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Electrolytic Cell

Resumen de: AU2025201415A1

The invention relates to an electrolytic cell com-prising or consisting of (i) two metal half-cells which form the an-ode chamber and the cathode chamber, (ii) an anode and a cathode arranged in the anode chamber and cathode chamber respective-ly, (iii) a separator membrane, which separates the two electrodes from one another; (iv) for each half-cell at least one inflow and one outflow for reactant and product; and (v) optionally spacers which position the two electrodes in their respective electrode chambers, the two half-cells being connected over their perimeters, but elec-trically isolated from one another and having a wall thickness of 0.05 to 0.15 mm.

Electrode, membrane electrode assembly, electrochemical cell, stack, and electrolyzer

Resumen de: AU2024204846A1

An electrode according to an embodiment including a support and a catalyst layer provided on the support and alternately stacked with sheet layers and gap layers. The catalyst layer is for electrolysis. The catalyst 5 layer comprises a first metal which is one or more elements selected from the group consisting of Ir, Ru, Pt, Pd, Hf, V, Au, Ta, W, Nb, Zr, Mo, and Cr, and a second metal which is one or more elements selected from the group consisting of Ni, Co, Mn, Fe, Cu, Al, and Zn. The catalyst layer comprises a first region and a second region. The first metal in the first region is 10 more oxidized than the first metal in the second region. A ratio of the second metal in the first region is greater than the ratio of the second metal in the second region. Fig. 1 Fig. 2

PRODUCTION AND USE OF AQUA-AMMONIA FOR STORAGE OF ENERGY OR HYDROGEN

Resumen de: WO2025059026A1

Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.

HYBRID ELECTRODE COMPRISING PLASMONIC NANOPARTICLES AND ELECTROLYTIC SYSTEM COMPRISING SAME

Resumen de: WO2025058457A1

The present application relates to a hybrid electrode comprising plasmonic nanoparticles and an electrolytic system comprising same. The hybrid electrode and the electrolytic system comprising same according to embodiments of the present application may reactivate a catalyst surface by utilizing a plasmonic phenomenon during an electrochemical reaction using a plasmonic-active electrode (antenna-reactor) composite electrode.

ELECTROLYSIS UNIT FOR OBTAINING GASEOUS PRODUCTS

Resumen de: US2025092551A1

An electrolysis unit A fluid manifold system is feeding electrolytic solution into the electrolytic cells and discharging the electrolytic solution out of the electrolytic cells. The cavity of an expandable closing device is pressurized so that its shell expands and the volume of the cavity increases. The expandable closing device is arranged within the fluid manifold system, so that the fluid manifold system is open for the passage of electrolytic solution if the expandable closing device is in a depressurized state and the fluid manifold system is closed for the passage of electrolytic solution if the expandable closing device is in a pressurized state.

PRODUCTION OF SYNTHETIC HYDROCARBONS

Resumen de: US2025091905A1

An eFuels plant and process for producing synthetic hydrocarbons using renewable energy are disclosed. The eFuels plant comprises a hydrocarbon synthesis (HS) system and a renewable feed and carbon/energy recovery (RFCER) system. The RFCER comprises a heat integration system between an electrolysis unit and a thermal desalination unit. The thermal desalination unit is configured to receive seawater and a first amount of thermal energy and to produce a desalinated water stream and a brine effluent stream. The electrolysis unit is configured to receive a demineralized water stream and an amount of electrical energy to produce a hydrogen stream, an oxygen stream, and a second amount of thermal energy, wherein the second amount of thermal energy is absorbed by a second low temperature heat transfer fluid stream to produce a second high temperature heat transfer fluid stream. A fluidly segregated piping system containing a heat transfer fluid is configured to withdraw heat from the electrolysis unit and deliver heat to the thermal desalination unit. A control system manages flows of the heat transfer fluid between the electrolysis unit and the thermal desalination unit, the addition of heat to the flow to the thermal desalination unit, and/or the removal of heat from the flow to the electrolysis unit.

