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Nanosheet for hydrogen evolution reaction catalyst and method for preparing thereof

Resumen de: KR20240099886A

Provided is the nano sheet for the hydrogen generation reaction catalyst. The nanosheet for a hydrogen generation reaction catalyst may be made of a transition metal dichalcogenide alloy, wherein the transition metal dichalcogenide alloy may include one transition metal selected from group 5 and one transition metal selected from group 6.

用于耦联到以孤岛模式使用的风力设备的能量供应系统以及用于向风力设备供应太阳能的方法

Resumen de: AU2024291100A1

The invention relates to an energy supply system (20) for coupling to a wind turbine (30) used in island mode, wherein the wind turbine (30) is configured to operate an electrolysis system (11) for producing green hydrogen using wind energy, wherein the energy supply system (20) has a solar energy source (21), comprising a photovoltaic module (22) and/or a solar thermal collector (23), which is configured to supply the electrolysis system (21), in particular an enclosure (12) and water-conducting lines of electrolysis units of the electrolysis system (11), with thermal energy in the event of the absence of wind energy. The invention also relates to a corresponding method for supplying solar energy to a wind turbine (30) used in island mode.

压差式电解装置

Resumen de: 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.

Método para generar y tratar un flujo de salida bifásico de una o más pilas

Resumen de: AU2024237545A1

A method for generating and treating a two-phase outflow from one or more pressurised electrolyser stacks which are adapted to electrolyse water into hydrogen and oxygen, whereby a pump supplies a catholytic fluid flow from one first gas liquid gravitational separator vessel to the electrolyser stacks and whereby a further pump supplies an anolytic fluid flow from one second gas liquid gravitational separator vessel to the electrolyser stacks, and whereby at least one cyclone type gas liquid separator receives combined outflows from the catholytic chambers and/or receives combined outflows from anolytic chambers respectively inside corresponding gravitational gas liquid separator vessel whereby further, the at least one cyclone type gas liquid separator separates the gas from the liquid along a generally horizontal cyclonic rotation axis inside the gas liquid gravitational separator vessel. An electrolyser system is also provided.

触媒被覆膜成分のリサイクル

Resumen de: CN120092333A

A method of recycling a spent catalyst coated membrane, wherein the spent catalyst coated membrane comprises: a membrane comprising a membrane ionomer; a first catalyst layer disposed on one side of the membrane, the first catalyst layer comprising a first catalyst and a first catalyst layer ionomer; and a second catalyst layer disposed on opposite sides of the membrane, the second catalyst layer comprising a second catalyst and a second catalyst layer ionomer. The method is configured to recover the first catalyst layer ionomer and the second catalyst layer ionomer in addition to the catalyst materials and the membrane ionomer.

光触媒を用いた水素ガス製造装置

Resumen de: JP2025158504A

【課題】 光触媒を用いた水素ガス製造装置１に於いて、水槽２内の圧力をできるだけ精度良く推定できるようにする。【解決手段】 水素ガス製造装置に於いて、水槽内圧力推定手段は、予め調べられた、光源装置４から光触媒体へ光が種々の照射光強度にて照射されたときの水槽内圧力に基づいて決定される現在の照射光強度に於ける水槽内圧力の暫定推定値に、生成ガスの搬送流路に設けられた圧力検知手段１２にて検知された圧力の検知値と、その検知値に対応する圧力が水槽内にて発生した時点に於ける照射光強度に於ける水槽内圧力の暫定推定値とに基づいて算出された補正係数を乗じて得られた値を現在の水槽内圧力の現在推定値として決定する。【選択図】 図１

PROCESS AND PLANT

Resumen de: WO2025215366A1

PROCESS AND SYSTEM The invention relates to processes and systems for the cracking of ammonia to produce hydrogen and nitrogen. The invention provides a process for controlling an ammonia cracking plant to place the ammonia cracking plant into a turndown state, an ammonia cracking plant in a turndown state, and a process for returning an ammonia cracking plant from a turndown state to a state of normal operation. FIGURE 2 TO ACCOMPANY

Microbial electrolysis cell driven by duty-cycle method and hydrogen production method using the same

Resumen de: KR20250149338A

본 발명의 바람직한 실시예에 따른 간헐적 전압 공급장치를 포함하는 미생물전기분해전지 및 이를 이용한 수소 발생방법은 소모되는 에너지량을 줄일 수 있음과 동시에 환원전극에서 국부적으로 발생되는 데드 존을 감소시켜 환원전극의 표면적을 효율적으로 이용하며 수소 생산을 향상시킬 수 있다.

