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1083
resultados
Última actualización
21/03/2026 [07:23:00]
Resultados 600 a 625 de 1083
Resumen de: CN121472929A
本发明公开了一种非对称结构碱性电解水制氢隔膜及其制备方法和应用。该制备方法包括：(1)在支撑板上先涂覆第一层铸膜液，然后再放置隔网，随后再在隔网上涂覆第二层铸膜液，放卷后复合形成隔膜前驱体；(2)采用蒸汽诱导相分离法对隔网上表面涂覆的第二层铸膜液进行分相，之后再将隔膜前驱体浸入凝胶浴中进行凝固定型，最后经清洗、收卷，即得。本发明制得的隔膜具有非对称结构，一侧为致密孔，可以提升阻气；另一侧为相对开放的大孔结构，可以减小OH‑的传质阻力，有利于降低隔膜电阻，并降低电解能耗；且本发明采用两步法涂布制膜，可以在减少隔膜气泡缺陷的同时，提升效率，具有较好的应用前景。
Resumen de: CN121471531A
本发明公开了一种钴基配位聚合物材料的制备方法及其光催化制氢应用。所述钴钙配位聚合物材料的化学式为CoCa(2‑sina)2，单斜晶系，空间群为C2/c，晶胞参数a=31.5440(12)，b=5.5342(2)，c=6.9592(3)，α=90°，β=106.560(4)°，γ=90°，Z=4，晶胞体积V=1201.36(7) Å3。在光催化反应中，该晶体结构中的催化位点稳定存在，能够加快反应速率，在光敏剂和牺牲剂的存在下，该钴钙配位聚合物在可见光的照射下能表现出良好的制氢性能。
Resumen de: DE102024207270A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Elektrolysesystems (1), umfassend einen Elektrolysestack (2) mit einer Anode (2.1) und einer Kathode (2.2) sowie einen Elektrolytkreislauf (3), über den der Anode (2.1) ein Elektrolyt, vorzugsweise Wasser oder eine wässrige Lösung, zugeführt wird, wobei in den Elektrolytkreislauf (3) eine Kühleinrichtung (4) integriert ist, mit deren Hilfe der Elektrolyt gekühlt wird, bevor er über den Elektrolytkreislauf (3) erneut der Anode (2.1) zugeführt wird. Das Verfahren zeichnet sich erfindungsgemäß durch folgende Schritte aus:a) Prognostizieren einer maximal verfügbaren Kühlleistung der Kühleinrichtung (4),b) Bestimmen der Elektrolyt-Temperatur im Elektrolytkreislauf (3) stromabwärts der Kühleinrichtung (4) und stromaufwärts einer temperaturkritischen Komponente (5), vorzugsweise eines Ionentauschers, die bzw. der in einem Nebenpfad (6) angeordnet ist, der stromabwärts der Kühleinrichtung (4) über ein Ventil (7) mit dem Elektrolytkreislauf (3) verbundenen ist, wobei die Elektrolyt-Temperatur anhand der in Schritt a) prognostizierten maximal verfügbaren Kühlleistung bestimmt wird,c) Vergleichen der in Schritt b) bestimmten Elektrolyt-Temperatur mit einem vorab definierten Maximalwert sowied) zumindest teilweises Schließen des Ventils (7), wenn der Vergleich in Schritt c) ergibt, dass der Maximalwert überschritten wird.Die Erfindung betrifft ferner ein Elektrolysesystem (1), das zur Durchführung des Verfah
Resumen de: DE102024207372A1
Die vorgestellte Erfindung betrifft eine Bipolarplatte (100) für ein Elektrolysesystem (300), wobei die Bipolarplatte (100) umfasst:- einen Grundkörper (101) mit einer ersten Seite (103) und einer der ersten Seite (103) gegenüberliegenden zweiten Seite (105),wobei zumindest auf der ersten Seite (103) eine Vielzahl Kanäle (107) von einem ersten Ende zu einem dem ersten Ende gegenüberliegenden zweiten Ende verlaufen,wobei zwischen jeweiligen benachbarten Kanälen (107) Leitpfade (109) ausgebildet sind,wobei die Leitpfade (109) an einem ersten Ende fluiddicht verschlossen und an einem gegenüberliegenden zweiten Ende offen sind, undwobei jeweilige Kanäle (107) eine Anzahl Öffnungen (113) umfassen, die ein Überströmen von durch die Leitpfade (109) strömendem Fluid in die Kanäle (107) ermöglichen.
