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555
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Updated on
19/12/2025 [06:59:00]
Results 500 to 525 of 555
Absstract of: WO2025219962A1
An electrolyser cell is disclosed, which comprises: a frame (10) with a central opening (30) arranged to act as active chamber of the electrolyser, and a bipolar plate (12) of metallic material arranged to be assembled to the frame (10) so as to close the central opening (30). The frame (10) is made of polymeric material without reinforcing fibres or reinforcing mineral charge, or having an amount of reinforcing fibres or reinforcing mineral charge not exceeding 10%, and the bipolar plate (12) is configured to comprise a flat base element (12') and at least one coupling element (12") protruding towards the frame (10) from said flat base element (12') and engaging with the frame (10) so as to act as a reinforcing element for the frame (10).
Absstract of: WO2025217696A1
The present invention relates to an advanced portable system for generating molecular hydrogen, designed to enrich water with hydrogen gas. The device uses an optimized electrolysis technique to infuse hydrogen into water, providing significant antioxidant and alkalizing benefits. Although initially designed for domestic use, the modular and scalable design of the system allows its application in industrial and commercial settings, providing customised solutions for water treatment at various scales. The core technology of the invention can adjust the concentration of molecular hydrogen dissolved in water, allowing the user to control the level of hydrogenation as necessary. This is crucial for adapting the device to various water quality requirements across multiple sectors, including healthcare, hospitality and industrial processing. The system is also designed to be extremely energy-efficient, using low-power components to reduce environmental impact and operating costs. The novelty of this invention lies not only in its hydrogenation functionality, but also in its ability to raise the pH of water, although this feature is involved as a secondary benefit. The invention primarily aims to provide a consistent and effective source of hydrogen-enriched water, known for its beneficial effects in reducing oxidative stress, improving cellular hydration and potentially supporting the prevention of various age-related conditions. This system represents a significant advancement in
Absstract of: WO2025217689A1
This disclosure describes freestanding or delaminated two-dimensional (2D) sheets of at least dual modified functionalised MXene materials, Mn+1XnTx, having electronegative surface groups and non-metal dopant and electrochemically active dopant atoms in the materials, suitable as OER catalysts.
Absstract of: WO2025219328A1
A bipolar plate and electrodes assembly where the bipolar plate is connected to an electrode through a number of distance units is thus suggested whereby the distance units are singular, and that further, between each singular distance unit and at least one of the bipolar plate and the electrode a fusion zone is/are provided. The invention also comprises a method for generating a bipolar plate and electrodes assembly. Further an electrolyser adapted for electrolysing water into oxygen and hydrogen, is provided, whereby the electrolyser comprises a cell stack having alternatingly a diaphragm and a bipolar plate and electrode assembly and the assembly is comprised of a number of singular distance units interposed between and interconnecting bipolar plate and respective cathode and anode electrode, which distance units are adapted to be generated by way of one or more distance unit controlled generators during an assembly and fusion process.
Absstract of: WO2025219263A1
The present invention relates to an electrolysis system for generating hydrogen and/or oxygen, the system comprising: a first electrolysis apparatus, particularly an electrolysis stack or cell, comprising at least one electrode for the decomposition of electrolyte water; and a power supply unit for supplying electric power to the first electrolysis apparatus, wherein the power supply unit comprises means for converting an AC input signal to a first pulsed DC signal, said first pulsed DC signal being a first half wave of the AC input signal, and wherein the first electrolysis apparatus is connected to the power supply unit in such a way that the first electrolysis apparatus is supplied with the first pulsed DC signal
Absstract of: US2025327198A1
The disclosure provides a water electrolysis catalyst and a water electrolysis device. The water electrolysis catalyst includes a catalyst support layer and a catalyst. The catalyst grows vertically and orderly on the catalyst support layer, and the catalyst has a nanowire or nanochain microstructure. The water electrolysis catalyst further includes nanoparticles stacked to form the nanowire or nanochain microstructures, and a diameter of the nanoparticles is from 5 nm to 500 nm.
Absstract of: US2025327193A1
Disclosed is a electrolyte comprising solvent with low polarity and method of manufacturing electrochemical lithium-mediated ammonia using the same. In detail, an electrolyte comprising a first solvent represented by Structural Formula 1; a second solvent represented by Structural Formula 2; a metal salt; and a proton donor compound. The present disclosure can control the solvation structure through a solvent with low polarity even in a relatively low-concentration electrolyte, thereby constructing a high-performance ammonia production system.
