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873
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Última actualización
06/05/2025 [07:06:00]
Resultados 750 a 775 de 873
Resumen de: WO2025053761A1
The present invention relates to a water electrolyser system for production of compressed hydrogen, comprising a water electrolyser stack, a multiphase pump arranged downstream of the electrolyser stack and a hydrogen gas/liquid separator. The multiphase pump is arranged between the water electrolyser stack and the hydrogen gas/liquid separator. The present invention also relates to a method for production of compressed hydrogen in a water electrolyser system including: supplying deionized water or liquid electrolyte to a water electrolyser stack; producing hydrogen in a water electrolyser stack; compressing a mixture of produced hydrogen and entrained deionized water or liquid electrolyte in a multiphase pump; and separating the compressed mixture of produced hydrogen and entrained deionized water or liquid electrolyte in a hydrogen gas/liquid separator.
Resumen de: US2025084539A1
Large scale harvesting of renewable energy is proposed by using floating devices which use solar, wind, ocean current, and wave energy to produce compressed hydrogen by electrolysis of deep sea water. Natural ocean currents and winds are used to allow the devices to gather energy from over a large area with minimum transportation cost. The present approach uses a combination of well understood technologies in an optimized manner and at scale. Hydrogen produced in this manner would pave the way for carbon free energy economy.
Resumen de: US2025084545A1
A titanium substrate material includes: a substrate main body made of a sintered titanium particle body; and a titanium oxide film formed on the substrate main body, wherein a proportion of anatase titanium oxide among titanium oxide constituting the titanium oxide film is 90% or more. It may have a porosity of the substrate main body is within a range of 30% or more and 92% or less. It may have a compressive strength of the titanium substrate is 0.5 MPa or more.
Resumen de: US2025084550A1
Provided is an operation support apparatus including: a calculation unit which calculates, based on an electricity cost or an amount of power consumption for each of predetermined times associated with operation of a plurality of electrolyzers operating in parallel, an amount of production by time unit which is an amount of production of a product for each of the times that satisfies a target amount of production of the product, the product being produced by the plurality of electrolyzers over a predetermined period of time; and a specification unit which specifies an electrolyzer to be operated among the plurality of electrolyzers, based on the amount of production by time unit calculated by the calculation unit.
Resumen de: US2025084547A1
An electrode 10 includes, as a catalyst, an alloy including three or more base metal elements, in which the three or more base metal elements are nearly equal in atomic composition proportion, and form a solid solution. Also, an electrode 12 includes: a carbon fiber; and a catalyst including a base metal, at least a part of elements of the catalyst being chemically bonded to the carbon fiber. Further, the water electrolyzer includes an anode, a cathode, and a solid polymer electrolyte membrane provided between the anode and the cathode. The anode is the electrode 10, and/or the cathode is the electrode 12.
Resumen de: US2025083783A1
Described herein are inflatable wearable devices comprising: a reaction container having an expandable bladder, a dry powder compartment and a liquid compartment with a removable barrier between the compartments, the expandable bladder being connected to at least one of the dry powder compartment or the liquid compartment, and wherein the dry powder compartment comprises a mixture of an ionic hydride and a borohydride, and wherein the liquid compartment comprises an aqueous solution comprising a foam forming agent, and wherein upon removal of the barrier between the compartments, the aqueous solution contacts the mixture of an ionic hydride and a borohydride, thereby forming hydrogen gas foam.
Resumen de: US2025083966A1
A plant including a reverse water gas shift (RWGS) section including a first feed including hydrogen to the RWGS section, and a second feed including carbon dioxide to the RWGS section, or a combined feed comprising hydrogen and carbon dioxide to the e-RWGS section, a water removal section downstream the RWGS section, a compressor downstream the water removal section, and a cryogenic CO2 separation section downstream the compressor, wherein the plant has means for recycling at least a portion of a CO2 rich condensate to the RWGS section or to a feed to the RWGS section, and wherein the RWGS section is an electrically heated RWGS (e-RWGS) section.
