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Hidrógeno electrolítico

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氢的制造方法

NºPublicación:  CN121568895A 24/02/2026
Solicitante: 
国立研究开发法人科学技术振兴机构
CN_121568895_PA

Resumen de: WO2025028396A1

A method for producing hydrogen is provided in which ammonia can be highly efficiently decomposed even with low power consumption to produce hydrogen. This method for producing hydrogen includes a step in which an ammonia decomposition catalyst including a titanium oxide represented by general formula (1) or a titanium oxynitride represented by general formula (2) is brought into contact with ammonia while being irradiated with microwaves at low output. General formula (1): ATiO3-x (A is at least one member selected from the group consisting of Ba and Sr, and x is a number represented by 0.1≤x≤2.0.) General formula (2): ATiO3-xNy (A is at least one member selected from the group consisting of Ba and Sr, x is a number represented by 0.1≤x≤2.0, and y is a number represented by 0.1≤y≤1.0.) 

膜电极组件及其制造方法

NºPublicación:  CN121569377A 24/02/2026
Solicitante: 
三星电机株式会社
CN_121569377_PA

Resumen de: WO2025105885A1

A membrane-electrode assembly includes a first catalyst electrode, a polymer electrolyte membrane covering a side surface and an upper surface of the first catalyst electrode, and a second catalyst electrode disposed on the polymer electrolyte membrane, in which at least a portion of a corner area in which the side surface and the upper surface of the first catalyst electrode are connected has a curved shape.

固体氧化物电池堆紧固装置以及使用该固体氧化物电池堆紧固装置的固体氧化物反应装置

NºPublicación:  CN121569379A 24/02/2026
Solicitante: 
三星电机株式会社
CN_121569379_PA

Resumen de: WO2025095296A1

A solid oxide cell stack fastening apparatus, in which downward pressure applied to the solid oxide cell stack is uniform throughout, includes a housing which accommodates a solid oxide cell stack and includes a first coupling part on one side thereof, and a first block which includes a second coupling part and an elastic member in contact with the solid oxide cell stack. The first coupling part and the second coupling part each have screw threads coupled to each other.

光触媒セル及び水素ガス生成システム

NºPublicación:  JP2026030386A 20/02/2026
Solicitante: 
シャープ株式会社
JP_2026030386_PA

Resumen de: US20260043150A1

A photocatalytic cell of the disclosure is installed in an inclined manner at an angle of 5° or more and 45° or less with respect to a horizontal plane. The photocatalytic cell includes: a translucent member; an electrolytic solution; a photocatalytic sheet including photocatalytic particles; an injection port through which the electrolytic solution is injected into an inside of the photocatalytic cell; a discharge port through which the electrolytic solution is discharged to an outside of the photocatalytic cell; and an exhaust port through which gas inside the photocatalytic cell is discharged, at least a part of the photocatalytic sheet is immersed in the electrolytic solution, a position of the exhaust port is higher than a position of the injection port, a gap between a surface of the translucent member and a surface of the photocatalytic sheet is 5 mm or more and 50 mm or less in width, and the injection port and the discharge port allow the electrolytic solution to flow from an upper part toward a lower part in the gap between the translucent member and the photocatalytic sheet.

METHOD FOR PRODUCING HYDROGEN FROM A SOLUTION OF A HIGH CONCENTRATION OF HYDRONIUM IONS

NºPublicación:  WO2026039480A1 19/02/2026
Solicitante: 
HORNADAY DEV LLC [US]
HORNADAY DEVELOPMENT, LLC
WO_2026039480_PA

Resumen de: WO2026039480A1

A method for producing hydrogen including: performing electrolysis of a hydronium solution, the hydronium solution including: a molecule including hydrogen and oxygen; hydronium ions; hydroxide anions (OH-); a pH between -1.0 and 0.5; and a hydroxide anion OH- concentration of about 1% or less, wherein the hydronium solution is configured to maintain the same pH and the same hydroxide anion OH- concentration for at least six years. A method for producing hydrogen including: performing electrolysis of a hydronium solution, the hydronium solution including: a molecule including hydrogen and oxygen; hydronium ions; hydroxide anions (OH-); a pH between -1.0 and 0.5; and a hydroxide anion OH- concentration of about 1% or less, wherein the hydronium solution is configured to maintain the same pH and the same hydroxide anion OH-