Absstract of: US2025327192A1
A hydrogen generation system comprising a hydrogen electrolyser, a power converter connected to the electrolyser, and a control system configured to control the power converter to supply power to the electrolyser The system further includes a monitoring system configured to monitor the operation of the generation system, wherein the monitoring system is configured to: determine a plurality of operational parameters of the electrolyser, and, generate one or more performance metrics based on the determined operational parameters, the one or more performance parameters including: the electrical capacitance of the electrolyser, and/or the equivalent series resistance of the electrolyser. Also disclosed is a method for determining operational performance of a hydrogen generation system including an electrolyser.
Absstract of: US2025326652A1
Methods and systems for ammonia production are provided. An exemplary method includes electrolyzing water to form H2 and O2, contacting a reformer feed stream including hydrocarbons, O2 from electrolysis, and an oxidant stream including O2 and N2 to form a reformed stream including H2, CO, CO2, and N2; contacting the reformed stream with a water-gas shift catalyst to form a shifted stream including H2, CO2, and N2; separating the shifted stream to form a captured stream including CO2 and an ammonia production feed stream including H2 and N2; and reacting the ammonia production feed stream, and optionally H2 from electrolysis, to form ammonia.
Absstract of: AU2024263112A1
The present invention relates to an electrode and in particular to an electrode suitable for gas evolution comprising a metal substrate and a catalytic coating. Such electrode can be used as an anode for the development of oxygen in electrolytic processes such as, for example, in the alkaline electrolysis of water.
Absstract of: KR20250152494A
본 발명은 내외부 고르게 코팅층이 형성되어 표면 저항과 전기 전도성이 일정한 수전해용 다공성 지지체에 관한 것으로, 본 발명은 다수의 섬유가 서로 교차되어 형성된 다공성 직물 지지체; 상기 다공성 직물 지지체 상에 형성된 촉매층; 상기 촉매층 상에 형성된 제1 코팅층; 및 상기 제1 코팅층 상에 형성된 제2 코팅층;을 포함하는, 수전해용 다공성 지지체에 관한 것이다.
Absstract of: KR20220122309A
The embodiment relates to a brine electrolysis system and device. The brine electrolysis system according to the embodiment includes: an electrolysis device for electrolyzing brine; a storage tank for storing a thermal fluid; and a circulation pump that is disposed between the electrolysis device and the storage tank to inject the thermal fluid stored in the storage tank into the electrolysis device when the electrolysis device electrolyzes the brine.
Absstract of: WO2025220974A1
The present invention relates to a molded catalyst for ammonia decomposition and a manufacturing method therefor and, more specifically, to an economical method for manufacturing a molded catalyst for ammonia decomposition and a molded catalyst manufactured thereby, wherein a catalyst carrier is prepared by coating various molded bodies such as beads, pellets, honeycombs, and the like with lanthanum and cerium and then ruthenium is supported on the catalyst carrier to produce an ammonia decomposition catalyst as a catalyst with superior activity in an ammonia decomposition reaction, whereby the strength of the coating can be sufficiently expressed, the catalytic activity can be improved or maintained even with a small amount of a catalytically active material (ruthenium), the loss of a coating solution can be reduced during a catalyst coating process, and the molded catalyst can be manufactured without a separate powder catalyst manufacturing process.
Absstract of: KR20250152390A
본 발명은 다공성 전달층에 표면과 내부에 균일하게 형성된 탄소층에 임베디드 된 금속 나노 입자가 담지된 다공성 전달층을 제작하는 것에 관한 것이다. 다공성 전달층 위에 직접 형성된 탄소층에 임베디드 된 촉매의 활성 및 내구성 향상에 관한 것으로 구체적으로 고분자를 합성하는 단계, 고분자 물질에 금속 전구체를 흡착하는 단계 및 금속 전구체가 흡착된 고분자를 다공성 전달층에 도포하는 단계, 그리고 열처리를 포함하는 탄소층에 임베디드 된 금속 나노 입자가 담지된 다공성 전달층의 제조방법과 상기 방법으로 제조된 전기화학 반응용 전극을 제시한다. 본 발명에 따라, 탄소층에 임베디드 된 금속 나노 입자의 경우 선행 연구와 비교했을 때 비교적 작은 크기로 균일하게 다공성 전달층 기판의 파이버 위에 고르게 담지가 될 수 있으며, 그렇게 담지된 금속 나노 입자는 작은 크기로 인해 넓은 표면적을 가져 실제로 더 적은 양의 금속 담지로도 좋은 활성을 갖는 전극을 제작할 수 있음을 확인하였다. 또한, 가혹한 전기화학 반응 조건에서도 극심하게 뭉치거나 용출되지 않는 우수한 내구성을 보여주었다.
