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GAS PRODUCTION SYSTEM AND METHOD FOR OPERATING GAS PRODUCTION SYSTEM

Resumen de: WO2026140263A1

The present invention comprises: a reactor (2) having a reducing agent for reducing a raw material gas to generate a product gas; a hydrogen generator (3) for generating a reducing gas for reducing the reducing agent; a raw material gas supply path (41) for sending the raw material gas to the reactor; a reducing gas supply path (42) for sending the reducing gas from the hydrogen generator to the reactor; a product gas discharge path (43) for discharging the product gas generated in the reactor; a reuse gas discharge path (44) for discharging, from the reactor, a reuse gas generated from the reducing agent reduced by the reducing gas, and sending the reuse gas to the hydrogen generator; a supply gas switching unit (60) for switching the path of the gas sent to the reactor; and a discharge gas switching unit (70) for switching the path of the gas discharged from the reactor.

WATER ELECTROLYSIS SYSTEM AND WATER ELECTROLYSIS METHOD

Resumen de: WO2026140652A1

This water electrolysis system has a plurality of DC power supplies and a plurality of water electrolysis stacks connected to the plurality of DC power supplies. The water electrolysis system comprises an operation control unit that individually controls the currents of the plurality of DC power supplies. The operation control unit is configured to individually control the currents of the plurality of DC power supplies so that either the average value of the stack voltages or the average value of the cell voltages of the plurality of water electrolysis stacks decreases according to a designated hydrogen production amount. Accordingly, hydrogen can be produced with high efficiency in consideration of variations in the initial performance and performance deterioration of the water electrolysis stacks.

ELECTROCHEMICAL DEVICE COMPRISING BIPOLAR METAL SELECTIVE PROTON CONDUCTOR

Resumen de: WO2026142354A1

The present invention relates to an electrolyte membrane comprising a bipolar metal selective proton conductor. A hydrogen storage alloy is introduced therein to conduct, without hydration, protons, thereby enabling crossover to be completely blocked, and has excellent mechanical strength, and thus can replace a conventional Nafion electrolyte membrane. In addition, if the electrolyte membrane is applied to a proton-exchange membrane for a fuel cell, electrochemical performance of the fuel cell can be improved.

Control Strategy for a Multi-Electrolyzer Module Matrix Control System

Resumen de: US20260186480A1

0000 A multi-module matrix control system dynamically manages the operation of electrolyzers across modules to optimize power allocation and maximize efficiency. Each module operates as an independent unit with multiple electrolyzers and corresponding power sources, utilizing linear and nonlinear algorithms for load distribution. The system includes innovative rotation strategies to balance wear and ensure longevity, fault prediction for proactive maintenance, and real-time adjustments to adapt to power input fluctuations. With three operational modes—Peak Performance, Dynamic Equilibrium, and Energy Conservation—the system seamlessly transitions between states based on power availability. This control approach enhances hydrogen production scalability, minimizes energy consumption, and ensures stable, efficient operation under varying conditions, making it ideal for applications ranging from megawatt to gigawatt-scale systems.

AMMONIA DECOMPOSITION REACTOR

Resumen de: US20260183731A1

0000 This specification discloses an ammonia decomposition reactor comprising a plurality of reaction chambers, a passage, an inlet and outlet, and a plurality of flat plate-type heaters. According to the exemplary embodiments of the present invention, the hydrogen production rate can be maximized relative to the weight and volume of the system, and the heaters can be individually controlled, providing the effect of facilitating heat management.

SUBSTRATE TUBE, ELECTROLYSIS CELL STACK PROVIDED WITH SAME, ELECTROLYSIS CELL CARTRIDGE AND ELECTROLYSIS CELL MODULE, AND METHOD FOR MANUFACTURING ELECTROLYSIS CELL STACK

Resumen de: WO2026140362A1

Provided are a substrate tube capable of suppressing waste of a functional film material and a supply gas and achieving both mechanical strength and weight reduction, an electrolysis cell stack provided with the same, an electrolysis cell cartridge and an electrolysis cell module, and a manufacturing method of the electrolysis cell stack. A substrate tube (10) according to the present disclosure includes: a honeycomb structure part (11) having a tubular outer peripheral wall (13), a tubular inner peripheral wall (14) coaxially disposed on the inner side of the outer peripheral wall (13), and a partition wall (15) defining a plurality of hole portions (16) between the outer peripheral wall (13) and the inner peripheral wall (14); and a hollow part (12) having an outer contour defined by the inner peripheral wall (14). The honeycomb structure part (11) has an outer peripheral hole group (17) in which some of the plurality of hole portions (16) are arranged in an annular shape along the outer periphery of the substrate tube (10), and an inner peripheral hole group (18) in which the rest of the plurality of hole portions (16) are arranged in an annular shape on the inner side in the radial direction of the substrate tube (10) with respect to the outer peripheral hole group (17). The cross-sectional area of each hole portion (19) of the outer peripheral hole group (17) is 2 to 13 times larger than the cross-sectional area of each hole portion (20) of the inner peripheral hole grou

