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Hidrógeno electrolítico

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LastUpdate Última actualización 11/02/2026 [07:12:00]
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Publicaciones de solicitudes de patente de los últimos 60 días/Applications published in the last 60 days
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A METHOD OF FORMING A HIGH-ENTROPY OXIDE NANOSTRUCTURE

NºPublicación:  WO2026029709A1 05/02/2026
Solicitante: 
NANYANG TECHNOLOGICAL UNIV [SG]
NANYANG TECHNOLOGICAL UNIVERSITY
WO_2026029709_PA

Resumen de: WO2026029709A1

The present disclosure broadly relates to a method of preparing a supported high-entropy oxide nanostructure The method may comprise the step of: irradiating, with a laser, a substrate coated with a hydrogel to form the high-entropy oxide nanostructure, wherein the hydrogel comprises at least five metal salts, a cross-linking agent, a carbonaceous substance and water to form a high-entropy oxide nanostructure. There is also disclosed herein a high- entropy oxide nanostructure produced by the method as well as the use of the high-entropy oxide nanostructure for forming hydrogen.

HYDROGEN BOILER AND MANAGEMENT DEVICE

NºPublicación:  WO2026028848A1 05/02/2026
Solicitante: 
MIURA CO LTD [JP]
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WO_2026028848_PA

Resumen de: WO2026028848A1

In a hydrogen boiler (3), hydrogen gas and oxygen gas supplied from a water electrolysis device (2), which generates the hydrogen gas and the oxygen gas by electrolyzing water, are combusted in a combustion chamber of the hydrogen boiler (3), and a water pipe of the hydrogen boiler (3) is heated, thus generating water vapor.

THIN CELL FRAME WITH OPEN CHANNELS FOR A HYDROGEN ELECTROLYZER, STACK OF SUCH CELL FRAME, AND ELECTROLYZER COMPRISING SUCH STACK

NºPublicación:  EP4686773A1 04/02/2026
Solicitante: 
JOHN COCKERILL HYDROGEN FRANCE [FR]
John Cockerill Hydrogen France
EP_4686773_PA

Resumen de: EP4686773A1

A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub>, Out<sub>2</sub>), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).

METODO DE PRODUCCION DE GAS Y APARATO DE PRODUCCION DE GAS

NºPublicación:  ES3054611A2 04/02/2026
Solicitante: 
TOKUYAMA CORP [JP]
TOKUYAMA CORPORATION
TW_202503114_A

Resumen de: TW202503114A

Provided are a gas production method and a gas production apparatus that are capable of preventing the composition of generated gas in a gas phase part of each circulation tank from reaching a flammability limit to reduce a bad effect of a remaining dissolved gas in electrolyte on gas purity even when an electrolyte exchange is carried out between an anode side circulation tank and a cathode side circulation tank. In the gas production method of producing oxygen gas and hydrogen gas by electrolyzing electrolyte which is alkaline water by means of an electrolysis vessel, the electrolyte is depressurized when an electrolyte on the anode side and an electrolyte on the cathode side are exchanged.

GREEN METHANOL PROCESS AND PLANT

NºPublicación:  EP4686717A1 04/02/2026
Solicitante: 
CASALE SA [CH]
CASALE SA
EP_4686717_PA

Resumen de: EP4686717A1

A process or plant for the synthesis of methanol (MeOH). The process comprises:(a) passing a water-containing stream (3) through an electrolysis unit (4) to produce a cathode-side stream (5) comprising hydrogen (H<sub>2</sub>) and an anode-side stream (6) comprising oxygen (O<sub>2</sub>);(b) heat-exchanging said cathode-side stream (5) and optionally said anode-side stream (6) in one or more indirect heat exchanger(s) (7, 8, 32, 33) to obtain a cathode-side heat-exchanged stream (9) and optionally an anode-side heat-exchanged stream (10);(c) condensing said cathode-side heat-exchanged stream (9) to separate a liquid condensate product (11) and a syngas (12);said cathode-side stream (5) and/or said syngas (12) comprise carbon dioxide (CO<sub>2</sub>) and optional carbon monoxide (CO) added through a separate stream (2);(d) compressing said syngas (12) and then feeding compressed syngas (13) to a MeOH synthesis loop (14) wherein catalytic conversion of said compressed syngas (13) into MeOH is carried out under methanol synthesis conditions, thus obtaining a crude methanol stream (15);(e) distilling said crude methanol stream (15) in one or more distillation column(s) (16, 17) to give a refined MeOH product (22);wherein said one or more indirect heat exchanger(s) (7, 8, 32, 33) provide a heat input to said one or more distillation column(s) (16, 17), and/or to said MeOH synthesis loop (14), and/or to said electrolysis unit (4).

