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Biological and Chemical Process Utilizing Chemoautotrophic Microorganisms for the Chemosynthetic Fixation of Carbon Dioxide and/or Other Inorganic Carbon Sources into Organic Compounds and the Generation of Additional Useful Products

Resumen de: US2025257374A1

The invention described herein presents compositions and methods for a multistep biological and chemical process for the capture and conversion of carbon dioxide and/or other forms of inorganic carbon into organic chemicals including biofuels or other useful industrial, chemical, pharmaceutical, or biomass products. One or more process steps utilizes chemoautotrophic microorganisms to fix inorganic carbon into organic compounds through chemosynthesis. An additional feature described are process steps whereby electron donors used for the chemosynthetic fixation of carbon are generated by chemical or electrochemical means, or are produced from inorganic or waste sources. An additional feature described are process steps for recovery of useful chemicals produced by the carbon dioxide capture and conversion process, both from chemosynthetic reaction steps, as well as from non-biological reaction steps.

METHOD FOR OPERATING AN ELECTROLYSIS SYSTEM, AND ELECTROLYSIS SYSTEM

Resumen de: US2025257488A1

An electrolysis system includes at least one electrolyzer for generating hydrogen and oxygen as products, and at least two downstream compressors for compressing at least one of the products produced in the electrolyzer. A method of operating the electrolysis system in a part-load operation of the electrolyzer that is optimized in terms of efficiency and is also cost-effective. During the part load operation of the electrolyzer, a first group of compressors is operated in part-load operation, while the compressor(s) of a second group can be switched on or off individually for full-load operation.

CATALYST AND ANODE FOR HYDROGEN PRODUCTION BY ELECTROLYSIS AS WELL AS PREPARATION METHOD, ACTIVATION METHOD AND USE THEREOF

Resumen de: US2025257483A1

Clean version of Abstract A catalyst and anode for hydrogen production by electrolysis as well as a preparation method, activation method and use thereof are provided. The anode for hydrogen production by electrolysis includes a catalyst which is nickel iron barium hydrotalcite with a nano hexagonal sheet structure and a thickness of 100-200 nm. The catalyst can be prepared by a one-step solvothermal reaction method. Alkaline-earth metal ions are evenly doped in the nickel iron barium hydrotalcite and are in atomic level dispersion, so that the anode for hydrogen production by electrolysis based on the catalyst, when being applied to a process for hydrogen production by electrolysis of an aqueous solution containing chlorine ions, not only can maintain good catalytic performance, but also has greatly improved chlorine ion corrosion resistance, leading to significant improvement of working stability and service life.

METHOD OF ELECTROLYSING HYDROGEN BROMIDE AFTER H2SO4 SYNTHESIS

Resumen de: US2025257477A1

A method of electrolysing hydrogen bromide comprising the steps i) synthesizing sulfuric acid such that hydrogen bromide is produced, ii) providing an electrolytic cell comprising an anode, a cathode, and a membrane sandwiched between the anode and the cathode, iii) feeding a first composition comprising hydrogen bromide and water to the anode, iv) feeding a second composition comprising hydrogen bromide and water to the cathode, and v) operating the electrolytic cell to produce hydrogen at the cathode.

SYSTEMS AND METHODS FOR INCREASED SULFURIC ACID CONCENTRATION FROM SULFUR DIOXIDE DEPOLARIZED ELECTROLYSIS AND USES THEREOF

Resumen de: US2025257476A1

A method can include coupling sulfur dioxide depolarized electrolysis (e.g., electrochemical oxidation of sulfur dioxide to sulfuric acid with electrochemical reduction of water to hydrogen) with the contact process to facilitate formation of high concentration sulfuric acid with concurrent hydrogen production. The sulfuric acid and hydrogen can optionally be used cooperatively for downstream processes (e.g., metal extraction from ore, fertilizer production, hydrocarbon processing, etc.).

AN ELECTRODE FOR OXYGEN GENERATION

Resumen de: US2025257484A1

An electrode suitable for carrying out oxygen evolution reaction in the electrolysis of water in alkaline conditions. The electrode includes a ceramic material having a stability factor (SF) between 1.67≤SF≤2.8 and which is calculated by formula (II), where rO is the ionic radius of oxide ion (O2−), rB,av is the weighted average ionic radius of a transition metal, nA,Av is the weighted average oxidation state of a rare earth or alkaline earth metal, rA,av is the weighted average ionic radius of a rare earth or alkaline earth metal. An alkaline electrolysis stack includes the electrode, as well as a method for the electrolysis of water in alkaline conditions using the alkaline electrolysis stack.

METHOD FOR OPERATING AN ELECTROLYSIS PLANT, AND ELECTROLYSIS PLANT

Resumen de: US2025257475A1

The invention relates to a method for operating an electrolysis plant which has an electrolyzer for generating hydrogen and oxygen as product gases, wherein water is fed as educt water to the electrolyzer and split into hydrogen and oxygen at an ion-exchange membrane. Prior to splitting, the educt water is brought into a thermodynamic state close to the boiling point of the water in terms of the pressure and temperature and is fed in this state to the membrane. Educt water is brought to a boil at the membrane and converted into the gas phase, wherein the water in the gas phase is split at the membrane. There is also described an electrolysis plant having an electrolyzer for generating hydrogen and oxygen as product gases.

PRODUCTION OF HYDROGEN USING METHANOL

Resumen de: WO2025169081A1

PRODUCTION OF HYDROGEN USING METHANOL The present disclosure relates generally to processes for producing hydrogen. In particular, the disclosure relates to a process comprising: providing a first feed stream comprising H2 and CO2; contacting the first feed stream with a hydrogenation catalyst (e.g., in a hydrogenation reaction zone) to hydrogenate at least a portion of the CO2 to form a first product stream comprising methanol; storing at least a portion of the methanol of the first product stream; providing a second feed stream comprising at least a portion of the stored methanol; in a methanol dehydrogenation reaction zone, dehydrogenating at least a portion of the methanol of the second feed stream to form a second product stream comprising H2 and CO2; providing a third feed stream comprising at least a portion of H2 of the second product stream; in a hydrogen reaction zone, reacting hydrogen of the third feed stream with one or more co-reactants to provide a third product stream comprising one or more products including reacted hydrogen atoms from hydrogen of the third feed stream.

SYSTEM AND PROCESS FOR THE COMBINED PRODUCTION OF AMMONIA AND HYDROGEN

Resumen de: WO2025168743A1

The present disclosure provides an improved ammonia-producing plant and process for the simultaneous production of hydrogen and ammonia as end products, by integrating a hydrogen separation unit into an ammonia-producing plant. More in particular, the present disclosure provides an ammonia production plant comprising (a) a reforming section, (b) a purification section, downstream of the reforming section, and (c) an ammonia synthesis section, downstream of the purification section, wherein the plant further comprises (d) a hydrogen separation unit, wherein the hydrogen separation unit has an inlet for a hydrogen-containing gas stream, a first outlet for a pure hydrogen gas, particularly for providing the pure hydrogen to a hydrogen network, and a second outlet for a tail gas, particularly wherein the inlet of the hydrogen separation unit is in fluid communication with a hydrogen-containing gas stream in the purification section and/or in the ammonia synthesis section, and/or with a hydrogen-containing gas stream between the purification section and the ammonia synthesis section of the ammonia production plant, and, particularly, wherein the second outlet is in fluid communication with the reforming section and/or with the purification section of the ammonia production plant.

ELECTROLYSIS SYSTEM COMPRISING AN ELECTROLYSIS PLANT AND A RENEWABLE ENERGY PLANT AND METHOD FOR CONTROLLING AN ELECTROLYSIS SYSTEM

Resumen de: AU2024301470A1

The present invention relates to an electrolysis system (100) comprising a renewable power generation plant (1), an electrolysis plant (3), a transformer station (27) and an AC bus bar (5), wherein the renewable power generation plant (1) is connected to the public electricity grid at a point of connection (POC) via the AC bus bar (5) and comprises a power plant controller (7) and a self-controlled converter (9) that is connected to the AC bus bar (5). The electrolysis plant (3) comprises an electrolysis active power controller (11) and a converter arrangement (13) that is connected to the AC bus bar (5), and wherein the electrolysis active power controller (11) is configured for controlling active power (P) of the electrolysis plant (3) at the AC bus bar (5) and the power plant controller (7) is configured for controlling reactive power (Q) at the point of connection (POC).

DETERMINATION METHOD, QUALITY ASSURANCE METHOD, ELECTROLYSIS DEVICE, AND ELECTROLYSIS METHOD

Resumen de: US2025259714A1

A determination method determines whether or not target molecules including elemental hydrogen are electrolytic hydrogen-containing molecules which include: hydrogen molecules produced by water electrolysis; or molecules produced using the hydrogen molecules as a raw material. In the determination method, the method includes determining that the target molecules are the electrolytic hydrogen-containing molecules when an abundance ratio of deuterium to light hydrogen in the target molecules is less than or equal to a predetermined threshold which is smaller than an abundance ratio of deuterium to light hydrogen in nature.

WATER ELECTROLYSIS SYSTEM

Resumen de: WO2025169719A1

This water electrolysis system comprises: a water electrolysis cell stack; a water separator that is connected to the water electrolysis cell stack and separates water discharged from the water electrolysis cell stack from gas; a water circulation path that is provided with a water circulation pump and circulates the water separated by the water separator; a water supply path that is separate from the water circulation path, is provided with a water supply pump, and supplies the water to the water electrolysis cell stack; an ion exchange resin provided in the water circulation path; and a heat exchanger that is provided on the upstream side of the ion exchange resin in the water circulation path, and that cools the water in the water circulation path on the basis of the temperature of the water supplied from the water supply path to the water electrolysis cell stack.

COMPACT HYDROGEN ALKALINE ELECTROLYSER

Resumen de: WO2025168858A1

The present invention relates to a high-efficiency hydrogen electrolyser consisting of a single casing containing four inner cavities having identical cubic capacity which are intercommunicated at the top to share a common gas outlet and which may also be intercommunicated at mid-height to share filler material. At the bottom of each cavity there is a solid bar longitudinally arranged such that the upper bar serves as a cathode and the lower bar serves as an anode, resulting in the optimisation of the electrolysis system by adding acidified water and providing DC power supply.

METHOD FOR CONSTRUCTING NITROGEN-DOPED BIMETALLIC NANOFIBER MEMBRANE ELECTROCATALYST ON BASIS OF ELECTROSTATIC SPINNING METHOD AND USE OF NITROGEN-DOPED BIMETALLIC NANOFIBER MEMBRANE ELECTROCATALYST

Resumen de: WO2025166879A1

The present invention belongs to the technical field of OER electrocatalysts. Provided are a method for constructing a nitrogen-doped bimetallic nanofiber membrane electrocatalyst on the basis of an electrostatic spinning method and the use of the nitrogen-doped bimetallic nanofiber membrane electrocatalyst. The electrocatalyst is prepared from a mixed high-molecular polymer of a metal salt, N,N-dimethylformamide and polyacrylonitrile by means of the coordinated and confined pyrolysis transformation of a one-dimensional porous carbon nanomaterial. The method comprises: S1, preparing a FeCo-NCNF precursor solution; S2, transferring the resulting FeCo-NCNF precursor solution into a plastic injector with a stainless steel needle to perform electrostatic spinning, so as to obtain a nanofiber membrane; and S3, subjecting the obtained nanofiber membrane to high-temperature carbonization and phosphorization in sequence, so as to obtain a nitrogen-doped bimetallic nanofiber membrane electrocatalyst. In the present invention, the nitrogen-doped bimetallic nanofiber membrane electrocatalyst prepared by using the method has the advantages of a large specific surface area, a porous structure, a high nitrogen content, a great number of active sites, etc., and therefore the catalytic performance of the electrocatalyst is improved.

HYDROGEN-RICH BLAST FURNACE IRONMAKING SYSTEM BASED ONMASS-ENERGY CONVERSION, AND PRODUCTION CONTROL METHOD THEREFOR

Resumen de: US2025257415A1

A hydrogen-rich blast furnace ironmaking system based on mass-energy conversion, comprising a water electrolysis system (2). The water electrolysis system (2) is separately connected to a hydrogen storage tank (3) and an oxygen storage tank (4); a gas outlet of the hydrogen storage tank (3) is connected to a hydrogen compressor (5); an outlet of the hydrogen compressor (5) is connected to a hydrogen buffer tank (6); the hydrogen buffer tank (6) is connected to a hydrogen injection valve group (7); the hydrogen injection valve group (7) is connected to a hydrogen preheating system (8); and the hydrogen preheating system (8) is connected to a tuyere of a blast furnace body (1) or a hydrogen injector at the lower portion of the furnace body.

PURGE GAS CONDITIONING OF NH3 PLANTS

Resumen de: US2025256975A1

Embodiments of the disclosure pertain to the conditioning of the purge gas stream in an NH3 synthesis plant comprising a water electrolysis unit to produce a H2 stream, ammonia synthesis loop, and a treatment section for treating purge gas at 10-70 bar(a) using scrubbing and membrane separation.

Process For the Production of Methanol and Hydrogen from Methane Using a Solid Metal Hydroxide Reagent

Resumen de: US2025257022A1

The present invention relates to a process for producing methanol (MeOH) and hydrogen (H2) from methane, comprising the steps: a) providing a gaseous feed stream comprising methane; b) reacting said gaseous feed stream with at least one halogen reactant (X2), under reaction conditions effective to produce an effluent stream comprising methyl halide (MeX), hydrogen halide (HX); c) separating from the effluent stream obtained in step b): (i) a methyl halide (MeX) stream, optionally comprising unreacted methane; and, (ii) a hydrogen halide (HX) stream; d) reacting the methyl halide (MeX) stream separated in step c) with a solid metal hydroxide (MOH(s)) under reaction conditions effective to produce metal halide (MX) and methanol (MeOH); and, e) decomposing by means of electrolysis said hydrogen halide (HX) stream separated in step c) under conditions effective to produce a gaseous hydrogen (H2) stream and a stream comprising halogen reactant (X2).

Method of Producing H2 And/Or BR2 by Electrolysing HBr Using Fluoropolymer Membranes

Resumen de: US2025257487A1

A method of producing hydrogen and/or bromine by electrolysing hydrogen bromide using a fluoropolymer membrane having a glass transition temperature Tg≥110° C. in an electrolysis of hydrogen bromide, wherein the hydrogen bromide stems from a bromination of a hydrocarbon.

ELECTROLYSIS SYSTEM

Resumen de: EP4600407A2

An electrolysis system (10) includes: an electrolysis cell (20) configured to generate hydrogen by high-temperature steam electrolysis; a steam generation unit (30) that has a refrigerant heat exchange unit configured to perform heat exchange between heat of a heat storage unit and a refrigerant, generates a steam by heating raw material water via the refrigerant subjected to the heat exchange in the refrigerant heat exchange unit, and supplies the steam to the electrolysis cell; a heat storage supply unit (50) that has the heat storage unit and configured to supply heat of the heat storage unit to the refrigerant heat exchange unit; and a control unit (70) configured to control the heat storage supply unit such that an amount of heat input to the refrigerant heat exchange unit is smaller during a system startup or during a high-temperature standby than during a normal operation.

HYDROCARBON GENERATION SYSTEM AND CARBON DIOXIDE CIRCULATION SYSTEM

Resumen de: EP4600236A1

A hydrocarbon generation system (1) includes a hydrocarbon generator (2, 21, 22), an electrolyzer (3), a water vapor supply line (4), and a heat exchanger (51). The hydrocarbon generator generates hydrocarbon through an exothermic reaction between a carbon oxide gas and hydrogen. The electrolyzer generates hydrogen from water vapor of raw materials, the generated hydrogen being supplied to the hydrocarbon generator. The water vapor supply line generates the water vapor of the raw materials by evaporating liquid water of the raw materials and supplies the generated water vapor to the electrolyzer. The heat exchanger uses heat of a reaction generated in the hydrocarbon generator to evaporate the liquid water of the raw materials in the water vapor supply line via heat transfer oil.

SYSTEM AND PROCESS FOR THE COMBINED PRODUCTION OF AMMONIA AND HYDROGEN

Resumen de: EP4600203A1

The present disclosure provides an improved ammonia-producing plant and process for the simultaneous production of hydrogen and ammonia as end products, by integrating a hydrogen separation unit into an ammonia-producing plant. More in particular, the present disclosure provides an ammonia production plant comprising (a) a reforming section, (b) a purification section, downstream of the reforming section, and (c) an ammonia synthesis section, downstream of the purification section, wherein the plant further comprises (d) a hydrogen separation unit, wherein the hydrogen separation unit has an inlet for a hydrogen-containing gas stream, a first outlet for a pure hydrogen gas and a second outlet for a tail gas, particularly wherein the inlet of the hydrogen separation unit is in fluid communication with a hydrogen-containing gas stream in the purification section and/or in the ammonia synthesis section, and/or with a hydrogen-containing gas stream between the purification section and the ammonia synthesis section of the ammonia production plant, and, particularly, wherein the second outlet is in fluid communication with the reforming section and/or with the purification section of the ammonia production plant.

AMMONIA CRACKER

Resumen de: WO2024074817A1

An ammonia cracker module for converting ammonia into hydrogen is provided. The ammonia cracker module includes: (i) a heat exchange reactor including: (a) a first reaction zone including: a first working fluid flowpath; a first reactant flowpath; and one or more heat exchange interfaces positioned between the first working fluid flowpath and first reactant flowpath; (b) a second reaction zone including: a second working fluid flowpath; a second reactant flowpath; and one or more heat exchange interfaces positioned between the second working fluid flowpath and second reactant flowpath; (c) a catalyst positioned to contact reactant fluid flowing through the first and second reactant flowpaths to convert ammonia flowing through the first and second reactant flowpaths into hydrogen; and (ii) a heating system including: a first heat source, configured to heat working fluid to create a first heated working fluid to enter the first working fluid flowpath; and a second heat source, configured to receive a first thermally depleted working fluid from the first working fluid flowpath and output a second heated working fluid to the second working fluid flowpath when the cracker module is in use. A method of producing hydrogen using an ammonia cracker is also provided.

POSITIVE ELECTRODE FOR ELECTROLYSIS AND METHOD FOR PRODUCING SAME

Resumen de: EP4600408A1

An anode for electrolysis in which electrolysis performance is less likely to deteriorate even when electric power having a large output fluctuation, such as renewable energy, is used as a power source and in which excellent catalytic activity is stably maintained for a long period of time is provided. The anode for electrolysis 10 includes a conductive substrate 2 in which at least a surface of the conductive substrate 2 is formed of nickel or a nickel-based alloy; and a first layer 4 formed on the surface of the conductive substrate 2, the first layer 4 being capable of functioning as a catalyst layer containing a lithium-containing nickel cobalt oxide represented by a composition formula LixNiyCo2O4 (0.05 ≤ × ≤ 1.0, 1.0 ≤ y ≤ 2.0, 1.0 ≤ z ≤ 2.0, and x + y + z = 2 to 3).

SULFUR DIOXIDE DEPOLARIZED ELECTROLYSIS AND ELECTROLYZER THEREFORE

Resumen de: WO2024076575A1

A method can include: processing precursors, electrochemically oxidizing sulfur dioxide, processing sulfuric acid and hydrogen, and/or any suitable steps. An electrolyzer can include an anode, a cathode, and a separator. The anode can include an anolyte, an electrode, an anolyte reaction region, and/or any suitable components. The cathode can include a catholyte, an electrode, a catholyte reaction region, and/or any suitable components.

ELECTROCHEMICAL HYDROGEN PRODUCTION VIA AMMONIA CRACKING

Resumen de: WO2024129246A1

Herein discussed is a method of producing hydrogen comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, wherein the membrane conducts both electrons and protons, wherein the anode and cathode are porous; (b) introducing a first stream to the anode, wherein the first stream comprises ammonia or a cracked ammonia product; and (c) extracting a second stream from the cathode, wherein the second stream comprises hydrogen, wherein the first stream and the second stream are separated by the membrane.

ELECTROCHEMICAL CO-PRODUCTION OF HYDROGEN AND CARBON MONOXIDE

Resumen de: WO2024112460A1

Herein discussed is a method of co-producing carbon monoxide and hydrogen comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a mixed-conducting membrane between the anode and the cathode; (b) introducing a first stream to the anode, wherein the first stream comprises a fuel; (c) introducing a second stream to the cathode, wherein the second stream comprises carbon dioxide and water, wherein carbon monoxide is generated from carbon dioxide electrochemically and hydrogen is generated from water electrochemically. In an embodiment, the anode and the cathode are separated by the membrane and are both exposed to reducing environments during the entire time of operation.

密封垫装置以及密封垫

Resumen de: WO2024142618A1

A gasket device (1) comprises a gasket (2) and a spacer (3). The spacer (3) supports separators (101, 102) which are members facing each other and an electrolyte membrane (104) between the separators (101, 102) and the electrolyte membrane (104) such that the separators (101, 102) and the electrolyte membrane (104) face each other via spaces (100a, 100b). The gasket (2) surrounds the space (100a) or the space (100b) between the separator (101) or the separator (102) and the electrolyte membrane (104). Moreover, the spacer (3) surrounds the gasket (2) from the outer side between the separators (101, 102) and the electrolyte membrane (104). The gasket (2) and the spacer (3) are in contact with each other in the expanding direction of the spaces (100a, 100b).

シート状チタン多孔質体およびその製造方法

Resumen de: JP2025116859A

【課題】シート状チタン多孔質を高効率で、かつ歩留まり良く製造可能な方法を提供すること。【解決手段】この製造方法は、少なくとも一つの貫通孔を有する少なくとも一つのステージ、少なくとも一つのステージを囲み、少なくとも一つのステージから離隔するフレーム、および少なくとも一つのステージとフレームを互いに連結する少なくとも一つの連結部を備える治具上に、少なくとも一つの貫通孔および少なくとも一つのステージとフレーム間の隙間を覆うように、チタン多孔質体を含むマザーシートを配置すること、マザーシートを治具上に吸着すること、ならびに隙間に沿って、ファイバレーザから射出されるレーザ光をマザーシート上で走査することによってマザーシートを切断することを含む。【選択図】図６Ｂ

USE OF OXYHYDROGEN MICROORGANISMS FOR NONPHOTOSYNTHETIC CARBON CAPTURE AND CONVERSION OF INORGANIC AND/OR Cl CARBON SOURCES INTO USEFUL ORGANIC COMPOUNDS

Resumen de: US2025250594A1

Compositions and methods for a hybrid biological and chemical process that captures and converts carbon dioxide and/or other forms of inorganic carbon and/or CI carbon sources including but not limited to carbon monoxide, methane, methanol, formate, or formic acid, and/or mixtures containing CI chemicals including but not limited to various syngas compositions, into organic chemicals including biofuels or other valuable biomass, chemical, industrial, or pharmaceutical products are provided. The present invention, in certain embodiments, fixes inorganic carbon or CI carbon sources into longer carbon chain organic chemicals by utilizing microorganisms capable of performing the oxyhydrogen reaction and the autotrophic fixation of CO2 in one or more steps of the process.

PHOTOCATALYTIC UNIT FOR THE PRODUCTION OF HYDROGEN FROM WATER, AND SOLAR PLANT COMPRISING SAID PHOTOCATALYTIC UNIT

Resumen de: US2025250164A1

The invention relates to a photocatalytic unit for the production of hydrogen from water, comprising: (i) a photoreactor comprising a plurality of tubes, wherein said tubes internally comprise a photocatalyst, and are adapted for internally conducting a stream of water vapor; and absorbing external solar radiation focused on said tubes; and (ii) a plurality of solar reflectors adapted for concentrating incident solar radiation on the tubes of the photoreactor. Advantageously, the tubes of the photoreactor are arranged in a plane substantially perpendicular to the ground, and the solar reflectors w are arranged at both sides of said plane. The invention also relates to a solar plant for generating hydrogen comprising, at least, one photocatalytic unit according to any of the embodiments herein described, and a water vapor stream source connected to the photocatalytic unit.

REDUCING COMPOSITIONS AND PROCESSES FOR PRODUCING THE SAME

Resumen de: US2025250187A1

The present disclosure describes a process for producing a reducing liquid comprising providing a liquid; providing a reducing gas and/or a metasilicate; and infusing the reducing gas and/or the metasilicate to the liquid, for the reducing gas and/or metasilicate to react with the liquid to produce a reducing liquid that has an oxidation reduction potential (ORP) value of about −100 mV or more negative. Further described is the process for preparing a reducing gas, which includes the steps of preparing an activator, introducing the activator into an electrolytic reactor, adding water, and applying a direct current to produce the reducing gas. Also described is a system for producing a reducing liquid.

Electrochemical Cell Assembly with Insert

Resumen de: US2025253377A1

The invention relates to an electrochemical cell assembly including a first end plate assembly, a stack of cell repeat units, and a second end plate assembly. The stack is held in a compressed state between the first end plate assembly and the second end plate assembly. The first end plate assembly and/or the second end plate assembly each include an end plate. The electrochemical cell assembly includes an insulation plate located between the end plate and the stack. At least one through-hole is provided in the insulation plate and a sealing insert is provided in the at least one through-hole of the insulation plate, the sealing insert defining a fluid pathway along the stacking direction. The invention also relates to an end plate assembly and a method of manufacturing an electrochemical cell assembly.

REACTOR WITH ADVANCED ARCHITECTURE FOR THE ELECTROCHEMICAL REACTION OF CO2, CO AND OTHER CHEMICAL COMPOUNDS

Resumen de: US2025250695A1

A platform technology that uses a novel membrane electrode assembly, including a cathode layer, an anode layer, a membrane layer arranged between the cathode layer and the anode layer, the membrane conductively connecting the cathode layer and the anode layer, in a COx reduction reactor has been developed. The reactor can be used to synthesize a broad range of carbon-based compounds from carbon dioxide and other gases containing carbon.

MODULAR-STACKABLE-LONG DURATION STORAGE THROUGH HYDROGEN PRODUCTION

Resumen de: US2025250696A1

Hydrogen is produced using high temperature heat from a progressive heat collection system that utilizes sun and air for collection and transfer of heat. Thermal energy from the sun superheats the water into steam and also powers a Stirling engine based electrical generator for operating a high temperature steam electrolyzer.

ELECTROLYSIS SYSTEM

Resumen de: US2025250688A1

An electrolysis system includes: an electrolysis cell configured to generate hydrogen by high-temperature steam electrolysis; a steam generation unit that has a refrigerant heat exchange unit configured to perform heat exchange between heat of a heat storage unit and a refrigerant, generates a steam by heating raw material water via the refrigerant subjected to the heat exchange in the refrigerant heat exchange unit, and supplies the steam to the electrolysis cell; a heat storage supply unit that has the heat storage unit and configured to supply heat of the heat storage unit to the refrigerant heat exchange unit; and a control unit configured to control the heat storage supply unit such that an amount of heat input to the refrigerant heat exchange unit is smaller during a system startup or during a high-temperature standby than during a normal operation.

WATER ELECTROLYSIS DEVICE

Resumen de: US2025250686A1

A water electrolysis device includes a water electrolysis module that generates hydrogen by water vapor electrolysis. The water electrolysis device includes: a blower configured to supply hydrogen to the water electrolysis module; a recycle passage configured to supply generated hydrogen generated by the water electrolysis module from the water electrolysis module to an intake port of the blower; a condenser configured to condense water vapor contained in the generated hydrogen; and a temperature increasing portion configured to increase a temperature of the generated hydrogen between the condenser and the blower.

HYDROGEN PRODUCTION SYSTEM AND METHOD FOR OPERATING HYDROGEN PRODUCTION SYSTEM

Resumen de: AU2024239221A1

This hydrogen production system is provided with: a solid oxide electrolytic cell (SOEC) that electrolyzes water vapor; a power supply device that applies a voltage equal to or greater than a thermal neutral voltage to the SOEC; and a water vapor generation device that generates at least a portion of water vapor to be supplied to the SOEC by heating water using surplus heat generation of the SOEC.

SYSTEM AND METHOD FOR CO-PRODUCING GREEN SODIUM CARBONATE AND AMMONIUM CHLORIDE BY USING RENEWABLE ENERGY SOURCES

Resumen de: WO2025161658A1

A system and method for co-producing green sodium carbonate and ammonium chloride by using renewable energy sources. The system comprises a renewable energy source power generation subsystem, a water electrolysis subsystem, an air separation subsystem, an ammonia synthesis subsystem, a tail-gas pretreatment subsystem, a waste-salt pretreatment subsystem and a sodium carbonate synthesis subsystem. By utilizing renewable wind and solar energy to generate electricity for electrolytic hydrogen production and air separation, the impact of renewable energy power generation on a power grid and the difficulty in balancing the fluctuating power supply of the power grid are solved, on-site consumption of green power is achieved, the green power is converted on site into green products with economic value added, and stable operation of a green electricity-green hydrogen-green chemical production line is achieved; and industrial waste salts and the industrial emissions of carbon dioxide tail gas are used as green raw materials for sodium carbonate, and are integrated with carbon tail gas and industrial waste salts discharged by industrial enterprises in the vicinity, and resource utilization of waste is conducted, thereby reducing carbon emissions and also realizing a green circular economy.

ELECTRODE PLATE FRAME AND ELECTROLYTIC BATH

Resumen de: WO2025162027A1

Disclosed in the present application are an electrode plate frame and an electrolytic bath, which relate to the technical field of electrolytic hydrogen production and are used for solving the problem of leakage at the joint of an electrode plate frame and an external pipeline. The electrode plate frame comprises an annular frame body, one or more fluid inlets/outlets being formed in the outer circumferential surface of the annular frame body, and mounting holes being formed in the positions on the outer circumferential surface of the annular frame body around each fluid inlet/outlet, such that each fluid inlet/outlet and the corresponding mounting holes form a flange structure to be connected to an external pipeline. Compared with the existing practice of welding a pipeline at fluid inlet/outlets, the fluid inlets/outlets in the annular frame body of the present application do not need welding and have no welding spot, thereby preventing generation of stress corrosion, further preventing the phenomenon of galvanic corrosion caused by a welding material being different from materials of a pipeline and an electrode plate frame during welding, and reducing the risk of leakage at the joint of the electrode plate frame and the external pipeline.

OXYGEN EVOLUTION REACTION CATALYST, PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: WO2025162048A1

The present application belongs to the technical field of hydrogen production by water electrolysis, and particularly relates to an oxygen evolution reaction catalyst, a preparation method therefor, and the use thereof. The present application uses the hydrolysis effect of metal positive ions in a hydrolysable metal salt solution to make a weakly-acidic heterogeneous soaking system, which slowly acts on the surface of a metal substrate, thereby partially etching the surface of the metal substrate while removing metal oxides on the surface; on the surface of the substrate, metal ions generated by the etching bind to metal ions generated by hydrolysis, so as to form an LDH catalyst structure, ensuring a relatively high catalytic activity thereof. Moreover, under an interface-confined effect, a compact transition layer structure is slowly formed at the interface between the metal substrate and the catalyst layer; as a bridge of the metal substrate and the catalyst layer, said transition layer has the same structure as that of the LDH, but exhibits a more compact appearance and totally covers the surface of the metal substrate, so as to firmly anchor the LDH catalytic structure layer onto the surface of the metal substrate, thereby allowing the OER catalyst to have high activity and high stability under the condition of an industrial-level current density.

A MULTIPURPOSE INTEGRATED PASSIVE SYSTEM FOR CONVERTING GREEN ENERGY

Resumen de: WO2025163609A1

The present invention provides a multipurpose integrated passive system (20) for converting green energy comprising a renewable energy conversion module (1) to generate electricity, a water and gas management module (3) to supply water to the water electrolyser (4), a water electrolyser (4) connected with one or more potassium hydroxide (KOH) tank (4a, 4b), is configured to split water into hydrogen gas and oxygen gas and said gases are separately directed into the storage assembly (5). The storage assembly (5) include a plurality of gas storage tanks (5a, 5b) for separately storing the gases and a plurality of valves for controlling the flow of said gases, a burner assembly (6) include a hydrogen burner (7), wherein the hydrogen gas from the gas storage tank (5a) is delivered to the hydrogen burner (7), and a controller (2) configured to ensures to safety and efficiency of the multipurpose integrated passive system (20).

HYDROGEN PRODUCTION SYSTEM AND METHOD FOR CONTROLLING HYDROGEN PRODUCTION SYSTEM

Resumen de: WO2025164073A1

Provided is a hydrogen production system (100) which comprises: an electrolysis module (19) that supplies steam to a hydrogen electrode and produces hydrogen through steam electrolysis; a steam supply unit (20) that supplies steam to a hydrogen electrode (11); an air supply unit (70) that supplies air to an oxygen electrode (12); a hydrogen supply pipe (43) that supplies hydrogen to the oxygen electrode (12); a power supply unit (18) that supplies power to the electrolysis module (19); and a control device (80) that controls the hydrogen production system (100). The control device (80) controls the power supply unit (18) so as to start supplying power to the electrolysis module (19) in response to the temperature of the electrolysis module (19) exceeding Temp4 that is lower than the ignition temperature of hydrogen.

HYDROGEN PRODUCTION SYSTEM, AND CONTROL SYSTEM AND METHOD THEREOF

Resumen de: WO2025162564A1

A control system for a hydrogen production system is proposed. The hydrogen production system includes a plurality of electrolyzers and a plurality of converter modules each of which is coupled to one or more of the plurality of electrolyzers. The control system includes: a plurality of local controllers each of which is coupled with one or more of the plurality of converter modules and one more of the plurality of the electrolyzers; and a system controller in communication with the plurality of local controllers. The system controller is configured to receive an external dispatch value and electrolyzer state information regarding states of the plurality of electrolyzers, and to determine internal dispatch values for one or more electrolyzer from the plurality of electrolyzers based on the external dispatch value and the electrolyzer state information. A least one local controller from the plurality of local controllers associated with the one or more electrolyzers is configured to receive the internal dispatch values from the system controller, and to control operations of the one or more electrolyzers according to the internal dispatch values.

HIGH-EFFICIENCY HYDROGEN PRODUCTION SYSTEM BY DIRECT AIR CAPTURE METHOD USING RENEWABLE ENERGY

Resumen de: WO2025165039A1

The present invention relates to a high-efficiency hydrogen production system by a direct air capture method using renewable energy. According to an embodiment of the present invention, the high-efficiency hydrogen production system comprises: a direct air capture device in which a chemical reaction occurs when an alkaline liquid mixture containing a specific component, such as potassium hydroxide or sodium hydroxide, is brought into contact with air, to capture carbon dioxide from the air; an electrolysis tank into which pure water and the sodium carbonate or potassium carbonate solution generated in the process of the chemical reaction for capturing carbon dioxide in the direct air capture device are introduced and then electrolyzed by using renewable energy including solar or wind power generation energy, to generate a gas containing hydrogen and a liquid containing potassium hydroxide or sodium hydroxide and separate and extract the generated gas and liquid; a gas storage tank in which the gas separated and extracted from the electrolysis tank is stored; and a liquid storage tank in which the remaining liquid after the gas is separated and extracted from the electrolysis tank is stored and potassium hydroxide or sodium hydroxide contained in the liquid is reintroduced into the direct air capture device.

CO2 MITIGATION SYSTEM AND METHOD OF USE

Resumen de: WO2025165427A1

Herein discussed is a method of carbon capture comprising providing a reactor having an anode, a cathode, and an electrolyte between and in contact with the anode and the cathode, wherein the electrolyte conducts oxide ions and electrons; introducing a carbonaceous gas to the anode; introducing steam and hydrogen (H2) or carbon dioxide (CO2) and carbon monoxide (CO) to the cathode, wherein steam or CO2 is the dominant component; producing carbon dioxide (CO2) at the anode, wherein the CO2 partial pressure is greater than 18 kPa in the anode exhaust; and producing H2 or CO or both at the cathode. In an embodiment, the anode exhaust has a pressure of from 1 atm to 5 atm. In an embodiment, the CO2 content in the anode exhaust is from 20vol% to 100vol%.

