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1053
results.
Updated on
15/07/2026 [07:26:00]
Results 75 to 100 of 1053
Absstract of: WO2025045641A1
The present invention refers to an electrolyser (1) for the production of hydrogen from an alkaline electrolyte. The electrolyser (1) comprises a first header (2) and a second header (3) between which a plurality of elementary cells (4) and a plurality of bipolar plates (5) are stacked. Each bipolar plate (5) separates two adjacent elementary cells. The electrolyser (1) further comprises a plurality of clamping elements (20) that mechanically connect said headers (2, 3). Each of the elementary cells (4) comprises a frame (6) defining a chamber (6A), having an anodic section and a cathodic section, in which an anodic electrode (7) and a cathodic electrode (8) are at least in part housed. Each of the elementary cells (4) further comprise a separator element (10) that separates the anodic section from the cathodic section. According to the invention, each of the frames (6) comprises first through holes (61) and each of the bipolar plates (5) comprises second through holes (51), wherein each of said first through holes (61) of one frame (6) is mutually aligned with a corresponding first through holes (61) of each of the another frames (6) and with one of said second through holes (51) of each bipolar plate (5), wherein each one of said clamping means (20) extends through said through holes (51, 61) mutually aligned.
Absstract of: WO2025059026A1
Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.
Absstract of: EP4768632A1
0001 An electrode that exhibits higher oxygen evolution electrode catalytic activity than existing electrodes that use manganese-based oxide as the oxygen evolution electrocatalyst is provided.
Absstract of: KR20260100981A
0001a 본 발명은 PEM 방식 STACK과 BoP 시스템을 활용하여 에너지 효율(HHV 기준) 80% 이상을 달성하고, 생산 단가를 약 30% 절감한 고효율 친환경 수소 생산 기술에 관한 것이다. 본 기술은 방열, 방폭, 방진 설계를 통해 안정성을 확보하고, 재생에너지와 연계하여 탄소 배출 없는 수소 생산을 실현한다.
Absstract of: DE102025150513A1
Die vorliegende Erfindung stellt eine Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse bereit. Die Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse umfasst: einen Elektrolyseur, wobei der Elektrolyseur einen Wasserstoffauslass umfasst; und einen Wasserstoffabscheider, wobei der Wasserstoffabscheider einen Einlass für Gas-Flüssigkeitsgemisch und einen Gasauslass umfasst, wobei der Einlass für Gas-Flüssigkeitsgemisch über eine erste Rohrleitung mit dem Wasserstoffauslass des Elektrolyseurs verbunden ist, und wobei der Gasauslass für die Verbindung mit einem ersten Gasauslassrohr zur Abströmung des Wasserstoffs verwendet wird. Die Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse umfasst ferner eine am ersten Gasauslassrohr vorgesehene Kälteanlage. Die Kälteanlage umfasst einen Kompressor, einen Kondensator, ein Expansionsventil und einen Verdampfer, die über eine Rohrleitung nacheinander zu einer geschlossenen Anlage verbunden werden, wobei ein Kältemittel in der geschlossenen Anlage zyklisch strömt. Das erste Gasauslassrohr ist mit einem zweiten Wärmetauscher verbunden. Der Verdampfer der Kälteanlage ist im zweiten Wärmetauscher angeordnet und zur Aufnahme der Wärme des Wasserstoffs eingerichtet. Die Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse gemäß der vorliegenden Erfindung umfasst eine Kälteanlage am Gasauslassrohr, durch die der erzeugte Wasserstoff weiter gekühlt werden kann.
Absstract of: WO2026142398A1
One embodiment of the present invention provides a perovskite-structured metal oxyhydride compound with hydride ion conductivity, and a preparation method therefor. According to one embodiment of the present invention, the perovskite-structured metal oxyhydride compound with hydride ion conductivity has intrinsic hydride ion conductivity without an external hydrogen supply, and thus can be utilized in various fields such as hydrogen energy devices and catalyst devices.
Absstract of: KR20240057530A
The present invention discloses a gas turbine combined power generation system for mixed combustion of natural gas and hydrogen, which captures carbon dioxide, which is greenhouse gas, from exhaust gas emitted from a gas turbine of a power plant to reduce carbon dioxide emissions to zero, produces hydrogen using the captured carbon dioxide as a raw material, and recycles the produced hydrogen as power generation fuel. The above-described gas turbine combined power generation system for mixed combustion of natural gas and hydrogen includes a gas turbine power generation facility which produces electricity by mixing and combusting natural gas and hydrogen, a heat recovery steam generator which recovers a heat source from exhaust gas emitted from the gas turbine power generation facility, a steam turbine power generation facility which uses the heat source recovered from the heat recovery steam generator, a carbon dioxide capture facility which captures carbon dioxide from exhaust gas emitted from the gas turbine power generation facility, and a hydrogen generation facility which produces hydrogen using the carbon dioxide captured from the carbon dioxide capture facility.
Absstract of: WO2024254131A2
Disclosed are a system and method for the generation of hydrogen from a source of liquid comprising water. The system comprises a high fluid velocity electrolyzer comprising an inlet and an outlet, the inlet of the high fluid velocity electrolyzer fluidly connected to the source of liquid, and a gas fractionation system fluidly connected to the outlet of the high fluid velocity electrolyzer.
Absstract of: WO2021108446A1
Provided herein are membrane electrode assemblies (MEAs) for COx reduction. According to various embodiments, the MEAs are configured to address challenges particular to COx including managing water in the MEA. Bipolar and anion exchange membrane (AEM)-only MEAs are described along with components thereof and related methods of fabrication.
Absstract of: WO2026097283A1
The present invention relates to an ultra-stable load-type oxygen evolution electrocatalyst based on a maturation-embedding method, prepared using the following method: a single metal oxide AO x or a mixed metal oxide A YB ZO x, which remains stable under strongly acidic and strongly oxidative conditions, is used as a carrier component, and a noble metal atom M or an alloy thereof is used as an active component. Using maturation-induced embedding technology, synchronous control is achieved during the growth of the carrier and the nucleation of the active component, embedding the noble metal or nanoparticles of the alloy thereof into the metal oxide carrier to obtain a metal oxide-supported catalyst M-AO x. By using the maturation-induced embedding technology, the noble metal or nanoparticles of the alloy thereof are embedded into different metal oxide carriers to form a stable and efficient supported catalyst. The catalyst developed in the present invention can maintain high catalytic activity and stability under strongly acidic conditions and high current densities, and has broad application prospects, and is particularly suitable for the green hydrogen energy field.
Absstract of: WO2024256503A1
The invention relates to a method for manufacturing an assembly for an electrochemical cell, wherein the assembly comprises at least the following structural components: a first plate (10; 10') for supplying and/or discharging fluid, a proton exchange membrane (42), a first electrode (31) arranged between the first plate and the proton exchange membrane, and a first gas diffusion layer (21) arranged between the first plate and the first electrode, and wherein the method comprises the steps of A) providing a base comprising only a portion of the structural components, in particular the first plate and/or the first gas diffusion layer; and B) assembling the assembly, wherein the assembling involves adding the remaining structural components; or the steps of a) providing a base that is different from the structural components; and b) assembling the assembly, wherein the assembling involves adding the structural components; wherein a casing is formed by applying one or more layers of moulding material (70-72) to the provided base, a strength of this moulding material increases after said application, and at least one layer of the moulding material forming the casing or at least a circumferential section of the casing is applied before step B) or b). The invention also relates to an electrochemical cell, in particular a fuel cell or electrolysis cell, a cell stack with cells of this type, as well as a method and a system for manufacturing assemblies for cells or cell stacks of thi
Absstract of: KR20260100066A
본 발명은 암모니아 공급기로부터 공급된 암모니아를 전기분해하여 수소를 분리시키는 암모니아 전기분해 시스템 및 이를 이용하여 수소를 생산하는 방법에 관한 것으로, 상기 암모니아 전기분해 시스템은 암모니아 공급기로부터 공급된 상기 암모니아를 전기분해하여 혼합 가스를 생성하는 전기분해부 및 상기 혼합 가스로부터 수소 가스를 추출하는 분리부를 포함하고, 상기 분리부는, 상기 혼합 가스에 포함된 수소를 추출하는 수소펌프를 포함하고, 상기 수소펌프는 수분 공급이 필요없는 무수 환경에서 상기 수소를 추출하는 것을 특징으로 한다.