Absstract of: WO2025218945A1
The invention relates to an electrochemical cell (1) for electrolysis, the electrochemical cell (1) comprising opposite main surfaces (2) and discharge channels (3) arranged between the main surfaces (2) for discharging an electrolysis product, the discharge channels (3) opening out into a collecting channel portion (4), the collecting channel portion (4) extending from one main surface (2) to the other main surface (2) of the electrochemical cell (1) and forming an opening (5) in a perpendicular direction to the main surfaces (2) with a circumferential line (6), the discharge channels (3) opening out into the collecting channel portion (4) approximately tangentially to the circumferential line (6). The invention further relates to an electrolyser (9) comprising a plurality of stacked electrochemical cells (1) and to an electrolysis method.
Absstract of: DE102024111159A1
Eine Zellenkomponentenanordnung (1) für ein elektrochemisches System umfasst ein dreidimensional strukturiertes Plattenelement (16), durch welches ein Prägefeld (12) gebildet ist, welches über einen eine Flussrichtung (FR) vorgebenden Durchleitungsbereich (7) mit einem Port (5) des elektrochemischen Systems verbunden ist, wobei durch eine Strukturierung (21) des Plattenelementes (16) insbesondere verschiedene 3er-Gruppen (22, 25) an länglichen, nebeneinander angeordneten, in Längsrichtung, das heißt Flussrichtung (FR), des Durchleitungsbereichs (7) ausgerichteten Prägeelementen (23, 24, 26, 27) gebildet sind. Hierbei handelt es sich um eine mittlere 3er-Gruppe (22) sowie zwei äußere 3er-Gruppen (25). In jeder 3er-Gruppe (22, 25) ist das mittlere Prägeelement (23, 26) geringer vom Rand (28) des Prägefeldes (12) beabstandet als die zwei seitlichen Prägeelemente (24, 27). Zugleich ist jede der beiden äußeren 3er-Gruppen (25) geringer vom Rand (28) des Prägefeldes (12) beabstandet als die mittlere 3er-Gruppe (22) an Prägeelementen (23, 24).
Absstract of: DE102024111239A1
Poröse Transportschicht 1 für den Einsatz in einem Elektrolyseur, wobei die Transportschicht 1 mehrere miteinander verbundene Lagen 2-4 aufweist, wobei mindestens eine der Lagen 2 eine Porosität unter 75 % aufweist und eine weitere Lage 3 eine Porosität von 75 % bis 90 % aufweist, wobei alle Lagen 2-4 aus Metall bestehen und stoffschlüssig miteinander verbunden sind, wobei wenigstens eine der Lagen 3 aus einem Flächengebilde aus Draht oder aus einem Streckmetallgitter besteht, das eine Hauptebene und eine 3D-Strukturierung senkrecht zu seiner Hauptebene aufweist, so dass in Verbindung mit einer benachbarten Lage 2, 4 Strömungskanäle ausgebildet werden.
Absstract of: DE102024203529A1
Die Erfindung betrifft eine elektrochemische Zelle (1) für die Elektrolyse, die elektrochemische Zelle (1) umfassend gegenüberliegende Hauptflächen (2) und zwischen den Hauptflächen (2) angeordnete Abfuhrkanäle (3) zum Abführen eines Elektrolyseproduktes, wobei die Abfuhrkanäle (3) in einen Sammelkanalabschnitt (4) münden, wobei sich der Sammelkanalabschnitt (4) von einer Hauptfläche (2) zur anderen Hauptfläche (2) der elektrochemischen Zelle (1) erstreckt und einen Durchbruch (5) in senkrechter Richtung zu den Hauptflächen (2) mit einer Umfangslinie (6) darstellt, wobei die Abfuhrkanäle (3) näherungsweise tangential zur Umfangslinie (6) in den Sammelkanalabschnitt (4) münden. Die Erfindung betrifft ferner einen Elektrolyseur (9) umfassend mehrere gestapelte elektrochemische Zellen (1) sowie ein Elektrolyseverfahren.
