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Hidrogen electrolític

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LastUpdate Última actualización 17/04/2026 [07:04:00]
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INTEGRATED SYSTEM FOR DEMINERALIZATION AND/OR PURIFICATION OF WATER AND FOR SIMULTANEOUS PRODUCTION OF HYDROGEN

NºPublicación:  AU2024352660A1 16/04/2026
Solicitante: 
GREEN INDEPENDENCE S R L
POLITECNICO DI TORINO
AU_2024352660_PA

Resumen de: AU2024352660A1

The present invention relates to an integrated system for demineralization and/or purification of water and for the simultaneous production of hydrogen comprising a heat-dissipating element thermally connected to a system for demineralization and/or purification of water which is hydraulically connected to an electrochemical cell producing hydrogen, wherein the system for demineralization and/or purification of water is a system operating through the principle of thermal distillation via membrane and comprises at least two units, each comprising a first chamber, inside which waste water to be demineralized and/or purified flows under pressure and a second chamber, inside which demineralized and/or purified water flows under pressure in the opposite direction with respect to the direction of flow of the waste water, the two chambers being separated by a preferably microporous hydrophobic membrane, wherein the at least two units are placed thermally in series and hydraulically in parallel with continuous flow, wherein each unit is hydraulically connected to a source of waste water and a source of demineralized and/or purified water, in particular wherein each first chamber comprises an inlet portion, hydraulically connected to the source of waste water, for introduction into the first chamber of waste water, while each second chamber comprises an inlet portion, hydraulically connected to the source of demineralized and/or purified water, for introduction into the second chamber

METHOD FOR OPERATING WATER ELECTROLYSIS APPARATUS, CONTROL DEVICE FOR WATER ELECTROLYSIS APPARATUS, AND HYDROGEN PRODUCTION FACILITY

NºPublicación:  AU2025228315A1 16/04/2026
Solicitante: 
MITSUBISHI HEAVY INDUSTRIES LTD
AU_2025228315_PA

Resumen de: AU2025228315A1

A method for operating a water electrolysis apparatus that comprises an electrolytic bath for electrolyzing water, a hydrogen separator to which hydrogen generated in the electrolytic bath is guided, an oxygen separator to which oxygen generated in the electrolytic bath is guided, and a vent line for discharging gas from the hydrogen separator or the oxygen separator and a vent valve provided to the vent line, the method comprising: a step for halting electrolysis of water in the electrolytic bath; and a step for determining whether or not a first index indicating the amount of increase in the concentration of oxygen in gas in the hydrogen separator or the concentration of hydrogen in gas in the oxygen separator has exceeded a first threshold after the electrolysis has been halted. When the first index exceeds the first threshold, the pressure in the hydrogen separator or the oxygen separator is lowered to a first prescribed value by opening the vent valve.

OPERATION METHOD FOR DEHUMIDIFIER DEVICE, CONTROL DEVICE FOR DEHUMIDIFIER DEVICE, DEHUMIDIFIER DEVICE, AND HYDROGEN PRODUCTION FACILITY

NºPublicación:  AU2024418733A1 16/04/2026
Solicitante: 
MITSUBISHI HEAVY INDUSTRIES LTD
AU_2024418733_PA

Resumen de: AU2024418733A1

Provided is an operation method for a dehumidifier device for dehumidifying hydrogen gas produced by a hydrogen production device. The dehumidifier device comprises; a dehumidifier; a discharge line for discharging hydrogen gas dehumidified by the dehumidifier from the dehumidifier; a dew point measurement line connected to the discharge line; a dew point meter provided on the dew point measurement line; and an inlet valve and an outlet valve provided on opposite sides of the dew point meter on the dew point measurement line. The method includes: a stop step of stopping discharge of the hydrogen gas from the dehumidifier to the discharge line; and a maintenance step of maintaining a state in which a dew point meter installation part including at least a installation place of the dew point meter on the dew point measurement line is filled with dry gas when the discharge of the hydrogen gas from the dehumidifier to the discharge line is stopped.

