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1041
resultados
Última actualización
25/08/2026 [07:16:00]
Resultados 250 a 275 de 1041
Resumen de: DE102025103146A1
Um eine Elektrolysezelle, insbesondere eine Hochtemperaturelektrolysezelle, bereitzustellen, die eine verbesserte Gasdichtigkeit und einen erhöhten Wirkungsgrad aufweist, wird eine Elektrolysezelle (100), insbesondere Hochtemperaturelektrolysezelle (10), umfassend eine erste Endplatte (12) und eine zweite Endplatte (13) vorgeschlagen, wobei die erste Endplatte (12) und die zweite Endplatte (13) einen Zwischenraum (14) ausbildend übereinander angeordnet sind, wobei in dem Zwischenraum (14) eine Elektrolyseanordnung (16) umfassend eine Kathode (17), eine Anode (18) und ein Elektrolyt (19) angeordnet ist, wobei der Zwischenraum (14) mittels einer Dichtung (20) abgedichtet ist, wobei die Dichtung (20) ein Aerogel umfasst oder aus einem Aerogel besteht.
Resumen de: KR20260118138A
본 발명은 세척 공정이 간소화된 폴리벤즈이미다졸 전해질막의 제조방법에 관한 것으로, 보다 상세하게는 기존의 물과 알코올을 사용한 2단계의 세척 공정을 물만을 사용하는 1단계의 공정으로 단축함으로써, 기존의 공정으로 세척한 전해질막과 비교했을 때 성능이 저하되지 않고 우수한 성능을 갖는 전해질막을 대량 생산할 수 있는 새로운 제조방법에 관한 것이다.
Resumen de: JP2026123786A
0001 【課題】炭材や炭素化合物の過剰消費を抑制しつつ、カルシウム含有物を用いて効率的に水素ガスを製造する方法を提供する。 【解決手段】容器内にカルシウム含有粉末を装入する工程と、前記容器の外部から、前記容器内の前記カルシウム含有粉末に対して、水蒸気と一酸化炭素ガスとを含有する原料ガスを供給することで、前記水蒸気と前記一酸化炭素ガスとを反応させて二酸化炭素ガス及び水素ガスを生成しつつ、前記カルシウム含有粉末に前記二酸化炭素ガスを固定させる、水素ガス生成工程と、を有する、水素ガスの製造方法。 【選択図】なし
Resumen de: WO2025012271A1
The invention relates to a plant for preparing H2 by catalytically decomposing NH3. The plant according to the invention can be operated in a start-up mode in order to heat apparatuses of the plant to an increased operating temperature using a heat-transfer medium, e.g. following interruption of a continuous operation of the plant due to maintenance work. After heating to the operating temperature, the plant according to the invention can be operated in a production mode for continuous production of H2. The invention also relates to a method for starting up a plant for preparing H2 by catalytically decomposing NH3.
Resumen de: US2025019285A1
Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.
Resumen de: WO2025012633A1
The invention provides a device for producing hydrogen gas and a process therefor. It also provides a system for generating electrical energy from hydrogen gas. More particularly, the invention provides a device for producing hydrogen comprising an ammonia cracker having one or more raw cracked gas outlets in fluid communication with a common raw cracked gas flow conduit, one or more gas separators in fluid communication with the ammonia cracker via the common raw cracked gas flow conduit, and in fluid communication with a common partially purified cracked gas flow conduit; one or more filter assemblies, each having a first container having one or more walls, one or more partially purified cracked gas inlets and one or more purified cracked gas outlets, wherein the one or more partially purified cracked gas inlets are in fluid communication with the one or more gas separators via the common partially purified cracked gas flow conduit, the first container containing a single mass of adsorbent comprising silica gel, wherein the one or more partially purified cracked gas inlets and one or more purified cracked gas outlets are arranged such that a partially purified cracked gas flows through the single mass of adsorbent in use.
Resumen de: EP4783270A1
A composite membrane includes: a porous substrate including a polyolefin microporous membrane; a silica material having a substrate containing silicon dioxide and having a sulfonic acid group on at least a surface of the substrate; and an ion exchange resin, in which a Gurley value is 1,000 sec/100 mL or more.