Resumen de: DE102025128171A1
Die vorliegende Offenbarung betrifft eine Elektrolyseur-Batteriezelle, ein Herstellungsverfahren und eine Vorrichtung zum Erzeugen von Wasserstoffgas aus erneuerbarer Energie. Die Elektrolyseur-Batteriezelle umfasst eine Membranbaugruppe, die im zentralen Bereich der Elektrolyseur-Batteriezelle angeordnet ist; eine Anodenkomponente und eine Kathodenkomponente, die jeweils auf beiden Seiten der Membranbaugruppe angeordnet sind; wobei die Anodenkomponente eine Anodentransportstruktur umfasst, um Fluid innerhalb des Elektrolyseurs bei einer ersten Geschwindigkeit in der Anodentransportstruktur zu transportieren; wobei die Kathodenkomponente eine Kathodentransportstruktur umfasst, um Fluid innerhalb des Elektrolyseurs bei einer zweiten Geschwindigkeit in der Kathodentransportstruktur zu transportieren; wobei die Kathodentransportstruktur sich von der Anodentransportstruktur unterscheidet und der Durchschnittswert der zweiten Geschwindigkeit größer als der Durchschnittswert der ersten Geschwindigkeit ist. Die Lösung der vorliegenden Offenbarung verbessert die Transportrate des Fluids, unterstützt die Entladung der Gasprodukte auf der Kathodenseite und verhindert, dass die Gasprodukte auf der Kathodenseite die Katalysatorschicht bedecken, sodass die Reaktanten schnell die Elektrodenoberfläche erreichen können, wodurch die Reaktionsrate des elektrolysierten Wassers gewährleistet und die Leistung der Elektrolyseur-Batterie verbessert wird.
Resumen de: DE102024207257A1
Die Erfindung betrifft ein Verfahren zum Betreiben eines Elektrolysesystems mit mehreren Stacks, die jeweils eine Vielzahl an Einzelzellen in gestapelter Anordnung umfassen, wobei jede Einzelzelle eine Anode und eine Kathode aufweist, die durch eine Membran getrennt sind. Erfindungsgemäß wird durch Festlegen einer unteren Leistungsschwelle (Pmid,low) und einer oberen Leistungsschwelle (Pmid,high) ein mittlerer Leistungsbereich definiert, in dem die Alterungsrate (AR) der Membranen ein Maximum erreicht, und zur Verringerung der Membranalterung die verfügbare elektrische Leistung (P) so auf einen oder mehrere Stacks aufgeteilt wird, dass ein Betrieb eines einzelnen Stacks im mittleren Leistungsbereich vermieden wird.Die Erfindung betrifft ferner eine Steuereinheit zur Ausführung von Schritten des erfindungsgemäßen Verfahrens.
Resumen de: WO2026027698A1
The invention comprises an electrochemical cell stack unit (10) consisting of electrochemical cells, which can be used, for example, as a fuel cell unit for electrochemically generating electrical energy from hydrogen and/or as an electrolysis cell unit for generating hydrogen and oxygen from electrical energy.
Resumen de: WO2026027570A1
The invention relates to a method of operating an electrolysis system having a plurality of stacks, each of which comprises a plurality of individual cells in a stacked arrangement, where each individual cell has an anode and a cathode that are separated by a membrane. According to the invention, by defining a lower power threshold (Pmid,low) and an upper power threshold (Pmid,high), an average power range in which the ageing rate (AR) of the membranes reaches a maximum is defined, and, in order to reduce membrane ageing, the available electrical power (P) is divided between one or more stacks so as to avoid operation of any individual stack in the average power range. The invention further relates to a control unit for executing steps of the method according to the invention.
Resumen de: WO2026027751A1
The installation (10), comprises a piece of equipment delimiting an electrolyte storage or/and circulation volume (200), the piece of equipment comprising a metal wall (202) having an inner surface (208) facing the electrolyte storage or/and circulation volume (200). The piece of equipment further comprises: - a polymer adhesive protection layer (220) applied on the inner surface (208) of the metal wall (202); - a polymeric liner (222) positioned between the polymer adhesive protection layer (220) and the electrolyte storage or/and circulation volume (200), the polymeric liner (222) having an electrolyte contact surface (232) delimiting the electrolyte storage or/and circulation volume (200).