METHOD AND SYSTEM FOR PRODUCING HYDROGEN AND/OR OXYGEN

NºPublicación:  EP4724630A1 15/04/2026
Solicitante: 
LINDE GMBH [DE]
EP_4477783_PA

Resumen de: EP4477783A1

0001 Es wird ein Verfahren (100) zur Herstellung von Wasserstoff und/oder Sauerstoff durch Elektrolyse vorgeschlagen, bei dem eine Elektrolyseeinheit (10) mit Gleichstrom (2) gespeist wird, der unter Verwendung eines Gleichrichters (20) aus Wechselstrom (1) bereitgestellt wird, wobei die Elektrolyseeinheit (10) unter Verwendung eines Wasserkreislaufs (110) mit Wasser gespeist wird. Es ist vorgesehen, dass der Gleichrichter (20) unter Verwendung von Kühlwasser gekühlt wird, das unter Verwendung eines Teilstroms (5) von in dem Wasserkreislauf (110) geführtem und/oder dem Wasserkreislauf zugeführtem Wasser bereitgestellt wird. Eine entsprechende Anlage ist ebenfalls Gegenstand der vorliegenden Erfindung.

PROCESS FOR THE PREPARATION OF METHANOL

NºPublicación:  EP4724631A1 15/04/2026
Solicitante: 
TOPSOE AS [DK]

BALANCING CONTROL OF HYDROGEN PLANT

NºPublicación:  EP4726947A1 15/04/2026
Solicitante: 
HITACHI ENERGY LTD [CH]
EP_4726947_PA

Resumen de: EP4726947A1

Green-hydrogen plants, connected to weak power grids in geographically remote areas, are prone to frequency fluctuations and instability due to the variability in renewable-energy generation. Disclosed embodiments provide balancing control within the green-hydrogen plant to provide both fast frequency response during contingency conditions and automatic frequency regulation during normal conditions. The fast frequency response may be centralized or distributed, and may combine frequency droop response with fast frequency response or synthetic inertial response. The automatic frequency regulation may determine optimal allocations of a total net power adjustment, which compensates a balance control error in the system, to a plurality of different power resources of the green-hydrogen plant. These power resources may comprise electrolyzer plant(s), renewable energy source(s), and/or energy storage system(s).

CATALYSTS FOR ELECTROLYSIS

NºPublicación:  EP4726075A1 15/04/2026
Solicitante: 
SHELL INT RESEARCH [NL]
EP_4726075_PA

Resumen de: EP4726075A1

0001 The invention provides an anode catalyst for electrolysis, in particular for (PEM)-based water electrolysis. The catalyst is a ruthenium oxide catalyst doped with one or more metals, having the general formula RuM<1-a>O, wherein: M is one or more metal dopant; a is a number from 0.5 to 0.85; and O indicates an oxide of any possible ratio relative to the ruthenium and metal dopants.

ELECTROLYTIC CELL AND METHOD FOR OBTAINING A CERAMIC ELECTRODE

NºPublicación:  EP4726079A1 15/04/2026
Solicitante: 
LICITAR ANTONIJO [HR]
SIMA MARC [ES]
EP_4726079_PA

Resumen de: EP4726079A1

The present disclosure relates to methods for obtaining ceramic electrodes. The methods comprise providing a porous ceramic matrix comprising an inner matrix extending between a first outer surface and a second outer surface, and forming a cathode assembly, wherein the cathode assembly comprises a first electrode and the porous ceramic matrix, and wherein the assembly is formed contacting the first electrode at least with a portion of the second outer surface. The method further comprises providing a second electrode, immersing the cathode assembly and the second electrode in an electrolyte solution, and electroplating the ceramic matrix, wherein electroplating comprises applying an electric potential to the first and second electrodes, wherein the second electrode is an anode, such that cations in the electrolyte solution pass through the first outer surface and the inner matrix and deposit onto the portion of the second outer surface contacting the cathode. The method further comprises applying an electric potential to the ceramic matrix.

化学合成设备

NºPublicación:  CN121847002A 14/04/2026
Solicitante: 
托普索公司
CN_121847002_PA

Resumen de: WO2020207926A1

A plant, such as a hydrocarbon plant, is provided, which consists of a syngas stage for syngas generation and a synthesis stage where said syngas is synthesized to produce syngas derived product, such as hydrocarbon product. The plant makes effective use of various streams; in particular CO2 and H2. A method for producing a product stream, such as a hydrocarbon product stream is also provided.

