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764
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Última actualización
21/11/2025 [06:57:00]
Resultados 100 a 125 de 764
Resumen de: JP2025165009A
【課題】 水電解システムにおいて、目標露点となっている水素を短時間で製造する技術を提供する。【解決手段】 水電解システムは、水の電気分解によって水素を生成する水電解装置と、水電解装置に接続され、水電解装置によって生成された水素と水とを含むガスが流れる流路と、流路に接続され、水電解装置から供給されるガスを収容する収容部と、収容部に供給されるガスを冷却する冷却部と、収容部の内部の温度を検出する温度検出部と、収容部の内部の圧力を変更する圧力変更部と、収容部の内部の露点が目標露点となるための収容部の内部の温度と圧力との関係を示す情報と、温度検出部によって検出された温度と、を用いて目標圧力を推定し、収容部の内部の圧力が目標圧力になるように、圧力変更部を制御する制御部と、を備える。【選択図】 図１
Resumen de: MX2025012653A
Process for the preparation of methanol comprising the steps of (a) preparing a hydrogen feedstock by electrolysis (b) providing a carbon oxide feedstock in periods of operating the electrolysis in step (a) (c) mixing at least part of the hydrogen feed and carbon oxide source consisting of carbon monoxide and/or carbon dioxide feed to obtain a methanol synthesis gas; (d) adjusting the molar content of hydrogen, carbon monoxide and/or carbon dioxide from step (c) to a module M of (H2-CO2)/(CO2+CO) to between 1.9 and 2.2 (e) converting the methanol synthesis gas in one or more boiling water reactors to methanol; in periods without operating the electrolysis in step (a) (f) interrupting the converting of the methanol synthesis gas in the one or more boiling water reactors by heat exchange with boiling water, wherein in step (f) the one or more boiling water reactors are heated by one or more auxiliary heaters to maintain boiling of the water in the one or more boiling water reactors.
Resumen de: FR3161690A1
Couplage d’une installation d’hydrogénation ou d’oxydation (2) et d’une installation de production de dihydrogène (3) pour transférer (4) de la chaleur produite par l’installation d’hydrogénation ou d’oxydation (2) à un flux d’entrée d’un dispositif électrochimique de l’installation de production de dihydrogène (3) et/ou pour acheminer (100) vers l’installation d’hydrogénation ou d’oxydation (2) un ou plusieurs fluides formés par le dispositif électrochimique. Figure pour l’abrégé : Fig. 6
Resumen de: FR3161689A1
L’invention concerne un procédé de production d’hydrogène par électrolyse de vapeur d’eau, comprenant les étapes suivantes : production de vapeur d’eau (112) par chauffage d’eau liquide (204), etélectrolyse, dans une unité d’électrolyse (102), d’au moins une partie de ladite vapeur d’eau (112), pour fournir un premier flux de sortie (116) riche en hydrogène et d’un deuxième flux de sortie (118) riche en oxygène ; caractérisé en ce que la production de la vapeur d’eau est réalisée par au moins un circuit de pompe à chaleur réutilisant une partie de la chaleur d’au moins un desdits flux de sortie (116,118) pour vaporiser l’eau liquide. Elle concerne également un système (400) mettant en œuvre un tel procédé. Voir Figure 4
Resumen de: WO2024208614A1
- 27 - Method for use in controlling operation of a hydrogen production plant ABSTRACT The invention provides computer-implemented method for use in controlling operation of a hydrogen production plant, the method comprising determining a maximum available amount of energy of a predetermined energy category in a current time interval; determining a target minimum amount of the energy of the predetermined energy category to be used for hydrogen production in the current time interval; and determining hydrogen setpoints for the current time interval using the maximum available amount and the target minimum amount as constraints. Fig. 1b
Resumen de: KR20230147339A
The present invention provides a device for producing hydrogen using a thermochemical redox cycle. A device for producing hydrogen according to one embodiment of the present invention comprises: a first reactor having one end selectively connected to a heat supply source through a valve and the other end selectively connected to an external cooling device and a heat source-using device through a valve; a second reactor having one end selectively connected to the heat supply source through a valve and the other end selectively connected to the external cooling device and the heat source-using device through a valve; and a control unit performing a control operation by adjusting the state of the valve so that hydrogen or oxygen may be produced in the first reactor and the second reactor. Hydrogen or oxygen can be produced in a plurality of reactors by adjusting the state of a valve.
