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789
resultados
Última actualización
15/09/2026 [08:08:00]
Resultados 125 a 150 de 789
Resumen de: WO2025190563A1
The invention relates to a process for obtaining hydrogen from water, in which an oxidation unit is supplied with a pumpable suspension of zinc particles in alkaline solution, zinc is oxidized electrochemically or thermally to zinc oxide in the oxidation unit (3) with release of hydrogen, the suspension leaving the oxidation unit (3) is fed to a reduction unit (4), and zinc oxides formed in the course of oxidation in the reduction unit (4) are electrochemically reduced to zinc with release of oxygen, and then the suspension leaving the reduction unit (4) is fed back to the at least one oxidation unit (3).
Resumen de: EP4796672A1
0001 Es wird ein Verfahren zur Herstellung von Wasserstoff unter Verwendung einer Elektrolyseanordnung (1000) mit einer Elektrolysevorrichtung (100) und einer Verdichtervorrichtung (500) vorgeschlagen, wobei der Elektrolysevorrichtung (100) ein Elektrolysewasser enthaltender Wasserstoffstrom (101) entnommen und zumindest zu einem Teil als Verdichtereinsatzstrom einer Verdichtung zugeführt wird. Hierbei ist vorgesehen, dass der Verdichtereinsatzstrom zumindest einen Teil des Elektrolysewasser des Wasserstoffstroms (101) umfasst und die Verdichtung unter Verwendung eines Turboverdichters (550) durchgeführt wird. Eine entsprechende Elektrolyseanordnung (1000) wird ebenfalls vorgeschlagen.
Resumen de: WO2025082916A1
The invention relates to a unit (200) for producing hydrogen that comprises: - a stack (102) of solid oxide cells, - an air circuit (110), and a fuel circuit (120) passing through the stack (102); characterised in that the unit (200) is equipped with a stopping system comprising: - an inlet (202) and an outlet (204) for neutral gas, for circulating a predetermined neutral gas in the stack; - an inlet (206) and an outlet (208) for safety gas, for circulating a safety gas in the stack (102); and - a control module (210) for switching the stack (102) from the production configuration to the stopped configuration. The invention also relates to a method for controlling such a unit.
Resumen de: WO2022002904A1
A separator for alkaline electrolysis comprising a porous support (10) and a first (20b) and second (30b) porous layer provided on respectively one side and the other side of the porous support, characterized in that the porous support has a thickness (d1) of 150 µm or less and the total thickness (d2) of the separator is less than 250 µm. Also a method is disclosed wherewith such a separator may be prepared.
Resumen de: WO2025053532A1
The present invention relates to a membrane electrode assembly manufacturing method comprising the steps of: (S1) forming a first catalyst layer on the other surface of a separation membrane having a first carrier film attached to one surface thereof; (S2) attaching a second carrier film to the other surface of the separation membrane on which the first catalyst layer is formed; (S3) removing the first carrier film attached to one surface of the separation membrane; and (S4) forming a second catalyst layer on one surface of the separation membrane from which the first carrier film is removed, wherein the second carrier film includes a first area corresponding to the first catalyst layer on the other surface of the separation membrane, and a second area, which is the remaining area that excludes the first area, and the second area of the second carrier film is coated with an adhesive on a surface facing the other surface of the separation membrane on which the first catalyst layer is formed.
Resumen de: WO2025165987A1
Methods and systems for hydrogen production from inert sodium salts are described herein. In an example method, steam is generated by a nuclear reactor power plant system. The steam is applied to sodium formate to facilitate one or more thermal and/or hydrothermal decomposition processes, thereby generating hydrogen. In the example method, sodium formate is generated by combining sodium hydroxide generated by an electrolysis process with sodium carbonate and/or sodium bicarbonate generated by a carbon capture process. Embodiments can be used to supply hydrogen storage facilities and/or for energy production.
Resumen de: GB2632092A
A method of producing hydrogen is described. The method comprises conducting a thermochemical reaction by contacting an active reagent and a basic aqueous solution, for example the hydrolysis of zinc in sodium hydroxide solution, which causes water from the basic aqueous solution to react with the active reagent and to produce hydrogen and a basic aqueous solution comprising an oxidised product. The method further comprises disposing the basic aqueous solution comprising the oxidised product in an electrochemical cell comprising an anode and a cathode, such that at least a portion of the cathode contacts the solution; and conducting an electrochemical reaction by applying a voltage across the anode and the cathode to produce hydrogen, oxygen and the active reagent. The active reagent comprises a metal or metal ion in a first oxidation state and the oxidised product comprises the metal or metal ion in a second oxidation state which is higher than the first oxidation state. Both the electrochemical and thermochemical reactions can be operated continuously.