Resumen de: WO2025061814A1
The invention relates to a system and method for controlling the operation of the gas-liquid separators (GLSan, GLSca) of an electrolyser comprising a stack (10), and anode and cathode gas-liquid separators that separate the electrolyte and the gas along an alkaline solution level (lan, lca), wherein the dioxygen and dihydrogen gases flow from their respective chambers through a gas control valve (V
Resumen de: WO2025110878A1
An electrolyzer for generating hydrogen from water comprising electrodes and an electrically non-conductive separator layer extending in a substantially vertical plane comprising macroscopic through holes, and wherein the electrodes themselves comprise an anode and a cathode, characterized in that the electrodes are each furnished at opposite faces of the separator, and that the electrodes each comprise a plurality fins and wherein each fin of the plurality of fins projects outwardly from the layer for restricting the upward movement of electrode generated bubbles to a bubble stream that is substantially parallel to the vertical plane.
Resumen de: CN121843809A
Composite materials, methods of making composite materials, and methods of using composite materials are described herein. The composite material includes an incompatible polymer and/or other incompatible materials. The composite material can be used for various industrial applications. A composite material includes a first component including a first material having a fluid permeable portion and a second component including a second material that is incompatible with the first material; the first component and the second component are coupled at an interface, the interface comprising the second material contained in the fluid permeable portion of the first material, and the interface forming a third component separating at least a portion of the first component from the second component.
Resumen de: WO2025061540A1
The invention relates to an electrochemical hydrogen compressor (1) comprising at least one compressor unit (4), wherein an electrode arrangement (4c, 4d, 4e) which is disposed between two gas flow regions (4a, 4b) in the at least one compressor unit (4) comprises a gas-tight proton-permeable layer (4d) which is contacted by a gas-permeable cathode layer (4e) on one side of the layer, and which is contacted by a gas-permeable anode layer (4c) on the other side of the layer, wherein the at least one compressor unit (4) forms a compressor arrangement (3) which is arranged in a housing (2) around the interior of a hollow, preferably tubular, gas-permeable core element (5), wherein the interior of the core element (5) is fluidically connected to the radially innermost gas flow region (4b) of the compressor arrangement (3), and the interior of the housing (2) is fluidically connected to the radially outermost gas flow region (4b) of the compressor arrangement (3).
Resumen de: US2025092538A1
A bipolar plate for an electrochemical device may include, among other things, a conductive main body extending between first and second sides to define a cross-flow arrangement. The cross-flow arrangement may include first flow channels interspersed with first ribs along the first side, second flow channels interspersed with second ribs along the second side, and cross-over channels that may extend across the respective first ribs to interconnect the adjacent first flow channels. A method of forming a component for an electrochemical device is also disclosed.
Resumen de: WO2025059699A1
The invention relates to a device and a method for the continuous and/or semi-continuous, photocatalytic and/or photoelectrochemical production of hydrogen from waste water as reaction medium (1), with a flow element (2) forming the reaction space (2). In order to permit a better degree of effectiveness in both photocatalytic and photoelectrochemical hydrogen production from waste water despite simple design conditions, it is proposed that a multiport fitting (3) is provided upstream of the flow element (2) on the inlet side, via which multiport fitting both an oscillation pump (4) and a metering unit (5) for the reaction medium (1) are connected to the flow element (2), and that the oscillation pump (4) forms a conveying device for the reaction medium (1) by at least partially forming a plug flow in the flow element (2).
Resumen de: EP4782580A1
An operation method for a water electrolyzer, including an electrolyzer for electrolyzing water, a hydrogen separator to which hydrogen generated in the electrolyzer is to be led, an oxygen separator to which oxygen generated in the electrolyzer is to be led, and a vent line for discharging gas from the hydrogen separator or the oxygen separator and a vent valve disposed in the vent line, includes: a step of stopping electrolysis of water in the electrolyzer; a step of determining whether a first indicator indicating an increase amount of an oxygen concentration in gas in the hydrogen separator or of a hydrogen concentration in gas in the oxygen separator after stopping the electrolysis exceeds a first threshold; and opening, when the first indicator exceeds the first threshold, the vent valve to decrease a pressure of the hydrogen separator or the oxygen separator to a first specified value.
