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POWER RECEPTION DEVICE AND ENERGY SYSTEM

Resumen de: WO2026141244A1

This power reception device is supplied with a first positive electrode fluid and a negative electrode fluid, and is capable of producing hydrogen by an electrolytic reaction of water. The negative electrode fluid contains a hydrogen storage alloy, and can be operated in a first state in which the hydrogen storage alloy stores hydrogen generated by the electrolytic reaction, and in a second state in which the hydrogen storage alloy generates hydrogen.

METHOD AND SYSTEM OF OPERATING A POLYMER ELECTROLYTE MEMBRANE ELECTROLYSER WITH OXYGEN RECIRCULATION

Resumen de: WO2026139866A1

The present invention relates to a method and system of producing hydrogen gas using a water electrolyser cell that comprises both a catalytic reactor and polymer electrolyte membrane (PEM) electrolyser stack of cells. Oxygen generated by the PEM electrolyser stack may be recycled. The system and method include controlling the concentration of hydrogen in the anode compartment of the PEM electrolyser stack by varying the amount of recycled oxygen.

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.

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.

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.

ELECTROLYTIC CELL HAVING OPTIMIZED CONTACTING OF A CATALYST LAYER

Resumen de: AU2024397101A1

The invention relates to an electrolytic cell (01) for the electrolysis of CO2, comprising a cathode side (02) and an anode side (03). The electrolytic cell (01) comprises a cathode plate (04), a gas chamber (06), a gas-diffusion layer (08), a catalyst layer (09), a water chamber (07) and an anode plate (05). The contacting of the catalyst layer (09) is optimized by using a plurality of current bridges (10). To this end, these current bridges (10) are electrically conductively connected to the cathode plate (04) and to the catalyst layer (09) while penetrating the gas-diffusion layer (08).

CROSSLINKED COPOLYMER, POLYMER MEMBRANE COMPRISING SAME, AND ANION EXCHANGE MEMBRANE COMPRISING SAME POLYMER MEMBRANE

Resumen de: US20260184857A1

0000 A crosslinked copolymer is disclosed. The crosslinked copolymer has outstanding ion exchange capacity, exhibits high ion conductivity and water content under diverse temperature conditions, and features high density, low hydrogen permeability, and excellent thermal and oxidative stability, making it well-suited as an anion exchange membrane for water electrolysis to produce high-purity hydrogen and oxygen.

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.

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.

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.

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: 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.

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.

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.

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.

PEM BoP Hydrogen production unit based on high-efficiency eco-friendly PEM stack and BoP system

Resumen de: KR20260100981A

0001a 본 발명은 PEM 방식 STACK과 BoP 시스템을 활용하여 에너지 효율(HHV 기준) 80% 이상을 달성하고, 생산 단가를 약 30% 절감한 고효율 친환경 수소 생산 기술에 관한 것이다. 본 기술은 방열, 방폭, 방진 설계를 통해 안정성을 확보하고, 재생에너지와 연계하여 탄소 배출 없는 수소 생산을 실현한다.

碱性电解水制氢系统

Resumen de: DE102025150513A1

Die vorliegende Erfindung stellt eine Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse bereit. Die Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse umfasst: einen Elektrolyseur, wobei der Elektrolyseur einen Wasserstoffauslass umfasst; und einen Wasserstoffabscheider, wobei der Wasserstoffabscheider einen Einlass für Gas-Flüssigkeitsgemisch und einen Gasauslass umfasst, wobei der Einlass für Gas-Flüssigkeitsgemisch über eine erste Rohrleitung mit dem Wasserstoffauslass des Elektrolyseurs verbunden ist, und wobei der Gasauslass für die Verbindung mit einem ersten Gasauslassrohr zur Abströmung des Wasserstoffs verwendet wird. Die Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse umfasst ferner eine am ersten Gasauslassrohr vorgesehene Kälteanlage. Die Kälteanlage umfasst einen Kompressor, einen Kondensator, ein Expansionsventil und einen Verdampfer, die über eine Rohrleitung nacheinander zu einer geschlossenen Anlage verbunden werden, wobei ein Kältemittel in der geschlossenen Anlage zyklisch strömt. Das erste Gasauslassrohr ist mit einem zweiten Wärmetauscher verbunden. Der Verdampfer der Kälteanlage ist im zweiten Wärmetauscher angeordnet und zur Aufnahme der Wärme des Wasserstoffs eingerichtet. Die Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse gemäß der vorliegenden Erfindung umfasst eine Kälteanlage am Gasauslassrohr, durch die der erzeugte Wasserstoff weiter gekühlt werden kann.

高流速電解およびガス分離を介する水素生成

Resumen de: WO2024254131A2

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.

Combined Cycle Power Generation System Using a Natural Gas-Hydrogen Fuel Mixture

Resumen de: KR20240057530A

The present invention discloses a gas turbine combined power generation system for mixed combustion of natural gas and hydrogen, which captures carbon dioxide, which is greenhouse gas, from exhaust gas emitted from a gas turbine of a power plant to reduce carbon dioxide emissions to zero, produces hydrogen using the captured carbon dioxide as a raw material, and recycles the produced hydrogen as power generation fuel. The above-described gas turbine combined power generation system for mixed combustion of natural gas and hydrogen includes a gas turbine power generation facility which produces electricity by mixing and combusting natural gas and hydrogen, a heat recovery steam generator which recovers a heat source from exhaust gas emitted from the gas turbine power generation facility, a steam turbine power generation facility which uses the heat source recovered from the heat recovery steam generator, a carbon dioxide capture facility which captures carbon dioxide from exhaust gas emitted from the gas turbine power generation facility, and a hydrogen generation facility which produces hydrogen using the carbon dioxide captured from the carbon dioxide capture facility.

電気化学セル、ならびに電気化学セルのアセンブリを製造するための方法及びシステム

Resumen de: WO2024256503A1

The invention relates to a method for manufacturing an assembly for an electrochemical cell, wherein the assembly comprises at least the following structural components: a first plate (10; 10') for supplying and/or discharging fluid, a proton exchange membrane (42), a first electrode (31) arranged between the first plate and the proton exchange membrane, and a first gas diffusion layer (21) arranged between the first plate and the first electrode, and wherein the method comprises the steps of A) providing a base comprising only a portion of the structural components, in particular the first plate and/or the first gas diffusion layer; and B) assembling the assembly, wherein the assembling involves adding the remaining structural components; or the steps of a) providing a base that is different from the structural components; and b) assembling the assembly, wherein the assembling involves adding the structural components; wherein a casing is formed by applying one or more layers of moulding material (70-72) to the provided base, a strength of this moulding material increases after said application, and at least one layer of the moulding material forming the casing or at least a circumferential section of the casing is applied before step B) or b). The invention also relates to an electrochemical cell, in particular a fuel cell or electrolysis cell, a cell stack with cells of this type, as well as a method and a system for manufacturing assemblies for cells or cell stacks of thi

COx MEMBRANE ELECTRODE ASSEMBLY FOR COX REDUCTION

Resumen de: WO2021108446A1

Provided herein are membrane electrode assemblies (MEAs) for COx reduction. According to various embodiments, the MEAs are configured to address challenges particular to COx including managing water in the MEA. Bipolar and anion exchange membrane (AEM)-only MEAs are described along with components thereof and related methods of fabrication.

Hydrogen and oxygen supply apparatus for gas scrubber

Nº publicación: KR20260099641A 29/06/2026

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