Resumen de: KR20260127489A
0001a 본 발명의 일 실시예는 탄소 기반의 희생 템플릿을 구비하는 단계; 상기 희생 템플릿에 Fe 전구체, Co 전구체, Mn 전구체, Zn 전구체, 및 Mg 전구체를 첨가하여 혼합물을 형성하는 단계; 상기 혼합물을 열처리(Heat treatment)하는 단계; 및 상기 열처리한 혼합물을 하소(calcination)하는 단계;를 포함하는 것을 특징으로 하는 3-dm 스피넬 구조의 고엔트로피 산화물(S-HEO) 제조방법을 제공한다.
Resumen de: KR20260127500A
0001a 본 발명은 폴리벤지미다졸계 고분자; 및 상기 폴리벤지미다졸계 고분자에 분산된 세륨계 화합물;을 포함하는 고분자 전해질막에 관한 것이다. 본 발명의 폴리벤지미다졸계 고분자 전해질막은 음이온교환막(AEM) 수전해 장치 또는 음이온교환막 연료전지(AEMFC)에 사용되고, 세륨계 화합물이 라디칼 스캐빈저(radical scavenger)로 작용함으로써 수전해 장치 또는 연료전지이 작동 중 발생하는 하이드록시 라디칼(-OH)이 전해질막을 분해시키는 것을 방지하여 폴리벤지미다졸계 고분자 전해질막의 장기 안정성을 향상시킬 수 있다.
Resumen de: WO2025137608A1
Described herein are reinforced ionomeric polymer membranes comprising ionomeric linear, random, or statistical polymers and/or copolymers, and a porous scaffold reinforcement. Such reinforced ionomeric polymer membranes are used in electrochemical devices such as fuel cells, electrolyzers, hydrogen pumps, thermoelectrochemical hydrogen pumps, electrochemical hydrogen compressors, redox flow batteries, and other electrochemical devices, and have application in fuel cells, water electrolyzers, hydrogen compression, hydrogen decompression, water purification, and battery products. The reinforced ionomeric polymer membranes are prepared by both benchtop and automatic (i.e., machine, roll-to-roll) methods.
Resumen de: WO2025071002A1
The present invention relates to a biogas-based electrochemical hydrogen extraction and separation system comprising a solid oxide fuel cell and a solid oxide water electrolysis cell, and a method for operating same. Specifically, the biogas-based electrochemical hydrogen extraction and separation system comprising a solid oxide fuel cell and a solid oxide water electrolysis cell is characterized by comprising: a fuel supply part for supplying biogas as fuel; a first reaction part for reforming the biogas supplied through the fuel supply part so as to generate a first reformed gas; a second reaction part for secondarily reforming the first reformed gas so as to generate a second reformed gas; a third reaction part for receiving the second reformed gas generated in the second reaction part and generating electricity; a fourth reaction part for receiving unreacted gas generated in the third reaction part and using the unreacted gas as fuel, and receiving steam generated in the third reaction part and generating hydrogen; and a power converter which receives the electricity generated in the third reaction part and supplies the electricity to the first reaction part and the fourth reaction part.
Resumen de: TR2026010714A2
Bu buluş; fotoelektrokimyasal hidrojen üretimi alanında, ulaşım sektörü, mobil uygulamalar ve yerleşik uygulamalarda kullanılabilecek hidrojen yakıtının üretimi amacıyla, bizmut vanadatın (BiVO?) fotoelektrokimyasal aktivitesinin artırılması için elektrokimyasal büyütme sırasında kobalt (Co) ve krom (Cr) ile birlikte katkılanması sonucu elde edilen Co ve Cr katkılı BiVO? yarı iletkeni ile ilgilidir.