Resumen de: EP4782092A1
0001 An operation method for a dehumidification apparatus for dehumidifying hydrogen gas produced by a hydrogen production apparatus, the dehumidification apparatus including a dehumidifier for removing moisture contained in the hydrogen gas, a discharge line for discharging the hydrogen gas dehumidified by the dehumidifier from the dehumidifier, a dew point measurement line connected to the discharge line, a dew point meter disposed in the dew point measurement line, and an inlet valve and an outlet valve disposed on both sides of the dew point meter in the dew point measurement line, the operation method including a stopping step of stopping discharging of the hydrogen gas from the dehumidifier to the discharge line, and a maintaining step of maintaining a state in which a dew point meter installation part of the dew point measurement line including at least an installation position of the dew point meter is filled with a dry gas when the discharging of the hydrogen gas from the dehumidifier to the discharge line is stopped.
Resumen de: EP4782577A1
Provided is an ammonia production apparatus, including: a first electrolysis vessel in which at least part of a first electrolysis medium is stored; a first electrode arranged in the first electrolysis vessel; a second electrolysis vessel in which at least part of a second electrolysis medium is stored; a second electrode arranged in the second electrolysis vessel; a separator arranged between the first electrolysis vessel and the second electrolysis vessel; and a first separation unit configured to separate ammonia from the second electrolysis medium, wherein the first electrolysis vessel is configured so that a proton source in the first electrolysis medium is oxidized at the first electrode to generate a proton, wherein the ammonia production apparatus is configured to produce ammonia and hydrogen from nitrogen, a proton, and an electron in the presence of a nitrogen-activating catalyst in the second electrolysis medium, and wherein the ammonia production apparatus is configured to supply, to the first electrolysis medium, nitrogen and hydrogen remaining after ammonia is separated by the first separation unit.
Resumen de: EP4782579A1
0001 A separator according to the present disclosure comprises: a separator body having a first surface and a second surface; a first supply hole and a first discharge hole that are formed on one diagonal line of the separator body on the first surface and pass through the separator body; a plurality of first groove parts that are formed in a region between the first supply hole and the first discharge hole; a trapezoidal first diffusion flow path that spreads from the first supply hole to the first groove part and gradually expands in the width direction from the first supply hole toward the first groove part; a trapezoidal first convergence flow path that spreads from the first groove part to the first discharge part and gradually contracts in the width direction from the first groove part toward the first discharge hole; a first diffusion guide part that is provided in the first diffusion flow path and guides a fluid from the first supply hole to the first groove part; and a first convergence guide part that is provided in the first convergence flow path and guides the fluid from the first groove part to the first discharge hole.
Resumen de: WO2025023918A1
The present disclosure relates to an electrochemical method that comprises the direct production of hydrogen from boron compound types by reduction-oxidation reactions, the simultaneous production of boron hydride compounds and the production of hydrogen by oxidation-reduction reactions of boron hydride compounds, which does not require any additional pH adjustment or purification procedure in a solution system containing low-cost boron compounds (boric acid, boron salts, etc.), and which provides direct production of high purity hydrogen in a single step and at room temperature in an environmentally friendly and low-cost manner.
Resumen de: GB2703483A
A method and membrane reactor for production of pressurised hydrogen are disclosed, the method comprises providing a catalyst for conversion of ammonia to hydrogen and nitrogen; contacting a pressurised reaction stream comprising ammonia with the catalyst to convert at least a portion of the ammonia into hydrogen in a reaction zone; and obtaining a hydrogen product stream comprising pressurised hydrogen by selectively driving hydrogen from the reaction zone through a hydrogen-selective membrane under a pressure differential between a reaction-side pressure of the reaction stream and a product-side pressure of the hydrogen product stream; wherein the product-side pressure is at least 30 bara. The membrane reactor comprises a feed vessel comprising a catalyst bed comprising a catalyst for conversion of ammonia to hydrogen and nitrogen; a hydrogen collection vessel for collecting hydrogen at a pressure of at least 30 bara; and a hydrogen-selective membrane separating the feed vessel and the hydrogen collection vessel for selective removal of hydrogen. Figure 1
Resumen de: KR20260117236A
본 발명에 따른 가변 주파수 초음파를 활용한 수소 기포 성장 촉진 장치 및 방법은, 수소 생산 공정 시 음향 가진기를 이용하여 전극 주위에 형성된 기포를 향해 초음파를 조사함으로써 기포의 팽창 및 수축을 유도하고, 용존 수소 가스의 유입량을 증대시켜 기포 성장을 촉진할 수 있다. 아울러, 수소 기포 반경의 모니터링을 기반으로 초음파 주파수를 가변 조정하여 전극 주위에 형성된 기포의 급격한 성장을 반복적으로 발생시켜 수소 기포 성장 촉진을 극대화하여 수소 생산량을 향상시킬 수 있다.