ANION CONDUCTIVE FILM, METHOD FOR PRODUCING ANION CONDUCTIVE FILM, MEMBRANE ELECTRODE ASSEMBLY, HYDROGEN PRODUCTION METHOD, AND HYDROGEN PRODUCTION SYSTEM

NºPublicación:  WO2026038553A1 19/02/2026
Solicitante: 
FUJIFILM CORP [JP]
\u5BCC\u58EB\u30D5\u30A4\u30EB\u30E0\u682A\u5F0F\u4F1A\u793E
WO_2026038553_PA

Resumen de: WO2026038553A1

The present invention pertains to: an anion conductive film which includes a porous base material and an anion conductive polymer that is disposed, in addition to being provided inside of pores of the porous base material, on 70% or more of the area of at least one surface of the porous base material, and in which the anion conductive polymer has a constituent component (I) derived from a polyfunctional polymerizable monomer having a total of 2 or more of at least one atom selected from an oxygen atom, a sulfur atom, and a nitrogen atom at a structural part other than a polymerizable group, and the proportion of the constituent component (I) among all constituent components of the polymer is 50 mol% or more; a method for producing the anion conductive film; a membrane electrode assembly; a hydrogen production method; and a hydrogen production system.

PREPARATION AND USE OF NICKEL-FOAM-SUPPORTED LAYERED COBALT TUNGSTEN OXIDE CATALYST FOR EFFICIENT WATER DECOMPOSITION

NºPublicación:  WO2026037094A1 19/02/2026
Solicitante: 
HAINAN NORMAL UNIV [CN]
\u6D77\u5357\u5E08\u8303\u5927\u5B66
WO_2026037094_PA

Resumen de: WO2026037094A1

The present invention belongs to the technical field of electrochemical catalysis. Disclosed are the preparation and use of a nickel-foam-supported layered cobalt tungsten oxide catalyst for efficient water decomposition. In the present invention, nickel foam (NF) is selected as a substrate, on which two cobalt oxides having different morphologies successively grow by means of electrochemical deposition, wherein ComCo3O4 serves as a first layer and can tightly wrap around the NF, thereby preventing the NF from anodic corrosion and dissolution in a harsh acidic medium; AcCo3O4 serves as a second layer, and nanosheet-shaped Co3O4 has good OER activity itself; in addition, the large specific surface area also provides more growth sites for a tungsten oxide; and finally, the tungsten oxide is electrically deposited on the AcCo3O4. WxOy/AcCo3O4/ComCo3O4/NF prepared by using the above method has a low overpotential and good stability.

PHOTOELECTRIC CELL WITH SILICON CARBIDE ELECTRODE AND PRODUCTION METHOD FOR SAME

NºPublicación:  US20260049404A1 19/02/2026
Solicitante: 
THE YELLOW SIC HOLDING GMBH [DE]
The Yellow SiC Holding GmbH
US_20260049404_PA

Resumen de: US20260049404A1

Disclosed are a photoelectric cell with a silicon carbide electrode (4) for photocatalytic production of hydrogen, and a manufacturing method therefor. The cell has on one side of the silicon carbide electrode (4) a window (2) the incidence of light (5) and on the other side of the silicon carbide electrode (4) an aqueous electrolyte (10) and a counter electrode (6). On the side of the silicon carbide electrode (4) facing the window, the cell is electrolyte-free. The silicon carbide electrode (4) is preferably produced by coating a substrate (3) with silicon carbide (4).