A METHOD FOR PRODUCING HYDROGEN GAS FROM NON-PURIFIED WATER VIA SULPHUR DEPOLARIZED ELECTROLYSIS (SDE)

Resumen de: WO2025214668A1

A method for producing hydrogen gas from non-purified water via sulphur depolarized electrolysis (SDE), said method comprises the steps of providing at least one electrochemical cell (2), which comprises at least one positive electrode (A) and at least one negative electrode (C), separated by a proton conductive membrane (3), non-purified water supply means (S1) configured to supply non-purified water to the cathode, sulphur dioxide supply means (S2) configured to supply sulphur dioxide to the anode, electrical connecting means (4) configured to connect the anode (A) and the cathode (C) to an external power source (P), supplying non-purified water to the cathode, supplying sulphur dioxide to the anode, applying a voltage of at least 0.45 V and up to 1.37 V to the electrodes (A, C) to cause an electrolysis reaction that produces hydrogen gas at the cathode and sulphuric acid at the anode, removing produced hydrogen gas from the cathode and produced sulphuric acid from the anode.

GAS DIFFUSION LAYER FOR AN ELECTROLYSIS CELL

Resumen de: WO2025214639A1

The invention relates to a gas diffusion layer (5) for an electrolysis cell (1), comprising a fine layer (51) and a coarse layer (52). The fine layer (51) comprises a fine structure with pores of a first pore size, and the coarse layer (52) comprises a coarse structure with pores of a second pore size. The coarse layer (52) comprises a plurality of spiral elements (520), the spiral elements (520) are interwoven, and at least one spiral element (520) is freely movable, in particular freely rotatable, The gas diffusion layer further comprises at least one intermediate layer (53). The at least one intermediate layer (53) comprises an intermediate structure with pores of an intermediate pore size, and the intermediate layer (53) is provided between the fine layer (51) and the coarse layer (52), said intermediate pore size being larger than that of the fine layer (51) and smaller than that of the coarse layer (52).

FUEL SUPPLY SYSTEM FOR A COMBUSTION ENGINE, SYSTEM COMPONENTS AND METHODS

Resumen de: WO2025215257A1

The invention relates to generating fuel for an internal combustion engine such as a piston engine or a gas turbine. The invention relates to a system, apparatuses and methods for producing hydrogen and for hydrogen fuel enhancement. The invention relates in particular to an electrolyser that comprises an electrolyser housing enclosing an interior space that is adapted for containing a water reservoir. The electrolyser housing comprises a side wall and a top cover and a bottom cover that are tightly connected to the side wall. The electrolyser further comprises a plurality of elongate electrodes that extend from the bottom cover and/or the top cover into the interior space enclosed by the electrolyser housing. The electrodes are electrically isolated from the electrolyser housing and are electrically connected to electric conductors for feeding DC current to the electrodes. The electric connections are configured to connect electrodes acting as cathodes to a negative voltage terminal of a DC electric power source and to connect electrodes acting as anodes to a positive voltage terminal of a DC electric power source.. The invention further relates to a method of producing hydrogen enhanced hydrocarbon fuel comprising the steps of. - producing hydrogen from water by means of an electrolyser - vaporizing hydrocarbon fuel - mixing the hydrogen and the vaporized hydrocarbon fuel - compressing the mixture of hydrogen and the vaporized hydrocarbon fuel, and - ionizing the compressed