Resumen de: WO2026027565A1
The present invention relates to an electrode, preferably a gas evolution electrode, comprising a substrate, a porous interlayer and a catalytic layer, wherein the porous interlayer comprises nickel and have a surface area of at least 0. 1 m2 /g measured by BET, wherein the catalytic layer comprises at least one catalytically active metal, wherein said porous interlayer has an inner porous surface and an outer surface, wherein the at least one catalytically active metal is a transition metal, a rare earth element or a combination thereof, wherein at least 80% of said at least one catalytically active metal is deposited on the outer surface of said porous interlayer measured by cross-sectional SEM EDAX image analysis, wherein at most 20% of said at least one catalytically active metal is deposited in the inner porous surface measured by cross-sectional SEM EDAX image analysis.
Resumen de: WO2026027476A1
A process for the synthesis of methanol (MeOH) comprising the following steps: (a) passing a water-containing stream (3) through an electrolysis unit (4) to produce a cathode-side stream (5) comprising hydrogen (H2) and an anode-side stream (6) comprising oxygen (O2); (b) heat-exchanging said cathode-side stream (5) and optionally said anode-side stream (6) in one or more indirect heat exchanger(s) (7, 8, 32, 33) to obtain a cathode-side heat-exchanged stream (9) and optionally an anode-side heat-exchanged stream (10); (c) condensing said cathode-side heat-exchanged stream (9) to separate a liquid condensate product (11) and a syngas (12); said cathode-side stream (5) and/or said syngas (12) comprise carbon dioxide and optional carbon monoxide added through a separate stream (2); (d) compressing said syngas (12) in a compressor (27, 28) and then feeding compressed syngas (13) to a MeOH synthesis loop (14) wherein catalytic conversion of said compressed syngas (13) into MeOH is carried out under methanol synthesis conditions, thus obtaining a crude methanol stream (15); (e) distilling said crude methanol stream (15) in one or more distillation column(s) (16, 17) to give a refined MeOH product (19, 22); (i) recycling as feed to the electrolysis unit (4) at least a portion of at least one of: (A) a portion (31) of said compressed syngas (13); and/or (B) a bottom water stream (20) of a distillation column (16, 17).
Resumen de: WO2026027472A1
A process or plant for the synthesis of methanol (MeOH). The process comprises: (a) passing a water-containing stream (3) through an electrolysis unit (4) to produce a cathode-side stream (5) comprising hydrogen (H2) and an anode-side stream (6) comprising oxygen (O2); (b) heat-exchanging said cathode-side stream (5) and optionally said anode-side stream (6) in one or more indirect heat exchanger(s) (7, 8, 32, 33) to obtain a cathode-side heat-exchanged stream (9) and optionally an anode-side heat-exchanged stream (10); (c) condensing said cathode-side heat-exchanged stream (9) to separate a liquid condensate product (11) and a syngas (12); said cathode-side stream (5) and/or said syngas (12) comprise carbon dioxide (CO2) and optional carbon monoxide (CO) added through a separate stream (2); (d) compressing said syngas (12) and then feeding compressed syngas (13) to a MeOH synthesis loop (14) wherein catalytic conversion of said compressed syngas (13) into MeOH is carried out under methanol synthesis conditions, thus obtaining a crude methanol stream (15); (e) distilling said crude methanol stream (15) in one or more distillation column(s) (16, 17) to give a refined MeOH product (22); wherein said one or more indirect heat exchanger(s) (7, 8, 32, 33) provide a heat input to said one or more distillation column(s) (16, 17), and/or to said MeOH synthesis loop (14), and/or to said electrolysis unit (4).