Resumen de: JP7562889B1
To provide an electrolytic cell stack capable of increasing the amount of products generated by electrolysis while suppressing temperature rise of the cell stack.SOLUTION: An electrolytic cell stack 101 according to the present disclosure comprises an electrolytic unit cell 105 having a hydrogen electrode comprising Ni, an oxygen electrode, and a solid electrolyte membrane, the electrolytic unit cell being formed in a circumferential direction of a substrate tube, and an interconnector for electrically connecting a plurality of electrolytic unit cells arranged in an axial direction of the substrate tube, wherein when a distance from end to end of the oxygen electrode facing the axial direction of the substrate tube in one electrolytic unit cell is defined as a width W of the electrolytic unit cell, and when a region on the substrate tube where the plurality of electrolytic unit cells are arranged is divided into a first end portion 10, a central portion 11, and a second end portion 12 along the axial direction, widths W1, W3 of the electrolytic unit cells 105b, 105c located in the first end portion and/or the second end portion are larger than a width W2 of the electrolytic unit cell 105a located in the central portion.SELECTED DRAWING: Figure 1
Resumen de: AU2025345105A1
An electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The system comprises an absorption device (1), an electrolytic hydrogen production device (2), a first gas-liquid separation device (3) and a second gas-liquid separation device (4). The electrolytic hydrogen production device (2) comprises an anode chamber (21), an intermediate chamber (22) and a cathode chamber (23), which are separated by anion exchange membranes (24). In addition, the present invention further relates to a method for using the electrolytic hydrogen production system coupled with capturing carbon dioxide from flue gas. The method comprises: absorbing carbon dioxide from flue gas by using the absorption device (1); allowing the obtained absorption liquid to enter the anode chamber (21), so as to obtain a carbon-dioxide-containing gas-liquid mixture; allowing the gas-liquid mixture to enter the first gas-liquid separation device (3) to undergo separation, so as to obtain carbon dioxide and a first separation liquid; allowing the first separation liquid to enter the intermediate chamber (22), so as to realize the regeneration of the absorbent under the action of ion exchange; and returning the regenerated absorbent to the absorption device (1) again to continue the absorption of carbon dioxide.
Resumen de: KR20260126305A
0001a 재사용을 위한 전해액 회수장치 및 이를 포함하는 전해액 시스템이 개시된다. 본 발명에 따른 전해액 회수장치는 유체로부터 전해액을 포집하는 제1 다공체 및 포집된 전해액을 저장하는 저장부를 포함하는 하층, 하층의 제1 다공체를 통과한 유체를 열교환기를 사용하여 냉각하는 중층, 중층을 통과한 유체로부터 전해액을 포집하는 제2 다공체가 탑재된 상층 및 상층에서 회수된 전해액을 상기 저장부로 이동하도록 안내하는 회수유로를 포함한다.
Resumen de: US20260243230A1
0000 The invention relates to a system for generating energy in open water, in which an offshore wind turbine is releasably connected to a marine vehicle, which includes a transformer device for converting into lower and/or higher electrical voltage, an electrolysis device for generating hydrogen, and a tank for storing the hydrogen. The invention advantageously provides for dynamic changes between the operating modes of storage and transmission, redundancy and maintainability.
Resumen de: US20260242313A1
0000 A methanol plant and a process for the production of methanol is provided. A hydrogen recovery section receives off-gas stream from the methanol synthesis section and outputs a hydrogen-rich stream, which is recycled upstream the methanol synthesis section.
Resumen de: US20260242246A1
The present disclosure is directed to a geothermal hydrogen production and compression system, wherein the system comprises an impure water intake to receive water from a impure water source, at least one geothermal well having a well inlet to receive the impure water from the impure water intake in to the geothermal well and one or more well outlets adapted to return heated impure water from the geothermal well, one or more well outlets being adapted to direct the heated impure water from the geothermal well through a steam engine providing a mechanical output, a purification plant comprising one or more purification chambers for separating impurities from the heated impure water expelled from the steam engine to produce at least some fresh water, one or more discharge outlets to discharge one or more products of the purification plant wherein the fresh water is directed to an electrolyser for electrolysis to produce hydrogen gas, where the hydrogen gas is passed through a hydrogen compressor coupled to the mechanical output and pressurised in a storage apparatus.
Resumen de: US20260242958A1
0000 A ceramic reversible cell including any one or more selected from the group consisting of a perovskite-type metal oxide, a hydrate of the perovskite-type metal oxide and a hydride of the perovskite-type metal oxide, in which the any one or more selected from the group consisting of the perovskite-type metal oxide, the hydrate of the perovskite-type metal oxide, and the hydride of the perovskite-type metal oxide include A (A being any one or more selected from the group consisting of Ba, Sr and Ca), B (B being any one or more selected from the group consisting of Zr, Sn, Ce, Ti and Hf), and M (M being any one or more selected from the group consisting of In, Fe, Cr and Mn) as main metal atoms, and satisfy the predetermined formula and include hydride ions when brought into an equilibrium state by contact with dry hydrogen having a water content of 20 ppm or less in a volume ratio at 500° C. to 900° C.