アノード触媒、アノード電極、及び電解反応器

Resumen de: JP2025157938A

【課題】触媒活性及び耐久性に優れたアノード触媒を提供する。【解決手段】組成式：Ｒｕ１－ｘＴａｘＯｙ（式中、ｘ、ｙは、０．３≦ｘ≦０．７、１．８＋０．４５ｘ≦ｙ≦２．２＋０．５５ｘを満たす）で表され、Ｘ線回折パターンにおける（１１０）面の回折ピークの半値幅が０．７°超である複合酸化物を含むことを特徴とするアノード触媒である。【選択図】なし

Caldera con máquina productora de hidrógeno y oxígeno

Resumen de: ES3039082A1

La Caldera con máquina productora de hidrógeno y oxígeno, con una cámara de combustión, comprende una máquina (1) equipada con al menos una celda electrolítica (2) conectada con la cámara de combustión para alimentarla en hidrógeno y oxígeno.

STEAM SULFUROUS MATERIAL REFORMING AND THERMOCHEMICAL CYCLES RELATED THERETO

Resumen de: WO2025217599A1

A method can include performing a series of reactions in a closed cycle, the series of reactions consisting of a hydrolysis reaction where a redox reagent is oxidized to a corresponding oxidized redox reagent with water contemporaneously with the production of hydrogen; and a reduction reaction where the oxidized redox reagent is reduced to the redox reagent using a sulfurous reactant contemporaneously with production of sulfur dioxide.

CLOSED-CYCLE USE OF HYDROGEN AND OXYGEN FOR CARBON CAPTURE AND EMISSIONS REDUCTION

Resumen de: WO2025217582A1

Embodiments of the present disclosure provide for a processing system and methods for carbon capture and emissions reduction associated with industrial processes. The processing system includes an electrolysis plant, a first kiln, a second kiln, and a carbon capture system. The electrolysis plant configured to generate oxygen and hydrogen from a first amount of water. The first kiln is configured to receive the oxygen generated by the electrolysis plant and to produce a second amount of water, a commercial product, and flue gas via an oxy-combustion reaction. The second kiln is configured to receive the hydrogen generated by the electrolysis plant and to produce a third amount of water, the commercial product, and an exhaust gas via a combustion reaction. The carbon capture system is configured to receive flue gas from the first kiln.

METHOD OF HIGH EFFICIENCY ELECTRICAL HEATING FOR A THERMOCHEMICAL PROCESS

Resumen de: WO2025217322A1

Various aspects of this disclosure relate to large-scale commercial systems and methods of thermochemical processes to produce green hydrogen or syngas from one or more of a hydrocarbon, H2O, and CO2 via a thermochemical gas splitting reactor system. In some embodiments, the systems and methods include a standalone thermochemical reactor that bypasses the requirement for direct concentrated solar radiation as the source of process heat. In some embodiments, the systems and methods include a well-insulated, refractory-lined steel pressure vessel, in which process gases heated indirectly via radiation can be delivered to facilitate the desired thermochemical reactions in a fluidized bed configuration.

STAINLESS STEEL MATERIAL FOR SOLID OXIDE WATER ELECTROLYSIS

Resumen de: WO2025216105A1

Provided is a stainless steel material for solid oxide water electrolysis, which contains, on a mass basis, 0.030% or less of C, 1.6% to 3.5% of Si, 0.10% to 1.00% of Mn, 0.050% or less of P, 0.0030% or less of S, 16.0% to 21.0% of Cr, 1.00% or less of Al, 0.030% or less of N, 1.00% or less of Nb, 1.00% or less of Ti, 1.00% or less of Ni, and 1.00% or less of Cu, with the balance being made up of Fe and impurities.

USING ELECTRICAL RESERVOIR STIMULATION TO ENGINEER A GEOLOGIC BATTERY FOR LONG-TERM ENERGY STORAGE AND HYDROGEN GENERATION

Resumen de: US2025320803A1

This disclosure describes systems and methods for using electrical stimulation of a rock formation (e.g., a subterranean formation, a subterranean reservoir) to improve, or otherwise enhance, the energy storage capabilities of the rock formation. Many existing rock formations are too impermeable to facilitate energy storage; however, the Inventors have recognized and appreciated that a “geobattery” may be constructed by using electrical stimulation to increase the permeability of a rock formation (e.g., a subterranean formation) such that water (or some other fluid) can be pumped into the rock formation, in particular, a reservoir within the rock formation, and converted into hydrogen to store the energy within the hydrogen.