Resumen de: EP4782578A1
0001 Verfahren zur Herstellung einer Membran-Dichtungsanordnung für eine elektrochemische Zelle, entsprechendes Zellelement und Elektrolysesystem 0002 Es wird ein Verfahren zur Herstellung einer Membran-Dichtungsanordnung für eine elektrochemische Zelle, insbesondere eine Elektrolysezelle angegeben. Das Verfahren umfasst die Schritte S1, Bereitstellen einer Membran bzw. einer Membran-Elektrodeneinheit, umfassend auf die Membran aufgebrachte Elektrodenschichten, welche im Betrieb der Zelle als Anoden- bzw. Kathodenkatalysator dienen, S2, Bereitstellen einer Dichtung, wobei die Dichtung ausgelegt ist, im Betrieb der elektrochemischen Zelle einen Anodenraum bzw. einen Kathodenraum zu dichten, und S3, stoffschlüssiges Verbinden der Membran bzw. Membran-Elektrodeneinheit und der Dichtung zu einer vorgefertigten Baugruppe. Weiterhin werden eine entsprechende Membran-Dichtungsanordnung, eine diese aufweisende elektrochemische Zelle, ein Zellelement und ein entsprechendes Elektrolysesystem angegeben.
Resumen de: KR20260117267A
0001a 본 발명은 전기화학 에너지 디바이스용 스택 장치에 설치되어, 전해액이 전기분해되는 공간을 제공하고, 전해액이 전기 분해되어 발생한 수소 가스와 산소 가스 및 전기 분해되지 않은 전해액이 이동할 수 있는 이원적 이동 경로를 제공할 수 있어, 전기화학 에너지 디바이스용 스택 장치 내부에 흐르는 전해액과 수소 가스가 혼합되지 않도록 하는 효과를 제공하는 발명인 것을 특징으로 한다.
Resumen de: KR20260117553A
본 발명의 일 실시예는 질소 기능화와 산소 결함을 동시에 갖춘 Fe-Ni 이종 복합체로 니켈 폼; 상기 니켈 폼 표면 상에 위치하되, 철 및 니켈을 포함하는 시트 구조체; 및 상기 시트 구조체 상에 위치하되, 철을 포함하는 나노구체 클러스터를 내부에 포함하는 탄소 매트릭스;를 포함하는 것을 특징으로 하는 전기촉매 전극를 제공하는 것이다.
Resumen de: EP4570956A1
The invention refers to an electrochemical system (1) suitable for hot idling comprising- at least one electrochemical module (11) comprising a fuel electrode section, an oxidant electrode section, and a membrane;- at least one fluid inlet line (10) leading to the electrochemical module (11), in particular to the fuel electrode section;- at least one fluid outlet line (12) exiting the electrochemical module (11);- a gas recirculation unit (15) to recirculate a gas or gas mixture exiting the electrochemical module (11) to the fuel electrode section.The system comprises an inert gas unit (3), preferably nitrogen unit, for supplying inert gas to the at least one fluid inlet line (10). The invention refers also to a method of performing electrolysis in a hot idling mode.
Nº publicación: CN122466496A 28/07/2026
Solicitante:
江南大学
Resumen de: CN122466496A
本发明公开了一种(MnRuIrCrTa)Cx/CNFs高熵合金碳化物电催化材料及其制备方法、电解水制氧方法。本发明将锰盐、钌盐、铱盐、铬盐、钽盐和碳纳米纤维前驱体分散于有机溶剂中，配制得到纺丝溶液，再通过冷却结晶策略，成功制备出(MnRuIrCrTa)Cx/CNFs高熵合金碳化物电催化材料，高熵合金碳化物在纳米纤维上均匀分布，亲氧性Mn元素的引入促进催化剂表面重构，显著提升析氧活性；耐腐蚀性元素Ta的加入促进了TaC主体结构的形成，进一步提升催化剂的结构稳定性，在长时间的运行中仍能保持高效的催化性能，该策略不仅有效降低了贵金属的用量，还实现了催化剂活性与稳定性的同步提升，具有广阔的应用前景。
BOPI
Sede Electrónica
