolysis in the water electrolysis cell and a voltage having polarity opposite that of the drive voltage; and a control device that controls the driving of the power supply device. In operation stop processing for stopping the electrolysis caused by the supply of the drive voltage, the control device controls the driving of the power supply device so as to stop the supply of the drive voltage to the water electrolysis device and then supply the opposite polarity voltage to the water electrolysis device.
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: WO2025261792A1
An apparatus and a method for synthesizing methanol are disclosed. The apparatus includes a hydraulic pressure generator, a carbon-capturing device, an electrolysis device, and a reactor. The hydraulic pressure generator generates a pressurized water from ocean water. The carbon-capturing device has an electrodialysis unit and a carbon-capture unit. The electrodialysis unit generates an acid, a base, and a desalinated water from a first portion of the pressurized water. The carbon-capture unit generates carbon dioxide by acidification of a second portion of the pressurized water. The electrolysis device receives an input stream of water to generate hydrogen. The reactor receives the carbon dioxide from the carbon-capture unit and the hydrogen from the electrolysis device to synthesize methanol.
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: 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: US2025389038A1
A control device for a hydrogen production apparatus is a control device for controlling operation of a hydrogen production apparatus and includes: an estimated reaching time calculation unit configured to calculate, on the basis of a change rate of a pressure of a storing unit for storing hydrogen produced by the hydrogen production apparatus, an estimated reaching time for the pressure of the storing unit to reach a specified value; a start-up time acquisition unit configured to acquire a start-up time of the hydrogen production apparatus in accordance with a state of the hydrogen production apparatus; and a determination unit configured to determine a start-up timing for starting up the hydrogen production apparatus on the basis of a comparison between the estimated reaching time and the start-up time.
Resumen de: US2025387748A1
An active CO2 capture unit for capturing CO2 from a dilute source of CO2 input gas can include an inlet through which an input gas is introduced into the unit and a non-aqueous region comprising a non-aqueous CO2 binding organic liquid containing OH− arranged to be in contact with the input gas to chemisorb CO2 from the input gas and convert the chemisorbed CO2 into HCO3− by reacting with OH−. The unit also includes an aqueous region arranged downstream of the non-aqueous region, wherein at an aqueous region interface, the HCO3− interacts with H2O and decomposes to CO2 and CO32. An anion exchange membrane is disposed between the non-aqueous region and the aqueous region to facilitate HCO3− diffusion and migration from the non-aqueous region to the aqueous region. A captured CO2 outlet is disposed downstream of the aqueous region.
Nº publicación: US2025388817A1 25/12/2025
Solicitante:
CARBON ENG ULC [CA]
CARBON ENGINEERING ULC
Resumen de: US2025388817A1
A method for producing a synthetic fuel from hydrogen and carbon dioxide comprises extracting hydrogen molecules from hydrogen compounds in a hydrogen feedstock to produce a hydrogen-containing fluid stream; extracting carbon dioxide molecules from a dilute gaseous mixture in a carbon dioxide feedstock to produce a carbon dioxide containing fluid stream; and processing the hydrogen and carbon dioxide containing fluid streams to produce a synthetic fuel. At least some thermal energy and/or material used for at least one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams is obtained from thermal energy and/or material produced by another one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams.
BOPI
Sede Electrónica