SODIUM FORMATE HYDROGEN EXTRACTION SYSTEM OPERATION AND PRODUCTION OF HYDROGEN AND METHANOL

Resumen de: WO2025165433A2

An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H2) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H2), and a fuel cell configured to receive the Hydrogen (H2).

アルカリ水電解用電解触媒の製造方法

Resumen de: CN119604469A

The present invention relates to a method for manufacturing an electrocatalyst for alkaline water electrolysis, said method comprising the steps of: (i) generating an aqueous electrolyte comprising suspended graphene and graphite nanoplatelets having lt in an electrochemical cell; the present invention relates to an electrolytic cell having a thickness of 100 nm, where the electrolytic cell comprises: a graphite negative electrode, (b) a graphite positive electrode, (c) an aqueous electrolyte comprising ions in a solvent, the ions comprising cations and anions, where the anions comprise sulfate anions; and wherein the method comprises the step of passing an electric current through the electrolysis cell to obtain exfoliated graphene and graphite nanosheet structures in the aqueous electrolyte in an amount greater than 5 g/l; (ii) forming an electroplating bath (2) comprising suspended graphene and graphite nanoplatelets in an amount greater than 2 g/l, said acidic electroplating bath comprising an aqueous solution of nickel sulfate and an electroplating solution comprising suspended graphene and graphite nanoplatelets in an amount greater than 5 g/l (thickness lt; 100 nm) of an aqueous electrolyte of step (i); and (iii) electrodepositing a combined layer of Ni or Ni alloy with graphene and graphite particles from the electroplating bath on a support to form an electrocatalyst.

A METHOD FOR CONTROLLING A GREEN HYDROGEN PRODUCTION SYSTEM

Resumen de: WO2025163136A1

A method for controlling a green hydrogen production system (100; 100'), comprising geographically distributed power generating nodes (10, 300; 300') each having at least one node center (320; 320.1, 320.2, 320.3, 320.4) and at least one electrolyzer (13) for generating green hydrogen within the system from the produced electrical energy, wherein each the power generating node (10, 300; 300') comprises multiple PV units (12; 312) and multiple wind turbine generators (WTG) (11; 301...316) as power generating units and wherein the multiple wind turbine generators units (WTG) (11; 301...316) are located in geographically dispersed sites surrounding the node center(s) (320; 320.1, 320.2, 320.3, 320.4), wherein the installed capacity (IC) of the electrolyzer (13) and all other energy consuming devices in the system is smaller than the sum of maximum capacities (MG) of all PV units (12; 312) and wind turbine generators (11; 301...316) available for operation together, wherein the method comprises at least the following steps: a) an energy demand value (EDV) of electrical power required for constantly operating the electrolyzer and other consumers is defined wherein EDV < IC; b) weather conditions in proximity of the power generating units and in windward direction of the PV units (312) are constantly monitored; c) based on weather conditions acquired from monitoring, an expected energy yield value (EEY) is calculated separately for each type of power generating unit and/or for each

PROCESS FOR THE PREPARATION OF SYNGAS FROM CARBONACEOUS WASTE MATERIAL

Resumen de: WO2025163482A1

Process for the production of syngas from carbonaceous waste material and CO2 comprising the following stages: a stage a) comprising the reaction R1 in which the carbonaceous material is reacted with carbon dioxide to obtain carbon monoxide according to the following reaction scheme: R1 CO2 + C = 2 CO; a stage b) of producing H2 and adding it to the carbon monoxide obtained in stage a) to obtain syngas, wherein stage b) comprises at least one of the following stages: bl) the carbon monoxide from the previous stage is reacted with water vapour to obtain carbon dioxide and hydrogen according to the following reaction scheme: R2 CO + H2O = CO2 + H2 b2) producing hydrogen by means of electrolysis of water, which is added to the carbon monoxide from stage a). The invention also relates to the unit in which stages a) and bl) are conducted as well as the related apparatus comprising the aforementioned unit.

ELECTROLYSIS PLANT WITH MUTUALIZATION AND MODULARIZATION FOR HYDROGEN PRODUCTION

Resumen de: WO2025163393A1

A hydrogen production facility is disclosed, comprising: a plurality of electrolysis systems to electrolyze water using lye; and a mutualized lye circulation system coupled with the plurality of electrolysis systems to circulate the lye among the plurality of electrolysis systems to facilitate electrolyzing the water, the lye circulation system comprising one or more pumps, wherein a number of the one or more pumps is less than a number of electrolysis systems of the plurality of electrolysis systems. A hydrogen production facility comprising first and second modular structures is also disclosed.

HYDROGEN PRODUCTION FACILITY AND METHOD

Resumen de: WO2025163034A1

A hydrogen production facility is disclosed, comprising a plurality of electrolyser stacks arranged for electrolyzing water using an electrolyte and for generating at least a hydrogen-aqueous solution mixture; and a hydrogen separator arrangement for producing a flow of hydrogen from the hydrogen-aqueous solution mixture; wherein the hydrogen separator arrangement comprises a plurality of first stage hydrogen collector separators, the first stage hydrogen collector separators being fluidly coupled to a respective sub-set of the plurality of electrolyser stacks; and wherein the plurality of first stage hydrogen collector separators are fluidly coupled to a downstream hydrogen buffer vessel. A related method is further disclosed.

HYDROGEN PRODUCTION FACILITY AND METHOD

Resumen de: WO2025163031A1

Aspects of the present disclosure relate to a hydrogen production facility. The hydrogen production facility includes one or more electrolyser stacks to electrolyze water using an electrolyte and generate a hydrogen-aqueous solution mixture and an oxygen-aqueous solution mixture, the one or more electrolyser stacks comprising a plurality of membranes. The facility also includes a hydrogen separator to produce a flow of hydrogen from the hydrogen-aqueous solution mixture and an oxygen separator to produce a flow of oxygen from the oxygen-aqueous solution mixture. The hydrogen separator comprises a hydrogen gas-liquid separation device and a hydrogen coalescing device. The oxygen separator comprises an oxygen gas-liquid separation device and an oxygen coalescing device.

INTEGRATION OF SOLID OXIDE ELECTROLYSIS CELLS (SOEC) AND OXYGEN PURIFICATOR TO ENHANCE HIGH TEMPERATURE PROCESSES

Resumen de: WO2025162555A1

The present disclosure relates to a method for producing a purified oxygen-containing stream, the method comprising: heating a Solid Oxide Electrolyzer Cells (SOEC) unit to a SOEC operating temperature; providing a water source or a steam source at a water source or steam source temperature; heating the water source or the steam source to produce a steam stream at a steam stream temperature; providing a sweep gas at a sweep gas temperature; feeding the steam stream and the sweep gas to the SOEC unit to produce an oxygen-containing stream and a hydrogen-containing stream; cooling the oxygen-containing stream to a temperature in the range of about 20°C to about 100°C, preferably about 40°C to about 60°C, more preferably about 44°C to about 55°C, and even more preferably about 50°C; and, after the cooling step, purifying the oxygen-containing stream to produce the purified oxygen-containing stream The present disclosure also relates a system for producing a purified oxygen-containing stream.

COMPOSITE, HYDROGEN GENERATION CATALYST, CATALYTIC INK, ELECTRODE, AND METHOD FOR PRODUCING COMPOSITE

Resumen de: WO2025164180A1

This composite comprises a molybdenum compound and a noble metal. The molybdenum compound is at least one compound selected from the group consisting of molybdenum sulfide and molybdenum carbides, and the noble metal is at least one metal selected from the group consisting of platinum and palladium.

ELECTROLYSIS SYSTEM WITH AN OXYGEN PRE-SEPARATION FUNCTION

Resumen de: WO2025162963A1

The invention relates to a system consisting of a plurality of electrolysis devices (10), which are accommodated in a frame or shelf (19), for generating hydrogen from water using an electric current. Each electrolysis device (10) has at least the following: a cell stack (11) consisting of a plurality of cell stack elements (12) in the form of electrolysis cells; end plates (14, 15) lying opposite each other, wherein the cell stack (11) consisting of the cell stack elements (12) is provided and compressed between the end plates (14, 15); at least one water supply connection (16) which is formed on the end plates (14, 15) and via which water can be supplied to the respective electrolysis device (10); and at least one water discharge connection (17) which is formed on the end plates (14, 15) and via which water and oxygen can be discharged from the respective electrolysis device (10). At least one pre-separator (20) for oxygen is installed on the frame or shelf (19) and/or in the frame or shelf (19) and/or in the immediate vicinity of the frame or shelf (19) in order to separate oxygen from the water discharged from the electrolysis devices (10).

ELECTROLYSIS DEVICE, SYSTEM CONSISTING OF A PLURALITY OF ELECTROLYSIS DEVICES, AND METHOD FOR OPERATING THE ELECTROLYSIS DEVICE OR THE SYSTEM

Resumen de: WO2025163032A1

The invention relates to an electrolysis device (10) for generating hydrogen from water using an electric current, having a cell stack (11) comprising a plurality of cell stack elements (12) in the form of electrolysis cells; a first pressure sensor (28) for detecting a first hydrogen-side pressure; a second pressure sensor (29) for detecting a second hydrogen-side pressure; and a control device (30) which checks whether the electrolysis device (10) has a leak on the basis of the first pressure measured by the first pressure sensor (28), the second pressure measured by the second pressure sensor (29), and the electric current applied to the electrolysis device (10) for the electrolysis process.

HYDROGEN PRODUCTION FACILITY AND METHOD

Resumen de: EP4596757A1

A hydrogen production facility is disclosed, comprising a plurality of electrolyser stacks arranged for electrolyzing water using an electrolyte and for generating at least a hydrogen-aqueous solution mixture; and a hydrogen separator arrangement for producing a flow of hydrogen from the hydrogen-aqueous solution mixture; wherein the hydrogen separator arrangement comprises a plurality of first stage hydrogen collector separators, the first stage hydrogen collector separators being fluidly coupled to a respective sub-set of the plurality of electrolyser stacks; and wherein the plurality of first stage hydrogen collector separators are fluidly coupled to a downstream hydrogen buffer vessel. A related method is further disclosed.

LIQUID FUEL PRODUCTION SYSTEM AND METHOD FOR PRODUCING LIQUID FUEL

Resumen de: EP4596659A1

The present invention aims to provide a liquid fuel production system and a method for producing liquid fuel capable of reducing the amount of hydrogen gas used.The liquid fuel production system 1 includes: an electrolytic reduction device 2 for obtaining a mixed gas and an oxygen gas by an electrolytic reduction of carbon dioxide and water; a carbon dioxide separation device 3 for separating the carbon dioxide from the mixed gas; a water separation device 4 for separating water from the mixed gas; a cryogenic separation device 5 for separating the mixed gas into ethylene, hydrogen, and a residual off-gas; a first reaction device 6 for obtaining a first mixture by oligomerization of ethylene obtained in the cryogenic separation device; a first separation device 7 for separating light hydrocarbons from the first mixture; a second reaction device 8 for obtaining a second mixture containing liquid fuel by hydrocracking and hydroisomerizing the first mixture; and a second separation device 9 for separating the second mixture into at least liquid fuel, cracked gas, and heavy hydrocarbons.

ELECTROCHEMICAL CELL SYSTEM WITH THERMAL ENERGY STORAGE AND RELATIVE METHOD

Resumen de: MX2025004437A

Electrochemical cell system (100) which comprises an electrochemical cells arrangement (10), a control unit (20) configured to operate the electrochemical cells arrangement (10) only as electrolytic cells or only as fuel cells, a heat unit (40), external to the electrochemical cells arrangement (10), which is thermally coupled to the electrochemical cells arrangement (10) and which is configured to alternately store heat from the electrochemical cells arrangement (10) to the heat unit (40) and supply heat from the heat unit (40) to the electrochemical cells arrangement (10), and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cells arrangement (10) to the heat unit (40) and from the heat unit (40) to the electrochemical cells arrangement (10).

MEMBRANE FOR ALKALINE WATER ELECTROLYSIS

Resumen de: CN119948208A

Disclosed are a membrane suitable for alkaline water electrolysis and an alkaline water electrolysis device comprising the same. A method for producing hydrogen and a method for producing a membrane for alkaline water electrolysis are also disclosed.

ON-SITE ELECTRICITY GENERATION WHICH IS NOT CONNECTED TO AN ELECTRICAL GRID FROM METHANE OR METHANOL AND HAS CARBON DIOXIDE CIRCULARITY

Resumen de: CN119866558A

The invention relates to a power plant (1) comprising two units (A) and (B), a first unit (A) and a second unit (B), located in two separate industrial sites, having:-the first unit (A) comprising a synthesis device (8) capable of producing methane or methanol (15) from hydrogen (2) and carbon dioxide (4) originating from the second unit (B), and-a second unit (B) comprising fuel cell means (5) that can be supplied with electric current (1) by methane or methanol (15) originating from the first unit (A) and an anode gas stream (6) comprising carbon dioxide, said fuel cell means being combined with collecting means (7) for collecting carbon dioxide (17) in the anode stream (6) intended for the first unit (A).

WATER ELECTROLYSIS DEVICE

Resumen de: EP4596758A1

A water electrolysis device (1) includes a water electrolysis module (2) that generates hydrogen by water vapor electrolysis. The water electrolysis device includes: a blower (7, 8) configured to supply hydrogen to the water electrolysis module; a recycle passage configured to supply generated hydrogen generated by the water electrolysis module from the water electrolysis module to an intake port of the blower; a condenser (6) configured to condense water vapor contained in the generated hydrogen; and a temperature increasing portion (18) configured to increase a temperature of the generated hydrogen between the condenser and the blower.

HYDROGEN PRODUCTION FACILITY AND METHOD

Resumen de: EP4596756A1

Aspects of the present disclosure relate to a hydrogen production facility. The hydrogen production facility includes one or more electrolyser stacks to electrolyze water using an electrolyte and generate a hydrogen-aqueous solution mixture and an oxygen-aqueous solution mixture, the one or more electrolyser stacks comprising a plurality of membranes. The facility also includes a hydrogen separator to produce a flow of hydrogen from the hydrogen-aqueous solution mixture and an oxygen separator to produce a flow of oxygen from the oxygen-aqueous solution mixture. The hydrogen separator comprises a hydrogen gas-liquid separation device and a hydrogen coalescing device. The oxygen separator comprises an oxygen gas-liquid separation device and an oxygen coalescing device.

ELECTROLYSIS PLANT WITH MUTUALIZATION AND MODULARIZATION FOR HYDROGEN PRODUCTION

Resumen de: EP4596755A1

A hydrogen production facility is disclosed, comprising: a plurality of electrolysis systems to electrolyze water using lye; and a mutualized lye circulation system coupled with the plurality of electrolysis systems to circulate the lye among the plurality of electrolysis systems to facilitate electrolyzing the water, the lye circulation system comprising one or more pumps, wherein a number of the one or more pumps is less than a number of electrolysis systems of the plurality of electrolysis systems. A hydrogen production facility comprising first and second modular structures is also disclosed.

METHOD FOR PRODUCING TANTALUM NITRIDE MATERIAL, AND TANTALUM NITRIDE MATERIAL

Resumen de: EP4596493A1

Provided is a method for producing a tantalum nitride material including a nitriding step of heating a precursor containing a lithium tantalum composite oxide in the presence of a nitrogen compound.

MULTIPLE FURNACE CARBON CAPTURE THROUGH FUEL GAS SEPARATION AND HYDROGEN COMBUSTION PRODUCT ELECTROLYSIS

Resumen de: WO2024073537A2

A hydrogen-rich hydrocarbon fuel gas can be separated into a methane fuel stream and a hydrogen product stream. The methane fuel stream can be fed to a methane fuel fired furnace, combustion of the methane fuel stream can produce a carbon-dioxide-rich flue gas, and a carbon capture process can be performed on the carbon-dioxide-rich flue gas. The hydrogen product stream can be fed to a hydrogen fired furnace or elsewhere. Combustion of the hydrogen product stream in a hydrogen fired furnace can generate a flue gas the is low in carbon dioxide. Electrolysis of water obtained from the hydrogen fired furnace flue gas can produce hydrogen for a desired use, such as fuel for the hydrogen fired furnace, and can produce oxygen for enriching the fuel gas fed to the methane fuel fired furnace.

膜

Resumen de: CN119317736A

An electrolyte membrane including a composite catalyst layer is provided. The membrane has a thickness of less than or equal to 100 mu m and is a single adhesive polymer membrane comprising a plurality of ion conducting polymer layers. The composite catalyst layer comprises particles of an unsupported composite catalyst dispersed in an ion conducting polymer, and the layer has a thickness in the range of from 5 mu m to 30 mu m and including 5 mu m and 30 mu m. Also provided are a catalyst coated film (CCM) incorporating the electrolyte membrane, and a method of manufacturing the electrolyte membrane.

用于形成电解槽的电池、包含这样的电池的电解槽、用于制造和操作电解槽的方法

Resumen de: MX2025005140A

Cell for forming an electrolyser comprising at least one diaphragm or membrane having a first side and a second side opposite the first side, a first cell plate, arranged on the first side of the diaphragm, provided with a first electrode, provided with an inlet channel for supplying or draining electrolyte to or from the electrode, provided with a first discharge channel for discharging oxygen from the electrode, at least one second cell plate, arranged on the second side of the diaphragm, provided with a second electrode and provided with a second discharge channel for discharging hydrogen from the electrode wherein the at least one first and second cell plate are made of a polymer material.

水素製造用シリコン微細粒子

Resumen de: US2024059557A1

An exemplary hydrogen production apparatus 100 according to the present invention includes a grinding unit 10 configured to grind a silicon chip or a silicon grinding scrap 1 to form silicon fine particles 2, and a hydrogen generator 70 configured to generate hydrogen by causing the silicon fine particles 2 to contact with as well as disperse in, or to contact with or dispersed in water or an aqueous solution. The hydrogen production apparatus 100 can achieve reliable production of a practically adequate amount of hydrogen from a start material of silicon chips or silicon grinding scraps that are ordinarily regarded as waste. The hydrogen production apparatus thus effectively utilizes the silicon chips or the silicon grinding scraps so as to contribute to environmental protection as well as to significant reduction in cost for production of hydrogen that is utilized as an energy source in the next generation.

一种磷化钼碳纳米球负载铂作为析氢反应催化剂的制备方法

Resumen de: CN119465247A

The invention discloses a molybdenum phosphide carbon nanosphere loaded noble metal Pt as an efficient hydrogen evolution reaction catalyst and a preparation method thereof. The preparation method of the electrochemical catalyst comprises the following steps: firstly preparing a molybdenum phosphorus carbon nanosphere precursor by a hydrothermal method, then carrying out heat treatment in a hydrogen-argon mixed gas atmosphere, and finally loading noble metal platinum by a hydrothermal method to obtain the MoP/C-Pt catalyst. According to the MoP/C-Pt catalyst prepared through the method, molybdenum phosphide carbon nanospheres serve as a carrier, Pt nano-particle aggregation is obviously inhibited through the interaction between metal and the carrier, the problems that in the electrochemical hydrogen evolution reaction, the precious metal utilization rate of the catalyst is low, and stability is poor are effectively solved, in addition, MoP has special Mo delta + and P delta-active sites, and the stability of the catalyst is improved. According to the present invention, the carbon carrier is introduced, such that the water decomposition can be catalyzed under the low potential, the conductivity of the catalyst is enhanced due to the introduction of the carbon carrier, and the catalyst can provide the excellent electro-catalysis performance especially in the acidic and alkaline electrolyte. The preparation method is simple and can be widely applied to industrial production.

一种水氧化催化剂及其制备方法和应用

Resumen de: CN118086964A

The invention belongs to the technical field of water electrolysis hydrogen production, and particularly relates to a water oxidation catalyst and a preparation method and application thereof. According to the method, a weak acid heterogeneous soaking system is manufactured through the hydrolysis effect of metal cations in a hydrolyzable metal salt solution, a slow action is conducted on the surface of the metal substrate, and the surface of the metal substrate can be partially etched while metal oxides on the surface are removed; the etched metal ions and the hydrolyzed metal ions are combined on the surface of the substrate to form an LDH catalyst structure, so that relatively high catalytic activity of the LDH catalyst structure is ensured; meanwhile, under the interface confinement effect, a compact transition layer structure is slowly formed on the interface of the metal substrate and the catalyst layer. The transition layer is used as a bridge between the metal substrate and the catalyst layer, has the same structure as LDH, is more compact in morphology, and completely covers the surface of the metal substrate, so that the LDH catalytic structure layer is firmly anchored on the surface of the metal substrate, and the OER catalyst has high activity and high stability under the condition of industrial current density.

碳纳米管成型体、电化学水分解用电极和它们的制造方法、电化学水分解装置

Resumen de: TW202500506A

Provided are: a carbon nanotube molded body containing carbon nanotubes, wherein the specific surface area of the carbon nanotube molded body is 700 m2/g or more, the pore distribution of the carbon nanotube molded body is 3-15 nm, the tensile strength of the carbon nanotube molded body is 45 MPa or more, and the Young's modulus of the carbon nanotube molded body is 1600 MPa or more; and a method for producing the carbon nanotube molded body. Also provided are: an electrode for electrochemical water splitting that contains the carbon nanotube molded body and platinum supported on the carbon nanotube molded body and a method for producing the same; and an electrochemical water splitting device provided with the electrode for electrochemical water splitting.

运行水电解槽的方法

Resumen de: WO2025042413A1

A method of running a water electrolyzer that can operate on seawater without a significant voltage rise. In some embodiments, the method includes the use of specific ionomers in the catalyst layer. In some embodiments, the method involves using a Break-In Procedure. In some embodiments, the method can include periodic interruption of the voltage to the AEM electrolyzer.

氨分解催化剂和用于生产其的方法

Resumen de: AU2023396734A1

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

用于从空气中捕获二氧化碳并将二氧化碳直接转换成燃料和化学品的工艺

Resumen de: US2023373882A1

The invention relates to a process, catalysts, materials for conversion of renewable electricity, air, and water to low or zero carbon fuels and chemicals by the direct capture of carbon dioxide from the atmosphere and the conversion of the carbon dioxide to fuels and chemicals using hydrogen produced by the electrolysis of water.

ELECTROLYTIC CELL STACK, ELECTROLYTIC CELL CARTRIDGE, ELECTROLYTIC CELL MODULE, AND METHOD FOR MANUFACTURING ELECTROLYTIC CELL STACK

Resumen de: WO2025159042A1

The purpose of the present disclosure is to provide an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing the temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: an electrolysis unit cell (105) that has a hydrogen electrode containing Ni, an oxygen electrode, and a solid electrolyte membrane and is formed in the circumferential direction of a base tube; and an interconnector that electrically connects a plurality of electrolysis unit cells arranged in the axial direction of the base tube. When the distance between the ends of the oxygen electrode, oriented in the axial direction of the base tube, in each electrolysis unit cell is defined as the width W of the electrolysis unit cell, and the area on the base tube in which the plurality of electrolysis unit cells are arranged is divided into a first end portion (10), a central portion (11), and a second end portion (12) along the axial direction, the widths W1, W3 of the electrolysis single cells (105b, 105c) positioned in the first end portion and/or the second end portion is 1.5 to 3 times greater than the width W2 of the electrolysis unit cell (105a) positioned in the central portion.

GREEN HYDROGEN PRODUCTION THROUGH ELECTROLYSIS OF HIGH-PRESSURE AND HIGH-TEMPERATURE UPSTREAM BOILER BLOWDOWN WASTE WATER STREAM

Resumen de: WO2025159940A1

Described is a system and method for green hydrogen production via electrolysis. The system includes a steam boiler unit (204) configured to produce a discharged waste water stream (200), an electrolysis unit (300) configured to produce hydrogen (302) and oxygen (304) from the discharged waste water stream (200); and a hydrogen storage unit (708) for storing a portion of the hydrogen (302) produced by the electrolysis unit (300) as a product.

ELECTROLYSER SYSTEM

Resumen de: WO2025157947A1

The present invention discloses an electrolyser system and a method for operating the electrolyser system. The electrolyser system comprises an electrolyser stack further comprising a cathode compartment and an anode compartment separated by a diaphragm. A catholyte inlet of the stack is configured for supplying catholyte to the cathode compartment of the stack and an anolyte inlet configured for supplying anolyte to the anode compartment of the stack. A catholyte outlet transports gas-electrolyte mixture from the cathode compartment to a hydrogen separator and an anolyte outlet transports gas-electrolyte mixture from the anode compartment to an oxygen separator. A pressure control unit is configured to establish a predefined differential pressure between the cathode compartment and the anode compartment of the stack by maintaining the pressure at the cathode compartment greater than the pressure at the anode compartment.

FLUID SEPARATION SYSTEMS FOR AN ELECTROCHEMICAL SYSTEM

Resumen de: WO2025159903A1

A system for separating a fluid in the operation of an electrochemical system includes: a cathode separator configured to separate a fluid into a first stream having hydrogen gas and a second stream having water and dissolved hydrogen; and a makeup water tank. The makeup water tank is configured to: receive the second stream from the cathode separator; operate at a pressure that is greater than atmospheric pressure and less than an operating pressure of the cathode separator; and separate at least a portion of the dissolved hydrogen from the water via a reduction in pressure from the cathode separator to the makeup water tank to provide a purified water stream and hydrogen gas. The hydrogen gas from the makeup water tank is configured to be transferred out of the makeup water tank and the purified water stream is configured to be transferred out the makeup water tank.

NUCLEAR PROCESS STEAM DRIVEN HYDROTHERMAL DECOMPOSITION OF METHANE FOR LOW-TEMPERATURE GREEN METHANOL PRODUCTION

Resumen de: WO2025160419A1

An integrated energy system including a power plant is discussed herein. In some examples, the integrated energy system may include a power plant configured to generate steam, a hydrothermal decomposition reactor configured to receive at least a portion of the steam (H2O) from the power plant to react with Methane (CH4) within the hydrothermal decomposition reactor to produce Hydrogen (H2) and Carbon Dioxide (CO2), a first separation unit configured to separate the Hydrogen (H2) and the Carbon Dioxide (CO2), a Solid Oxide Stack configured to receive at least a portion of the Carbon Dioxide (CO2) and to produce Carbon Monoxide (CO), a second separation unit configured to separate the Carbon Dioxide (CO2) from the Carbon Monoxide (CO), and a methanol synthesis reactor configured to receive at least a portion of the Hydrogen (H2) and at least a portion of the Carbon Monoxide (CO) to produce Methanol (CH3OH).

SYSTEM AND METHOD FOR MAKING GREEN HYDROGEN

Resumen de: WO2025160516A1

A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.

HYDROGEN PRODUCTION VIA SEAWATER SPLITTING

Resumen de: AU2023408768A1

A method of hydrogen production includes providing a solution and immersing a device in the solution. The device includes a substrate having a surface, an array of conductive projections supported by the substrate and extending outward from the surface of the substrate, and a plurality of catalyst nanoparticles disposed over the array of conductive projections. The solution includes dissolved sodium chloride (NaCl).

STABLE ION EXCHANGE MEMBRANES WITH RADICAL SAVENGER

Resumen de: US2025246660A1

Described is a long-lasting, heavy-duty ion exchange membrane comprising a fluorinated ionomer, a CexM1-xOy nanoparticle, and optional additives; where x is 0.2-0.9, y is 1-3, and M is Zr, Gd, Pr, Eu, Nd, La, Hf, Tb, Pd, Pt, or Ni. Optional additives may include reinforcement layers, which may be embedded in the ion exchange membrane. Such membranes are formed from ion exchange polymer dispersions and are useful to form membrane assemblies for fuel cell or water electrolysis applications. The present membranes and membrane assemblies have improved chemical stability and durability in such applications.

OXYGEN EVOLUTION REACTION CATALYST

Resumen de: US2025246642A1

The present invention provides an oxygen evolution reaction catalyst, wherein the oxygen evolution reaction catalyst is an oxide material comprising iridium, tantalum and ruthenium: wherein the oxygen evolution catalyst comprises a crystalline oxide phase having the rutile crystal structure; wherein the crystalline oxide phase has a lattice parameter a of greater than 4.510 Å.

SIMULATION SYSTEM AND METHOD FOR HYDROGEN PRODUCTION BY WATER ELECTROLYSIS

Resumen de: US2025244729A1

A simulation system and method for hydrogen production by water electrolysis. The simulation system for hydrogen production by water electrolysis includes: a first simulation unit used for simulating a hydrogen production power system to obtain hydrogen production electrical parameters; a controller unit used for outputting a control instruction to control hydrogen production process parameters in a hydrogen production chemical system; a second simulation unit used for simulating the hydrogen production chemical system according to the hydrogen production electrical parameters and the control instruction so as to obtain a hydrogen production result; and a data interaction unit, the first simulation unit, the controller unit, and the second simulation unit being capable of performing data interaction by means of the data interaction unit. Joint simulation of complete chemical and electrical processes for hydrogen production by water electrolysis can be realized.

MULTI-FUNCTIONAL MOLYBDENUM-IRON NANOSHEETS AND NANOCOMPOSITES THEREOF

Resumen de: US2025242312A1

The present disclosure is directed to a molybdenum iron composition that includes 55 to 60 weight percent MoFe2, 33 to 37 weight percent Mo5.08Fe7.92, and 5 to 10 weight percent MoO3 based on the total weight of the composition. The composition is in the form of nanosheets. A nanocomposite membrane including the molybdenum iron composition is also provided. The nanocomposite membrane includes 0.01 to 0.5% molybdenum iron composition by weight uniformly distributed in a polyvinylidene fluoride polymeric matrix based on a total weight of the nanocomposite membrane. The nanocomposite membrane of the present disclosure finds application in filtration of a contaminated feed mixture and for generating hydrogen.

ZERO-CARBON-EMISSION DEVICE AND PROCESS FOR GENERATING HOT AIR OR HIGH-TEMPERATURE STEAM OR PRODUCING PURE WATER

Resumen de: US2025243057A1

The present invention discloses a zero-carbon-emission device and process for generating hot air or high-temperature steam or producing pure water, including a gas storage unit, a gas conduct device, a reaction chamber, and a heating conduct device, where the gas storage unit is configured to store hydrogen and oxygen or air respectively; the gas storage unit is connected to the reaction chamber through the gas conduct device respectively, and the gas conduct device is configured to convey the oxygen or the air and the hydrogen of the gas storage unit to the reaction chamber; the reaction chamber is further provided with a hot and moist air outlet, and the hot and moist air outlet is connected to the heating conduct device; and the reaction chamber is provided with a plurality of layers of pipes that are connected in sequence.

MAXINE NANOSHEET HYBRID COMPOSITE, MANUFACTURING METHOD THEREOF, AND ELECTROCHEMICAL CATALYST INCLUDING SAME

Resumen de: US2025243594A1

An embodiment may provide a metal-positive ion-MXene nanosheet hybrid composite. According to the embodiment, by providing a hybrid composite composed of metal particles/positive ions/MXene nanosheets, there is a feature that may provide a hydrogen evolution reaction catalyst having excellent electrochemical performance with a high current value and low overvoltage.

WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS STACK

Resumen de: US2025243589A1

To provide a water electrolysis cell which reduces the concentration of hydrogen reaching the oxygen generating electrode side before the concentration increases with a simple configuration. An electrolyte membrane, a catalyst layer, and a separator for flowing a fluid are provided. A water electrolytic cell for generating hydrogen and oxygen by supplying water and applying a voltage, wherein a hydrogen reaction catalyst for promoting a reaction between hydrogen and oxygen is provided at a site where oxygen generated and residual water flow on the surface of the separator on the oxygen generating electrode side.

FRAME FOR PEM ELECTROLYSIS CELLS AND PEM ELECTROLYSIS CELL STACK FOR GENERATING HIGH-PRESSURE HYDROGEN BY MEANS OF DIFFERENTIAL PRESSURE ELECTROLYSIS

Resumen de: US2025243590A1

The invention relates to a novel frame for a PEM electrolysis cell and for a PEM electrolysis cell stack. The subject matter of the invention is the frame, a PEM electrolysis cell and stack-type PEM electrolysis devices, which comprise the frame according to the invention, preassembled components and methods for producing preassembled components and stack-type PEM electrolysis devices. The frame, PEM electrolysis cell and stack-type PEM electrolysis devices according to the invention are suitable for generating high-pressure hydrogen in combination with the use of thin proton exchange membranes. The invention is based on a novel frame- and sealing-concept. The invention also relates to a cover for stack-type PEM electrolysis devices.

WATER ELECTROLYSIS ELECTRODE, WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS DEVICE, AND METHOD FOR MANUFACTURING WATER ELECTROLYSIS ELECTRODE

Resumen de: US2025243592A1

A water electrolysis electrode includes a conductive substrate and a layered double hydroxide layer. The layered double hydroxide layer is disposed on a surface of the conductive substrate. The layered double hydroxide layer includes two or more transition metals. The layered double hydroxide layer includes a chelating agent.

MULTI-ELECTROLYTIC-CELL SERIES-PARALLEL HYDROGEN PRODUCTION CONTROL METHOD AND POWER GENERATION SYSTEM

Resumen de: WO2025156736A1

Provided in the present application are a multi-electrolytic-cell series-parallel hydrogen production control method and a power generation system. The method in the present application comprises: acquiring electrolysis power parameters of a plurality of electrolytic cells and a real-time generation power of a power generation system; and then, on the basis of the plurality of electrolysis power parameters and the real-time generation power, controlling the plurality of electrolytic cells to sequentially and repeatedly execute electrolysis start-stop operations, wherein each electrolysis start-stop operation comprises: comparing the magnitude of a target round startup output power with the magnitude of a rated minimum electrolysis power of a target electrolytic cell; on the basis of a corresponding magnitude determination, performing subsequent control operations; and then in the subsequent control operations, performing a corresponding control operation by means of determining whether the target round startup output power exceeds a danger warning threshold power. Thus, the hydrogen production efficiency and flexibility of the plurality of electrolytic cells in the hydrogen production power generation system are improved, the stability of the hydrogen production power generation system is improved, and the service life of the hydrogen production power generation system is prolonged.

バイポーラプレート、燃料電池システム、および電解槽

Resumen de: CN119547229A

The invention relates to a bipolar plate (100) for a chemical energy converter (200, 300). The bipolar plate (100) comprises:-a plurality of channels (101) for conducting an operating medium of the energy converter (200, 300),-a plurality of supply openings (103) for supplying the plurality of channels (101) with an operating medium,-a plurality of distribution channels (105) for distributing the operating medium onto the plurality of channels (101), each distribution channel (105) of the plurality of distribution channels (105) extends between a corresponding supply opening (103) of the plurality of supply openings (103) and a corresponding channel (101) of the plurality of channels (101), and wherein the distribution channels (105) of the plurality of distribution channels (105) extend between the corresponding supply opening (103) of the plurality of supply openings (103) and the corresponding channel (101) of the plurality of channels (101). Each supply opening (103) of the plurality of supply openings (103) has an at least partially curved edge region at least on a distribution channel side facing a corresponding distribution channel (105) of the plurality of distribution channels (105).

ORGANIC HYDRIDE GENERATION SYSTEM, CONTROL DEVICE FOR ORGANIC HYDRIDE GENERATION SYSTEM, AND CONTROL METHOD FOR ORGANIC HYDRIDE GENERATION SYSTEM

Resumen de: EP4592426A2

This organic hydride generation system 1 is provided with: an electrolytic bath 2; a main power supply unit 56 that supplies power to the electrolytic bath 2; an auxiliary power supply unit 58 that supplies power to the electrolytic bath 2 independently of the main power supply unit 56; a detection unit 38 that detects the voltage of the electrolytic bath 2, the potential of an anode electrode 12, or the potential of a cathode electrode 16; and a control unit 10 that controls the supply of power to the electrolytic bath 2 on the basis of detection results of the detection unit 38. The control unit 10 controls the auxiliary power supply unit 58 to supply power to the electrolytic bath 2, when the voltage or potential is detected to be changed to a prescribed value during the operation stoppage of the organic hydride generation system 1 in which the power from the main power supply unit 56 is not supplied to the electrolytic bath 2.

