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水素発生材料

Resumen de: JP2025171336A

【課題】本発明は、酸化防止と共に菌の増殖を抑制して食品や化粧品等の劣化を抑制可能な水素発生材料を提供することを目的とする【解決手段】本発明の水素発生材料は、複数の粒子状水素発生剤と抗菌剤がマトリックス樹脂中に分散されており、前記マトリックス樹脂中に、粒子状水素発生剤は０．６重量％以上６重量％以下、前記抗菌剤は０．１重量％以上１０重量％以下含有している。【選択図】図１

反応容器

Resumen de: JP2025171628A

【課題】容器の破損を抑制しつつ、水素を発生させる反応容器の技術の提供。【解決手段】水素化ホウ素ナトリウムと水と酸とから、水素と四ホウ酸ナトリウムとを生成させる反応容器が提供される。この反応容器は、前記四ホウ酸ナトリウムが収容される反応容器であって、水和によって体積が膨張した前記四ホウ酸ナトリウムを許容する許容構造を有する反応容器。【選択図】図２

전해조 시스템

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.

CATALYTIC COMPOSITIONS AND METHODS OF PREPARING THEREOF

Resumen de: WO2025239840A1

The invention provides a catalytic composition, the catalytic composition comprising copper oxide nanoparticles, carbon black, and a binder. The invention also provides a catalyst, an electrode and an electrolyser comprising the catalytic composition. In addition, the invention provides a method of preparing a catalytic composition, the method comprising (a) providing a binder in a solvent to provide a binder mixture; (b) incorporating carbon black into the binder mixture; (c) incorporating copper oxide nanoparticles into the binder mixture; and (d) stirring the mixture to form a composite material of the binder, carbon black, and copper oxide nanoparticles. The invention also provides a method of producing hydrogen comprising contacting an aqueous electrolyte with the catalytic composition, the catalyst, or the electrode, and applying a voltage sufficient to split water into hydrogen and oxygen.

SYSTEM AND METHOD FOR STABILIZING THE OPERATION OF FACILITIES USING HYDROGEN PRODUCED BY LOW CARBON SOURCES

Resumen de: WO2025240177A1

A system and a method for stabilizing hydrogen flow to a downstream process in a facility determining a hydrogen density and pressure profiles in the hydrogen storage unit for different target net hydrogen flows at different time intervals of a time horizon of a renewable power availability profile, determining an operating target net hydrogen flow of a hydrogen feed to the downstream process, determining a target direct hydrogen flow of a hydrogen feed and a target stored hydrogen flow of a hydrogen feed to the downstream process, and controlling the operation of the downstream process based on the operating target hydrogen flows.

PEROVSKITE PHOTOELECTRODE AND PHOTOELECTROCHEMICAL WATER SPLITTING SYSTEM USING SAME

Resumen de: WO2025239623A1

The present invention relates to a photoelectrode and a photoelectrochemical water splitting system using same, and more specifically, to a photoelectrode in which a lower electrode, an electron transport layer including SnO2, a light absorption layer including FAPbI3, a hole transport layer, an upper electrode, and a Ni passivation thin film layer are sequentially stacked and can operate when immersed in water, and an efficient and stable large-area water splitting system capable of splitting water and producing hydrogen without an external voltage by using the photoelectrode.