MULTISTAGE ELECTROCHEMICAL HYDROGEN COMPRESSOR AND CONTROL METHOD THEREOF

Resumen de: WO2025058397A1

A multistage electrochemical hydrogen compressor according to an embodiment of the present invention may include: a stack for compressing hydrogen; and a current supply unit for applying a current to the stack, wherein the stack includes: a low-pressure end plate having an inlet through which low-pressure hydrogen is introduced; a high-pressure end plate having an outlet for discharging high-pressure hydrogen acquired by compressing the low-pressure hydrogen; a plurality of cells disposed between the low-pressure end plate and the high-pressure end plate; and a membrane-electrode assembly each disposed between the plurality of cells, and the current supply unit is connected to each of the plurality of cells to selectively control current application to the plurality of cells.

OFFSHORE GREEN HYDROGEN PRODUCTION SYSTEM INTEGRATED WITH FLOATING OFFSHORE WIND POWER

Resumen de: WO2025058260A1

An apparatus integrated with floating offshore wind power for producing offshore green hydrogen, according to one embodiment, comprises: an offshore wind power generator; a hydrogen production system for producing hydrogen by using seawater; a control unit for controlling at least one portion of the hydrogen production system; and a power source unit for supplying power to at least one portion of the hydrogen production system or the control unit.

METHOD FOR MANUFACTURING WATER ELECTROLYSIS CATALYST

Resumen de: WO2025058339A1

The present invention relates to a copper-nickel-iron double layer hydroxide nanoprism, a manufacturing method thereof, and a use thereof as a water electrolysis catalyst. The present invention discloses a catalytic electrode for water electrolysis, the catalytic electrode comprising: a metal foam; and a composite transition metal chalcogenide heterostructure formed on the metal foam. This catalytic electrode for water electrolysis can exhibit improved electrochemical catalytic activity for both a hydrogen evolution reaction (HER) and an oxygen evolution reaction (OER) in a water electrolysis reaction, can efficiently produce hydrogen with a lower energy supply than conventional noble metal electrodes, and can be used in both anion exchange membrane water electrolyzers and solar cell-water electrolysis systems. The present invention relates to a nanosphere hybrid structure containing nickel cobalt selenide and molybdenum selenide, and a use thereof as a water electrolysis catalyst. The present invention relates to a water electrolysis catalyst in which zinc cobalt sulfide and molybdenum disulfide are hetero-bonded, and a manufacturing method thereof.

HYDROGEN DRYING SYSTEM FOR HYDROGEN PRODUCTION USING RENEWABLE ENERGY

Resumen de: WO2025055403A1

A hydrogen drying system for hydrogen production using renewable energy. Two adsorbers (1, 2) are arranged in parallel, the two adsorbers (1, 2) alternately perform an adsorption process and a desorption process, the adsorption flow of each of the adsorbers (1, 2) changes along with the fluctuations of input renewable energy, and an operating state of each of the adsorbers (1, 2) is switched by means of accumulating the hydrogen flow treated by each of the adsorbers (1, 2) during a single adsorption process; a pre-adsorber (3) is connected in series to one of the adsorbers (1, 2) and is used for assisting in the desorption process; and during the desorption process, hydrogen in the pre-adsorber (3) or the adsorbers (1, 2) is circulated by means of a hydrogen self-circulation apparatus (4), and the desorption process is independent of the adsorption process. Since the adsorption process and the desorption process are independent of each other, after a raw gas enters the adsorbers (1, 2) and absorption is completed, all the raw gas is output; and during the desorption process, hydrogen in the pre-adsorber (3) or the adsorbers (1, 2) is circulated by means of the hydrogen self-circulation apparatus (4) to realize hydrogen regeneration, so that the problem of desorption being incomplete due to desorption interruption caused by the flow fluctuations of the raw hydrogen is solved, intermittent and fluctuating renewable energy can be matched to perform hydrogen production, and an op

AMMONIA SYNTHESIS PLANT FOR PARTIAL-LOAD OPERATION WHICH CHANGES, AND METHOD FOR OPERATING AN AMMONIA SYNTHESIS PLANT

Resumen de: WO2025056589A1

The present invention relates to an ammonia synthesis plant having a hydrogen device and a synthesis circuit, wherein the synthesis circuit has a conveying device, a converter and a first bypass line. The hydrogen device is designed to provide hydrogen. The conveying device is designed to cyclically convey a gas mixture, containing nitrogen, hydrogen and ammonia, in a synthesis circuit conveying direction, wherein the conveying device has a suction side and a pressure side. The converter is designed to catalytically convert nitrogen and hydrogen at least partially into ammonia, wherein the converter has an inlet and an outlet, wherein the inlet of the converter is fluidically connected to the pressure side of the conveying device and the outlet of the converter is fluidically connected to the suction side of the conveying device. The first bypass line is arranged from the suction side of the conveying device to the pressure side of the suction device parallel to the conveying device in the fluidically opposite direction and is designed for the stoppable return of a first partial stream of the gas mixture from the pressure side of the conveying device to the suction side of the conveying device, wherein the first bypass line has a cooling device which is designed to cool the first partial stream of the gas mixture. The first bypass line has a second bypass line, which is arranged parallel to the cooling device in the fluidically same direction, and which is designed for the st