Resumen de: US20260242957A1
0000 Herein discussed is an electrochemical reactor comprising a first electrode, wherein the first electrode is liquid when the reactor is in operation; a second electrode having a metallic phase and a ceramic phase, wherein the metallic phase is electronically conductive and wherein the ceramic phase is ionically conductive; and a membrane, wherein the membrane is positioned between the first and second electrodes and is in contact with the first and second electrodes, wherein the membrane is mixed conducting. Also discussed herein is a method of producing hydrogen or carbon monoxide comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a membrane between the anode and the cathode, wherein the anode is liquid when the reactor is in operation and wherein the membrane is mixed conducting; (b) introducing a feedstock to the anode; (c) introducing a stream to the cathode, wherein the stream comprises water or carbon dioxide.
Resumen de: AU2026210694A1
A hydrogen station 10 includes a water electrolysis device 12 that produces hydrogen gas by an electrolytic reaction consuming power supplied from a commercial power network 90, a compressor 14 that compresses the hydrogen gas produced by the water electrolysis device 12, an accumulator 16 that accumulates the hydrogen gas compressed by the compressor 14, a dispenser 18 that fills a fuel cell vehicle 92 with the hydrogen gas accumulated in the accumulator 16, and a control device 20 that controls a power consumption amount of the water electrolysis device 12 on the basis of a command for adjusting supply and demand of power of the commercial power network 90. ul u l
Resumen de: KR102625221B1
The present invention relates to an offshore platform capable of overcoming the intermittency of renewable energy and producing, storing, and supplying carbon-neutral fuels. According to the present invention, the offshore platform comprises: a main body located at sea; a hydrogen production unit disposed in the main body to produce and store hydrogen by electrolyzing seawater through a water electrolysis device; an ammonia production unit disposed in the main body and producing and storing ammonia by synthesizing the hydrogen flowing from the hydrogen production unit through a first synthesis device and nitrogen in the air; a carbon dioxide storage unit disposed in the main body and storing carbon dioxide flowing in from a ship; and a methanol production unit disposed in the main body to produce and store methanol by synthesizing the carbon dioxide flowing in from the carbon dioxide storage unit and the hydrogen flowing in from the hydrogen production unit through a second synthesis device.
Resumen de: WO2026173620A2
The reverse water-gas shift (RWGS) reaction, which is used to convert H2 and CO2 into syngas (H2+CO) is performed using nonstoichiometric metal oxides. The RWGS reaction is performed in two separate steps, achieving both high conversion and high energy efficiency. The reaction may be performed in a single reactor or in multiple reactors arranged in series or parallel. This could be powered either by heat generated by distributed energy sources, concentrated solar thermal (CST) heat, heat from traditional energy generation sources, and/or waste electrical power.
Resumen de: AU2025229653A1
The invention relates to a method for controlling an electrolyzing plant (10), comprising: providing electric energy from an electric power network (32) with a network AC voltage; rectifying the network AC voltage by a rectifying device (50, 52, 54, 56, 58, 60, 62, 64); supplying water to the electrolyzing device (34, 36); providing an AC filter current flow by an active filter device (100), wherein the AC filter current flow is controlled such that it conforms to network regulations of the electric power network; measuring the network AC voltage by using a voltage sensor (128) which provides a respective voltage sensor signal; comparing the voltage sensor signal with a first reference voltage value providing a comparing result; depending on the comparing result, causing the active filter device (100) to emit electric energy to or to receive electric energy from the electric power network.
Nº publicación: AU2025221792A1 20/08/2026
Solicitante:
SIEMENS ENERGY GLOBAL GMBH & CO KG
SIEMENS ENERGY GLOBAL GMBH & CO. KG
Resumen de: AU2025221792A1
The invention relates to a method for operating an electrolyzer (1) comprising an anode chamber (3) and a cathode chamber (5), in which water (H2O) is supplied as a reactant and hydrogen (H2) and oxygen (O2) are generated as product gases. On the anode side, the oxygen product gas, which also contains hydrogen as a foreign gas, is generated in a product flow out of the anode chamber (3) and is introduced into a horizontal anode-side collecting line (7) having a surrounding wall (11) and is removed via the collecting line (7), wherein water (H2O) is sprayed onto an inner surface of the surrounding wall (11) of the collecting line (7) so that the surrounding wall (11) is wetted with water and the inner surface is inerted. The invention additionally relates to an electrolyzer (1), in particular for carrying out the method.
BOPI
Sede Electrónica