NANOPARTICLES, USES THEREOF, AND A SYNTHESIS METHOD FOR PRODUCING SAID NANOPARTICLES

Resumen de: WO2025238301A1

The present invention is providing a nanoparticle, preferably a nano-urchin particle, comprising plasmonic material and a catalytic metal, wherein said plasmonic material comprises tungsten oxide W18O49 and the catalytic metal is selected from a group consisting of: platinum (Pt), iridium (Ir), nickel (Ni), iron (Fe), molybdenum (Mo), ruthenium (Ru), and cobalt (Co), wherein the nanoparticle comprises 0.2 wt. % - 3.0 wt. % of said catalytic metal; and wherein said nanoparticle is capable of catalysing a hydrogen evolution reaction or an oxygen evolution reaction. The present invention is also providing a solvothermal method for producing a nanoparticle product comprising the steps of: a) dissolving a reagent comprising plasmonic material into a first solvent to obtain a first solution; b) adding to said first solution i) a reagent comprising a catalytic metal and ii) α-naphthol to obtain a second solution; c) subjecting said second solution to heat treatment at temperature of at least 150 °C, preferably at 180 °C; and d) collecting the nanoparticle product from the heat treated second solution, preferably by centrifugation.

HYDROGEN PROVIDING SYSTEM

Resumen de: WO2025239823A1

A hydrogen providing system (1) for providing hydrogen to an ironworks plant (4) in a heavy industry site (3). The hydrogen providing system (1) comprises an electrical power control unit (5) connected to a main electrical line (2) providing alternating current, AC, power, an electrolyser (6) configured to produce hydrogen gas, at least one hydrogen storage tank (7) configured to store hydrogen gas, and a fuel mixer (8) in fluid communication with and configured to direct the flow of hydrogen between the electrolyser (6), the hydrogen storage tank (7), and the ironworks plant (4). The hydrogen providing system (1) also comprises an electrical mixer (9) connected to and configured to control the flow of current between an AC current power line (10) connected to the electric power control unit (5), which is configured to control the AC power to the AC current power line (10),a first direct current, DC, power line (11) connected to the electrolyser, and a second DC power line (12) connected to a solar power plant (13).

METHOD FOR PRODUCING AN ELECTRODE FOR USE IN AN ELECTROLYSIS CELL, ELECTRODE AND STACK ARRANGEMENT HAVING SUCH AN ELECTRODE

Resumen de: WO2025237774A1

The invention relates to a method for producing an electrode (10) for use in an electrolysis cell, comprising providing a metal flat material portion (18), wherein the flat material portion extends in a planar manner in a main plane, producing at least one three-dimensional contact structure (16) in the flat material portion (18), comprising introducing at least three slots (44) into the flat material portion in such a way that a connection piece (26) formed between two adjacent slots has a plurality of the through-openings, wherein the slots are distributed around a reference region (46), and comprising moving the reference region out of the main plane such that the reference region is displaced to a contact plane which is offset with respect to the main plane, the slots thereby being expanded, in order to form a contact region (24) of the contact structure (16). The invention also relates to such an electrode and to a stack arrangement having such an electrode.

METHOD FOR PREPARING AN ELECTROCHEMICALLY ACTIVATED ELECTRODE BASED ON FLUORINATED MOS2 FOR ELECTROCHEMICAL REDUCTION REACTIONS

Resumen de: WO2025237669A1

Disclosed is a method for preparing an electrochemically activated electrode for electrochemical reduction reactions, the electrode comprising at least one catalytic material based on at least one fluorinated group VIB metal, the method consisting in carrying out an oxidative electrochemical treatment on an electrode comprising at least one catalytic material based on at least one fluorinated group VIB metal.

METHOD FOR PREPARING AN ELECTROCHEMICALLY ACTIVATED ELECTRODE BASED ON SUPPORTED MOS2 FOR ELECTROCHEMICAL REDUCTION REACTIONS

Resumen de: WO2025237667A1

Disclosed is a method for preparing an electrochemically activated electrode for electrochemical reduction reactions, the electrode comprising at least one catalytic material based on at least one group VIB metal supported on an electrically conductive support, the method consisting in carrying out an electrochemical treatment on an electrode comprising at least one catalytic material based on at least one group VIB metal supported on an electrically conductive support. The electrochemical treatment, which is carried out by cyclic voltammetry (CV) or chronoamperometry (CA), consists of a step of oxidation under specific conditions.

