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ELECTRODE MATERIAL FOR WATER ELECTROLYSIS

Resumen de: WO2026211328A1

The purpose of the present invention is to provide an electrode material for water electrolysis, with which a higher current density than that with conventional electrode materials for water electrolysis is rendered possible. This electrode material for water electrolysis comprises at least one compound (A) selected from the group consisting of iron-containing oxides and iron-containing hydroxides and at least one metal-containing component (B) selected from the group consisting of nickel, cobalt, and oxides of these, wherein the standard deviation of the weight ratio between the iron element of the compound (A) and the metallic element of the metal-containing component (B), as determined by the following calculation method, is 3 or less. The electrode material is examined with a scanning electron microscope (SEM) at a magnification of 10,000 times, and any 10 fields of view are subjected to element mapping and surface analysis with an EDS detector. The weight ratio of the metallic element of the metal-containing component (B) to the iron element of the compound (A) is determined with respect to each field of view, and the standard deviation for the 10 fields of view is determined.

HYDROGEN PRODUCTION DEVICE

Resumen de: US20260307034A1

0000 A hydrogen production device includes a reactor that produces hydrogen by thermally decomposing a hydrocarbon gas, which is a feed gas, using a catalyst including fine metallic particles. The feed gas is introduced into the reactor through a lower portion of the reactor such that a fluidized bed of the catalyst is formed inside the reactor. The reactor is configured to be supplied with activated catalyst.

OXYGEN EVOLUTION REACTION CATALYST AND METHOD FOR ITS PREPARATION

Resumen de: US20260308786A1

0000 The specification describes a process for preparing an oxygen evolution reaction catalyst, comprising the steps of: (i) combining iridium powder and a peroxide salt to produce a powder mixture; (ii) carrying out thermal treatment on the powder mixture; (iii) dissolving the product from (ii) in water to produce a solution; (iv) reducing the pH of the solution from (iii) to affect a precipitation and form a solid and a supernatant; (v) separating the solid from the supernatant; and (vi) drying the solid. An oxygen evolution catalyst obtainable by the process is also described.

Gas generator for a tool, usage of the gas generator and a tool with a gas generator

Resumen de: US20260308772A1

0000 A gas generator 20 for a tool including an electrolytic cell 30 for producing oxyhydrogen gas with a hollow cell body 31 and an electrode pair 32 with a first electrode 33 and a second electrode 35. The first electrode 33 and the second electrode 35 are separated by a non-conductive separator 37 in the hollow cell body 31. A gas extraction tube 55 is arranged in the hollow cell body 31. A usage of such a gas generator in a tool and a tool with such a gas generator is also provided.

ADDITIVES FOR IMPROVED ELECTROLYZER DURABILITY

Resumen de: US20260308776A1

The disclosed technology relates to a composition for mitigating hydrogen cross-over and for mitigating polymer oxidation by adding radical scavenging organic inhibitors within a proton exchange membrane (“PEM”) electrolyzer.

POLYMERIZABLE COMPOSITION, ION EXCHANGE RESIN, ION EXCHANGE MEMBRANE, MEMBRANE ELECTRODE ASSEMBLY, AND HYDROGEN PRODUCTION DEVICE

Resumen de: US20260308295A1

0000 Provided are: a polymerizable composition containing a quaternary ammonium salt represented by formula (I), a polymerizable monomer, a linear or branched C1-4 alkylene glycol, and at least one hydroxyl group-containing compound selected from the group consisting of a C4-15 primary alcohol, a C4-15 secondary alcohol, and a C5-15 diol which has a hydroxy group bonded to a secondary carbon atom; an ion exchange resin; an ion exchange membrane; a membrane electrode assembly; and a hydrogen production device.

HYDROGEN GENERATION DEVICE

Resumen de: US20260307031A1

A hydrogen generation device includes a hydrogen generator body, a secondary coil, an eddy current generating unit, and at least one support member. The hydrogen generator body includes a chamber. One end part of the hydrogen generator body is provided with a first inlet for allowing a first substance to enter the chamber and a second inlet for allowing a second substance to enter the chamber. The other end part of the hydrogen generator body is provided with an outlet and an exhaust port. The secondary coil is wound around the exterior of the hydrogen generator body. The eddy current generating unit is disposed in the chamber at a position corresponding to the secondary coil. The support member has plural holes and is disposed in the chamber. The eddy current generating unit penetrates through the support member and is arranged in the chamber by the support member.