Electrolyser system for an intermittent electricity supply

Resumen de: GB2637456A

An electrolyser system (10) comprising a heat storage unit (14) and an electrolyser (16) is described. The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.

DEVICES, SYSTEMS, AND METHODS FOR ELECTROCHEMICALLY PURIFYING HYDROGEN

Resumen de: US2025214034A1

Hydrogen gas purifier electrochemical cells, systems for purifying hydrogen gas, and methods for purifying hydrogen gas are provided. The cells, systems, and methods employ double membrane electrode (DMEA) electrochemical cells that enhance purification while avoiding the complexity and cost of conventional cells. The purity of the hydrogen gas produced by the cells, systems, and methods can be enhanced by removing at least some intermediate gas impurities from the cells. The purity of the hydrogen gas produced by the cells, systems, and methods can also be enhanced be introducing hydrogen gas to the cells to replenish any lost hydrogen. Water electrolyzing electrochemical cells and methods of electrolyzing water to produce hydrogen gas are also disclosed.

連続水素製造のための光触媒パネル及び方法

Resumen de: AU2023290620A1

The disclosure relates to systems and methods for continuous hydrogen production using photocatalysis. Specifically, the disclosure relates to systems and methods for continuous hydrogen production using photocatalysis of water utilizing semiconductor charge carriers immobilized on removable carriers in the presence of a reducing agent such as tertiary amines.

メタノールへのバイオガスアップグレード法

Resumen de: US2022306559A1

A method for upgrading biogas to methanol, including the steps of: providing a reformer feed stream comprising biogas; optionally, purifying the reformer feed stream in a gas purification unit; optionally, prereforming the reformer feed stream together with a steam feedstock in a prereforming unit; carrying out steam methane reforming in a reforming reactor heated by means of an electrical power source; providing the synthesis gas to a methanol synthesis unit to provide a product including methanol and an off-gas. Also, a system for upgrading biogas to methanol.

ELECTROLYSER SYSTEM

Resumen de: EP4592425A1

The present invention discloses an electrolyser system (100) and a method for operating the electrolyser system. The electrolyser system (100) comprises an electrolyser stack (101) further comprising a cathode compartment and an anode compartment separated by a diaphragm. A catholyte inlet (102) of the stack (101) is configured for supplying catholyte to the cathode compartment of the stack (101) and an anolyte inlet (103) configured for supplying anolyte to the anode compartment of the stack (101). A catholyte outlet (104) transports gas-electrolyte mixture from the cathode compartment to a hydrogen separator (106) and an anolyte outlet (105) transports gas-electrolyte mixture from the anode compartment to an oxygen separator (107). A pressure control unit (110) is configured to establish a predefined differential pressure (Δp) between the cathode compartment and the anode compartment of the stack (101) by maintaining the pressure at the cathode compartment greater than the pressure at the anode compartment.

METHOD FOR PRODUCING AN ELECTRODE FOR USE IN ALKALINE ELECTROLYSIS OF WATER, AND ELECTRODE

Resumen de: WO2025125243A1

The invention relates to a method for producing an electrode (10) for use in alkaline electrolysis of water, the method comprising: providing a metal substrate (12); providing a coating material (26) comprising powder (28) consisting of a catalyst material (20), and comprising non-metal particles (24); and coating at least a portion of the substrate with the coating material. The invention also relates to electrodes produced in this way.

PROCESS TO CONVERT REDUCED SULFUR SPECIES AND WATER INTO HYDROGEN AND SULFURIC ACID

Resumen de: EP4593128A2

Provided herein is a method for producing a cement material, said method comprising steps of: a. reacting sulfur dioxide and water to form a first acid, the first acid comprising at least one sulfur-containing anion; b. reacting the first acid and a first cement precursor to form a second cement precursor; wherein the second cement precursor comprises the at least one sulfur-containing anion; and c. converting the second cement precursor to the cement material. Also provided is a system for producing a cement material.

电解池和电解方法

Resumen de: AU2023327787A1

The invention provides an electrolytic cell, comprising: a working electrode; a counter electrode; a liquid electrolyte in contact with a working surface of the working electrode; an acoustically transmissive substrate comprising at least a piezoelectric substrate portion; one or more conductive electrodes coupled to the piezoelectric substrate portion and configured to propagate a high frequency acoustic wave having a frequency of at least 1 MHz across the acoustically transmissive substrate when electrically actuated; and one or more power supplies configured (i) to apply a potential between the working electrode and the counter electrode sufficient to electrolytically react a species in the liquid electrolyte, thereby producing an electrolytic reaction product proximate the working electrode, and (ii) to electrically actuate the one or more conductive electrodes, wherein the working electrode is either located on the acoustically transmissive substrate or spaced apart from the acoustically transmissive substrate by the liquid electrolyte, and wherein propagation of the high frequency acoustic wave across the acoustically transmissive substrate in operation of the electrolytic cell stimulates the liquid electrolyte, thereby increasing the production efficiency of the electrolytic reaction product.

带有热能储存器的电化学电池系统和相关方法

Resumen de: MX2025004437A

Electrochemical cell system (100) which comprises an electrochemical cells arrangement (10), a control unit (20) configured to operate the electrochemical cells arrangement (10) only as electrolytic cells or only as fuel cells, a heat unit (40), external to the electrochemical cells arrangement (10), which is thermally coupled to the electrochemical cells arrangement (10) and which is configured to alternately store heat from the electrochemical cells arrangement (10) to the heat unit (40) and supply heat from the heat unit (40) to the electrochemical cells arrangement (10), and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cells arrangement (10) to the heat unit (40) and from the heat unit (40) to the electrochemical cells arrangement (10).

SYSTEM AND METHOD FOR PRODUCING LIME AND HYDROGEN USING THE STEPWISE OF RECYCLE OF GYPSUM REACTION BY-PRODUCT

Resumen de: WO2025154892A1

The present invention relates to a stepwise system and method for producing lime and hydrogen using by-product gypsum and the system includes: a lime production unit that reacts the by-product gypsum with a hydroxide of an alkali metal to produce lime and alkali metal sulfate, an electrolysis unit that electrolyzes the aqueous solution of the generated alkali metal sulfate to produce alkali metal hydroxide and hydrogen, and a circulation unit that provides the produced alkali metal hydroxide back to the lime production unit.

水素製造を結合した炭素捕集の方法および装置

Resumen de: US2025018339A1

Disclosed are a method and an apparatus for carbon capture coupled hydrogen production. The method includes: capturing low-concentration CO2 by a solution of an alkali metal hydroxide to obtain a low-concentration CO2 absorption solution; capturing high-concentration CO2 by a first portion of the low-concentration CO2 absorption solution to obtain a high-concentration CO2 absorption solution; and performing electrolysis by a second portion of the low-concentration CO2 absorption solution as a catholyte solution, using the high-concentration CO2 absorption solution as an anolyte, and using a non-ionic diaphragm as a diaphragm. According to the method, capture of CO2 in a wide concentration range can be realized; electrolysis is performed by a non-ionic diaphragm, to implement regeneration of an absorption solution coupled hydrogen production; capture costs of CO2 in a wide concentration range can be reduced; additional products of H2 and O2 can be obtained; and hydrogen production costs can be reduced.

碱性水电解方法和碱性水电解槽

Resumen de: WO2024133283A1

An alkaline water electrolyzer (200) comprising an electronic controller (Cont), a stack (Stck) of electrolysis cells each comprising an anode and a cathode, the electrolyzer being configured to contain an electrolyte made of an anolyte (AnKOH) and a catholyte (CathKOH), the electrolyzer comprising a system (Sys) controlled by the electronic controller (Cont) configured to maintain a concentration of an impurity in the electrolyte within a target range by measuring a characteristic representative of the concentration of the impurity in the electrolyte and, in response to the measured concentration of the impurity, add a quantity of the impurity into the electrolyte.

HIGH PERFORMANCE TRANSITION METAL BASED NITRIDE CATALYSTS FOR ALKALINE WATER ELECTROLYSIS

Resumen de: WO2025155611A1

Improved electrocatalysts for promoting a hydrogen evolution reaction (HER) or an oxygen evolution reaction (OER) from alkaline fresh water and seawater are disclosed. By incorporating metals, such as tungsten and rare earth elements, into the nickel molybdenum nitride framework, Ni1-xMoxN, the disclosed electrocatalysts demonstrate improved catalytic activity and stability compared to the original Ni&Ni0.2Mo0.8N catalysts, particularly under high-current alkaline conditions, in water electrolysis for hydrogen and oxygen production.

HYDROGEN PLANT, AND CONTROL SYSTEM AND CONTROL METHOD THEREOF

Resumen de: WO2025153178A1

A control system (30) for a hydrogen plant (100) is provided. The hydrogen plant includes: a first set of units (11,12…1n) comprising at least one hydrogen electrolyzer for producing hydrogen as a main product and heat as a byproduct; and a second set of units (21,22…2n) comprising at least one desalination unit partially operated with the heat from the at least one hydrogen electrolyzer for producing distilled water from raw water, and the at least one water desalination unit being configured to provide at least part of the distilled water to the at least one hydrogen electrolyzer. The control system is configured to control operation of the hydrogen plant including controlling electrical energy consumption of the at least one electrolyzer and the at least one desalination unit by adjusting at least one of: 1) electrical power supplied to the at least one hydrogen electrolyzer to produce the hydrogen and the heat; 2) flowrate of the at least part of the distilled water to the at least one hydrogen electrolyzer from the at least one desalination unit; and 3) heat transferred from the at least one hydrogen electrolyzer to the at least one desalination unit.

PROCESS OF HYDROGEN RECYCLING IN REFINERY

Resumen de: WO2025153632A1

The disclosure concerns a hydroprocessing of a hydrocarbon feedstock (1) in which the acid gas stream with hydrogen sulphide (11) that is generated is cracked to generate a stream (13) comprising hydrogen and elemental sulphur. The disclosure relates also to an installation for removing one or more organic sulphur compounds from a hydrocarbon feedstock (1).

HYDROGEN GENERATOR FOR FUEL SAVING AND EXHAUST EMISSION REDUCTION AND VEHICLE INCLUDING THE SAME

Resumen de: KR20250112431A

본 발명의 실시예에 따르면, 배터리로부터 공급되는 전력을 활용하여 물탱크에 저장되었던 물에 대한 전기 분해를 수행하는 전기 분해기; 및 상기 전기 분해기에 의해 생성된 수소를 운송 수단의 엔진 연소실과 연결되는 흡기 통로에 공급하는 수소 공급 장치를 포함하는, 운송 수단의 수소 발생 시스템이 제공된다.

Nuclear power plant hydrogen production system and method

Resumen de: KR20250112723A

원자력 발전소 수소생산 시스템 및 방법을 제공한다. 원자력 발전소의 수소생산 시스템으로서, 전력그리드; 증기를 생성하는 증기발생부; 상기 증기를 기반으로 동작하는 터빈; 상기 전력그리드와 연동되는 스위치야드; 상기 증기를 수요처로 이송하는 이송배관; 상기 터빈의 동작을 기반으로 동작하는 발전기; 상기 증기로부터 추기된 추기 증기를 수요처로 이송하는 추기배관; 상기 스위치야드로부터 공급되는 전기를 통해, 수소를 생산하는 저온 수전해부; 및 상기 스위치야드로부터 공급되는 전기와, 상기 추기 증기를 기반으로, 수소를 생산하는 고온 수전해부를 포함하고, 상기 수소생산 시스템은, 기 설정된 조건에 따라, 상기 저온 수전해부만 운전되는 제1 운전과, 상기 고온 수전해부만 운전되는 제2 운전과, 상기 저온 수전해부와 상기 고온 수전해부가 복합 운전되는 제3 운전이 각각 수행 가능하다.

METHODS, DEVICES, AND SYSTEMS FOR MITIGATING HYDROGEN CROSSOVER WITHIN AN ELECTROCHEMICAL CELL

Resumen de: US2025236964A1

Electrochemical cells having recombination layers are disclosed herein. One example of such a cell includes a membrane configured to be positioned between an anode flow field and a cathode flow field of the electrochemical cell. The cell further includes a recombination layer configured to be positioned between the anode flow field and at least a portion of the membrane. The recombination layer includes a catalyst configured to assist in a formation of water from hydrogen gas and oxygen gas produced within the electrochemical cell, therein mitigating any hydrogen gas crossover from a cathode side to an anode side of the electrochemical cell.

GREEN HYDROGEN PRODUCTION THROUGH ELECTROLYSIS OF HIGH-PRESSURE AND HIGH-TEMPERATURE UPSTREAM BOILER BLOWDOWN WASTE WATER STREAM

Resumen de: US2025236960A1

Described is a system and method for green hydrogen production via electrolysis. The system includes a steam boiler unit configured to produce a discharged waste water stream, an electrolysis unit configured to produce hydrogen and oxygen from the discharged waste water stream; and a hydrogen storage unit for storing a portion of the hydrogen produced by the electrolysis unit as a product.

INTEGRATED HYDROGEN PRODUCTION METHOD AND SYSTEM

Resumen de: US2025236962A1

Herein discussed is a hydrogen production system comprising a first reactor zone and a second reactor zone, wherein both reactor zones comprise an ionically conducting membrane, wherein the first zone is capable of reforming a hydrocarbon electrochemically and the second zone is capable of performing water gas shift reactions electrochemically, wherein the electrochemical reforming reactions involve the exchange of an ion through the membrane to oxidize the hydrocarbon and wherein electrochemical water gas shift reactions involve the exchange of an ion through the membrane and include forward water gas shift reactions, or reverse water gas shift reactions, or both. In an embodiment, the membrane is mixed conducting. In an embodiment, the membrane comprises an electronically conducting phase and an ionically conducting phase.

NI-BASED POROUS ELECTRODE FOR WATER ELECTROLYSIS AND THE PREPARATION METHOD THEREOF

Resumen de: US2025236969A1

A Ni-based porous electrode for water electrolysis including (a) a macroporous substrate having a specific thickness, porosity level, and a pore size; (b) a first layer of a metal or a metal alloy as defined herein covering the macroporous substrate; and (c) a second layer of Ni, a Ni—X alloy or a Ni—X—Y alloy covering the first layer. The Ni-based porous electrode is free from Pt-group metals and rare-earths. A process for the manufacturing of the Ni-based porous electrode. The use of the Ni-based porous electrode to catalyze the hydrogen evolution reaction (HER). A water electrolyzer comprising the Ni-based porous electrode.

Alkaline Electrolyzer with Cooled Bipolar Electrode

Resumen de: US2025236972A1

Electrolyzer for production of hydrogen gas and comprising a stack of bipolar electrodes sandwiching ion-transporting membranes between each two of the bipolar electrodes. Each bipolar electrode comprises two metal plates welded together back-to-back forming a coolant compartment in between and having a respective anode surface and an opposite cathode surface, each of which is abutting one of the membranes. The plates are embossed with a major vertical channel and minor channels in a herringbone pattern for transport of oxygen and hydrogen gases. The embossed herringbone pattern is provided on both sides of the metal plates so as to also provide coolant channels in a herringbone pattern inside the coolant compartment.

LOW IMPEDANCE ELECTRICAL CONNECTIONS FOR ELECTROCHEMICAL CELLS

Resumen de: US2025236967A1

A membrane in an electrochemical cell may be electrically and/or mechanically coupled to a flow-field plate using a conductive adhesive. Various types of adhesives with conductive particles may be used. The adhesive may be selected such that in the fluid phase it is able to diffuse through one or more porous layers of the electrochemical cell, such as a liquid/gas diffusion layer. In some cases, the use of conductive adhesive may increase the level of inter-component electrical contact that may be achieved for a given level of compressive force applied between the components in the electrochemical cell.

HYDROGEN GENERATION SYSTEM

Resumen de: US2025236978A1

A hydrogen generation system includes a plurality of cell stack assemblies, each including a plurality of cells. The cell stack assemblies are electrically connected in series. The cell stack assemblies each receive water and electricity and generate hydrogen as a result of an electrochemical reaction within the cells. The hydrogen is intended for use outside of the system and may be stored or transported to another location. A plurality of conduits carry water into and water, oxygen and hydrogen away from the cell stack assemblies. The conduits each include a dielectric section near the respective cell stack assembly to reduce or eliminate shunt currents between the cell stack assemblies. The dielectric sections may also serve to electrically isolate the cell stack assemblies from grounded portions of the system, such as a supporting frame.

A DEVICE FOR PERFORMING ELECTROLYSIS OF WATER, AND A SYSTEM THEREOF

Resumen de: US2025236961A1

A device (1) for performing electrolysis of water is disclosed. The device comprising: a semiconductor structure (10) comprising a surface (11) and an electron guiding layer (12) below said surface (11), the electron guiding layer (12) of the semiconductor structure (10) being configured to guide electron movement in a plane parallel to the surface (11), the electron guiding layer (12) of the semiconductor structure (10) comprising an InGaN quantum well (14) or a heterojunction (18), the heterojunction (18) being a junction between AlN material and GaN material or between AlGaN material and GaN material; at least one metal cathode (20) arranged on the surface (11) of the semiconductor structure (10); and at least one photoanode (30) arranged on the surface (11) of the semiconductor structure (10), wherein the at least one photoanode (30) comprises a plurality of quantum dots (32) of InxGa(1-x)N material, wherein 0.4≤x≤1. Also a system comprising such device is disclosed.

HYDROGEN PRODUCTION PLANT AND HYDROGEN PRODUCTION METHOD

Resumen de: WO2025154484A1

The purpose of the present invention is to improve the safety of a hydrogen production plant. This hydrogen production plant (1) comprises: a solid oxide electrolysis cell (SOEC) (10) which produces a hydrogen-containing gas; and a discharge stack (30) into which the hydrogen-containing gas produced by the SOEC (10) is introduced and which discharges the introduced hydrogen-containing gas to air. The discharge stack (30) has a spray unit (32) which supplies, to the hydrogen-containing gas introduced therein, cooling water for cooling the hydrogen-containing gas.

MITIGATING CHLORIDE ION OXIDATION DURING SALINE WATER ELECTROLYSIS FOR HYDROGEN PRODUCTION AND CARBON DIOXIDE MINERALIZATION

Resumen de: WO2024163636A1

The present disclosure relates to methods of sequestering CO2 comprising a first cathodic chamber, performing a first alkaline process, a first anodic chamber, performing a first acidic process, and dechlorinating a solution by contacting the solution with a dechlorinating agent. Also provided herein are systems comprising a first cathodic chamber and a first anodic chamber.

ENVIRONMENTAL CONTROL SYSTEM UTILIZING AN ANION CONDUCTING MEMBRANE

Resumen de: US2025235819A1

An environmental control system employs an electrolysis cell utilizing an anion conducting membrane. A power supply is coupled across the anode and cathode of the electrolysis cell to drive reactions to reduce oxygen and/or carbon dioxide in an output gas flow. A cathode enclosure may be coupled with the electrolysis cell and provide an input gas flow and receive the output gas flow. A first electrolysis cell may be utilized to reduce the carbon dioxide concentration in an output flow that is directed to a second electrolysis cell, that reduces the concentration of oxygen. The oxygen and/or carbon dioxide may be vented from the system and used for an auxiliary purpose. An electrolyte solution may be configured in a loop from a reservoir to the anode, to provide a flow of electrolyte solution to the anode. Moisture from the cathode may be collected and provided to the anode.

DEVICE AND METHOD FOR WATER ELECTROLYZER CAPABLE OF SIMULTANEOUS DESALINATION THROUGH NANOELECTROKINETIC ION CONCENTRATION POLARIZATION

Resumen de: US2025236542A1

Provided is an apparatus and a method of desalinating saltwater and transporting hydrogen ions using Ion Concentration Polarization (ICP), the apparatus including: a channel part including a channel allowing saltwater to be introduced thereinto, an ion-selective membrane connected to the channel, and a cathode and an anode for applying a voltage to both ends of the channel; a desalination part configured to obtain fresh water from the saltwater with ionic substances removed from the saltwater by ion concentration polarization in a first region adjacent to the anode of the ion-selective membrane; and a hydrogen gas production part configured to concentrate the ionic substances in a second region adjacent to the cathode of the ion-selective membrane and to reduce hydrogen ions (H+) contained in the ionic substances.

STEPWISE SYSTEM AND METHOD FOR PRODUCING LIME AND HYDROGEN USING BY-PRODUCT GYPSUM

Resumen de: WO2025154892A1

The present invention relates to a stepwise system and method for producing lime and hydrogen using by-product gypsum and the system includes: a lime production unit that reacts the by-product gypsum with a hydroxide of an alkali metal to produce lime and alkali metal sulfate, an electrolysis unit that electrolyzes the aqueous solution of the generated alkali metal sulfate to produce alkali metal hydroxide and hydrogen, and a circulation unit that provides the produced alkali metal hydroxide back to the lime production unit.

Methods and Systems of Iodine Capture from Aqueous Solutions

Resumen de: US2025236541A1

Methods, systems and devices for removing iodide from an aqueous solution including submerging an iodophilic electrode in an aqueous solution containing iodide, applying a current to the electrode, and electrochemically oxidizing the iodide to iodine within the electrode. The electrode may include an iodophilic material and an electrically conductive material. It may also include a binder. The iodophilic material may be a starch, chitosan, carboxycellulose, cationic polymer, or an anion exchange membrane material, for example. After oxidizing the iodide to iodine within the electrode, the electrode may be submerged in a second solution and a current may be applied to reduce the iodine and release it from the electrode in the form of iodide into the second solution.

ELECTROLYSIS CELL WITH ARCHED SUPPORT MEMBERS

Resumen de: CN119895081A

An electrolytic cell (1) for the electrolysis of chlor-alkali or alkaline water, comprising: two cell elements (2, 3), each cell element (2, 3) defining an electrode chamber (4, 5) by providing a rear wall (6) and side walls (7) of the electrode chamber (4, 5); electrodes (8, 9) respectively housed in each of the electrode chambers (4, 5); a sheet-like diaphragm (10) that extends in the height direction (H) and the width direction (W) of the electrolytic cell (1), is provided in a joint (11) between the two electrolytic cell elements (2, 3), and forms a partition wall (12) between the electrode chambers (4, 5); a plurality of support members (13) for supporting at least one electrode (8, 9) on a respective rear wall (6); wherein each support member (13) comprises: two support parts standing on the rear wall (6) and extending in the height direction (H) of the electrolytic cell (1); two feet (16, 17) connected to the respective supports (14, 15) at an angle and in planar contact with the rear wall (6); wherein the support portions of the support members (13) are connected to each other by means of an arch-shaped portion (18) bent outward toward the electrode (8) to be supported, and form an elastic bearing surface (19) for supporting the electrode (8); when the arch (18) deflects inwards, the bearing surface (19) increases.

PRODUCTION OF HYDROGEN AND SOLID LITHIUM HYDROXIDE

Resumen de: MX2025002822A

The problem addressed by the present invention is that of specifying a process for producing lithium hydroxide which is very energy efficient. The process shall especially operate without consumption of thermal energy. The process shall be able to handle, as raw material, Li-containing waters generated during digestion of spent lithium-ion batteries. The LiOH produced by the process shall have a high purity sufficient for direct manufacture of new LIB. The process shall achieve a high throughput and have small footprint in order that it can be combined with existing processes for workup of used LIB/for production of new LIB to form a closed, continuous production loop. The process according to the invention is an electrolytic membrane process operating with a LiSICon membrane. It is a special aspect of the process that the electrolysis is operated up to the precipitation limit of the lithium hydroxide.

METHOD OF PREPARING NIMO-MOO3-X POROUS NANORODS AND CATHODE CATALYST FOR WATER ELECTROLYSIS COMPRISING PREPARED NIMO-MOO3-X POROUS NANORODS

Resumen de: EP4588566A1

The present disclosure relates to a method of preparing a NiMo-MoO_3-x porous nanorod catalyst based on a metal-organic framework and a non-precious metal alloy catalyst prepared thereby. The method of preparing a non-precious metal alloy catalyst according to the present disclosure can prepare an alloy catalyst that combine alloys and oxides and form nanorods having porosity and high surface area, and possess excellent HER performance close to that of commercial platinum catalysts.

ELECTRODE AND ALKALI WATER ELECTROLYTIC DEVICE INCLUDING SAME

Resumen de: EP4589053A1

An electrode, including: a substrate that has a surface composed of at least one of nickel, nickel oxide, and nickel hydroxide; and scale-like protruding parts provided on the surface of the substrate.

BLOCK COPOLYMER, POLYMER ELECTROLYTE MATERIAL USING SAME, POLYMER ELECTROLYTE MOLDED ARTICLE, POLYMER ELECTROLYTE MEMBRANE, CATALYST-COATED ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE COMPOSITE BODY, SOLID POLYMER FUEL CELL, AND WATER ELECTROLYTIC HYDROGEN GENERATOR

Resumen de: EP4588957A1

A block copolymer including one or more segments containing an ionic group (hereinafter referred to as an "ionic segment(s)") and one or more segments containing no ionic group (hereinafter referred to as a "nonionic segment(s)"), wherein the ionic segment has an aromatic hydrocarbon polymer having a number-average molecular weight of more than 40,000 and 50,000 or less, and wherein the block copolymer satisfies the relation of: Mn3 / (Mn1 + Mn2) > 1.5, wherein Mn1 represents the number-average molecular weight of the ionic segment, Mn2 represents the number-average molecular weight of the nonionic segment, and Mn3 represents the number-average molecular weight of the block copolymer. Provided is a block copolymer and a polymer electrolyte material produced using the same, wherein the block copolymer has excellent proton conductivity even under low-humidity conditions, has excellent mechanical strength and physical durability, and has an excellent in-process capability.

COMPOSITE BODY, CATALYTIC INK, AND METHOD FOR MANUFACTURING COMPOSITE BODY

Resumen de: EP4588561A1

Provided is a composite including molybdenum disulfide and molybdenum trioxide, in which the molybdenum disulfide includes a 3R crystal structure, and the percentage content of a molybdenum trioxide-equivalent value (B) calculated from the molybdenum content determined by XRF analysis of the composite relative to the total mass of the composite is 5 to 90 mass%. Also provided is a catalytic ink including the composite and a solvent. Also provided is a method for producing the composite, including a calcination step of heating molybdenum trioxide in the presence of a sulfur source at a temperature of 400°C or less.

Hydrogen-rich blast furnace ironmaking system based on mass-energy conversion, and production control method therefor

Resumen de: GB2637436A

Provided are a battery management system and method, and a related device. Battery units are controlled to be connected or disconnected in a power supply circuit by using collected operation parameters of the battery units, so that the safety in a battery operation process is improved. The battery management system comprises N first nodes, a second node, and M control switches. The first node is used for generating a first signal and sending the first signal to the second node, wherein the first signal comprises operation parameters of the battery unit corresponding to the first node in the power supply circuit. The second node is used for generating a second signal on the basis of the N first signals from the N first nodes and sending the second signal to the control switches. The control switch is used for controlling, on the basis of the second signal, the battery unit corresponding to the control switch to be connected or disconnected in the power supply circuit.

ELECTROLYSIS SYSTEM AND METHOD FOR OPERATING AN ELECTROLYSIS SYSTEM OF THIS TYPE

Resumen de: AU2023405114A1

The invention relates to an electrolysis system (1) comprising an electrolyser (3) for producing hydrogen (H

HYDROGEN PRODUCTION APPARATUS, ELECTRICAL ENERGY SUPPLY ARRANGEMENT AND METHOD FOR OPERATING A HYDROGEN PRODUCTION APPARATUS

Resumen de: WO2024114990A1

A hydrogen production apparatus (11) for an intermittent power source (2) and/or an electrical grid, comprising: a hydrogen production unit (19) for producing hydrogen gas (12), a first compressor unit (21) for compressing the produced hydrogen gas, a tank (25) for storing the gas compressed by the first compressor unit (21), the tank comprising a first and a second outlet (28, 29), a second compressor unit (30) fluidly connected to the second outlet of the tank (25) for compressing hydrogen gas supplied from the tank, the second compressor unit comprising an outlet (33), and a dispensing unit (34) fluidly connected to both the first outlet of the tank and the outlet of the second compressor unit for dispensing gas from the hydrogen production apparatus. By storing hydrogen gas in the tank, hydrogen gas can be dispensed from the hydrogen production apparatus even in times of low hydrogen production such as low wind speeds.

ELECTROCHEMICAL CELL

Resumen de: CN119908039A

Disclosed is an electrochemical cell 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 cerium oxide 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 mu m or more, and the second bulk electrolyte layer of rare earth doped ceria may have a thickness of 4 mu m or more.

ELECTRODE AND ELECTROCHEMICAL CELL

Resumen de: AU2023342927A1

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.

HYDROGEN PRODUCTION APPARATUS

Resumen de: KR20250111615A

본 발명은 수소생산장치에 관한 것으로, 제1전해질에 접촉하는 제1전극을 구비하는 제1전극모듈, 제1전극의 일 측에 배치되고 제2전해질에 접촉하는 제2전극을 구비하는 제2전극모듈, 제1전극과 제2전극 사이에 배치되고 제1전해질과 제2전해질을 격리하되 이온을 통과시키는 분리막을 포함한다. 제1전극모듈 또는 제2전극모듈 중 적어도 어느 하나는, 전극모듈 바디, 전극모듈 바디의 일 측에 형성되고 전극이 배치되는 전극홀을 포함하고, 제1전극은 전극모듈 바디에 분리 가능하게 결합되는 바, 전극의 손쉽게 교체할 수 있는 수소생산장치에 관한 것이다.

用于将二氧化碳和电力转换成燃料和化学品的方法

Resumen de: NZ793935A

The present invention describes a processes, systems, and catalysts for the conversion of carbon dioxide and water and electricity into low carbon or zero carbon high quality fuels and chemicals. In one aspect, the present invention provides an integrated process for the conversion of a feed stream comprising carbon dioxide to a product stream comprising hydrocarbons between 5 and 24 carbon atoms in length.

HYDROGEN PRODUCTION APPARATUS USING AMMONIA

Resumen de: KR20250111624A

본 발명은 암모니아를 이용한 수소생산장치에 관한 것으로, 제1전해질에 접촉하는 제1전극을 구비하는 제1전극모듈, 제1전극의 일 측에 배치되고 제2전해질에 접촉하는 제2전극을 구비하는 제2전극모듈, 제1전극과 상기 제2전극 사이에 배치되고 제1전해질과 제2전해질을 격리하되 이온을 통과시키는 분리막을 포함하고, 분리막은 다이아프램인 것을 특징으로 하는 바, 충분한 크기의 분리막을 저렴한 비용으로 제조하여 실제 상용화할 수 있는 수소생산장치에 관한 것이다.

SEPARATOR FOR ELECTROCHEMICAL HYDROGEN COMPRESSOR AND ELECTROCHEMICAL HYDROGEN COMPRESSOR INCLUDING SAME

Resumen de: KR20250111478A

본 발명의 실시예에 따른 전기화학적 수소 압축기용 분리판은 바디 플레이트, 바디 플레이트의 일측에 형성되며 제1 깊이를 갖는 공급 유로, 바디 플레이트의 타측에 형성되며 제2 깊이를 갖는 배출 유로, 바디 플레이트에 형성되며 공급 유로와 배출 유로를 연결하는 중간 유로 및 중간 유로와 인접한 중간 유로 사이에 배치되는 적어도 하나 이상의 리브를 포함하며, 제1 깊이와 제2 깊이는 서로 다르게 형성될 수 있다.

双极板、电解电池、电解槽堆叠体以及与之相关联的组装方法

Resumen de: AU2023359480A1

The invention relates to a bipolar plate for an electrolytic cell, the plate comprising, on at least one of its main faces: a first zone running circumferentially; a second zone running circumferentially so as to be bordered on the outside by the first zone; a third zone running circumferentially so as to be bordered on the outside by the second zone, the various zones being arranged on the periphery of the associated main face. The invention also relates to the corresponding cell, electrolyzer cell and assembly method.

アンモニアガス予備加熱機能を有するアンモニア分解反応器

Resumen de: WO2023246668A1

Disclosed in the present invention is an ammonia decomposition reactor having an ammonia preheating function. The reactor comprises a heat exchanger body and a reactor body; the heat exchanger body wraps the outer side of the reactor body; heat exchange tubes on the heat exchanger body are arranged in heat exchange housings; one end of each heat exchange tube is communicated with an ammonia heat exchange inlet, and the other end of the heat exchange tube is communicated with an ammonia heat exchange outlet; a heating agent inlet and a heating agent outlet on the heat exchanger body are respectively communicated with the heat exchange housings; catalyst tubes on the reactor body are arranged in a reaction housing; the ammonia heat exchange outlet on the heat exchanger body is communicated with an ammonia inlet on the reactor body; the ammonia inlet is communicated with an ammonia decomposition gas outlet by means of the catalyst tubes; and the ammonia decomposition gas outlet is communicated with the heating agent inlet on the heat exchanger body. According to the present invention, the reactor is compact in structure, high-temperature gas of an ammonia decomposition gas in the reactor is used as a heat medium of a heat exchanger, and heat is provided for ammonia for preheating, so that ammonia entering the reactor is in a high-temperature state, and the ammonia decomposition reaction in the reactor is more sufficient.

OPERATION METHOD FOR DEHUMIDIFIER DEVICE, CONTROL DEVICE FOR DEHUMIDIFIER DEVICE, DEHUMIDIFIER DEVICE, AND HYDROGEN PRODUCTION FACILITY

Resumen de: WO2025150454A1

Provided is an operation method for a dehumidifier device for dehumidifying hydrogen gas produced by a hydrogen production device. The dehumidifier device comprises; a dehumidifier; a discharge line for discharging hydrogen gas dehumidified by the dehumidifier from the dehumidifier; a dew point measurement line connected to the discharge line; a dew point meter provided on the dew point measurement line; and an inlet valve and an outlet valve provided on opposite sides of the dew point meter on the dew point measurement line. The method includes: a stop step of stopping discharge of the hydrogen gas from the dehumidifier to the discharge line; and a maintenance step of maintaining a state in which a dew point meter installation part including at least a installation place of the dew point meter on the dew point measurement line is filled with dry gas when the discharge of the hydrogen gas from the dehumidifier to the discharge line is stopped.

DIRECT ELECTROLYSIS SEAWATER HYDROGEN PRODUCTION METHOD THAT EFFECTIVELY INHIBITS PRECIPITATION

Resumen de: WO2025148994A1

The present invention provides a direct electrolysis seawater hydrogen production method that effectively inhibits precipitation. In the present invention, natural seawater is used as an electrolyte; an alternating current is applied to an electrode; the polarity of the electrode is periodically and alternately converted between a cathode state and an anode state by utilizing the periodic change of the voltage of the alternating current; and when the electrode is in the anode state, OH- generated by means of a hydrogen evolution reaction in the cathode state is consumed to inhibit precipitation and a catalytic activity decrease of the electrode. The present invention further provides a solution electrolysis hydrogen production method that generates a precipitate under alkaline conditions.

水電解システム及び方法

Resumen de: MX2025000634A

A water electrolysis system including a container; a plurality of microcells located inside the container; the microcells are centered around a central axis of the container; a first bracket located on a first side of the microcells; a second bracket located on a second side of the microcells; a plurality of magnets mounted on the first and the second brackets, the magnets are placed in parallel to the microcells; a liquid inside the container. The first and the second brackets are adapted to be connected to a motor. The first and the second brackets rotate during the electrolysis process. The magnets on the first bracket produce a first magnetic field and the magnets on the second bracket produce a second magnetic field; and the first and the second magnetic fields have opposite polarity.

