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SUPPORTED ABSORBENTS FOR AMMONIA SEPARATION

Resumen de: US20260225903A1

0000 A system and method of producing ammonia comprises reacting a nitrogen feed gas and a hydrogen feed gas in a reactor to form ammonia, wherein the reaction produces a reaction mixture comprising ammonia gas, unreacted nitrogen and unreacted hydrogen, absorbing the ammonia from the reaction mixture in an absorber column containing an absorber, the absorber comprising a support and a metal halide, outputting the ammonia absorbed by the absorber, and recycling the unreacted nitrogen and unreacted hydrogen.

Entfernung von Gasblasen aus einer Flüssigphase

Resumen de: DE102025000418A1

Die Erfindung betrifft ein Verfahren zur Entfernung von Gasblasen (P) aus einer kontinuierlichen Flüssigphase (1), die hierbei durch einen Abscheidebehälter (B) geführt wird. Kennzeichnend herbei ist, dass die Koaleszenz der Gasblasen (P) durch ein Hilfsgas (4) unterstützt wird, das unter Bildung von Hilfsgasblasen (H) in die Flüssigphase (1) eingeleitet wird.

ADHESIVE SHEET

Resumen de: WO2026164246A1

Provided is an adhesive sheet which comprises a substrate layer comprising a polymer having a sulfur atom in the molecule and an adhesive layer disposed on the substrate layer on the side of one surface thereof, wherein the adhesive layer comprises a styrene-based block copolymer and a tackifier.

METHOD FOR PREPARING POLYMER COMPOSITE HAVING REDUCED GAS PERMEABILITY AND ENHANCED DURABILITY, AND GASKET COMPRISING SAME

Resumen de: WO2026164394A1

The present invention relates to a method for preparing a polymer composite for a gasket for a fuel cell or water electrolysis stack, and specifically, a preparation method of the present invention provides a method for preparing a polymer composite that is based on ethylene-propylene diene monomer (EPDM) rubber or polydimethylsiloxane (PDMS) silicone. A polymer composite comprising a PMA-BNNNF nanofiller, prepared by the present invention, uses the PMA-BNNNF nanofiller as a crosslinking agent so as to enable increasing the crosslink density of the crosslinking agent and reducing gas permeability, and has the advantage of having excellent compression set, crosslink density, hydrogen permeability, and acid resistance, and thus may be used for a gasket for a fuel cell or water electrolysis stack having excellent performance.

Elektrolysevorrichtung

Resumen de: DE102025104344A1

Elektrolysevorrichtung zur Erzeugung von Wasserstoff aus Wasser mit Hilfe von elektrischem Strom, mit einem Zellstapel aus mehreren Zellstapelelementen, die Elektrolysezellen ausbilden, mit Endplatten (16), zwischen welchen der Zellstapel aus den mehreren Zellstapelelementen angeordnet ist und verpresst ist, wobei die Zellstapelelemente und die Endplatten (16) des Zellstapels sich in Stapelrichtung der Zellstapelelemente erstreckende Strömungskanäle (23) für Wasserstoff, Strömungskanäle (24) für Wasser und Strömungskanäle (25) für Wasser und Sauerstoff bilden, und mindestens eine Endplatte (16) mindestens eine Inspektionsöffnung (26) aufweist, über die eine Inspektionseinrichtung in mindestens einen der Strömungskanäle (23, 24, 25) einführbar ist.

A SEPARATOR FOR ALKALINE WATER ELECTROLYSIS

Resumen de: AU2024406508A1

A separator for alkaline water electrolysis comprising: - a porous support (100) and on at least one side of the support, in order: - an optional porous layer including a Polymer A (200), and - a non-porous layer including a Polymer B (300), characterized in that the separator is obtainable by coating on the porous support (100) or the optional porous layer (200) a Polymer B solution having a viscosity of at least 400 mPa.s, measured at 20°C and a shear rate of 100 s-1, and wherein the separator has a Bubble Point, measured according to ASTM F316, of at least 5 bar.

