Alerta

HOT BOX COMPRISING UNIFORMLY POWERED STACKS OF PLATES FOR SOLID OXIDE ELECTROLYZER (SOEC) OR FOR FUEL CELL SYSTEM (SOFC), AND ASSOCIATED INSTALLATION

Resumen de: WO2025202201A1

The invention relates to a hot box (1) of reversible high-temperature SOEC/SOFC electrolysis stacks (2), comprising a tank (10) accommodating at least two stacks, an inlet (14) and an outlet (15) through which first and second fluids (32) can enter and be discharged, said hot box further comprising a first supply pipe (6) for supplying a third fluid to each of said at least two stacks (2), and which extends from outside said tank to a central shaft (60). The hot box comprises sub-pipes (61) for distributing said third fluid, these each extending from the central distribution shaft to an inlet of a stack, said at least two stacks being positioned at equal distances from said central shaft. The hot box also includes discharge channels (62) which extend from the bottom of each of the stacks, to a second discharge pipe that collects a fourth fluid and discharges it out of said tank.

INTEGRATED TRI-REFORMING SYSTEM AND METHOD

Resumen de: WO2025208136A1

A method and system for integrating tri-reforming and water or steam electrolysis includes reacting methane, CO2, H2O, and O2 in a methane tri-reformer to form syngas, which includes H2 and CO. The electrolysis of water or steam is performed in an electrolyzer to produce H2 at the cathode and O2 at the anode. The O2 generated by the electrolyzer is provided to the methane tri-reformer for use as a reactant to form the syngas. The system and method may also include additional processes such as hydroformylation, methanol synthesis, and oxy-combustion.

INTEGRATED SYSTEM FOR CH4 AND NH3 SYNTHESIS

Resumen de: WO2025207369A1

The disclosure presents an integrated system consisting of a wastewater production unit, e- methane reactor, an electrolyzer for producing hydrogen, a cryogenic separation unit and an ammonia production unit, where e-methane is produced by reaction of carbon dioxide obtained from direct air capture/biogenic CCh/captured industrial CO2 emissions/oxidized solid carbon, and from CO2 separated from biogas obtained from wastewater treatment, and hydrogen gas from electrolysis of water. The hydrogen gas is also reacted with nitrogen obtained from the cryogenic unit for the synthesis of ammonia, where heat from ammonia synthesis is transferred to e-methane reactor for energy efficiency. By integrating these units and reactors, the disclosure provides a system for efficient use of energy and by-products.

METHOD FOR MANUFACTURING CATALYST FILM FOR WATER ELECTROLYSIS CELL AND APPARATUS FOR MANUFACTURING CATALYST FILM

Resumen de: WO2025204163A1

Provided is a method for manufacturing a catalyst film for a water electrolysis cell, said method including: (1) a step for forming a metal-iridium-containing first film on a substrate by sputtering using a metal-iridium-containing target in a first space; and (2) a step for moving the substrate into a second space that contains oxygen plasma, oxidizing the first film, and forming an indium-oxide-containing first oxide film.

HYDROGEN PRODUCTION SYSTEM AND HYDROGEN PRODUCTION METHOD

Resumen de: WO2025204109A1

The purpose of the present invention is to improve the energy efficiency of a hydrogen production system as a whole. A hydrogen production system (1) produces hydrogen. The hydrogen production system (1) is provided with: an SOEC (10) that is supplied with an oxidizing gas and steam and generates hydrogen by electrolyzing the supplied steam; a steam generation unit (20) that generates the steam supplied to the SOEC (10) by heating feed water; and a power supply device (40) that supplies power to the SOEC (10) so that the SOEC (10) operates at an operation point exceeding a thermal neutral point. The steam generation unit (20) uses heat generated in the SOEC (10) to heat the feed water, and generates the steam without using heat supplied from outside of the hydrogen production system (1).