THIN CELL FRAME FOR A HYDROGEN ELECTROLYZER, STACK OF SUCH CELL FRAME, AND ELECTROLYZER COMPRISING SUCH STACK

NºPublicación:  EP4686774A1 04/02/2026
Solicitante: 
JOHN COCKERILL HYDROGEN FRANCE [FR]
John Cockerill Hydrogen France
EP_4686774_PA

Resumen de: EP4686774A1

A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In<sub>2</sub> , Out<sub>2</sub> ), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).

一种底盖组件及一体式水箱

NºPublicación:  CN121445261A 03/02/2026
Solicitante: 
帝舍智能科技(武汉)有限公司
CN_121445261_PA

Resumen de: CN116491864A

The invention is applicable to the technical field of cleaning appliances, and discloses a bottom cover assembly, which seals the bottom of an integrated water tank comprising a clear water tank and a sewage tank, and comprises: an electricity taking access device for connecting a water electrolysis module arranged in the clear water tank to an external power supply interface of the water tank; the upper surface of the bottom cover middle frame seals the clear water tank and/or the sewage tank, the lower surface of the bottom cover middle frame defines a wiring cavity used for connection of the electricity taking access device, the lower surface of the bottom cover middle frame is provided with a bearing ring rib used for supporting the weight of the integrated water tank, and the electricity taking access device is installed on the upper surface or the lower surface of the bottom cover middle frame. The invention further discloses the integrated water tank comprising the bottom cover assembly. The electricity taking access device arranged on the bottom cover assembly and used for taking electricity from the water electrolysis module is far away from the clear water outlet, so that the short circuit of the electricity taking access device caused by water leakage is avoided; the bottom cover assembly not only ensures complete insulation and isolation of the water tank and the electricity taking electrode of the water electrolysis module, but also ensures continuous maintainabi

海水分解による水素生成方法、水素生成装置および水素生成装置の製造方法

NºPublicación:  JP2026504223A 03/02/2026
Solicitante: 
ザリージェンツオブザユニヴァシティオブミシガン
JP_2026504223_PA

Resumen de: AU2023408768A1

A method of hydrogen production includes providing a solution and immersing a device in the solution. The device includes a substrate having a surface, an array of conductive projections supported by the substrate and extending outward from the surface of the substrate, and a plurality of catalyst nanoparticles disposed over the array of conductive projections. The solution includes dissolved sodium chloride (NaCl).

電気化学セルスタック

NºPublicación:  JP2026504204A 03/02/2026
Solicitante: 
シェフラーテクノロジーズアー・ゲーウントコー.カー・ゲー
JP_2026504204_PA

Resumen de: CN120659909A

An electrochemical cell stack (1) comprising a plurality of cells (2) separated from one another by bipolar plates (5, 5 '), where each cell (2) is formed by two half-cells (3, 4) between which a membrane (6) surrounded by a support frame (7) is arranged, and where a porous transport layer (10, 11) is present in each half-cell (3, 4). The support frame (7) describes a step shape having two adjacent cross-sectional areas (12, 13), in which the edge (18) of the membrane (6) lies in a step (17) formed by the cross-sectional areas (12, 13) and the porous transport layer (10) of the half-cell (3) extends into the step (17), and in which the porous transport layer (10) of the half-cell (3) extends into the step (17). According to the invention, the support frame (7) comprises at least one sealing arrangement (15) injection molded onto the support frame (7) and comprising an electrically insulating sealing material, according to the invention, the sealing arrangement (15) comprises three sealing regions (19, 20, 21), each having at least one sealing lip (22, 22 '), in particular a first sealing region (19) and a second sealing region (20) and a third sealing region (21), which are assigned to narrower regions of the two cross-sectional regions (12, 13) facing the membrane (6), the first sealing region and the second sealing region each contact exactly one bipolar plate (5, 5 '), and the third sealing region is located on a side of the support frame (7) facing away from the step (17)

様々な金属の水酸化物および酸化物ならびにそれらの誘導体の調製プロセス

NºPublicación:  JP2026016362A 03/02/2026
Solicitante: 
ネマスカリチウムインコーポレーテッド
JP_2026016362_PA