ELECTROLYZER CELL SYSTEMS AND METHOD OF OPERATING THEREOF BY WATER COOLING OF SYSTEM EXHAUST

NºPublicación:  US20260049405A1 19/02/2026
Solicitante: 
BLOOM ENERGY CORP [US]
BLOOM ENERGY CORPORATION
US_20260049405_PA

Resumen de: US20260049405A1

A method of operating an electrolyzer cell system includes providing a steam inlet stream to a stack of electrolyzer cells, generating a main product stream containing hydrogen and steam, and an oxygen exhaust stream in the stack, and providing liquid water into the main product stream to cool the main product stream.

Carbon Dioxide Electrolysis Device and Method

NºPublicación:  US20260049407A1 19/02/2026
Solicitante: 
LG CHEM LTD [KR]
LG Chem, Ltd
US_20260049407_A1

Resumen de: US20260049407A1

Provided is a carbon dioxide electrolysis device including: a carbon dioxide electrolysis cell including an anode, a cathode, an electrolyte, and a membrane disposed between the anode and the cathode. The carbon dioxide electrolysis device further includes; a supply line configured to supply gaseous carbon dioxide and water vapor to the cathode; and a discharge line configured to discharge, into the outside of the carbon dioxide electrolysis cell, the water vapor and a product produced by the electrolysis reaction of the gaseous carbon dioxide inside the carbon dioxide electrolysis cell, wherein the discharge line includes a condensation part configured to condense the water vapor discharged through the discharge line.

Elektrolysevorrichtung, Verfahren

NºPublicación:  DE102024207827A1 19/02/2026
Solicitante: 
BOSCH GMBH ROBERT [DE]
Robert Bosch Gesellschaft mit beschr\u00E4nkter Haftung
DE_102024207827_PA

Resumen de: DE102024207827A1

Die Erfindung betrifft eine Elektrolysevorrichtung (10) mit wenigstens einer Elektrolyseeinheit (12) zur Reduktion eines für die Elektrolyse vorgesehenen Mediums, insbesondere Wasser, mit einer Luftzuleitung (20) zur Zufuhr von Luft zur Elektrolyseeinheit (12), mit einer Abgasleitung (24) zur Ableitung von Anodenabgasen der Elektrolyseeinheit (12). Es wird vorgeschlagen, dass die Luftzuleitung (20) einen Verdichter (66) zur Druckerhöhung der Luft aufweist, die Abgasleitung (24) eine Turbine (74) aufweist, welche mechanisch mit dem Verdichter (66) gekoppelt ist.

METHOD FOR MANUFACTURING NANO METAL OXIDES AND HYDROGEN

NºPublicación:  US20260048995A1 19/02/2026
Solicitante: 
TRUEECO TECH INC [TW]
trueECO Technology INC
US_20260048995_A1

Resumen de: US20260048995A1

A method for manufacturing nano metal oxides and hydrogen includes the following steps: Step A, providing a first reactor, and placing a metal material, an alcohol compound, and a first catalyst in the first reactor and applying heating thereto for reacting to generate a metal alkoxide compound, while simultaneously generating a substantial amount of hydrogen; and Step B, providing a second reactor, and, after the metal material in the first reactor has fully reacted in Step A, transferring remaining solution in the first reactor into the second reactor, and adding a second catalyst and a controlled amount of water, and applying appropriate heating to generate nano metal oxide in powder form. As such, effects of significant reduction of production cost, enhancement of safety, widespread application of hydrogen fuel cells, extremely low carbon emissions, being defined as “green hydrogen”, and reduction of storage costs and risks can be achieved.

A separator for alkaline water electrolysis

NºPublicación:  AU2026200708A1 19/02/2026
Solicitante: 
AGFA GEVAERT NV
Agfa-Gevaert NV
AU_2026200708_A1

Resumen de: AU2026200708A1

Abstract A separator for alkaline electrolysis (1) comprising a porous support (100) and a porous layer (200) provided on the porous support, characterized in that a lateral Bubble Point of the separator, measured according to the method described in the description, is at least 0.2 bar. Abstract an b s t r a c t a n

ELECTRODE CONTAINING OXYGEN GENERATING ELECTRODE CATALYST

NºPublicación:  AU2024328340A1 19/02/2026
Solicitante: 
TOSOH CORP
RIKEN
TOSOH CORPORATION,
RIKEN
AU_2024328340_A1

Resumen de: AU2024328340A1

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.

