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556
resultados
Última actualización
12/12/2025 [07:14:00]
Resultados 175 a 200 de 556
Resumen de: US2025354282A1
A water electrolysis process includes recovering a mixture of electrolyte and dioxygen from an anodic compartment and separating it in a dioxygen separator to obtain a dioxygen stream and a dioxygen containing electrolyte stream; recovering a mixture of electrolyte and dihydrogen from an cathodic compartment and separating it in a dihydrogen separator to obtain a dihydrogen stream and a dihydrogen containing electrolyte stream; recirculating the dioxygen containing electrolyte stream and the dihydrogen containing electrolyte stream. Upon detection of conditions susceptible of leading to a dioxygen to dihydrogen ratio greater than a safety OTH threshold in the cathodic compartment or/and to a dihydrogen to dioxygen ratio greater than a safety HTO threshold in the anodic compartment, flushing dihydrogen in electrolyte fed to the or each cathodic compartment, and/or flushing dioxygen in electrolyte fed to the or each anodic compartment.
Resumen de: EP4650486A1
The present invention relates to a membrane electrode assembly (100) for a stackable electrolyser cell. The membrane electrode assembly (100) comprises a catalyst coated membrane (CCM) member (110) with a polymer membrane (111) that is at least partially coated with a catalyst coating (112, 113), a frame member (140) for mechanical reinforcement, two porous transport layers (121, 122), and an adhesive layer (150). The adhesive layer (150) forms an adhesive bond between the CCM member (110) and at least the frame member (140) and further, comprises an adhesive overlap section (151) that overlaps with a frame overlap section (141) of the frame member (140). The adhesive overlap section (151) extends inwardly with respect to the peripheral area (115) beyond the frame overlap section (141) to delimit a process area (116) of the CCM member (110). The invention relates further to a solid polymer electrolyte electrolyser cell stack with such membrane electrode assembly (100) and a method of manufacturing said membrane electrode assembly (100).
Resumen de: US2025354277A1
A water electrolysis cell according to an embodiment includes: an anode electrode including an anode catalyst layer in which anode catalyst sheets are stacked via a gap, each anode catalyst sheet containing iridium oxide and being in the form of a nanosheet; a cathode electrode including a cathode catalyst layer in which cathode catalyst sheets are stacked via a gap, each cathode catalyst sheet containing platinum and being in the form of a nanosheet; and an electrolyte membrane containing a hydrocarbon-based material, placed between the anode electrode and the cathode electrode.
Resumen de: WO2024162841A1
An electrolyte solution comprising an electrolyte, wherein the electrolyte is used in an amount ranging between 1 wt% to 10 wt% of the electrolyte solution; an ionic liquid, wherein the ionic liquid is used in an amount ranging between 1 wt% to 5 wt% of the electrolyte solution; and a solvent, wherein the solvent is used in an amount ranging between 75 wt% to 99 wt% of the electrolyte solution.
Resumen de: KR20250162018A
본 발명은 방열 모듈을 포함하는 수소 및 산소 공급 장치에 관한 것으로, 보다 상세하게는 수소 및 산소 생성 모듈에 의해 생성된 수소 및 산소가 분산되지 않고 수소 및 산소를 안정적으로 외부로 공급할 수 있는 방열 모듈을 포함하는 수소 및 산소 공급 장치에 관한 것이다.
Resumen de: KR20250162165A
그린수소 및 블루수소를 활용한 메탄올 합성 시스템 및 상기 시스템을 이용한 메탄올 합성방법을 제공한다. 상기 메탄올 합성 시스템은 수전해부, 가스 개질부, 수소 정제부, 메탄올 합성부 및 메탄올 정제부를 포함하는 시스템으로, 상기 메탄올 합성부는 상기 수전해부에서 분리된 그린수소, 상기 수소 정제부에서 분리된 블루수소, 상기 가스 개질부에서 개질된 이산화탄소 및 상기 메탄올 합성부에 추가로 공급되는 외부의 이산화탄소를 활용하여 메탄올을 합성할 수 있다. 상기 메탄올 합성 시스템을 이용한 메탄올 합성방법은 순산소 메탄올 합성 공정으로 고순도의 메탄올을 제공할 수 있다.