METHOD FOR PREPARING AN ACTIVE LAYER OF AN ELECTRODE BASED ON FLUORINATED MOS2 FOR ELECTROCHEMICAL REDUCTION REACTIONS

Resumen de: WO2025237668A1

Disclosed is a method for preparing a catalytic material of an electrode for electrochemical reduction reactions, the catalytic material comprising an active phase based on at least one group VIB metal and fluorine. The method consists in bringing a solid material based on at least one group VIB metal sulphide into contact with a gas comprising at least difluorine, at a temperature of between -50°C and 150°C, for a duration of between 15 seconds and 120 minutes, the gas having a difluorine concentration of between 0.1 and 100% by volume relative to the total volume of the gas, a pressure of between 0.001 and 0.2 MPa, and a PPH of between 0.01 and 200 h-1.

ALLOY MATERIALS AND RELATED METHODS FOR PROCESSING HYDROGEN SULFIDE

Resumen de: WO2025240133A1

A method utilizing the multi-metal composition is disclosed. The multi-metal composition may comprise: an alloy comprising at least five elements selected from the group consisting of Co, Cr, Fe, Mn, Ni, Al, Mg, Cu, Zn, Zr, Ru, Rh, Pd, Ag, W, Re, Ir, Pt, Pd, Au, Ce, Yb, Sn, Ca, Be, Mo, V, W, and Sr. The method may comprise: providing a multi-metal composition comprising an alloy comprising at least five elements selected from the group consisting of Co, Cr, Fe, Mn, Ni, Al, Mg, Cu, Zn, Zr, Ru, Rh, Pd, Ag, W, Re, Ir, Pt, Pd, Au, Ce, Yb, Sn, Ca, Be, Mo, V, W, and Sr; and interacting a gas stream comprising hydrogen sulfide with the multi-metal composition.

ELECTRIC ENERGY CONVERSION UNIT, ESPECIALLY FOR THE USE OF ELECTRICITY WITH TIME-VARYING POWER FOR THE PRODUCTION OF HYDROGEN GAS

Resumen de: WO2025238387A1

The subject of the invention relates to an electric energy conversion unit, especially for the use of electricity with time-varying power for the production of hydrogen gas, which has a current conducting piece (2) provided with an input gate (3) that may be connected to the electrical energy supply unit (4), at least one hydrogen gas production subunit (20) connected to the current conducting piece (2), and at least one hydrogen gas storage tank (30) connected to the hydrogen gas production subunit (20), where the hydrogen gas production subunit (20) has an electrolysing cell (21), and the gas output (21a) of the electrolysing cell (21) is connected to the input pipe (31)of the hydrogen gas storage tank (30), and the hydrogen gas storage tank (30) is provided with an unloading pipe (32). It is characteristic of the invention that an electric current regulation subunit (10) is fitted between the input gate (3) of the current conducting piece (2) and the hydrogen gas production subunit (20), where the electric current regulation subunit (10) has at least one transformer (11), a rectifier device (12) and a current intensity regulation device (13), and the current intensity regulation device (13) is interposed between the input gate (3) of the current conducting piece (2) and the input (11a) of the transformer (11), or between the output (11) of the transformer (11) and the input (12a) of the rectifier device (12), or between two transformers (11) in the case of several transfor

FLUID HEATING UNIT, HOT BOX, AND SOLID OXIDE ELECTROLYSIS CELL SYSTEM

Resumen de: WO2025239512A1

Disclosed are a fluid heating unit, a hot box, and a solid oxide electrolysis cell system. The disclosed fluid heating unit comprises an electrode recuperator and an electrode heater, wherein the electrode recuperator and the electrode heater are coupled so as to be in fluid communication with each other.