Resumen de: US2024294395A1

A process for preparing metal oxide comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum. The process comprising:reacting a metal sulfate comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum with lithium hydroxide and optionally a chelating agent to obtain a solid comprising a metal hydroxide comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum, and a liquid comprising lithium sulfate, the metal sulfate comprising (i) at least one metal chosen from nickel and cobalt and optionally (ii) at least one metal chosen from manganese, lithium and aluminum;separating the liquid and the solid from one another to obtain the metal hydroxide;submitting the liquid comprising lithium sulfate to an electromembrane process for converting the lithium sulfate into lithium hydroxide; andreusing at least a first portion of said lithium hydroxide obtained by the electromembrane process for reacting with the metal sulfate;reacting at least a second portion of said lithium hydroxide obtained by the electromembrane process with the obtained metal hydroxide to obtain a mixture of metal hydroxides; androasting said mixture of metal hydroxides to obtain the metal oxide.

水反応性アルミニウム組成物を製造するための室温固体金属合金

NºPublicación:  JP2026504113A 03/02/2026
Solicitante: 
ファウンドエナジーカンパニー
JP_2026504113_PA

Resumen de: CN120677016A

Provided herein are water-reactive aluminum compositions comprising aluminum or an alloy thereof and an activating metal alloy (e.g., a non-eutectic activating metal alloy comprising bismuth, tin, indium, and gallium; or an activating metal alloy comprising bismuth, tin and indium). Some water-reactive aluminum compositions provided herein are free of gallium. Also provided herein are methods of activating aluminum to provide a water-reactive aluminum composition. Also provided are fuel mixtures comprising the water-reactive aluminum composition described herein and a water-reactive aluminum composition having an increased gallium content; and methods of providing hydrogen and/or steam using the water-reactive aluminum compositions described herein.

用于电解器的能量供应设备、电解设备和用于控制能量供应设备的方法

NºPublicación:  CN121444330A 30/01/2026
Solicitante: 
茵梦达有限公司
CN_121444330_PA

Resumen de: WO2025002651A1

The invention relates to an energy supply device (1) for an electrolyzer (10). The energy supply device (1) has an input circuit (2) and a transformer (3). The input circuit (2) is designed to be connected to an energy source (4) or an energy supply network. In order to improve the energy supply device (1), the input circuit (2) is additionally designed to provide at least two different electric potentials at contacts (5), and the converter (3) is electrically connected to at least one of the contacts (5) on the input side by means of a respective conductor (6). The energy supply device (1) is designed to change the contact (5) connected to the converter (3) by reconnecting at least one conductor (6) of the energy supply device (1). The invention additionally relates to an electrolysis device comprising such an energy supply device (1) and an electrolyzer (10) and to a method for controlling such an energy supply device (1) or such an electrolysis device (100), wherein the converter (3) is operated using a voltage level produced by the input circuit, and at least one conductor (6) of the energy supply device (1) is manually reconnected from a first contact of the contacts (5) to a second contact of the contacts (5) in order to change the voltage level.

液体供給流から水素と酸素を発生する方法

NºPublicación:  JP2026503763A 29/01/2026
Solicitante: 
ペトロリアムナショナルブルハド(ペトロナス)
JP_2026503763_A

Resumen de: CN121039323A

A method of generating hydrogen and oxygen from a liquid feed stream by an integrated system of forward osmosis and electrolysis is disclosed wherein the method comprises the steps of feeding water into an electrolyte solution by means of forward osmosis and applying a voltage across the electrolyte solution to generate hydrogen and oxygen, characterized in that the electrolyte solution comprises an electrolyte, an ionic liquid and a solvent wherein the electrolyte is used in an amount ranging from 1 wt% to 10 wt% of the electrolyte solution and wherein the ionic liquid is used in an amount ranging from 1 wt% to 5 wt% of the electrolyte solution, and wherein the solvent is used in an amount ranging between 75 wt% and 99 wt% of the electrolyte solution.

電解質溶液及びその製造方法

NºPublicación:  JP2026503762A 29/01/2026
Solicitante: 
ペトロリアムナショナルブルハド(ペトロナス)
JP_2026503762_A

Resumen de: CN120981608A

Disclosed is an electrolyte solution comprising an electrolyte, where the electrolyte is used in an amount ranging between 1 wt% and 10 wt% of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt% and 5 wt% of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt% and 99 wt% of the electrolyte solution.

