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910
resultados
Última actualización
08/04/2026 [07:16:00]
Resultados 25 a 50 de 910
Resumen de: WO2026071256A1
This ion exchange membrane comprises: a sulfonic acid-type membrane body containing a polymer having a sulfonic acid group; and a reinforcing material disposed inside the sulfonic acid-type membrane body. The sulfonic acid-type membrane body has a first surface having a surface roughness R1 of 10 μm or more. The sulfonic acid-type membrane body also has a second surface having a surface roughness R2 of 10 μm or more.
Resumen de: WO2026069743A1
To safely and easily burn hydrogen. A combustion device comprises: a hot water generation unit 1 provided with a storage unit 112 for storing water, an arrangement unit 113 for arranging a solid fuel that reacts with the water within the storage unit 112 to discharge hydrogen, and a combustion unit for burning the generated hydrogen; and a control unit for controlling the water temperature of the stored water.
Resumen de: AU2024352604A1
The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) with a platform (3) and with an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a heat supply device (7) which is coupled to the electrolysis plant (5) and is designed in such a way that heat can be transferred to the electrolysis plant by means of the heat supply device (7) during a standstill mode so as to maintain the temperature above a minimum temperature. The invention also relates to a method for operating a corresponding offshore electrolysis system. During a standstill mode, heat is transferred to the electrolysis plant (5) by means of the heat supply device (7) so as to maintain the temperature above a minimum temperature and prevent freezing of water-carrying components of the electrolysis plant (5).
Resumen de: AU2024349761A1
The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) with a platform (3) and with an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a heat supply device (7) which is coupled to the electrolysis plant (5) and has a combustion device (13), wherein a fuel reservoir (15) is connected to the heat supply device (7) such that, during a standstill mode, heat generated by means of the combustion device (13) can be transferred to the electrolysis plant (5) so as to maintain the temperature above a minimum temperature. The invention also relates to a method for operating a corresponding offshore electrolysis system (100), wherein, during a standstill mode, heat is generated by means of the heat supply device (7) and transferred to the electrolysis plant (5) so as to maintain the temperature above a minimum temperature and prevent freezing of water-carrying components of the electrolysis plant (5).
Resumen de: US20260092384A1
A modular solid oxide electrolyzer cell (SOEC) system including a stack of electrolyzer cells configured to receive steam in combination with hydrogen, and a steam recycle outlet configured to recycle a portion of the steam.
Resumen de: US20260092378A1
Water electrolysis installation, comprising of an electrochemical stack device comprising at least a stack having at least two electrodes immersed in an electrolyte; a balance of plant defining an inner fluid handling volume of the balance of plant to convey an incoming fluid to the electrochemical stack device and to recover an outcoming fluid from the electrochemical stack device; at least one sensor comprising at least one optical fiber probe having a sensing region, the sensing region measuring at least an information representative of sludge formation in the vicinity of the sensor; characterized in that the sensing region of the optical fiber probe is located inside the inner fluid handling volume of the balance of plant outside of the electrochemical stack device.
Resumen de: US20260091373A1
In a method of preparing an ammonia decomposition catalyst according to embodiments of the present disclosure, a mixture of a metal oxide including lanthanum and a heterogeneous metal and aluminum oxide is prepared, the mixture was subjected to steam treatment to form a carrier, and a catalytically active metal is supported on the carrier to prepare an ammonia decomposition catalyst. The ammonia decomposition catalyst according to embodiments of the present disclosure is prepared by the above-described preparation method.
Resumen de: US20260092381A1
An electrocatalyst including a first layer, including a porous nickel foam, and a second layer, including an iron-vanadium oxide (FeVOx). The iron-vanadium oxide includes an iron oxide and a vanadium oxide. The iron-vanadium oxide contains 10 to 30 atomic percent (at. %) iron and 15 to 30 at. % vanadium based on the total number of atoms in the iron-vanadium oxide. The second layer includes iron-vanadium oxide particles having the longest dimension of 0.5 to 5 micrometers (μm). The electrocatalyst of the present disclosure may be used in oxygen evolution reactions.
Resumen de: US20260094846A1
An electrochemical cell is disclosed having a porous metal support, a gas transport layer on the porous metal support, and an electrode layer on the gas transport layer. The gas transport layer is electrically conductive and has an open pore structure comprising a pore volume fraction of 20% by volume or higher and wherein the electrode layer has a pore volume fraction lower than the pore volume fraction of the gas transport layer. Also disclosed is a stack of such electrochemical cells and a method of producing such an electrochemical cell.
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: EP4717665A1
An ammonia decomposition reactor, a hydrogen production apparatus and a method for producing hydrogen are provided. The ammonia decomposition reactor includes a first chamber and a second chamber, wherein the first chamber is configured to operate at an operating temperature of 410°C or less, the first chamber includes at least one selected from the group consisting of carbon steel, low alloy steel, stainless steel, and a nickel-based alloy, and the second chamber includes a nickel-based alloy (NT) satisfying Equation 1 below. T≤15μm, in Equation 1, T represents the maximum nitrided depth when the nickel-based alloy (NT) is prepared as a cylindrical specimen having a diameter of 2 mm and a height of 200 mm, and the cylindrical specimen is exposed to a gas stream comprising 97.2% by volume NH3, 2.1% by volume H2, and 0.7% by volume N2 in a temperature environment of 500°C for 100 hours.
Resumen de: AU2024303520A1
Methods for producing renewable hydrogen and systems related to the same are provided.
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: 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: 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: 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: 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: 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: 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: US20260077337A1
A photocatalyst has a perovskite type crystal, the photocatalyst has, present on a surface, a stepped structure including a terrace and a step, and an occupancy ratio of a projected area of the stepped structure to a total projected area in an observation image of the surface is 20% or more. It is preferable that the terrace is formed of a {100} facet, and the step is formed of the {100} facet or a {110} facet.
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: 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: 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.
Nº publicación: JP2026054606A 30/03/2026
Solicitante:
東レ株式会社
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
BOPI
Sede Electrónica