HYDROGEN PRODUCTION CONTROL SYSTEM AND METHOD

Resumen de: WO2025239029A1

Provided is a hydrogen production control system for producing hydrogen with different environmental impacts. A hydrogen production control system 20 causes a hydrogen production apparatus 10 to produce hydrogen. The hydrogen production apparatus inputs, to a water electrolysis device 13, a power amount from a renewable energy generation device 12 or a power amount from a power grid 30, and causes the water electrolysis device to electrolyze water to thereby produce hydrogen with different environmental impacts. The hydrogen production apparatus comprises: a renewable energy variation amount prediction unit which predicts variation in the power amount from the renewable energy power generation device; and a type-specific hydrogen production planning unit which creates a type-specific hydrogen production plan for producing hydrogen with different environmental impacts by the hydrogen production apparatus, on the basis of a prediction result from the renewable energy variation amount prediction unit. The type-specific hydrogen production planning unit creates a production plan for producing a first type of hydrogen with a small environmental impact among hydrogen with different environmental impacts by using a power amount in a first case where the power amount from the renewable energy generation device is predicted to be supplied stably.

METHOD FOR MANUFACTURING ELECTROCHEMICAL REACTION DEVICE, AND ELECTROCHEMICAL REACTION DEVICE

Resumen de: WO2025239002A1

Provided is a method for manufacturing an electrochemical reaction device (1) comprising: an electrochemical cell (2) that includes an electrolyte layer (20), a first electrode (21), and a second electrode (22); a frame (3) that includes a support section (31) and a frame body section (32); and a sealing plate (4) that hermetically separates a second space (122) and an outer peripheral cavity (11) from each other. The sealing plate (4) includes an outer peripheral plate section (42), an inner peripheral plate section (41), and a coupling section (43). The coupling section (43) includes a flexed section (430) flexed so as to protrude in a normal direction Z of the electrolyte layer (20). When forming the flexed section (430), the sealing plate (4), in which the flexed section (430) has not yet been formed, is fixed to the electrochemical cell (2) and the frame (3), and then a buckling step is performed for causing the coupling section (43) to buckle so as to form the flexed section (430) by causing a volume change of at least one of the electrochemical cell (2), the frame (3), or the sealing plate (4).

INTEGRATED SYSTEM FOR PREPARING HYDROGEN AND A DEHYDROGENATED PRODUCT FROM AN ALCOHOL

Resumen de: WO2025238525A1

The invention provides an integrated system for preparing a dehydrogenated product from an alcohol, the integrated system comprising a heat integration system for heat transfer from at least one heat source to the at least one heat sink. The at least one heat sink includes a feed stream comprising an alcohol and/or an electrolyser system having an electrochemical cell configured for carrying out a partial dehydrogenation process to produce a product stream comprising hydrogen and a co-product stream comprising a dehydrogenated product from the alcohol of the feed stream and/or an infrastructure for handling and/or storing the co- product stream. The at least one heat source includes a hydrogen fuel cell for generating electricity from the product stream of the electrolyser system, wherein operation of the hydrogen fuel cell generates heat, and/or the electrolyser system, wherein the electrolyser system is configured to operate the electrochemical cell so as to generate heat.

ELECTROCHEMICAL PROCESS AND APPARATUS FOR PRODUCING HYDROGEN

Resumen de: WO2025238524A1

An electrochemical process and apparatus for producing hydrogen and a dehydrogenated product from partial oxidation of an alcohol. The hydrogen may be utilised in a hydrogen fuel cell to generated electricity, e.g., to power a vehicle.

ELECTROCHEMICAL PROCESS AND APPARATUS

Resumen de: WO2025238527A1

An electrochemical process and apparatus for generating electricity from an alcohol. Electricity is generated in a hydrogen fuel cell utilising hydrogen produced by partial dehydrogenation of the alcohol in an electrolyser.