OFF-GRID OFFSHORE ENERGY ISLAND SYSTEM FOR HYDROGEN PRODUCTION AND OPERATION CONTROL METHOD

Resumen de: WO2026208158A1

An off-grid offshore energy island system for hydrogen production, comprising wind turbine modules (1), a semi-submersible anti‑motion platform (2), and an energy storage module (3), a seawater desalination module (4), a water electrolysis hydrogen production module (5), hydrogen storage modules (6), a hydrogen liquefaction module (7), and an intelligent control module (8) which are arranged on the semi-submersible anti‑motion platform (2). The system realizes large-scale development of deep-sea wind energy by means of the floating wind turbine modules (1). The design of the semi-submersible anti‑motion platform (2) effectively solves the problem of structural stability under complex marine conditions in the deep sea, and significantly improves wind power capture efficiency in cooperation with the multi‑wind turbine parallel operation technology. An energy-resource synergistic conversion system is achieved. A full-chain coupling system of "wind power, energy storage, freshwater, green hydrogen, and liquid hydrogen" is pioneered, the electric energy conversion efficiency is improved, the intelligent control module (8) realizes dynamic matching of loads of various modules under wind power fluctuations, the overall energy utilization efficiency of the system is greatly improved, and zero-consumption water resource recycling is achieved. Further comprised is an operation control method.

HYDROGEN PRODUCTION SYSTEM AND HYDROGEN PRODUCTION METHOD

Resumen de: AU2025243755A1

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).

INTEGRATED SYSTEM FOR CH4 AND NH3 SYNTHESIS

Resumen de: AU2025244398A1

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.

ELECTROCHEMICAL CELL

Resumen de: AU2025246818A1

An electrochemical cell according to the present invention comprises an anode part, a cathode part, and an electrolyte membrane. The anode part has a first flow field that forms a space through which a first fluid including water flows so as to contact a first surface of the electrolyte membrane. The cathode part has a second flow field that forms a space through which a second fluid including a hydrogenated substance flows so as to contact a second surface of the electrolyte membrane. The second flow field comprises a porous layer formed of a conductive material, and the compressive strain of the porous layer in the cathode part is 0.3-0.8.

MEMBRANE ELECTRODE ASSEMBLY AND PREPARATION METHOD THEREFOR, ELECTROLYTIC CELL, AND SYSTEM FOR HYDROGEN PRODUCTION BY WATER ELECTROLYSIS

Resumen de: WO2026208386A1

The present application provides a membrane electrode assembly and a preparation method therefor, an electrolytic cell, and a system for hydrogen production by water electrolysis. The membrane electrode assembly comprises a support layer and a membrane electrode which are stacked, wherein the material of the support layer is a porous metal mesh, the porous metal mesh is formed by interweaving metal wires, and the wire diameter of the metal wires is 0.5-5.5 mm. The support layer is used for supporting the membrane electrode, can provide additional mechanical support for the membrane electrode, and reduces deformation of the membrane electrode under pressure. In addition, the support layer can effectively disperse external pressure, reduce local stress concentration in the membrane electrode, and reduce the risk of damage to the membrane electrode.

PLANE PARALLEL CONVERGING GAS FLOW ELECTROLYZER, CELL AND USE THEREOF

Resumen de: US20260308787A1

0000 An electrolyzer for generating hydrogen from water including electrodes and an electrically non-conductive separator layer extending in a substantially vertical plane including macroscopic through holes. The electrodes themselves include an anode and a cathode. The electrodes are each disposed at opposite faces of the separator. The electrodes each comprise a plurality fins. Each fin of the plurality of fins projects outwardly from the layer for restricting the upward movement of electrode generated bubbles to a bubble stream that is substantially parallel to the vertical plane.

AMMONIA CRACKING SYSTEM AND METHOD FOR CRACKING AMMONIA

Resumen de: US20260309325A1

0000 An ammonia cracking system includes a first line that is provided with ammonia, a cracker that is provided in the first line and that generates cracked gas containing hydrogen from the ammonia, and a second line that is fluidly connected to the first line at a position downstream of the cracker, the second line supplying liquid ammonia to the cracked gas flowing through the first line to generate mixed gas.

