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434
resultados
Última actualización
16/08/2025 [06:57:00]
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).
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.
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.
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).
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.
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.
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.
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.
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.
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).
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
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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).
Nº publicación: WO2025164073A1 07/08/2025
Solicitante:
MITSUBISHI HEAVY IND LTD [JP]
MITSUBISHI POWER LTD [JP]
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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.
BOPI
Sede Electrónica