SOLID POLYMER ELECTROLYTE MEMBRANE, METHOD FOR PRODUCING SOLID POLYMER ELECTROLYTE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, AND METHOD FOR PRODUCING HYDROGEN

Resumen de: WO2026141293A1

Provided is a solid polymer electrolyte membrane that has high durability during electrolysis.　Provided is a solid polymer electrolyte membrane which contains a fluorine-containing polymer that comprises a unit represented by a specific formula (1). In the infrared spectrum of the fluorine-containing polymer, the ratio of the maximum absorbance I1690 at 1690 ± 10 cm-1 to the maximum absorbance I2350 at 2350 ± 30 cm-1 is 0.150 or less. By Raman spectroscopy, when a cross section in the thickness direction is irradiated with polarized light orthogonal to the thickness direction to obtain a spectrum chart, A1 is the ratio of the peak area a2 of 680 to 760 cm-1 to the peak area a1 of 1025 to 1095 cm-1, and when the cross section in the thickness direction is irradiated with polarized light parallel to the thickness direction to obtain a spectrum chart, B1 is the ratio of the peak area b2 of 680 to 760 cm-1 to the peak area b1 of 1025 to 1095 cm-1, and the ratio of B1 to A1 is 1.05 or more.

MEMBRANE REACTOR FOR HYDROGEN PRODUCTION FROM HYDROGEN SULFIDE

Resumen de: US20260184561A1

Methods and systems for converting hydrogen sulfide (H2S) to hydrogen (H2) and sulfur (S). The method includes passing a H2S-containing feed gas stream through one or more membrane reactors to contact the H2S-containing feed gas stream with a H2S decomposition catalyst of a hydrogen-permeable membrane, thereby converting at least a portion of the H2S to H2 and S and producing a spent catalyst in-situ, a H2 permeate gas stream, and a retentate gas stream. The hydrogen-permeable membrane allows only H2 to pass through in the formation of the H2 permeate gas stream. The S is present in the retentate gas stream in the form of a vapor.

E-METHANOL SAGD PLANT SYSTEM APPLICABLE TO UNCONVENTIONAL OIL PRODUCTION AREAS

Resumen de: US20260185431A1

0000 Disclosed is an e-methanol SAGD plant system applicable to unconventional oil production areas capable of producing e-methanol using CO<2 >and carbon-reduced green hydrogen generated by a plant configured to recover bitumen using only a mixture of eco-friendly hydrogen generated by a water electrolysis apparatus and natural gas and steam instead of expanding solvent SAGD (ES-SAGD), which is a recovery method using steam, natural gas, and an additive (a solvent) used to reduce the steam-to-oil ratio (SOR), which impacts environmental pollution, when recovering an oil component from subterranean oil sands based on the widely adopted steam-assisted gravity drainage (SAGD) technology, among methods of recovering bitumen from oil sands.

RHENIUM-BASED HIGHLY CONCENTRATED HYDRATED HYDRAZINE DECOMPOSITION CATALYST FOR HIGHLY EFFICIENT HYDROGEN PRODUCTION AND METHOD FOR PREPARING SAME

Resumen de: WO2026141806A1

An embodiment of the present invention provides a rhenium-based highly concentrated hydrated hydrazine decomposition catalyst for highly efficient hydrogen production and a method for preparing same. According to an embodiment of the present invention, there is an effect of providing a high-performance hydrated hydrazine decomposition catalyst having up to 100% hydrogen selectivity for concentrated hydrated hydrazine while generating only hydrogen (H2) and nitrogen (N2) molecules as a result of a reaction.

OXYGEN EVOLUTION ELECTRODE CATALYST, METHOD FOR PRODUCING SAME, AND WATER ELECTROLYSIS DEVICE COMPRISING SAME

Resumen de: WO2026141825A1

The present invention relates to an oxygen evolution electrode catalyst comprising bismuth (Bi), wherein the bismuth exists together with iridium or an iridium compound to provide improved durability in an oxygen evolution reaction.

INSULATING PIPING, WATER ELECTROLYSIS SYSTEM, AND PIPING DAMAGE DETECTION METHOD

Resumen de: US20260185254A1

0000 There is provided an insulating piping configured by a double tube including an inner tube that connects a water electrolysis stack and an auxiliary machine and through which a fluid flows, and an outer tube provided on an outer side of the inner tube via the inner tube and an outer tube inner space; in which the outer tube has an insulating property, the water electrolysis stack and the auxiliary machine are insulated from each other in the inner tube, and a dry gas having a humidity of less than or equal to a predetermined value is enclosed in an outer tube inner space that is the space at a pressure of the fluid flowing inside the inner tube and a pressure higher than an atmospheric pressure.