酸化ナノダイヤモンドを光触媒として用いる水素製造方法

Resumen de: CN119546546A

The invention relates to a method for producing hydrogen by photodissociation of water, comprising at least one step of contacting an aqueous solution with oxidized nanodiamonds under solar, natural or artificial illumination (or light).

VANADIUM-DOPED MANGANESE COBALT SPINEL OXIDE BASED ELECTROCATALYSTS FOR GENERATING HYDROGEN

Resumen de: US2025230555A1

A method of generating hydrogen including applying a potential of −0.1 volts (V) to −1.0 V to an electrochemical cell, and the electrochemical cell is at least partially submerged in an aqueous solution. Further, on the application of the potential, the aqueous solution is reduced, thereby forming hydrogen. The electrochemical cell includes an electrocatalyst and a counter electrode. The electrocatalyst includes a substrate and vanadium-doped manganese spinel oxide microspheres (MnVxCo2-xO4) particles. The value of x is ≤0.4, the MnVxCo2-xO4 particles have a spherical shape, the MnVxCo2-xO4 particles have an average diameter of less than 100 nanometers (nm), and the MnVxCo2-xO4 particles are dispersed on the substrate to form the electrocatalyst.

DURABLE HYDROGEN EVOLUTION ELECTROCATALYST BASED ON 3D TIO2/CU MICRORODS DECORATED WITH NOBLE METAL NANOPARTICLES ON A CU SUBSTRATE

Resumen de: US2025230563A1

The present invention relates to an electrocatalyst comprising a Cu substrate coated with a 3D TiO2/Cu microrods array decorated with nanoparticles of a noble metal, preferably Ru nanoparticles, an electrochemical cell comprising said electrocatalyst and their use for hydrogen production via hydrogen evolution reaction (HER) in basic conditions. The present invention also refers to an in-situ process for the preparation of said electrocatalyst and simultaneous production of hydrogen. The present invention also refers to a process for producing hydrogen which utilizes the electrochemical cell comprising the electrocatalyst according to the invention.

METHOD AND REACTOR SYSTEM FOR SPLITTING WATER AND/OR CARBON DIOXIDE

Resumen de: US2025230040A1

Methods and systems for splitting one or more of water and carbon dioxide are disclosed. Exemplary methods can operate under substantially isothermal conditions. The methods can include use of a material including two or more spinel phases in a solid solution. The solid solution can include oxygen, aluminum, and one or more transition metals.

HYDROCARBON GENERATION SYSTEM AND CARBON DIOXIDE CIRCULATION SYSTEM

Resumen de: US2025230108A1

A hydrocarbon generation system includes a hydrocarbon generator, an electrolyzer, a water vapor supply line, and a heat exchanger. The hydrocarbon generator generates hydrocarbon through an exothermic reaction between a carbon oxide gas and hydrogen. The electrolyzer generates hydrogen from water vapor of raw materials, the generated hydrogen being supplied to the hydrocarbon generator. The water vapor supply line generates the water vapor of the raw materials by evaporating liquid water of the raw materials and supplies the generated water vapor to the electrolyzer. The heat exchanger uses heat of a reaction generated in the hydrocarbon generator to evaporate the liquid water of the raw materials in the water vapor supply line via heat transfer oil.

ELECTROLYZER CELL AND METHODS OF USING AND MANUFACTURING THE SAME

Resumen de: US2025230560A1

An electrolyzer cell comprises a first half cell comprising a housing at least partially enclosing a cell interior, a first electrode coated with a first catalyst coating, wherein the first electrode is coupled to the housing in the cell interior without welding, a second electrode coupled to the housing in the cell interior without welding, and a separator positioned between the first electrode and the second electrode, wherein a voltage is applied between the first electrode and the second electrode.

HYDROGEN PRODUCTION AND CONVEYANCE SYSTEM AND METHOD

Resumen de: US2025230790A1

A system and method by which energy from ocean waves is converted into hydrogen, and that hydrogen is used to manifest electrical and mechanical energies by an energy consuming device. A portion of the generated electrical power is communicated to water electrolyzers which produce oxygen and hydrogen from water as gases. At least a portion of the generated hydrogen gas is transferred to a transportation ship via a hose-carrying, remotely operated (or otherwise unmanned) vehicle, and subsequently transferred to an energy-consuming module or infrastructure, where a portion of the hydrogen is consumed in order to manifest a generation of electrical energy, a mechanical motion, and/or a chemical reaction.

METHOD AND SYSTEM FOR OPTIMIZING AND CONTROLLING COLLABORATIVE OPERATION OF INTEGRATED ENERGY SYSTEM CONTAINING COMPLETE HYDROGEN ENERGY CHAIN

Resumen de: AU2024287197A1

A method for optimizing and controlling collaborative operation of an integrated energy system containing a complete hydrogen energy chain, comprising: building a complete hydrogen energy chain in an integrated energy system, and modeling the built complete hydrogen energy chain considering waste heat utilization of an electrolytic cell, a hydrogen-fired turbine, and a fuel cell and economic benefits achieved by hydrogen production by-products; considering system operation flexibility, hydrogen pipeline expansion, and equipment waste heat utilization based on a traditional power system model, a refined model of the complete hydrogen energy chain, a heat-related equipment model, and performing single objective and multi-objective optimization during solving; and optimizing a connection configuration between the complete hydrogen energy chain and the integrated energy system according to a solved result, and regulating and controlling output quantities of various types of energy between the complete hydrogen energy chain and the integrated energy system. A method for optimizing and controlling collaborative operation of an integrated energy system containing a complete hydrogen energy chain, comprising: building a complete hydrogen energy chain in an integrated energy system, and modeling the built complete hydrogen energy chain considering waste heat utilization of an electrolytic cell, a hydrogen-fired turbine, and a fuel cell and economic benefits achieved by hydrogen produc

WATER ELECTROLYSIS SYSTEM AND METHOD FOR CONTROLLING SAME

Resumen de: AU2024210539A1

In this water electrolysis system, an alternating current (AC)-side connection end of a power converter is connected to an AC power system, at least one electrolytic stack and a series circuit configured by connecting the at least one electrolytic stack to a circuit breaker is connected to a direct current (DC)-side connection end of the power converter, before disconnecting the electrolytic stack from the series circuit, a controller reduces the power flowing to the DC-side connection end while controlling the speed at which the power converter reduces the power flowing to the DC-side connection end to a speed at which a difference from the reference value of the voltage amplitude of the AC power system is less than a predetermined value, and when the circuit breaker reaches a power sufficient to disconnect the internal DC circuit, the controller disconnects the circuit breaker connected to the DC circuit to disconnect the electrolytic stack from the series circuit.

System and method for carbon dioxide reactor control

Resumen de: AU2025204790A1

SYSTEM AND METHOD FORO CARBON DIOXIDE REACTOR CONTROL A system preferably including a carbon dioxide reactor. A method for carbon dioxide reactor control, preferably including selecting carbon dioxide reactor aspects based on a desired output composition, running a carbon dioxide reactor under controlled process conditions to produce a desired output composition, and/or altering the process conditions to alter the output composition. SYSTEM AND METHOD FORO CARBON DIOXIDE REACTOR CONTROL A system preferably including a carbon dioxide reactor. A method for carbon dioxide reactor control, preferably including selecting carbon dioxide reactor aspects based on a desired output composition, running a carbon dioxide reactor under controlled process conditions to produce a desired output composition, and/or altering the process conditions to alter the output composition. un u n s y s t e m p r e f e r a b l y i n c l u d i n g a c a r b o n d i o x i d e r e a c t o r m e t h o d f o r c a r b o n d i o x i d e r e a c t o r c o n t r o l , p r e f e r a b l y i n c l u d i n g s e l e c t i n g c a r b o n d i o x i d e r e a c t o r a s p e c t s b a s e d o n a d e s i r e d o u t p u t c o m p o s i t i o n , r u n n i n g a c a r b o n d i o x i d e r e a c t o r u n d e r c o n t r o l l e d p r o c e s s c o n d i t i o n s t o p r o d u c e a d e s i r e d o u t p u t c o m p o s i t i o n , a n d o r a l t e r i n g t h e p r o c e s s c o n d i t i o n s t o a l t e r t h e

ALKALINE ELECTROLYSIS DEVICE

Resumen de: WO2025149217A1

The present invention relates to an alkaline electrolysis device comprising: - at least one electrolysis cell having a reactor chamber, which has a hydrogen-side reactor-chamber region, containing the aqueous electrolyte, for breaking down the aqueous electrolyte into gaseous hydrogen and has an oxygen-side reactor-chamber region, containing the aqueous electrolyte, for breaking down the aqueous electrolyte into gaseous oxygen; - a hydrogen separator, which is connected to the hydrogen-side reactor-chamber region, for separating the gaseous hydrogen from the aqueous electrolyte introduced into the hydrogen separator; and - an oxygen separator, which is connected to the oxygen-side reactor-chamber region, for separating the gaseous oxygen from the aqueous electrolyte introduced into the oxygen separator; wherein the hydrogen separator comprises a first hydrogen-separator outlet for removing the aqueous electrolyte having a first hydrogen concentration, and a second hydrogen-separator outlet for removing the aqueous electrolyte having a second hydrogen concentration that is lower than the first hydrogen concentration; and wherein the first hydrogen-separator outlet and the second hydrogen-separator outlet can be or are connected to the reactor chamber.

HYDROGEN PRODUCTION SYSTEM AND METHOD OF USING SAME

Resumen de: US2024395434A1

A reactor block to extract hydrogen from water includes a first opening configured to receive gasified water, a second opening, and a reactor plate. A channel is formed in the reactor plate and disposed in a fluid path between the first opening and the second opening and a radioactive coating is applied to the channel. The second opening is configured to eject hydrogen generated by radiolysis of at least a portion of the gasified water received at the first opening and passed through the channel to the second opening.

BIPOLAR PLATE AND ELECTROCHEMICAL CELL

Resumen de: CN119604997A

The invention relates to: a bipolar plate (1); and an electrochemical cell (12) comprising a plurality of such bipolar plates (1, 1 '). The bipolar plate (1) comprises a first half plate (1a) and a second half plate (1b) which are fixedly connected with each other, the bipolar plate (1) is provided with a plurality of fluid channel openings (2), and the fluid channel openings comprise fluid inlet openings (2a, 2c and 2e) and fluid outlet openings (2b, 2d and 2f); on both sides of the bipolar plate (1) there are a first distributor field (3) for distributing the fluid, an active field (4) and a second distributor field (5) for distributing the fluid. At least one seal (6, 6 ') is also present on each side of the bipolar plate (1), the seals (6, 6') being positioned one above the other in at least one transition region (7) between the fluid channel opening (2) and the adjacent distributor field (3, 5) as seen perpendicularly to the plane of expansion of the bipolar plate (1) and being reinforced by embossing structures (9a, 9b).

水素を生成する方法

Resumen de: JP2025106288A

【課題】水素を生成する方法を提供する。【解決手段】水素を生成する方法は、燃料を含む第１のストリームを装置に導入すること、水を含む第２のストリームを装置に導入すること、第２のストリーム中の水を水素に還元すること、および水素を装置から抽出することを含む。第１のストリームおよび第２のストリームは、装置内で互いに接触しない。【選択図】図６Ｂ

空気から二酸化炭素を回収して二酸化炭素を燃料及び化学物質へと直接変換するための方法

Resumen de: US2023373882A1

The invention relates to a process, catalysts, materials for conversion of renewable electricity, air, and water to low or zero carbon fuels and chemicals by the direct capture of carbon dioxide from the atmosphere and the conversion of the carbon dioxide to fuels and chemicals using hydrogen produced by the electrolysis of water.

Elektrolyseur zur alkalischen Wasserstoffelektrolyse

Resumen de: AT527859A1

Elektrolyseur zur alkalischen Wasserstoffelektrolyse, umfassend eine Gleichspannungsquelle, insbesondere einen Gleichrichter (1) mit einem elektrischen Plus-Pol (2) und einem elektrischen Minus-Pol (3), sowie Medienzuleitungen (4) für ein Elektrolysemedium und Medienableitungen (5) für Produktmedien, wobei zwischen dem Plus-Pol (2) und dem Minus-Pol (3) mehrere, über elektrische Verbindungsleitungen (9) in Serie geschaltete Elektrolyseblöcke (6) angeschlossen sind, wobei die Elektrolyseblöcke (6) jeweils eine Vielzahl elektrisch in Serie geschalteter und bündig mechanisch verspannter Elektrolysezellen (7) aufweisen, wobei die Medienzuleitungen (4) und die Medienableitungen (5) jeweils seriell durch die Elektrolyseblöcke (6) verlaufen und sich innerhalb jedes einzelnen Elektrolyseblocks (6) auf individuelle Zellzuleitungen (4‘, 4‘‘) und individuelle Zellableitungen (5‘, 5‘‘) der Elektrolysezellen (7) verteilen.

一种电解制氢系统及其控制方法

Resumen de: CN118461072A

The invention discloses an electrolytic hydrogen production system and a control method thereof. The electrolytic hydrogen production system comprises a plurality of electrolytic cells, the control method comprises the following steps: acquiring a state code of each electrolytic cell; the state code reflects the state information of the electrolytic cell; and controlling the hydrogen production capacity of each electrolytic cell according to each state code. According to the technical scheme, intelligent control over the electrolytic hydrogen production system is achieved, the hydrogen production capacity of all the electrolytic cells is reasonably distributed, and therefore the electrolytic hydrogen production system is in the optimal operation state all the time, and the stability of the electrolytic hydrogen production system and the electrolytic hydrogen production efficiency can be improved.

用于将元件堆叠体连结在一起的方法

Resumen de: AU2023359478A1

The invention relates to a method for joining a stack of elements together, the method comprising the steps of: individually joining subassemblies of the elements together; joining the subassemblies together by arranging a joint between each subassembly to form the stack of elements; applying consecutive phases of heating and cooling to the stack of elements while applying at least one clamping action to the stack of elements between two different phases of heating and cooling.

Hydrogen production system linked to nuclear power plant

Resumen de: WO2025146950A1

The present invention relates to a system for producing hydrogen while interworking with a nuclear power plant, the system comprising: a water electrolysis facility for producing hydrogen and oxygen by using vapor supplied from a nuclear power plant; and a power supply controller for selecting at least one reactor module from multiple reactor modules for hydrogen production by the water electrolysis facility, and selecting at least one from multiple generators or power grids such that power is supplied therefrom to the water electrolysis facility. According to an embodiment, power and hydrogen can be simultaneously produced. Particularly, hydrogen can be produced continuously in an economical and effective manner by selecting an optimal reactor module from multiple reactor modules for hydrogen production and by selecting an optimal power supply source from various power sources.

METHODS AND SYSTEMS FOR ENHANCING METHANOGENESIS FOR SUBSURFACE METHANE PRODUCTION OPTIMIZATION

Resumen de: US2025223539A1

A method for optimal production of methane from a storage horizon configured as an underground bioreactor, the method including obtaining environmental data for a renewable energy facility that produces hydrogen and obtaining process data from an industrial facility that produces carbon dioxide. The method further includes injecting the produced hydrogen, the produced carbon dioxide, and a selection of microbes, the selection defined by a set of microbe parameters, into the bioreactor. The bioreactor produces a quantity of methane that is controlled by, at least in part, a set of operation parameters. The method further includes determining, with a composite artificial intelligence model, a predicted methane production from the bioreactor based on the environmental data, the process data, the set of microbe parameters, and the set of operation parameters and adjusting, automatically, the set of operation parameters and the set of microbe parameters to optimize methane production.

Microbial Conversion of CO2 and Other C1 Substrates to Vegan Nutrients, Fertilizers, Biostimulants, and Systems for Accelerated Soil Carbon Sequestration

Resumen de: US2025223547A1

Microorganisms and bioprocesses are provided that convert gaseous substrates, such as renewable H2 and waste CO2 producer gas, or syngas into high-protein biomass that may be used directly for human nutrition, or as a nutrient for plants, fungi, or other microorganisms, or as a source of soil carbon, nitrogen, and other mineral nutrients. Renewable H2 used in the processes described herein may be generated by electrolysis using solar or wind power. Producer gas used in the processes described herein may be derived from sources that include gasification of waste feedstock and/or biomass residue, waste gas from industrial processes, or natural gas, biogas, or landfill gas.

LOW-CAPACITY HIGH-PRESSURE ELECTROLYSIS DEVICE

Resumen de: AU2023417560A1

A small scale high-pressure electrolyzer for generating hydrogen and oxygen is provided comprising one or more units each comprising a plurality of high-pressure electrolytic cells, wherein the electrolytic cells of each unit are electrically connected in series, as well as a central electrolyt header, functionally connected to each electrolytic cell for the supply of liquid electrolyt to the cell; a central hydrogen header connected to each electrolytic cell for the discharge of generated hydrogen from the cell; a central oxygen header connected to each electrolytic cell for the discharge of generated oxygen from the cell; a direct current power source for the power supply to each unit of serially connected electrolytic cells; wherein the units of serially connected electrolytic cells are electrically connected in parallel.

AN ELECTROLYSIS CELL ELEMENT, AN ELECTROLYSIS CELL STACK, AND USE OF AN ELECTROLYSIS CELL STACK

Resumen de: DK202370641A1

0083 Disclosed is an electrolysis cell element (1) comprising, a support structure (2) comprising an inner aperture (3), and a bipolar plate (4) being suspended in the inner aperture (3). The support structure (2) comprises a structure core (5) and a coating (6), wherein the coating (6) includes a thermoplastic material at least partly enclosing the structure core (5) and wherein the bipolar plate (4) is suspended in the inner aperture (3) by means of the coating (6). 0084 An electrolysis cell stack (10) and use of an electrolysis cell stack (10) is also disclosed.

Microbial Conversion of CO2 and Other C1 Substrates to Vegan Nutrients, Fertilizers, Biostimulants, and Systems for Accelerated Soil Carbon Sequestration

Resumen de: US2025223546A1

Microorganisms and bioprocesses are provided that convert gaseous substrates, such as renewable H2 and waste CO2 producer gas, or syngas into high-protein biomass that may be used directly for human nutrition, or as a nutrient for plants, fungi, or other microorganisms, or as a source of soil carbon, nitrogen, and other mineral nutrients. Renewable H2 used in the processes described herein may be generated by electrolysis using solar or wind power. Producer gas used in the processes described herein may be derived from sources that include gasification of waste feedstock and/or biomass residue, waste gas from industrial processes, or natural gas, biogas, or landfill gas.

ELECTROCHEMICAL CELL FOR A HIGH-PRESSURE ELECTROLYSER

Resumen de: US2025223713A1

An electrochemical cell for a high-pressure electrolyzer contains a closed cell frame made of a high-pressure-resistant first material; an electrochemical reaction region, which is arranged completely inside the cell frame and contains an anodic half-cell and a cathodic half-cell; a gap, which spatially separates the reaction region from the cell frame; and a second material introduced into the gap. The second material is an electrical insulator, and the second material has a lower diffusion coefficient with respect to the entry of foreign ions into the reaction region. A plurality of the electrochemical cells are used to form a cell stack and the cell stack is used to form a high-pressure electrolyzer.

HYDROGEN ISOTOPE TRANSPORT DEVICE AND HYDROGEN ISOTOPE TRANSPORT METHOD

Resumen de: US2025223714A1

Provided are a proton conductor 2 obtained by molding a solid electrolyte ceramic using hydrogen ions or ions containing hydrogen as charge carriers into a flat plate shape or a curved surface shape; a pair of hydrogen permeable electrode bodies 31 and 32 that have hydrogen permeability and conductivity and are formed of a solid that is airtight to gases other than hydrogen, and are arranged so as to sandwich the hydrogen ion conductive solid; a pair of media 41 and 42 arranged so as to sandwich the proton conductor 2 and the pair of hydrogen permeable electrode bodies 31 and 32; and a power supply 5 that applies a voltage between the pair of hydrogen permeable electrode bodies 31 and 32 to induce a current.

Portable Hydrogen Gas Stove (Hydro Stove)

Resumen de: AU2023285998A1

The present invention provides a portable 12-volt system for cooking/heating, utilising hydrogen gas. The said stove runs from a 12-volt battery supply, hydrogen is not stored - the gas is only produced on demand. The concept developed is a one-off functional prototype to demonstrate proof of concept. The proof of concept demonstrates the ability to produce hydrogen gas flames from a 12-volt power source, to be used as a cooking or heating output. The accompanied drawings are the latest iteration post physical prototype development. The present invention provides a portable 12-volt system for cooking/heating, utilising hydrogen gas. The said stove runs from a 12-volt battery supply, hydrogen is not stored - the gas is only produced on demand. The concept developed is a one-off functional prototype to demonstrate proof of concept. The proof of concept demonstrates the ability to produce hydrogen gas flames from a 12-volt power source, to be used as a cooking or heating output. The accompanied drawings are the latest iteration post physical prototype development. ec h e p r e s e n t i n v e n t i o n p r o v i d e s a p o r t a b l e - v o l t s y s t e m f o r c o o k i n g h e a t i n g , u t i l i s i n g h y d r o g e n g a s h e s a i d s t o v e r u n s f r o m a - v o l t b a t t e r y s u p p l y , h y d r o g e n i s n o t s t o r e d - t h e e c g a s i s o n l y p r o d u c e d o n d e m a n d h e c o n c e p t d e v e l o p e d i s a o n e - o f f f u n c t i o n a

Electrolyser System for an Intermittent Electricity Supply

Resumen de: AU2024211141A1

The invention provides an electrolyser system (10) comprising a heat storage unit (14) and an electrolyser (16). The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.

電解槽の電流効率を推定するためのシステム及び方法

Resumen de: AU2023303893A1

An estimation system for estimating current efficiency of an electrolyser comprises a data processing system (105) for computing heat loss of the electrolyser based on specific heat capacity of electrolyte, a flow rate of the electrolyte in a cathode side of the electrolyser, a flow rate of the electrolyte in an anode side, a temperature difference (T1c - T0c) between electrolyte circulation outlet and inlet of the cathode side, and a temperature difference (T1a - T0a) between electrolyte circulation outlet and inlet of the anode side. The current efficiency is estimated based on a difference between electric power supplied to the electrolyser and the computed estimate of the heat loss, and on a product of thermoneutral voltage of electrolysis cells of the electrolyser and electric current supplied to the electrolyser.

ＳＯＥプラントと固体酸化物電解を行うための方法

Resumen de: CN119497764A

The present invention relates to a method for operating a high temperature solid oxide electrolysis system suitable for converting a fuel stream into a product stream and a system for implementing the method. The method includes drying the moist purge gas and using the waste purge gas as a regeneration gas in the drying unit.

水素製造セル及び水素製造セルを用いた水素製造方法

Resumen de: JP2024023781A

To provide a hydrogen production cell of which a thickness per cell is reduced as compared with a conventional one.SOLUTION: A hydrogen side current collector 12 and an oxygen side current collector 13 are arranged on both sides of an electrolyte membrane 11. A separator 14 with a flat surface is arranged outside the hydrogen side current collector 12. A flow passage forming plate 15 and a separator 16 are arranged outside the oxygen side current collector 13. Since a flow passage dedicated for collecting water and a hydrogen gas generated when electrolysis is performed is not formed between the hydrogen side current collector 12 and the separator 16, the thickness of the cell itself can be reduced. These reaction fluids generated during the electrolysis are discharged from the inside of the hydrogen side current collector 12.SELECTED DRAWING: Figure 3

CARBON NITRIDES WITH HIGHLY CRYSTALLINE FRAMEWORK AND PROCESS FOR PRODUCING SAME

Resumen de: US2025223163A1

A highly crystalline mesoporous sulphur functionalized carbon nitride and a process for producing the same. The process including the steps of: providing a carbon nitride precursor material; mixing the carbon nitride precursor material with a metal salt to form a first mixture; and, thermally treating the first mixture to produce the crystalline carbon nitride.

BIPOLAR GREEN HYDROGEN PRODUCTION FROM ELECTROREFORMING OF BIOMASS DERIVATIVES USING SILVER-BASED ELECTROCATALYST

Resumen de: WO2025147215A1

The present disclosure relates to a bipolar hydrogen production system and a method for producing hydrogen gas from the bipolar hydrogen production system. The system comprises a silver-based anodic catalyst deposited on an anode electrode, a cathode electrode, and an alkaline electrolyte containing an organic compound with aldehyde functional group extracted from lignocellulosic biomass waste or an aldehyde-containing chemical compound extracted from chemical waste.

HYDROGEN GENERATION SYSTEM AND HYDROGEN GENERATION METHOD

Resumen de: US2025223707A1

Provided is a power generation system (100) comprising: a gas turbine (10) for combusting air compressed by a compressor (11) and a fuel gas using a combustor (12) to generate combustion gas and drive a turbine (13) and a compressor connected to the turbine using the combustion gas; a heat storage structure (30) heated by the combustion gas with which the turbine is driven; a boiler (40) for generating steam using heat stored in the heat storage structure (30); and a solid oxide electrolytic cell (50) having a hydrogen electrode (51), an oxygen electrode (52), and an electrolyte layer (53) positioned between the hydrogen electrode and the oxygen electrode, the solid oxide electrolytic cell (50) supplying steam generated by the boiler (40) to the hydrogen electrode (51) to generate hydrogen through steam electrolysis.

SYSTEM FOR PRODUCING HYDROGEN WHILE INTERWORKING WITH NUCLEAR POWER PLANT

Resumen de: WO2025146950A1

The present invention relates to a system for producing hydrogen while interworking with a nuclear power plant, the system comprising: a water electrolysis facility for producing hydrogen and oxygen by using vapor supplied from a nuclear power plant; and a power supply controller for selecting at least one reactor module from multiple reactor modules for hydrogen production by the water electrolysis facility, and selecting at least one from multiple generators or power grids such that power is supplied therefrom to the water electrolysis facility. According to an embodiment, power and hydrogen can be simultaneously produced. Particularly, hydrogen can be produced continuously in an economical and effective manner by selecting an optimal reactor module from multiple reactor modules for hydrogen production and by selecting an optimal power supply source from various power sources.

PHOTOELECTRIC CELL WITH SILICON CARBIDE ELECTRODE AND PRODUCTION METHOD FOR SAME

Resumen de: AU2023331556A1

The invention relates to a photoelectric cell with a silicon carbide electrode (4) for photocatalytic production of hydrogen and to a production method for same. The cell has, on one side of the silicon carbide electrode (4), a window (2) for letting in light (5) and, on the other side of the silicon carbide electrode (4), an aqueous electrolyte (10) and a counter electrode (6). The cell is electrolyte-free on the side of the silicon carbide electrode (4) facing the window. The silicon carbide electrode (4) is preferably produced by coating a substrate (3) with silicon carbide (4).

A MEMBRANE ELECTRODE ASSEMBLY

Resumen de: CN119866395A

A membrane electrode assembly (MEA) for generating hydrogen gas in a water electrolyser is provided. The MEA comprises a polymer electrolyte membrane (REM); a cathode comprising a cathode catalyst on a first side of the REM; an anode comprising an anode catalyst on a second side of the REM; and a platinum-ruthenium (Pt-Ru) catalyst on a second side of the REM to electrochemically convert hydrogen to hydrogen cations in use. The Pt-Ru catalyst is in electrical contact with the anode and in contact with the REM ions.

A METHOD FOR COATING A COMPONENT OF AN ELECTROLYSER

Resumen de: CN119866392A

A coating method for an electrolytic cell assembly is provided. The method includes coating at least a portion of the component with an acidic solution of platinum cations, and reducing the coated platinum cations with a reducing agent to form a layer of platinum metal on the component.

DIRECT AIR ELECTROLYSIS HYDROGEN PRODUCTION SYSTEM

Resumen de: EP4582589A1

The present application belongs to the technical field of electrolytic hydrogen production, and particularly relates to a direct air electrolytic hydrogen production system. The system comprises an energy supply module, an electrolytic hydrogen production module, an electrolyte recycling module and a moisture vapor self-trapping module, wherein the energy supply module is connected to the electrolytic hydrogen production module; the electrolytic hydrogen production module comprises an electrolyzer; and the electrolyte recycling module is connected to the electrolytic hydrogen production module and the moisture vapor self-trapping module separately. The system may realize direct air electrolytic hydrogen production, while its energy consumption for electrolysis is comparable to that of industrial pure water electrolysis for hydrogen production, without additional energy consumption for desalination/purification of impure water solutions or for harvesting moisture from the air. The system greatly broadens the range of hydrogen energy sources without time and space limitation, providing technical support for future distributed hydrogen energy arrangement.

ALKALINE WATER ELECTROLYSIS APPARATUS

Resumen de: EP4582592A1

An alkaline water electrolysis apparatus includes: a separation membrane including a first main surface and a second main surface opposite to the first main surface; a first electrode including a third main surface and a fourth main surface opposite to the third main surface, the third main surface being provided to face the first main surface of the separation membrane; and a first bipolar plate including a fifth main surface, the fifth main surface being provided in contact with the fourth main surface of the first electrode, wherein the first electrode consists of a first metal porous body having a three-dimensional mesh structure.

MEMBRANE ELECTRODE ASSEMBLY FOR WATER ELECTROLYSIS TANK

Resumen de: EP4582593A1

A membrane electrode assembly 6 for a water electrolysis cell includes a polymer electrolyte membrane 1 having a first main surface 1A and a second main surface 1B, a first electrode catalytic layer 2 disposed to the first main surface 1A of the polymer electrolyte membrane 1, a second electrode catalytic layer 3 disposed to the second main surface 1B of the polymer electrolyte membrane 1, an annular outer peripheral film 4 disposed to surround an outer peripheral surface of the polymer electrolyte membrane 1, and a first adhesive film 5A having a substrate layer 51 and an adhesive agent layer 52. The first main surface 1A of the polymer electrolyte membrane 1 has a first annular non-covered section 1AN that is not covered with the first electrode catalytic layer 2 along an outer periphery of the first main surface, and the adhesive agent layer 52 of the first adhesive film 5Ais adhered to the first annular non-covered section 1AN of the polymer electrolyte membrane 1 and to a main surface 4A of the outer peripheral film 4 at the same side as the first main surface 1A of the polymer electrolyte membrane 1.

ALKALINE WATER ELECTROLYSIS DEVICE COMPRISING METAL PARTICLE FLUIDIC ELECTRODE

Resumen de: EP4582594A1

The present invention discloses a water electrolysis device including a metal particle fluidic electrode. The water electrolysis device of the present invention includes a cathode; a first fluid channel formed on the cathode; a cation exchange membrane (CEM) formed on the first fluid channel; a second fluid channel formed on the cation exchange membrane; and an anode formed on the second fluid channel, wherein the second fluid channel includes metal particles and is used as a metal particle fluidic electrode.

System for producing compressed Hydrogen

Resumen de: GB2636962A

An electrolyser system (10) and a method of operating an electrolyser system (10), the electrolyser system (10) comprising an electrolyzer (16) and a metal hydride or adsorption-desorption compressor (24), where the electrolyser (16) has at least one electrolyser cell with a steam input (22) and at least one gas output. The method comprises supplying steam through a first side of the electrolyser cell at the steam input (22), operating the electrolyser (16) to split part of the steam into hydrogen and oxygen in the at least one electrolyser cell, venting a mixture of the hydrogen and the remaining steam from the first side of the electrolyser cell at the at least one gas output (18), passing the mixture into the metal hydride or adsorption-desorption compressor (24), and cryo-adsorbing the hydrogen of the mixture in the metal hydride or 15 adsorption-desorption compressor (24) to compress the hydrogen and desorbing the compressed hydrogen from the metal hydride or adsorption-desorption compressor (24). The electrolyser system (10) is connected to a source of cold waste gas to operate the cryo-adsorption.

电解设备以及用于运行电解设备的方法

Resumen de: AU2023405114A1

The invention relates to an electrolysis system (1) comprising an electrolyser (3) for producing hydrogen (H

電磁流体力学的電気パワー発生器

Resumen de: AU2024200214A1

MAGNETOHYDRODYNAMIC ELECTRIC POWER GENERATOR A power generator that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for the catalysis of atomic hydrogen to form hydrinos identifiable by unique analytical and spectroscopic signatures, (ii) a reaction mixture comprising at least two components chosen from: a source of H20 catalyst or H20 catalyst; a source of atomic hydrogen or atomic hydrogen; reactants to form the source of H20 catalyst or H20 catalyst and a source of atomic hydrogen or atomic hydrogen; and a molten metal to cause the reaction mixture to be highly conductive, (iii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that causes a plurality of molten metal streams to intersect, (iv) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the plurality of intersected molten metal streams to ignite a plasma to initiate rapid kinetics of the hydrino reaction and an energy gain due to forming hydrinos, (v) a source of H2 and 0 2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter.

電磁流体発電機

Resumen de: TW202507200A

A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream to the reaction cell and at least one reservoir that receives the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one stream of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H2 and O2 supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high-power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter.

電解装置を用いて水素及び酸素を生成する方法

Resumen de: US2023023539A1

A method for generating hydrogen and oxygen using an electrolyzer, including at least one anode chamber having an anode and at least one cathode chamber having a cathode, wherein the at least one anode and the at least one cathode are energized by a modulated current and the generation of hydrogen and oxygen takes place within the electrolyzer using a defined pulse pattern sequence, which is formed from at least one pulse pattern.

放出を減らした鋼または溶鉄含有材料を生産する方法及びシステム

Resumen de: US2022235426A1

Methods and systems for producing steel or similar molten-iron-containing materials in melting or smelting furnaces utilizing pre-reduced iron ore, known also as direct reduced iron (DRI) or sponge iron, wherein the emission of CO2 and other greenhouse gases is significantly low. Such methods and systems are based on producing DRI in a direct reduction furnace with a reducing gas comprising hydrogen; melting at least a portion of the DRI in a melting furnace in order to generate hot gases; producing steam and/or hot water using the heat contained in the hot gases. From the steam and/or hot water hydrogen is produced by electrolysis, at least a portion of which is fed to the direct reduction furnace as a component of the reducing gas to produce the DRI.

전해조 형성용 셀, 상기 셀을 포함하는 전해조, 전해조 제조 및 작동 방법

Resumen de: AU2023374771A1

Cell for forming an electrolyser comprising at least one diaphragm or membrane having a first side and a second side opposite the first side, a first cell plate, arranged on the first side of the diaphragm, provided with a first electrode, provided with an inlet channel for supplying or draining electrolyte to or from the electrode, provided with a first discharge channel for discharging oxygen from the electrode, at least one second cell plate, arranged on the second side of the diaphragm, provided with a second electrode and provided with a second discharge channel for discharging hydrogen from the electrode wherein the at least one first and second cell plate are made of a polymer material.

AEM电解槽

Resumen de: CN115976552A

The invention provides an electrolytic bath which comprises a cathode end plate, a cathode insulating layer, an electrolytic unit, an anode insulating layer and an anode end plate which are sequentially arranged in the same direction, and the electrolytic unit comprises small electrolytic chambers which are arranged in series; from the cathode insulating layer to the anode insulating layer, each small electrolysis chamber comprises a cathode plate, a cathode sealing ring, a cathode gas diffusion layer, a diaphragm, an anode gas diffusion layer, an anode sealing ring and an anode plate which are sequentially arranged, and the cathode plates and the anode plates at the series connection parts between the small electrolysis chambers are combined to form a bipolar plate; the cathode plate comprises a cathode surface, the anode plate comprises an anode surface, the bipolar plate comprises a cathode surface and an anode surface, the cathode surface and the anode surface are provided with a concave area and an outer frame area, the outer frame area surrounds the concave area, the concave area is respectively provided with two confluence runners, and a branch runner is arranged between the two confluence runners; and the two ends of the branch flow channel are communicated with the confluence flow channel. According to the scheme, uniform diffusion of the electrolyte is realized.