ELECTROCHEMICAL SYSTEM

Resumen de: US2025354272A1

Provided is an electrochemical system comprising a water electrolysis stack with an anode and a cathode. The system includes a reaction fluid supply line that supplies a reaction fluid to the anode, a first gas-liquid separator located in the reaction fluid supply line to separate the reaction fluid into gaseous and liquid components, and a first filter part positioned upstream of the first gas-liquid separator to filter the reaction fluid. The system further includes a first circulation line that circulates the liquid reaction fluid from the anode back to the first gas-liquid separator. Additionally, a second gas-liquid separator in a discharged fluid discharge line is connected to the cathode, with a second circulation line configured to maintain the ionic purity of the discharged fluid. The system also includes a mechanism to monitor ionic conductivity and selectively control the operation of the water electrolysis stack based on detected ionic levels.

WATER ELECTROLYSIS CELL, WATER ELECTROLYSIS CELL STACK, AND MANUFACTURING METHOD OF WATER ELECTROLYSIS CELL

Resumen de: US2025354277A1

A water electrolysis cell according to an embodiment includes: an anode electrode including an anode catalyst layer in which anode catalyst sheets are stacked via a gap, each anode catalyst sheet containing iridium oxide and being in the form of a nanosheet; a cathode electrode including a cathode catalyst layer in which cathode catalyst sheets are stacked via a gap, each cathode catalyst sheet containing platinum and being in the form of a nanosheet; and an electrolyte membrane containing a hydrocarbon-based material, placed between the anode electrode and the cathode electrode.

WATER ELECTROLYSIS PROCESS HAVING AN EXTENDED RANGE OF OPERATION AND RELATED INSTALLATION

Resumen de: US2025354282A1

A water electrolysis process includes recovering a mixture of electrolyte and dioxygen from an anodic compartment and separating it in a dioxygen separator to obtain a dioxygen stream and a dioxygen containing electrolyte stream; recovering a mixture of electrolyte and dihydrogen from an cathodic compartment and separating it in a dihydrogen separator to obtain a dihydrogen stream and a dihydrogen containing electrolyte stream; recirculating the dioxygen containing electrolyte stream and the dihydrogen containing electrolyte stream. Upon detection of conditions susceptible of leading to a dioxygen to dihydrogen ratio greater than a safety OTH threshold in the cathodic compartment or/and to a dihydrogen to dioxygen ratio greater than a safety HTO threshold in the anodic compartment, flushing dihydrogen in electrolyte fed to the or each cathodic compartment, and/or flushing dioxygen in electrolyte fed to the or each anodic compartment.

COMPOSITE FOR ELECTROCATALYSIS AND PREPARATION METHOD THEREOF

Resumen de: US2025354279A1

The present invention relates to a method of preparing a composite material, in particular one useful as a catalyst in an electrolytic hydrogen evolution reaction and/or the oxygen evolution reaction and/or urea oxidation-assisted water electrolysis. Provided is a method of preparing a composite material, the method comprising the steps of:(i) electrochemically depositing material onto a substrate from a deposition solution comprising a nickel (II) salt and graphene oxide, to obtain a nickel-reduced graphene oxide composite material comprising nickel dispersed on reduced graphene oxide, said composite material being deposited on the substrate;(ii) after step (i), placing the substrate, having the nickel-reduced graphene oxide composite deposited thereon, in an alkaline solution along with a counter electrode; and(iii) after step (ii), partially electrochemically oxidising the nickel, to obtain a partially oxidised nickel-reduced graphene oxide composite material comprising partially oxidised nickel dispersed on reduced graphene oxide, said composite material being deposited on the substrate.The composite of the invention demonstrates high catalytic activity for electrolytic hydrogen production under alkaline water electrolysis conditions (for example, a hydrogen evolution current of up to 500 mA cm−2 at −1.35 V against a Reversible Hydrogen Electrode). High activity is demonstrated even when the substrate (on which the composite is deposited) does not contain any, or at m

CARBON CAPTURE WITH MOLTEN CARBONATE ELECTROLYSIS CELL

Nº publicación: US2025354275A1 20/11/2025

Solicitante:

EXXONMOBIL TECH AND ENGINEERING COMPANY [US]
EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY