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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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METHOD FOR OPERATING HIGH-TEMPERATURE WATER ELECTROLYSIS STACK

Publication No.:  WO2025254339A1 11/12/2025
Applicant: 
SAMSUNG E&A CO LTD [KR]
\uC0BC\uC131\uC774\uC564\uC5D0\uC774(\uC8FC)
WO_2025254339_A1

Absstract of: WO2025254339A1

A method for operating a high-temperature water electrolysis stack. The disclosed method for operating a high-temperature water electrolysis stack comprises the steps of: (S210) injecting a reducing gas into a hydrogen electrode of a high-temperature water electrolysis stack; (S220) initially increasing the temperature of the hydrogen electrode of the high-temperature water electrolysis stack; (S230) blocking the reducing gas injected into the hydrogen electrode of the high-temperature water electrolysis stack; (S240) primarily oxidizing the hydrogen electrode of the high-temperature water electrolysis stack; (S250) reinjecting the reducing gas into the hydrogen electrode of the high-temperature water electrolysis stack; (S260) blocking, again, the reducing gas injected into the hydrogen electrode of the high-temperature water electrolysis; (S270) secondarily oxidizing the hydrogen electrode of the high-temperature water electrolysis stack; and (S280) reinjecting the reducing gas into the hydrogen electrode of the high-temperature water electrolysis stack and performing normal operation.

WATER ELECTROLYSIS SYSTEM AND METHOD FOR OPERATING WATER ELECTROLYSIS SYSTEM

Publication No.:  EP4660153A1 10/12/2025
Applicant: 
MITSUBISHI HEAVY IND LTD [JP]
Mitsubishi Heavy Industries, Ltd
EP_4660153_PA

Absstract of: EP4660153A1

The water electrolysis system is a water electrolysis system using an alkaline aqueous solution as an electrolytic solution, the water electrolysis system including a cell stack to which the electrolytic solution is supplied; a storage section in which the electrolytic solution is stored; an annular flow path connecting the storage section and the cell stack to each other; a pump section provided on the annular flow path; a scale removal section that is provided on the annular flow path and is capable of removing a scale included in the electrolytic solution; and a scale component removal section capable of removing scale components dissolved in the electrolytic solution at or below a saturation concentration.

A FEEDWATER PREPARATION METHOD FOR ALKALINE ELETROLYSER SYSTEM AND A FEEDWATER PREPARATION SYSTEM

Publication No.:  EP4658835A1 10/12/2025
Applicant: 
GREEN HYDROGEN SYSTEMS AS [DK]
Green Hydrogen Systems A/S
CN_120936752_PA

Absstract of: AU2024214359A1

Feedwater preparation system in a water electrolyser adapted to produce hydrogen and oxygen in one or more pressurised electrolyser stacks (2) using alkaline water and comprising a product gas conditioning system that has a safety valve out-blow material stream pipe (11) which is connected to a feedwater vessel (9), and/or has a depressurisation stream pipe (31) from a gas cleaning vessel which is connected to the feedwater vessel (9).

METHOD AND DEVICE FOR PRODUCING HYDROGEN AND OXYGEN FROM WATER AND AQUEOUS SOLUTIONS

Publication No.:  EP4660350A1 10/12/2025
Applicant: 
SONOPLASMAH2 OUE [EE]
SonoPlasmaH2 O\u00DC
EP_4660350_PA

Absstract of: EP4660350A1

The invention is aimed to create a method for producing hydrogen and oxygen from water and aqueous solutions, which ensures increased productivity and reduced energy consumption. In the method, electrical energy in the process of water electrolysis is used in the plasma electrolytic process mode between the anode and cathode in water with the removal of hydrogen from the cathode region and oxygen from the anode region, while the water is simultaneously subjected to acoustic impact induced by a piezoelectric emitter, wherein the acoustic impact propagation vector is perpendicular to the electric field vector, the obtained gaseous hydrogen and oxygen are captured separately by electromagnetic separators with oppositely directed magnetic fields. The device for producing hydrogen and oxygen from water and aqueous solutions consists of a reactor in the form of a container with water, in the reactor there is a piezo-acoustic emitter, the power source is connected to the anode and cathode, in which the thermionic insert is made of tungsten, zirconium or hafnium, and the branch pipes of electromagnetic output separators.

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

Publication No.:  EP4658391A1 10/12/2025
Applicant: 
UNIV CALIFORNIA [US]
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA
KR_20250148612_PA

Absstract of: MX2025008939A

The present disclosure relates to methods of sequestering CO<sub>2 </sub>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.

水の電気分解方法、水素の製造方法及び、PEM型水電解装置のセルの製造方法

Publication No.:  JP2025179670A 10/12/2025
Applicant: 
東邦チタニウム株式会社
JP_2025179670_A

Absstract of: WO2025248902A1

A method for electrolyzing water according to the present invention is a method for splitting water with the use of a PEM water electrolysis device which is provided with a cell in which a cathode, an electrolyte membrane, a porous transport layer, and an anode are stacked, wherein: the porous transport layer has a titanium porous body; in the electrolyte membrane-side surface of the titanium porous body, the average value of the areas of pores that open to the surface is 5 μm2 to 45 μm2 inclusive; the standard deviation value of the areas of the pores is 90 μm2 or less; the number of the pores that are present within a rectangular region that has an area of 22,000 μm2 and an aspect ratio of 4:3 is 120 or more; and the pressure applied in the stacking direction of the cathode, the electrolyte membrane, the porous transport layer, and the anode at the time of assembling the cell is set to 6 MPa or more.

ELECTROLYTE SOLUTION AND A METHOD OF MANUFACTURING THEREOF

Publication No.:  EP4658836A1 10/12/2025
Applicant: 
PETROLIAM NASIONAL BERHAD PETRONAS [MY]
Petroliam Nasional Berhad (Petronas)
CN_120981608_A

Absstract of: WO2024162841A1

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

HYDROGEN BURNER USING WATER THERMOLYSIS

Publication No.:  EP4660131A1 10/12/2025
Applicant: 
NOWAKOWSKI WIESLAW [PL]
NOWAKOWSKI JAKUB [PL]
Nowakowski, Wieslaw,
Nowakowski, Jakub
EP_4660131_PA

Absstract of: EP4660131A1

The subject of the invention is a hydrogen burner using water thermolysis, incorporating a hydrogen combustion chamber (1) containing heating nozzles (3) connected to a fuel transport duct (4), with at least one magneto (6) installed in its vicinity. This burner is characterised in that the chamber (1) contains water (2) in which a duct (6) with heat exchange medium is immersed, and the heating nozzles (3) are dir3ected towards the table of that water (2). The chamber (1) is made of heat-resistant steel and coated with a thermal insulation layer (5) on the outside. Water (2) in the chamber (1) contains transition metals acting as catalysts for water thermolysis, particularly such as cerium, nickel, molybdenum, or chromium.

CATALYST FOR PRODUCING HYDROGEN-OXYGEN AND METHOD OF MANUFACTURING THE CATALYST

Publication No.:  KR20250173328A 10/12/2025
Applicant: 
한국전력공사한국에너지공과대학교

Absstract of: KR20250173328A

본 발명은 수소 및 산소 발생용 촉매와 이의 제조방법에 관한 것으로, 몰리브덴 및 니켈을 동시에 포함하는 전이금속으로부터 제조된 전이금속 화합물을 포함하여 이종접합 구조를 가지는 수소 및 산소 발생용 촉매를 제조하여 수소 발생 반응(HER)과 산소발생반응(OER)을 모두 촉진하며 수소 생산을 위한 수전해 효율을 향상한다.

水電解膜電極及びその調製方法、並びにそれを用いた水電解槽

Publication No.:  JP2025179788A 10/12/2025
Applicant: 
恵州億緯▲軽▼能有限公司
JP_2025179788_A

Absstract of: US2025369130A1

The present disclosure provides a water electrolysis membrane electrode, a method for preparing the water electrolysis membrane electrode, and a water electrolyzer applying the water electrolysis membrane electrode. The water electrolysis membrane electrode includes a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer, and an anode gas diffusion layer that are stacked in sequence. Raw materials for preparing the hydrophobic anode catalytic layer include an anode catalyst, a hydrophobic material, and an anode ionomer. A mass ratio of the anode catalyst, the hydrophobic material, and the anode ionomer is 10:1-3:1-3. A porosity of the hydrophobic anode catalytic layer is 10%-40%.

A METHOD OF GENERATING HYDROGEN AND OXYGEN FROM A LIQUID FEED STREAM

Publication No.:  EP4658837A1 10/12/2025
Applicant: 
PETROLIAM NASIONAL BERHAD PETRONAS [MY]
Petroliam Nasional Berhad (Petronas)
CN_121039323_A

Absstract of: WO2024162842A1

A method of generating hydrogen and oxygen from a liquid feed stream through an integrated system of forward osmosis and electrolysis, wherein the method comprising 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 comprising an electrolyte, an ionic liquid and a solvent, wherein the electrolyte is used in an amount ranging between 1 wt% to 10 wt% of the electrolyte solution, wherein the ionic liquid is used in an amount ranging between 1 wt% to 5 wt% of the electrolyte solution and wherein the solvent is used in an amount ranging between 75 wt% to 99 wt% of the electrolyte solution.

電解装置

Publication No.:  JP2025178745A 09/12/2025
Applicant: 
本田技研工業株式会社
JP_2025178745_PA

Absstract of: US2025361626A1

An electrolysis device includes a water electrolysis stack configured to electrolyze water, a gas-liquid separator configured to separate hydrogen gas from water discharged from the water electrolysis stack, and a hydrogen compression stack configured to compress the hydrogen gas separated by the gas-liquid separator. The gas-liquid separator includes a storage tank configured to store water, and a maximum storage water level that is a maximum value of a water level that can be allowed in the storage tank is predetermined, and the hydrogen compression stack is located above the maximum storage water level.

水電解システムの制御方法および水電解システム

Publication No.:  JP2025178728A 09/12/2025
Applicant: 
株式会社日立製作所
JP_2025178728_PA

Absstract of: WO2025249273A1

Provided is a method for controlling a water electrolysis system with which operation states of a plurality of electrolysis stacks can be independently regulated highly responsively and highly efficiently. This method is for controlling a water electrolysis system which comprises: electrolysis stacks where water is electrolyzed to produce hydrogen and oxygen; a pure water feeder for feeding pure water to the electrolysis stacks; a first regulation part and a second regulation part, which are disposed between each electrolysis stack and the pure water feeder and are capable of regulating the operation state of the electrolysis stack; and an operation state regulation control unit which regulates the first regulation part and the second regulation part to regulate the operation states of the electrolysis stacks. The operation state regulation control unit, after receiving a command to change the operation state of an electrolysis stack, operates the first regulation part on the basis of the operation state and, when a predetermined requirement has been satisfied, operates the second regulation part simultaneously with the first regulation part on the basis of the operation state.

二酸化炭素の付加価値製品への変換のために逆水性ガスシフト反応器とともに使用される一酸化炭素電解槽

Publication No.:  JP2025539802A 09/12/2025
Applicant: 
ディオキシクル
JP_2025539802_PA

Absstract of: CN120435590A

Methods and systems related to valuing carbon dioxide are disclosed. The disclosed system includes a reverse water gas shift (RWGS) reactor, a carbon dioxide source connection fluidly connecting a carbon dioxide source to the RWGS reactor, an electrolyzer having an anode region and a cathode region, and a carbon monoxide source connection fluidly connecting the RWGS reactor to the cathode region. The RWGS reactor is configured to generate a volume of carbon monoxide in an RWGS reaction using a volume of carbon dioxide from the carbon dioxide source connection. The electrolyzer is configured to generate a volume of generated chemicals, including hydrocarbons, organic acids, alcohols, olefins, or N-rich organic compounds, using the electrolyzer and the reduction of the volume of carbon monoxide and the oxidation of an oxidizing substrate from the carbon monoxide source link.

