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966
resultados
Última actualización
04/04/2026 [07:06:00]
Resultados 25 a 50 de 966
Resumen de: WO2024240830A1
The present invention relates to a method for controlling a hydrogen production installation (100), the method comprising the following successive steps: - determining a first magnitude of a nominal operating electric current (In) of at least one electrolyser (50); - measuring a second magnitude of an electric current (Imes flowing through a connection (22) between the electrolyser (50) or at least one of the electrolysers (50) and at least one photovoltaic conversion device (10); and - orienting the device (10) or at least one of the devices (10) such that the second magnitude (Imes) is less than or equal to the first magnitude (In).
Resumen de: AU2024308720A1
The disclosure provides a method of producing hydrogen. The method comprises conducting a thermochemical reaction by contacting an active reagent and a basic aqueous solution, to thereby cause water from the basic aqueous solution to react with the active reagent and to produce hydrogen and a basic aqueous solution comprising an oxidised product. The method further comprises disposing the basic aqueous solution comprising the oxidised product in an electrochemical cell comprising an anode and a cathode, such that at least a portion of the cathode contacts the solution; and conducting an electrochemical reaction by applying a voltage across the anode and the cathode to produce hydrogen, oxygen and the active reagent. The active reagent comprises a metal or metal ion in a first oxidation state and the oxidised product comprises the metal or metal ion in a second oxidation state which is higher than the first oxidation state.
Resumen de: WO2025047802A1
Provided is a junction photocatalyst exhibiting higher catalytic activity and greater freedom in molecular design than conventional junction photocatalysts. The junction photocatalyst has a solid mediator between an oxygen generating photocatalyst and a hydrogen generating photocatalyst including an organic semiconductor, wherein the hydrogen generating photocatalyst and the solid mediator are bonded together, and the oxygen generating photocatalyst and the solid mediator are bonded together.
Resumen de: AU2025213629A1
The electrochemical reaction device includes: an electrochemical reaction structure including a cathode, an anode, a diaphragm having a first surface on the cathode and a second surface on the anode, a cathode flow path, and an anode flow path; a first 5 flow path through which a first fluid containing a reducible material to the cathode flow path flows; a second flow path through which a second fluid containing water to the anode flow path flows; a third flow path through which a third fluid containing the reduction product from the cathode flow path flows; and a fourth flow path through which a fourth fluid containing water and oxygen from the anode flow path flows. The diaphragm has 10 concentration gradient in which a concentration of a chemical species decreases from the second surface to the first surface, the chemical species being configured to decompose, capture, or inactivate an active oxygen specie. The electrochemical reaction device includes: an electrochemical reaction structure including a cathode, an anode, a diaphragm having a first surface on the cathode 5 and a second surface on the anode, a cathode flow path, and an anode flow path; a first flow path through which a first fluid containing a reducible material to the cathode flow path flows; a second flow path through which a second fluid containing water to the anode flow path flows; a third flow path through which a third fluid containing the reduction product from the cathode flow path flows; and a fourt
Resumen de: WO2024236080A1
There is provided a membrane electrode assembly (MEA) for an electrochemical devices, such as for fuel cells and electrolyzers, particularly for polymer electrolyte membrane (PEM) fuel cells, said membrane electrode assembly comprising a composite electrolyte membrane comprising a reinforced electrolyte layer comprising at least one porous support, the porous support being at least partially imbibed with a first ion exchange material; and a first electrode comprising a reinforced electrode layer comprising a porous support, the porous support being at least partially imbibed with a first catalyst and a second ion exchange material, wherein the composite electrolyte membrane is in contact with the first electrode. Also provided is a composite electrolyte membrane, which can be used in the manufacture of the membrane electrode assembly and a fuel cell and electrolyzer comprising such a membrane electrode assembly. A method for the manufacture of the membrane electrode assembly, and a membrane electrode assembly obtainable by such a method are also disclosed.
Resumen de: US2025011953A1
Disclosed herein is an electrolyte comprising H+ or OH− and precursors used to make a hydrogen evolution electrocatalyst, an oxygen evolution electrocatalyst, a bifunctional hydrogen/oxygen evolution electrocatalyst, or any combination thereof for use in in situ catalyst synthesis, deposition and/or utilization.
