Resumen de: US2025197205A1
Disclosed is an apparatus for producing hydrogen gas from ammonia gas using a laser. A decomposition device for decomposing ammonia gas in order to produce hydrogen gas includes an ammonia inlet provided at an uppermost end of the decomposition device to allow ammonia gas to easily flow into the decomposition device, a hydrogen outlet configured to discharge the hydrogen gas produced by decomposition of the ammonia gas, and a nitrogen outlet configured to discharge nitrogen gas produced by the decomposition of the ammonia gas. Laser light in a preset first wavelength band is incident from an outside to a contact point of the ammonia inlet, the hydrogen outlet, and the nitrogen outlet, so that the ammonia gas is decomposed.
Resumen de: US2024133066A1
An electrolysis cell system includes a cathode portion configured to output a cathode exhaust stream, an anode portion configured to output an anode exhaust stream, a sensor configured to detect a concentration in an exhaust stream and to output sensor data, wherein the sensor is either a hydrogen concentration sensor configured to detect a hydrogen concentration in the cathode exhaust stream or a water concentration sensor configured to detect a water concentration of the anode exhaust stream, and a controller. The controller is configured to receive the sensor data from the sensor and, based on the sensor data, control at least one of (a) an air pressure adjustment device to adjust a pressure of air entering the anode portion or (b) a steam pressure adjustment device to adjust a pressure of steam entering the cathode portion.
Resumen de: WO2025135742A1
A control method of a high-temperature water electrolysis system, according to a first embodiment of the present invention, comprises the steps of: determining an operating temperature of a solid oxide water electrolysis stack in a high-temperature water electrolysis system including the solid oxide water electrolysis stack; selecting an operation mode of the solid oxide water electrolysis stack by comparing the operating temperature with a supply temperature of gas supplied to the solid oxide water electrolysis stack; determining a target voltage applied to the solid oxide water electrolysis stack according to the operation mode of the solid oxide water electrolysis stack; and applying the target voltage applied to the solid oxide water electrolysis stack in a step-up manner according to the operation mode of the solid oxide water electrolysis stack.
Resumen de: WO2025135743A1
The present invention provides a water electrolysis stack assembly and a hot box apparatus. In an embodiment, provided is a water electrolysis stack assembly including: a case including an upper surface part, a side surface part, and a gas outflow pipe formed in the side surface part; and a stack accommodated in an inner space of the case, wherein a surface pressure is applied to the stack by the upper surface part of the case.
Resumen de: WO2025135726A1
The present invention provides a hydrogen vent system for discharging hydrogen generated in a high-temperature water electrolysis stack to the outside, comprising: a first pipe unit connected to the high-temperature water electrolysis stack and having a curved portion; a drain line which is connected to the first pipe unit and through which condensed water is drained; and a discharge unit which is connected to the first pipe unit and which releases hydrogen upward into the air, wherein a surge tank that maintains pressure and moves the condensed water to the drain line is disposed in the first pipe unit.
Resumen de: WO2025127502A1
Provided according to exemplary embodiments of the present invention is an ammonia decomposition system capable of minimizing the generation of iron nitride, which is a by-product.
Resumen de: EP4574749A1
Die Erfindung betrifft ein Verfahren sowie eine Anlage Verfahren zur Erzeugung eines Wasserstoffprodukts (12), bei dem ein erster Teil eines bereitgestellten Ammoniaks (F) überhitzt und in einem Spalteinsatz (1) einer brennerbefeuerten Spaltofenanordnung (S) zugeführt wird, um mit katalytischer Unterstützung zu einem Wasserstoff, Stickstoff und Ammoniak enthaltenden Spaltgas (3) umgesetzt zu werden, von dem zumindest ein Teil einer Trenneinrichtung (T) zugeführt wird, in der eine Wasserstofffraktion (6) sowie ein gegenüber dem Spaltgas (3) an Stickstoff angereichertes, Wasserstoff und Ammoniak enthaltendes Restgas (7) erhalten werden, von dem zumindest ein Teil zusammen mit einem zweiten Teil (14) des bereitgestellten Ammoniaks (F) zur Befeuerung der Spaltofenanordnung (S) eingesetzt wird. Kennzeichnend hierbei ist, dass der zweite Teil (14) des bereitgestellten Ammoniaks (F) vor seinem Einsatz zur Befeuerung der Spaltofeneinrichtung (S) überhitzt wird.
Resumen de: EP4576478A1
The invention relates to a water electrolysis installation (P) comprising a plurality of electrolysis clusters (Ci) operated at respective electrical power setpoints (P<sup>i</sup><sub>k</sub>). The installation comprises and a supervision unit (SU) for operating the installation (P) according to an electrical network flexibility signal (FS<sub>k</sub>), the supervision unit (SU) comprising a modulation controller (MOD) for modulating synchronously the electrical power drawn by the installation (P) from an electrical network (NET) according to a preset arrangement, a priority sequencer (SEQ) to establish the preset arrangement asynchronously to the modulation controller (MOD), and a regulator module (REG) to regulate the actual power (P<sub>k</sub>) drawn by the installation.
Resumen de: EP4576285A1
An electrochemical cell module includes a module housing and electrochemical cells located in the module housing and configured to generate power or hydrogen and to output an exhaust. The module also includes a vent housing attached to the module housing, an exhaust duct located in the vent housing, and a filter cartridge located in the exhaust duct. The exhaust duct contains an inlet that is configured to receive the exhaust from the module housing, and an outlet that is configured to direct the exhaust away from the module housing. The filter cartridge contains a particulate filter.
Resumen de: CN119790190A
The invention relates to an electrolysis device (1) for producing hydrogen gas from an aqueous alkaline solution by electrochemical reaction, comprising an anode half-cell (2) and a cathode half-cell (3). The anode half-cell (2) and the cathode half-cell (3) are separated by a membrane (4), and the cathode half-cell (3) can be filled with the aqueous alkali. The anode half-cell (2) comprises an anode electrode (5) and the cathode half-cell (3) comprises a cathode electrode (6), the anode electrode (5), the cathode electrode (6) and the membrane (4) forming a membrane electrode unit (7). Furthermore, during normal operation of the electrolysis device (1), the initial filling amount of the alkaline solution in the cathode half-cell (3) can be varied exclusively by a diffusion process through the membrane electrode unit (7) and/or by an electrochemical reaction of the alkaline solution in the membrane electrode unit (7).
Resumen de: CN119678338A
The invention relates to a method for operating a renewable power plant (100) comprising at least one wind turbine (101) and an electrolyser system (110), the renewable power plant being connectable with an electrical grid (190) via a circuit breaker (123) located at a point of common coupling (PCC), wherein the renewable power plant comprises an internal grid (191) connecting the at least one wind turbine and the electrolyzer system with a point of common coupling, and wherein the method comprises detecting a low voltage at any one of the at least one wind turbine, and electrically disconnecting the electrolyzer system from the internal grid in response to detecting the low voltage.
Resumen de: WO2024178009A2
A hydrogen generating cell comprising an input electrode plate pair, an output electrode plate pair, an additional X plate electrode positioned adjacent the output electrode plate pair, and a plurality of intermediate electrode plates disposed between the input and output electrode plate pairs. A plasma torch is spaced apart from and inductively coupled to the input electrode plate pair. A pulsed DC voltage is applied to the plasma torch and X-plate, while a lower voltage pulsed DC voltage is applied to the input and output electrode plate pair to cause generation of hydrogen gas from an aqueous solution in which the cell is immersed.
Resumen de: EP4574255A1
In a method of preparing an ammonia decomposition catalyst according to embodiments of the present disclosure, a mixture of a metal oxide including lanthanum and a heterogeneous metal and aluminum oxide is prepared, the mixture was subj ected to steam treatment to form a carrier, and an active metal is supported on the carrier to prepare an ammonia decomposition catalyst. The ammonia decomposition catalyst according to embodiments of the present disclosure is prepared by the above-described preparation method.
Resumen de: EP4575040A1
A Ni-based porous electrode for water electrolysis comprising (a) a macroporous substrate having a specific thickness, porosity level, and a pore size; (b) a first layer of a metal or a metal alloy as defined herein covering the macroporous substrate; and (c) a second layer of Ni, a Ni-X alloy or a Ni-X-Y alloy as defined herein covering the first layer (b), wherein the Ni-based porous electrode is free from Pt-group metals and rare-earths; a process for the manufacturing of the Ni-based porous electrode; the use of the Ni-based porous electrode to catalyze the hydrogen evolution reaction (HER); and a water electrolyzer comprising the Ni-based porous electrode.
Resumen de: EP4575036A1
Die Erfindung betrifft eine Elektrolyseanordnung (10) mit einer Stackanordnung (16), wobei in der Stackanordnung (16) genau eine Eduktgas-Manifoldstruktur (66) zur Bereitstellung von Eduktgas an die Elektrolysezellen (18) und genau eine Produktgas-Manifoldstruktur (68) zum Abführen von Produktgas von den Elektrolysezellen (18) ausgebildet sind, wobei die Stackanordnung (16) eine Eduktgas-Öffnung zur Einleitung von Eduktgas in die Eduktgas-Manifoldstruktur (66) und eine Produktgas-Öffnung zur Ausleitung von Produktgas aus der Produktgas-Manifoldstruktur (68) aufweist, wobei die Eduktgas-Manifoldstruktur (66) und die Produktgas-Manifoldstruktur (68) innerhalb der Stackanordnung (16) jeweils mittels in den Interkonnektoren eingearbeiteten Manifoldöffnungen ausgebildet sind, wobei zwischen der Membran-Elektroden-Anordnung und dem Interkonnektor zumindest einiger Elektrolysezellen eine zur Leitung von Eduktgas aus der Eduktgas-Manifoldstruktur heraus entlang der Wasserstoffseite der Membran-ElektrodenAnordnungen und hin zur Produktgas-Manifoldstruktur ausgebildete Eduktgas-Leitungsstruktur angeordnet ist, und wobei zumindest einige Membran-ElektrodenAnordnungen auf ihrer Sauerstoffseite eine sauerstoffdurchlässige Struktur aufweisen, und wobei die sauerstoffdurchlässige Struktur derart angeordnet und ausgebildet ist, dass ein an der Sauerstoffseite der Membran-Elektroden-Anordnung freigesetzter Sauerstoff in den Innenraum des Gehäuses (12) ableitbar ist.
Resumen de: EP4575039A1
Die Erfindung betrifft ein Verfahren zur Herstellung einer Elektrolyseanordnung umfassend wenigstens ein Gehäuse mit einem Innenraum, und wenigstens einer im Innenraum des Gehäuses angeordneten Stackanordnung, wobei die Stackanordnung mehrere in eine Stapelrichtung gestapelte Elektrolysezellen umfasst, wobei zumindest einige der Elektrolysezellen jeweils eine Membran-Elektroden-Anordnung und einen Interkonnektor umfassen, und wobei die Membran-Elektroden-Anordnung und der Interkonnektor jeweils eine Sauerstoffseite und eine Wasserstoffseite aufweisen, wobei in einem Vorbereitungsschritt zur Herstellung einer Membran-Elektroden-Anordnungen auf den zwei Oberflächen einer Elektrolyt-Membran jeweils mindestens eine pastöse Schicht aufgebracht wird, wobei mindestens eine der Schichten auf jeweils einer Oberfläche zur Ausbildung einer auf der Wasserstoffseite der Membran-Elektroden-Anordnungen ausgebildeten ersten Elektrode und einer auf der Sauerstoffseite der Membran-Elektroden-Anordnungen ausgebildeten zweiten Elektrode dient, in einem Vorbereitungsschritt ein Dichtungsmaterial, umfassend Glas und/oder Glaskeramik auf die Interkonnektoren aufgebracht wird, in einem Montageschritt die vorbereiteten Interkonnektoren und Membran-Elektroden-Anordnungen abwechselnd zu einem Stapelverbund gestapelt werden, und in einem Montageschritt der Stapelverbund unter Einwirkung von thermischer Energie und einer auf den Stapelverbund in Stapelrichtung nach innen gerichteter mechanischer Spa
Resumen de: KR20250092336A
본 발명에 의하면, 수저해 시스템; 및 상기 수전해 시스템을 원자력 발전 시스템과 연계시키는 중간 열교환 시스템을 포함하며, 상기 수전해 시스템은, 저온 수전해 방식으로 전해수를 수소와 산소로 전기분해하여 수소를 생성하고 상기 원자력 발전 시스템으로부터 상기 전기분해에 필요한 전력을 공급받는 수전해기와, 상기 수전해기로부터 생성된 수소가스를 냉수와 열교환시켜서 냉각하는 수소가스 냉각기를 구비하며, 상기 전해수는 상기 수전해기에 순환 공급되며, 상기 중간 열교환 시스템은 전해수 열교환기와, 흡수식 냉동기와, 냉동기 열교환기를 구비하며, 상기 전해수 열교환기는 상기 전해수를 상기 원자력 발전 시스템에 구비되는 증기 발생기로 공급되는 급수와 열교환시켜서 상기 전해수를 냉각하고 상기 급수를 가열하며, 상기 냉수가 상기 흡수식 냉동기의 냉동기 냉수로서 상기 흡수식 냉동기와 상기 수소가스 냉동기 사이를 순환하고, 냉동기 온수가 상기 흡수식 냉동기와 상기 냉동기 열교환기 사이를 순환하며, 상기 냉동기 열교환기는 상기 냉동기 온수를 상기 원자력 발전 시스템에 구비되는 증기 발생기로 공급되는 급수와 열교환시켜서 상기 급수를 가열하는 원자력 발전 연계형 수소 생산 설비가 제공
Resumen de: KR20250092308A
본 발명에 의하면, 메탄을 포함하는 메탄 원료가스에 대한 자열 개질 반응을 수행하여 수소를 포함하는 개질가스를 생산하는 자열 개질 반응기; 및 상기 자열 개질 반응기로 상기 자열 개질 반응에 필요한 산소를 공급하는 산소 공급부를 포함하며, 상기 산소 공급부는 물을 수소와 산소로 전기분해하는 수전해기에서 생성된 부생산소를 상기 자열 개질 반응기에 공급하는 부생산소 공급 시설을 구비하는 자열 개질 수소 생산 설비가 제공된다.
Resumen de: US2025198025A1
A method of operating an electrolyzer module includes providing a first air stream and steam into a stack of electrolyzer cells located in a hotbox and outputting a product stream containing hydrogen and steam, and an oxygen exhaust stream, providing the product stream to an internal product cooler (IPC) heat exchanger located in the hotbox to reduce the temperature of the product stream by transferring heat to the first air stream, and providing the product stream from the IPC to an external product cooler (EPC) heat exchanger located outside of the hotbox and inside of a cabinet housing the hotbox to further reduce the temperature of the product stream by transferring heat to a fluid stream.
Resumen de: KR20250092966A
본 발명은 티타늄 다공막 제조방법과 관련된다. 본 발명은 실시예로, 본 발명의 소결체 상태의 티타늄 다공막을 피도금재로서 준비하는 제1단계, 샌드 블라스팅 공정 및 산세정액을 이용하여 상기 티타늄 다공막 표면에 형성된 산화막을 제거하는 제2단계, 상기 제2단계에서 표면처리된 티타늄 다공막의 표면에 백금을 도금하는 제3단계 및 상기 제3단계에서 얻어진 백금 도금 티타늄 다공막을 400-800℃로 열처리하는 제4단계를 포함하는 티타늄 다공막 제조방법을 제시한다.
Resumen de: KR20250093044A
본 발명의 예시적인 실시예들에 따르면, 수소 생산 시스템이 제공된다. 상기 수소 생산 시스템은, 스팀 공급부로부터 제공받은 제1 스팀을 전기 분해하여 수소 및 산소를 포함하는 제1 가스를 제공하도록 구성된 제1 고체산화물 수전해 셀을 포함하는 제1 SOEC 부; 물을 포함하는 냉매를 이용하여 상기 제1 가스를 냉각하고, 제2 스팀과 상기 수소 및 산소를 포함하는 제2 가스를 제공하도록 구성된 열교환부; 및 상기 제2 스팀을 전기 분해하여 산소 및 수소를 포함하는 제3 가스를 제공하도록 구성된 제2 고체산화물 수전해 셀을 포함하는 제2 SOEC 부; 를 포함하고, 상기 제1 스팀은, 상기 제1 고체산화물 수전해 셀의 작동 온도와 같거나, 상기 제1 고체산화물 수전해 셀의 작동 온도보다 높은 온도로 상기 제1 고체산화물 수전해 셀에 공급된다.
Resumen de: AU2023369983A1
The present invention relates to stack module with at least one Solid Oxide electrolysis stack that comprises a plurality of stacked Solid Oxide electrolysis cells, wherein the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, the at least one Solid Oxide electrolysis stack is encapsulated in a metal container, wherein the two gas inlet connections and the two gas outlet connections are attached to the metal container. The invention further relates to Solid Oxide Electrolyzer with at least one stack module and a method of exchanging a stack module of a Solid Oxide Electrolyzer.
Resumen de: DE102023213299A1
Die Erfindung betrifft ein Verfahren zum Rückführen von Kathodenmedium (7) in einem Elektrolyseuraggregat (1), insbesondere einem PEM- oder AEM-Elektrolyseuraggregat (1), wobei zeitlich vor einem Wiedereinspeisen des einen Elektrolysezellenstapel (10) des Elektrolyseuraggregats (1) verlassenden Kathodenmediums (7) in ein Mediumreservoir (23) einer Mediumversorgung (20) des Elektrolyseuraggregats (1), ein im Kathodenmedium (7) vorliegender Wasserstoff (8) abgetrennt wird, und ferner zeitlich vor dem Wiedereinspeisen des Kathodenmediums (7) in das Mediumreservoir (23), in einem Verdünnschritt (V) des Rückführverfahrens dem Kathodenmedium (7) frisches Versorgungsmedium (3) zugeführt und derart eine Konzentration von Wasserstoff (8) im Kathodenmedium (7) verringert wird.
Resumen de: WO2025041808A1
Provided is an electrode exhibiting high oxygen generating electrode catalytic activity as compared with conventional electrodes using manganese-based oxide as an oxygen generating electrode catalyst.
Nº publicación: JP2025093724A 24/06/2025
Solicitante:
日本メディア株式会社
Resumen de: WO2025126639A1
Provided is a method for producing a hydrogen gas, which enables the production of a hydrogen gas with high energy efficiency. This method for producing a hydrogen gas includes: placing water between electrodes; and allowing pulsed discharge to occur between the electrodes to decompose water molecules, thereby generating the hydrogen gas. In the method, the frequency for the pulsed discharge is 190-196 kHz or a double vibration frequency thereof.