MEMBRANE ELECTRODE ASSEMBLY AND ELECTROCHEMICAL REACTION DEVICE

Resumen de: US20260226634A1

0000 A membrane electrode assembly includes an anode having an anode catalyst layer, a cathode having a cathode catalyst layer, and an electrolyte membrane provided between the anode and the cathode. An ion exchange equivalent weight of the electrolyte membrane is equal to or higher than an ion exchange equivalent weight of the cathode catalyst layer. An ion exchange equivalent weight of the anode catalyst layer is higher than the ion exchange equivalent weight of the cathode catalyst layer and is equal to or higher than the ion exchange equivalent weight of the electrolyte membrane.

SYSTEM AND METHOD FOR PRODUCTION OF HYDROGEN

Resumen de: WO2026165103A1

A system and method for producing low-cost, low to zero-carbon, and emission-free hydrogen (H2) is provided. The system includes an auto-thermal reformer which uses electrolytic oxygen (O2), a hydrocarbon fuel source, and water (H2O) to perform a partial oxidation reaction and produce auto-thermal reformed hydrogen and carbon dioxide (CO2). The system also includes a carbon dioxide electrolyzer for receiving electricity and the carbon dioxide from the auto-thermal reformer, and performing electrolysis on the carbon dioxide. The carbon dioxide electrolyzer produces electrolytic carbon monoxide (CO) and a portion of the electrolytic oxygen provided to the auto-thermal reformer. The system also typically includes a water electrolyzer, which performs water electrolysis to produce electrolytic hydrogen and more electrolytic oxygen which can be provided to the auto-thermal reformer. In addition, the carbon monoxide produced by the carbon dioxide electrolyzer can be combined with the hydrogen produced by the auto-thermal reformer to form syngas.

METHOD FOR PRODUCING A SIC ELECTRODE, AND SIC ELECTRODE

Resumen de: WO2026162549A1

The invention relates to a method for producing a SiC electrode 1. The method comprises: providing a SiC powder and sintering the SiC powder to form a SiC sintered body. The invention also relates to a SiC electrode 1 comprising a sintered electrode material 3a, 3b.

A method for operating an electrolysis system, related controller, power supply and electrolyzer system

Resumen de: AU2025279764A1

A method for operating an electrolysis system, related controller, power supply and electrolyzer system Abstract A method for operating an electrolysis system comprising an electrolyzer (7) and an on-load tap changing transformer (2) is provided. The system further comprises at least two line- commutated converters (3), preferably IGBT converters, wherein the on-load tap changing transformer (2) receives an electrical power (4) from an electrical power source (5) and provides an electrical power output (4) to the line-commutated converters (3), wherein the at least two line-commutated converters (3) are electrically connected in parallel between the on-load tap changing transformer (2) on a AC side and an electrolyzer (7) on a DC side and convert the electrical power output (4) into an electrical power input (6) for the electrolyzer (7), wherein the at least two converters (3) are connected to the same transformer AC bus, the method comprising in a ramping phase of the electrolyzer (7, 100) adjusting a voltage (UE) of the electrical power input (6) by means of only one of the parallelly connected converters (3) to a tap changing voltage (Utap), wherein the other parallelly connected converter is in a stand-by mode. Moreover, a related power supply, a controller, computer program and a related electrolyzer system are provided. Abstract ec e c b s t r a c t

SYSTEM FOR GENERATING ELECTRICAL ENERGY IN A CHLOR-ALKALI INDUSTRY PROCESS

Resumen de: WO2026162628A1

System (100) for exploiting hydrogen (H2) produced as by-product by a chlor-alkali plant (10) comprising a compressor (20), a storage unit (30) and a power generation unit (40). The compressor (20) is fluidly coupled to the chlor-alkali plant (10) and is configured to receive and compress the hydrogen (H2) produced by the chlor-alkali plant (10) so to discharge a compressed hydrogen flow (CH2). The storage unit (30) is fluidly coupled to the compressor (20) and is configured to receive and store the compressed hydrogen flow (CH2) at least for a predetermined time and to discharge a stored hydrogen flow (SH2). The power generation unit (40) is fluidly coupled to the storage unit (30) and is configured to receive a first hydrogen flow (HF1) of the stored hydrogen (SH2) as a fuel and/or one or more external fuels (F), so to perform a combustion and produce electrical power (E1) and/or mechanical power (M1). The power generation unit (40) is further electrically coupled to the chlor-alkali plant (10) and/or mechanically coupled to the compressor (20) so that the electrical power (E1) produced by the power generation unit (40) is supplied to the chlor-alkali plant (10) and/or at least part of the mechanical power (M1) is used to drive the compressor (20).