Resumen de: US20260085430A1
A water electrolysis system includes: a water electrolysis device configured to perform water electrolysis; a water supply device configured to supply water to the water electrolysis device; a power supply configured to supply current to the water electrolysis device; and a control unit. The control unit is configured to adjust a current density of the current supplied from the power supply to the water electrolysis device, and adjust a water flow rate of the water supplied from the water supply device to the water electrolysis device. The control unit is configured to: measure the water flow rate and the current density during operation of the water electrolysis device; and perform an operation change when at least one of the water flow rate and the current density during the operation of the water electrolysis device is outside a corresponding one of threshold ranges.
Resumen de: WO2026062321A1
The application relates to a method and an apparatus for forming a feedstock for a steam cracking process. Hydrogen gas (4) and a feed (1) comprising at least carbon dioxide are fed to a first reactor (2) in which the feed reacts with the hydrogen to form a synthesis gas (3) comprising at least carbon monoxide, and the synthesis gas is supplied to a second reactor (6) in which the synthesis gas is treated in the presence of a synthesis catalyst to form a hydrocarbon composition (7) comprising at least naphtha range hydrocarbons. Undesired hydrocarbons, unreacted gases and/or water are separated from the hydrocarbon composition (7) and a fraction of the hydrocarbon composition (8) which comprises at least naphtha range hydrocarbons is formed. The fraction of the hydrocarbon composition is treated by a hydrotreatment (10) in which hydrogenation and hydrodeoxygenation reactions are carried out in the presence of at least one hydrotreatment catalyst in one or more reactors for modifying the fraction (8) to form a modified hydrocarbon composition (11), and the feedstock is formed from the modified hydrocarbon composition.
Resumen de: US20260088313A1
The invention relates to a bipolar plate and an electrochemical cell comprising a plurality of such bipolar plates. The bipolar plate comprises a first half-plate and a second half-plate which are fixedly connected to one another, wherein the bipolar plate has a plurality of fluid passage openings comprising fluid inlet openings and fluid outlet openings and a first distributor field for distributing a fluid, an active field, and a second distributor field for distributing the fluid are located on both sides of the bipolar plate.
Resumen de: WO2026061774A1
The invention relates to a water electrolysis installation (P) drawing power from an electrical network (NET) and providing an hydrogen production rate, the installation (P) comprising a plurality of clusters (Ci). The installation (P) comprises a supervision unit (SU) defining, repetitively at successive sampling periods (k), the operating mode of the clusters (Ci) and a current setpoint (xi k) of each active cluster (Ci). The supervision unit (SU) comprises a candidate module (CM) configured to establish, during each sampling period, a candidate list (SL) consisting of all cluster pools capable of satisfying a production constraint and an optimization module (COM) configured to calculate, during each sampling period (k), for each cluster pool of the candidate list (SL), optimal current setpoints of the clusters and an associated efficiency value of said pool, the optimal current setpoints optimizing an objective function under the production constraint.
Resumen de: WO2026061302A1
An electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The system comprises an absorption device (1), an electrolytic hydrogen production device (2), a first gas-liquid separation device (3) and a second gas-liquid separation device (4). The electrolytic hydrogen production device (2) comprises an anode chamber (21), an intermediate chamber (22) and a cathode chamber (23), which are separated by anion exchange membranes (24). In addition, the present invention further relates to a method for using the electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The method comprises: absorbing carbon dioxide from flue gas by using the absorption device (1); allowing the obtained absorption liquid to enter the anode chamber (21), so as to obtain a carbon-dioxide-containing gas-liquid mixture; allowing the gas-liquid mixture to enter the first gas-liquid separation device (3) to undergo separation, so as to obtain carbon dioxide and a first separation liquid; allowing the first separation liquid to enter the intermediate chamber (22), so as to realize the regeneration of the absorbent under the action of ion exchange; and returning the regenerated absorbent to the absorption device (1) again to continue the absorption of carbon dioxide.
Resumen de: WO2026064419A1
The present disclosure relates to compositions, systems, and methods that enable the electrochemical conversion of ammonia into hydrogen and nitrogen gases under mild operating conditions, including ambient temperature and pressure. This approach addresses key limitations of conventional ammonia thermal cracking, including the need for high temperatures and pressures and complex downstream gas separation, while overcoming media and catalyst constraints in electrolytic cracking of ammonia.
