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MULTIPOWERED ELECTROLYSIS FACILITY

Resumen de: EP4818363A1

0001 A multipowered electrolysis facility (2) having a power balance unit (6) that receives incoming power from a power source (4) and manages electron flow (8) from the power source (4); a first electrolysis unit (10) that receives the managed electron flow (8) from the power balance unit (6), and is individually attuned and cooperatively integrated to operate at a first power range of 10-500 MW; a second electrolysis unit (12) that receives the managed electron flow (8) from the power balance unit (6), and is individually attuned and cooperatively integrated to operate at a second power range of 10-500 MW; a cooling/heating unit (20) operatively connected to the electrolysis units (10, 12) to provide coolant/heated flow from the cooling/heating unit (20) to the electrolysis units (10, 12) for efficient electrolysis within the electrolysis units (10, 12); and a fluid purification unit (30) operatively connected to the electrolysis units (10, 12) to provide purified fluid flow from the purification unit (30) to the electrolysis units (10, 12) for efficient electrolysis within the electrolysis units (10, 12), whereby the electrolysis units (10, 12) produce hydrogen (40) and oxygen (42) that each may be made use of, stored, transported, discarded or otherwise.

COMPONENTS FOR ELECTROLYTIC APPARATUS AND ELECTROLYTIC APPARATUS

Resumen de: EP4818371A1

0001 The present application provides for a component for an electrolytic apparatus, comprising: a stack formed by a first porous transmission layer, a first electrode layer, a membrane, a second electrode layer, and a second porous transmission layer stacked in sequence along a stacking direction; a seal disposed about the stack in a lateral direction perpendicular to the stacking direction; and a first electrode frame comprising a first retaining portion and a second electrode frame comprising a second retaining portion. The first and second retaining portions mate with each other to maintain the first and second electrode frames as an integral structure, such that the first and second electrode frames retain the stack and the seal therebetween. The first porous transmission layer is at least partially disposed in the opening of the first electrode frame. Aside edge of the first porous transmission layer and the interior wall of the opening mate with each other in a shape-locked manner such that the first porous transmission layer is retained by the first electrode frame. The present application also provides an electrolytic apparatus comprising the aforementioned component. The component and the electrolytic apparatus according to the present application are easy to manufacture, assemble, and maintain.

METHOD OF REGENERATION OF METAL BORATE TO METAL BOROHYDRIDE USING GASEOUS HYDROGEN AND MECHANICAL PROCESSING

Resumen de: EP4818113A1

The present invention relates to a method of regenerating a metal borate to the corresponding metal borohydride by mechanical processing of said metal borate with the addition of gaseous hydrogen. In addition, the present invention relates to a metal borohydride obtained, preferably directly obtained, by the method according to the invention.

A PROCESS OF NOX-FREE COMBUSTION OF NH3 FOR POWER PRODUCTION

Resumen de: WO2025114049A1

The present invention relates to a gaseous fuel composition comprising O2, N2, H2O, NH3, H2 and optionally further atmospheric components the molar content of H2 is denoted a, the molar content of NH3 is denoted b, the molar content of O2 is denoted c, the molar content of N2 is denoted d, and the molar content of H2O is denoted e, and (a + 1.5b – 2c) / (a + 2b + c + d + e) is in the range of 0 to 0.01, and a constitutes at least 3 mol% of the gaseous fuel composition. The gaseous fuel composition can be produced in a process of the invention and combusted in another process of the invention. The invention further includes a process set-up and a process of combustion of NH3. In the invention, NH3 is 15 combusted to form a flue gas stream virtually free of NOx.

洋上合成燃料製造設備

Resumen de: JP2026154649A

0001 【課題】海洋上の再生可能エネルギーを利用して、貯蔵や輸送が容易な合成燃料を製造するシステムを装備した海洋構造物を提供する 【解決手段】本発明の洋上合成燃料製造設備１は、洋上に浮かぶ浮体２に、水素を発生させる水電解システム３と二酸化炭素を空気中から直接回収する二酸化炭素回収システム４とを装備し、前記水電解システム３で得られた水素と前記二酸化炭素回収システム４で得られた二酸化炭素を原料として合成燃料を製造する合成燃料製造システム５を装備し、海洋上の再生可能エネルギーに由来する電力を電源とすることで合成燃料を製造する。 【選択図】図１