ELECTROLYSER FOR HYDROGEN PRODUCTION

NºPublicación:  AU2024330634A1 19/02/2026
Solicitante: 
IND DE NORA S P A
INDUSTRIE DE NORA S.P.A
AU_2024330634_PA

Resumen de: AU2024330634A1

The present invention refers to an electrolyser (1) for the production of hydrogen from an alkaline electrolyte. The electrolyser (1) comprises a first header (2) and a second header (3) between which a plurality of elementary cells (4) and a plurality of bipolar plates (5) are stacked. Each bipolar plate (5) separates two adjacent elementary cells. The electrolyser (1) further comprises a plurality of clamping elements (20) that mechanically connect said headers (2, 3). Each of the elementary cells (4) comprises a frame (6) defining a chamber (6A), having an anodic section and a cathodic section, in which an anodic electrode (7) and a cathodic electrode (8) are at least in part housed. Each of the elementary cells (4) further comprise a separator element (10) that separates the anodic section from the cathodic section. According to the invention, each of the frames (6) comprises first through holes (61) and each of the bipolar plates (5) comprises second through holes (51), wherein each of said first through holes (61) of one frame (6) is mutually aligned with a corresponding first through holes (61) of each of the another frames (6) and with one of said second through holes (51) of each bipolar plate (5), wherein each one of said clamping means (20) extends through said through holes (51, 61) mutually aligned.

COMPOSITE SEPARATOR, AND PREPARATION METHOD THEREFOR AND USE THEREOF

NºPublicación:  AU2023460501A1 19/02/2026
Solicitante: 
XIAN HYDROGEN BASED CARBON ENERGY TECHNOLOGY CO LTD
XI'AN HYDROGEN BASED CARBON ENERGY TECHNOLOGY CO., LTD
AU_2023460501_PA

Resumen de: AU2023460501A1

A composite separator and a preparation method therefor. The composite separator comprises a main film and an anti-contamination layer, which is arranged on one or both surfaces of the main film, wherein the anti-contamination layer comprises a first polymer, a charge agent and/or an anti-fouling agent. The composite separator can be applied to alkaline water electrolysis for hydrogen production and other electrolysis industries, and the anti-contamination layer of the composite separator can effectively prevent impurity species, especially metal ions fallen from a cathode catalyst, from being attached to the surface, which causes the sheet resistance to increase, thereby increasing the electrolytic energy consumption.

ELECTROLYSIS DEVICE AND METHOD WITH TURBINE COUPLED TO COMPRESSOR

NºPublicación:  WO2026037594A1 19/02/2026
Solicitante: 
BOSCH GMBH ROBERT [DE]
ROBERT BOSCH GMBH
WO_2026037594_PA

Resumen de: WO2026037594A1

The invention relates to an electrolysis device (10) having at least one electrolysis unit (12) for reducing a medium provided for the electrolysis, in particular water, an air supply line (20) for supplying air to the electrolysis unit (12), and an exhaust gas line (24) for discharging anode exhaust gases of the electrolysis unit (12). According to the invention, the air supply line (20) has a compressor (66) for increasing the pressure of the air, and the exhaust gas line (24) has a turbine (74) mechanically coupled to the compressor (66).

A DIRECT REDUCTION FACILITY FOR REDUCTION OF A METAL OXIDE MATERIAL

NºPublicación:  US20260049370A1 19/02/2026
Solicitante: 
LUOSSAVAARA KIIRUNAVAARA AB [SE]
LUOSSAVAARA-KIIRUNAVAARA AB
US_20260049370_PA

Resumen de: US20260049370A1

The present invention concerns a metal material production configuration (1) and a method of direct reduction of a metal oxide material (5) holding a first thermal energy into a direct reduced metal material (16) by means of a metal material production configuration (1).The method comprises charging the metal oxide material (5), holding the first thermal energy, into a direct reduction facility (7); introducing a hydrogen, holding a second thermal energy, into the direct reduction facility (7).The invention involves reducing the metal oxide material (5) by using the first thermal energy of the metal oxide material (5) to heat or further heat the introduced hydrogen containing reducing agent (8) toward a required reaction temperature for providing a chemical reaction. A high-temperature exit gas (12) is removed from the direct reduction facility and fed to a high-temperature electrolysis unit (21) configured to produce the hydrogen.