METHODS FOR PRODUCING INDUSTRIAL GASES AND CAPTURING CARBON OXIDE USING FERROUS IRON-CONTAINING MATERIALS

Resumen de: WO2025207367A1

Described are methods for producing industrial gases (e.g., hydrogen, ammonia, and/or methane) using ferrous iron-containing materials (e.g., olivine) while concurrently sequestering carbon dioxide. The process may involve mixing a ferrous iron-containing material with water and, in some examples, a reaction accelerant. The mixture may be heated to 100-300°C to initiate the oxidation of ferrous cations (Fe2+) to ferric cations (Fe3+) while reducing hydrogen (from water) and/or methane (from water and carbon dioxide, when carbon dioxide is introduced into the ferrous iron-containing mixture). In some examples, carbon dioxide may be added later (after recovering hydrogen) to form carbonates. Specifically, carbon dioxide may be injected at a high pressure (e.g., about 200 bar) post-oxidation to facilitate mineralization, using the exothermic reaction to maintain a favorable temperature. In some examples, metal complexing/chelating reagents are added to bind trace metals such as nickel, copper, cobalt, and platinum group metals for recovery.

ELECTROLYSIS MODULE COOLING METHOD AND ELECTROLYSIS SYSTEM

Resumen de: WO2025204074A1

Provided are an electrolysis module cooling method and an electrolysis system capable of reducing an atmospheric temperature inside a container. Provided is a cooling method for an electrolysis module (200) comprising: at least one electrolysis cartridge (220) that includes an electrolysis cell and generates hydrogen by electrolyzing water vapor generated from water supply; and a pressure vessel (210) that accommodates the electrolysis cartridge (220). In the method for cooling the electrolysis module (200), the air is subjected to heat exchange with water supply in order to heat the water supply, and the heat-exchanged air is supplied to the pressure vessel (210) to cool the inside of the pressure vessel (210).

METHANE PRODUCTION REACTOR

Resumen de: WO2025205989A1

Provided is a methane production reactor that exhibits excellent methane yield. A methane production reactor according to an embodiment of the present invention has gas flow paths to which a raw material gas containing ammonia and carbon dioxide is supplied. The methane production reactor comprises: a honeycomb-shaped base material including partition walls that define a plurality of cells, at least some of the plurality of cells including the gas flow paths; and catalyst-containing layers provided on the surfaces of the partition walls so as to face the gas flow paths, the catalyst-containing layers being capable of promoting a reaction for generating methane from the raw material gas.

REACTOR

Resumen de: WO2025205988A1

Provided is a reactor used for a process involving two or more elementary reactions, namely an exothermic reaction and an endothermic reaction, the reactor having excellent reaction efficiency and reduced catalyst degradation. A reactor according to an embodiment of the present invention is used in a process involving two or more elementary reactions, namely an exothermic reaction and an endothermic reaction. The reactor comprises: a gas channel into which a feedstock gas containing a first component and a second component is supplied; and a catalyst-containing part disposed so as to be capable of contacting the feedstock gas supplied to the gas channel. The catalyst-containing part includes an endothermic reaction promoting catalyst capable of promoting an endothermic reaction related to the first component and an exothermic reaction promoting catalyst capable of promoting an exothermic reaction between the reaction product of the first component and the second component. The dispersion ratio of the exothermic reaction promoting catalyst calculated in a cross-sectional analysis of the catalyst-containing part is 0.60 or more.

GASEOUS-SUBSTANCE PYROLYSIS APPARATUS AND GASEOUS-SUBSTANCE PYROLYSIS APPARATUS STACK

Resumen de: WO2025206204A1

Problem To provide a gaseous-substance pyrolysis apparatus and a gaseous-substance pyrolysis apparatus stack that have high heat transfer efficiency, high temperature controllability in a catalyst layer, low pressure loss, a small size, and a low heat capacity. Solution A gaseous-substance pyrolysis apparatus 100 comprises: a heat transfer substrate structure 10; a spray catalyst carrier 12 formed on one main surface of the heat transfer substrate structure 10; a catalyst material 14 supported by the spray catalyst carrier 12, the catalyst material 14 breaking down at least some of a gaseous substance using heat energy from the heat transfer substrate structure 10; and a casing 16 covering the heat transfer substrate structure 10, the spray catalyst carrier 12, and the catalyst material 14, the casing 16 forming a space through which the gaseous substance passes. Additionally, this gaseous-substance pyrolysis apparatus stack is formed by stacking a plurality of layers of the aforementioned gaseous substance pyrolysis apparatus 100.