Resumen de: WO2025051652A1
The invention relates to a method for operating an electrolysis plant (1), comprising a stack (2) having an anode (3) and a cathode (4), wherein in normal operation of the electrolysis plant (1), water is supplied to the anode (3) via a water circuit (5) with an integrated pump (6), said water being split in the stack (2) by electrolysis into hydrogen and oxygen, and wherein the hydrogen produced by electrolysis is supplied to a gas-liquid separator (8) via a cathode outlet (10) of the stack (2) and a media line (7) connected thereto. According to the invention, when the electrolysis plant (1) is switched off, the current density is reduced to 0 A/cm² and the media line (7) is shut off with the aid of a valve (9), while the anode (3) continues to be supplied with water via the water circuit (5) with the aid of the pump (6). The invention further relates to an electrolysis plant (1) that is suitable for carrying out the method or can be operated according to the method.
Resumen de: US2025087718A1
A bipolar plate for a fuel cell having a two-phase cooling system and a fuel cell system includes a coolant inlet, a coolant outlet, and coolant channels with the coolant inlet being in fluid connection with the coolant outlet via the coolant channels. At least one inner surface of coolant inlet, coolant outlet and at least one of the coolant channels has a surface treatment to influence a flow regime of a cooling fluid along at least one inner surface and/or a phase transition of the cooling fluid.
Resumen de: US2025087734A1
One embodiment is directed to an integrated energy storage and distribution system, comprising: an electrolysis module configured to utilize intake electricity and intake water to output hydrogen gas, oxygen, and surplus water; a metal hydride hydrogen storage module configured to controllably store, or alternatively release, hydrogen gas; a fuel cell module configured to controllably intake hydrogen gas and output electricity and water vapor; and a computing system operatively coupled to the electrolysis module, storage module, and fuel cell module and configured to coordinate operation of these modules relative to each other; wherein the electrolysis, storage, and fuel cell modules are thermally coupled such that heat energy released from one or more modules which may be at least transiently exothermic may be utilized by one or modules which may be at least transiently endothermic.
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: AU2023336295A1
Provided is a hydrogen production system (100), comprising: an electrolysis module (19) that produces hydrogen through steam electrolysis by supplying steam to a hydrogen electrode (11) including a metal component; hydrogen storage equipment (40) that stores the produced hydrogen; a steam supply unit that supplies steam to the hydrogen electrode (11); a regulation unit (50) that regulates the supplied amount of hydrogen supplied by the hydrogen storage equipment (40) to the hydrogen electrode (11) and the supplied amount of steam supplied by the steam supply unit (20) to the hydrogen electrode (11); and a control device (80) that, in accordance with the electrolysis module (19) having exceeded a first switching temperature when the electrolysis module (19) is activated, controls the regulation unit (50) so as to switch a heating medium supply state, in which a heating medium is supplied by a heating medium supply unit (70) to the hydrogen electrode (11), to a steam supply state, in which steam is supplied by the steam supply unit (20) to the hydrogen electrode (11).
Resumen de: DE102023124126A1
Ein plattenförmiges Element (10) eines Zellenstapels (2) eines elektrochemischen Systems (1) weist eine Mehrzahl an Durchbrechungen (13, 21, 22, 23, 25) sowie eine zumindest einseitige Strukturierung (14) auf. Die Strukturierung (14) umfasst eine Kühlmittelleitstruktur (15, 16), durch welche ein erster Kühlmittelpfad (15) und ein zweiter Kühlmittelpfad (16) gebildet sind, welche jeweils einen Einströmabschnitt (17), einen vom Einströmabschnitt (17) ausgehenden, sich auffächernden und mindestens einen Mäanderbogen (19) beschreibenden Mittelabschnitt (18) und einen an den Mittelabschnitt (18) anschließenden, im Vergleich zum Mittelabschnitt (18) verengten Ausströmabschnitt (20) aufweisen.