水素生成装置および水素生成方法

Resumen de: JP2026154548A

【課題】異常放電の発生を抑制する。【解決手段】水素生成装置は、第１の電極と第２の電極との間に設けられ、第１の電極と第２の電極との間に印加される電圧に応じて発生する放電により水素原子を含む原料ガスが分解される、放電室と、第２の電極に含まれる水素透過膜で囲まれ、原料ガスを分解することにより生成される水素が第２の電極を介して取り出される、水素収集室と、水素収集室に接続され、水素収集室からの水素のガスが流れる水素収集管と、を具備する。水素収集管は、放電を遮る誘電体を収容する。【選択図】図１

水素生成装置

Resumen de: JP2026154519A

【課題】異常放電の発生を抑制する。【解決手段】水素生成装置は、交流電圧を供給する電源および接地線の一方に接続された一対の第１の電極板と、一対の第１の電極板の間に設けられ、電源および接地線の他方に接続され、水素透過膜を含む一対の第２の電極板と、一対の第１の電極板と一対の第２の電極板との間に設けられ、第１の電極板と第２の電極板との間に印加される電圧に応じて発生する放電により水素原子を含む原料ガスが分解される一対の放電室と、一対の第２の電極板の間に設けられ、原料ガスを分解することにより生成される水素が第２の電極板を介して取り出される水素収集室と、一対の第１の電極板と一対の放電室との間に設けられた一対の誘電体板と、を有する平板型スタックを具備する。【選択図】図３

低水素透過性プロトン交換膜及びその製造方法と使用

Resumen de: US20260196544A1

0000 The present disclosure relates to the technical field of water electrolysis, in particular to a low-hydrogen-permeability proton exchange membrane as well as a preparation method and use thereof. The proton exchange membrane comprises a Pt-based additive layer and a substrate membrane, wherein the Pt-based additive layer consists of a Pt-based additive and a fluorinated proton exchange resin and comprises an array layer and a flat layer, with the thickness ratio and active components ratios of the array layer to the flat layer ranging from 1:(0.5-30) to 1:(1-50), and the array layer is composed of an orderly arranged arrays and an array layer resin wrapping the arrays. The low-hydrogen-permeability proton exchange membrane provided by the present disclosure has the Pt-based additive layer composed of the array layer and the flat layer.

水素製造システムに用いられる絶縁回路、及びそれを含む再生可能エネルギーによる水素製造システム

Resumen de: CN119727395A

The invention provides an isolation circuit for a hydrogen production system and a renewable energy hydrogen production system comprising the same, the isolation circuit comprises at least one DC conversion module and at least one DC-AC converter, and the DC conversion module comprises a single output port and a multi-output port; a single output port of the DC conversion module is coupled with the DC side of the DC-AC converter; a plurality of output ports of the DC conversion module are coupled with a plurality of external unidirectional power flow units and/or bidirectional power flow units, and the unidirectional power flow units at least comprise hydrogen production units; and the AC end of the DC-AC converter is coupled and connected with an external AC power grid or a DC power grid in series. According to the scheme, the application requirements of two coupling situations are met at the same time, various types of external units are effectively fused, all parts in the system are fused into a whole, the cost is reduced, and meanwhile positioning and maintenance of faults are facilitated.

SYSTEMS AND METHODS FOR GEOLOGIC HYDROGEN PRODUCTION

Resumen de: AU2025253291A1

Geologic hydrogen production and related systems and methods are generally described.

SELF-STANDING BI-FUNCTIONAL ELECTRODE FOR OVERALL WATER ELECTROLYSIS

Resumen de: US20260297773A1

0000 The present invention relates to ternary metal(s) hydroxide (M1-M2-Ni)(OH)<2> composite supported on nickel foam (NF) having nanoflower arrays structure, which acts as a self-standing bifunctional electrocatalyst for cathode as well as anode (both electrodes) for water electrolysis/splitting. Further, the present invention provides hydrothermal process for the preparation of said bi-functional electrocatalyst. The bifunctional catalyst disclosed herein is useful in performing water electrolysis reactions to generate hydrogen and oxygen.

COMBINED CORROSION MITIGATION AND HYDROGEN ISOTOPE EXTRACTION FROM MOLTEN SALTS

Resumen de: US20260301985A1

Disclosed are galvanic cells and methods for treating a molten salt by use of the galvanic cells. The galvanic cell can provide anti-corrosion treatment and improved corrosion resistance via electrochemical and chemical reactions involving a corrosive impurity in a molten salt. Reaction products of the chemical and electrochemical reactions include hydrogen gas that can carry hydrogen isotopes evolved in the molten salt. The system can also include removal of the hydrogen gas from the molten salt and separation and recovery of tritium contained therein.

ELECTRODE AND ALKALI WATER ELECTROLYTIC DEVICE INCLUDING SAME

Resumen de: US20260297769A1

0000 An electrode, including: a substrate that has a surface composed of at least one of nickel, nickel oxide, and nickel hydroxide; and scale-like protruding parts provided on the surface of the substrate.