用含钌的负载型催化剂产生氢气的方法

NºPublicación:  CN121866225A 14/04/2026
Solicitante: 
贺利氏贵金属有限两合公司
CN_121866225_PA

Resumen de: EP4524099A1

Die vorliegende Erfindung betrifft ein Verfahren zur Herstellung von Wasserstoff aus einem Ammoniak-haltigem Gas mit einem Trägerkatalysator in Form eines mit Ruthenium-ausgestatteten Trägerkörpers, sowie die Verwendung eines solchen Ruthenium-haltigen Trägerkatalysators in einem Verfahren zur Herstellung von Wasserstoff. Das Verfahren umfasst das Bereitstellen eines Trägerkatalysators in Form eines mit Ruthenium-ausgestatteten Trägerkörpers, wobei der Trägerkörper als Trägermaterial ein refraktäres Oxid umfasst, zylinderförmig ist und mindestens drei voneinander beabstandete Kanäle aufweist, die sich vollständig durch den Trägerkörper erstrecken, wobei einer der Kanäle sich entlang einer zentralen Längsachse erstreckt.

水電解システム

NºPublicación:  JP2026063327A 10/04/2026
Solicitante: 
トヨタ自動車株式会社
JP_2026063327_A

Resumen de: EP4403671A1

Provided is a water electrolysis system (10) that obtains hydrogen by water electrolysis with a water electrolysis cell (13), the water electrolysis system (10) including a water electrolysis stack (12) having a plurality of the water electrolysis cells (13), a water supply side passage (30) that supplies water to the water electrolysis stack (12), a hydrogen side passage (40) that discharges the hydrogen obtained in the water electrolysis stack (12) from the water electrolysis stack (12), a plurality of voltage sensors (22a) that measures voltages for the respective water electrolysis cells (13) or for each group of the water electrolysis cells (13), and a control device (23) configured to acquire a voltage from each of the voltage sensors (22a), determine whether the voltage is lower than a predetermined value and notify the water electrolysis cell (13) has a failure when it is determined that the voltage is lower than a predetermined value .

極性を反転可能な電極およびその使用

NºPublicación:  JP2026062867A 10/04/2026
Solicitante: 
マグネトスペシャルアノードス(スーチョウ)カンパニーリミテッド
JP_2026062867_A

Resumen de: WO2021164702A1

The application discloses an electrode having polarity capable of being reversed and use thereof. The electrode includes a substrate comprising a metal or an alloy thereof; an intermediate layer arranged on the substrate and comprising a platinum group metal and a platinum group metal oxide; and a catalytic layer arranged on the intermediate layer and comprising a mixed metal oxide. The electrode may be used as an electrode for electrolysis, electrodialysis or electroplating. The electrode can simultaneously meet the working environment requirements of the cathode and the anode, which improves the environmental tolerance and realizes the protection of the substrate; and can carry out polarity reversal to clean deposits on the surface of the electrode quickly and efficiently.

電気化学セルプラント

NºPublicación:  JP2026062790A 10/04/2026
Solicitante: 
アイティーエムパワーユーケイリミテッド
JP_2026062790_A

Resumen de: GB2613128A

A system comprising an electrolyser stack connected to a water/gas separation vessel, via an inlet and an outlet pipe. The separation vessel is adapted to passively separate the water and gas and the separation vessel contains a heat exchanger. The separation vessel is constructed from polymeric material and the vessel also has at least two nozzles which are adapted to be in communication with the inlet pipe. At least two nozzles are also adapted to be in communication with the outlet pipe where the nozzles are integral to the separation vessel and constructed from the same polymeric material. The nozzles are located so that, in use, they create a cyclonic effect.

炭化水素製造システム

NºPublicación:  JP2026063299A 10/04/2026
Solicitante: 
ENEOS株式会社
JP_2026063299_A

Resumen de: WO2022138910A1

This hydrocarbon production method comprises a first production step of using carbon dioxide contained in a source material gas to produce carbon monoxide, and a second production step of using hydrogen and carbon monoxide contained in a source material gas to produce a hydrocarbon. Each of the source material gases contains at least one among carbon dioxide, carbon monoxide, and hydrogen, which are not from fossil fuel origin.

電極取り付け組立品、セル及び使用の方法

NºPublicación:  JP2026063269A 10/04/2026
Solicitante: 
バーサムマテリアルズユーエス,リミティドライアビリティカンパニー
JP_2026063269_A

Resumen de: WO2022055528A1

Electrode attachment assemblies for electrolytic cells and electrolytic cells having one or more electrode attachment assemblies and the method of using the same are provided that comprise a carbon-containing electrode and one or more deformable attachment elements in direct or indirect contact with said carbon-containing electrode, wherein said one or more deformable attachment elements will deform at a stress lower than the stress that results in fracture of the carbon-containing electrode to accommodate the expansion of the carbon-containing electrode when in use.