SEPARATOR FOR HYDROGEN PRODUCTION, ALKALINE WATER ELECTROLYSIS MEMBER USING SAME, ALKALINE WATER ELECTROLYSIS CELL USING SAME, ALKALINE WATER ELECTROLYSIS DEVICE USING SAME, METHOD FOR PRODUCING HYDROGEN USING SAME, AND METHOD FOR PRODUCING SEPARATOR FOR HYDROGEN PRODUCTION

Resumen de: WO2025205502A1

Provided are: a separator for hydrogen production, the separator containing a woven fabric support and a porous material that contains an organic polymer, wherein the calender ratio of the woven fabric support calculated by the formula below is 73% or less; an alkaline water electrolysis member, an alkaline water electrolysis cell, an alkaline water electrolysis device, and a method for producing hydrogen, each using the same; and a method for producing a separator for hydrogen production.　Calender ratio = (d2/(2 × d1)) × 100% In the formula, d1 represents the fiber diameter of the woven fabric support, and d2 represents the thickness of the woven fabric support.

ELECTROLYSIS CELL AND ELECTROLYSIS DEVICE

Resumen de: WO2025203905A1

In an electrolysis cell according to the present disclosure, an insulating packing material has: an annular packing body; an arc-shaped packing material having an arc shape formed inside the packing body and surrounding a first supply hole and a first discharge hole from the outer peripheral side, respectively; and a triangular packing material. In the arc-shaped packing material, which is in a state prior to elastic deformation by being sandwiched between a separator and an anion exchange membrane, the thickness of the arc-shaped packing material is set to be greater than the gap between a first diffusion guide part and the anion exchange membrane, and in the triangular packing material, the thickness thereof is set to be greater than that of the packing body.

POROUS SEPARATOR FOR ALKALINE WATER ELECTROLYSIS, ALKALINE WATER ELECTROLYSIS MEMBER USING SAME, ALKALINE WATER ELECTROLYSIS CELL, ALKALINE WATER ELECTROLYSIS DEVICE, AND HYDROGEN PRODUCTION METHOD

Resumen de: WO2025205501A1

Provided are: a porous separator which is for alkaline water electrolysis and satisfies <Condition I> below; an alkaline water electrolysis member using the same; an alkaline water electrolysis cell; an alkaline water electrolysis device; and a hydrogen production method. <Condition I> The porous separator for alkaline water electrolysis has a thickness unevenness of 15% or less, obtained by immersing the separator in a 90°C 7 mol/L KOH aqueous solution and treating the separator under a pressurizing condition of 5 MPa for 60 minutes.

CELL STACK AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2025203852A1

A cell stack according to the present invention is to be provided to a hydrogen production device and comprises: a layered body that includes a plurality of electrolysis cells; a first end plate and a second end plate that are provided on respective sides of the layered body; and a fastening mechanism that fastens the first end plate and the second end plate toward each other. The fastening mechanism has an elastic member that presses the first end plate toward the second end plate. Each of the plurality of electrolysis cells has: an anode, anion exchange membrane, and cathode set; and separators that are provided on respective sides of the set. The separators have an electroconductive plate and a frame body that supports an outer peripheral edge part of the electroconductive plate. The frame body is made of resin.

SEPARATOR, ELECTROLYTIC CELL, CELL STACK, AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2025203851A1

This separator is used in an electrolytic cell provided with an anion exchange membrane. The separator is provided with a conductive plate and a frame body that supports the outer peripheral edge of the conductive plate. The frame body is composed of a resin material that is an electrically insulating material. The frame body includes: a supply manifold that is a supply port for an electrolytic solution; and a supply slit that connects the supply manifold and the inner peripheral edge of the frame body. The electrical resistance value of the supply slit is between 50Ω and 1000Ω inclusive. The electrical resistance value is obtained by dividing a value, which is obtained by dividing the length of the supply slit by the cross-sectional area of the supply slit, by the conductivity of the electrolytic solution flowing through the supply slit.

