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889
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Última actualización
07/04/2026 [07:00:00]
Resultados 25 a 50 de 889
Resumen de: EP4717795A1
The present invention relates to an electrolyser architecture and a method for performing electrolysis. The electrolyser comprises a proton exchange membrane (PEM) and a plurality of electrodes arranged on a surface of the PEM. A microfluidic fluid channel structure is aligned with the electrodes, forming multiple channels parallel to the surface of the PEM. These channels are designed to feed water to the electrodes and are configured to collect gases produced during electrolysis above the electrodes.
Resumen de: US20260078510A1
According to an embodiment, an electrolysis device includes a cathode for reducing a reduction target to generate a reduction product, an anode for oxidizing an oxidation target to produce an oxidation product, an electrolyte layer provided between the cathode and the anode, and the electrolyte layer including an electrolyte layer material containing at least one selected from the group consisting of a heat-resistant polymer, a solid acid, a solid acid salt, and a molten salt, and a first ion conductive material, and a control layer that is provided at least one of between the cathode and the electrolyte layer and between the anode and the electrolyte layer, and that includes a porous material and a second ion-conductive material supported in at least a part of pores of the porous material, wherein 0≤A≤B is satisfied, where A is an area of the second ion conductive material on a surface of the control layer on the cathode side or/and the anode side, and B is an area of the second ion conductive material on a surface of the control layer on the electrolyte layer side.
Resumen de: US20260078501A1
A water electrolysis system having: a membrane-electrode assembly; a first separator in contact with a hydrogen electrode of the membrane-electrode assembly; a hydrogen flow passage provided between the first separator and the hydrogen electrode; a second separator in contact with an oxygen electrode of the membrane-electrode assembly; an oxygen flow passage provided between the second separator and the oxygen electrode; and a cooling device that cools the hydrogen electrode such that a temperature of the hydrogen electrode becomes lower than a temperature of the oxygen electrode.
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: 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: KR20260043353A
본 발명은 수소발생반응(HER) 촉매 전극 제조방법, 이에 의해 제조된 수소발생반응(HER) 촉매 전극 및 수전해를 통해 수소를 발생시키기 위한 전기분해 장치에 관한 것이다. 스테인리스 스틸 전극을 양극산화하여 니켈을 전해질 용액으로 용출시키는 니켈용출 단계; 및 상기 전해질 용액에서 상기 양극산화된 스테인리스 스틸 전극에 전압을 인가하여 상기 양극산화를 통해 용출된 니켈 이온을 상기 양극산화된 스테인리스 스틸 전극에 전착하는 니켈재전착 단계를 포함하는, 수소발생반응(HER) 촉매 전극 제조방법을 제공한다.
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: 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: AU2024324493A1
A membrane-electrode assembly for a water electrolyser is provided. The membrane- electrode assembly comprises a polymer electrolyte membrane with a first face and a second face; an anode catalyst layer on the first face of the membrane, the anode catalyst layer comprising an oxygen evolution reaction catalyst; and a porous web of polymer fibres in contact with the anode catalyst layer, the polymer fibres comprising a conductive metal additive.
Resumen de: CN121219225A
An ammonia cleavage reactor, the ammonia cleavage reactor comprising: one or more reaction tubes, the reaction tubes containing an ammonia cleavage catalyst; one or more fuel combustion elements for combusting fuel in a fuel combustion zone surrounding the one or more reaction tubes to provide thermal energy to support ammonia cracking in the one or more reaction tubes; and one or more electrically powered heating elements for providing thermal energy to support the ammonia cracking in the one or more reaction tubes wherein the one or more fuel combustion elements and the one or more electrically powered heating elements are disposed in the same reactor to support the ammonia cracking in the same reaction tube, and together form an electrically assisted fuel combustion ammonia cracking reactor.
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: 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: 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: KR20260041196A
수소생산 시스템이 개시된다. 본 발명의 일 측면에 따른 수소생산 시스템은, 헬륨이 유입되고 상기 헬륨을 전기저항식 가열을 통해 제 1 온도까지 가열시키는 예열기 및 상기 예열기와 연결되고 상기 예열기를 통해 가열된 상기 헬륨을 전기저항식 가열을 통해 상기 제 1 온도보다 높은 제 2 온도까지 가열시키는 주가열기를 포함하는 헬륨 가열부, 물이 유입되고, 유입된 상기 물을 가열하여 증기를 발생시키는 증기 발생기, 상기 증기 발생기로부터 발생된 증기와 상기 헬륨 가열부로부터 가열된 상기 헬륨이 유입되고, 가열된 상기 헬륨을 이용하여 상기 증기를 과열시키는 과열증기 발생기, 공기와 상기 과열증기 발생기로부터 발생된 과열증기가 유입되고, 상기 과열증기를 수소와 산소로 분리하는 고체산화물 수전해 전지(SOEC) 스택 및 수소와 상기 고체산화물 수전해 전지(SOEC) 스택으로부터 발생된 산소가 유입되고, 상기 수소 및 상기 산소가 반응하여 전류가 발생되는 고체산화물 연료 전지(SOFC) 스택을 포함하고, 상기 증기 발생기는 상기 과열증기 발생기에서 유출되는 상기 헬륨이 유입되고, 유출된 상기 헬륨에 의해 상기 물이 가열된다.
Resumen de: WO2026062122A1
The invention relates to a method and a device (10) for checking and testing a hydrogen production plant (100) having a plurality of electrolysis devices, which are designed to generate hydrogen from water with the aid of electrical current, having a water circuit for supplying the electrolysis devices with water, and having electrical connections for connecting the hydrogen production plant (100) to an electrical current source or electrical voltage source or an electrical power network which, for generating hydrogen, supplies the electrolysis devices of the hydrogen production plant (100) with electrical power (11), wherein the device (10) has an encapsulated receiving space (11) which is designed to receive the hydrogen production plant (100) to be checked or tested.
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: 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: WO2026062314A1
The present invention relates to the use of a device for generating hydrogen and oxygen as a fuel source.
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: 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.
Nº publicación: US20260084139A1 26/03/2026
Solicitante:
HD HYUNDAI OILBANK CO LTD [KR]
HD HYUNDAI OILBANK CO., LTD
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.
BOPI
Sede Electrónica