Resumen de: JP2024140857A
To provide a hydrogen production system and an operation method of the hydrogen production system capable of suppressing the production cost of hydrogen generated by electrolysis of steam in a solid oxide electrolytic cell (SOEC) and expanding the range of the amount of steam which can be electrolyzed.SOLUTION: A hydrogen production system includes a solid oxide electrolytic cell (SOEC) for electrolysis of steam, a steam generator for heating feed water to generate steam, and a combustor for burning a part of hydrogen included in the steam discharged from the hydrogen electrode of the SOEC. The steam generator is configured such that at least a part of the supply water is heated by heat exchange between at least a part of the supply water and a gas containing combustion gas generated in the combustor to generate at least a part of the steam.SELECTED DRAWING: Figure 1
Resumen de: AU2024237817A1
The present invention relates to an electrolyser system (10) comprising at least one electrolyser (20), the electrolyser (20) comprising at least one steam inlet (41) and at least one off-gas outlet (38; 39), and a turbocharger (62) 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 can comprise a steam source fluidically connected to the drive fluid inlet of the turbocharger (62) for powering the turbine (12) using pressurised steam.
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: AU2024286612A1
Disclosed are a system and method for the generation of hydrogen from a source of liquid comprising water. The system comprises a high fluid velocity electrolyzer comprising an inlet and an outlet, the inlet of the high fluid velocity electrolyzer fluidly connected to the source of liquid, and a gas fractionation system fluidly connected to the outlet of the high fluid velocity electrolyzer.
Resumen de: WO2025223733A1
The invention relates to a process (100) for producing a hydrogen product (81) from an endothermic cracking reaction of an ammonia feed (4), comprising the following steps: - in said cracking unit, performing (S20) the endothermic cracking reaction of the ammonia feed, thereby producing a cracked gas (80) containing hydrogen (81), nitrogen (82) and unconverted ammonia (83), - in said cracking unit, combusting the separated unconverted ammonia in a combustion step (S40) to provide heat to the endothermic cracking reaction, - reducing (S50) a cracking temperature (Tc) of the endothermic cracking reaction, thus increasing the amount of unconverted ammonia in the cracked gas and to be combusted to provide heat to the endothermic cracking reaction, - controlling (S60) the flow of the ammonia feed directed to the cracking unit to produce a desired amount of hydrogen product (Psp).
Resumen de: WO2025220485A1
The present disclosure provides an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing a temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: a hydrogen generation unit (10) provided with an electrolytic cell (105) having a hydrogen electrode, an oxygen electrode, and a solid electrolyte membrane; a raw material gas supply port (11); a hydrogen gas discharge port (12); a raw material gas supply-side heat exchange unit (13); and a hydrogen gas discharge-side heat exchange unit (14). The raw material gas supply-side heat exchange unit and the hydrogen gas discharge-side heat exchange unit are each composed of a heat transfer unit and a header unit. The heat transfer unit area of the hydrogen gas discharge-side heat exchange unit is larger than the heat transfer unit area of the raw material gas supply-side heat exchange unit.
Resumen de: WO2025223916A1
The invention relates to a method for producing hydrogen via steam electrolysis, the method comprising the following steps: - producing steam (112) by heating liquid water (204); and - electrolysing, in an electrolysis unit (102), at least a portion of the steam (112) to provide a first output stream (116) rich in hydrogen and a second output stream (118) rich in oxygen; characterised in that the steam is produced by at least one heat pump circuit reusing a portion of the heat from at least one of the output streams (116, 118) in order to vaporise the liquid water. The invention also relates to a system (400) implementing such a method.