Resumen de: DE102023208735A1
Zug (41) mit wenigstens einer Zugeinheit (42, 43) als wenigstens eine Lokomotive (42) und/oder wenigstens ein Waggon (43), wobei an je einer Zugeinheit (42, 43) Räder ausgebildet sind zum Fahren auf Gleisen (44), wobei an und/oder in wenigstens einer Zugeinheit (42, 43) wenigstens eine Elektrolysezelleneinheit (6) und/oder wenigstens ein Elektrolysezellensystem (7) ausgebildet ist zur Wandlung elektrischer Energie in chemische Energie.
Resumen de: DE102024207640A1
Die vorliegende Anmeldung stellt eine Elektrolysezelle bereit, die Folgendes umfasst: ein Gehäuse; eine Anode und eine Kathode; eine Austauschmembran; eine Anoden-Gasdiffusionsschicht, wobei das Gehäuse eine die Anoden-Gasdiffusionsschicht umgebende Anodenkammer einschließt; und eine Kathoden-Gasdiffusionsschicht, wobei das Gehäuse eine die Kathoden-Gasdiffusionsschicht umgebende Kathodenkammer einschließt. Dabei ist von der Anodenkammer und der Kathodenkammer mindestens eine Kammer mit Wasser befüllt, und durch die Wirkung des Gleichstroms werden in mindestens einer der Kammern Gasblasen gebildet. Diese mindestens eine Kammer wird wahlweise mit einem ersten Gaskreislauf und einem zweiten Gaskreislauf verbunden, und wenn die Akkumulation der Gasblasen einen Grenzzustand erreicht, wird mindestens eine Kammer von der Verbindung mit dem ersten Gaskreislauf auf eine Verbindung mit dem zweiten Gaskreislauf umgeschaltet und nach einer vorgegebenen Zeit erneut auf die Verbindung mit dem ersten Gaskreislauf zurückgeschaltet, wobei der Druck des ersten Gaskreislaufs höher als der Druck des zweiten Gaskreislaufs ist. Die vorliegende Anmeldung stellt ferner ein Gasabscheideverfahren für die beschriebene Elektrolysezelle bereit. Gemäß der vorliegenden Anmeldung können Gasblasen schnell abgeschieden werden, wodurch die Energieeffizienz und die Betriebsstromdichte erhöht werden.
Resumen de: DE102023208729A1
Die Erfindung betrifft eine Strategie zum Betreiben eines Elektrolysezellenstapels (10) eines Elektrolyseurs oder eines Elektrolyseuraggregats (1), wobei der Elektrolysezellenstapel (10) über seine Lebensdauer (t) hinweg von einer Leistungselektronik (100) mit einer elektrischen Leistung (P) versorgbar ist und/oder versorgt wird, und ein sich mit zunehmender Lebensdauer (t) erhöhender elektrischer Leistungsbedarf des Elektrolysezellenstapels (10) durch ein Erhöhen eines Betriebstemperaturniveaus (T) des Elektrolysezellenstapels (10) wenigstens teilkompensiert wird.
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: KR20250035333A
본 개시는, 전기화학적 가스 생산을 위한 전극, 이의 제조방법 및 이를 포함하는 전기화학적 가스 생산을 위한 시스템을 제공한다. 전기화학적 가스 생산을 위한 전극은, 금속막; 및 상기 금속막 상에 열린 기공을 갖는 하이드로젤 기반의 유기박막;을 포함할 수 있다.
Resumen de: WO2024008395A2
The present 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 guiding operating media of the energy converter (200, 300), - a plurality of supply openings (103) for supplying the plurality of channels (101) with operating media, - a plurality of distribution channels (105) for distributing operating media to the plurality of channels (101), wherein respective distribution channels (105) of the plurality of distribution channels (105) extend between respective supply openings (103) of the plurality of supply openings (103) and respective channels (101) of the plurality of channels (101), and wherein respective supply openings (103) of the plurality of supply openings (103) have, on a distribution channel side which faces respective distribution channels (105) of the plurality of distribution channels (105), a curved edge region, at least in some regions.