METHOD FOR PRODUCING HYDROGEN WITH A RUTHENIUM-CONTAINING CARRIER CATALYST

Resumen de: WO2025056226A1

The present invention relates to a method for producing hydrogen from an ammonia-containing gas with a ruthenium-containing carrier catalyst, and to the use of a ruthenium-containing carrier catalyst in a method for producing hydrogen. The method comprises producing a ruthenium-containing carrier catalyst using an oxalate-containing ruthenium precursor compound, and bringing the carrier catalyst into contact with the ammonia-containing gas.

PROCESS FOR PRODUCING HYDROGEN WITH A RUTHENIUM-CONTAINING SUPPORTED CATALYST

Resumen de: WO2025056228A1

The present invention relates to a process for producing hydrogen from an ammonia-containing gas with a supported catalyst in the form of a ruthenium-endowed support body, and to the use of such a ruthenium-containing supported catalyst in a process for producing hydrogen. The process comprises the providing of a supported catalyst in the form of a ruthenium-endowed support body, wherein the support body comprises a refractory oxide as support material, is cylindrical and has at least three mutually spaced-apart channels that extend fully through the support body, where one of the channels extends along a central longitudinal axis.

Verfahren zum Betreiben einer Elektrolyseanlage, Elektrolyseanlage

Resumen de: DE102023209125A1

Die Erfindung betrifft ein Verfahren zum Betreiben einer Elektrolyseanlage (1), umfassend einen Stack (2) mit einer Anode (3) und einer Kathode (4), wobei im Normalbetrieb der Elektrolyseanlage (1) der Anode (3) über einen Wasserkreislauf (5) mit integrierter Pumpe (6) Wasser zugeführt wird und das Wasser im Stack (2) durch Elektrolyse in Wasserstoff und Sauerstoff aufgespalten wird, und wobei der durch Elektrolyse erzeugte Wasserstoff über einen Kathodenauslass (10) des Stacks (2) und eine hieran angeschlossene Medienleitung (7) einem Gas-Flüssigkeit-Separator (8) zugeführt wird. Erfindungsgemäß ist vorgesehen, dassa) beim Abschalten der Elektrolyseanlage (1) ein Absperrventil (11) in einer Inertgasleitung (12) geöffnet wird, die einen Inertgasbehälter (13) mit der Kathode (4) verbindet, und die Kathode (4) mit dem Inertgas gespült wird, während die Wasserversorgung der Anode (3) eingestellt wird, undb) beim Wiederanfahren der Elektrolyseanlage (1) die folgenden Schritte ausgeführt werden:(i) Schließen des in die Inertgasleitung (12) integrierten Absperrventils (11),(ii) Versorgen der Anode (3) mit Frischwasser über eine an den Wasserkreislauf (5) angeschlossene Frischwasserversorgung (14) bei noch abgeschaltetem Strom,(iii) Versorgen des Stacks (2) mit dem für die Elektrolyse benötigten Strom und(iv) Produktion einer Wasserstoffmenge, die mindestens der Menge an in der Kathode (4) vorhandenem Inertgas, vorzugsweise der 1,5- bis 10-fachen Menge an in der Kath