膜電極アセンブリ、その製造方法、燃料電池、および電解セル

NºPublicación:  JP2026511204A 10/04/2026
Solicitante: 
グリナリティ・ゲーエムベーハー
JP_2026511204_A

Resumen de: WO2024200435A2

The invention relates to a membrane electrode assembly (1) having an anode (2), a cathode (3) and a hydrocarbon membrane (4) between the anode (2) and the cathode (3). The membrane electrode assembly (1) further comprises a protective layer (5) which is arranged between the anode (2) and the hydrocarbon membrane (4) and/or between the cathode (3) and the hydrocarbon membrane (4), wherein the protective layer (5) comprises at least one ceramic material (6) and a fluorine-containing ionomer (7), wherein the ceramic material (6) is dispersed in the fluorine-containing ionomer (7).

電気化学システム、光電極および光電極の製造方法

NºPublicación:  JP2026510958A 10/04/2026
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_2026510958_A

Resumen de: JP2026510958A

【課題】水分解および他の反応中、ならびに他のタイプのデバイス動作中のデバイス表面の安定化および活性化に資する電気化学システムを提供する。【解決手段】電気化学システムは、カウンター電極と、カウンター電極から離間した作用電極とを含む。作用電極は、基板と、基板によって支持され、基板から外向きに延在する導電性突起のアレイとを含む。導電性突起のアレイの各導電性突起は、半導体組成を有し、窒素を含む表面と、表面上に配置された酸窒化物層とを含む。カウンター電極および作用電極は、2電極構成で配置される。【選択図】図6

用作水电解电极的复杂针织结构

NºPublicación:  CN121844088A 10/04/2026
Solicitante: 
优美科股份公司及两合公司
CN_121844088_PA

Resumen de: WO2022101865A1

"Smart bracelet device containing glucose and/or glucagon" Ergonomic, wearable smart device, containing predetermined quantities of glucose and/or glucagon adapted to restore the concentration of glucose in the blood comprising: - a body of the device (1) with tubular shape containing predetermined quantities of glucose and/or glucagon; - a reload valve (4) housing at least a lip (6.1) of a reload cartridge (6), adapted to restore the reserves of glucose and/or glucagon; - a straw (3), a nasal spray (11) or both adapted for the consumption of a predetermined quantity of glucose and/or glucagon; - a smart valve (2) adapted to receive information regarding the exact quantity to be administered; - a magnetic closure (5); - a reload cartridge (6) comprising a tank (6.2) and a lip (6.1); - a display (7); - a glycemia detector (8) adapted to check the quantity of glucose in the blood, adapted to interact with said display (7) with latest-generation cellular device, CGM, insulin pumps.

MODULAR ELECTROLYSIS SYSTEM

NºPublicación:  AU2024351803A1 09/04/2026
Solicitante: 
LINDE GMBH
AU_2024351803_PA

Resumen de: AU2024351803A1

The invention relates to a modular electrolysis system comprising multiple modules, wherein each of the multiple modules comprises a support frame and at least one interface accessible from outside the support frame and configured to connect the module with at least one of the remaining modules, the multiple modules comprising a water-gas coarse separation module downstream an anode outlet of the electrolysis cell module, and a water-gas fine separation module downstream a liquid outlet of the water-gas coarse separation module.

GRID FORMING CONTROL IN A POWER SYSTEM COMPRISING A HYDROGEN ELECTROLYZER STACK

NºPublicación:  AU2024350634A1 09/04/2026
Solicitante: 
VESTAS WIND SYSTEMS AS
AU_2024350634_PA

Resumen de: AU2024350634A1

According to the invention it is provided a method for controlling a grid connected power converter having a DC side with a DC link and an AC grid side, and being configured to control power supply to a hydrogen electrolyzer stack. The power supply to the hydrogen electrolyzer stack is controlled by controlling the DC link to thereby control hydrogen production. The method comprises: determining a grid voltage reference; providing a grid forming control for controlling at least the phase angle of the voltage of the power converter using a grid forming controller, operating according to a grid forming algorithm, the grid forming controller being configured to emulate inertia through control of the voltage of the power converter towards the grid voltage reference; the grid forming controller emulating inertia by charging and discharging an inherent capacitance of the electrolyzer stack; monitoring at least one operating parameter of the hydrogen electrolyzer stack; and limiting a change in charging level of the inherent capacitance based on the monitored operating parameter of the electrolyzer stack.