MOLYBDENUM CARBIDE, COMPOSITE PRODUCT, CATALYST INK, METHOD FOR PRODUCING MOLYBDENUM CARBIDE, AND METHOD FOR PRODUCING COMPOSITE PRODUCT

Resumen de: US20260297771A1

Molybdenum carbide includes a Mo2C crystal structure, in which a content of carbon with respect to a total mass (100 mass %) of the molybdenum carbide is 6% or more.

DEHUMIDIFICATION APPARATUS, HYDROGEN PRODUCTION EQUIPMENT, AND METHOD FOR OPERATING DEHUMIDIFICATION APPARATUS

Resumen de: US20260295515A1

This dehumidification apparatus is for dehumidifying a hydrogen gas that is produced by a hydrogen production device, the dehumidification apparatus comprising: a dehumidifier that includes an adsorption tower, inside of which there is provided an adsorbent that is capable of adsorbing moisture contained in the hydrogen gas; an inlet line for introducing the hydrogen gas from the hydrogen production device into the dehumidifier; an inlet valve that is provided to the inlet line; an outlet line for discharging the hydrogen gas that is dehumidified by the dehumidifier out from the dehumidifier; an outlet valve that is provided to the outlet line; and a control device that is configured to adjust the opening degree of the inlet valve and the opening degree of the outlet valve on the basis of the pressure within the adsorption tower during activation of the dehumidification apparatus.

ELECTROLYTE MEMBRANE, CATALYST-COATED ELECTROLYTE MEMBRANE AND TRANSFER SHEET USED FOR PRODUCTION THEREOF, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, AND METHOD OF PRODUCING CATALYST-COATED ELECTROLYTE MEMBRANE

Resumen de: US20260297766A1

0000 An object of the present invention is to provide an electrolyte membrane having a good joining property with a catalyst layer. The present invention mainly relates to an electrolyte membrane including a layer (A) containing a polymer electrolyte, and a layer (B) existing on at least one face of the layer (A), wherein a particle concentration (Y1) in an interface region of the layer (B), on the layer (A) side, is higher than a particle concentration (Y2) in another interface region of the layer (B), on the opposite side to the layer (A). The particle concentration (Y1) and the particle concentration (Y2) are ratios of the mass of particles existing in the interface region to the total mass of solids existing in the interface region.

SEMICONDUCTOR CATALYST, CATALYST ELECTRODE, METHOD FOR PRODUCING REDUCED PRODUCT, AND DEVICE FOR PRODUCING REDUCED PRODUCT

Resumen de: US20260297772A1

A semiconductor catalyst is provided, which exhibits an effect of accelerating a reduction reaction by visible light irradiation and is excellent in durability. The semiconductor catalyst of the present disclosure includes thin film containing nitrogen-containing diamond particles in a plane direction and a height direction. The semiconductor catalyst can be produced by, for example, fixing, on a substrate having a positive or negative charge, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the nitrogen-containing diamond particles being opposite to that of the substrate, and laminating, on the fixed nitrogen-containing diamond particles, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the laminated nitrogen-containing diamond particles being opposite to that of the fixed nitrogen-containing diamond particles. The step of laminating is performed at least once after the step of fixing.

METHOD FOR CONTROLLING A PLANT CONTAINING A PLURALITY OF ELECTROLYSERS

Resumen de: US20260297776A1

A method for controlling a facility containing electrolysers that are fluidically in parallel, including controlling the electrolysers in such a way as to seek to increase the uniformity of the individual loads on the electrolysers in operation. As s a result, specific electrical consumption of the facility for a predetermined total production load or for an electrical power available to power the facility is provided.

METHOD AND PLANT FOR PRODUCING HYDROGEN

Resumen de: US20260297763A1

0000 A method for producing hydrogen, where feed water is subjected to electrolysis with a cathode gas being obtained, wherein the cathode gas contains hydrogen, oxygen and some of the feed water, wherein a process gas flow (102) is formed using at least some of the cathode gas, where the process gas flow contains at least some of the hydrogen, oxygen and feed water contained in the cathode gas, and where, in the process gas flow, at least some of the oxygen is subjected to an oxidative catalytic reaction with some of the hydrogen to form oxidation water, and where at least some of the feed water and the oxidation water in the process gas flow are removed from the process gas flow in a water removal process.