Conjunto de cámara catódica en unidad de celda electrolítica y electrolizador

Publication No.:  ES3048332A2 09/12/2025
Applicant: 
TOKUYAMA CORP [JP]
TOKUYAMA CORPORATION
KR_20250123765_PA

Absstract of: TW202428942A

There is provided a cathode chamber assembly, which may not require any skill for assembling, and which may not cause any problems such as formation of an undesirable space in the peripheral portion of the cathode chamber. The cathode can be easily replaced when it deteriorates. The cathode is attached detachably to ribs formed on the bulkhead, directly or indirectly with a plurality of fastening screws or fastening pins, and further or alternatively, a peripheral flange of a rectangular flame shape extending along the inner surface peripheral portion of the bulkhead is disposed. In the embodiment, the cathode may be attached by bonding one surface of a rectangular gasket to the inner surface of the peripheral flange, and by adhering an adhesive tape across the inner peripheral portion of the other surface of the gasket and the outer peripheral portion of the exposed surface of the cathode.

ELECTROCATALYST FOR HYDROGEN EVOLUTION REACTION AND METHOD FOR MANUFACTURING THE SAME

Publication No.:  KR20250172443A 09/12/2025
Applicant: 
연세대학교산학협력단
KR_20250172443_PA

Absstract of: KR20250172443A

본 발명의 일 실시예는 중공 나노튜브; 및 상기 중공 나노튜브 표면 상에 위치하되, 나노시트가 서로 연결되어 형성된 3차원 네트워크 구조의 다공성 쉘;을 포함하는 계층적 구조를 가지는 중공 나노튜브를 포함하되, 상기 계층적 구조를 가지는 중공 나노튜브는 NiMo-MoO3-x (0

氨分解装置及其制造方法

Publication No.:  CN121100105A 09/12/2025
Applicant: 
东京窑业株式会社株式会社科特拉
CN_121100105_PA

Absstract of: WO2024247383A1

Provided is an ammonia decomposition device capable of achieving both an improvement in ammonia conversion rate and an improvement in catalyst life. An ammonia decomposition device (11) comprises: an ammonia gas inlet (13); a catalyst-carrying honeycomb structure (1) that decomposes ammonia to generate hydrogen and nitrogen; and a gas outlet (14). The catalyst-carrying honeycomb structure (1) includes: a ceramic honeycomb structure; a catalyst layer (3) that is formed in a flow path (2a) of the honeycomb structure and decomposes ammonia; and electrodes (4a, 4b) that are formed on a side surface of the honeycomb structure. Electricity is passed through the honeycomb structure.

用于电合成或电能液气电池或电池堆叠的外围设施

Publication No.:  CN121100420A 09/12/2025
Applicant: 
海萨塔私人有限公司
CN_121100420_PA

Absstract of: AU2024202934A1

Disclosed in one example is gas pressure equalisation systems (400-401), and method of operation, for an electro-synthetic or electro-energy liquid-gas cell or cell stack (210). The gas pressure equalisation systems (400-401) comprise a first pressure equalisation tank (410) for partially containing a first liquid (470) and a first gas. The first gas is positioned above a liquid first level (471). A first gas conduit (430) is provided for the transfer of the first gas between the cell or cell stack (210) and the first pressure equalisation tank (410). In another example, a second pressure equalisation tank (420) may be additionally provided for partially containing a second liquid (473) and a second gas positioned above a liquid second level (472). A second gas conduit (440) is then provided for the transfer of the second gas between the cell or cell stack (210) and the second pressure equalisation tank (420).

알칼리 수전해용 세퍼레이터

Publication No.:  KR20250172700A 09/12/2025
Applicant: 
아그파게바에르트엔브이
KR_20250172700_PA

Absstract of: AU2024407460A1

A catalyst coated separator for alkaline water electrolysis (1) comprising a porous support (100) and on at least side of the support, in order: - an optional porous polymer layer (200), - a non-porous alkali-stable polymer layer (300), and - a catalyst layer (400).

用于将氢气和氧气发生装置封装在外壳中的方法及适用于氢气和氧气发生装置的外壳

Publication No.:  CN121100198A 09/12/2025
Applicant: 
蒂森克虏伯新纪元股份有限及两合公司
CN_121100198_PA

Absstract of: AU2024228415A1

Enclosure adapted for a hydrogen and oxygen generating apparatus arranged in a movable has an interior and an interior surface and an exterior surface whereby the hydrogen and oxygen generating apparatus comprises at least one electrolyser stack adapted for electrolysing water to hydrogen product gas and oxygen product gas and accompanying gas and electrolyte handling equipment. The exterior surface of the enclosure comprises at least a heat insulating, flexible polymer cover element which is attached to a metal frame.