A GREEN HYDROGEN POWER PLANT AND A METHOD AT A PLANT CONTROLLER FOR CONTROLLING THE GREEN HYDROGEN POWER PLANT

Resumen de: WO2026162388A1

The present disclosure relates to a green hydrogen power plant (1) comprising a renewable energy generation facility (11); a hydrogen production facility (12); and an 5 energy storage unit (13) to store electrical energy; and a plant controller (14) configured to: determine (101) a total value of electrical energy demanded by the hydrogen production facility (12) to operate continuously during an energy production cycle period of the renewable energy generation facility (11); calculate (102) an energy threshold for the energy production cycle period based on said total value of electrical 10 energy demanded by the hydrogen production facility (12); detect (103) whether the current electrical energy produced at said instant by the renewable energy generation facility (11) reaches the energy threshold; in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is above or equal to the energy threshold, generate (104) an instruction for controlling the 15 renewable energy generation facility (11) to direct excess electrical energy to the energy storage unit (13); and in response of detecting that the current electrical energy produced by the renewable energy generation facility (11) is below the energy threshold, generate (105) an instruction for controlling the energy storage unit (13) to supply the hydrogen production facility (12) with the stored electrical energy to allow 20 the hydrogen production facility (12) to o

UTILIZING SOLID-STATE CHEMICALS FOR THE DISTRIBUTED GENERATION AND STORAGE OF HYDROGEN FROM RENEWABLE ENERGY TO MANAGE POWER AND HEAT SUPPLY

Resumen de: US20260225880A1

The invention provides a system and method for the distributed generation and storage of hydrogen utilizing solid-state chemicals. Surplus electrical energy from renewable sources, such as solar and wind, is converted into green hydrogen, stored in the form of sodium borohydride (NaBH4). This solid-state storage medium facilitates safe and efficient hydrogen containment, overcoming limitations in transportation and storage. The hydrogen can be regenerated for use in electricity and heat generation across residential, commercial, agricultural, and industrial applications, including refueling facilities. A cycle of NaBH4 synthesis, hydrogen extraction, and regeneration using renewable energy ensures long-term sustainability. This innovation addresses grid intermittency, enables peak shaving, and decentralizes energy systems, contributing to energy security and a low-carbon economy. The process integrates renewable energy, electrochemical synthesis, and catalytic reactions to provide a scalable solution for modern energy challenges, supporting both immediate and long-term energy needs.

METHOD FOR OPERATING AN ELECTROLYSER SYSTEM AND ELECTROLYSER SYSTEMS

Resumen de: WO2026162948A1

A system comprising an electrolyser cell stack of electrolyser cell units, a separation unit and a Fischer-Tropsch reactor unit and a method for operating the system. The method comprising providing fuel to a fuel volume of the electrolyser cell stack, wherein the fuel comprises steam and carbon dioxide and is provided to the fuel volume at a first temperature. The method comprises powering the electrolyser cell stack with electrical energy thereby converting, at least partially, the steam into hydrogen and oxygen, wherein hydrogen is released into the fuel volume and oxygen is released into an oxygen volume. Carbon dioxide and hydrogen are at least partially converted into carbon monoxide and water in the fuel volume. Powering the electrolyser cell stack comprises controlling a voltage supplied at an endothermic value.

CONTROL DEVICE FOR WATER ELECTROLYSIS SYSTEM, RENEWABLE ENERGY-COORDINATED WATER ELECTROLYSIS SYSTEM, AND CONTROL METHOD FOR WATER ELECTROLYSIS SYSTEM

Resumen de: WO2026163573A1

The present invention reduces fluctuation of a grid voltage due to generated power from a renewable energy power generation system by adjusting a load of a water electrolysis system. This control device for a water electrolysis system, which is connected to a grid via an interconnection point shared with a renewable energy power generation system for outputting generated power generated using renewable energy to at least the grid and produces hydrogen by electrolyzing water upon reception of the output of the generated power, is characterized by including: a renewable energy-generated power acquisition unit that acquires renewable energy-generated power that is generated power outputted by the renewable energy power generation system; and a water-electrolysis-system load command-value setting unit that sets a value obtained by multiplying the acquired renewable energy-generated power by a prescribed proportional gain, as a command value for a water electrolysis load of the water electrolysis system.