DEVICE AND METHOD FOR SYNTHESIZING GREEN AMMONIA

NºPublicación:  AU2024357209A1 09/04/2026
Solicitante: 
THYSSENKRUPP UHDE GMBH
THYSSENKRUPP AG
AU_2024357209_PA

Resumen de: AU2024357209A1

The invention relates to a method for synthesizing ammonia, having the steps of: - providing hydrogen; - supplying the hydrogen to an ammonia synthesis circulator (10) comprising an ammonia converter (3) in which ammonia is catalytically synthesized; a circulator (1) which supplies a reactant gas mixture, containing the hydrogen and nitrogen, to the ammonia converter (3); and a cooling section (5) in which ammonia is condensed out of a product gas mixture of the ammonia converter (3), wherein the ammonia synthesis circuit (10) is first operated in a full-load operation, in which the ammonia synthesis circuit (10) provides a nominal flow rate of hydrogen, and the ammonia synthesis circuit (10) is converted from the full-load operation to a partial-load operation, in which the ammonia synthesis circuit (10) provides a flow rate of hydrogen which is lower than the nominal flow rate. In the partial-load operation, a first gas flow is branched off from the reactant gas flow and is conducted to the inlet of the circulator (1), and a second gas flow is branched off from the product gas mixture and is conducted to the inlet of the circulator (1).

OXYGEN EVOLUTION CATALYST COMPOSITIONS, FORMS, AND MANUFACTURING OF THE SAME

NºPublicación:  US20260098351A1 09/04/2026
Solicitante: 
EVOLOH INC [US]
US_20260098351_A1

Resumen de: US20260098351A1

A catalyst for an electrode of an electrolytic cell, comprising a metal-containing substance having at least two of the three elements Nickel (Ni), Iron (Fe), and Chromium (Cr).

METHOD FOR IMPROVING EFFICIENCY OF WATER ELECTROLYSIS SYSTEM, APPARATUS AND SYSTEM THEREFOR

NºPublicación:  US20260098347A1 09/04/2026
Solicitante: 
HYUNDAI MOTOR CO LTD [KR]
KIA CORP [KR]
US_20260098347_A1

Resumen de: US20260098347A1

0000 A method for improving the efficiency of a water electrolysis system and a system therefor are disclosed. The system includes a stack, a power source configured to supply a voltage to an anode and a cathode of the stack, and a contact electrification pipe connected to the anode such that a fluid circulates within the pipe. The fluid includes at least water. Electric power generated in the contact electrification pipe is supplied to the power source to improve power efficiency.

TWIN-STACK ELECTROLYSIS SYSTEM AND A METHOD OF OPERATING IT

NºPublicación:  WO2026073537A1 09/04/2026
Solicitante: 
STIESDAL HYDROGEN AS [DK]
WO_2026073537_A1

Resumen de: WO2026073537A1

Twin-stack electrolysis system and a method of operating it An electrolysis system (1) comprising a first electrolyzer stack (2A) and a second elec trolyzer stack (2B) for producing hydrogen gas. Liquid-electrolyte is pumped by a pump (4) from the liquid-electrolyte supply (3) through a common conduit (5) to a split point (6) at which the electrolyte from the common conduit (5) is split into a first portion fed into the first stack (2A) through a first feedline (7A) and a second portion that is fed into the second stack (2B) through a second feedline (7B). The second feedline (7B) but not the first feedline (7A) comprises an adjustable throttle (8) that is configured for variably decreasing the second flow rate through the throttle (8). The first feedline (7A) is configured to have a first flow rate that is smaller than a second flow rate flow through the second feedline (7B) when the throttle (8) of the second feedline is fully open, and the throttle (8) is configured for variably decreasing the second flow rate through the throttle (8) and the second feedline (7B) to second flow rates lower than the first flow rate through the first feedline (7A).

POWER CONTROL DEVICE, POWER CONTROL METHOD, AND POWER CONTROL PROGRAM

Nº publicación: WO2026074941A1 09/04/2026

Solicitante:

IHI CORP [JP]
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WO_2026074941_A1

Resumen de: WO2026074941A1

A power control device according to one aspect disclosed herein controls SOEC power supply using power based on renewable energy. This power control device comprises: a power separation unit that separates power based on renewable energy into a first power component and a second power component; a heat generation device that generates thermal energy using the first power component; a heat storage device that stores the thermal energy and outputs steam; and a cell stack that generates hydrogen using the second power component and the steam. The first power component includes a fluctuation component of the power based on renewable energy.

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