電解槽システムおよび電極製造方法

NºPublicación:  JP2026503607A 29/01/2026
Solicitante: 
サングリーンエイチ2プライベートリミテッド
JP_2026503607_PA

Resumen de: AU2024213038A1

An electrolyser system and method of electrode manufacture. The electrolyser system may comprise a first vessel in communication with an electrolyser stack, a power supply, an electrode, a separator, a membrane, and a second vessel in communication with the electrolyser stack. The electrode may comprise a catalytic material and a micro- porous and/or nano-porous structure. The method of electrode manufacture may comprise providing a substrate, contacting the substrate with an acidic solution, applying an electric current to the substrate, simultaneously depositing a main material and supporting material comprising a scarifying material onto the substrate, and leaching the scarifying material.

GAS SUPPLY SYSTEM FOR LNG DUAL-FUEL MAIN ENGINE, AND LNG DUAL-FUEL POWERED SHIP

NºPublicación:  WO2026020744A1 29/01/2026
Solicitante: 
SUNRUI MARINE ENV ENGINEERING CO LTD [CN]
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WO_2026020744_PA

Resumen de: WO2026020744A1

A gas supply system for an LNG dual-fuel main engine, and an LNG dual-fuel powered ship. The gas supply system comprises an LNG supply unit (10), a dual-fuel main engine (20), an electrolytic hydrogen production unit (30), an exhaust gas recirculation unit (40), and a cold and heat circulation unit (50). The LNG supply unit (10) comprises an LNG storage tank (11), a submersible pump (12), an LNG heat exchanger (13) and a buffer tank (14). The electrolytic hydrogen production unit (30) comprises a pure water unit (31), a pure water heat exchanger (32), an electrolytic cell (33), a hydrogen storage tank (34), and an oxygen storage tank (35). The exhaust gas recirculation unit (40) comprises a flue gas heat exchanger (41). The cold and heat circulation unit (50) comprises an expansion water tank (51) and a circulation pump (52).

PROCESS AND MEMBRANE

NºPublicación:  US20260031366A1 29/01/2026
Solicitante: 
JOHNSON MATTHEY HYDROGEN TECH LIMITED [GB]
JOHNSON MATTHEY HYDROGEN TECHNOLOGIES LIMITED
US_20260031366_PA

Resumen de: US20260031366A1

A process for producing an ion-conducting membrane comprising a recombination catalyst-containing membrane layer. The membrane layer if fabricated from an ink comprising a stabilised dispersion of recombination catalyst nanoparticles. Also provided are ion-conducting membranes for electrochemical devices, such as fuel cells or water electrolysers, with a recombination catalyst-containing membrane layer comprising dispersed recombination catalyst nanoparticles, a nanoparticle stabilising agent, and an ion-conducting polymer.

METHOD AND SYSTEM FOR STORING GRID ELECTRICITY AND DISPENSING THE STORED ELECTRICITY ON DEMAND

NºPublicación:  US20260031377A1 29/01/2026
Solicitante: 
EPRO ADVANCE TECH LIMITED [HK]
Epro Advance Technology Limited
US_20260031377_PA

Resumen de: US20260031377A1

The present invention relates to a method of supplying electricity to an electrical load including steps of providing an alkaline solution, reacting the alkaline solution with silicon so as to produce hydrogen. processing the hydrogen in a fuel cell to generate electricity, and supplying the electricity from an output of the fuel cell to the electrical load via a suitable electrical interfacing module.

SYSTEMS AND METHODS FOR SUPPLYING GASEOUS AMMONIA TO SERIALLY-CONNECTED AMMONIA CRACKING UNITS

NºPublicación:  US20260028949A1 29/01/2026
Solicitante: 
FIRST AMMONIA MOTORS INC [US]
First Ammonia Motors, Inc
US_20260028949_PA

Resumen de: US20260028949A1

The present invention relates, in general, to systems and methods for generating hydrogen from ammonia on-board vehicles, where the produced hydrogen is used as a fuel source for an internal combustion engine. The invention provides an expansion valve configured to maintain ammonia in a gaseous state prior to introduction into a cracking system that comprises a heat-exchange cracking unit and electric cracking unit coupled in series which enables reliable hydrogen generation under varying engine operating conditions.

