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752
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Última actualización
18/04/2026 [07:35:00]
Resultados 100 a 125 de 752
Resumen de: EP4717798A2
Provided herein are methods for cleaning a diaphragm and/or membrane in an electrolysis system. For example, provided herein is a method of chemically cleaning a diaphragm and/or membrane comprising immersing the diaphragm and/or membrane in an acidic medium, immersing the diaphragm and/or membrane in a weak alkaline medium, and rinsing the diaphragm and/or membrane with deionized water. Also provided herein is a method of electrochemically cleaning a diaphragm and/or membrane comprising reversing the direction of current applied across the diaphragm and/or membrane, applying a cathodic current to the electrolyte solution, applying an anodic current to the electrolyte solution, rinsing the diaphragm and/or membrane with deionized water, and removing deposits from the electrolyte solution. Also provided herein is a method of mechanically cleaning a diaphragm and/or membrane comprising applying a voltage across the diaphragm and/or membrane that is higher than the normal operating voltage, and mechanically agitating the electrolyte solution.
Resumen de: EP4717797A2
An electrolysis system includes an electrolyzer stack having an anode side that provides an anode-side gas having a hydrogen-to-oxygen (HTO) ratio, an oxygen separator tank fluidically coupled the anode side, and an anode-side dilution system that is changeable between a closed-monitor state and an open-dilution state.
Resumen de: EP4717716A1
Provided are: a polymerizable composition containing a quaternary ammonium salt represented by formula (I), a polymerizable monomer, a linear or branched C1-4 alkylene glycol, and at least one hydroxyl group-containing compound selected from the group consisting of a C4-15 primary alcohol, a C4-15 secondary alcohol, and a C5-15 diol which has a hydroxy group bonded to a secondary carbon atom; an ion exchange resin; an ion exchange membrane; a membrane electrode assembly; and a hydrogen production device.
Resumen de: WO2024240599A1
The invention relates to a method for producing hydrogen by steam electrolysis, using the heat from a hot effluent (102) discharged by an industrial plant, the method comprising the following steps: - heat exchange, in a heat exchanger (106), between the hot effluent (102) and a flow of water (104) in order to produce a first flow of steam (108), - cogeneration of electricity (118) and a second flow of steam (116) by a cogeneration unit (110) supplied with the first flow of steam (108), and - electrolysis of at least part of the second flow of steam (116) in an electrolysis unit (120) powered by the electricity (118), in order to produce a hydrogen flow and an oxygen-rich flow. The invention further relates to a system (100) implementing such a method and to a plant implementing such a system.
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: 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: AU2024303520A1
Methods for producing renewable hydrogen and systems related to the same are provided.
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: EP1000000A1
The invention relates to an apparatus (1) for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor (3) carrying mould containers combined to mould container parts (4), a reservoir (5) for clay arranged above the mould containers, means for carrying clay out of the reservoir (5) into the mould containers, means (9) for pressing and trimming clay in the mould containers, means (11) for supplying and placing take-off plates for the green bricks (13) and means for discharging green bricks released from the mould containers, characterized in that the apparatus further comprises means (22) for moving the mould container parts (4) filled with green bricks such that a protruding edge is formed on at least one side of the green bricks.
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: JP2026054606A
【課題】優れた耐熱性、耐薬品性を維持しながら、優れた親水性を有するポリアリーレンスルフィド繊維を得ることができる。【解決手段】ポリフェニレンスルフィドと、ポリフェニレンエーテル樹脂、ポリカーボネート樹脂、ポリエーテルサルホン樹脂、ポリフェニレンサルホン樹脂、ポリエーテルイミド樹脂、ポリサルホン樹脂から選ばれる少なくとも１種の熱可塑性樹脂を原料とし、前記熱可塑性樹脂の少なくとも一部が表面に露出することを特徴とする繊維。【選択図】なし
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: EP1000000A1
The invention relates to an apparatus (1) for manufacturing green bricks from clay for the brick manufacturing industry, comprising a circulating conveyor (3) carrying mould containers combined to mould container parts (4), a reservoir (5) for clay arranged above the mould containers, means for carrying clay out of the reservoir (5) into the mould containers, means (9) for pressing and trimming clay in the mould containers, means (11) for supplying and placing take-off plates for the green bricks (13) and means for discharging green bricks released from the mould containers, characterized in that the apparatus further comprises means (22) for moving the mould container parts (4) filled with green bricks such that a protruding edge is formed on at least one side of the green bricks.
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: 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: 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.
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: US20260088309A1
An electrochemical cell is disclosed having a porous metal support, at least one layer of a first electrode on the porous metal support, a first electron-blocking electrolyte layer of rare earth doped zirconia on the at least one layer of the first electrode, and a second bulk electrolyte layer of rare earth doped ceria on the first electron-blocking electrolyte layer. The first electron-blocking electrolyte layer of rare earth doped zirconia may have a thickness of 0.5 μm or greater, and the second bulk electrolyte layer of rare earth doped ceria may have a thickness of 4 μm or greater.
Resumen de: US20260085431A1
The problem addressed by the present invention is that of specifying a process for the electrochemical production of LiOH from Li+-containing water with the aid of an electrochemical cell with LiSICon membrane that can be operated economically on an industrial scale too. In particular, the process should have good energy efficiency and achieve a high membrane lifetime even when the employed feed contains impurities that are harmful to LiSICon materials. The problem is solved by the flow conditions in the anodic compartment of the electrochemical cell being established such that the anolyte flows along the membrane with a certain minimum crossflow velocity.
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: 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: 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: US20260085436A1
A water electrolysis electrode includes an electroconductive substrate and a layered double hydroxide layer. The layered double hydroxide layer is disposed on a surface of the electroconductive substrate. The layered double hydroxide layer includes two or more transition metals. A contact angle of a surface of the layered double hydroxide layer is 20° or more and 100° or less. The contact angle on the surface of the layered double hydroxide layer may be 26° or more.
Nº publicación: WO2026064419A1 26/03/2026
Solicitante:
AMHYTECH INC [US]
AMHYTECH INC
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.
BOPI
Sede Electrónica