Absstract of: KR20260099641A
본 발명은 유해가스를 처리하는 가스 스크러버에 수소 및 산소를 공급하는 장치로서, 물을 전기분해하여 수소 및 산소를 발생시키는 수전해 스택; 상기 수전해 스택 및 상기 수전해 스택 주변의 유체 흐름을 관리하고, 상기 수전해 스택으로부터 발생한 가스의 기액 분리를 수행하는 M-BOP; 및 상기 수전해 스택에 전류를 공급 및 제어하고, 상기 M-BOP의 작동을 제어하는 E-BOP를 포함하고, 상기 수전해 스택으로부터 발생한 수소 및 산소를 상기 가스 스크러버에 공급하여 유해가스 처리 효율을 향상시킬 수 있다.
Absstract of: KR20260099666A
본 발명에 따른 수전해기의 부생 산소를 활용해 생산된 과산화수소를 이용한 수처리 시스템은, 수전해기에서 생성된 고순도의 부생 산소를 활용하여 과산화수소를 생성하고, 상기 과산화수소를 자외선 반응을 통해 하이드록실 라디칼을 생성하고, 고도산화 수처리에 활용하도록 구성됨으로써, 수전해 시스템과 수처리 시스템의 연계를 통해 부생 산소의 현장(on-site) 활용이 가능해짐에 따라 별도의 산소 액화, 저장, 운반 및 주입 설비 등이 필요하지 않으므로 설비가 간단해지고, 오존과 과산화수소 구매 비용 등 운영 비용이 절감될 수 있다. 또한, 수전해기의 산소 생산량, 피처리수의 오염도, 피처리수의 양 등에 따라 간접적 안트라퀴논 공정의 제1과산화수소 생성기와 전기화학적 반응을 하는 제2과산화수소 생성기 중 적어도 하나가 선택적으로 사용될 수 있으므로, 과산화수소 생산 효율과 수처리 효율이 보다 향상될 수 있다. 또한, 기체 수소가 반응물로 투입되지 않는 간접적 안트라퀴논 공정 및 전기화학적 2전자 산소환원반응을 통해 과산화수소를 생산하여 수처리에 사용하기 때문에, 효율적인 운영이 가능해질 수 있다. 또한, 산소의 생산과 수요를 직접 연결시킴으로써 경제성도 향상될 수 있다.
Absstract of: KR20260100068A
본 발명은, 암모니아 공급기로부터 공급된 암모니아를 전기분해하여 수소를 분리시키는 암모니아 전기분해 시스템 및 이를 이용하여 수소를 추출하는 수소 생산 방법에 관한 것으로, 암모니아 공급기로부터 공급된 상기 암모니아를 전기분해하여 혼합 가스를 생성하는 전해셀을 포함하는 전기분해부; 상기 혼합 가스로부터 수소를 선택적으로 투과 및 분리하는 분리부; 및 상기 전기분해부 및 분리부를 제어하는 제어부; 를 포함하고, 상기 제어부는 상기 암모니아의 공급 유량(min)을 상기 전해셀에서의 반응에 필요한 최소 유량(mmin) 이상으로 유지하고, 상기 제어부는 상기 전해셀 내의 암모니아의 증발잠열이 활용되도록 상기 암모니아의 공급 유량(min) 및 암모니아의 공급 온도(Tin)를 제어하여 상기 전해셀을 냉각시키는 것을 특징으로 한다.
Absstract of: WO2026137699A1
An electrolytic cell insulation detection apparatus, comprising: an insulation detection module (10), which comprises a first end (P1) and a second end (P2), wherein the first end (P1) is configured to be connected to an electrode plate (130) of an electrolytic cell, the second end (P2) is configured to be connected to a tie rod (140) of the electrolytic cell, and the insulation detection module (10) is configured to collect an impedance signal of the electrolytic cell during operation; and a control unit (190), which is electrically connected to the insulation detection module (10), and is configured to perform insulation detection on the basis of the received impedance signal.