Resumen de: WO2026060816A1
The present invention relates to a seawater electrolysis hydrogen production system and a control method therefor. The seawater electrolysis hydrogen production system comprises: an electrolytic cell (16), an oxygen-liquid separator (1), a hydrogen-liquid separator (6), a seawater heat exchanger (28), a seawater condenser (32), an alkaline-solution heat exchanger (12), a demineralized low-salinity water storage tank (40), a salt-precipitation storage tank (45), an alkali tank (20) and a water tank (18). The seawater electrolysis hydrogen production system of the present invention can effectively use waste heat generated during electrolysis to remove easily deposited ions from seawater, and reduce the concentration of monovalent ions in the seawater so that the seawater can be used as feed water for water electrolysis hydrogen production; moreover, the content of salt accumulated in the hydrogen production system is reduced by means of evaporating a solvent to precipitate salt, so as to address the adverse effect of ions in the seawater on the performance of the seawater electrolysis hydrogen production system.
Resumen de: WO2026061427A1
A metal composite oxide of the present invention is a metal composite oxide containing iridium, ruthenium, and a third metal (M), in which the third metal (M) is one or more elements selected from the group consisting of Group 2 elements, Group 13 elements, Group 14 elements, and transition metals, and the metal composite oxide is a low crystalline oxide or an amorphous oxide.
Resumen de: WO2026060686A1
The present application relates to the technical field of hydrogen production via water electrolysis, and specifically relates to a method for preparing a proton exchange membrane comprising a hydrogen barrier coating. The method comprises the following steps: S1, mixing an inorganic filler with a functional resin, adding a solvent, and stirring same to obtain a slurry; S2, coating a surface of a proton exchange membrane with the slurry, the wet thickness of the resulting coating being 10-100 μm, and drying the wet coating to obtain a dried proton exchange membrane; and S3, performing a heat treatment on the dried proton exchange membrane to obtain a proton exchange membrane comprising a hydrogen barrier coating. The present application further relates to a proton exchange membrane comprising a hydrogen barrier coating, a membrane electrode, and a device for hydrogen production via water electrolysis. The hydrogen barrier coating described herein can physically block hydrogen gas from permeating through the proton exchange membrane, thereby improving the efficiency of a water-electrolysis membrane electrode made of the proton exchange membrane, reducing the content of hydrogen in oxygen at an anode side, and further improving the service life and safety of the device for hydrogen production via water electrolysis.
Resumen de: WO2026060623A1
Provided are a metal composite oxide, a composite product, an oxygen evolution catalyst, a catalyst ink, and an electrode that have excellent catalytic performance, and a method for producing the metal composite oxides. The metal composite oxide is a multi-element metal composite oxide including iridium, ruthenium, and a third metal (M) . The third metal (M) is one or more elements selected from the group consisting of Group 2 elements, Group 13 elements, Group 14 elements, and transition metals. The composite oxide is a low crystalline oxide or an amorphous oxide.
Resumen de: DE102025123947A1
Ein Wasserelektrolysesystem umfasst: eine Wasserelektrolysevorrichtung, die so konfiguriert ist, dass sie Wasserelektrolyse durchführt; eine Wasserzufuhrvorrichtung, die so konfiguriert ist, dass sie der Wasserelektrolysevorrichtung Wasser zuführt; eine Energieversorgung, die so konfiguriert ist, dass sie der Wasserelektrolysevorrichtung Strom zuführt; und eine Steuereinheit. Die Steuereinheit ist so konfiguriert, dass sie eine Stromdichte des von der Energieversorgung an die Wasserelektrolysevorrichtung gelieferten Stroms einstellt und eine Wasserflussrate des von der Wasserzufuhrvorrichtung an die Wasserelektrolysevorrichtung gelieferten Wassers einstellt. Die Steuereinheit ist so konfiguriert, dass sie: die Wasserflussrate und die Stromdichte während des Betriebs der Wasserelektrolysevorrichtung misst; und eine Betriebsänderung durchführt, wenn mindestens eine der Wasserflussrate und der Stromdichte während des Betriebs der Wasserelektrolysevorrichtung außerhalb eines entsprechenden Schwellenbereichs liegt.
