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477
resultados
Última actualización
10/09/2025 [07:02:00]
Resultados 350 a 375 de 477
Resumen de: GB2637456A
An electrolyser system (10) comprising a heat storage unit (14) and an electrolyser (16) is described. The heat storage unit (14) comprises at least one heat source infeed. The electrolyser (16) comprises at least one electrolyser cell (20), a steam inlet and at least one off-gas outlet. The off-gas outlet is connected to the heat source infeed to heat the heat storage unit (14). The heat storage unit (14) is configured to use its stored heat to produce steam for feeding into the steam inlet and for generating electrical power, either one at a time or both at the same time. The invention also provides a system comprising an intermittent or variable electricity source (12) and an electrolyser system (10) as defined above. The intermittent or variable electricity source (12) can be configured to power the electrolyser (16) and to heat the heat storage unit (14) via a heating element, either both at the same time or individually.
Resumen de: AU2023290620A1
The disclosure relates to systems and methods for continuous hydrogen production using photocatalysis. Specifically, the disclosure relates to systems and methods for continuous hydrogen production using photocatalysis of water utilizing semiconductor charge carriers immobilized on removable carriers in the presence of a reducing agent such as tertiary amines.
Resumen de: CN119547229A
The invention relates to a bipolar plate (100) for a chemical energy converter (200, 300). The bipolar plate (100) comprises:-a plurality of channels (101) for conducting an operating medium of the energy converter (200, 300),-a plurality of supply openings (103) for supplying the plurality of channels (101) with an operating medium,-a plurality of distribution channels (105) for distributing the operating medium onto the plurality of channels (101), each distribution channel (105) of the plurality of distribution channels (105) extends between a corresponding supply opening (103) of the plurality of supply openings (103) and a corresponding channel (101) of the plurality of channels (101), and wherein the distribution channels (105) of the plurality of distribution channels (105) extend between the corresponding supply opening (103) of the plurality of supply openings (103) and the corresponding channel (101) of the plurality of channels (101). Each supply opening (103) of the plurality of supply openings (103) has an at least partially curved edge region at least on a distribution channel side facing a corresponding distribution channel (105) of the plurality of distribution channels (105).
Resumen de: KR20250115305A
본 발명은 알카라인 수전해 셀에 사용되는 고활성 산소 발생 전극의 제조방법에 관한 것으로, 본 발명에 따르면, 니켈 전극의 표면에 수증기를 노출시키는 간단한 방법으로 니켈 전극의 표면에 NiOOH 및 Ni(OH)2를 포함한 수산화물 층의 형성을 유도하였으며, 형성된 수산화물 층 중 특히 NiOOH는 산소 발생 반응(OER)의 활성을 향상시키고 과전위를 낮추며, 전하 이동 역학을 개선하여 니켈 전극의 산소 발생 반응 성능 및 장기안정성을 현저하게 향상시키므로, 상기 수산화물 층이 형성된 니켈 전극은 수전해 산소 발생 전극으로서 유용하게 사용될 수 있다.
Resumen de: MX2025004437A
Electrochemical cell system (100) which comprises an electrochemical cells arrangement (10), a control unit (20) configured to operate the electrochemical cells arrangement (10) only as electrolytic cells or only as fuel cells, a heat unit (40), external to the electrochemical cells arrangement (10), which is thermally coupled to the electrochemical cells arrangement (10) and which is configured to alternately store heat from the electrochemical cells arrangement (10) to the heat unit (40) and supply heat from the heat unit (40) to the electrochemical cells arrangement (10), and a transfer arrangement (30) configured to alternately transfer heat from the electrochemical cells arrangement (10) to the heat unit (40) and from the heat unit (40) to the electrochemical cells arrangement (10).