NAFION AND METAL ORGANIC FRAMEWORK COMPOSITE ELECTRODE FOR ALKALINE HYDROGEN EVOLUTION REACTION AND MANUFACTURING METHOD THEREOF

Publication No.:  KR20250170724A 08/12/2025
Applicant: 
포항공과대학교산학협력단
US_2025369135_PA

Absstract of: US2025369135A1

The present invention relates to an electrode for a hydrogen evolution reaction in an alkaline water electrolysis cell, wherein the electrode comprises: a co-catalyst consisting of a composite containing a Lewis acid-containing material and a metal-organic framework (MOF); and a catalyst surrounded by the co-catalyst. According to the present invention, the water dissociation step of the alkaline hydrogen evolution reaction is promoted, hydrogen gas generated by the hydrogen evolution reaction can easily permeate through the structure, and Nafion is uniformly dispersed by the large pores created by the MOF, thereby implementing the co-catalyst effect across the entire surface while minimizing catalyst poisoning.

MEMBRANE ELECTRODE FOR WATER ELECTROLYSIS ITS MANUFACTURING METHOD AND A WATER ELECTROLYSIS CELL USING IT

Publication No.:  KR20250171151A 08/12/2025
Applicant: 
이브이이하이드로젠에너지컴퍼니리미티드
JP_2025179788_A

Absstract of: US2025369130A1

The present disclosure provides a water electrolysis membrane electrode, a method for preparing the water electrolysis membrane electrode, and a water electrolyzer applying the water electrolysis membrane electrode. The water electrolysis membrane electrode includes a cathode gas diffusion layer, a cathode catalytic layer, an anion exchange membrane, a hydrophobic anode catalytic layer, and an anode gas diffusion layer that are stacked in sequence. Raw materials for preparing the hydrophobic anode catalytic layer include an anode catalyst, a hydrophobic material, and an anode ionomer. A mass ratio of the anode catalyst, the hydrophobic material, and the anode ionomer is 10:1-3:1-3. A porosity of the hydrophobic anode catalytic layer is 10%-40%.

HYDROGEN PURIFICATION SYSTEM AND METHOD FOR PURIFYING HYDROGEN

Publication No.:  KR20250171011A 08/12/2025
Applicant: 
포스코홀딩스주식회사
WO_2025249989_PA

Absstract of: WO2025249989A1

According to exemplary embodiments of the present invention, provided are a hydrogen purification system and a method for purifying hydrogen, the hydrogen purification system comprising: a first reactor configured to produce a metal nitride and a hydrogen-rich gas by reacting a mixed gas containing hydrogen and nitrogen with a metal absorbent; and a second reactor configured to receive the metal nitride from the first reactor and regenerate same into the metal absorbent, wherein the pressure of the first reactor is 1-5 bar.

수용액 반응기

Publication No.:  KR20250170593A 05/12/2025
Applicant: 
어드밴스드컴버스턴테크놀로지스아이엔씨
CN_120659908_PA

Absstract of: CN120659908A

A hydrogen generating battery includes a pair of input electrode plates, a pair of output electrode plates, an additional X-plate electrode positioned adjacent the pair of output electrode plates, and a plurality of intermediate electrode plates disposed between the pair of input electrode plates and the pair of output electrode plates. The plasma torch is spaced apart from and inductively coupled to the pair of input electrode plates. A pulsed DC voltage is applied to the plasma torch and the X-plate, while a lower pulsed DC voltage is applied to the pair of input and output electrode plates such that hydrogen gas is generated from the aqueous solution in which the battery is immersed.

用于生产化合物的方法和用于生产化合物的设备

Nº publicación: CN121079452A 05/12/2025

Applicant:

海兰德控股公司

CN_121079452_PA

Absstract of: WO2024184587A1

The invention relates to a method for producing a compound comprising at least one of hydrogen or oxygen. The method comprises providing water and a first substance, producing a mixture comprising the water and bubbles comprising the first substance, decreasing diameter of bubbles comprising the first substance, decomposing a part of the water, and composing a compound at least from the decomposed water and the first substance, and the compound comprising at least one of hydrogen or oxygen. The invention further relates to apparatus for producing a compound comprising at least one of hydrogen or oxygen.

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