Resumen de: JP2026053994A
【課題】電解セルに求められるガス透過性を維持しつつ、強度を高めた支持層を備えることにより、水蒸気の電解反応と機械的強度を両立させることを可能にした電解セルとその製造方法を提供する。【解決手段】電解セルは、ガス透過性を有し、かつ内部に流入した水蒸気を酸素イオンと水素に電気分解可能な水素極と、水素極で生成される酸素イオンを伝導可能な固体酸化物電解質層と、ガス透過性を有し、かつ固体酸化物電解質層から到達した酸素イオンから酸素分子を生成可能な酸素極と、水素極または酸素極を支持する支持層と、を具備する。支持層は、複数の酸化ニッケル粒子と、複数の部分安定化ジルコニア粒子と、を有する多孔質焼結層を有する。複数の部分安定化ジルコニア粒子の粒度分布を示す頻度分布曲線は、粒径３０μｍ以上７０μｍ以下の範囲の第１のピークと、粒径０．５μｍ以上４．０μｍ以下の範囲の第２のピークと、を有する。【選択図】図２
Resumen de: JP2026053957A
【課題】一部電解槽の劣化加速抑制の対策策定を支援する情報を提供する。【解決手段】本発明の一側面に係る保守支援システム２００は、電解槽の電解特性情報と、電解槽の配置パターンの情報と、電解システムの運転条件に関する情報と、を少なくとも含む入力情報に基づいて、複数の電解槽のそれぞれにおける劣化状態の変化の情報を電解槽の配置パターン毎に予測し、予測した各電解槽の劣化状態の変化に関する情報を出力する演算部６３を備える。【選択図】図２
Resumen de: WO2026064734A1
A device for catalyzing a reaction includes a substrate, an array of nanostructures supported by the substrate, each nanostructure of the array of nanostructures including a sidewall surface that extends outward from the substrate and an end surface at an outer end of the nanostructure, and a protection architecture composed of a metal oxide and disposed on each nanostructure of the array of nanostructures, the protection architecture including a continuous capping layer that covers the end surface of each nanostructure and a discontinuous distribution of the metal oxide disposed on the sidewall surface of each nanostructure.
Resumen de: WO2026062314A1
The present invention relates to the use of a device for generating hydrogen and oxygen as a fuel source.
Resumen de: US20260085430A1
A water electrolysis system includes: a water electrolysis device configured to perform water electrolysis; a water supply device configured to supply water to the water electrolysis device; a power supply configured to supply current to the water electrolysis device; and a control unit. The control unit is configured to adjust a current density of the current supplied from the power supply to the water electrolysis device, and adjust a water flow rate of the water supplied from the water supply device to the water electrolysis device. The control unit is configured to: measure the water flow rate and the current density during operation of the water electrolysis device; and perform an operation change when at least one of the water flow rate and the current density during the operation of the water electrolysis device is outside a corresponding one of threshold ranges.
Resumen de: US20260084139A1
An ammonia dehydrogenation catalyst, a method for producing same, and a method for producing hydrogen using same are disclosed. More specifically, a catalyst for ammonia dehydrogenation capable of preparing hydrogen at a high yield from ammonia, a method of preparing the same, and a method of preparing hydrogen using the same are provided. The disclosed ammonia dehydrogenation catalyst comprises: a zeolite having an intracrystalline cation; and an alkali metal and ruthenium impregnated on the zeolite.
Resumen de: US20260085437A1
An oxygen evolution reaction (OER) catalyst for reaction in acidic media comprising: a chromium (Cr) and nickel (Ni) co-doped ruthenium oxide (RuO2) catalyst, and wherein the chromium (Cr) and nickel (Ni) co-doped ruthenium oxide (RuO2) catalyst comprises a Cr and a Ni co-doped in a ruthenium oxide (RuO2). Methods of preparing the OER catalyst are disclosed.
Nº publicación: US20260085433A1 26/03/2026
Solicitante:
SUPERCRITICAL SOLUTIONS LTD [GB]
Supercritical Solutions Ltd
Resumen de: US20260085433A1
There is disclosed a flow arrangement 100 for an electrolyser, comprising: first and second porous walls 110, 120, corresponding to first and second electrodes of the electrolyser; an inlet chamber 102 disposed between the first and second porous walls and configured to receive a fluid through an inlet; first and second outlet chambers 130, 140 for retaining respective fluid reaction products of electrolysis. One of, or each of, the porous walls has a discontinuous porous structure comprising a body 116 and a plurality of porous regions 117 extending through the body at discrete locations to permit the fluid to flow from the inlet chamber to the respective outlet chamber, each porous region defining a respective network of flow paths through the body. There is also disclosed an electrolyser and electrolysis installation, methods of operation, and methods of manufacture.
BOPI
Sede Electrónica