HYDROGEN PRODUCTION CONTROL SYSTEM AND METHOD

Resumen de: AU2025375145A1

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.

AMMONIA CRACKER

Resumen de: US20260308771A1

0000 Provided herein is an ammonia cracker comprising: an anolyte reservoir housing an anolyte comprising alkali and ammonia; at least one catholyte reservoir housing at least one catholyte, wherein the at least one catholyte comprises acid or alkali; and an electrolysis cell, the electrolysis cell comprising: an anode chamber housing an anode; at least one cathode chamber housing a cathode; and an ion exchange membrane separating the anode chamber and the cathode chamber. Also provided herein is a method of producing hydrogen, the method comprising: (i) feeding an anolyte comprising ammonia and alkali to an anode chamber housing an anode; and (ii) feeding an acid or alkali catholyte to a cathode chamber housing a cathode; wherein an ion exchange membrane separates the anode chamber and the cathode chamber. Further provided herein is hydrogen produced by the method disclosed herein.

A MEMBRANE ELECTRODE ASSEMBLY AND A METHOD FOR THE MANUFACTURE THEREOF

Resumen de: US20260312109A1

0000 There is provided a membrane electrode assembly (MEA) for an electrochemical devices, such as for fuel cells and electrolyzers, particularly for polymer electrolyte membrane (PEM) fuel cells, said membrane electrode assembly comprising a composite electrolyte membrane comprising a reinforced electrolyte layer comprising at least one porous support, the porous support being at least partially imbibed with a first ion exchange material; and a first electrode comprising a reinforced electrode layer comprising a porous support, the porous support being at least partially imbibed with a first catalyst and a second ion exchange material, wherein the composite electrolyte membrane is in contact with the first electrode. Also provided is a composite electrolyte membrane, which can be used in the manufacture of the membrane electrode assembly and a fuel cell and electrolyzer comprising such a membrane electrode assembly. A method for the manufacture of the membrane electrode assembly, and a membrane electrode assembly obtainable by such a method are also disclosed.

CO2 AND H2O CO-ELECTROLYSER SYSTEM

Resumen de: US20260308775A1

A water and carbon dioxide co-electrolyser system (1) comprising an anion exchange membrane (AEM) electrolyser (2) having at least one AEM electrolyser cell (2c) comprising a cathode (8), an anode (12) and an AEM membrane (16) separating the cathode from the anode, and an anolyte circuit (18) in which an anolyte flows connected to the anode (12) via an anolyte inlet (14i) and anolyte outlet (140) of the anode (12). The CO2 and H2G co-electrolyser system further comprises a mineralization system (3) including a mineralization unit (27) connected to the anolyte circuit (18) and containing a mineralization metal configured to react with the carbonate and bicarbonate ions circulating in the anolyte circuit (18) to form a metal carbonate.

PRIME LOCATION OF UNIPOLAR ELECTROLYSIS PLANTS ON THE ELECTRICITY GRID

Resumen de: US20260312101A1

An apparatus for generating electrical energy is disclosed. The apparatus comprises an electrolytic hydrogen generator configured to receive electricity from at least one renewable electricity generating source and produce hydrogen and oxygen from water. The apparatus also comprises a hydrogen storage unit configured to store hydrogen produced by the electrolytic hydrogen generator and a plurality of hydrogen fuel cells in fluid connection with the hydrogen storage unit and a source of oxygen or air, each hydrogen fuel cell configured to generate electricity from hydrogen supplied from the hydrogen storage unit and oxygen or air supplied from the source of oxygen or air.

NICKEL MOLYBDENUM CATALYSTS AND THEIR METHODS OF PREPARATION

Resumen de: US20260312078A1

The present invention relates to method for the synthesis of a transition metal catalyst consisting of electrodeposition on a substrate electrode from an electrolyte solution comprising at least one transition metal precursor, wherein the electrodeposition takes places at a deposition current density of 500 to 2000 mA/cm2. The present invention further relates to a transition metal catalyst characterised in that it is stable for at least 30 minutes at a current density of at least 400 A/cm2 on the substrate electrode.