Absstract of: FR3170341A1
Procédé pour caractériser un catalyseur La présente invention concerne un procédé pour caractériser un catalyseur A, comprenant au moins les étapes consistant à :- Mettre en contact une solution aqueuse de pH supérieur ou égal à 11 comprenant au moins un sel de borohydrure avec le catalyseur A ; - Déterminer le potentiel normalisé de circuit ouvert Et(A) ; et - Comparer le potentiel normalisé de circuit ouvert Et(A) à un potentiel normalisé de circuit ouvert Et(B) pré-acquis à un même temps t avec un catalyseur B de référence dans les mêmes conditions que le potentiel normalisé de circuit ouvert Et(A) et/ou comparer le temps t à un temps t’ auquel un potentiel normalisé de circuit ouvert Et’(B) pré-acquis avec un catalyseur B de référence dans les mêmes conditions que le potentiel normalisé de circuit ouvert Et(A) est égal au potentiel normalisé de circuit ouvert Et(A). Figure pour l’abrégé : Néant
Absstract of: EP4603447A1
Method for producing a hydrogen product from ammonia, comprising the steps of:- Providing an ammonia feed stream;- Passing the ammonia feed stream to at least one ammonia pre-cracking reactor for producing a partly converted ammonia feed stream comprising ammonia, hydrogen and nitrogen by a pre-cracking reaction, said pre-cracking reactor comprising a pre-cracking catalyst bed comprising from 20 wt% to 60 wt% of nickel, preferably from 25 wt% to 50 wt% of nickel as a pre-cracking catalytically active material,- Passing the partly converted ammonia feed stream to an ammonia cracking reactor for producing an effluent gas stream comprising hydrogen and nitrogen and optionally also unconverted ammonia by a cracking reaction, said cracking reactor comprising a cracking catalyst bed comprising from 10 wt% to 20 wt% of nickel as a cracking catalytically active material.
Absstract of: WO2025127896A1
According to exemplary embodiments of the present invention, a hydrogen production system is provided. The hydrogen production system comprises: a dry quenching facility configured to cool coke using a cooling gas; a boiler configured to receive the cooling gas from the dry quenching facility and recover heat energy of the cooling gas to produce first steam and electric power; and a water electrolysis facility configured to receive the electric power from the boiler and electrolyze second steam to produce hydrogen. According to other exemplary embodiments of the present invention, a method for producing hydrogen is provided.
Absstract of: WO2025116586A1
Disclosed are a catalyst electrode for ammonia water electrolysis and a manufacturing method thereof, the durability and catalytic activity of the catalyst electrode being improved by synthesizing platinum catalyst seeds through an ultrasonic treatment of a specific duration and inhibiting poisoning of a platinum catalyst by nickel hydroxide formed on the surface of a nickel support.
Absstract of: WO2024254708A1
There is provided a gas diffusion electrode for use in a membrane electrolysis cell. There is also provided a membrane electrolysis cell for processing a salt-containing solution. There is also provided a process for producing a base product. In particular, there is provided gas diffusion electrodes within multi-compartment membrane electrolysis cells for use in processing lithium.
Absstract of: WO2026135313A1
The present invention relates to a solid oxide electrolysis cell (SOEC) system and, more specifically, to an SOEC system hot box, which enables an SOEC stack to stably operate within an optimal temperature range. According to the present invention, the SOEC system hot box for ensuring thermal stability of the SOEC stack can be provided, the SOEC system hot box comprising: a gas inlet part; a dummy stack disposed inside the hot box; and the SOEC stack, wherein the gas inlet part supplies, into the hot box, a high-temperature gas heated by means of a gas heater, a difference value between the temperature of the heated high-temperature gas and the temperature of the dummy stack is greater than or equal to a temperature difference value between the dummy stack and the SOEC stack, and the inside of the hot box indicates a temperature of 650-800°C.
Absstract of: WO2024261689A1
Electrolyser device (1), of the type which uses the anion exchange membrane water electrolysis (AEMWE) technology for the production of hydrogen, characterized in that it comprises: - at least one support frame (2) with a substantially laminar development, comprising at least two seats (3) which are defined on the same support frame (2) so as not to overlap with each other, - at least two electrochemical modules (10) wherein: - each electrochemical module (10) is mounted at a respective seat (3), - each electrochemical module (10) includes an anion exchange separation membrane (11) which is interposed between two electrodes, respectively between an anode (12) and a cathode (13), - at least the separation membranes (11 ) of said at least two electrochemical modules (10) are structurally distinct and separated from each other, means (20) for applying electrical energy to the electrodes (12, 13) of each electrochemical module (10).
Absstract of: WO2026135383A1
The present invention relates to: a catalyst for water electrolysis, having a coating layer including iridium oxide particles and titanium oxide, wherein the coverage rate of the coating layer is 30-120%; and an ink composition, an electrode for water electrolysis, and a water electrolysis cell, each comprising the catalyst for water electrolysis.
Nº publicación: WO2026135032A1 25/06/2026
Applicant:
POSCO HOLDINGS INC [KR]
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Absstract of: WO2026135032A1
According to exemplary embodiments of the present invention, the arrangement of catalysts is optimized, and thus sufficient ammonia decomposition efficiency can be ensured even if various catalysts are utilized.
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