Resumen de: KR20250161849A
본 발명은 암모니아수 제조장치 및 그것을 구비한 수소수 제조시스템에 관한 것으로, 본 발명은 암모니아액이 저장된 암모니아액저장탱크; 순수가 저장된 순수저장탱크; 암모니아액과 순수가 혼합되어 희석되는 희석탱크; 상기 암모니아액저장탱크와 희석탱크를 연결하여 희석탱크로 암모니아액이 공급되는 암모니아액공급라인; 상기 순수저장탱크와 희석탱크를 연결하여 희석탱크로 순수가 공급되는 순수공급라인; 상기 암모니아액공급라인에 구비되어 상기 희석탱크로 공급되는 암모니아액의 유량을 조절하는 제1 유량조절기; 상기 순수공급라인에 구비되어 상기 희석탱크로 공급되는 순수의 유량을 조절하는 제2 유량조절기; 및 상기 희석탱크와 연결관에 의해 연결되어 상기 희석탱크에서 희석된 암모니아수가 공급되어 저장되는 암모니아수저장탱크를 포함한다. 본 발명에 따르면, 암모니아수를 생성하는 구성을 간단하고 컴팩트하게 하여 설치 공간을 줄이고, 암모니아수의 희석 비율의 정확도를 높이면서 암모니이수 희석 효율을 향상시키며 이물질이 누적되는 것을 방지하여 장비에 공급하는 수소수의 신뢰성을 높인다.
Resumen de: EP4650488A1
The invention concerns a water electrolysis installation comprising:* a dioxygen separator (60) configured to separate a mixture of electrolyte and dioxygen (28B) and to obtain an electrolyte with dissolved dioxygen (61);* a dihydrogen separator (49) to separate a mixture of electrolyte and dihydrogen (28A) and to obtain an electrolyte with dissolved dihydrogen (51);* a recombination zone (32) configured to receive the electrolytes to produce, at a mixing region (68), a mixed electrolyte stream,The installation comprises a dihydrogen and/or dioxygen depleting system (70), comprising a catalyst configured to react dioxygen and dihydrogen dissolved in the mixed electrolyte stream, to produce a treated electrolyte stream (34) with reduced dioxygen and dihydrogen. The depleting system (70) is positioned in contact with the mixed electrolyte stream downstream of the mixing region (68) and upstream of the inlet of the electrochemical stack device.
Resumen de: WO2024191979A1
A selective separator is described that comprises a porous polymeric separator and selective material on at least one outer surface. Selective material comprising a composite of ion exchange polymer and zirconium oxide particles (ZrO2) distributed throughout the ion exchange polymer may be applied as a liquid by a spray coating method. Selective separators made by methods described herein are suitable for use in alkaline water electrolysis applications.
Resumen de: AU2024237545A1
A method for generating and treating a two-phase outflow from one or more pressurised electrolyser stacks which are adapted to electrolyse water into hydrogen and oxygen, whereby a pump supplies a catholytic fluid flow from one first gas liquid gravitational separator vessel to the electrolyser stacks and whereby a further pump supplies an anolytic fluid flow from one second gas liquid gravitational separator vessel to the electrolyser stacks, and whereby at least one cyclone type gas liquid separator receives combined outflows from the catholytic chambers and/or receives combined outflows from anolytic chambers respectively inside corresponding gravitational gas liquid separator vessel whereby further, the at least one cyclone type gas liquid separator separates the gas from the liquid along a generally horizontal cyclonic rotation axis inside the gas liquid gravitational separator vessel. An electrolyser system is also provided.
Resumen de: US2025346486A1
An embodiment of the present disclosure provides a production apparatus for high purity hydrogen, the production apparatus including: a decomposition reaction unit configured to decompose ammonia through ammonia decomposition reaction and discharge reaction products including hydrogen and nitrogen produced from the ammonia decomposition reaction and non-reacting ammonia; an adsorption refinement unit configured to discharge intermediate refined products by separating or removing ammonia from the reaction products; and a hydrogen separation membrane configured to discharge a high-purity hydrogen product by refining high-purity hydrogen by separating and filtering the intermediate refined products.
Resumen de: WO2024193079A1
The present invention provides a membrane electrode for alkaline water electrolysis for hydrogen production and a preparation method therefor, and an electrolytic cell. According to the preparation method provided by the present invention, a membrane electrode having catalyst layers uniformly and firmly attached to the surfaces of a membrane can be obtained in a direct coating and hot-pressing mode, the membrane electrode can be endowed with good stability, and the obtained membrane electrode has a remarkably reduced water electrolysis overpotential. The preparation method comprises the following steps: directly applying a catalyst slurry on the surfaces of two sides of a membrane, and drying and hot-pressing the catalyst slurry to respectively form catalyst layers on the surfaces of the two sides of the membrane to obtain the membrane electrode. The membrane is selected from a porous membrane or an alkaline anion exchange membrane; the catalyst slurry comprises a binder solution and a catalyst, wherein the binder solution is one or more of a perfluorosulfonic acid resin solution and a perfluorosulfonic acid ionomer dispersion, and the mass concentration of the binder solution is 5-30%; and the mass ratio of the binder solution to the catalyst is 1:1 to 4:1.