ELECTROLYSIS ENERGY RECOVERY

NºPublicación:  US20260028934A1 29/01/2026
Solicitante: 
RTX CORP [US]
RTX Corporation
US_20260028934_PA

Resumen de: US20260028934A1

An energy supply system includes an electrolysis system to perform electrolysis on a first source of water, and break the water into hydrogen and oxygen components. The hydrogen and oxygen components are supplied to a power generation system. The power generation system includes a combustor receiving the hydrogen and oxygen components and is operable to combust the hydrogen and oxygen components. The combustor also receives a source of steam. Products of combustion downstream of the combustor pass over a top turbine rotor, driving the top turbine rotor to rotate. A first generator generates electricity from the rotation of the top turbine rotor.

METHOD FOR HEATING A FURNACE

NºPublicación:  US20260029198A1 29/01/2026
Solicitante: 
ARCELORMITTAL [LU]
ArcelorMittal
US_20260029198_PA

Resumen de: US20260029198A1

A method for heating a furnace including radiant tubes and being able to thermally treat a running steel strip including the steps of: i. supplying at least one of the radiant tubes with H2 and O2 such that the H2 and the O2 get combined into heat and steam, ii. recovering the steam from the at least one of the radiant tubes, iii. electrolysing the steam to produce H2 and O2, and iv. supplying at least one of the radiant tubes with the H2 and O2 produced in step iii, such that they get combined into heat and steam.

Electrolyzer Systems and Operation Thereof

NºPublicación:  US20260028730A1 29/01/2026
Solicitante: 
CAPELLA PARTNERS LLC [US]
Capella Partners, LLC
US_20260028730_PA

Resumen de: US20260028730A1

Conventional control schemes for electrolyzers focus on maximizing electrical efficiency, which describes the relationship between the electrical energy consumed and the gas produced by the electrolyzer. However, the cost associated with high electrical efficiency may be unnecessarily expensive. In one embodiment presented herein, a model is used to determine the cost (or profit) associated with a gas produced by the electrolyzer at each of a plurality of operating conditions. The control system can select the operating condition to use based on which operating condition is associated with the lowest cost (or highest profit), even though that operating condition may not be associated with the highest electrical efficiency.

METHODS AND SYSTEMS FOR POWER-TO-FUEL APPLICATIONS USING TAIL GAS FROM FUEL SYNTHESIS AND/OR METHANE IN HIGH TEMPERATURE ELECTROLYZER

NºPublicación:  US20260028737A1 29/01/2026
Solicitante: 
CHEVRON U S A INC [US]
Chevron U.S.A. Inc
US_20260028737_PA

Resumen de: US20260028737A1

A continuous method includes passing a first steam feed stream to a cathode of an electrolyzer including the cathode, an anode and an electrolyte inserted between the cathode and the anode, thereby producing a cathode effluent including hydrogen, passing a second steam feed stream and one or more of a recycled tail gas stream from a reactor unit and a methane-rich feed stream to the anode of the electrolyzer, wherein the one or more of the recycled tail gas stream and the methane-rich feed stream are utilized as fuel for producing the cathode effluent including hydrogen, and passing the cathode effluent including g hydrogen and a carbon dioxide feed stream to the reactor unit, thereby producing a chemical product or a fuel-based product.

METHODS AND SYSTEMS FOR ACCELERATING BRINE POND EVAPORATION USING WASTE HEAT

NºPublicación:  US20260028728A1 29/01/2026
Solicitante: 
CHEVRON U S A INC [US]
Chevron U.S.A. Inc
US_20260028728_PA

Resumen de: US20260028728A1

The present application relates generally to methods and systems for accelerating the evaporation of brine pond water. In one embodiment the application pertains to an integrated process for producing hydrogen wherein waste heat evaporates the brine water. The process comprises producing hydrogen and heat from water using an electrolyzer and then heating a heat transfer fluid with the heat from the electrolyzer. The heated heat transfer fluid is pumped to a heat exchanger where it heats a brine solution from the brine pond to increase its evaporation.

Method for Use in Controlling Operation of a Hydrogen Production Plant

Nº publicación: US20260028734A1 29/01/2026

Solicitante:

ABB SCHWEIZ AG [CH]
ABB Schweiz AG

US_20260028734_PA

Resumen de: US20260028734A1

A method for use in controlling operation of a hydrogen production plant includes determining a maximum available amount of energy of a predetermined energy category in a current time interval; determining a target minimum amount of the energy of the predetermined energy category to be used for hydrogen production in the current time interval; and determining hydrogen setpoints for the current time interval using the maximum available amount and the target minimum amount as constraints.

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