REACTOR FOR THE GENERATION OF HYDROGEN

NºPublicación:  EP4695014A1 18/02/2026
Solicitante: 
SIEMENS ENERGY GLOBAL GMBH & CO KG [DE]
Siemens Energy Global GmbH & Co. KG
DE_102023206000_PA

Resumen de: WO2025002798A1

The invention relates to a reactor (2) for generating hydrogen and at least one other product from at least one reactant, the reactor comprising a tubular reactor vessel (4) which contains a catalyst (6) in the form of a ceramic bed. Improved corrosion resistance against a variety of media and thus an increased service life of the reactor (2) is achieved by forming the reactor vessel (4) from silicon-infiltrated silicon carbide (SiSiC).

ELECTRODES FOR AN ELECTROCHEMICAL CELL FOR AN ALKALINE SEPARATION OF WATER INTO HYDROGEN AND OXYGEN, AND METHOD FOR PRODUCING SAME

NºPublicación:  EP4695447A1 18/02/2026
Solicitante: 
ALANTUM EUROPE GMBH [DE]
FRAUNHOFER GES FORSCHUNG [DE]
Alantum Europe GmbH,
Fraunhofer-Gesellschaft zur F\u00F6rderung der angewandten Forschung e.V
CN_121511328_A

Resumen de: AU2024304508A1

According to the invention, electrodes are arranged on two opposite surfaces of a separator. Each electrode consists of an open-pore metal structure, in particular a metal foam made of at least one of the chemical elements Ni, Al, Mo, Fe, Mn, Co, Zn, La, Ce, or an alloy of at least two of said chemical elements or an intermetallic compound of at least two of said chemical elements. A continuously decreasing catalytic activity is provided from the surface facing a separator or the respective other electrode of each electrochemical cell to the opposite surface of the respective electrode, and/or a continuously increasing porosity and/or pore size and/or a continuously decreasing specific surface area is provided from the surface facing a separator or the respective other electrode of each electrochemical cell to the opposite surface of the respective electrode.

ELECTROLYSIS APPARATUS

NºPublicación:  EP4695446A1 18/02/2026
Solicitante: 
HYDEP S R L [IT]
Hydep S.r.l
WO_2024214055_PA

Resumen de: WO2024214055A1

An electrolysis apparatus for the production of gaseous hydrogen and oxygen by water electrolysis is disclosed, with an electrolyzer (100) comprising a plurality of cells arranged next to each other to form a cell stack (116), wherein each cell includes an anode plate (122) and a cathode plate (124), and wherein the electrolyzer (100) further includes an anode end plate (118) and a cathode end plate (120) between which the cell stack (116) is clamped. The electrolyzer (100) has an active chamber (102) integrated therein, in which the electrolysis reaction of water contained in an electrolyte solution with which the electrolyzer (100) is fed takes place, a first liquid/gas phase separator (104) for separating oxygen gas from the electrolyte solution, and a second liquid/gas phase separator (106) for separating hydrogen gas from the electrolyte solution. The electrolyzer (100) also includes a plurality of sensors mounted on at least one of said anode and cathode end plates (118, 120) and configured to detect appropriate operating parameters of the first and second liquid/gas phase separator (104, 106).