열 에너지 및 기초 화학물질을 제조하기 위한 방법 및 반응기

Resumen de: EP4529979A1

0001 Disclosed is a process for producing thermal energy and base chemicals and a reactor used for this process. The reactor contains a reaction space for oxidizing metal fuel with water and optionally other oxidants. The reaction space is connected at its outlet with a separation device for solids contained in the product gas leaving the reaction space. In the reaction space a first flame is generated which triggers the reaction of metallic fuel with oxidant to generate a second flame within the reaction space. The first flame is generated by using a fuel mixture which is introduced into the reaction space via one or more feed lines. At the end of this feed line(s) an ignition device acts on the fuel to ignite the first flame which in turn triggers the formation of the second flame. The thermal energy generated by the oxidation reaction is recovered by using one or more heat exchangers which may be placed at different lociations of the reactor. 0002 With the reactor and the process of this invention hydrogen and/or cabon monoxide is generated from metal fuel and water or CO<2>. When using water and carbon dioxide as oxidant a mixture of hydrogen and carbon monoxide is produced. These products can be used as base chemicals in various processes.

ELECTROLYSER FOR HYDROGEN PRODUCTION

Resumen de: WO2025045641A1

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.

高孔食電位と低抵抗率を有するチタン合金バイポーラプレート及びその製造方法

Resumen de: CN118345410A

The invention discloses a titanium alloy bipolar plate with high erosion potential and low resistivity and a preparation method thereof, the titanium alloy bipolar plate comprises the following components in percentage by mass: 3.0%-5.0% of Mo, 0.1%-0.3% of Ni, 0.005%-0.05% of Ru and the balance of Ti, and the total content of impurity elements (Fe, O, C, N and H) does not exceed 0.01%; according to the titanium alloy bipolar plate disclosed by the invention, on the basis of meeting the conductivity requirement, the pitting potential of the titanium alloy bipolar plate can be improved, so that the problems of relatively poor corrosion resistance and low hydrogen production efficiency caused by relatively low pitting potential of the titanium alloy bipolar plate in a service environment of a water electrolysis hydrogen production electrolytic bath are fundamentally solved.

ELECTRODE CONTAINING OXYGEN GENERATING ELECTRODE CATALYST

Resumen de: EP4768632A1

0001 An electrode that exhibits higher oxygen evolution electrode catalytic activity than existing electrodes that use manganese-based oxide as the oxygen evolution electrocatalyst is provided.

HYDROCARBON MEMBRANE

Resumen de: WO2025040911A1

The disclosure provides an ion-conducting membrane, the ion-conducting membrane comprising a sulphonated hydrocarbon ionomer, wherein the ion-conducting membrane has a Lambda value of less than about 60.

HYDROCARBON MEMBRANE

Resumen de: WO2025040912A1

The disclosure provides a process of preparing an ion-conducting membrane comprising a sulphonated hydrocarbon ionomer having an ion-exchange capacity I2 meq/g, the process comprising the steps of: a) providing a sulphonated hydrocarbon ionomer having an ion- exchange capacity I1 meq/g; b) casting an ion-conducting membrane from a mixture of the sulphonated hydrocarbon ionomer provided in step a) and a solvent; c) applying a treatment to the ion-conducting membrane prepared in step b) which reduces the ion-exchange capacity from I1 meq/g to an ion-exchange capacity I2 meq/g, wherein I2 is less than I1.

Method for controlling emergency operation in a hydrogen production system by heating the working fluid

Resumen de: KR20260102174A

0001a 본 발명은 수소 생산 시스템의 스팀-가스 열교환기로 유입되는 작동유체, 질소, 증기, 및 공기 라인 중 어느 한 개 이상에 구비된 가열 또는 단열을 위한 히터와 수소 생산 시스템의 SOEC 및 SOFC의 고온 작동을 위한 열원, 수소 생산 시스템에 구비된 안전 밸브 및 히터, 열원 및 안전 밸브로 긴급 전원이 공급될 수 있는 비상발전기를 포함하는 작동유체 가열에 의한 수소 생산 시스템에서의 비상 운전 제어 장치 및 방법에 관한 것이다.