Resumen de: PL448572A1
Przedmiotem zgłoszenia jest wysokociśnieniowy elektrolizer alkaliczny do produkcji wodoru i tlenu o ciśnieniu do 250 bar, na drodze procesu elektrolizy wody, po doprowadzeniu do anody i katody (elektrody) potencjału elektrycznego, a oba gazy są separowane pod wysokim ciśnieniem. Elektrolizer alkaliczny generujący wodór i tlen o ciśnieniu do 250 bar zbudowany z dwóch pokryw (2) zamykających konstrukcję elektrolizera z obu stron, zespołu ułożonych szeregowo elektrod bipolarnych (1), zespołu membran (3), gdzie pomiędzy każdymi sąsiadującymi ze sobą elektrodami bipolarnymi (1) umieszczona jest membrana (3) dzieląca przestrzeń pomiędzy elektrodami (1) na przestrzeń anodową i katodową elektrolizera i przestrzenie pomiędzy membraną (3) a sąsiadującymi elektrodami bipolarnymi (1) wypełnione są na obwodzie elektrod bipolarnych (1) wkładkami uszczelniającymi z materiału nieprzewodzącego (4), a membrana (3) uszczelniona jest między dociśniętymi do niej z obu stron wkładkami uszczelniającymi z materiału nieprzewodzącego (4).
Resumen de: KR20250160699A
바이폴라 플레이트가 제공된다. 상기 바이폴라 플레이트는 유로가 형성된 판부;를 포함하고, 상기 유로에는 스피드 범프(speed bump)가 형성될 수 있다. 상기 유로는 양이온 교환막(PEM, Proton Exchange Membrane) 또는 막전극접합체(MEA, Membrane Electrode Assembly)에 대면하는 상기 판부의 일면에 트렌치(trench) 형상으로 형성될 수 있다. 상기 유로의 내측벽과 바닥면 중 적어도 하나로부터 돌출된 돌출부가 마련될 수 있다.
Resumen de: WO2024191979A1
A selective separator is described that comprises a porous polymeric separator and selective material on at least one outer surface. Selective material comprising a composite of ion exchange polymer and zirconium oxide particles (ZrO2) distributed throughout the ion exchange polymer may be applied as a liquid by a spray coating method. Selective separators made by methods described herein are suitable for use in alkaline water electrolysis applications.
Resumen de: CN115948757A
The invention provides an electrolytic bath which comprises a cathode end plate, a cathode insulating layer, an electrolytic unit, an anode insulating layer and an anode end plate which are sequentially arranged in the same direction, each small electrolysis chamber comprises a cathode plate, a cathode sealing ring, a cathode gas diffusion layer, a diaphragm, an anode gas diffusion layer and an anode plate which are sequentially arranged in the same direction, the cathode plate and the anode plate at the series connection part between the small electrolysis chambers are combined to form a bipolar plate, the cathode plate comprises a cathode surface, the anode plate comprises an anode surface, and the bipolar plate comprises a cathode surface and an anode surface; a concave area and an outer frame area are arranged on the cathode surface and the anode surface, the outer frame area is arranged around the concave area, a plurality of raised lines are arranged in the concave area, a diversion trench is formed between the raised lines, confluence trenches are arranged in the concave area at two ends of the diversion trench, and the confluence trenches are communicated with the diversion trench. According to the scheme, uniform diffusion of the electrolyte is realized.
Resumen de: US2025354272A1
Provided is an electrochemical system comprising a water electrolysis stack with an anode and a cathode. The system includes a reaction fluid supply line that supplies a reaction fluid to the anode, a first gas-liquid separator located in the reaction fluid supply line to separate the reaction fluid into gaseous and liquid components, and a first filter part positioned upstream of the first gas-liquid separator to filter the reaction fluid. The system further includes a first circulation line that circulates the liquid reaction fluid from the anode back to the first gas-liquid separator. Additionally, a second gas-liquid separator in a discharged fluid discharge line is connected to the cathode, with a second circulation line configured to maintain the ionic purity of the discharged fluid. The system also includes a mechanism to monitor ionic conductivity and selectively control the operation of the water electrolysis stack based on detected ionic levels.