METHOD FOR MANUFACTURING ANION EXCHANGE MEMBRANE WATER ELECTROLYSIS SYSTEM

NºPublicación:  EP4696815A1 18/02/2026
Solicitante: 
HANWHA SOLUTIONS CORP [KR]
KOREA ADVANCED INST SCI & TECH [KR]
YONSEI UNIV UNIV INDUSTRY FOUNDATION UIF [KR]
Hanwha Solutions Corporation,
Korea Advanced Institute of Science and Technology,
Yonsei University, University-Industry Foundation(UIF)
EP_4696815_PA

Resumen de: EP4696815A1

Provided is a method of manufacturing an anion exchange membrane water electrolysis system exhibiting improved durability and efficiency, along with excellent water electrolysis performance.

ELECTROCHEMICAL ELECTRODE STRUCTURE, ELECTROCHEMICAL CELL, BIPOLAR ELECTRODE ASSEMBLY, ELECTROCHEMICAL CELL ARRANGEMENT, AND METHOD OF ATTACHING AN ELECTRODE ELEMENT TO A SUPPORTIVE ELEMENT OF AN ELECTROCHEMICAL ELECTRODE STRUCTURE FOR AN ELECTROCHEMICAL CELL

NºPublicación:  EP4695444A1 18/02/2026
Solicitante: 
THYSSENKRUPP NUCERA AG & CO KGAA [DE]
thyssenkrupp nucera AG & Co. KGaA
KR_20250168549_PA

Resumen de: CN121013926A

The invention relates to an electrochemical electrode structure comprising at least one electrode element and a support element. Each electrode element is a two-dimensionally extending conductive element having an open structure and has a first edge portion. The support element has an elastic region extending along the surface in a main extension plane of the elastic region. The elastic region is adapted to push the at least one electrode member away from the support element in a direction at least substantially perpendicular to a main plane of extension of the elastic region. The support element has a first tongue-shaped region arranged at an edge of the support element. A first edge portion of the at least one electrode element is curved around a first tongue-shaped region of the support element, thereby attaching the at least one electrode element to the support element. Furthermore, the invention relates to an electrochemical cell and a bipolar electrode assembly, each of which comprises such an electrode element, to an electrochemical cell arrangement having a plurality of such bipolar electrode assemblies, and to a method for attaching an electrode element to a support element of such an electrochemical electrode structure.

METHOD AND FACILITY FOR CONVERSION OF AMMONIA AND METHANOL INTO HYDROGEN USING ROTARY GENERATED THERMAL ENERGY

NºPublicación:  EP4695197A1 18/02/2026
Solicitante: 
COOLBROOK OY [FI]
Coolbrook Oy
KR_20250172828_PA

Resumen de: AU2024249844A1

A method for thermal or thermochemical conversion of ammonia or methanol feedstocks into hydrogen (gas) in a related feedstock conversion facility (1000) is provided. The method comprises generating heated fluidic medium by at least one rotary apparatus (100), supplying a stream of thus generated heated fluidic medium into the feedstock conversion facility (1000), and operating said at least one rotary apparatus (100) and said feedstock conversion facility (1000) to carry out thermal or thermochemical conversion of the ammonia or methanol feedstocks into hydrogen at temperatures essentially equal to or exceeding about 500 degrees Celsius (°C). Facility (1000, 1000A) for production of hydrogen from ammonia or methanol feedstocks is further provided.

ELECTROCATALYTIC HYDROGEN CARRIER COMPOSITIONS

Nº publicación: EP4695852A1 18/02/2026

Solicitante:

AYRTON ENERGY INC [CA]
Ayrton Energy Inc

TW_202511539_A

Resumen de: TW202511539A

The present disclosure provides hydrogen carrier fluid (HCF) compositions, comprising a leanliquid organic hydrogen carrier (lean-LOHC) component comprising at least one cyclohexyl-based compound having at least one unsaturated bond, optionally in combination with one or more C4-12 alkyl alcohol, or a rich-liquid organic hydrogen carrier (rich-LOHC) component comprising at least one cyclohexyl-based compound, optionally in combination with a C4-7 ketone, a C4-6lactone or a mixture thereof; and an electrolyte component. Also provided is the use of these HCF compositions for storage and release of hydrogen, in an electrochemical reactor system.

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