SURFACE PLASMON RESONANCE CATALYST AND CHEMICAL REACTION SYSTEM

Resumen de: WO2025049352A2

This discloses a surfaced plasmon resonance catalyst device and a chemical reaction systems using the catalyst device. The catalyst device includes metal nanoparticles formed over a supporting body with ligands that are interposed between the supporting body and many of the metal nanoparticles. Many of the ligands are bonded to a surface of the supporting body on one hand and are also bonded to at least part of the metal nanoparticles on the other hand. One chemical reaction system includes a flow reactor that accommodates the catalyst device for use in ammonia cracking.

PRODUCTION AND USE OF AQUA-AMMONIA FOR STORAGE OF ENERGY OR HYDROGEN

Resumen de: WO2025059026A1

Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.

WATER ELECTROLYSIS SYSTEM AND WATER ELECTROLYSIS SYSTEM CONTROL DEVICE

Resumen de: EP4768634A1

0001 In a water electrolysis system that changes a power consumption by detecting a grid frequency in order to rapidly change the power consumption, deterioration and breakdown of the electrolyzer are suppressed by calculating an appropriate adjustment margin that allows an electrolyzer to instantaneously respond. The water electrolysis system includes: a rectifier that converts an AC power from a power grid to a DC power; an electrolyzer that performs a water electrolysis with the DC power from the rectifier; a gas-liquid separator that separates the oxygen and the hydrogen from a mixed fluid of oxygen and water from the electrolyzer; and a cooling system that supplies water to the electrolyzer. The rectifier is controlled so as to adjust power consumption according to a frequency of the power grid, and the power consumption is adjusted so as to fall within a limit range of the power consumption in the electrolyzer, and the limit range of the power consumption is determined on the basis of a temperature of the electrolyzer, a deterioration rate thereof, a water pressure in an electrolyzer outlet, and a flow rate of supply water.

COMPOSITE MEMBRANE FOR WATER ELECTROLYSIS CELL

Resumen de: EP4768633A1

0001 The present invention discloses a composite diaphragm for a water electrolyzer, the composite diaphragm invention includes a nonwoven fabric and a polymer resin, the polymer resin is present on one surface or both surfaces of the nonwoven fabric, and the structure of the nonwoven fabric is penetrated by a part or all of the polymer resin, and the nonwoven fabric has a weight ratio of 20 to 95% in the composite diaphragm, a thickness of 0.20 to 2.00 mm, a basis weight of 100 to 400 g/m<2>, and a density of 0.20 to 0.50 g/cm<3>. The composite diaphragm for a water electrolyzer according to the present invention has features of being high in airtightness, low in electrical resistance, and high in durability in use in an alkaline solution environment.

INTEGRATED PLANT FOR THE PRODUCTION OF RENEWABLE HYDROGEN AND BIOMETHANE

Resumen de: EP4768557A1

0001 The present disclosure relates to an integrated plant for production of renewable hydrogen and biomethane, comprising a biomass gasification unit configured to convert organic feedstock into product gas; a methanation unit coupled to the biomass gasification unit to process product gas and produce biomethane; an electrolysis unit configured to produce renewable hydrogen from water using renewable energy sources with more energy efficiency conversion; a gas storage unit for the safe storage of biomethane and renewable hydrogen; and a control unit for optimizing energy usage, gas flow, and overall process efficiency, increasing the energy efficiency of gasification, by low and medium enthalpy energy recovery for pre-treatment biomass, wherein the biomethane and renewable hydrogen are combined in a fuel cell conversion unit to generate clean water as a by-product. The oxygen produced by electrolysis is supplied to the gasification unit, the thermal energy recovered from the internal process units is used to preheat the electrolysis feed water, and the water produced by the fuel cell conversion is recovered and reused for electrolysis, thus forming closed internal cycles of mass and energy flows. The integrated facility offers an efficient and flexible solution for the production and use of renewable hydrogen and biomethane.

METHOD AND SYSTEM FOR THE PRODUCTION AND USE OF HYDROGEN

Nº publicación: EP4768115A2 01/07/2026

Solicitante:

KRONENBERGER THOMAS [DE]
FUCHS DANIEL [DE]
SPIELMANN PATRICK [DE]
HUBERT JELENA [DE]
Kronenberger, Thomas
Fuchs, Daniel
Spielmann, Patrick
Hubert, Jelena

Resumen de: EP4768115A2

Die Erfindung betrifft ein Verfahren und eine Anlage zur Gewinnung und Nutzung von Wasserstoff, insbesondere zur Nutzung von Wasserstoff im Bereich der Galvanik. Es wird eine klimapositive Galvanik mit dem Ziel vorgestellt, den CO₂-Fuß-abdruck eines Galvanikprozesses durch die Nutzung einer innovativen Kombination aus vorhandenen Verfahren und der Nutzung des bisher ungenutzten Gasgemisches (verunreinigtes H₂) zu reduzieren.