Resumen de: JP2025169754A
【課題】水から水素を効率的に製造する新たな方法を提供する。【解決手段】本発明の製造方法は、還元剤を加えた水に電磁波を照射して、水素を発生する、水素の製造方法である。【選択図】なし
Resumen de: JP2025169505A
【課題】本発明の課題は、塩化物イオンを含む水の電解において塩化物イオンの酸化を抑制して酸素を製造できる酸素の製造方法を提供することである。【解決手段】酸化ルテニウム（IV）又は酸化イリジウム（IV）を含む酸素発生反応用触媒を担持した電極を陽極に使用して、塩化物イオンを含む水を電解することにより酸素を製造する酸素の製造方法であって、前記塩化物イオンを含む水の温度を３０℃以上にして前記電解を行う酸素の製造方法。【選択図】図３
Resumen de: AU2023366329A1
A method for producing higher hydrocarbons in a Fischer-Tropsch (FT) reactor by recycling a FT tail-gas comprising: feeding the FT reactor with a dry syngas to form liquid hydrocarbons and the FT tail-gas, wherein the dry syngas is obtained by a Reverse Water-Gas Shift (RWGS) reaction of a stream of CO
Resumen de: CN120265887A
The invention provides a method of compressing an aqueous oxygen-containing stream originating from an electrolysis cell, the method comprising at least the steps of: (a) providing an aqueous oxygen-containing stream (10); (b) combining the aqueous oxygen-containing stream (10) provided in step (a) as a suction fluid with an aqueous stream (20) as a motive fluid in an ejector (2), thereby obtaining a combined stream; (c) flashing the combined stream through the ejector (2), thereby obtaining a two-phase fluid (30) exiting the ejector (2); (d) separating the two-phase fluid (30) exiting the injector (2) into an oxygen-containing gas stream (40) and a liquid stream (50); (e) pressurizing the liquid stream (40) obtained in step (d), thereby obtaining a pressurized liquid stream; (f) using the pressurized liquid stream obtained in step (e) as the motive fluid (20) in step (b); (g) dehydrogenating the oxygen-containing gas stream (40) obtained in step (d), thereby obtaining a dehydrogenated oxygen-containing stream (70); (h) dewatering the dehydrogenated oxygen-containing stream (70) obtained in step (g), thereby obtaining a dewatered dehydrogenated oxygen-containing stream (80); (i) compressing the dehydrated and dehydrogenated oxygen-containing stream (80) obtained in step (h), thereby obtaining a compressed oxygen-containing stream (90); and (j) using the compressed oxygen-containing stream (90) obtained in step (i), in particular in a gasifier (9).
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: CN120530521A
Disclosed is a hydrophilic porous polymer membrane which is particularly suitable for use in electrolytic cells for producing hydrogen. The porous polymer membranes contain one or more high density polyethylene polymers in combination with one or more hydrophilic additives. The porous membrane may be formed by a gel extrusion process or sintering. Extremely thin membranes having desired permeability characteristics, hydrophilic characteristics, and mechanical characteristics required for use in batteries can be produced.
Resumen de: CN120418004A
The present invention relates to an ammonia decomposition catalyst and a method for producing the same, and more particularly, to an ammonia decomposition catalyst comprising alumina (Al2O3), cerium (Ce), lanthanum (La), ruthenium (Ru), and potassium (K), and a method for producing the same.
Nº publicación: FR3162053A1 14/11/2025
Solicitante:
IFP ENERGIES NOW [FR]
IFP ENERGIES NOUVELLES
Resumen de: FR3162053A1
Procédé de préparation d’une électrode activée électrochimiquement pour des réactions de réduction électrochimique, ladite électrode comprenant au moins un matériau catalytique à base d’au moins un métal du groupe VIB supporté sur un support électro conducteur, ledit procédé consiste à réaliser un traitement électrochimique à une électrode comprenant au moins un matériau catalytique à base d’au moins un métal du groupe VIB supporté sur un support électroconducteur. Ledit traitement électrochimique, réalisé par voltampérométrie cyclique (CV) ou chronoampérométrie (CA), consiste en une étape d’oxydation dans des conditions spécifiques.
BOPI
Sede Electrónica