CELL STACK AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2025203850A1

This cell stack is provided to a hydrogen production device. The cell stack comprises a plurality of sub-stacks. Each of the plurality of sub-stacks comprises: a laminate in which a plurality of electrolytic cells are laminated; and current collector plates which are respectively disposed on two sides of the laminate. Each of the plurality of electrolytic cells has an anode, an ion exchange membrane, and a cathode.

ELECTROCHEMICAL CELL, SOLID OXIDE ELECTROLYSIS CELL, CELL STACK, HOT MODULE, AND HYDROGEN PRODUCTION DEVICE

Resumen de: WO2025205637A1

According to the present invention, an electrolysis cell 21 that serves as an electrochemical cell comprises: a solid electrolyte layer 211; a fuel electrode layer 213 which is superposed on the rear surface 211A side of the solid electrolyte layer 211 and contains Ni and Fe; and an air electrode layer 212 which is superposed on the upper surface 211B side of the solid electrolyte layer 211. The fuel electrode layer 213 is composed of a first layer 213F and a second layer 213S. The first layer 213F and the second layer 213S are constituted in the order of the first layer 213F and the second layer 213S from the side close to the rear surface 211A of the solid electrolyte layer 211. The concentration of Fe contained in the first layer 213F is 0.10 wt% or more and 0.80 wt% or less, and the concentration of Fe contained in the second layer 213S is less than 0.10 wt%.

電気化学反応装置および電気化学反応装置の運転方法

Resumen de: AU2025201297A1

An electrochemical reaction device includes: an electrochemical reaction structure including a cathode to reduce carbon dioxide to produce a carbon compound, an anode to oxidize water to produce oxygen, a diaphragm therebetween, a cathode flow path on the 5 cathode, and an anode flow path on the anode; a first flow path through which a first fluid to the cathode flow path flows; a second flow path through which a second fluid to the anode flow path flows; a third flow path through which a third fluid from the cathode flow path flows; a fourth flow path through which a fourth fluid from the anode flow path flows; and a gas-liquid separator in or on the anode flow path and to separate a gas containing the 10 oxygen from a fifth fluid containing the water and the oxygen through the anode flow path. An electrochemical reaction device includes: an electrochemical reaction structure including a cathode to reduce carbon dioxide to produce a carbon compound, an anode to 5 oxidize water to produce oxygen, a diaphragm therebetween, a cathode flow path on the cathode, and an anode flow path on the anode; a first flow path through which a first fluid to the cathode flow path flows; a second flow path through which a second fluid to the anode flow path flows; a third flow path through which a third fluid from the cathode flow path flows; a fourth flow path through which a fourth fluid from the anode flow path flows; 10 and a gas-liquid separator in or on the anode flow path and to separat

水素を製造するための電解装置及び水素を製造するための方法

Resumen de: JP2025143669A

【課題】水素を製造するための電解装置及び水素を製造するための方法を提供する。【解決手段】水素を製造するための電解装置は、複数の平面に配置される複数の電解セル（１）を備え、各々は、少なくとも１つのアノード（１０）及び１つのカソード、及びアノード（１０）とカソードとの間のプロトン交換膜（３）を有し、プロトン交換膜（３）は、それぞれの活性面積領域（３０）を形成し、少なくとも１つの電解セル（１）は、平面に実質的に配置される複数の活性面積領域（３０）を有する。【選択図】図３

水素製造システム

Resumen de: JP2025144256A

【課題】余剰電力の利用の拡大及び水素製造の効率の向上を図ることができる水素製造システムを提供する。【解決手段】制御装置４０は、水素貯蔵装置３０の水素貯蔵量がＨｈｉｇｈ未満である場合、余剰電力に応じた消費電力で水素製造装置２０を運転させ（ステップＳ１４からＳ１６）、水素貯蔵量がＨｈｉｇｈ以上である場合、余剰電力が水素製造装置２０の定格運転時の消費電力（ＥＨ２＋Ｅａ）以上であるとき（ステップＳ１７でＹＥＳ）には水素製造装置２０を定格運転させ（ステップＳ１８）、余剰電力が水素製造装置２０の定格運転時の消費電力（ＥＨ２＋Ｅａ）未満であるとき（ステップＳ１７でＮＯ）には水素製造装置２０の運転を停止させる（ステップＳ１９）。【選択図】図２