Water electrolysis system that suppress oxidation of hydrogen generating electrode catalyst

Resumen de: KR20250102672A

본 발명은 수소발생전극 촉매의 산화를 억제하는 수전해 시스템에 관한 것으로, 본 발명에 따르면, 수소발생전극 및 전해질을 포함하는 수소발생부와, 산소발생전극 및 전해질을 포함하는 산소발생부와, 상기 수소발생부와 산소발생부 사이에 위치하는 분리막과, 상기 수소발생부와 산소발생부의 전극들에 전원을 공급하는 전원공급장치를 포함하는 수전해 시스템에서, 수소발생부의 전해질로서 알카라인 전해질 또는 중성 전해질에 저가의 소재인 아황산염을 포함하는 첨가제를 첨가함으로써, 분리막을 통해 크로스오버된 산소 분자 또는 상기 수소발생부의 전해질 내에 용존하는 산소 분자와 아황산염이 우선 반응하여 수소발생전극의 산화를 억제하여, 이로 인한 수소발생전극 촉매의 열화를 감소시켜 수소 생산 효율 및 수소발생전극의 수명을 증가시킬 수 있다.

PURIFICATION METHOD OF HYDROGEN GAS PURIFICATION SYSTEM OF HYDROGEN GAS REFORMING METHOD OF HYDROGEN GAS AND REFORMING SYSTEM OF HYDROGEN GAS

Resumen de: WO2025143640A1

Disclosed is a hydrogen gas purification method for increasing the recovery rate and purity of purified hydrogen gas. According to one aspect, provided is a hydrogen gas purification method comprising purifying a mixed gas produced by an electrolysis method and containing chlorine gas and hydrogen gas.

工具のためのガス発生器、ガス発生器の使用及びガス発生器を備えた工具

Resumen de: WO2024240539A1

The invention discloses a gas generator (20) for a tool comprising an electrolytic cell (30) for producing oxyhydrogen gas with a hollow cell body (31) and an electrode pair (32) with a first electrode (33) and a second electrode (35). Said first electrode (33) and said second electrode (35) are separated by a non-conductive separator (37) in said hollow cell body (31). A gas extraction tube (55) is arranged in the hollow cell body (31). Furthermore, said invention disclose a usage of such a gas generator in a tool and a tool with such a gas generator.

固态电化学装置

Resumen de: WO2024150467A1

Provided is a solid electrochemical device comprising: a solid electrolyte which has a first main surface and a second main surface that is opposite from the first main surface; a first electrode which has a third main surface and a fourth main surface that is opposite from the third main surface and which is provided such that the third main surface faces the first main surface; a first current collector which has a fifth main surface and a sixth main surface that is opposite from the fifth main surface and which is provided such that the fifth main surface faces the fourth main surface; and a first interconnector which has a seventh main surface and which is provided such that the seventh main surface faces the sixth main surface, wherein the seventh main surface of the first interconnector is a flat surface, the first current collector includes a first porous metal body that has a three-dimensional network structure, and the fifth main surface has a plurality of first through-holes that are formed so as to extend along a first direction from the fifth main surface to the sixth main surface.

- - Wireless Photovoltaic-Electrochemical System with Enhanced Solar-to-Hydrogen Conversion Efficiency

Resumen de: KR20250101425A

본 발명은 태양-수소 변환 효율이 향상된 무선 광전지-전기화학 시스템에 관한 것으로서, 태양광을 이용하여 발전하는 태양전지부, 태양전지부에 연결된 애노드 전극부, 및 태양전지부에 연결된 캐소드 전극부를 포함하며, 애노드 전극부는 CuNiFe-LDH를 포함하도록 구성되고, 캐소드 전극부는 NiFe2O4를 포함하도록 구성된다. 또한, 태양전지부는 비정질 실리콘(a-Si:H)/a-Si:H/미세결정 실리콘(μc-Si:H)의 삼원접합 박막 태양전지를 포함하여 구성될 수 있다. 본 발명에 따른 무선 광전지-전기화학 시스템은 우수하고 안정적인 작동 및 유망한 효율과 내구성을 보이면서도 높은 수소 생산량을 나타낼 수 있다. 구체적인 예로서, 비정질 실리콘(a-Si:H)/a-Si:H/미결정 실리콘(μc-Si:H) 삼원접합 박막 태양전지에 CuNiFe-LDH/Ni 섬유 종이(NFP) 양극 및 NiFe2O4/NFP 음극을 결합하여, 11.08%의 태양광-수소(STH) 효율을 달성하였다.

TRANSFORMER COUPLED MODULAR MULTILEVEL CONVERTER AS RECTIFIER FOR HYDROGEN ELECTROLYSER

Resumen de: US2025219549A1

A system comprises at least one transformer for galvanically isolating the system from an electrical power grid and adapting an input voltage level associated with an alternating current received from the electrical power grid. A converter unit connected to the transformer is configured to convert the alternating current into a direct current output between a positive pole and a negative pole. The converter unit comprises at least one modular multilevel converter comprising at least two converter branches. Each branch comprises a converter cell and an inductor. One branch is connected from an AC line of the transformer to the positive pole and another branch is connected from the AC line to the negative pole. An electrolyser unit may be arranged between the positive and negative poles, and a control unit may be configured to control the direct current output based on a reference value.

METHODS TO PROVIDE ELECTRIC POWER FROM RENEWABLE ENERGY EQUIPMENT TO AN ELECTRICAL LOAD

Resumen de: US2025219421A1

An HVDC system comprising an AC/DC converter sub-system electrically connected to a renewable energy equipment and a VSC sub-system is provided. A method comprises operating the renewable energy equipment to function as a voltage source to energize an HVDC link between the AC/DC converter sub-system and the VSC sub-system; operating the VSC sub-system as a voltage source to energize an electrical load electrically connected thereto; if it is determined the power production rate of the renewable energy equipment is not within a designated parameter, operating the equipment to follow the VSC sub-system such that controlling the AC electric power output influences the power production rate. If it is within the designated parameter, operating the VSC sub-system to follow the renewable energy equipment such that the VSC sub-system adjusts the properties of its AC electric output to match the properties of the electric power generated by the renewable energy equipment.

Thermally integrated process for the production of liquid fuels with a solid oxide electrolyzer

Resumen de: US2025215331A1

Production of fuels from low carbon electricity and from carbon dioxide by the use of a solid oxide electrolysis cell (SOEC) and Fischer-Tropsch is shown. Fischer-Tropsch is an exothermic reaction that can be used to produce steam. Steam produced from the Liquid Fuel Production (LFP) reactor system, where the Fischer-Tropsch reaction occurs, is used as feed to the SOEC. The higher temperature steam improves the efficiency of the overall electrolysis system. The integration of the LFP steam improves the efficiency of the electrolysis because the heat of vaporization for the liquid water does not have to be supplied by the electrolyzer.

PLANT AND METHOD FOR TREATING SULPHIDE-CONTAINING GASES AND FOR RECOVERING SULPHUR BY HIGH-TEMPERATURE ELECTROLYSIS UNIT COUPLING

Resumen de: WO2025141013A1

The invention relates to a plant for treating gases containing hydrogen sulphide (H2S), the plant comprising: - a Claus-type sulphur recovery unit (1), the sulphur recovery unit (1) receiving, as input: a first stream comprising a gas containing H2S and a second stream comprising a gas that comprises O2; - a high-temperature steam electrolysis unit receiving, as input, a first stream comprising water vapour and supplying, as output, a second stream comprising O2 gas and a third stream comprising H2 gas. The invention is characterised in that the plant further comprises a water vapour forming unit (3) comprising means for recovering the heat from the sulphur recovery unit (1), this heat being used to produce at least some of the water vapour of the first stream received by the electrolysis unit.

CATALYST, IN PARTICULAR FOR CRACKING AMMONIA, METHOD FOR PREPARING THE CATALYST AND METHOD FOR SYNTHESISING HYDROGEN

Resumen de: WO2025141005A1

The invention relates to a catalyst for the decomposition of ammonia into hydrogen and nitrogen, wherein the catalyst comprises at least ruthenium, mesoporous cerium oxide and at least one oxide selected from among cobalt, nickel and iron oxides, preferably nickel oxide, and to a method for producing hydrogen from ammonia comprising the following steps in this order: activating at least one catalyst according to the invention at a temperature ranging from 300°C to 600°C under a stream of a reducing gas; bringing the activated catalyst into contact with a gas to be treated comprising ammonia at a temperature ranging from 200°C to 800°C, and at a pressure ranging from atmospheric pressure to 100 bar.

Elektrolysesystem zur Gewinnung von Wasserstoff und Verfahren zum Betreiben desselben

Resumen de: DE102024126314A1

Elektrolysesystem (20) zur Gewinnung von Wasserstoff, mit mindestens einer Elektrolysevorrichtung (23), die zur Gewinnung des Wasserstoffs aus Prozesswasser mit Hilfe von elektrischem Strom eingerichtet, mit einem von dem Prozesswasser durchströmten Prozesswasserkreislauf (21), in den zusätzlich zu der mindestens einen Elektrolysevorrichtung (23) ein Wärmetauscher (24) eingebunden ist, der ferner in einen Kühlwasserkreislauf (22) eingebunden ist, und der eingerichtet ist, das Prozesswasser dadurch bedarfsweise zu kühlen, dass Wärme des Prozesswassers über den Wärmetauscher (24) auf durch den Kühlwasserkreislauf strömendes Kühlwasser übertragbar ist, wobei dem Prozesswasserkreislauf (21) ferner mindestens eine Heizeinrichtung (26) zugeordnet ist, die eingerichtet ist, das Prozesswasser bedarfsweise zu erwärmen.

Emergency detection system for hydrogen extraction system

Resumen de: KR20250100494A

본 발명은 암모니아를 전기분해하여 수소를 추출하는 수소 추출 시스템, 상기 수소 추출 시스템의 외부에 장착되어 가스 누출을 감지하는 가스 감지기, 상기 가스 감지 시스템과 연동되어 가스 누출 여부를 표시하는 가스 누출 표시기, 및 상기 가스 감지 시스템으로부터 가스 누출 신호를 전달받아 수소 추출 시스템의 작동을 비상 정지시키는 제어기를 포함하는 비상 감지 시스템에 관한 것이다.

Hydrogen production system with unreacted ammonia removal device

Resumen de: KR20250100495A

본 발명은 암모니아 전기분해를 이용한 수소 생산 시스템에 있어서, 상기 수소 생산 시스템은 암모니아가 공급되는 혼합기; 상기 혼합기로부터 전달받은 암모니아를 수소와 질소로 전기분해하는 전해 셀; 및 상기 수소 및 상기 질소에 포함된 암모니아를 분리하는 하나 이상의 유체 분리기를 포함하며, 상기 유체 분리기 내의 미반응 암모니아 기체를 물에 용해시켜 외부로 배출하는 암모니아 제거 장치가 구비되어 안정성이 향상된 수소 생산 시스템에 관한 것이다.

HYDROGEN GAS PURIFICATION METHOD, HYDROGEN GAS PURIFICATION SYSTEM, HYDROGEN GAS REGENERATION METHOD, AND HYDROGEN GAS REGENERATION SYSTEM

Resumen de: WO2025143640A1

Disclosed is a hydrogen gas purification method for increasing the recovery rate and purity of purified hydrogen gas. According to one aspect, provided is a hydrogen gas purification method comprising purifying a mixed gas produced by an electrolysis method and containing chlorine gas and hydrogen gas.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, AND HYDROGEN PRODUCTION METHOD

Resumen de: WO2025143151A1

Provided are a solid polymer electrolyte membrane having superior chemical durability, a membrane electrode assembly, and a water electrolysis device.　The solid polymer electrolyte membrane according to the present disclosure comprises: a first membrane that contains a fluorine-containing polymer having an ion exchange group, and cerium oxide; and a second membrane that contains a fluorine-containing polymer having an ion exchange group and has a cerium oxide concentration lower than that of the first membrane. When the ratio of the thickness of the first membrane to the total thickness of the first membrane and the second membrane at an end part of the solid polymer electrolyte membrane is defined as ratio X, and the ratio of the thickness of the first membrane to the total thickness of the first membrane and the second membrane at the center of the solid polymer electrolyte membrane is defined as ratio Y, ratio X is greater than ratio Y.

HYDROGEN ELECTROCHEMICAL SYSTEM, METHOD FOR DETERMINING STATE OF HYDROGEN CELL STACK, AND PROGRAM

Resumen de: WO2025142931A1

In the present invention, a hydrogen electrochemical system 100 comprises an acquisition unit 541, a storage unit 53, and a determination unit 544. The acquisition unit 541 acquires at least distribution information Ds2, De2, and Dt2 indicating the distribution of a physical quantity Q in a hydrogen cell stack 1. In the hydrogen cell stack 1, water is generated by an electrochemical reaction in which hydrogen is used, or vice versa. The storage unit 53 stores correlation data Dc. The correlation data Dc indicates a correlation between the state of the hydrogen cell stack 1 and a feature amount φ that is converted from at least the information Ds2 and De2 regarding the distribution in the hydrogen cell stack 1 in a state including a normal state and one or more abnormal states. On the basis of the correlation information Dc, the determination unit 544 determines the state of the hydrogen cell stack 1 from at least the distribution information Dt2 of the hydrogen cell stack 1 in operation.

METHANOL PRODUCTION METHOD AND METHANOL PRODUCTION DEVICE

Resumen de: WO2025142740A1

A methanol production method comprising: a step (A) for acquiring a synthesis gas comprising at least carbon dioxide and hydrogen; a step (B) for reacting the synthesis gas in the presence of a catalyst to obtain a methanol mixture; a step (C) for distilling the methanol mixture to separate out each of methanol, a distillation waste liquid, and distillation wastewater; and a step (D) for subjecting the distillation waste liquid and/or the distillation wastewater to an organic matter decomposition treatment to obtain a decomposition gas and treated water.

WATER ELECTROLYSIS DEVICE AND OPERATION CONTROLLING METHOD FOR WATER ELECTROLYSIS DEVICE

Resumen de: WO2025142261A1

In order to provide a water electrolysis device and an operation controlling method for the water electrolysis device which, when the operation is stopped, are capable of reducing energy consumption and suppressing deterioration of an electrolyte membrane due to hydrogen peroxide generated in a cathode-side hydrogen flow passage when the operation is stopped, this operation controlling method for a water electrolysis device having at least one water electrolysis cell which is divided into an anode-side oxygen flow passage 5 and a cathode-side hydrogen flow passage 6 by an electrolyte membrane, electrolyzes pure water supplied to the oxygen flow passage 5, and discharges hydrogen from the hydrogen flow passage 6 comprises: supplying pure water to the oxygen flow passage 5 during the operation of the water electrolysis device; when the operation of the water electrolysis device is stopped, stopping the supply of pure water to the oxygen flow passage 5, and supplying pure water to the hydrogen flow passage 6 for a prescribed period of time and discharging the same to the outside; and then stopping the supply of pure water to the hydrogen flow passage 6.

BATCH SYSTEMS AND METHODS FOR HYDROGEN GAS EXTRACTION FROM A LIQUID HYDROGEN CARRIER

Resumen de: AU2025204349A1

Abstract: A system for extracting hydrogen gas from a liquid hydrogen carrier may include a hydrogen gas reactor, a catalyst for facilitating extraction of the hydrogen gas from the liquid hydrogen carrier, and a reservoir for containing the liquid hydrogen carrier and a spend liquid hydrogen carrier. The system may be configured to regulate a flow of liquid hydrogen carrier in and out of the hydrogen gas reactor, to move a catalyst relative to a volume of the liquid hydrogen carrier, and to provide a continuous flow of the hydrogen gas, in response to a demand for the hydrogen gas. Abstract: A system for extracting hydrogen gas from a liquid hydrogen carrier may include a hydrogen gas reactor, a catalyst for facilitating extraction of the hydrogen gas from the liquid hydrogen carrier, and a reservoir for containing the liquid hydrogen carrier and a spend liquid hydrogen carrier. The system may be configured to regulate a flow of liquid hydrogen carrier in and out of the hydrogen gas reactor, to move a catalyst relative to a volume of the liquid hydrogen carrier, and to provide a continuous flow of the hydrogen gas, in response to a demand for the hydrogen gas. un b s t r a c t : s y s t e m f o r e x t r a c t i n g h y d r o g e n g a s f r o m a l i q u i d h y d r o g e n c a r r i e r m a y i n c l u d e a h y d r o g e n g a s r e a c t o r , a c a t a l y s t f o r f a c i l i t a t i n g e x t r a c t i o n o f t h e h y d r o g e n g a s f r o m t h e l i q u i d h y

WATER ELECTROLYZER CELLS AND METHODS FOR ELECTROLYZING WATER

Resumen de: US2025214034A1

Hydrogen gas purifier electrochemical cells, systems for purifying hydrogen gas, and methods for purifying hydrogen gas are provided. The cells, systems, and methods employ double membrane electrode (DMEA) electrochemical cells that enhance purification while avoiding the complexity and cost of conventional cells. The purity of the hydrogen gas produced by the cells, systems, and methods can be enhanced by removing at least some intermediate gas impurities from the cells. The purity of the hydrogen gas produced by the cells, systems, and methods can also be enhanced be introducing hydrogen gas to the cells to replenish any lost hydrogen. Water electrolyzing electrochemical cells and methods of electrolyzing water to produce hydrogen gas are also disclosed.

CARBON DIOXIDE SEQUESTRATION WITH MAGNESIUM HYDROXIDE AND REGENERATION OF MAGNESIUM HYDROXIDE

Resumen de: US2025214037A1

Embodiments of the present disclosure are directed to systems and methods of removing carbon dioxide from a gaseous stream using magnesium hydroxide and then regenerating the magnesium hydroxide. In some embodiments, the systems and methods can further comprise using the waste heat from one or more gas streams to provide some or all of the heat needed to drive the reactions. In some embodiments, magnesium chloride is primarily in the form of magnesium chloride dihydrate and is fed to a decomposition reactor to generate magnesium hydroxychloride, which is in turn fed to a second decomposition reactor to generate magnesium hydroxide.

APPARATUS FOR TREATMENT OF ELECTRODES

Resumen de: US2025215602A1

Apparatus is provided for treating an electrode in an electrochemical cell. The electrode is treated to evolve catalytic oxide layers on the electrode surface, which make the electrode suitable for use in hydrogen production. The apparatus includes a signal generator, a switching arrangement, and a filtering stage including a differential choke and the common mode choke, to supply power to the electrochemical cell for commercial scale treatment and production of electrodes.

ELECTROLYSIS SYSTEM AND OPERATION METHOD THEREOF

Resumen de: US2025215591A1

Electrolysis techniques and system implementations are disclosed comprising a plurality of reactors, each comprising electrolysis electrodes and configured to carry out a sequence of phases of an electrolysis process phase-shifted with respect to a sequence of phases of the electrolysis process carried out by at least another one of said plurality of reactors, one or more power sources for driving the electrolysis processes carried out by the plurality of reactors, and a control system configured to monitor changes in a power capacity of at least one of the one or more power sources and based thereon perform at least one of the following: (i) activate or deactivate one or more of the electrolysis processes carried out by the plurality of reactors, (ii) adjust a time duration of at least one of the phases of the electrolysis process; (iii) adjust the power supplied to at least one of the plurality of reactors from the one or more power sources; and/or (iv) adjust, remove or introduce, at least one phase of the electrolysis process.

GAS-PERMEABLE ELECTRONICALLY CONDUCTIVE PLATE FOR USE AS POROUS TRANSPORT LAYER FOR AN ELECTROLYZER

Resumen de: US2025215588A1

Described are a gas-permeable electronically conductive plate for use as porous transport layer for an electrolyzer and a process for preparing said gas-permeable electronically conductive plate. a building unit for an electrolyzer, and an electrolyzer.

Ultra-High Efficiency Hydrogen Hybrid Regenerative Thermodynamic System

Resumen de: US2025215587A1

The present invention relates to a non-combustion heat source preferably integrated with a net-positive electricity hydrogen production system and integral feedforward control system maximizing value creation by enabling superior high-radiant heat transfer and energy efficiency while minimizing carbon dioxide footprint. The feedforward control system further enhances broad system performance including determining optimal combustion emissivity and waste heat recovery operations.

ELECTROLYTE MEMBRANE, ELECTROLYTE MEMBRANE WITH CATALYST LAYER, MEMBRANE ELECTRODE ASSEMBLY, AND WATER ELECTROLYSIS DEVICE

Resumen de: US2025215590A1

An object of the present invention is to provide an electrolyte membrane having a good durability when performing water electrolysis. The gist of the present invention is an electrolyte membrane including: a first electrolyte layer having a first main surface and a second main surface; and a second electrolyte layer provided on the first main surface of the first electrolyte layer; wherein the first electrolyte layer has a thickness of 40 μm or more and 250 μm or less, and contains a polymer electrolyte; and wherein the second electrolyte layer contains a polymer electrolyte and carbon particles.

INCREASED OXYGEN OUTLET PRESSURE IN AN ELECTROLYZER

Resumen de: US2025215576A1

Systems and methods for increased oxygen output from an electrolyzer system are provided. The electrolyzer system includes a water storage tank. The electrolyzer system also includes an electrolyzer in fluid communication with the water storage tank and configured to produce oxygen and hydrogen from water e.g., (H2O). The electrolyzer system also includes one or more pressure isolating components configured to increase the oxygen output pressure of the system by pressure isolating the water storage tank from the electrolyzer stack.

ELECTROLYSIS CELL AND ELECTROLYSIS APPARATUS

Resumen de: AU2024233949A1

An electrolysis cell according to the present disclosure is provided with: a first separator; a second separator; an anion exchange membrane disposed between the first separator and the second separator; a negative electrode disposed between the first separator and the anion exchange membrane; and a positive electrode disposed between the second separator and the anion exchange membrane. The first separator has a flow path for supplying an electrolyte solution to the negative electrode, and hydrogen and hydroxide ions are produced at the negative electrode by consuming at least some of the electrolyte solution supplied from the flow path. The second separator does not have a flow path for supplying the electrolyte solution to the positive electrode, and oxygen and water are produced at the positive electrode from the hydroxide ions that have come from the negative electrode through the anion exchange membrane, in a state where the electrolyte solution is not supplied to the positive electrode.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, AND METHOD FOR PRODUCING HYDROGEN

Resumen de: WO2025143145A1

The present invention provides: a solid polymer electrolyte membrane which is excellent in terms of low gas permeability; a membrane electrode assembly; and a water electrolysis device.　A solid polymer electrolyte membrane according to the present disclosure comprises: a first membrane which contains a fluorine-containing polymer that has an ion exchange group, and a platinum-containing material; and a second membrane which contains a fluorine-containing polymer that has an ion exchange group, and which has a lower concentration of the platinum-containing material than the first membrane. If a ratio X is the ratio of the thickness of the first membrane to the total thickness of the thickness of the first membrane and the thickness of the second membrane at an end of the solid polymer electrolyte membrane, and a ratio Y is the ratio of the thickness of the first membrane to the total thickness of the thickness of the first membrane and the thickness of the second membrane at the central part of the solid polymer electrolyte membrane, the ratio X is greater than the ratio Y.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE-ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, METHOD FOR PRODUCING HYDROGEN, AND METHOD FOR PRODUCING SOLID POLYMER ELECTROLYTE MEMBRANE

Resumen de: WO2025143156A1

Provided is a solid polymer electrolyte membrane that resists tearing and, when employed in a water electrolysis device, resists the generation of pinholes.　The solid polymer electrolyte membrane contains an ion-exchange group-bearing fluoropolymer and a woven fabric composed of a warp and a weft. When the solid polymer electrolyte membrane is observed from the direction normal to a surface of the solid polymer electrolyte membrane, the standard deviation on the area of regions delimited by the warp and the weft is 0.10 × 104 to 2.0 × 104 μm2.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, METHOD FOR PRODUCING HYDROGEN, AND METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY

Resumen de: WO2025143203A1

The present disclosure addresses the problem of providing a solid polymer electrolyte membrane which is capable of suppressing occurrence of curl and suppressing crossover of hydrogen. The present disclosure also addresses the problem of providing: a membrane electrode assembly; a water electrolysis device; and a method for producing a membrane electrode assembly.　A solid polymer electrolyte membrane according to the present disclosure comprises: a first layer that contains a first fluorine-containing polymer which has an ion exchange group and a platinum-containing material; and a second layer that contains a second fluorine-containing polymer which has an ion exchange group. The concentration of the platinum-containing material in the second layer is lower than the concentration of the platinum-containing material in the first layer, and the ion exchange capacity of the first fluorine-containing polymer is higher than the ion exchange capacity of the second fluorine-containing polymer. This solid polymer electrolyte membrane further has a reinforcement body that is disposed closer to the first layer-side surface of the solid polymer electrolyte membrane than the center position of the solid polymer electrolyte membrane in the thickness direction.

SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, METHOD FOR PRODUCING HYDROGEN, AND METHOD FOR PRODUCING MEMBRANE ELECTRODE ASSEMBLY

Resumen de: WO2025143143A1

Provided is a solid polymer electrolyte membrane which is capable of suppressing an increase in electrolytic voltage after water electrolysis is performed for a certain period, and in which pinholes are hardly generated.　This solid polymer electrolyte membrane includes: a fluorine-containing polymer having an ion exchange group; a platinum-containing material; aggregates of cerium oxide particles; and a woven fabric. The average particle diameter of the aggregates is 0.1-10 μm.

水電解スタックの組立方法、電解槽スタックでの使用向けに構成されたバイポーラプレート及びバイポーラプレートの使用

Resumen de: AU2023300562A1

Bipolar plates (1) adapted for use in an electrolyser cell stack (4) and wherein each plate comprises a plate midplane (2) whereby the plate (1) comprises spaced apart uniform spacers (7) extending in opposed directions from the midplane (2). All spacers (7) are arranged along concentric circles (8) in the midplane (2) with spacers (7) alternatingly protruding in opposite directions relative to the midplane (2) along each concentric circle (8) and an even number of spacers (7) are provided in each circumferential circle (8), apart from an innermost circle (9) which comprises a single spacer (7).

A METHOD OF TRANSPORTING HYDROGEN

Resumen de: WO2025140933A1

A method of transporting hydrogen comprising: forming an alcohol from hydrogen and carbon dioxide; transporting said alcohol; breaking down said alcohol to form carbon dioxide and hydrogen; using said hydrogen as a fuel; and capturing said carbon dioxide to transport for reuse in generating more alcohol.

INCREASED OXYGEN OUTLET PRESSURE IN AN ELECTROLYZER

Resumen de: WO2025140991A1

Systems and methods for increased oxygen output from an electrolyzer system are provided. The electrolyzer system includes a water storage tank. The electrolyzer system also includes an electrolyzer in fluid communication with the water storage tank and configured to produce oxygen and hydrogen from water e.g., (H2O). The electrolyzer system also includes one or more pressure isolating components configured to increase the oxygen output pressure of the system by pressure isolating the water storage tank from the electrolyzer stack.

アンモニア分解触媒およびアンモニア分解触媒の製造方法

Resumen de: EP4574255A1

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 subj ected to steam treatment to form a carrier, and an 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.

AN ELECTROLYTIC CELL AND METHOD OF ELECTROLYSIS

Resumen de: AU2023327787A1

The invention provides an electrolytic cell, comprising: a working electrode; a counter electrode; a liquid electrolyte in contact with a working surface of the working electrode; an acoustically transmissive substrate comprising at least a piezoelectric substrate portion; one or more conductive electrodes coupled to the piezoelectric substrate portion and configured to propagate a high frequency acoustic wave having a frequency of at least 1 MHz across the acoustically transmissive substrate when electrically actuated; and one or more power supplies configured (i) to apply a potential between the working electrode and the counter electrode sufficient to electrolytically react a species in the liquid electrolyte, thereby producing an electrolytic reaction product proximate the working electrode, and (ii) to electrically actuate the one or more conductive electrodes, wherein the working electrode is either located on the acoustically transmissive substrate or spaced apart from the acoustically transmissive substrate by the liquid electrolyte, and wherein propagation of the high frequency acoustic wave across the acoustically transmissive substrate in operation of the electrolytic cell stimulates the liquid electrolyte, thereby increasing the production efficiency of the electrolytic reaction product.

PREVENTING NITRIDING WHEN OPERATING AN AMMONIA CRACKER FURNACE

Resumen de: WO2024041751A1

The invention relates to a method and a device for producing a cracked gas (7) comprising hydrogen and nitrogen from an ammonia-rich input (1) that is more than 50% ammonia by volume, wherein ammonia present in the ammonia-rich input (1) is cracked in a cracker furnace (C) with catalytic assistance at a cracking pressure above 5 bar and a cracking temperature of at least 500°C in order to obtain the cracked gas (7) comprising hydrogen and nitrogen. The invention is characterised in that the ammonia-rich input (1) undergoes catalytically assisted pre-cracking (V), during which some of the ammonia present in the input (1) is separated into hydrogen and nitrogen and an input (5) comprising ammonia for the cracker furnace (C) is obtained.

Electrolyser system

Resumen de: GB2636681A

An electrolyser system (10) is described. The system (10) comprises at least one electrolyser (20), where the electrolyser (20) comprises at least one steam inlet (41) and at least one off-gas outlet (38; 39). A turbocharger (62) is also present for compressing off-gas from the electrolyser (20). The turbocharger (62) comprises a drive fluid inlet, a drive fluid outlet, a compression fluid inlet, a compressed fluid outlet, a compressor (13) and a turbine (12). The turbine (12) is configured to drive the compressor (13). The drive fluid outlet of the turbocharger (62) is fluidically connected to the at least one steam inlet (41) of the electrolyser (20). The at least one off-gas outlet (38; 39) of the electrolyser (20) is fluidically connected to the compression fluid inlet of the turbocharger (62). The system (10) can further comprise a steam source fluidically connected to the drive fluid inlet of the turbocharger (62) for powering the turbine (12) using pressurised steam.

Continuous solvent recovery in a Power to X methanol plant

Resumen de: DK202370622A1

The invention relates to method for recovering carbon capture solvent from reactant streams in a power-to-X plant for methanol production, said power-to-X plant comprising an electrolyzer, a unit capturing COₓ with a carbon capture solvent, a syngas compressor and a methanol reactor, wherein the electrolyzer creates a H₂ stream and wherein the unit capturing COₓ creates a stream of COₓ. The carbon capture solvent is returned to the unit capturing COₓ.

Self producing hydrogen boiler and heating system

Resumen de: GB2636726A

A hydrogen boiler comprises a self-producing hydrogen system, the hydrogen is produced by electrolysis. A cut off sensor 7.18 is attached to the system to prevent hydrogen leaks and a pressure regulator to keep the gas flow constant. A pressure cut off 7.13 turns off the hydrogen production when the tank is full. A flashback arrestor 8.6 prevents furnace flashback to the main oxyhydrogen production tank 2. The system may be powered by solar panels or standard AC power. The hydrogen is combusted in a furnace 3, which includes a heat exchanger 3.15 connected to the central heating system; heated water is then circulated to the radiators and hot water system. Water produced by the combustion of hydrogen is recovered and returned to the electrolyser. The system may also provide additional hot water systems 9 or a hot air system using a second electrolyser and furnace.

Grid adaption

Resumen de: DK202370621A1

The invention relates to a method for and a plant capable of abruptly shifting the electricity consumption in a Power-to-X methanol production facility. The facility comprising: - An electrolysis unit - A carbon capture unit - A compressor for compressing a stream of H₂ and a stream of COₓ into a syngas for methanol production - A methanol reactor having an operational pressure and comprising a catalyst for production of methanol - A recirculation system for recirculating unreacted H₂ and/or COₓ - A rerouting system for rerouting the stream of COₓ Where the ratios in changes in the streams are within range 0.2 to 5 for a time period t, where t is between 0.3 and 30 seconds.

Alkaline electrolyser and a method for its operation including gas purging

Resumen de: DK202330403A1

An alkaline electrolyser comprising a stack (17) of electrolytic cells (1) is used for producing hydrogen gas (8). Purified hydrogen gas and purified oxygen gas is used for purging the corresponding cathode and anode compartments (5, 6) for preventing buildup of dangerous gas mixtures by gas crossover during stop, before starting, or when running production low.

Electrolyser

Resumen de: GB2636885A

An electrolyser 10 which provides a hydrogen gas containing stream and a separate oxygen gas containing stream from an aqueous electrolyte is described. The electrolyser comprises a hollow locating member 32 defining a fluid conduit for receiving an electrolyte, where the hollow locating member has at least one opening 42. A fluid pump 26 is pumps electrolyte into and through the fluid conduit of the hollow locating member 32. The electrolyzer cell 12 has a stacked arrangement on the locating member 32. The stacked arrangement comprises at least one electrolysis cell 12. Each cell 12 comprises an anode 14 having a first side 11 and a second opposed side 13; and a cathode 16 having a first side 15 and a second opposed side 17, in which the first side of the anode 11 is positioned adjacent the first side of the cathode 15. A reaction chamber is defined between the first side of the anode and the first side of the cathode, in which the reaction chamber 18 is in fluid communication with the at least one opening 42 of the hollow locating member 32. Each cell 12 further comprise a magnet 30 positioned adjacent the second side of the anode 13; a first gas collection chamber 34a positioned adjacent the second side of the anode 13, in which the first gas collection chamber 34a is in fluid communication with the reaction chamber 18; and a second gas collection chamber 34b positioned adjacent the second side of the cathode 17, in which the second gas collection chamber 34b is in fluid c

Hydrogen production and storage apparatus power generation apparatus and mobile power shuttle systems for supplying hydrogen energy including the same

Resumen de: KR20250098043A

본 발명에 따른 수소 생산 및 저장 장치는, 특정 에너지로 물을 전기분해하여 수소와 산소를 생산하기 위한 수전해 모듈; 상기 수전해 모듈에 의해 생산된 상기 수소를 압축하기 위한 고압 압축 모듈; 상기 고압 압축 모듈에 의해 압축된 수소를 저장하기 위한 수소 고압 탱크 모듈; 및 상기 수전해 모듈에 의해 생산된 수소를 일시적으로 저장한 후, 상기 고압 압축 모듈에 의해 압축되도록 하여, 압축 과정에서 발생되는 압력 차에 의한 상기 수전해 모듈의 손상을 방지하기 위한 수소 완충 탱크 모듈;을 포함하는 것을 특징으로 할 수 있다.

Process for producing low, neutral, and/or negative carbon intensity hydrogen through electrolysis

Resumen de: WO2025064007A1

A method for producing a hydrogen product having a carbon intensity less than about 0.45 kg C02e / kg H2 is provided. The method includes the steps of converting water to oxygen and the hydrogen product through an electrolysis process, providing at least some, and substantially all, of the required energy for the electrolysis process from a biomass power plant, and processing one or more flue gas streams from the biomass power plant in a carbon capture unit to reduce CO2emissions. The energy produced from the biomass power plant may comprise one or more of electricity, steam used as process steam in the electrolysis process, steam used as thermal energy in the electrolysis process, and steam used to power a mechanical drive for one or more compressors, pumps, or other motors generating shaft torque in the electrolysis process.

HYDROGEN AND OXYGEN PRODUCTION SYSTEM AND METHOD

Resumen de: BG113842A

The system and method for producing hydrogen and oxygen according to the invention optimize the production process, wherein the electrolysis of water is performed by superheated water vapor, and the decomposition of the water vapor is performed under the influence of a high-voltage field, which reduces the energy cost of producing hydrogen and oxygen. Also much of the input energy is recovered in two stages, in the first stage the recovery is done with separate economizers (5, 7) for the hydrogen and oxygen, which transfer their heat to the incoming hot water, and in the second stage the recovery is done in the purification and cooling of the hydrogen and oxygen. Recovery of the heat input for heating allows a significant reduction in the cost of hydrogen and oxygen production and a reduction in the cost of hydrogen and oxygen.