Resumen de: WO2025223924A1
The invention relates to the coupling of a hydrogenation or oxidation plant (2) and a dihydrogen production plant (3), for transferring (4) heat generated by the hydrogenation or oxidation plant (2) to an input stream of an electrochemical device of the dihydrogen production plant (3) and/or for feeding (100), to said hydrogenation or oxidation plant (2), one or more fluids formed by the electrochemical device.
Resumen de: WO2025223600A1
The invention relates to a porous transport layer (1) for use in an electrolyzer, wherein the transport layer (1) has a plurality of layers (2-4) which are connected to one another, at least one of the layers (2) has a porosity of less than 75%, another layer (3) has a porosity of 75% to 90%, all of the layers (2-4) consist of metal and are integrally bonded to one another, and at least one of the layers (3) consists of a sheet material made of wire or an expanded metal mesh, said sheet material having a main plane and a 3D structuring perpendicular to the main plane such that flow channels are formed in conjunction with an adjacent layer (4, 2).
Resumen de: WO2025223592A1
It is an object of the invention to provide a reactor system based on an alkaline electrolysis system and an associated process for producing a synthetic fuel gas having a high proportion of oxygen from natural gas, biogas or exhaust gases from an internal combustion engine with hydrogen and oxygen formed in the electrolysis as fuel gas or synthesis gas. As a result of a high proportion of oxygen in the fuel gas of more than 20% by volume, the energy content of the new synthetic fuel gas is significantly higher than that of mixed gases already used in practice with a proportion of oxygen of less than 5% by volume. The arrangement of the reactor, including all additional systems, in a container allows largely standardized prefabrication on the part of the manufacturer of the reactor comprising the electrolysis system, including compliance with and installation of corresponding safety devices. The reactor system and the process for producing a fuel gas (25) from a carrier gas (11), e.g. natural gas (11), hydrogen, and oxygen utilize an alkaline low-voltage electrolysis system (3) which consists of a plurality of individual cells (4) within a reactor housing (2) and allows the fuel gas (25) to be formed in the individual cell (4) already during electrolysis. In spite of its high oxygen content, the fuel gas (25) is combustible but not explosive.
Resumen de: WO2025223593A1
The object of the invention is to use an electric generator system with an internal combustion engine in combination with a reactor system based on an alkaline electrolysis system for producing a fuel gas with a high oxygen content from a carrier gas, e.g. natural gas, and/or the exhaust gases of internal combustion engines and using the hydrogen and oxygen produced during the electrolysis process, and to provide a method for producing a fuel gas or synthesis gas with a high oxygen content by means of the reactor, wherein the energy input for producing the fuel gas is reduced and the water input is minimized compared to already known methods and systems. The system and the method for producing a fuel gas (25) from a carrier gas (11), e.g. natural gas (11), exhaust gases from internal combustion engines, hydrogen and oxygen, use an alkaline low-voltage electrolysis system (3), which consists of a plurality of individual cells (4) within a reactor housing (2) and allows the fuel gas (25) to be produced directly in the individual cell (4) during electrolysis. Despite its high oxygen content, the fuel gas (25) is combustible but not explosive.
Resumen de: WO2025225856A1
A solid oxide water electrolysis system is disclosed. The disclosed system comprises: a stack including a fuel electrode, an electrolyte, and an air electrode; a fuel electrode recuperator configured to exchange heat between a product discharged from the fuel electrode and water vapor supplied to the fuel electrode; a recycle blower configured to recirculate a portion of the product discharged from the fuel electrode recuperator to the fuel electrode recuperator; a product cooler configured to cool the remainder of the product discharged from the fuel electrode recuperator; a separator configured to separate the product discharged at least from the product cooler into hydrogen and water; an air blower configured to supply outside air to the air electrode; and an air electrode recuperator configured to exchange heat between exhaust discharged from the air electrode and the outside air supplied to the air electrode.
Resumen de: WO2025226337A2
Methods and systems for synthesis using an underwater electric arc. Such methods and systems form an electrical arc between an anode and a cathode positioned under water or within an aqueous mist and introduce an added material into the vicinity of the electrical arc. The formation of the electrical arc in the vicinity of the added material facilitates synthesis of chemical products from the added material. Such synthesized chemical products include ammonia, hydrogen, cyanide, and hydrogen cyanide.
Resumen de: WO2025226320A2
An integrated energy system including a power plant is discussed herein. In some examples, the integrated energy system may include at least one nuclear reactor and electrical power generation system configured to generate steam and electricity, a water treatment plant configured to produce Sodium Hydroxide (NaOH) from salt water, a Sodium Formate (HCOONa) production plant configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Thermal Decomposition reactor configured to receive the Sodium Formate (HCOONa) and configured to receive at least a first portion of the steam or at least a second portion of the electricity from the power plant to indirectly heat the Thermal Decomposition reactor to produce Hydrogen (H2), Carbon Dioxide (CO2), and Carbon Monoxide (CO) from the Sodium Formate (HCOONa), and a Methanol (CH3OH) reaction chamber configured to receive the Hydrogen (H2), the Carbon Dioxide (CO2), and the Carbon Monoxide (CO) to produce Methanol (CH3OH).
Resumen de: DE102024204053A1
Offenbart sind eine Festoxid-Elektrolysezelle und ein Verfahren zu deren Herstellung.
Resumen de: WO2025226115A1
The present invention relates to a super-hydrophilic titanium oxide nanotube electrode electrodeposited with metal nanoparticles and, more specifically, to a method for manufacturing a super-hydrophilic titanium oxide nanotube-based electrode electrodeposited with metal nanoparticles through simple electrooxidation and electrodeposition.
Resumen de: WO2025225466A1
An evaluation system according to the present invention evaluates the performance of an electrolysis cell that electrolyzes supplied steam to generate hydrogen gas or a test piece that is a portion thereof and comprises a steam supply line that supplies steam to the test piece, a hydrogen gas extraction line that extracts hydrogen gas that is generated from the test piece by electrolysis, a generated hydrogen information acquisition unit that acquires generated hydrogen information that directly or indirectly indicates the hydrogen gas content of a fluid that flows along the hydrogen gas extraction line, and a steam control unit that controls the flow rate of the steam supplied to the test piece from the steam supply line on the basis of the acquired generated hydrogen information.
Resumen de: WO2025223557A1
An electrode of an electrolytic cell, and an application thereof. The electrode comprises: a substrate (102); a surface treatment layer (106), which is formed on the substrate (102); and a catalyst layer (20), which is formed on the surface treatment layer (106). The surface structure and/or surface properties of the substrate can be modified by means of the surface treatment layer, so that the surface area of a subsequent electrode is increased, allowing more active sites to be exposed, thereby effectively improving the electrochemical performance of the electrode.
Nº publicación: WO2025223558A1 30/10/2025
Solicitante:
SHANGHAI JUNA NEW MATERIAL TECH CO LTD [CN]
SUZHOU JUNA NEW MATERIAL TECH CO LTD [CN]
\u4E0A\u6D77\u8392\u7EB3\u65B0\u6750\u6599\u79D1\u6280\u6709\u9650\u516C\u53F8,
\u82CF\u5DDE\u8392\u7EB3\u65B0\u6750\u6599\u79D1\u6280\u6709\u9650\u516C\u53F8
Resumen de: WO2025223558A1
An electrode of an electrolyzer, and the use thereof. The electrode comprises a substrate (30) and a catalyst layer (20) formed on the substrate, wherein the catalyst layer comprises a plurality of first catalyst zones (201) and a plurality of second catalyst zones (202), and the structural texture of the first catalyst zones (201) is different from the structural texture of the second catalyst zones (202). Using the catalyst zones having different structural textures can increase active sites of the catalyst layer, and can also achieve an effective dispersion effect on the distribution of an active catalyst on the substrate, so as to avoid excessive agglomeration in local regions, thus increasing the utilization rate of precious metal.
BOPI
Sede Electrónica