WATER ELECTROLYZER SYSTEM

Resumen de: US2025305164A1

The invention relates to a water electrolyzer system (1) for producing hydrogen. According to the invention, the water electrolyzer system (1) comprises an electrolysis stack (8) for converting water into hydrogen, a power electronics means (12) for transforming the alternating current into a direct current in order to supply the electrolysis stack (8), components (56, 64, 72, 80) for preparing the process media supplied to and discharged from the electrolysis stack (8), and a control unit (18) for controlling the electrolysis stack (8), as well as the power electronics means (12) and the components (56, 64, 72, 80) for preparing the media. At least the electrolysis stack (8), the power electronics means (12), and the control unit (18) are formed together as an electrolyzer module (36), and the components (56, 64, 72, 80) for preparing and conveying the media are formed together as a process module (52). The modules (36, 52) are provided with connection means (32, 40, 48, 84), via which the individual modules (36, 52) can be fluidically and electrically connected together.

BYPASSABLE CIRCUITRY ARRANGEMENTS FOR ELECTROLYZERS WITH BYPASSABLE BIPOLAR PLATES

Resumen de: US2025305169A1

Various examples are directed to an electrolyzer system comprising an electrolyzer stack and a control circuit. The electrolyzer stack may comprise a first bipolar plate, a second bipolar plate parallel to the first bipolar plate and a third bipolar plate parallel to the second bipolar plate. The electrolyzer stack may further comprise a first switch electrically coupled between the first bipolar plate and the second bipolar plate to selectively electrically couple the first bipolar plate and the second bipolar plate, and a second switch electrically coupled between the first bipolar plate and the second bipolar plate to selectively electrically coupled the second bipolar plate and the third bipolar plate. The controller circuit may be configured to actuate the first switch to electrically couple the first bipolar plate and the second bipolar plate.

ELECTRODE COMPOSITIONS

Resumen de: US2025305167A1

The present disclosure relates to electrode compositions, in particular electrode compositions comprising hybrid electrode particles, which can be used in solid oxide electrochemical cells. The present disclosure also relates to processes for preparing hybrid electrode particles. The present disclosure also relates to electrodes, including sintered electrodes, comprising the electrode compositions, and to solid oxide electrochemical cells comprising the electrode compositions.

GAS PRODUCTION SYSTEM

Resumen de: US2025305155A1

A gas production system includes an electrolyzer configured to provide a gas comprising hydrogen gas and oxygen gas. The gas production system includes a housing having a housing inlet configured to receive the gas from the electrolyzer. The gas production system includes a first catalyst member configured to receive the gas from the housing inlet. The gas production system includes a second catalyst member configured to receive the gas from the first catalyst member. The gas production system includes a first injector configured to selectively provide a first amount of a treatment gas into the housing at a location between the housing inlet and the first catalyst member. gas production system includes a second injector configured to selectively provide a second amount of the treatment gas into the housing at a location between the first catalyst member and the second catalyst member.

MEMBRANE

Nº publicación: US2025305160A1 02/10/2025

Solicitante:

JOHNSON MATTHEY HYDROGEN TECH LIMITED [GB]
JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LIMITED

Resumen de: US2025305160A1

An electrolyte membrane comprising a recombination catalyst layer. The membrane has a thickness of less than or equal to 100 μm and is a single coherent polymer film comprising a plurality of ion conducting polymer layers. The recombination catalyst layer comprises particles of an unsupported recombination catalyst dispersed in an ion conducting polymer and the layer has a thickness in the range of and including 5 to 30 μm. Catalyst coated membranes (CCMs) incorporating the electrolyte membranes are also provided, together with methods of manufacturing the electrolyte membranes.