RENEWABLE ENERGY SOURCE USING PRESSURE DRIVEN FILTRATION PROCESSES AND SYSTEMS

Resumen de: MA66617A1

The co-generation of hydrogen 11 from water 8 produced during pressure driven water desalination/filtration processes, such as reverse osmosis, forward osmosis, pressure retarded osmosis or ultrafiltration. A small part of feed, raw saline solution and/or permeate involved in a desalination/filtration processes is subjected to electrolysis thereby splitting the water to produce hydrogen. This is achieved by the provision of novel RO type semi-permeable membranes and UF type membrane that incorporate electrodes 9, 10 within the membrane to allow splitting of the water via electrolysis.

LIGHT SCATTERING BASED FLOATING SOLAR WATER ELECTROLYSIS SYSTEM

Resumen de: KR20250097071A

본 발명은　광 산란 기반 수상 태양광 수전해 시스템에 관한 것이다. 일 실시예에 따르면, 수상에 설치되는 광 산란 기반 수상 태양광 수전해 시스템에 있어서, 무기 나노입자를 포함하는 광 가이드 부재와 상기 광 가이드 부재의 전면측, 후면측, 좌면측 및 우면측 중 적어도 하나의 측면에 배치된 태양전지로 이루어진 광 가이드 투명 태양전지;를 포함하는 태양전지 모듈부; 및 상기 태양전지 모듈부와 전기적으로 연결되고, 태양광 에너지를 제공받아 수소 및 산소를 생산하는 수전해 모듈부;를 포함하는, 광 산란 기반 수상 태양광 수전해 시스템이 제공될 수 있다.

RENEWABLE ENERGY-BASED WATER ELECTROLYSIS SYSTEM AND CONTROL METHOD THEREOF

Resumen de: KR20250097397A

본 발명의 예시적인 실시예들에 따르면, 재생 에너지 전원 장치, 서브 전원 장치, 수전해 장치, 재생 에너지 전원 장치의 출력 전압을 측정하는 모니터링 장치 및 제어 장치를 포함하는 재생 에너지 기반의 수전해 시스템이 제공될 수 있다. 재생 에너지 전원 장치의 출력 전압에 따라 수전해 장치에 대한 전기 공급을 제어하는 방법이 제공될 수 있다.

Freeze Protection System for Water Electrolysis Device

Resumen de: KR20250097206A

일 실시예에 따른 수전해 장치의 동파 방지 시스템은, 케이스, 상기 케이스 내에 수용되는 물 공급 모듈, 상기 케이스 내에 수용되는 수전해 장치, 상기 케이스 내에 수용되어 상기 수전해 장치로부터 수소를 공급받는 수소 정제기 모듈, 상기 물 공급 모듈과 상기 수전해 장치 사이에 배치되어 상기 물 공급 모듈로부터 상기 수전해 장치로 물을 공급하는 물 공급 라인, 및 상기 물 공급 라인으로부터 분기되어 상기 물 공급 모듈로 연결되는 물 공급 바이패스 라인을 포함할 수 있다.

스택 모듈을 갖는 고체 산화물 전해조 및 고체 산화물 전해조의 스택 모듈 교환 방법

Resumen de: AU2023369983A1

The present invention relates to stack module with at least one Solid Oxide electrolysis stack that comprises a plurality of stacked Solid Oxide electrolysis cells, wherein the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, the at least one Solid Oxide electrolysis stack is encapsulated in a metal container, wherein the two gas inlet connections and the two gas outlet connections are attached to the metal container. The invention further relates to Solid Oxide Electrolyzer with at least one stack module and a method of exchanging a stack module of a Solid Oxide Electrolyzer.

Multi-stack modular water electrolysis apparatus

Resumen de: KR20250097060A

본 발명은 선박이나 화물차에 의한 운송이 가능하도록 상자 모양으로 제작되고, 도어에 의해 내부가 개폐되는 컨테이너; 상기 컨테이너의 내측에 전기분해에 필요한 물을 공급하도록 마련되는 급수기; 상기 컨테이너의 내측에 전기분해에 필요한 전해액을 분배 공급하도록 마련되는 전해액분배기; 상기 급수기로부터 공급되는 물과 상기 전해액분배기로부터 전해액을 각각 분배 공급받아 전기분해에 의한 수소와 산소를 발생시키고, 상기 컨테이너의 내측에 좌우로 배열되면서 상하로 적층되도록 설치되는 수소발생기; 상기 수소발생기의 전기분해에 필요한 전기에너지를 제공하도록 상기 컨테이너의 내측에 설치되는 파워서플라이; 상기 수소발생기로부터 발생되는 수소로부터 산소 및 수분을 제거하도록 상기 컨테이너의 내측에 설치되는 정제기; 및 상기 정제기에 의해 정제된 수소와 상기 수소발생기로부터 발생되는 산소를 각각 저장하도록 상기 컨테이너의 내측에 설치되는 수소탱크 및 산소탱크;를 포함하도록 한 멀티 스택 방식의 모듈형 수전해 장치에 관한 것이다. 본 발명에 따르면, 전기분해를 이용한 수소발생기를 사용하여 수소 발생에 필요한 각종 장치들을 필요로 하는 수소 발생 시스템을 제한된 공간에 효율

Perovskite catalyst preparation method for the same and application thereof

Resumen de: KR20250097287A

하기 식 (1)의 페로브스카이트 구조 촉매로서, ABO3 (1) 상기 식에서 A는 La, Sr로 이루어진 군으로부터 선택된 적어도 어느 하나이고, B는 Co, Fe, Ni, Ru 및 Mn로 이루어진 군으로부터 선택된 적어도 어느 하나이며, 상기 B에는 Ru가 일부 도핑된 것을 특징으로 하는 페로브스카이트 구조 촉매가 제공된다.

고체 전기 화학 장치

Resumen de: WO2024150467A1

Provided is a solid electrochemical device comprising: a solid electrolyte which has a first main surface and a second main surface that is opposite from the first main surface; a first electrode which has a third main surface and a fourth main surface that is opposite from the third main surface and which is provided such that the third main surface faces the first main surface; a first current collector which has a fifth main surface and a sixth main surface that is opposite from the fifth main surface and which is provided such that the fifth main surface faces the fourth main surface; and a first interconnector which has a seventh main surface and which is provided such that the seventh main surface faces the sixth main surface, wherein the seventh main surface of the first interconnector is a flat surface, the first current collector includes a first porous metal body that has a three-dimensional network structure, and the fifth main surface has a plurality of first through-holes that are formed so as to extend along a first direction from the fifth main surface to the sixth main surface.

스택 모듈, 스택 모듈을 갖는 고체 산화물 전해조 및 고체 산화물 전해조의 스택 모듈 교환 방법

Resumen de: AU2023369983A1

The present invention relates to stack module with at least one Solid Oxide electrolysis stack that comprises a plurality of stacked Solid Oxide electrolysis cells, wherein the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, the at least one Solid Oxide electrolysis stack is encapsulated in a metal container, wherein the two gas inlet connections and the two gas outlet connections are attached to the metal container. The invention further relates to Solid Oxide Electrolyzer with at least one stack module and a method of exchanging a stack module of a Solid Oxide Electrolyzer.

Leak Protection Device for Water Electrolysis Device

Resumen de: KR20250097212A

일 실시예에 따른 수전해 장치의 누출 방지 디바이스는 수전해 장치에 마련될 수 있고, 상기 수전해 장치는, 케이스, 상기 케이스 내에 수용되는 물 공급 및 순환 배관 및 상기 케이스 내에 수용되고 상기 물 공급 및 순환 배관에 연결되는 수전해 셀 또는 스택을 포함하고, 상기 수전해 장치의 누출 방지 디바이스는, 중력 방향을 기준으로 상기 케이스의 하단에 마련되는 누액수집기를 포함하고, 상기 누액수집기는 상기 중력 방향에 대해서 경사면을 포함할 수 있다.

CATALYSEUR NOTAMMENT DE CRAQUAGE DE L’AMMONIAC, PROCEDE DE PREPARATION DU CATALYSEUR ET PROCEDE DE SYNTHESE D’HYDROGENE

Resumen de: FR3157228A1

CATALYSEUR NOTAMMENT DE CRAQUAGE DE L’AMMONIAC, PROCEDE DE PREPARATION DU CATALYSEUR ET PROCEDE DE SYNTHESE D’HYDROGENE Catalyseur pour la décomposition de l’ammoniac en hydrogène et azote, ledit catalyseur comprenant au moins du ruthénium, de l’oxyde de cérium mésoporeux et au moins un oxyde choisi parmi les oxydes de cobalt, de nickel et de fer, de préférence l’oxyde de nickel et procédé pour produire de l’hydrogène à partir d’ammoniac comprenant les étapes suivantes dans cet ordre : activation d’au moins un catalyseur selon l’invention à une température allant de 300°C à 600°C, sous un flux d’un gaz réducteur ; mise en contact dudit catalyseur activé avec un gaz à traiter comprenant de l’ammoniac à une température allant de 200°C à 800°C, et à une pression allant de la pression atmosphérique à 100 bar. Figure pour l’abrégé : Fig. 3

氨分解用催化剂及其制备方法

Resumen de: AU2023391802A1

The present invention pertains to an ammonia decomposing catalyst and a method for producing same. More specifically, the present invention pertains to: an ammonia decomposing catalyst containing an MgAl

电解用阳极及其制造方法

Resumen de: AU2023376448A1

Provided is a positive electrode for electrolysis, which is unlikely to deteriorate in electrolysis performance even in cases where a power with large output fluctuation such as renewable energy is used as a power source, and in which excellent catalytic activity is maintained for a long period of time. A positive electrode 10 for electrolysis comprises: a conductive substrate 2 at least a surface of which is made of nickel or a nickel-based alloy; and a first layer 4 which is formed on the surface of the conductive substrate 2 and can function as a catalyst layer composed of a lithium-containing nickel cobalt oxide represented by a composition formula of Li

N2 Supply System For Ship

Resumen de: KR20250096137A

선박의 질소공급시스템이 개시된다. 본 발명의 선박의 질소공급시스템은, 선박에 마련되며 암모니아를 공급받아 선내 수소 수요처로 공급될 수소를 생성하는 암모니아 개질부; 상기 암모니아 개질부에서 수소 생성 후 발생하는 테일가스(tail gas)를 상기 암모니아 개질부로부터 공급받아 질소를 분리하는 질소분리부; 및 상기 질소분리부에서 분리된 질소를 저장하는 질소버퍼탱크:를 포함하고, 상기 질소버퍼탱크의 질소는 선내 질소 수요처로 공급되는 것을 특징으로 한다.

Composite furniture system using nuclear power plant heat and electrical energy

Resumen de: WO2025135565A1

The present invention relates to a composite water electrolysis system using nuclear power plant heat and electrical energy, and, to a composite water electrolysis system for receiving heat energy and electrical energy generated in each of a plurality of SMRs, the system comprising: a heat energy storage hub for storing the heat energy generated in each of the plurality of SMRs; an electrical energy storage hub for storing electrical energy generated in each of the plurality of SMRs; and a composite hydrogen production unit, which receives heat and electricity from the heat energy storage hub and the electrical energy storage hub so as to generate hydrogen and oxygen. According to one embodiment, technologies such as hydrogen production through high-temperature water electrolysis, low-temperature water electrolysis, and ammonia decomposition are diversified, hydrogen and oxygen produced through high-temperature water electrolysis are in a high-temperature state, and the waste heat energy discarded when hydrogen and oxygen are cooled to a low temperature in order to be stored can be used as an additional heat source of low-temperature water electrolysis and ammonia hydrogen decomposition devices.

CATALYST FOR AMMONIA DECOMPOSITION AND METHOD OF PREPARING CATALYST FOR AMMONIA DECOMPOSITION

Resumen de: EP4574255A1

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 subj ected to steam treatment to form a carrier, and an 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.

Regenerable ammonia decomposition catalyst and method of preparation thereof

Resumen de: KR20250096033A

본 발명은 산화물 담체를 준비하고, 암모니아 분해촉매 합성을 위해 니켈과 마그네슘의 전구체 용액을 준비하고, 상기 전구체 용액을 상기 담체에 함침하고, 공기중에서 700 ~ 1000℃의 온도로 1 ~ 10시간 동안 열처리하여 상기 전구체 용액으로부터 니켈 마그네슘 산화물 고용체를 생성하여 상기 담체에 니켈 마그네슘 산화물 촉매층을 형성하고, 상기 니켈 마그네슘 산화물 촉매층이 형성된 담체를 환원분위기에서 500 ~ 900℃의 온도로 2 ~ 10시간 동안 열처리하여 상기 니켈 마그네슘 산화물 촉매층으로부터 금속 니켈 촉매를 석출시키는 단계를 포함하는 암모니아 분해촉매 제조방법을 제공한다.

催化材料及其用途

Resumen de: CN115485066A

A catalytic material and a method of making the catalytic material are described. The use of the catalytic material in catalyzing ammonia decomposition processes is also described. The catalytic material comprises a metal oxide and a metal M selected from the group consisting of Ru, Fe, Co, Mo, and mixtures of two or more thereof, and is particularly active in the catalytic decomposition of ammonia, even at low temperatures.

ELECTROLYSER FOR ALKALINE HYDROGEN ELECTROLYSIS

Resumen de: WO2025129214A1

The invention relates to an electrolyser for alkaline hydrogen electrolysis, comprising: a direct voltage source, in particular a rectifier (1) having an electrical positive pole (2) and an electrical negative pole (3); media inlet lines (4) for an electrolysis medium; and media outlet lines (5) for product media; wherein a plurality of electrolysis blocks (6) which are connected in series via electrical connecting lines (9) are connected between the positive pole (2) and the negative pole (3), wherein the electrolysis blocks (6) each have a number of electrolysis cells (7) which are electrically connected in series and are mechanically clamped so that they are flush with one another, wherein the media inlet lines (4) and the media outlet lines (5) each extend serially through the electrolysis blocks (6) and are distributed within each individual electrolysis block (6) to individual cell inlet lines (4', 4") and individual cell outlet lines (5', 5") of the electrolysis cells (7).

アンモニア解離プロセスおよびシステム

Resumen de: CN119403758A

A process for dissociating ammonia into a dissociated hydrogen/nitrogen stream in a catalyst tube within a radiant tube furnace and an adiabatic or isothermal unit containing a catalyst, and a downstream purification process unit for purifying the dissociated hydrogen/nitrogen stream into a high purity hydrogen product.

ELECTROLYSIS SYSTEM AND ELECTROLYSIS DEVICE

Resumen de: AU2023383044A1

An electrolysis system 1 is provided with an electrolysis cell 2 and a mediator reduction tank 4. The electrolysis cell 2 comprises: an anode electrode 10 which electrochemically oxidizes a mediator reduction body M

HEAT TRANSFER PLATE

Resumen de: WO2024133652A1

A corrugated heat transfer plate (5, 90, 92). It has opposing front and back sides (7, 9) and comprises a first end portion (11), a center portion (13) and a second end portion (15). It further comprises first and third portholes (17, 19) arranged within the first end portion (11), second and fourth portholes (27, 29) arranged within the second end portion (15), and a heat transfer area (4) comprising alternately arranged elongate ridges (6) and valleys (8) and being arranged within the center portion (13). An outer front field gasket groove (36) extends on the front side (7) and encloses the heat transfer area (4), while a back field sealing area (40) extends on the back side (9) and encloses the heat transfer area (4). The heat transfer plate (5, 90, 92) is characterized in that it further comprises a fifth porthole (21) arranged within the first end portion (11), a first transfer hole (25) arranged within a first half (h1) of the heat transfer plate (5, 90, 92), and a second transfer hole (35) arranged within a second half (h2) of the heat transfer plate (5, 90, 92). The first and second transfer holes (25, 35) are arranged within the outer front field gasket groove (36) and outside the back field sealing area (40). The first and second portholes (17, 27) are arranged within the back field sealing area (40), the third, fourth and fifth portholes (19, 29, 21) are arranged outside the back field sealing area (40), and the first, second, third, fourth and fifth portholes (17,

Verfahren zum Rückführen von Kathodenmedium sowie Elektrolyseuraggregat

Resumen de: DE102023213299A1

Die Erfindung betrifft ein Verfahren zum Rückführen von Kathodenmedium (7) in einem Elektrolyseuraggregat (1), insbesondere einem PEM- oder AEM-Elektrolyseuraggregat (1), wobei zeitlich vor einem Wiedereinspeisen des einen Elektrolysezellenstapel (10) des Elektrolyseuraggregats (1) verlassenden Kathodenmediums (7) in ein Mediumreservoir (23) einer Mediumversorgung (20) des Elektrolyseuraggregats (1), ein im Kathodenmedium (7) vorliegender Wasserstoff (8) abgetrennt wird, und ferner zeitlich vor dem Wiedereinspeisen des Kathodenmediums (7) in das Mediumreservoir (23), in einem Verdünnschritt (V) des Rückführverfahrens dem Kathodenmedium (7) frisches Versorgungsmedium (3) zugeführt und derart eine Konzentration von Wasserstoff (8) im Kathodenmedium (7) verringert wird.

Verfahren zum Rückführen von Wasser in einem Elektrolyseuraggregat sowie Elektrolyseursystem

Resumen de: DE102023213301A1

Die Erfindung betrifft ein Verfahren zum Rückführen von Kathodenwasser (7) in einem Elektrolyseuraggregat (1), insbesondere einem PEM- oder AEM-Elektrolyseuraggregat (1), wobei zeitlich vor einem Wiedereinspeisen des einen Elektrolysezellenstapel (10) des Elektrolyseuraggregats (1) verlassenden Kathodenwassers (7) in eine Mediumversorgung (20) des Elektrolyseuraggregats (1), ein im Kathodenwasser (7) vorliegender Wasserstoff (8) abgetrennt wird, wobei in einer Wasserstoff-Abtrenneinrichtung (50) des Elektrolyseuraggregats (1), in einem ersten Abtrennschritt durch einen Überdruck in einem ersten Volumen (51) der Wasserstoff-Abtrenneinrichtung (50), Wasserstoff (8) aus dem wasserstoffreichen Kathodenwasser (7) abgetrennt wird, und in einem auf den ersten Abtrennschritt zeitlich folgenden zweiten Abtrennschritt durch eine Verweildauer des nun wasserstoffärmeren Kathodenwassers (7) in einem vom ersten Volumen (51) verschiedenen zweiten Volumen (52) der Wasserstoff-Abtrenneinrichtung (50), weiterer Wasserstoff (8) abgetrennt wird.

アルカリ水電解装置用ステンレス鋼材、アルカリ水電解装置用部材及びその製造方法、並びにアルカリ水電解処理装置

Resumen de: JP2025095274A

【課題】予備処理を行わなくてもアルカリ水電解時の耐久性（耐金属溶出性）を確保することが可能なアルカリ水電解装置用部材を与える省Ｎｉ型のアルカリ水電解装置用ステンレス鋼材を提供する。【解決手段】質量基準で、Ｃ：０．１００％以下、Ｓｉ：１．００％以下、Ｍｎ：３．００～１２．００％、Ｎｉ：７．００～９．００％、Ｐ：０．００３０％以下、Ｓ：０．００３０％以下、Ｃｒ：１０．０～１８．０％、Ｎ：０．０１～０．２５％、Ｃｕ：０．０１～１．００％、Ｍｏ：０．０１～１．００％、Ａｌ：０．００５～０．０８０％、Ｂ：０．０００１～０．０１００％、Ｃａ：０．０００５～０．０１００％、Ｏ：０．０１００％以下を含み、残部がＦｅ及び不純物からなるアルカリ水電解装置用ステンレス鋼材とする。【選択図】なし

DEVICE FOR PRODUCING HYDROGEN FROM AMMONIA FOR SHIP

Resumen de: WO2025135740A1

The present invention relates to a device for producing hydrogen from ammonia for a ship. According to the present invention, high-pressure hydrogen can be produced by using liquefied ammonia for a ship, and hydrogen can be economically produced by utilizing unconverted ammonia discharged from a decomposition reactor and off-gas discharged from a pressure swing adsorption device as a heat source for ammonia decomposition through a heat exchange network of the ship.

WATER ELECTROLYSIS STACK ASSEMBLY AND HOT BOX APPARATUS

Resumen de: WO2025135743A1

The present invention provides a water electrolysis stack assembly and a hot box apparatus. In an embodiment, provided is a water electrolysis stack assembly including: a case including an upper surface part, a side surface part, and a gas outflow pipe formed in the side surface part; and a stack accommodated in an inner space of the case, wherein a surface pressure is applied to the stack by the upper surface part of the case.

CONTROL METHOD AND CONTROL DEVICE OF HIGH-TEMPERATURE WATER ELECTROLYSIS SYSTEM

Resumen de: WO2025135742A1

A control method of a high-temperature water electrolysis system, according to a first embodiment of the present invention, comprises the steps of: determining an operating temperature of a solid oxide water electrolysis stack in a high-temperature water electrolysis system including the solid oxide water electrolysis stack; selecting an operation mode of the solid oxide water electrolysis stack by comparing the operating temperature with a supply temperature of gas supplied to the solid oxide water electrolysis stack; determining a target voltage applied to the solid oxide water electrolysis stack according to the operation mode of the solid oxide water electrolysis stack; and applying the target voltage applied to the solid oxide water electrolysis stack in a step-up manner according to the operation mode of the solid oxide water electrolysis stack.

A SEPARATOR FOR ALKALINE WATER ELECTROLYSIS

Resumen de: WO2025132855A1

A separator for alkaline water electrolysis comprising: - a porous support (100) and on at least one side of the support, in order: - an optional porous layer including a Polymer A (200), and - a non-porous layer including a Polymer B (300), characterized in that the separator is obtainable by coating on the porous support (100) or the optional porous layer (200) a Polymer B solution having a viscosity of at least 400 mPa.s, measured at 20°C and a shear rate of 100 s-1, and wherein the separator has a Bubble Point, measured according to ASTM F316, of at least 5 bar.

A SEPARATOR FOR ALKALINE WATER ELECTROLYSIS

Resumen de: WO2025132806A1

A catalyst coated separator for alkaline water electrolysis (1) comprising a porous support (100) and on at least side of the support, in order: - an optional porous polymer layer (200), - a non-porous alkali-stable polymer layer (300), and - a catalyst layer (400).

ELECTROCHEMICAL SYSTEM COMPRISING A GALLIUM REDOX MEDIATOR AND USES THEREOF

Resumen de: WO2025132521A1

The present invention refers to an electrochemical system comprising: i. an electrolyte, preferably a liquid electrolyte, more preferably an aqueous electrolyte, comprising a stabilizing anion, wherein said electrolyte comprises > 10 mol/mol % of water; ii. a redox mediator electrode comprising Ga(0) or alloys thereof; iii. a cathode; iv. an anode; and v. a wavefunction generator to alternately polarize the electrical connection between the redox mediator electrode and the cathode or anode; wherein the redox mediator electrode is electrically connected with the cathode and the anode, provided that the anode and the cathode are not electrically connected with each other. The gallium-based redox mediator electrode permits the nearly complete reversibility between dissolution and electroplating of gallium, thus cathodic and anodic reactions can be carried out in an alternating manner by electrically connecting the redox mediator electrode with the cathode or the anode. The present invention also refers to a method for the electrochemical production of H2, and oxidized species, such as O2 and/or Cl2 or H+, with the electrochemical system of the invention. Therefore, the present invention may find application in fuel production, e.g. in combination with fuel cells or internal combustion engines, or in chemical reactions such as hydrogenation reactions, reversible H2 production and H2 oxidation, hydrotreating reactions, hydrocracking reactions, hydroisomerisation reactions, oil

HYDROGEN VENT SYSTEM

Resumen de: WO2025135726A1

The present invention provides a hydrogen vent system for discharging hydrogen generated in a high-temperature water electrolysis stack to the outside, comprising: a first pipe unit connected to the high-temperature water electrolysis stack and having a curved portion; a drain line which is connected to the first pipe unit and through which condensed water is drained; and a discharge unit which is connected to the first pipe unit and which releases hydrogen upward into the air, wherein a surge tank that maintains pressure and moves the condensed water to the drain line is disposed in the first pipe unit.

WATER ELECTROLYSIS SYSTEM INCLUDING HYDROGEN REMOVAL DEVICE AND OXYGEN REMOVAL DEVICE

Resumen de: WO2025135328A1

The present invention relates to a water electrolysis system comprising: a hydrogen (H2) removal device; and an oxygen (O2) removal device, wherein the hydrogen (H2) removal device removes, from an oxygen (O2) stream, hydrogen (H2), and the oxygen (O2) removal device removes, from a hydrogen (H2) stream, oxygen (O2). By removing hydrogen (H2) and oxygen (O2) from the respective gas streams, the likelihood of explosion accidents during the movement of the gas streams is remarkably reduced, and the purity requirements of various industrial gases can be satisfied without a separate purification process.

METHOD FOR PREPARING CATALYST FOR OXYGEN EVOLUTION REACTION IN WATER ELECTROLYSIS CELL, AND WATER ELECTROLYSIS CELL MEMBRANE-ELECTRODE ASSEMBLY AND WATER ELECTROLYSIS CELL, WHICH COMPRISE CATALYST PREPARED USING SAME

Resumen de: WO2025135348A1

The present disclosure relates to a method for preparing a catalyst for an oxygen evolution reaction in a water electrolysis cell, and a water electrolysis cell membrane-electrode assembly and a water electrolysis cell, which comprise the catalyst prepared using same, and the method for preparing a catalyst for an oxygen evolution reaction in a water electrolysis cell comprises preparing a plurality of noble metal oxide seeds, and preparing a noble metal oxide aggregate by using the plurality of noble metal oxide seeds, thereby increasing the surface area thereof by means of pores between noble metal oxide particles, and thus performance and durability can be improved.

ELECTRODE BUBBLE REMOVAL

Resumen de: WO2025137083A1

An electrolyzer for gaseous production such as hydrogen gas includes an oscillating electrode driven at a natural frequency of the gaseous bubbles improves output by readily removing the gaseous bubble product from the electrode surface, thereby exposing greater electrode surface area for subsequent electrolysis reactions. A natural frequency of the gaseous product determines an oscillation frequency with which to drive the electrode accumulating the gaseous product, such as hydrogen bubbles, to agitate and release the bubbles which then rise to the surface of the liquid filled containment. Integrating oscillation logic for agitating the otherwise stationary electrode or cathode in a PEM water electrolyzer improves hydrogen production by readily evacuating the generated hydrogen to free up the electrode area for additional electrolysis reactions.

METHOD FOR MODULATING THE POWER DRAWN BY A WATER ELECTROLYSIS INSTALLATION AND ELECTROLYSIS INSTALLATION EMPLOYING SUCH A METHOD

Resumen de: WO2025132418A1

The invention relates to a water electrolysis installation (P) comprising a plurality of electrolysis clusters (Ci) operated at respective electrical power setpoints (Pi k). The installation comprises and a supervision unit (SU) for operating the installation (P) according to an electrical network flexibility signal (FSk), the supervision unit (SU) comprising a modulation controller (MOD) for modulating synchronously the electrical power drawn by the installation (P) from an electrical network (NET) according to a preset arrangement, a priority sequencer (SEQ) to establish the preset arrangement asynchronously to the modulation controller (MOD), and a regulator module (REG) to regulate the actual power (Pk) drawn by the installation.

PRODUCTION OF SYNTHETIC FUELS FROM CO2 WITH CONVERSION OF BY-PRODUCTS AND SEPARATION OF CO2

Resumen de: WO2025132365A1

The invention relates to a device/method for capturing/converting CO2, comprising/using a CO2 capturing unit (2), a water electrolysis unit (5), an RWGS unit (8), an FT unit (13), a unit for converting by-products into syngas (28) and a hydrogen unit (20), in which a carbon dioxide separation unit (34) is arranged to: treat a first syngas (12) and a second syngas (29); produce a gaseous effluent depleted in carbon dioxide (18) and a gaseous effluent rich in carbon dioxide (35); and recycling the gaseous effluent rich in carbon dioxide (35) to the inlet of the RWGS section (8).

SYSTEM CONSISTING OF CATALYZERS WITH CHROMIUM-BINDING PROTECTIVE MATERIAL, AND ELECTROCHEMICAL CELL DEVICE

Resumen de: WO2025131874A1

The invention relates to a system (120) consisting of at least two catalyzers (100), in particular for use in electrochemical cell devices (10), preferably fuel cell devices (10), wherein the at least two catalyzers (100) are fluidically connected in series, and each of the at least two catalyzers (100) has a catalytically active material (108), each of which is provided on a main part (102). At least one first catalyzer (100a), which is arranged first in the flow direction, has a protective material (110), which is designed to bind chromium and is provided on the main part (102). According to the invention, the first catalyzer (100a) is designed to oxidize hydrogen, and a second catalyzer (100b), which is arranged after the first catalyzer (100a) in the flow direction, is designed to oxidize methane.

COMPOSITE WATER ELECTROLYSIS SYSTEM USING NUCLEAR POWER PLANT HEAT AND ELECTRICAL ENERGY

Resumen de: WO2025135565A1

The present invention relates to a composite water electrolysis system using nuclear power plant heat and electrical energy, and, to a composite water electrolysis system for receiving heat energy and electrical energy generated in each of a plurality of SMRs, the system comprising: a heat energy storage hub for storing the heat energy generated in each of the plurality of SMRs; an electrical energy storage hub for storing electrical energy generated in each of the plurality of SMRs; and a composite hydrogen production unit, which receives heat and electricity from the heat energy storage hub and the electrical energy storage hub so as to generate hydrogen and oxygen. According to one embodiment, technologies such as hydrogen production through high-temperature water electrolysis, low-temperature water electrolysis, and ammonia decomposition are diversified, hydrogen and oxygen produced through high-temperature water electrolysis are in a high-temperature state, and the waste heat energy discarded when hydrogen and oxygen are cooled to a low temperature in order to be stored can be used as an additional heat source of low-temperature water electrolysis and ammonia hydrogen decomposition devices.

CATALYST FOR OXYGEN EVOLUTION REACTION OF WATER ELECTROLYSIS CELL, METHOD FOR MANUFACTURING SAME, AND MEMBRANE-ELECTRODE ASSEMBLY FOR WATER ELECTROLYSIS CELL AND WATER ELECTROLYSIS CELL COMPRISING SAME

Resumen de: WO2025135512A1

The present disclosure relates to: a catalyst for an oxygen evolution reaction of a water electrolysis cell; a method for manufacturing same; and a membrane-electrode assembly for a water electrolysis cell, and a water electrolysis cell, comprising same. More specifically, by manufacturing a catalyst for oxygen evolution reaction of a water electrolysis cell, having a structure in which active particles fill pores between nanoparticles of a carrier assembly manufactured in various forms or penetrate into the carrier assembly while being supported by the carrier assembly, performance is improved while reducing the amount of noble metal used. The active particles have stronger bonds than a form in which active particles are simply supported, and thus the active particles and the carrier assembly can have improved durability.

CATALYST FOR OXYGEN EVOLUTION REACTION OF WATER ELECTROLYSIS CELL, MANUFACTURING METHOD THEREFOR, MEMBRANE-ELECTRODE ASSEMBLY FOR WATER ELECTROLYSIS CELL INCLUDING SAME, AND WATER ELECTROLYSIS CELL

Resumen de: WO2025135513A1

The present disclosure relates to a catalyst for an oxygen evolution reaction of a water electrolysis cell, a manufacturing method therefor, a membrane-electrode assembly for a water electrolysis cell including same, and a water electrolysis cell. The catalyst for the oxygen evolution reaction of a water electrolysis cell includes a heterogeneous noble metal composite which has a nanowire shape and includes different first and second noble metal oxides in a node structure, whereby the catalyst can reduce the amount of the noble metals used while improving performance and can enhance performance and durability depending on the types and lengths of the noble metals forming the heterogeneous noble metal composite.

WATER ELECTROLYSIS SYSTEM HAVING POWER SUPPLY CONTROL FUNCTION FOR PROTECTING WATER ELECTROLYSIS STACK FROM INSTABILITY OF RENEWABLE ENERGY POWER

Resumen de: WO2025135428A1

The present technology relates to a water electrolysis system having a power supply control function capable of protecting a water electrolysis stack from instability of renewable energy power. The water electrolysis system comprises: a renewable energy production device for producing renewable energy; a renewable energy storage device for storing the produced renewable energy; a water electrolysis device for electrolyzing water by using at least one of the renewable energy and stored energy supplied from the renewable energy storage device; a gas storage device for storing gas produced by electrolysis in the water electrolysis device; and a power supply control device which controls power supply to the water electrolysis device so as to, if a gradient of power change of the renewable energy is greater than a preset power increase reference gradient, charge the renewable energy storage device by distributing at least a portion of the renewable energy, and if the gradient of power change of the renewable energy is less than a preset power decrease reference gradient, supplement the renewable energy by distributing at least a portion of the stored energy of the renewable energy storage device.

METHOD FOR PRODUCING AN ELECTROLYSIS ASSEMBLY

Resumen de: WO2025131721A1

The invention relates to a method for producing an electrolysis assembly comprising at least one housing with an interior, and with at least one stack assembly disposed in the interior of the housing, the stack assembly comprising a plurality of electrolytic cells stacked in a stacking direction, at least some of the electrolytic cells each comprising a membrane electrode assembly and an interconnector, and the membrane electrode assembly and the interconnector each having an oxygen side and a hydrogen side, wherein, in a preparation step for producing membrane electrode assemblies, at least one pasty layer is applied to each of the two surfaces of an electrolyte membrane, at least one of the layers on one surface being used to form a first electrode formed on the hydrogen side of the membrane electrode assemblies and at least one of the layers on the other surface being used to form a second electrode formed on the oxygen side of the membrane electrode assemblies, in a preparation step a seal material comprising glass and/or glass-ceramic is applied to the interconnectors, in an assembling step the prepared interconnectors and membrane electrode assemblies are stacked in alternation to form a stack, and in an assembling step the stack is joined under the action of thermal energy and of a mechanical clamping force which is applied to the stack inwardly in the stacking direction.

ELECTROLYSIS ASSEMBLY

Resumen de: WO2025131661A1

The invention relates to an electrolysis assembly comprising at least one housing with an interior and at least one stack assembly in the interior of the housing. The stack assembly comprises a plurality of electrolysis cells stacked in a stacking direction, and at least some of the electrolysis cells comprise a respective membrane electrode assembly and a respective interconnector, wherein the membrane electrode assembly and the interconnector each have an oxygen side and a hydrogen side, and at least some of the electrolysis cells have contact elements between the membrane electrode assembly and the interconnector, said contact elements being designed to be viscous in an operating state of the electrolysis assembly and solid in a rest state of the electrolysis assembly.

METHOD OF SYNTHESIZING HIGH-EFFICIENCY BIFUNCTIONAL ELECTROCATALYSTS

Resumen de: US2025205696A1

Described herein relates to a method that may be used for synthesizing a bifunctional electrocatalyst for electrochemical water splitting. The method may involve anodically converting an electrodeposited iron-nickel alloy film into an iron-nickel-oxygen nanofilm, followed by sequential phosphorization and/or selenylation treatments via chemical vapor deposition to form a quaternary iron-nickel phosphoselenide nanoporous film. This self-supported catalyst can facilitate both hydrogen evolution and oxygen evolution reactions, improving electrolysis efficiency. The inclusion of selenium may enhance electrical conductivity and stabilize catalytic performance, while the nanoporous structure can optimize mass transport. The film may be used as both anode and cathode in a two-electrode electrolyzer, enabling hydrogen production from pure water or seawater. Notably, the catalyst can demonstrate high turnover frequency and low overpotential, potentially surpassing conventional noble-metal-based catalysts. The system's stability under prolonged operation may underscore its potential for scalable hydrogen generation, reducing reliance on fossil fuels and advancing renewable energy applications.

APPARATUS FOR MIXING IONIZED HYDROGEN AND OXYGEN IONS WITH GAS-PHASE, LIQUID-PHASE, AND SOLID-PHASE SUBSTANCES AND TRANSFERRING QUANTUM ENERGY TO MIXTURES

Resumen de: US2025205656A1

An apparatus, includes: a first raw material supply unit 110 including a filter housing 111, a supply fan 112, a flow regulator 113, an electronic valve 114, and an air supply line 115, wherein the supply fan 112 is operated to suck in external air, in the process, the HEPA filter (not shown) mounted inside the filter housing 112 filters fine dust and adjusts the air supply flow rate from the flow regulator 113 to the appropriate flow rate and supplies through the supply line 115 to the ion generator 200; a second raw material supply unit 120 including a pressure regulator 122, a flow regulator 123, an electronic valve 124, and an air supply line 125.

SILICA MATERIAL, ION EXCHANGE RESIN COMPOSITION, ELECTROLYTE FILM, MEMBRANE-ELECTRODE ASSEMBLY, SOLID POLYMER FUEL CELL, SOLID POLYMER ELECTROLYZER AND ELECTROCHEMICAL HYDROGEN COMPRESSOR

Resumen de: US2025206621A1

A silica material has a substrate containing silicon dioxide, and has a sulfonate group on at least a surface of the substrate, or is obtained by bringing a sulfonating agent into contact with a substrate containing silicon oxide.

WATER ELECTROLYSIS ELECTRODE, WATER ELECTROLYSIS ANODE, WATER ELECTROLYSIS CATHODE, WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS DEVICE, AND METHOD FOR MANUFACTURING WATER ELECTROLYSIS ELECTRODE

Resumen de: US2025207273A1

A water electrolysis electrode includes a conductive substrate and a layered double hydroxide layer. The conductive substrate has a surface including nickel having a plane orientation. The layered double hydroxide layer includes a layered double hydroxide including two or more transition metals. The layered double hydroxide layer is disposed on the surface.

WATER ELECTROLYSIS METHOD, WATER ELECTROLYSIS CELL AND WATER ELECTROLYSIS SYSTEM

Resumen de: US2025207278A1

An object of the present invention is to provide a water electrolysis method capable of maintaining a high electrolysis efficiency. The present invention proposes a water electrolysis method, including supplying water to an electrolysis cell whose interior is divided into an anode and a cathode by an electrolyte membrane, and electrolyzing the water, to generate oxygen at the anode and hydrogen at the cathode, wherein the electrolyte membrane includes: a first layer containing a polymer electrolyte; and a second layer containing carbon particles, and provided on the side of the cathode of the first layer.

HYDROGEN PRODUCTION FACILITY COMPRISING HYDROGEN RECIRCULATION ASSEMBLY

Resumen de: WO2025131585A1

The invention relates to a hydrogen production facility (222) comprising a hydrogen recirculation assembly (100, 200). The hydrogen production facility (222) comprises at least one main compressor (226, 426) which is fluidically connected to at least one electrolyzer (224, 424) via a main hydrogen flow fluid network (232), wherein the hydrogen recirculation assembly (100, 200) comprises a first fluid inlet (102, 202) which can be connected to a first hydrogen leakage point (240) of the hydrogen production facility (222) and which is connected to at least one collecting container (106, 206) of the hydrogen recirculation assembly (100, 200) via at least one first fluid connection (110, 210); a second fluid inlet (104, 204) which can be connected to a second hydrogen leakage point (242) of the hydrogen production facility (222) and which is connected to the collecting container (106, 206) via at least one second fluid connection (112, 212); at least one recirculation compressor (108, 208) which is connected to the collecting container (106, 206) via at least one third fluid connection (114), and at least one first fluid outlet (118, 218) which can be connected to a main hydrogen flow fluid network (232) of the hydrogen production facility (222) and which is connected to the recirculation compressor (108, 208) via at least one fourth fluid connection (116).

ELECTROLYSIS ASSEMBLY

Resumen de: WO2025131681A1

The invention relates to an electrolysis assembly comprising a stack assembly. At least some of the interconnectors are designed in the form of substantially rectangular single-layer sheet-metal structures, the first face of which defines the hydrogen side of the interconnector and the second face of which defines the oxygen side of the interconnector, wherein the thickness of the interconnectors in the form of sheet-metal structures ranges from 0.3 to 0.8 mm, and at least some of the interconnectors have a reactant gas manifold opening in a first edge region in order to conduct reactant gas and a product gas manifold opening in a second edge region lying opposite the first edge region in order to conduct product gas. Between the membrane electrode assembly and the interconnector of at least some of the electrolysis cells is a reactant gas line structure designed to conduct reactant gas out of the reactant gas manifold structure along the hydrogen side of the membrane electrode assemblies and to the product gas manifold structure, and the reactant gas line structure has a plurality of flow channels, each of which is laterally delimited by means of two mutually spaced channel webs, at least some of the channel webs having, on average, an edge steepness of >= 85° at at least one surface which delimits a flow channel.

ELECTROLYSIS ASSEMBLY

Resumen de: WO2025131626A1

The invention relates to an electrolysis assembly (10) comprising a stack assembly (16). The stack assembly (16) is equipped with precisely one reactant gas manifold structure (66) in order to provide reactant gas to the electrolysis cells (18) and precisely one product gas manifold structure (68) in order to discharge product gas from the electrolysis cells (18). The stack assembly (16) has a reactant gas opening for introducing reactant gas into the reactant gas manifold structure (66) and a product gas opening for discharging product gas out of the product gas manifold structure (68). The reactant gas manifold structure (66) and the product gas manifold structure (68) are formed within the stack assembly (16), in each case by means of manifold openings introduced into the interconnectors, wherein between the membrane electrode assembly and the interconnector of at least some of the electrolysis cells is a reactant gas line structure designed to conduct reactant gas out of the reactant gas manifold structure along the hydrogen side of the membrane electrode assemblies and to the product gas manifold structure, and at least some of the membrane electrode assemblies have an oxygen-permeable structure on the oxygen side, said oxygen-permeable structure being positioned and designed such that oxygen released on the oxygen side of the membrane electrode assembly can be discharged into the interior of the housing (12).

ELECTROLYSIS DEVICE HAVING A CONVERTER AND METHOD FOR PROVIDING INSTANTANEOUS RESERVE POWER FOR AN AC VOLTAGE GRID

Resumen de: US2025207279A1

A method for operating an electrolysis device, having a converter which is connected on an AC voltage side to an AC voltage grid via a decoupling inductance and draws an AC active power from the AC voltage grid, and an electrolyzer, which is connected to the converter on the DC voltage side, is provided. The method includes operating the electrolysis device, when a grid frequency corresponds to a nominal frequency of the ACT voltage grid and is substantially constant over a time period, with an electrical power which is between 50% and 100% of a nominal power of the electrolyzer, and operating the converter in a voltage-impressing manner, such that an AC active power drawn from the AC voltage grid is changed on the basis of a change and/or a rate of change of the grid frequency in the AC voltage grid.

CATALYTIC MATERIAL BASED ON A GROUP VIB ELEMENT AND A GROUP IVB ELEMENT FOR THE PRODUCTION OF HYDROGEN BY ELECTROLYSIS OF WATER

Resumen de: US2025207277A1

A catalytic material comprising at least one group VIB metal at least partly in sulfide form, at least one group IVB metal at least partly in sulfide form, and an electrically conductive support wherein said group VIB metal is chosen from molybdenum and/or tungsten, said group IVB metal is chosen from titanium, zirconium and/or hafnium.

ELECTRODE FOR WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS DEVICE, AND METHOD FOR MANUFACTURING ELECTRODE FOR WATER ELECTROLYSIS CELL

Resumen de: US2025207274A1

An electrode for water electrolysis cell includes a conductive base, a first layer, and a second layer. The conductive base includes a transition metal. The first layer is disposed on the conductive base, and includes two or more transition metals and oxygen. The second layer is disposed on the first layer and includes a layered double hydroxide (LDH) including two or more transition metals. The first layer is disposed between the conductive base and the second layer in a thickness direction of the first layer. The first layer includes a first transition metal that is the same as the transition metal included in the conductive base, and a second transition metal that is the same as the transition metal included in the second layer and different from the first transition metal. The first transition metal exists in the first layer at a concentration higher than a concentration of the first transition metal in the second layer.

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

Resumen de: US2025207266A1

A water electrolysis cell has: an oxygen generating electrode; a hydrogen generating electrode; and a membrane, and electrolyzes water to generate oxygen on the oxygen generating electrode and generate hydrogen on the hydrogen generating electrode. A control device includes: a potential-maintaining mode where the water electrolysis cell is supplied with electric current; and a complete stop mode where the water electrolysis cell is shut out from electric current supply, each of the modes is optionally implemented during an operation stop, wherein which of the modes is implemented is determined based on a duration time of the operation stop, a first deterioration rate of the water electrolysis cell when the complete stop mode is implemented, and a second deterioration rate of the water electrolysis cell when the potential-maintaining mode is implemented.

Temperature control system for water electrolysis stack equipment

Resumen de: KR20250094950A

본 발명은, 스택 하우징의 면들을 각각 복수의 영역들로 구획하고, 각 영역마다 열선과 온도 센서가 구비됨으로써, 영역별 온도 측정 및 제어가 가능하여, 구조가 간단하면서도 온도 제어 및 관리가 용이하여 에너지 효율을 향상시킬 수 있다. 또한, 스택 하우징의 면들에 열선과 온도 센서가 구비되고, 스택에는 열선이나 온도 센서가 구비되지 않기 때문에, 상기 스택의 개수나 형상을 설계 변경하거나 상기 스택을 교체하더라도 상기 스택 하우징을 그대로 적용할 수 있으므로, 설치 편의성 및 확장성을 확보할 수 있다. 또한, 복수의 온도 센서들에서 측정된 영역별 온도에 따라 복수의 열선들을 선택적으로 작동시킬 수 있으므로, 상기 스택의 온도를 보다 정밀하게 제어할 수 있다. 또한, 미리 학습된 인공지능 알고리즘을 이용하여 복수의 온도 센서들로부터 측정된 영역별 온도에 따라 복수의 스택들의 온도를 도출하고, 상기 스택들의 온도에 따라 각 열선들의 작동 여부와 작동 시간을 포함한 개별 작동 데이터를 도출할 수 있으므로, 보다 신속하고 정밀하게 스택들의 온도를 제어할 수 있다.

WATER ELECTROLYSIS CONTROL SYSTEM HAVING FUNCTION OF PROTECTING WATER ELECTROLYSIS STACK FROM INSTABILITY OF RENEWABLE ENERGY

Resumen de: WO2025135428A1

The present technology relates to a water electrolysis system having a power supply control function capable of protecting a water electrolysis stack from instability of renewable energy power. The water electrolysis system comprises: a renewable energy production device for producing renewable energy; a renewable energy storage device for storing the produced renewable energy; a water electrolysis device for electrolyzing water by using at least one of the renewable energy and stored energy supplied from the renewable energy storage device; a gas storage device for storing gas produced by electrolysis in the water electrolysis device; and a power supply control device which controls power supply to the water electrolysis device so as to, if a gradient of power change of the renewable energy is greater than a preset power increase reference gradient, charge the renewable energy storage device by distributing at least a portion of the renewable energy, and if the gradient of power change of the renewable energy is less than a preset power decrease reference gradient, supplement the renewable energy by distributing at least a portion of the stored energy of the renewable energy storage device.

METHOD AND APPARATUS FOR PREDICTING LIFE OF WATER ELECTROLYSIS SYSTEM

Resumen de: KR20250094789A

본 발명은 수전해 시스템의 수명 예측 방법 및 장치에 관한 것이다. 본 발명에 따른 수전해 시스템의 수명 예측 방법은, 수전해 시스템에 설치된 센서들을 통해 측정된 과거의 각 시계열 데이터를 수집하는 단계; 인공신경망 모델을 이용하여 과거의 각 시계열 데이터로부터 수전해 스택의 성능 데이터를 산출하는 단계; 수전해 스택의 산출된 성능 데이터를 실제 성능 데이터와 비교하여 오차 값을 구하는 단계; 및 오차 값을 이용하여 인공신경망 모델의 파라미터를 조정하는 단계를 포함할 수 있다.

INTEGRATED METHOD AND SYSTEM FOR GENERATING HYDROGEN AND OTHER COMMODITIES ON THE WATER

Resumen de: WO2025131283A1

The invention relates to a method, a system and the use thereof. According to the invention, hydrogen and oxygen are generated by means of a water-borne platform and, for example, the hydrogen and oxygen so produced are transported ashore and compressed and/or further compressed there.

LOW CARBON ENERGY SYSTEM

Resumen de: WO2025133594A1

An energy system (100) for supplying electricity to a load (108) and a method of using said system are provided, the system comprising renewable electricity generation capacity (102) comprising solar and wind generation capacity, a battery (110) with a maximum electricity storage capacity sufficient to meet the mean load for up to 1 hr, an electrolyser (112) configured for hydrogen gas production and capable of operating at from 0.3 to 0.8 times the maximum output of the renewable electricity generation capacity; and gas storage (114) configured to receive the hydrogen gas; wherein the renewable electricity generation capacity is in electrical communication with the electrolyser via the battery and wherein the system is configured to allow electrical communication to the load such that electrical output not consumed by the load is used to generate hydrogen gas.

AN ELECTROLYSIS CELL ELEMENT, AN ELECTROLYSIS CELL STACK, AND USE OF AN ELECTROLYSIS CELL STACK

Resumen de: WO2025132918A1

Disclosed is an electrolysis cell element (1) comprising, a support structure (2) comprising an inner aperture (3), and a bipolar plate (4) being suspended in the inner aperture (3). The support structure (2) comprises a structure core (5) and a coating (6), wherein the coating (6) includes a thermoplastic material at least partly enclosing the structure core (5) and wherein the bipolar plate (4) is suspended in the inner aperture (3) by means of the coating (6). An electrolysis cell stack (10) and use of an electrolysis cell stack (10) is also disclosed.

水素エネルギー無停電システム

Resumen de: AU2023284373A1

The present invention relates to the technical field of hydrogen energy power generation, and provided is a hydrogen energy uninterruptible power system. Said system comprises a hydrogen production unit, a power storage unit, a power generation apparatus, and a control unit, wherein the hydrogen production unit is able to utilize electrolysis to prepare hydrogen and oxygen gases; the power storage unit can supply power to the hydrogen production unit, and can output power to the outside; the power generation apparatus can receive the hydrogen and oxygen gases output by the hydrogen production unit and generate power, and the power generation apparatus can output power to the outside or transfer power to the power storage unit; and the control unit communicates with the hydrogen production unit, the power storage unit, and the power generation apparatus by means of electrical signals.

VENTILATION ASSEMBLES FOR ELECTROCHEMICAL CELL SYSTEMS

Resumen de: US2025210678A1

An electrochemical cell module includes a module housing and electrochemical cells located in the module housing and configured to generate power or hydrogen and to output an exhaust. The module also includes a vent housing attached to the module housing, an exhaust duct located in the vent housing, and a filter cartridge located in the exhaust duct. The exhaust duct contains an inlet that is configured to receive the exhaust from the module housing, and an outlet that is configured to direct the exhaust away from the module housing. The filter cartridge contains a particulate filter.

AQUEOUS REACTOR

Resumen de: WO2024178009A2

A hydrogen generating cell comprising an input electrode plate pair, an output electrode plate pair, an additional X plate electrode positioned adjacent the output electrode plate pair, and a plurality of intermediate electrode plates disposed between the input and output electrode plate pairs. A plasma torch is spaced apart from and inductively coupled to the input electrode plate pair. A pulsed DC voltage is applied to the plasma torch and X-plate, while a lower voltage pulsed DC voltage is applied to the input and output electrode plate pair to cause generation of hydrogen gas from an aqueous solution in which the cell is immersed.

METHOD AND PLANT FOR PRODUCING A HYDROGEN PRODUCT

Resumen de: EP4574749A1

Die Erfindung betrifft ein Verfahren sowie eine Anlage Verfahren zur Erzeugung eines Wasserstoffprodukts (12), bei dem ein erster Teil eines bereitgestellten Ammoniaks (F) überhitzt und in einem Spalteinsatz (1) einer brennerbefeuerten Spaltofenanordnung (S) zugeführt wird, um mit katalytischer Unterstützung zu einem Wasserstoff, Stickstoff und Ammoniak enthaltenden Spaltgas (3) umgesetzt zu werden, von dem zumindest ein Teil einer Trenneinrichtung (T) zugeführt wird, in der eine Wasserstofffraktion (6) sowie ein gegenüber dem Spaltgas (3) an Stickstoff angereichertes, Wasserstoff und Ammoniak enthaltendes Restgas (7) erhalten werden, von dem zumindest ein Teil zusammen mit einem zweiten Teil (14) des bereitgestellten Ammoniaks (F) zur Befeuerung der Spaltofenanordnung (S) eingesetzt wird. Kennzeichnend hierbei ist, dass der zweite Teil (14) des bereitgestellten Ammoniaks (F) vor seinem Einsatz zur Befeuerung der Spaltofeneinrichtung (S) überhitzt wird.

ELECTROLYSIS DEVICE WITH NATURAL CIRCULATION

Resumen de: CN119790190A

The invention relates to an electrolysis device (1) for producing hydrogen gas from an aqueous alkaline solution by electrochemical reaction, comprising an anode half-cell (2) and a cathode half-cell (3). The anode half-cell (2) and the cathode half-cell (3) are separated by a membrane (4), and the cathode half-cell (3) can be filled with the aqueous alkali. The anode half-cell (2) comprises an anode electrode (5) and the cathode half-cell (3) comprises a cathode electrode (6), the anode electrode (5), the cathode electrode (6) and the membrane (4) forming a membrane electrode unit (7). Furthermore, during normal operation of the electrolysis device (1), the initial filling amount of the alkaline solution in the cathode half-cell (3) can be varied exclusively by a diffusion process through the membrane electrode unit (7) and/or by an electrochemical reaction of the alkaline solution in the membrane electrode unit (7).

HIGH VOLTAGE PROTECTION OF ELECTROLYZER IN A WIND POWER PLANT

Resumen de: CN119678338A

The invention relates to a method for operating a renewable power plant (100) comprising at least one wind turbine (101) and an electrolyser system (110), the renewable power plant being connectable with an electrical grid (190) via a circuit breaker (123) located at a point of common coupling (PCC), wherein the renewable power plant comprises an internal grid (191) connecting the at least one wind turbine and the electrolyzer system with a point of common coupling, and wherein the method comprises detecting a low voltage at any one of the at least one wind turbine, and electrically disconnecting the electrolyzer system from the internal grid in response to detecting the low voltage.

CATALYST FOR AMMONIA DECOMPOSITION, AND METHOD OF PREPARING CATALYST FOR AMMONIA DECOMPOSITION

Resumen de: EP4574255A1

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 subj ected to steam treatment to form a carrier, and an 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.

VENTILATION ASSEMBLIES FOR ELECTROCHEMICAL CELL SYSTEMS

Resumen de: EP4576285A1

An electrochemical cell module includes a module housing and electrochemical cells located in the module housing and configured to generate power or hydrogen and to output an exhaust. The module also includes a vent housing attached to the module housing, an exhaust duct located in the vent housing, and a filter cartridge located in the exhaust duct. The exhaust duct contains an inlet that is configured to receive the exhaust from the module housing, and an outlet that is configured to direct the exhaust away from the module housing. The filter cartridge contains a particulate filter.

ELECTROLYSIS STACK ASSEMBLY AND HOT BOX APPARATUS

Resumen de: WO2025135743A1

The present invention provides a water electrolysis stack assembly and a hot box apparatus. In an embodiment, provided is a water electrolysis stack assembly including: a case including an upper surface part, a side surface part, and a gas outflow pipe formed in the side surface part; and a stack accommodated in an inner space of the case, wherein a surface pressure is applied to the stack by the upper surface part of the case.

HYDROGEN VENT SYSTEM

Resumen de: WO2025135726A1

The present invention provides a hydrogen vent system for discharging hydrogen generated in a high-temperature water electrolysis stack to the outside, comprising: a first pipe unit connected to the high-temperature water electrolysis stack and having a curved portion; a drain line which is connected to the first pipe unit and through which condensed water is drained; and a discharge unit which is connected to the first pipe unit and which releases hydrogen upward into the air, wherein a surge tank that maintains pressure and moves the condensed water to the drain line is disposed in the first pipe unit.

AMMONIA DECOMPOSITION SYSTEM

Resumen de: WO2025127502A1

Provided according to exemplary embodiments of the present invention is an ammonia decomposition system capable of minimizing the generation of iron nitride, which is a by-product.

MANIFOLD AND STACK MODULE INCLUDING THE SAME

Resumen de: KR20250094156A

본 발명의 예시적인 실시예들에 따르면, 전기화학 장치 내지 스택에서 발생한 열을 효과적으로 회수할 수 있는 매니폴드가 제공된다.

기화기 냉각 시스템을 갖춘 전해조 시스템

Resumen de: US2024133063A1

An electrolyzer system includes a vaporizer configured to store a first volume of liquid water and to vaporize water to humidify a cathode inlet stream of an electrolyzer cell module, a cold water tank positioned at a height greater than that of the first volume of liquid water and configured to store a second volume of water, and a valve configured to open and close. The water from the cold water tank is allowed to flow through the valve into the vaporizer when the valve is open.

DEVICE FOR PRODUCING HYDROGEN FROM AMMONIA FOR SHIP

Resumen de: WO2025135740A1

The present invention relates to a device for producing hydrogen from ammonia for a ship. According to the present invention, high-pressure hydrogen can be produced by using liquefied ammonia for a ship, and hydrogen can be economically produced by utilizing unconverted ammonia discharged from a decomposition reactor and off-gas discharged from a pressure swing adsorption device as a heat source for ammonia decomposition through a heat exchange network of the ship.

Apparatus for Producing Hydrogen Gas from Ammonia Using a LASER

Resumen de: US2025197205A1

Disclosed is an apparatus for producing hydrogen gas from ammonia gas using a laser. A decomposition device for decomposing ammonia gas in order to produce hydrogen gas includes an ammonia inlet provided at an uppermost end of the decomposition device to allow ammonia gas to easily flow into the decomposition device, a hydrogen outlet configured to discharge the hydrogen gas produced by decomposition of the ammonia gas, and a nitrogen outlet configured to discharge nitrogen gas produced by the decomposition of the ammonia gas. Laser light in a preset first wavelength band is incident from an outside to a contact point of the ammonia inlet, the hydrogen outlet, and the nitrogen outlet, so that the ammonia gas is decomposed.

배기 가스 농도 모니터링 기능을 갖춘 연료 전지 시스템

Resumen de: US2024133066A1

An electrolysis cell system includes a cathode portion configured to output a cathode exhaust stream, an anode portion configured to output an anode exhaust stream, a sensor configured to detect a concentration in an exhaust stream and to output sensor data, wherein the sensor is either a hydrogen concentration sensor configured to detect a hydrogen concentration in the cathode exhaust stream or a water concentration sensor configured to detect a water concentration of the anode exhaust stream, and a controller. The controller is configured to receive the sensor data from the sensor and, based on the sensor data, control at least one of (a) an air pressure adjustment device to adjust a pressure of air entering the anode portion or (b) a steam pressure adjustment device to adjust a pressure of steam entering the cathode portion.

OPERATING METHOD AND CONTROL DEVICE FOR HIGH TEMPERATURE ELECTROLYSIS SYSTEM

Resumen de: WO2025135742A1

A control method of a high-temperature water electrolysis system, according to a first embodiment of the present invention, comprises the steps of: determining an operating temperature of a solid oxide water electrolysis stack in a high-temperature water electrolysis system including the solid oxide water electrolysis stack; selecting an operation mode of the solid oxide water electrolysis stack by comparing the operating temperature with a supply temperature of gas supplied to the solid oxide water electrolysis stack; determining a target voltage applied to the solid oxide water electrolysis stack according to the operation mode of the solid oxide water electrolysis stack; and applying the target voltage applied to the solid oxide water electrolysis stack in a step-up manner according to the operation mode of the solid oxide water electrolysis stack.

NI-BASED POROUS ELECTRODE FOR WATER ELECTROLYSIS AND THE PREPARATION METHOD THEREOF

Resumen de: EP4575040A1

A Ni-based porous electrode for water electrolysis comprising (a) a macroporous substrate having a specific thickness, porosity level, and a pore size; (b) a first layer of a metal or a metal alloy as defined herein covering the macroporous substrate; and (c) a second layer of Ni, a Ni-X alloy or a Ni-X-Y alloy as defined herein covering the first layer (b), wherein the Ni-based porous electrode is free from Pt-group metals and rare-earths; a process for the manufacturing of the Ni-based porous electrode; the use of the Ni-based porous electrode to catalyze the hydrogen evolution reaction (HER); and a water electrolyzer comprising the Ni-based porous electrode.

ELECTROLYSIS ARRANGEMENT

Resumen de: EP4575036A1

Die Erfindung betrifft eine Elektrolyseanordnung (10) mit einer Stackanordnung (16), wobei in der Stackanordnung (16) genau eine Eduktgas-Manifoldstruktur (66) zur Bereitstellung von Eduktgas an die Elektrolysezellen (18) und genau eine Produktgas-Manifoldstruktur (68) zum Abführen von Produktgas von den Elektrolysezellen (18) ausgebildet sind, wobei die Stackanordnung (16) eine Eduktgas-Öffnung zur Einleitung von Eduktgas in die Eduktgas-Manifoldstruktur (66) und eine Produktgas-Öffnung zur Ausleitung von Produktgas aus der Produktgas-Manifoldstruktur (68) aufweist, wobei die Eduktgas-Manifoldstruktur (66) und die Produktgas-Manifoldstruktur (68) innerhalb der Stackanordnung (16) jeweils mittels in den Interkonnektoren eingearbeiteten Manifoldöffnungen ausgebildet sind, wobei zwischen der Membran-Elektroden-Anordnung und dem Interkonnektor zumindest einiger Elektrolysezellen eine zur Leitung von Eduktgas aus der Eduktgas-Manifoldstruktur heraus entlang der Wasserstoffseite der Membran-ElektrodenAnordnungen und hin zur Produktgas-Manifoldstruktur ausgebildete Eduktgas-Leitungsstruktur angeordnet ist, und wobei zumindest einige Membran-ElektrodenAnordnungen auf ihrer Sauerstoffseite eine sauerstoffdurchlässige Struktur aufweisen, und wobei die sauerstoffdurchlässige Struktur derart angeordnet und ausgebildet ist, dass ein an der Sauerstoffseite der Membran-Elektroden-Anordnung freigesetzter Sauerstoff in den Innenraum des Gehäuses (12) ableitbar ist.

PROCESS FOR THE PRODUCTION OF AN ELECTROLYSIS ASSEMBLY

Resumen de: EP4575039A1

Die Erfindung betrifft ein Verfahren zur Herstellung einer Elektrolyseanordnung umfassend wenigstens ein Gehäuse mit einem Innenraum, und wenigstens einer im Innenraum des Gehäuses angeordneten Stackanordnung, wobei die Stackanordnung mehrere in eine Stapelrichtung gestapelte Elektrolysezellen umfasst, wobei zumindest einige der Elektrolysezellen jeweils eine Membran-Elektroden-Anordnung und einen Interkonnektor umfassen, und wobei die Membran-Elektroden-Anordnung und der Interkonnektor jeweils eine Sauerstoffseite und eine Wasserstoffseite aufweisen, wobei in einem Vorbereitungsschritt zur Herstellung einer Membran-Elektroden-Anordnungen auf den zwei Oberflächen einer Elektrolyt-Membran jeweils mindestens eine pastöse Schicht aufgebracht wird, wobei mindestens eine der Schichten auf jeweils einer Oberfläche zur Ausbildung einer auf der Wasserstoffseite der Membran-Elektroden-Anordnungen ausgebildeten ersten Elektrode und einer auf der Sauerstoffseite der Membran-Elektroden-Anordnungen ausgebildeten zweiten Elektrode dient, in einem Vorbereitungsschritt ein Dichtungsmaterial, umfassend Glas und/oder Glaskeramik auf die Interkonnektoren aufgebracht wird, in einem Montageschritt die vorbereiteten Interkonnektoren und Membran-Elektroden-Anordnungen abwechselnd zu einem Stapelverbund gestapelt werden, und in einem Montageschritt der Stapelverbund unter Einwirkung von thermischer Energie und einer auf den Stapelverbund in Stapelrichtung nach innen gerichteter mechanischer Spa

METHOD FOR MODULATING THE POWER DRAWN BY A WATER ELECTROLYSIS INSTALLATION AND ELECTROLYSIS INSTALLATION EMPLOYING SUCH A METHOD

Resumen de: EP4576478A1

The invention relates to a water electrolysis installation (P) comprising a plurality of electrolysis clusters (Ci) operated at respective electrical power setpoints (Pⁱ_k). The installation comprises and a supervision unit (SU) for operating the installation (P) according to an electrical network flexibility signal (FS_k), the supervision unit (SU) comprising a modulation controller (MOD) for modulating synchronously the electrical power drawn by the installation (P) from an electrical network (NET) according to a preset arrangement, a priority sequencer (SEQ) to establish the preset arrangement asynchronously to the modulation controller (MOD), and a regulator module (REG) to regulate the actual power (P_k) drawn by the installation.

固体氧化物电池堆

Resumen de: WO2024204928A1

A solid oxide cell stack includes a plurality of interconnects, a first solid oxide cell disposed between the plurality of interconnects and including a first fuel electrode, a first electrolyte, and a first air electrode, and a second solid oxide cell disposed to be adjacent to the first solid oxide cell in a lateral direction between the plurality of interconnects and including a second fuel electrode, a second electrolyte, and a second air electrode, wherein an operating temperature of the first solid oxide cell is higher than an operating temperature of the second solid oxide cell.

HYDROGEN PRODUCTION SYSTEM

Resumen de: KR20250093044A

본 발명의 예시적인 실시예들에 따르면, 수소 생산 시스템이 제공된다. 상기 수소 생산 시스템은, 스팀 공급부로부터 제공받은 제1 스팀을 전기 분해하여 수소 및 산소를 포함하는 제1 가스를 제공하도록 구성된 제1 고체산화물 수전해 셀을 포함하는 제1 SOEC 부; 물을 포함하는 냉매를 이용하여 상기 제1 가스를 냉각하고, 제2 스팀과 상기 수소 및 산소를 포함하는 제2 가스를 제공하도록 구성된 열교환부; 및 상기 제2 스팀을 전기 분해하여 산소 및 수소를 포함하는 제3 가스를 제공하도록 구성된 제2 고체산화물 수전해 셀을 포함하는 제2 SOEC 부; 를 포함하고, 상기 제1 스팀은, 상기 제1 고체산화물 수전해 셀의 작동 온도와 같거나, 상기 제1 고체산화물 수전해 셀의 작동 온도보다 높은 온도로 상기 제1 고체산화물 수전해 셀에 공급된다.

Preparation method of electrode of electrolytic cell for directly electrolyzing seawater to produce hydrogen, electrolytic cell and electrolysis method

Resumen de: CN120193300A

The invention provides a preparation method of an electrode of an electrolytic cell for directly electrolyzing seawater to produce hydrogen. The preparation method comprises the following steps: S1, providing a substrate; and S2, growing a conductive diamond layer on the substrate. Or, the preparation method comprises the following steps: S1, providing conductive diamond powder and additive powder, and dispersing the conductive diamond powder and the additive powder in a binder to obtain a mixed solution; and S2, drying the mixed solution in the atmosphere of nitrogen, hydrogen, argon or oxygen, and carrying out hot press molding to obtain the electrode.

Conductive diamond-based anion exchange membrane water electrolysis electrode, preparation method thereof and water electrolysis hydrogen production tank comprising electrode

Resumen de: CN120193291A

The invention provides an anion exchange membrane water electrolysis hydrogen production tank which comprises a cathode and an anode, and the anode is a conductive diamond-based anion exchange membrane water electrolysis electrode. A catalyst of the conductive diamond-based anion exchange membrane water electrolysis electrode is conductive diamond composite transition metal or transition metal alloy. According to the supported catalyst obtained by the preparation method disclosed by the invention, the survival rate of active sites of the metal oxide catalyst of the anode non-noble metal can be remarkably improved, and the service life of the catalyst is prolonged; compared with a traditional catalyst layer formed by a metal oxide, the supported catalyst obtained by the preparation method disclosed by the invention has the advantages that the electronic conductivity of the catalyst can be remarkably improved, and meanwhile, the structured catalyst is beneficial to the operation of an electrolytic bath under high current density. And the catalyst-electrode integrated rapid thermal forming method is beneficial to large-scale mass production application.

具有堆叠模块的固体氧化物电解器及更换固体氧化物电解器的堆叠模块的方法

Resumen de: AU2023369983A1

The present invention relates to stack module with at least one Solid Oxide electrolysis stack that comprises a plurality of stacked Solid Oxide electrolysis cells, wherein the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, the at least one Solid Oxide electrolysis stack is encapsulated in a metal container, wherein the two gas inlet connections and the two gas outlet connections are attached to the metal container. The invention further relates to Solid Oxide Electrolyzer with at least one stack module and a method of exchanging a stack module of a Solid Oxide Electrolyzer.

用于回收阴极介质的方法、电解装置以及电解系统

Resumen de: DE102023213299A1

Die Erfindung betrifft ein Verfahren zum Rückführen von Kathodenmedium (7) in einem Elektrolyseuraggregat (1), insbesondere einem PEM- oder AEM-Elektrolyseuraggregat (1), wobei zeitlich vor einem Wiedereinspeisen des einen Elektrolysezellenstapel (10) des Elektrolyseuraggregats (1) verlassenden Kathodenmediums (7) in ein Mediumreservoir (23) einer Mediumversorgung (20) des Elektrolyseuraggregats (1), ein im Kathodenmedium (7) vorliegender Wasserstoff (8) abgetrennt wird, und ferner zeitlich vor dem Wiedereinspeisen des Kathodenmediums (7) in das Mediumreservoir (23), in einem Verdünnschritt (V) des Rückführverfahrens dem Kathodenmedium (7) frisches Versorgungsmedium (3) zugeführt und derart eine Konzentration von Wasserstoff (8) im Kathodenmedium (7) verringert wird.

Water electrolysis hydrogen production system

Resumen de: CN120193284A

The invention relates to a water electrolysis hydrogen production system, and relates to the technical field of water electrolysis hydrogen production, the water electrolysis hydrogen production system comprises an electrolytic bath, the anode side of the electrolytic bath is communicated with a vacuum assembly, the vacuum assembly enables the anode side of the electrolytic bath to form negative pressure, and one side of the vacuum assembly is provided with an oxygen separation assembly; and one side, deviating from the vacuum assembly, of the oxygen separation assembly is relatively communicated with the cathode side of the electrolytic cell, and water is supplemented to the cathode side of the electrolytic cell. The method has the effect of reducing the influence of bubbles on the electrolysis process.

酸素発生電極触媒を含む電極

Resumen de: WO2025041808A1

Provided is an electrode exhibiting high oxygen generating electrode catalytic activity as compared with conventional electrodes using manganese-based oxide as an oxygen generating electrode catalyst.

水素ガスの製造方法及び製造装置

Resumen de: WO2025126639A1

Provided is a method for producing a hydrogen gas, which enables the production of a hydrogen gas with high energy efficiency. This method for producing a hydrogen gas includes: placing water between electrodes; and allowing pulsed discharge to occur between the electrodes to decompose water molecules, thereby generating the hydrogen gas. In the method, the frequency for the pulsed discharge is 190-196 kHz or a double vibration frequency thereof.

DEVICE FOR PRODUCING HYDROGEN FROM AMMONIA

Resumen de: WO2025127755A1

A hydrogen production apparatus of the present invention comprises: an ammonia decomposition reactor for decomposing ammonia to discharge a mixed gas including hydrogen, nitrogen, and unreacted ammonia; an ammonia remover for receiving the mixed gas, adsorbing and removing the unreacted ammonia included in the mixed gas, and discharging a first product gas including hydrogen and nitrogen and a first tail gas; and a nitrogen remover for receiving the first product gas, removing nitrogen included in the first product gas, and discharging a second product gas including hydrogen and a second tail gas, wherein the second product gas discharged from the nitrogen remover is resupplied to the nitrogen remover as a purge gas and a pressurizing gas. According to the hydrogen production apparatus of the present invention, high-purity hydrogen can be continuously produced in large quantities.

HYDROGEN PRODUCTION FACILITY USING LOW-TEMPERATURE WATER ELECTROLYSIS ASSOCIATED WITH NUCLEAR POWER PLANT AND HIGH-EFFICIENCY COMPLEX PLANT HAVING THE SAME

Resumen de: KR20250092336A

본 발명에 의하면, 수저해 시스템; 및 상기 수전해 시스템을 원자력 발전 시스템과 연계시키는 중간 열교환 시스템을 포함하며, 상기 수전해 시스템은, 저온 수전해 방식으로 전해수를 수소와 산소로 전기분해하여 수소를 생성하고 상기 원자력 발전 시스템으로부터 상기 전기분해에 필요한 전력을 공급받는 수전해기와, 상기 수전해기로부터 생성된 수소가스를 냉수와 열교환시켜서 냉각하는 수소가스 냉각기를 구비하며, 상기 전해수는 상기 수전해기에 순환 공급되며, 상기 중간 열교환 시스템은 전해수 열교환기와, 흡수식 냉동기와, 냉동기 열교환기를 구비하며, 상기 전해수 열교환기는 상기 전해수를 상기 원자력 발전 시스템에 구비되는 증기 발생기로 공급되는 급수와 열교환시켜서 상기 전해수를 냉각하고 상기 급수를 가열하며, 상기 냉수가 상기 흡수식 냉동기의 냉동기 냉수로서 상기 흡수식 냉동기와 상기 수소가스 냉동기 사이를 순환하고, 냉동기 온수가 상기 흡수식 냉동기와 상기 냉동기 열교환기 사이를 순환하며, 상기 냉동기 열교환기는 상기 냉동기 온수를 상기 원자력 발전 시스템에 구비되는 증기 발생기로 공급되는 급수와 열교환시켜서 상기 급수를 가열하는 원자력 발전 연계형 수소 생산 설비가 제공

AUTOTHERMAL REFORMING HYDROGEN PRODUCTION FACILITY ASSOCIATED WITH WATER ELECTROLYSIS FACILITY COMPLEX HYDROGEN PRODUCTION SYSTEM HAVING THE SAME AND METHOD FOR CONTROLLING OXIGEN SUPPLY OF THE SAME

Resumen de: KR20250092308A

본 발명에 의하면, 메탄을 포함하는 메탄 원료가스에 대한 자열 개질 반응을 수행하여 수소를 포함하는 개질가스를 생산하는 자열 개질 반응기; 및 상기 자열 개질 반응기로 상기 자열 개질 반응에 필요한 산소를 공급하는 산소 공급부를 포함하며, 상기 산소 공급부는 물을 수소와 산소로 전기분해하는 수전해기에서 생성된 부생산소를 상기 자열 개질 반응기에 공급하는 부생산소 공급 시설을 구비하는 자열 개질 수소 생산 설비가 제공된다.

ELECTROLYZER CELL MODULE AND METHOD OF OPERATING THEREOF USING SEPARATE STACK AIR FLOW AND PRODUCT COOLING FLOW FIELD

Resumen de: US2025198025A1

A method of operating an electrolyzer module includes providing a first air stream and steam into a stack of electrolyzer cells located in a hotbox and outputting a product stream containing hydrogen and steam, and an oxygen exhaust stream, providing the product stream to an internal product cooler (IPC) heat exchanger located in the hotbox to reduce the temperature of the product stream by transferring heat to the first air stream, and providing the product stream from the IPC to an external product cooler (EPC) heat exchanger located outside of the hotbox and inside of a cabinet housing the hotbox to further reduce the temperature of the product stream by transferring heat to a fluid stream.

Platinum-plated titanium porous transport layers manufacturing method and titanium porous membrane using the same

Resumen de: KR20250092966A

본 발명은 티타늄 다공막 제조방법과 관련된다. 본 발명은 실시예로, 본 발명의 소결체 상태의 티타늄 다공막을 피도금재로서 준비하는 제1단계, 샌드 블라스팅 공정 및 산세정액을 이용하여 상기 티타늄 다공막 표면에 형성된 산화막을 제거하는 제2단계, 상기 제2단계에서 표면처리된 티타늄 다공막의 표면에 백금을 도금하는 제3단계 및 상기 제3단계에서 얻어진 백금 도금 티타늄 다공막을 400-800℃로 열처리하는 제4단계를 포함하는 티타늄 다공막 제조방법을 제시한다.

Hydrogen evolution electrode and preparation method thereof

Resumen de: CN120193299A

The invention provides a hydrogen evolution electrode and a preparation method thereof, and belongs to the technical field of electrode preparation. The invention provides a preparation method of a hydrogen evolution electrode, which comprises the following steps: mixing a nickel net coated with a Raney nickel coating with a strong alkali solution for oxidation reaction, and removing aluminum in the Raney nickel coating to obtain a nickel net with a Raney nickel porous coating; mixing the nickel net with the Raney nickel porous coating with a solution containing a noble metal salt and/or a noble metal complex, carrying out a replacement reaction, reducing noble metal ions into metal elementary substances, loading the metal elementary substances on the Raney nickel porous coating, and obtaining a hydrogen evolution electrode precursor; and carrying out heat treatment on the hydrogen evolution electrode precursor to obtain the hydrogen evolution electrode. The activity of the hydrogen evolution electrode is improved by enlarging the specific surface area of the nickel net; the binding force between the precious metal and the coating is improved through heat treatment, so that the precious metal is not prone to falling off, and the activity of the hydrogen evolution electrode is further improved.

High-pressure alkaline electrolyzer with independent oxygen and hydrogen cycles

Resumen de: PL447183A1

Przedmiotem zgłoszenia jest wysokociśnieniowy elektrolizer alkaliczny wodoru i tlenu, będący urządzeniem, które jednocześnie wytwarza wodór i tlen na drodze procesu elektrolizy wody, po doprowadzeniu do anody i katody (elektrod) potencjału elektrycznego. Wysokociśnieniowy elektrolizer ma dwie niezależne od siebie pompy (12) umieszczone po jednej na dwóch przewodach zasilających elektrolitem alkalicznym, gdzie oba przewody zasilające połączone są po stronie tłocznej pomp (12) do dwóch stron hydro akumulatora (11), a w dalszym biegu przewodów zasilających jeden przewód podłączony jest do króćca zasilającego obiegu tlenowego (T), a drugi przewód do króćca zasilającego obiegu wodorowego (W) i w dalszym biegu przewód (W) połączony jest równolegle z obiegami omywającymi elektrolitem katody, a przewód (T) połączony jest równolegle z obiegami omywającymi anody pakietu elektrod katoda/anoda (2), gdzie sąsiadujące ze sobą obiegi katody i anody oddzielone są od siebie szczelnie membranami elektrolitycznymi (3).

- SEPARATOR FOR POLYMER ELECTROLYTE MEMBRANE-ELECTRODE ASSEMBLY

Resumen de: KR20250092047A

제1 방향 및 제2 방향으로 연장되며 제3 방향으로 서로 마주보는 제1 면과 제2 면, 및 제2 방향으로 연장되며 제1 방향으로 서로 마주보는 제3 면 및 제4 면을 가지는 기판, 제1 면, 제2 면, 또는 제1 면 및 제2 면의 표면에 위치하는 채널, 채널로 개구되며 채널을 따라 이격되어 배치되는 복수개의 제1 개구들, 제1 개구들과 연결되며 기판을 관통하여 기판의 일 측으로 개구되는 제1 관통 유로, 채널로 개구되며 채널을 따라 이격되어 배치되는 복수개의 제2 개구들, 그리고, 제2 개구들과 연결되며 기판을 관통하여 기판의 일 측으로 개구되는 제2 관통 유로를 포함하며, 제1 개구들 또는 제2 개구들은 서로 이격 배치되고, 제1 관통 유로와 제2 관통 유로는 서로 이격 배치되는, 고분자 전해질 막-전극 어셈블리용 분리판을 제공한다.

SEPARATOR

Resumen de: KR20250091968A

본 발명의 예시적인 실시예들에 따르면, 스택의 열 취급을 용이하게 수행할 수 있는 분리판이 제공된다. 상기 분리판은, 제1 사이드에 위치하고, 제1 유체가 공급되도록 구성된 제1 공급구, 상기 제1 공급구와 연결되고, 상기 제1 유체가 상기 제1 사이드와 반대인 제2 사이드를 향해 유동하도록 구성된 제1 유로, 상기 제1 유로와 이격되고, 상기 제2 사이드로 유동한 상기 제1 유체가 상기 제1 사이드를 향해 유동하도록 구성된 제2 유로, 및 상기 제1 사이드에 위치하고, 상기 제2 유로와 연결되되, 상기 제1 유체가 배출되도록 구성된 제1 배출구를 포함하고, 상기 제2 유로는, 상기 제2 사이드에 인접하게 위치하고, 상기 제2 사이드로 유동한 상기 제1 유체가 상기 제2 유로로 유동하도록 구성된 관통구를 포함한다.

SEPARATOR FOR ELECTROCHEMICAL DEVICE ELECTROCHEMICAL DEVICE

Resumen de: KR20250092007A

본 발명의 일 실시형태는 유체 입구와, 유체 출구 및 상기 유체 입구 및 상기 유체 출구와 연결된 유로의 적어도 일부를 형성하는 복수의 유선형 벽체를 포함하며, 상기 복수의 유선형 벽체 중 적어도 두 개는 일단과 타단을 연결한 직선이 서로 평행하지 않은 전기화학 디바이스용 분리판을 제공한다.

SUPPORT METHOD FOR MANUFACTURING SUPPORT AND CATALYST FOR AMMONIA DECOMPOSITION CONTAINING SUPPORT

Resumen de: WO2025127730A1

According to exemplary embodiments of the present invention, a support is provided. The support is a support of a catalyst for ammonia decomposition, and the amount of acid sites of the support, as measured by NH3-temperature programmed desorption (NH3-TPD), is 0.006-0.010 mmol/g. Also, according to other exemplary embodiments of the present invention, provided are a method for manufacturing the support, and a catalyst for ammonia decomposition, comprising the support.

INSULATING MANIFOLD FOR ELECTROCHEMICAL REACTIONS WITH EXTERNAL GAS SUPPLY AND ELECTROCHEMICAL REACTION SYSTEM WITHOUT ELECTRICAL CONTACT BETWEEN STACK AND MANIFOLD

Resumen de: US2025201888A1

Disclosed are an insulating manifold for electrochemical reaction configured to receive gas from an external source, and an electrochemical reaction system in which there is no electrical contact between a stack and a manifold. The insulating manifold for the electrochemical reaction includes a plate-shaped base manifold having at least a first fluid conduit and a second fluid conduit extending therethrough vertically; a housing disposed on top of the base manifold and having a vertical wall and an open bottom surface, wherein a lower edge of the housing is coupled to a top of the base manifold; and upper and lower insulating plates respectively defining an upper surface and a lower surface of an inner space defined by the base manifold and the housing.

HYDROGEN PRODUCTION SYSTEM

Resumen de: WO2025127526A1

According to exemplary embodiments of the present invention, a hydrogen production system is provided. The present invention comprises: a hydrogen generation unit configured to receive reduced iron from a reduced iron generation unit configured to generate reduced iron by reducing powdered iron ore in a reducing gas atmosphere, and to generate hydrogen from ammonia by bringing the reduced iron into contact with the ammonia; and a regeneration unit configured to receive the reduced iron from the hydrogen generation unit and to regenerate the reduced iron by reducing the reduced iron in a hydrogen gas atmosphere. According to other exemplary embodiments of the present invention, a method for producing hydrogen is provided.

HYDROGEN PRODUCTION SYSTEM AND HYDROGEN PRODUCTION METHOD

Resumen de: WO2025127896A1

According to exemplary embodiments of the present invention, a hydrogen production system is provided. The hydrogen production system comprises: a dry quenching facility configured to cool coke using a cooling gas; a boiler configured to receive the cooling gas from the dry quenching facility and recover heat energy of the cooling gas to produce first steam and electric power; and a water electrolysis facility configured to receive the electric power from the boiler and electrolyze second steam to produce hydrogen. According to other exemplary embodiments of the present invention, a method for producing hydrogen is provided.

Running control method of renewable energy water electrolysis hydrogen production device

Resumen de: CN120174421A

The invention relates to the technical field of new energy, and discloses an operation control method of a renewable energy water electrolysis hydrogen production device, which comprises the following steps: step 1, collecting renewable energy power data, combining environmental data analysis, and establishing a power prediction model by using a long short-term memory network; step 2, establishing a variational optimal control model of the water electrolysis hydrogen production system, and setting constraint conditions of power input, voltage and current density of an electrolytic bath by taking maximization of hydrogen yield and minimization of electric energy consumption as optimization targets; the power prediction method based on the long-short-term memory network is adopted, accurate prediction of renewable energy power generation fluctuation is achieved, the technical effect of stabilizing the water electrolysis hydrogen production process is achieved, and compared with a simple linear prediction model in the prior art, the power prediction accuracy is remarkably improved, and the power prediction efficiency is improved. The problem that the input power of the electrolytic cell is unstable due to renewable energy fluctuation is solved.

Off-grid photovoltaic power generation hydrogen production system based on power coprocessing

Resumen de: CN120185069A

The invention discloses an off-grid photovoltaic power generation hydrogen production system based on power coprocessing, and relates to the technical field of photovoltaic power generation. Photovoltaic power generation power in a future preset time period is predicted by acquiring current weather data; calculating a power loss coefficient by analyzing historical hydrogen production records; according to the power loss coefficient, the receivable power of the water electrolysis device is predicted, and whether the energy storage equipment needs to supplement power or not is judged; when the photovoltaic power generation is insufficient, calculating a discharge priority coefficient according to the current electric quantity, the discharge frequency, the discharge depth and the battery temperature of the energy storage equipment; according to the sequence of the discharge priority coefficients from large to small, proper energy storage equipment is selected to provide supplementary power until the requirement of the water electrolysis device is met; according to the scheme, the photovoltaic power generation loss is effectively calculated, whether photovoltaic power generation is sufficient or not is judged, the energy storage equipment is reasonably selected for discharging, over-discharging or unbalanced discharging of the energy storage equipment is avoided, and the system stability and long-term reliability are ensured.

Alkaline electrolytic cell adsorption method hydrogen purification system and control method

Resumen de: CN120169105A

The invention discloses an alkaline electrolytic bath adsorption method hydrogen purification system and a control method, and belongs to the technical field of hydrogen purification of alkaline water electrolytic baths, the alkaline electrolytic bath adsorption method hydrogen purification system comprises a deoxidation unit, an adsorption unit connected with the deoxidation unit, and a drying unit connected with the adsorption unit; the adsorption unit comprises: a housing; a containing barrel; and a driver. In the application of the invention, the containing cylinder is arranged and is divided into a plurality of fan-shaped cavities with the same size under a plurality of partition plates, each fan-shaped cavity is filled with an adsorbent, and the adsorbent dynamically changes in an adsorption area, a regeneration area and a cooling area in a shell, so that raw material hydrogen flowing out of a gas-liquid separation system of the alkaline electrolytic cell is deoxidized and adsorbed to remove water; and part of the product hydrogen is utilized to realize online continuous regeneration of the adsorbent, so that the technical problems of complex system and unstable operation in the application of the traditional hydrogen purification technology in the prior art are solved, and the technical effect of cyclic utilization of the adsorbent is realized.

System and method for producing methanol from biomass raw material

Resumen de: CN120169277A

The invention discloses a system and a method for producing methanol from a biomass raw material. The system comprises a purification device, a dry reforming reaction device and a methanol synthesis reaction device, the purification device is connected to the dry reforming reaction device and is used for carrying out dry reforming reaction on the purified biomass synthesis gas serving as part of or all raw material gas; the dry reforming reaction device is connected to the methanol synthesis reaction device; a hydrogen supplementing opening is formed in a pipeline for connecting the dry reforming reaction device and the methanol synthesis reaction device and is used for supplementing hydrogen into the reformed gas to obtain mixed gas; a product flowing out of the methanol synthesis reaction device contains methanol. According to the invention, dry reforming is carried out on the biomass synthesis gas, and methanol synthesis is directly carried out after the hydrogen-carbon ratio of the reformed gas is adjusted in a hydrogen supplementing manner, so that the production process of methanol is simplified, efficient conversion of green carbon in the biomass synthesis gas is realized, and no extra carbon dioxide emission is generated.

PEM hydrogen production flow field bipolar plate, hydrogen production galvanic pile and hydrogen production method thereof

Resumen de: CN120174400A

The invention discloses a PEM hydrogen production flow field bipolar plate, a hydrogen production galvanic pile and a hydrogen production method of the PEM hydrogen production flow field bipolar plate. The PEM hydrogen production flow field bipolar plate comprises a bipolar plate body, an oxygen flow channel and a hydrogen flow channel, the oxygen flow channel and the hydrogen flow channel are respectively arranged on two opposite surfaces of the bipolar plate body; the oxygen flow channel is used for introducing electrolyzed water and forming turbulent flow to promote electrolytic reaction, and the hydrogen flow channel is used for guiding generated hydrogen to be rapidly output. According to the invention, the contact efficiency of electrolyzed water and the proton exchange membrane can be improved, the electrolytic reaction is promoted, and rapid output of hydrogen is realized.

Hydrogen production method and device, computer equipment and readable storage medium

Resumen de: CN120174419A

The invention relates to a hydrogen production method and device, computer equipment and a readable storage medium. The method is applied to an electro-hydrogen coupling system, and the electro-hydrogen coupling system comprises an electrolytic bath; the method comprises the following steps: acquiring working current information and working voltage information of the electrolytic cell when it is detected that the electrolytic cell is in a power balance state; detecting the initial hydrogen production rate of the electrolytic cell based on the working current information, and detecting the energy conversion efficiency of the electro-hydrogen coupling system based on the initial hydrogen production rate, the working voltage information and the working current information; according to the energy conversion efficiency and the electrical resource attribute information of the electricity-hydrogen coupling system under the current working condition, the initial hydrogen production rate is corrected, and the actual hydrogen production rate is obtained; based on the electrical resource attribute information and the actual hydrogen production rate, generating hydrogen production control information when the hydrogen production consumption resource quantity of the electricity-hydrogen coupling system is minimum; and controlling the electro-hydrogen coupling system to execute hydrogen production operation based on the hydrogen production control information. The method can be used for r

Preparation method of carbon-supported platinum-based alloy nano difunctional electrocatalyst

Resumen de: CN120184269A

The invention belongs to the technical field of electrochemical catalysis, and discloses a preparation method of a carbon-loaded platinum-based alloy nano difunctional electrocatalyst. The preparation method comprises the following steps: firstly, preparing high-defect graphene nanospheres in toluene through an underwater arc discharge method, uniformly dispersing a Pt source, transition metal sources such as Fe, Co and Ni, a surfactant and the graphene nanospheres in an N, N-dimethylformamide solution by stirring, and reacting in a microwave reaction kettle for a certain time to obtain a carbon-loaded platinum-based alloy nano catalyst; the platinum element and the transition metal element are reduced into the ordered intermetallic alloy compound nano-particles through the microwave effect, and the sizes of the ordered intermetallic alloy compound nano-particles are uniform; the catalyst has excellent catalytic activity and stability in an alkaline oxygen reduction reaction and a full-pH hydrogen evolution reaction, and is beneficial to the realization of industrial application of hydrogen production by electrolysis of water and hydrogen-oxygen fuel cells.

Electrolysis cell sealing structure of alkaline electrolytic cell

Resumen de: CN120174396A

The invention discloses an electrolytic cell sealing structure of an alkaline electrolytic cell, and relates to the technical field of alkaline water electrolysis hydrogen production, the electrolytic cell sealing structure comprises a first pole frame assembly, a first O-shaped sealing ring group, a diaphragm, an insulating plate, a second O-shaped sealing ring group and a second pole frame assembly which are sequentially stacked and fixedly connected to form an electrolytic cell; the first pole frame assembly is provided with a plurality of oxygen side runners, a plurality of hydrogen side runners, a plurality of oxygen side sealing grooves and a hydrogen side sealing groove; the number of the oxygen side flow channels is the same as that of the oxygen side sealing grooves, and each oxygen side flow channel is located on the inner side of one oxygen side sealing groove; all the hydrogen side runners are positioned on the inner side of the hydrogen side sealing groove; all the oxygen side sealing grooves are located on the outer sides of the hydrogen side sealing grooves. By arranging the large hydrogen side sealing groove and the small oxygen side sealing grooves, the sealing performance of the electrolytic cell is guaranteed, meanwhile, hydrogen and oxygen are better separated, and safety is improved.

氨分解催化剂和氨分解催化剂的制造方法

Resumen de: EP4574255A1

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 subj ected to steam treatment to form a carrier, and an 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.

Hydrogen production power supply system and control method thereof

Resumen de: CN120185025A

The invention discloses a hydrogen production power supply system and a control method thereof. The system comprises a transformer, a main power branch, an auxiliary power branch, at least one group of energy storage branches and a bus bar, a primary winding of the transformer is coupled to an alternating current power grid, and a secondary winding is coupled to the input end of the main power branch; the output end of the main power branch is coupled to the off-grid hydrogen production equipment; the auxiliary power branch is coupled between the secondary winding and the bus bar; the energy storage branches are coupled to the bus bar; the main power branch comprises at least one group of uncontrolled rectifying circuits and at least one group of chopper circuits, the uncontrolled rectifying circuits are used for converting alternating current output by the transformer into direct current, the cost is low, and the chopper circuits are used for adjusting the voltage of the direct current into the voltage required by a load of the chopper branch; the auxiliary power branch is used for outputting power to the bus bar and performing power interaction with an alternating current power grid to improve the response capability to the alternating current power grid; and the energy storage branch is used for pre-storing and releasing electric energy through the bus bar, so that the system stability is improved.

P/Fe-CN electrolyzed water catalyst and preparation method and application thereof

Resumen de: CN120174412A

The invention relates to a P/Fe-CN electrolyzed water catalyst and a preparation method and application thereof, and belongs to the technical field of inorganic synthesis and material preparation. The catalyst takes Fe-ZIF-8 as a core, PB (Prussian Blue) grows outside the Fe-ZIF-8, a composite structure is formed through high-temperature phosphating treatment, and the electrocatalytic water decomposition performance is good. The preparation method comprises the following steps: (1) synthesizing Fe-ZIF-8; 2) growing a PB shell; the material has a three-dimensional pore structure, the conductivity and the catalytic activity can be improved, the overpotentials of a hydrogen evolution reaction (HER) and an oxygen evolution reaction (OER) are 276.8 mV and 292.8 mV respectively under the current density of 10 mA cm <-2 >, and the potential is 1.81 V under the current density of 10 mA cm <-2 > when the material is assembled into a full-hydrolysis battery. The preparation method is simple, low in cost and suitable for large-scale production, and has a certain application prospect.

Coal gasification pure oxygen combustion power generation system

Resumen de: CN120175441A

The invention provides a coal gasification pure oxygen combustion power generation system, which relates to the technical field of oxygen-enriched combustion supercritical carbon dioxide power cycle power generation, and comprises a gasification furnace, a steam generator, a hydrogen separator, a combustion chamber and a turbine, a synthesis gas outlet of the gasification furnace is communicated with the combustion chamber through a high-temperature pipeline of the high-temperature synthesis gas regenerator, a high-temperature pipeline of the low-temperature synthesis gas regenerator, the first cooler and the hydrogen separator in sequence; an exhaust port of the turbine is communicated with the second cooler through a high-temperature pipeline of the high-temperature flue gas regenerator and a high-temperature pipeline of the low-temperature flue gas regenerator in sequence, and an exhaust port of the second cooler is communicated with a low-temperature pipeline exhaust port of the low-temperature flue gas regenerator and an exhaust port of the gasification furnace. A low-temperature pipeline exhaust port of the high-temperature synthesis gas regenerator is communicated with the gasification furnace and the combustion chamber; water vapor and carbon dioxide are introduced into the gasification furnace to participate in gasification, flexibility of water gasification and high efficiency of carbon dioxide gasification are both considered, and heat in the system is fully utiliz

Protection control method of electrolytic power supply, upper computer and electrolytic hydrogen production system

Resumen de: CN120174420A

The invention provides a protection control method of an electrolytic power supply, an upper computer and an electrolytic hydrogen production system. The method comprises the following steps: acquiring an operating state of an electrolytic hydrogen production device and/or operating parameters of the electrolytic power supply; determining a protection strategy according to the operation state of the electrolytic hydrogen production device and/or the operation parameters of the electrolytic power supply; and controlling the electrolysis power supply control device to execute a protection action corresponding to the protection strategy. By means of the protection mode, the electrolytic power source can be cut in or cut out in a targeted mode according to the real-time conditions of the electrolytic hydrogen production device and the electrolytic power source in the operation process, protection of core components such as an electrolytic cell in the electrolytic hydrogen production device is achieved, and the safety and reliability of operation of the electrolytic hydrogen production system are improved.

All-weather hydrogen production device and hydrogen production method

Resumen de: CN120174392A

The invention relates to the technical field of hydrogen production, in particular to an all-weather hydrogen production device and a hydrogen production method.The hydrogen production device comprises a heat collection module, a heat storage and thermoelectric conversion module and a hydrogen production module; the heat storage and thermoelectric conversion module comprises a first heat storage assembly and a second heat storage assembly which have a temperature difference, and is used for providing electric energy for the water electrolysis hydrogen production module through a thermoelectric conversion effect; the hydrogen production module comprises a photocatalytic hydrogen production module and a water electrolysis hydrogen production module, a cathode in the photocatalytic hydrogen production module and a cathode of the water electrolysis hydrogen production module are the same cathode, and an anode in the photocatalytic hydrogen production module and an anode of the water electrolysis hydrogen production module are integrated in the same anode; the anode comprises a conductive electrode, and a photocatalytic hydrogen production anode catalyst and a water electrolysis hydrogen production anode catalyst which are respectively attached to two sides of the conductive electrode. According to the device, photocatalytic hydrogen production and water electrolysis hydrogen production are combined in the same set of device, the equipment integration degree is high, a plurality o

Off-grid type green electricity hydrogen production hydrogen-electricity coupling control system and method

Resumen de: CN120184894A

The invention discloses an off-grid type green electricity hydrogen production hydrogen-electricity coupling control system and method, and belongs to the technical field of green electricity hydrogen production, and the method comprises the steps: executing MPPT control on each photovoltaic module to maximize the output power; distributing the output power to the power type electrolytic cell, and stabilizing the low-voltage side current at a set value by adjusting the duty ratio of the boost DC/DC converter, so that the power type electrolytic cell always operates at a rated power point; the output power is distributed into the adjusting type electrolytic cell, the output voltage of the boosting type DC/DC converter is adjusted, the voltage of the high-voltage side is stabilized at a target value, the adjusting type electrolytic cell absorbs the fluctuation part of the photovoltaic power, the efficiency of the green electric power hydrogen production system can be effectively improved, and the energy storage efficiency is improved without depending on energy storage. And stable and sustainable hydrogen production is realized.

Energy system for synthesizing green methanol based on biomass gasification and oxygen-enriched combustion

Resumen de: CN120169279A

The invention provides an energy system for synthesizing green methanol based on biomass gasification and oxygen-enriched combustion, and belongs to the technical field of new energy. The energy system comprises an electrolysis system, an oxygen-enriched combustion system, a methanol synthesis system, a biomass gasification system and an ammonia-process carbon capture unit, an oxygen outlet of the electrolysis system is communicated with the oxygen-enriched combustion system, and a hydrogen outlet of the electrolysis system is communicated with the methanol synthesis system; oxygen generated by the electrolysis system is supplied to the biomass oxygen-enriched combustion system for supporting combustion, and hydrogen is supplied to the methanol synthesis system; a hydrogen outlet of the biomass gasification system is communicated with the methanol synthesis system; a carbon dioxide outlet of the oxygen-enriched combustion system is communicated with the methanol synthesis system through the ammonia-process carbon capture unit; the material energy flow of the energy system is adjusted through hydrogen generated by the biomass gasification system, and the adjusting flexibility of the energy system is improved; the concentration of carbon dioxide output by the oxygen-enriched combustion system is concentrated through the ammonia-process carbon capture unit, and the pretreatment requirement of methanol synthesis is met.

Combined hydrogen-air all-in-one machine and hydrogen storage assembly thereof

Resumen de: CN120174390A

The invention relates to the technical field of hydrogen production, in particular to a combined hydrogen-air all-in-one machine and a hydrogen storage assembly thereof.The combined hydrogen-air all-in-one machine comprises a bottom plate, a hydrogen production machine is fixedly installed on one side of the upper end face of the bottom plate, an electrolytic tank is fixedly installed at the bottom of an inner cavity of the hydrogen production machine, and a heat storage pipe fixedly installed on the inner wall of the hydrogen production machine in a spiral surrounding mode is arranged above the electrolytic tank; according to the hydrogen production device, after water in the water tank is injected into the electrolytic tank, the hydrogen production machine is started, so that the water in the electrolytic tank is heated and electrolyzed, heat of high temperature generated during hydrogen production in the hydrogen production machine can be recycled through the arrangement of the heat storage pipe, and the hydrogen production efficiency is improved; and high-temperature water vapor generated when the electrolytic tank electrolyzes the hydrogen rises and is adsorbed to the lower end face of the gathering plate, water drops of the gathering plate drop into the collecting box, and a water pump in the recycling pipe is started, so that distilled water generated during hydrogen production in the collecting box is recycled by the recycling pipe.

Performance test method of water electrolysis hydrogen production system

Resumen de: CN120174422A

The invention discloses a performance test method for a water electrolysis hydrogen production system, which comprises the following steps: controlling the water electrolysis hydrogen production system to stably operate for not less than 24 hours under rated working conditions of rated cell pressure, rated cell temperature and rated current so as to carry out a first rated working condition steady-state performance test and obtain initial unit direct-current energy consumption of the water electrolysis hydrogen production system; the load current of the water electrolysis hydrogen production system is controlled to change according to the preset fluctuation current, and annual wind and light fluctuation working condition simulation operation is carried out; wherein the preset fluctuation current is determined according to power supply power fluctuation change of wind and light power generation within at least one year; performing a second rated condition steady-state performance test on the water electrolysis hydrogen production system to obtain the final unit direct-current energy consumption of the water electrolysis hydrogen production system; and comparing the final unit direct-current energy consumption with the initial unit direct-current energy consumption to obtain performance loss data of the water electrolysis hydrogen production system. According to the technical scheme, accurate and reliable performance evaluation on the water electrolysis hydrogen production syst

Method for inhibiting poisoning of anode catalyst for PEM electrolyzed water, modified oxygen evolution catalyst and application

Resumen de: CN120174414A

The invention provides a method for inhibiting poisoning of an anode catalyst for PEM electrolyzed water, a modified oxygen evolution catalyst and application, and relates to the technical field of proton exchange membrane electrolyzed water. The method comprises the following steps: mixing and stirring an oxygen evolution catalyst and an auxiliary modifier in a solvent to obtain a mixed solution I; wherein the auxiliary modifier comprises hydrogen peroxide; mixing the mixed solution I with a modifier, and performing reflux heating to obtain a mixed solution II; wherein the modifier comprises any one or a combination of at least two of a reagent containing acid radical ions, thiourea, phosphide or phosphide; and removing the solvent in the mixed solution II to obtain the modified oxygen evolution catalyst. After the surface of the oxygen evolution catalyst is modified, the strong coordination effect of ionomer sulfonic acid sites is inhibited, a dynamic adjustable hydrogen bond network is constructed, efficient gas transmission is promoted, and finally high-working-condition active expression and long-life stable operation of the catalyst are achieved.

SOLID OXIDE ELECTROLYSIS CELL SYSTEM WITH DUAL RECIRCULATION

Resumen de: KR20250090440A

본 발명은 수증기와 수소의 혼합물을 포함하는 연료와 공기를 입력 받아 전기분해를 통해 수소 및 수증기 혼합물을 생성하는 고체 산화물 전기분해 셀을 포함하고, 상기 고체 산화물 전기분해 셀에서 생성된 수소 및 수증기 혼합물의 일부는 제1분기에서 재순환하여 상기 연료에 혼합되고, 나머지는 분리기에서 수소와 수증기로 분리되고, 상기 분리기에서 분리된 수증기 중 일부는 제2분기에서 재순환되어 상기 연료에 혼합되는 고체 산화물 연료전지 셀 시스템에 관한 것이다.

Power Supply Apparatus for Water Electrolysis Equipment and Method for Control the Same

Resumen de: KR20250090710A

일 실시예에 따른 수전해 설비의 전원 공급 장치는, 전원, 상기 전원으로부터 입력 전력을 제공받고 상기 수전해 설비로 출력 전력을 제공하는 전력변환기, 상기 전력변환기로부터 충전 전력을 제공 받고 상기 전력변환기로 방전 전력을 제공하는 배터리 및 상기 전력변환기 또는 배터리를 제어하는 제어기를 포함하고, 상기 제어기는 상기 출력 전력에 기반하여 상기 충전 전력 및 상기 방전 전력을 제어할 수 있다.

Anode porous film manufacturing method and anode porous film manufactured using the same

Resumen de: KR20250090996A

본 발명은 애노드 다공막 제조방법과 관련된다. 본 발명은 실시예로, 금속소재를 막대 형태로 제조하는 제1단계, 상기 제1단계에서 제조된 막대 형태의 금속소재와 상기 금속소재와 동일한 금속의 분말소재를 혼합하고 용매를 투입하여 슬러리를 제조하는 제2단계, 상기 제2단계에서 제조된 슬러리를 테이프캐스팅하여 그린시트를 제조하는 제3단계, 상기 제3단계에서 제조된 그린시트를 탈지하고 소결하여 소결된 다공막을 얻는 제4단계 및 상기 제4단계에서 얻어진 소결된 다공막을 압연처리하여 표면 조도를 감소시키도록 조절하는 제5단계를 포함하는 애노드 다공막 제조방법을 제시한다.

Power Supply Apparatus for Water Electrolysis Equipment

Resumen de: KR20250090704A

일 실시예에 따른 수전해 설비의 전원 공급 장치는, 전원, 상기 전원으로부터 입력 전력을 제공받고 상기 수전해 설비로 출력 전력을 제공하는 전력변환기 및 상기 전력변환기를 제어하는 제어기를 포함하고, 상기 전력변환기는 상기 입력 전력을 상기 수전해 설비의 작동 조건에 맞는 출력 전력으로 변환할 수 있다.

- MEMBRANE-ELECTRODE ASSEMBLY AND WATER ELECTROLYSIS CELL COMPRISING THE SAME