Resumen de: KR20250114200A
본 발명은 수소생산장치에 관한 것이다. 구체적으로 본 발명의 일 실시예에 따르면, 암모니아가스 공급구 및 개질가스 배출구가 형성되는 본체부; 상기 암모니아가스 공급구에 연결되고, 상기 암모니아가스 공급구로부터 암모니아 가스가 유입되는 암모니아가스 매니폴드; 상기 암모니아가스 매니폴드에 연결되고, 상기 암모니아가스 매니폴드로부터 유입된 상기 암모니아가스가 개질가스로 개질되기 위한 개질공간이 형성되는 개질부; 상기 개질부를 둘러싸도록 배치되어 상기 개질부를 가열시킴으로써, 상기 암모니아가스를 개질시키는 가열부; 및 상기 개질부와 상기 개질가스 배출구에 연결되고, 상기 개질부로부터 유입되는 상기 개질가스가 상기 개질가스 배출구로 유동되기 위한 통로를 제공하는 개질가스 매니폴드를 포함하는, 수소생산장치가 제공될 수 있다.
Resumen de: AU2023327787A1
The invention provides an electrolytic cell, comprising: a working electrode; a counter electrode; a liquid electrolyte in contact with a working surface of the working electrode; an acoustically transmissive substrate comprising at least a piezoelectric substrate portion; one or more conductive electrodes coupled to the piezoelectric substrate portion and configured to propagate a high frequency acoustic wave having a frequency of at least 1 MHz across the acoustically transmissive substrate when electrically actuated; and one or more power supplies configured (i) to apply a potential between the working electrode and the counter electrode sufficient to electrolytically react a species in the liquid electrolyte, thereby producing an electrolytic reaction product proximate the working electrode, and (ii) to electrically actuate the one or more conductive electrodes, wherein the working electrode is either located on the acoustically transmissive substrate or spaced apart from the acoustically transmissive substrate by the liquid electrolyte, and wherein propagation of the high frequency acoustic wave across the acoustically transmissive substrate in operation of the electrolytic cell stimulates the liquid electrolyte, thereby increasing the production efficiency of the electrolytic reaction product.
Resumen de: CN120167017A
A process for co-production of carbon monoxide and hydrogen is discussed herein, the process comprising: (a) providing an electrochemical reactor having an anode, a cathode, and a hybrid conductive membrane positioned between the anode and the cathode; (b) introducing a first stream into the anode, wherein the first stream comprises a fuel; (c) introducing a second stream into the cathode wherein the second stream comprises carbon dioxide and water wherein carbon monoxide is electrochemically generated from carbon dioxide and hydrogen is electrochemically generated from water. In an embodiment, the anode and the cathode are separated by the membrane, and both are exposed to a reducing environment during the entire operating time.
Resumen de: FR3158519A1
Installation (1) de production de dihydrogène comprenant un dispositif (2) de purification d’eau, un dispositif (3) de chauffage de l’eau ainsi purifiée pour former de la vapeur d’eau et un électrolyseur (4) configuré pour former au moins un flux de dihydrogène à partir de la vapeur d’eau. Le dispositif de chauffage (3) étant de préférence configuré pour récupérer de la chaleur fatale. Procédé correspondant. Figure pour l’abrégé : Fig. 1
Resumen de: WO2025154892A1
The present invention relates to a stepwise system and method for producing lime and hydrogen using by-product gypsum and the system includes: a lime production unit that reacts the by-product gypsum with a hydroxide of an alkali metal to produce lime and alkali metal sulfate, an electrolysis unit that electrolyzes the aqueous solution of the generated alkali metal sulfate to produce alkali metal hydroxide and hydrogen, and a circulation unit that provides the produced alkali metal hydroxide back to the lime production unit.
Resumen de: WO2024133283A1
An alkaline water electrolyzer (200) comprising an electronic controller (Cont), a stack (Stck) of electrolysis cells each comprising an anode and a cathode, the electrolyzer being configured to contain an electrolyte made of an anolyte (AnKOH) and a catholyte (CathKOH), the electrolyzer comprising a system (Sys) controlled by the electronic controller (Cont) configured to maintain a concentration of an impurity in the electrolyte within a target range by measuring a characteristic representative of the concentration of the impurity in the electrolyte and, in response to the measured concentration of the impurity, add a quantity of the impurity into the electrolyte.