METHOD AND SYSTEM FOR STORING HYDROGEN

Resumen de: US20260298411A1

0000 A method for storing hydrogen in a plurality of subsea storages in a system. The system comprising an electrolyser source for producing hydrogen at a source pressure; a downstream compressor for compressing the hydrogen from the source pressure to a compressed higher pressure; and a plurality of storages, each for storing compressed hydrogen at the compressed higher pressure and each being subsea. The method comprising at least the steps of: producing hydrogen by the electrolyser source at the source pressure; passing the hydrogen to the plurality of storages through a bypass line around the compressor; and storing the hydrogen in at least one of the plurality of storages at a first pressure below the compressed higher pressure. A system for storing hydrogen in a plurality of subsea storages is also disclosed.

SYSTEMS AND METHODS OF AMMONIA SYNTHESIS

Resumen de: US20260297781A1

A system for synthesizing ammonia includes a reactor including an inlet portion, an outlet portion, and an energy source arranged to deliver energy to one or more reactants receivable through the inlet portion of the reactor, and the energy source activatable to reduce nitrogen to ammonia in the presence of hydrogen, at least one hydrogen pump in fluid communication with the outlet portion of the reactor, each hydrogen pump including at least one electrochemical cell, and a recirculation circuit in fluid communication between the at least one hydrogen pump and the inlet portion of the reactor and configured to direct a respective hydrogen stream from each hydrogen pump to the inlet portion of the reactor.

DEVICES, SYSTEMS, AND METHODS FOR THE ELECTROCHEMICAL GENERATION OF BASE/ACID AND DEIONIZATION OF SALINE WATER

Resumen de: US20260297762A1

0000 The disclosed technology relates to electrochemical systems and methods for the energy-efficient generation of base and acid solutions and deionization of saline waters. Various systems and methods include hydrogen pump cells, capacitive-faradaic hybrid cells, and/or zinc redox-based cells. These methods strategically utilize membranes, hydrogen evolution and oxidation reactions, charge storage materials, and redox-active metals to maximize energy efficiency for base and acid generation. Various embodiments enable simultaneous base/acid generation alongside energy storage/conversion, enabling continuous operation of an external device (e.g., a base/acid generating process) during periods of intermittency in renewable energy. Various implementations involve integration with carbon dioxide capture systems and other chemical systems and processes.

WATER ELECTROLYSIS SYSTEM

Resumen de: WO2026203789A1

This water electrolysis system (11) comprises: a water electrolysis device (15) provided with a plurality of electrolysis tanks (13) which are connected at least in series to a power converter (21) and in which water electrolysis is performed; and a conductive shielding body (17) which accommodates the water electrolysis device (15) in an internal space so as to surround the water electrolysis device (15). A shield body potential (Vsh), which is a potential pertaining to the shield body (17), is set to converge, in a state of being insulated from a ground potential, to a prescribed allowable potential difference (Vpd) with respect to a water electrolysis device potential (Vwe) that is a potential pertaining to the water electrolysis device (15). The present invention secures a reduction effect of an explosion event caused by leaked hydrogen regardless of a leakage place of hydrogen.

SEPARATOR FOR WATER ELECTROLYSIS, MATERIAL FOR SEPARATOR FOR WATER ELECTROLYSIS, AND POLYMER

Resumen de: WO2026204899A1

Provided are: a separator for water electrolysis, the separator being composed of a film that contains a polymer having at least one constitutional unit selected from a constitutional unit represented by general formula (A) and a constitutional unit represented by general formula (B); and a material and a polymer for a separator for water electrolysis, which are suitable for the formation of the separator for water electrolysis. In the formulae, L groups each independently represent a C1-20 alkylene group, X groups each independently represent a hydrogen atom, Li, Na, K, or Cs.

ION EXCHANGE MEMBRANE, ALKALINE WATER ELECTROLYSIS DEVICE, AND METHOD FOR PRODUCING ION EXCHANGE MEMBRANE

Nº publicación: WO2026205559A1 01/10/2026

Solicitante:

ASAHI KASEI KK [JP]
\u65ED\u5316\u6210\u682A\u5F0F\u4F1A\u793E

Resumen de: WO2026205559A1

According to the present invention, it is possible to provide an alkaline water electrolysis device and ion exchange membrane for alkaline water electrolysis enabling the electrolysis voltage to be kept low even at high current densities during alkaline water electrolysis, and having gas blocking properties that inhibit intermixing between hydrogen gas and oxygen gas generated, even at a low current density. The present invention provides an ion exchange membrane including a fluoropolymer having an ion exchange group and a woven fabric containing a polymer having a hydrogen permeability coefficient within a predetermined range. The weight of the fluoropolymer per unit area of the ion exchange membrane, the volumetric fraction of the polymer constituting the woven fabric in the ion exchange membrane, and the ion exchange capacity of the fluoropolymer are within predetermined ranges.