Absstract of: WO2025218944A1
The invention relates to a method for producing hydrocarbons. The method comprises the steps of providing i) a regenerative starting material (5) containing carbon (C) and hydrogen (H). Furthermore, the method comprises gasifying ii) the starting material (5) in a gasifier (8), wherein a synthesis gas (6) is produced, producing iii) methanol (MeOH) from the synthesis gas (6) and regenerative hydrogen (H2), wherein pure methanol (16) is separated from the produced methanol product gas (10), and producing iv) a hydrocarbon (CH) from the pure methanol (16), wherein the pure methanol (16) is catalytically converted into a hydrocarbon target product (31), in particular kerosene, gasoline, diesel or naphtha, wherein by-products (17, 23, 24, 32, 33) of the methanol synthesis and/or hydrocarbon synthesis are returned to the gasifier (8) and are further reacted into synthesis gas (6) which is then also converted into methanol and the hydrocarbon product (31). The invention also relates to a corresponding synthesis plant.
Absstract of: US2025320616A1
A differential pressure electrolysis device is equipped with a resin frame member bonded to a peripheral edge portion of an electrolyte membrane. A first member is interposed between a first separator and the resin frame member, and a second member is interposed between the resin frame member and a second separator. The differential pressure electrolysis device is equipped with a positioning member. The positioning member positions the resin frame member relative to the first member or the second member. However, the positioning member permits the resin frame member to move along a surface direction.
Absstract of: WO2025221298A1
Apparatuses, systems, and methods for leveraging subsurface geochemical reactions to provide optimal conditions for chemical extraction, hydrogen gas and/or ammonia formation and collection, carbon dioxide mineralization, and mining. In some embodiments, an integrated system can be used to simultaneously 1) produce hydrogen (H2) and ammonia (NH3) in-situ by injecting H2O and nitrogen (N)-sources onto ultramafic rocks; 2) mineralization of carbon dioxide (CO2) by injecting CO2 gas onto ultramafic rocks; and 3) collection and separation of percolated fluid form water- ultramafic rocks to extract valuable trace elements therefrom. The integrated system can deliver reactants through a subsurface for reaction with rocks disposed below ground, and outlets for collecting the products from the earth.
Absstract of: WO2024126749A1
There is provided a multi-layered proton exchange membrane for water electrolysis, comprising: at least two recombination catalyst layers, each of the at least two recombination catalyst layers comprising a recombination catalyst and a first ion exchange material, wherein at least two recombination catalyst layers are separated by a region devoid of or substantially devoid of a recombination catalyst, and at least two reinforcing layers, each of the at least two reinforcing layers comprising a microporous polymer structure and a second ion exchange material which is at least partially imbibed within the microporous polymer structure.
Absstract of: EP4636058A2
A system (100) comprising a first chamber (108) configured to contain liquid water (115) and to receive a hydrocarbon combustion exhaust stream (104) comprising water and carbon dioxide; a heat exchanger (120) positioned in the first chamber and configured to convey methanation reaction products (144) through the first chamber to transfer heat from the methanation reaction products to the liquid water; and an electrolysis system (124) configured to subject the heated liquid water to electrolysis to generate hydrogen and oxygen, the electrolysis system comprising an anode (124) and a cathode (126) each received in the chamber.
Absstract of: EP4636131A2
An electrolysis device includes: an electrolysis cell; a cathode supply flow path; an anode supply flow path; a cathode discharge flow path; an anode discharge flow path; a cathode flow rate regulator to adjust a flow rate A of a cathode supply fluid; an anode flow rate regulator to adjust a flow rate B of a anode supply fluid; a first flowmeter to measure a flow rate C of a cathode discharge fluid; a second flowmeter to measure a flow rate D of a anode discharge fluid; and a control device to estimate a Faraday efficiency according to a relational expression for approximating the Faraday efficiency to a function including the C and D, and control the cathode flow rate regulator according to the estimated Faraday efficiency to control the A.
Nº publicación: EP4635623A1 22/10/2025
Applicant:
POSCO HOLDINGS INC [KR]
RES INST IND SCIENCE & TECH [KR]
POSCO Holdings Inc,
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY
Absstract of: EP4635623A1
The present invention relates to an ammonia decomposition catalyst and a method for producing same and, more specifically, to an ammonia decomposition catalyst containing alumina (Al<sub>2</sub>O<sub>3</sub>), cerium (Ce), lanthanum (La), ruthenium (Ru), and potassium (K), and a method for producing the ammonia decomposition catalyst.
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