Resumen de: US2025018339A1
Disclosed are a method and an apparatus for carbon capture coupled hydrogen production. The method includes: capturing low-concentration CO2 by a solution of an alkali metal hydroxide to obtain a low-concentration CO2 absorption solution; capturing high-concentration CO2 by a first portion of the low-concentration CO2 absorption solution to obtain a high-concentration CO2 absorption solution; and performing electrolysis by a second portion of the low-concentration CO2 absorption solution as a catholyte solution, using the high-concentration CO2 absorption solution as an anolyte, and using a non-ionic diaphragm as a diaphragm. According to the method, capture of CO2 in a wide concentration range can be realized; electrolysis is performed by a non-ionic diaphragm, to implement regeneration of an absorption solution coupled hydrogen production; capture costs of CO2 in a wide concentration range can be reduced; additional products of H2 and O2 can be obtained; and hydrogen production costs can be reduced.
Resumen de: US2025236961A1
A device (1) for performing electrolysis of water is disclosed. The device comprising: a semiconductor structure (10) comprising a surface (11) and an electron guiding layer (12) below said surface (11), the electron guiding layer (12) of the semiconductor structure (10) being configured to guide electron movement in a plane parallel to the surface (11), the electron guiding layer (12) of the semiconductor structure (10) comprising an InGaN quantum well (14) or a heterojunction (18), the heterojunction (18) being a junction between AlN material and GaN material or between AlGaN material and GaN material; at least one metal cathode (20) arranged on the surface (11) of the semiconductor structure (10); and at least one photoanode (30) arranged on the surface (11) of the semiconductor structure (10), wherein the at least one photoanode (30) comprises a plurality of quantum dots (32) of InxGa(1-x)N material, wherein 0.4≤x≤1. Also a system comprising such device is disclosed.
Resumen de: KR20250112431A
본 발명의 실시예에 따르면, 배터리로부터 공급되는 전력을 활용하여 물탱크에 저장되었던 물에 대한 전기 분해를 수행하는 전기 분해기; 및 상기 전기 분해기에 의해 생성된 수소를 운송 수단의 엔진 연소실과 연결되는 흡기 통로에 공급하는 수소 공급 장치를 포함하는, 운송 수단의 수소 발생 시스템이 제공된다.
Resumen de: US2025236967A1
A membrane in an electrochemical cell may be electrically and/or mechanically coupled to a flow-field plate using a conductive adhesive. Various types of adhesives with conductive particles may be used. The adhesive may be selected such that in the fluid phase it is able to diffuse through one or more porous layers of the electrochemical cell, such as a liquid/gas diffusion layer. In some cases, the use of conductive adhesive may increase the level of inter-component electrical contact that may be achieved for a given level of compressive force applied between the components in the electrochemical cell.
Resumen de: US2025236972A1
Electrolyzer for production of hydrogen gas and comprising a stack of bipolar electrodes sandwiching ion-transporting membranes between each two of the bipolar electrodes. Each bipolar electrode comprises two metal plates welded together back-to-back forming a coolant compartment in between and having a respective anode surface and an opposite cathode surface, each of which is abutting one of the membranes. The plates are embossed with a major vertical channel and minor channels in a herringbone pattern for transport of oxygen and hydrogen gases. The embossed herringbone pattern is provided on both sides of the metal plates so as to also provide coolant channels in a herringbone pattern inside the coolant compartment.
Resumen de: US2025236969A1
A Ni-based porous electrode for water electrolysis including (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 covering the first layer. 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). A water electrolyzer comprising the Ni-based porous electrode.
Resumen de: US2025236962A1
Herein discussed is a hydrogen production system comprising a first reactor zone and a second reactor zone, wherein both reactor zones comprise an ionically conducting membrane, wherein the first zone is capable of reforming a hydrocarbon electrochemically and the second zone is capable of performing water gas shift reactions electrochemically, wherein the electrochemical reforming reactions involve the exchange of an ion through the membrane to oxidize the hydrocarbon and wherein electrochemical water gas shift reactions involve the exchange of an ion through the membrane and include forward water gas shift reactions, or reverse water gas shift reactions, or both. In an embodiment, the membrane is mixed conducting. In an embodiment, the membrane comprises an electronically conducting phase and an ionically conducting phase.