Vorrichtung zur Erzeugung von Energie

Resumen de: DE102024119758A1

Die vorliegende Erfindung betrifft eine Vorrichtung (10) zur Erzeugung von Energie, aufweisend wenigstens ein Photovoltaikmodul (17) mit einer oder mehreren Photovoltaikzellen (102; 17a), sowie wenigstens ein Elektrolysemodul (19) mit wenigstens einer Elektrolysezelle (19d). Um eine Vorrichtung (10) bereitzustellen, die zum einen konstruktiv einfach aufgebaut ist, ohne dass es für deren Betrieb zwischengeschalteter Komponenten bedarf, und die zum anderen vielseitig eingesetzt und modular verwendet werden kann, ist vorgesehen, dass die wenigstens eine Photovoltaikzelle (17a) elektrisch direkt mit der wenigstens Elektrolysezelle (19d) verbunden ist, und dass das Photovoltaikmodul (17), insbesondere die wenigstens eine Photovoltaikzelle (17a) und das Elektrolysemodul (19), insbesondere die wenigstens eine Elektrolysezelle (19d) konfiguriert sind, dass die Maximalleistungs-Spannung der Photovoltaikzellen (17a) der Spannung im Betriebspunkt der wenigstens einen Elektrolysezelle (19d) entspricht.

Elektrolysevorrichtung und Verfahren zum Betreiben einer Elektrolysevorrichtung

Resumen de: DE102023125551A1

Die Erfindung betrifft eine Elektrolysevorrichtung (1) zur elektrochemischen Erzeugung von Wasserstoff aus Wasser, mit- einem Kathodenbereich (3) und einem von dem Kathodenbereich (3) separierten Anodenbereich (5),- einer Wasserzufuhrvorrichtung (7), die eingerichtet ist, um dem Anodenbereich (5) Wasser zur elektrochemischen Umsetzung in dem Anodenbereich (5) zuzuführen,- eine Wasserrückführvorrichtung (9), die eingerichtet ist, um Wasser aus dem Kathodenbereich (3) in den Anodenbereich (5) zurückzuführen, wobei- die Wasserrückführvorrichtung (9) eine Energiewandlungsvorrichtung (11) aufweist, die angeordnet und eingerichtet ist, um Energie des über die Wasserrückführvorrichtung (9) zurückgeführten Wassers zu wandeln.

BIPOLAR PLATE COMPRISING SURFACE-TREATED FLOW CHANNELS

Resumen de: US2025087718A1

A bipolar plate for a fuel cell having a two-phase cooling system and a fuel cell system includes a coolant inlet, a coolant outlet, and coolant channels with the coolant inlet being in fluid connection with the coolant outlet via the coolant channels. At least one inner surface of coolant inlet, coolant outlet and at least one of the coolant channels has a surface treatment to influence a flow regime of a cooling fluid along at least one inner surface and/or a phase transition of the cooling fluid.

- Bifunctional electrocatalysts with Fe and Se for overall water splitting method of manufacturing the same electrolyzer apparatus having the same

Resumen de: KR20250039100A

본 발명은, 귀금속이 아닌 원소를 양기능성 전극 촉매로 사용한 철-셀레늄 기반 양기능성 수전해 촉매체 및 그 제조방법, 및 그를 포함하는 수전해 장치를 제공한다. 본 발명의 일 실시예에 따른 양기능성 수전해 촉매체의 제조방법은, 베이스 기판을 제공하는 단계; 상기 베이스 기판을 질산 니켈 용융액에 침지하여, 상기 베이스 기판 상에 수산화니켈 아질산 어레이 구조체를 성장시키는 단계; 상기 수산화니켈 아질산 어레이 구조체를 어닐링하는 단계; 및 상기 어닐링된 수산화니켈 아질산 어레이 구조체 상에 철 및 셀레늄을 전착시켜 철-셀레늄 촉매층을 형성하는 단계를 포함한다.

METHOD AND APPARATUS FOR GASIFICATION OF BIOGENIC MATERIAL

Resumen de: US2025092323A1

There is provided a method and apparatus for producing hydrogen gas from biogenic material (210) within a pressure vessel (10). The method comprises heating a granular material (15) to greater than 500° C., adding a batch of biogenic material (210) into the pressure vessel with the heated granular material (15) at atmospheric pressure, closing the pressure vessel, and mixing the heated granular material (15) with the biogenic material (210) inside the closed pressure vessel (10) to raise the temperature of the biogenic material (210) and commence gasification, the gasification producing gas that increases the pressure inside the pressure vessel (10), the produced gas comprising hydrogen gas.