GAS MANAGEMENT SYSTEM FOR AN ELECTROCHEMICAL CELL

Resumen de: US2025320615A1

A gas management system includes an anodic chamber, a cathodic chamber, and a membrane assembly configured to remove bubbles from an electrochemical cell to increase hydrogen generation of the electrochemical cell. The membrane assembly includes a first outer layer arranged between the cathodic chamber and the anodic chamber, a second outer layer arranged between the first outer layer and the cathodic chamber, and a spacer layer arranged between the first outer layer and the second outer layer.

CONTROL DEVICE FOR WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS SYSTEM, AND CONTROL METHOD FOR WATER ELECTROLYSIS CELL

Resumen de: US2025320617A1

A water electrolysis cell has: an oxygen generating electrode containing an oxygen generating catalyst; a hydrogen generating electrode containing a hydrogen generating catalyst; and a membrane that separates the oxygen generating electrode and the hydrogen generating electrode, and electrolyzes water to generate oxygen on the oxygen generating electrode and generate hydrogen on the hydrogen generating electrode. A control device controls electric current supply to the water electrolysis cell so that a potential of the oxygen generating electrode is higher than a reduction potential of the oxygen generating catalyst and lower than an oxygen generating potential, and a potential of the hydrogen generating electrode is lower than an oxidation potential of the hydrogen generating catalyst, during an operation stop.

HYDROGEN PRODUCING DEVICE

Resumen de: US2025320618A1

Hydrogen producing devices include: an inner tube with macroscopic holes. The tube has at one end an entrance opening, and at the other end an exit opening. The openings allow entrance of moist a gas and allowing exit of a gas comprising oxygen being produced in the device respectively. An electrode assembly covers the outer surface of the tube. The assembly includes an oxygen producing electrode at the inner side of the assembly, and a hydrogen producing electrode at the outer side of the assembly. The electrodes are separated from each other by a separator, a liquid or solid material with hygroscopic properties.

COOLING SYSTEM FOR AN ELECTROCHEMICAL PLANT

Resumen de: US2025320614A1

The present disclosure advantageously provides an improved cooling system for an electrochemical plant. The configurations disclosed herein provide advantages and improvements in a cooling system for the electrochemical plant. The cooling system advantageously cools multiple subsystems within the plant using dry coolers, thereby easing maintenance and access to various components within the plant, minimizing or reducing the amount of process piping within the plant used to cool the multiple subsystems, and reducing the complexity of the overall plant.

Reactor For Producing Hydrogen From Water

Resumen de: US2025320613A1

A reactor for producing hydrogen from water by applying a magnetic field and positive and negative electric charges to the water, and by heating the water with a hot gas. The reactor comprises a housing, at least one conduit for supplying water to the housing, at least one magnetic inductor for applying a magnetic field to the water, electrode plates for applying positive and negative charges to the water, and a conduit for supplying a hot gas to the housing. The reactor also includes a conduit for removing the hydrogen from the housing. The hydrogen produced by the reactor may be supplied as at least a portion of the fuel required to power or run generators that provide electric power to substations, dams, or buildings, or engines in vehicles such as cars, trucks, buses, boats, ships, locomotives, motorcycles, airplanes, submarines, golf carts, lawn mowers, and Zambonis.

METHOD OF OPERATING WATER ELECTROLYSIS CELL

Resumen de: US2025320612A1

The present disclosure relates to a method of operating a water electrolysis cell that can improve long-term durability even under high current density operating conditions.

DIFFERENTIAL PRESSURE ELECTROLYSIS DEVICE

Nº publicación: US2025320616A1 16/10/2025

Solicitante:

HONDA MOTOR CO LTD [JP]
HONDA MOTOR CO., LTD

Resumen de: 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.