Resumen de: US2025236960A1
Described is a system and method for green hydrogen production via electrolysis. The system includes a steam boiler unit configured to produce a discharged waste water stream, an electrolysis unit configured to produce hydrogen and oxygen from the discharged waste water stream; and a hydrogen storage unit for storing a portion of the hydrogen produced by the electrolysis unit as a product.
Resumen de: US2025236964A1
Electrochemical cells having recombination layers are disclosed herein. One example of such a cell includes a membrane configured to be positioned between an anode flow field and a cathode flow field of the electrochemical cell. The cell further includes a recombination layer configured to be positioned between the anode flow field and at least a portion of the membrane. The recombination layer includes a catalyst configured to assist in a formation of water from hydrogen gas and oxygen gas produced within the electrochemical cell, therein mitigating any hydrogen gas crossover from a cathode side to an anode side of the electrochemical cell.
Resumen de: US2025236968A1
A method and an apparatus for a cooling of an electroyzer unit is described. The apparatus receives a temperature value associated with ambient air in proximal to the electrolyzer unit. The apparatus compares the temperature value with a predefined temperature threshold. The apparatus controls a supply of a liquid air stream from an air separation unit to a first heat exchanger unit based on the comparison. The apparatus control the first heat exchanger unit to mix the liquid air stream with the ambient air. The mixing of the liquid air stream and the ambient air causes transfer of heat therebetween. The apparatus controls a cooling of the electrolyzer unit based on the mixing.
Resumen de: US2025236517A1
A dehydrogenation reaction device includes a chemical hydride storage unit including a chemical hydride storage tank, a reaction unit including an acid aqueous solution storage tank, and a dehydrogenation reactor configured to generate hydrogen by reacting a chemical hydride with an acid aqueous solution, and a hydrogen storage unit including a hydrogen storage tank configured to store the hydrogen produced in the dehydrogenation reactor. The dehydrogenation reactor includes a body portion made of a metal and a reinforcement portion surrounding the outer surface of the body portion and including fiber reinforced plastic (FRP).
Resumen de: US2025236541A1
Methods, systems and devices for removing iodide from an aqueous solution including submerging an iodophilic electrode in an aqueous solution containing iodide, applying a current to the electrode, and electrochemically oxidizing the iodide to iodine within the electrode. The electrode may include an iodophilic material and an electrically conductive material. It may also include a binder. The iodophilic material may be a starch, chitosan, carboxycellulose, cationic polymer, or an anion exchange membrane material, for example. After oxidizing the iodide to iodine within the electrode, the electrode may be submerged in a second solution and a current may be applied to reduce the iodine and release it from the electrode in the form of iodide into the second solution.
Resumen de: US2025236542A1
Provided is an apparatus and a method of desalinating saltwater and transporting hydrogen ions using Ion Concentration Polarization (ICP), the apparatus including: a channel part including a channel allowing saltwater to be introduced thereinto, an ion-selective membrane connected to the channel, and a cathode and an anode for applying a voltage to both ends of the channel; a desalination part configured to obtain fresh water from the saltwater with ionic substances removed from the saltwater by ion concentration polarization in a first region adjacent to the anode of the ion-selective membrane; and a hydrogen gas production part configured to concentrate the ionic substances in a second region adjacent to the cathode of the ion-selective membrane and to reduce hydrogen ions (H+) contained in the ionic substances.
Nº publicación: US2025235819A1 24/07/2025
Solicitante:
USA FORTESCUE IP INC [US]
USA Fortescue IP, Inc
Resumen de: US2025235819A1
An environmental control system employs an electrolysis cell utilizing an anion conducting membrane. A power supply is coupled across the anode and cathode of the electrolysis cell to drive reactions to reduce oxygen and/or carbon dioxide in an output gas flow. A cathode enclosure may be coupled with the electrolysis cell and provide an input gas flow and receive the output gas flow. A first electrolysis cell may be utilized to reduce the carbon dioxide concentration in an output flow that is directed to a second electrolysis cell, that reduces the concentration of oxygen. The oxygen and/or carbon dioxide may be vented from the system and used for an auxiliary purpose. An electrolyte solution may be configured in a loop from a reservoir to the anode, to provide a flow of electrolyte solution to the anode. Moisture from the cathode may be collected and provided to the anode.
BOPI
Sede Electrónica