HIGH-ENTROPY RUTHENIUM OXIDES AS EFFICIENT OXYGEN EVOLUTION REACTION CATALYSTS

Resumen de: US20260225080A1

0000 An oxygen evolution reaction (OER) catalyst for reaction in acidic media comprising: a Ru(M1M2M3M4)O<2 >catalyst, wherein the Ru(M1M2M3M4)O<2 >catalyst comprises an M1, an M2, an M3 and an M4 co-doped in ruthenium oxide (RuO<2>), wherein M1 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M2 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, wherein M3 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof, and wherein M4 is chosen from Cr, Fe, Co, Ni, Cu, Zi, Al, Ga, Ge, Mg, La and combinations thereof.

Quantum-Controlled System for Hydrogen Extraction via Floquet-Engineered Bond Destabilization and AI-Regulated Reinjection Cycle

Resumen de: US20260225878A1

0000 A hydrogen production system utilizes Floquet-engineered photonic excitation and at least one dielectric laser excitation unit, including an Ava-assisted dielectric laser amplifier accelerator (AADLAA), under integrated quantum AI control. The system employs a multi-chamber architecture comprising a first dissociation chamber, a second dissociation chamber for partially processed effluent, and a purification and reinjection chamber. Catalyst-free water dissociation is achieved using synchronized laser modulation, AI-directed routing, and adaptive feedback. An AI-regulated safety network provides photonic alignment control, thermal and pressure management, gas purity safeguards, predictive hazard modeling, and fail-safe isolation. A thermal recovery module captures heat from one or more chambers for feedwater preheating and energy stabilization. The modular architecture supports upgrades in optics, safety, and energy inputs, including solar thermal, nuclear waste-heat, and geothermal sources. Purified hydrogen, oxygen, and water vapor are recovered, compressed, and selectively reinjected for closed-loop operation, achieving high efficiency with reduced entropy loss.

ANION-CONDUCTING MEMBRANE, METHOD FOR MANUFACTURING SUCH A MEMBRANE, ELECTROCHEMICAL CELL COMPRISING SUCH A MEMBRANE AND FACILITY COMPRISING SUCH A CELL

Resumen de: AU2025207661A1

The invention relates to a layer of catalytic material for an anion-conducting membrane (10) for an electrochemical device; the layer of catalytic material comprises metal nanoparticles bound by a polymer binder. In one embodiment, the metal nanoparticles comprise a mixture of nickel nanoparticles and cobalt nanoparticles. The invention also relates to a membrane comprising a layer of catalytic material and to a method for preparing and depositing a catalytic layer.

MULTI-STAGE MEMBRANE REACTOR SYSTEM FOR AMMONIA CRACKING TO PRODUCE HYDROGEN

Resumen de: US20260225879A1

A method of multi-stage ammonia cracking to produce hydrogen (H2), the method including providing a pressurized ammonia (NH3) to a first reactor including a first hydrogen-selective membrane tube at a first pressure. The method further includes catalytically cracking the NH3 within the first reactor to form H2 and nitrogen (N2). A first permeate from the first membrane tube includes the H2, and a first retentate from the first membrane tube includes unreacted NH3. The method further includes recovering the first permeate as a pressurized H2 product stream. The method further includes providing the first retentate to a second reactor including a second hydrogen-selective membrane tube at a second pressure that is lower than the first pressure. The method further includes catalytically cracking the unreacted NH3 within the second reactor to form additional H2 and N2. The method further includes recovering a second permeate as an additional H2 product stream.

MITIGATING CHLORIDE ION OXIDATION DURING SALINE WATER ELECTROLYSIS FOR HYDROGEN PRODUCTION AND CARBON DIOXIDE MINERALIZATION

Nº publicación: US20260225925A1 06/08/2026

Solicitante:

THE REGENTS OF THE UNIV OF CALIFORNIA [US]
The Regents of the University of California

Resumen de: US20260225925A1

0000 The present disclosure relates to methods of sequestering CO2 comprising a first cathodic chamber, performing a first alkaline process, a first anodic chamber, performing a first acidic process, and dechlorinating a solution by contacting the solution with a dechlorinating agent. Also provided herein are systems comprising a first cathodic chamber and a first anodic chamber.