METHOD OF PREPARING METAL OXIDE CATALYSTS FOR OXYGEN EVOLUTION REACTION

Resumen de: CN118984733A

Highly active and stable water electrolysis catalysts with reduced noble metal loading and methods of making the same are described. The method involves depositing a substantially continuous platinum group metal (PGM)-based precursor thin shell layer on a nanoscale inorganic oxide core to form a coated inorganic oxide core. The coated inorganic oxide core is heated in the presence of a template to convert the substantially continuous PGM-based precursor thin shell layer to a substantially continuous PGM oxide thin shell layer. The template is then removed, forming a water electrolysis catalyst comprising a nanoscale inorganic oxide core having a substantially continuous PGM oxide thin shell layer. The water electrolysis catalyst comprises less than 30% by weight of PGM oxide.

CATALYST COATED IONICALLY CONDUCTIVE MEMBRANE COMPRISING CONDUCTIVE POLYMER FOR WATER ELECTROLYSIS

Resumen de: CN119032201A

A catalyst coated ion conducting membrane is described. The catalyst coated ion conducting membrane includes an ion conducting membrane; an anode catalyst coating on a first surface of the ion-conducting membrane, or a cathode catalyst coating on a second surface of the ion-conducting membrane, or both, where the anode catalyst coating or the cathode catalyst coating or both comprises a conductive polymer. Membrane electrode assemblies and electrolysis systems incorporating the catalyst coated ion conducting membranes are also described.

FLUIDIC MEMBER FOR USE IN AN ELECTROLYZER SYSTEM

Resumen de: TW202403105A

An electrolyzer system comprising an electrochemical cell and an electrolyzer fluidic member utilized to supply a fluid to the electrochemical cell is provided. The electrolyzer fluidic member comprises a polymer composition that includes a polyarylene sulfide.

BIPOLAR PLATE WITH SURFACE-TREATED FLOW CHANNELS

Resumen de: EP4525102A1

Es ist eine Bipolarplatte (10) und ein Brennstoffzellensystem (100), für eine Brennstoffzelle mit einem Zwei-Phasen-Kühlsystem angegeben, aufweisend:einen Kühlmitteleinlass (12),einen Kühlmittelauslass (14),eine Vielzahl von Kühlmittelkanälen (16),wobei der Kühlmitteleinlass (12) über die Vielzahl von Kühlmittelkanälen (16) mit dem Kühlmittelauslass (14) in Fluidverbindung steht,wobei mindestens eine Innenfläche von Kühlmitteleinlass (12), Kühlmittelauslass (14) und mindestens einem der Vielzahl von Kühlmittelkanälen (16) eine Oberflächenbehandlung aufweist um einen Strömungsverlauf einer Kühlflüssigkeit entlang mindestens einen Innenfläche und/oder einen Phasenübergang der Kühlflüssigkeit zu beeinflussen.

Hydrogen fuel-cell systems

Resumen de: GB2633722A

An integrated hydrogen-electric engine includes a hydrogen fuel-cell; a hydrogen fuel source; an electric motor assembly disposed in electrical communication with the fuel-cell; an air compressor system configured to be driven by the motor assembly, and a cooling system having a heat exchanger radiator in a duct of the cooling system, and configured to direct an air stream including an air stream from the air compressor through the radiator, wherein an exhaust stream from a cathode side of the fuel-cell is fed via a flow control nozzle into the air stream in the cooling duct downstream of the radiator.

METHOD FOR PRODUCING HYDROGEN USING A SUPPORTED CATALYST CONTAINING RUTHENIUM

Nº publicación: EP4524099A1 19/03/2025

Solicitante:

HERAEUS PRECIOUS METALS GMBH [DE]
Heraeus Precious Metals GmbH & Co. KG

Resumen de: EP4524099A1

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Wasserstoff aus einem Ammoniak-haltigem Gas mit einem Trägerkatalysator in Form eines mit Ruthenium-ausgestatteten Trägerkörpers, sowie die Verwendung eines solchen Ruthenium-haltigen Trägerkatalysators in einem Verfahren zur Herstellung von Wasserstoff. Das Verfahren umfasst das Bereitstellen eines Trägerkatalysators in Form eines mit Ruthenium-ausgestatteten Trägerkörpers, wobei der Trägerkörper als Trägermaterial ein refraktäres Oxid umfasst, zylinderförmig ist und mindestens drei voneinander beabstandete Kanäle aufweist, die sich vollständig durch den Trägerkörper erstrecken, wobei einer der Kanäle sich entlang einer zentralen Längsachse erstreckt.