Resumen de: KR20250035312A
고농도 전해액 탱크; 상기 고농도 전해액 탱크로부터 제1 농도의 전해액을 공급받아 제2 농도의 전해액으로 희석하는 저농도 전해액 탱크; 상기 고농도 전해액 탱크로부터 상기 제1 농도의 전해액을 공급받는 알칼리 수전해 스택; 상기 저농도 전해액 탱크로부터 상기 제2 농도의 전해액을 공급받아 수소를 생성하는 음이온교환막 수전해 스택; 및 상기 알칼리 수전해 스택에서 생성된 제1 수소와 상기 음이온교환막 수전해 스택에서 생성된 제2 수소의 수분을 제거하여 건조 수소를 배출하는 드라이어를 포함하는 통합 수전해 시스템은 저렴한 가격에 대용량의 수소를 생산할 수 있는 알칼리 수전해 방식과 비귀금속 촉매를 사용하여 비교적 저렴한 비용으로 순도가 높은 수소를 생산할 수 있는 음이온교환막 방식을 모두 이용할 수 있는 수전해 시스템을 제공할 수 있다.
Resumen de: GB2633496A
A passive dual modulating regulator that responds to a pressure differential between a hydrogen-side and an oxygen-side of one or more proton-exchange membrane (PEM) cells is provided. The passive dual modulating regulator includes a flexible diaphragm that is clamped along its periphery between hemispherical chambers. A bi-directional valve assembly extends through the flexible diaphragm and includes opposing valve plugs for selectively closing the output ports of the respective hemispherical chambers. Large or sustained pressure imbalances between the hydrogen-side and the oxygen-side of a hydrogen generation system are avoided without active control inputs of any kind, and consequently a rupture of the PEM is entirely avoided.
Resumen de: AU2023264575A1
Provided herein are systems and methods for generating hydrogen and ammonia. The hydrogen is generated in an anion exchange membrane-based electrochemical stack. The hydrogen generated in the stack may be used to generate ammonia or may be used for other applications requiring hydrogen. The feedstock for the anion exchange membrane-based electrochemical stack may be saline water, such as seawater. A desalination module or a chlor-alkali stack may be used to treat the saline water prior to electrolysis in the anion exchange membrane-based electrochemical stack.
Resumen de: CN119156365A
A process for manufacturing methanol having a deuterium content of less than 90 ppm based on the total hydrogen content, the process comprising the steps of: (a) providing hydrogen having a deuterium content of less than 90 ppm based on the total hydrogen content by water electrolysis using power generated at least in part from non-fossil renewable resources; (b) providing carbon dioxide; (c) reacting hydrogen and carbon dioxide in the presence of a catalyst to form methanol.
Resumen de: EP4521045A2
An apparatus and process for pre-liquefaction processing of a fluid (e.g., hydrogen) can permit a reduction in capital costs and also an improvement in operational efficiency in flexibility. Embodiments can be configured to account for large variations in feed to be provided for liquefaction and also permit capital cost reductions associated with pre-liquefaction processing so the overall capital cost for liquefaction can be greatly reduced while also providing improved operational flexibility. For instance, embodiments can be configured to utilize one or more common pre-liquefaction processing elements to treat a fluid for precooling of a fluid to a pre-selected liquefaction feed temperature.
Nº publicación: EP4519926A1 12/03/2025
Solicitante:
JOHNSON MATTHEY PLC [GB]
Johnson Matthey Public Limited Company
Resumen de: WO2024241056A1
The specification describes a process for preparing an oxygen evolution reaction catalyst, comprising the steps of: (i) combining iridium powder and a peroxide salt to produce a powder mixture; (ii) carrying out thermal treatment on the powder mixture; (iii) dissolving the product from (ii) in water to produce a solution; (iv) reducing the pH of the solution from (iii) to affect a precipitation and form a solid and a supernatant; (v) separating the solid from the supernatant; and (vi) drying the solid. An oxygen evolution catalyst obtainable by the process is also described.
BOPI
Sede Electrónica