Casing Structure Design for Electrolytic Cells

Resumen de: US20260308779A1

The present invention concerns composite casing structures for electrolytic cells wherein each casing structure is made of a plurality of casing components, optionally made of at least two different materials, which are subsequently joined together to form a structure suitable to house one or more of the following elements: electrodes, separators, bipolar elements, elastic elements and/or current collectors. The casing structure may be advantageously employed in electrolysers for high pressure alkaline water electrolysis.

A ZERO-EMISSION AND HIGH-EFFICIENCY, ON-DEMAND GENERATED OXYHYDROGEN BOILER

Resumen de: WO2026210551A1

A zero-emission and high-efficiency boiler using oxyhydrogen generated on demand through electrolysis of water, comprising a final boiler heat exchanger (33) traversed by boiler water comprising means for connection to hydraulic circuits of external user systems (35; 37), and an oxyhydrogen generator (1) comprising an electrolytic cell (3) comprising a plurality of electrically conductive plates arranged side by side in a row, mutually spaced, and a positive pole and a negative pole connected to two of the plates; at least one of these plates is affected by a groove that cuts one of its faces with or without passing through its entire thickness; and comprising burner-heat exchanger assemblies (27, 27') in connection with the oxyhydrogen generator (1) and the final boiler heat exchanger (33) and comprising direct-flame burners and heat exchangers comprising internal passages for the boiler water, arranged above the burners (FIG.1).

ELECTROLYSER MODULES AND STRUCTURAL PLATES FOR ELECTROLYSER MODULES

Resumen de: WO2026207635A1

An electrolyser module is provided comprising a plurality of stacked structural plates. Each structural plate has opposite end faces and an outer rim. Each structural plate defines a cell chamber opening and at least first and second degassing chamber openings extending though said structural plate between opposite end faces. The structural plates are stacked between opposite end pressure plates to form at least first and second degassing chambers and a series of cell chambers. The electrolyser module may further comprise at least one external reinforcing structure extending about the periphery of at least one of said structural plates to mechanically support said structural plates against stress induced by an internal pressure of said electrolyser module. Structural plates for electrolyser modules are also provided.

複極式電解槽用電解枠、アルカリ水電解槽及び水素の製造方法

Resumen de: JP2026161444A

【課題】本発明の目的は、高電流密度運転時の電解槽内圧の変動を抑制し、時間当たりの水素製造量が増加し、再生可能エネルギー等の変動電源への対応が可能な電解枠を提供することにある。【解決手段】本発明の複極式電解槽用電解枠は、陽極室及び陰極室と、前記陽極室と前記陰極室との間に設けられた隔壁と、電極室の上側に設けられ且つ前記電極室の上側の全長にわたって延びる気液分離室と、を備え、気液分離室が、吐出口と孔を有し、有孔底部壁と、仕切壁と、を備え、前記仕切壁は、前記有孔底部壁の有孔域の上に形成された第１通路Ａと、前記有孔底部壁の非有孔域の上に形成された第２通路Ｂとに、前記気液分離室を仕切っており、前記仕切壁は、前記気液分離室が延びる方向に前記一端に対して反対側にある端の近傍に隙間を有する、ことを特徴とする。【選択図】図４

CONTROL METHOD FOR ADJUSTING THE UTILISATION OF AN ELECTROLYSIS SYSTEM

Nº publicación: WO2026209255A1 08/10/2026

Solicitante:

SUNFIRE SE [DE]
SUNFIRE SE

Resumen de: WO2026209255A1

The present invention relates to a control method for adjusting the utilisation of an electrolysis system (1) by means of a central system controller (5), wherein the system controller (5) is designed such that at a time t0, a maximum available capacity Lplant of the electrolysis system (1) can be set, within the physical limits Lmin to Lmax of the electrolysis system (1), as a first target value for first discrete time periods of a time interval t1 to t2, and such that at time t0, the utilisation of the electrolysis system (1) Splant can be set within the maximum available capacity Lplant, as a second target value for second discrete time periods of a time interval ta to t2 wherein t2 > t1 ≥ t0, and wherein an electrical power or an amount of hydrogen is specified to the system controller (5) as the first and the second target value.