Resumen de: WO2026027165A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (In2, Out2), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Resumen de: WO2026027166A1
A frame assembly (Fr.Ass) comprising a frame (TF) configured to be integrated in a stack of frames of an electrolyzer, the frame comprising a central opening (CentOp), a first through opening (ln2, Out2), a top surface (Top) and a bottom surface (Bot) opposed to the top surface (Top), the frame further comprising an open channel (OpCh) on the bottom surface (Bot), the frame assembly comprising a bipolar plate (BP) formed from a polymer material, the bipolar plate being arranged so as to seal the open channel (OpChan), the bipolar plate being welded to the frame (TF).
Resumen de: AU2024291792A1
The disclosure concerns a process of carbon oxides-free hydrogen production is disclosed. The process comprises the following steps: - heating a gas stream of a reacting compound including hydrogen atoms in absence of oxidizing agents, to thermally decompose the reacting compound into smaller product compounds, including hydrogen molecules, obtaining a stream of decomposition product compounds; - separating hydrogen molecules from other product compounds of the stream of decomposition product compounds; - reacting a portion of the stream of separated hydrogen molecules with a stream of an oxidizing agent, in particular oxygen or air, to obtain combustion product compounds, including steam and heat, in a stream of combustion product compounds; - providing heat obtained in the previous step to the step of heating the reacting compound; and wherein the process can comprise a step of - recovering energy from the stream of decomposition product compounds and/or from the stream of combustion product compounds. Additionally, a system of hydrogen production is also disclosed, the system being configured to operate according to the above process.
Resumen de: AU2024291778A1
A method of synthesizing aluminum oxide includes reacting a gallium and aluminum composite in a hydrogen evolution reaction with water to form an aluminum byproduct having at least one of aluminum hydroxide or aluminum oxyhydroxide. The method also includes removing the aluminum byproduct and calcinating the aluminum byproduct to form aluminum oxide.
Resumen de: US20260035242A1
A hydrogen generation system with controlled water distribution is disclosed. The system comprises a reaction chamber containing a hydrogen-producing fuel, a liquid distribution mechanism, and a control system. The liquid distribution mechanism includes a rotating arm with liquid injection ports that move vertically through the fuel chamber. This allows for precise and efficient liquid delivery to unreacted fuel, optimizing hydrogen production. A proprietary fuel blend utilizes chemicals that store significant amounts of hydrogen in a solid-state form. A feature of the device is the arm's controlled vertical movement, achieved through a screw mechanism that adjusts the arm's height as it rotates, creating a spiral liquid distribution pattern. The control system regulates liquid injection rates, arm rotation speed, and vertical movement to optimize hydrogen production based on demand. The system can also operate at low pressures and be scaled to different sizes in a safer, more efficient, on-demand manner.
Resumen de: JP2026018134A
【課題】水素とホウ素からホウ化水素とそのシートを比較的簡単な方法で生成する製造方法を開発する。【解決手段】ホウ素微粒子２１と、大気圧プラズマ発生装置２７と、水素を含む作動気体を主たる要素とし、前記大気圧プラズマ発生装置２７の前記作動気体として少なくとも水素を大気圧プラズマ発生装置２７に供給し、大気圧プラズマを前記ホウ素微粒子２１に照射することにより、ホウ化水素７とそのシートであるホウ化水素シート８を生成することを特徴とするホウ化水素とそのシートの製造方法である。また、好ましくは、前記作動気体にホウ素微粒子を加えることが望ましい。更に好ましくは、前記容器内に撹拌機と皿を加え、前記皿内に入れた前記ホウ素微粒子に前記大気圧プラズマを照射するように配置することが望ましい。【選択図】図２
Resumen de: JP2026017689A
【課題】各水電解装置の特性劣化を効果的に抑制する。【解決手段】制御システム５０は、複数の水電解装置を含む水電解システムを制御する。制御システム５０は、水電解システムにより使用されるべき電力を示す電力指令値が電力閾値を超過することを含む第１条件と、電力指令値の変化量が変化閾値を超過することを含む第２条件との少なくとも一方の成否に応じて、複数の水電解装置の各々の稼働または停止を決定する動作決定部６１と、電力指令値と動作決定部６１による決定結果とに応じて複数の水電解装置の各々に対する個別指令値を設定する指令値設定部６２とを具備する。【選択図】図７
Resumen de: WO2026023164A1
This purification plant comprises: a temperature swing adsorption (TSA) tower in which unreacted ammonia is adsorbed to an adsorbent and removed from a decomposition gas and from which a resulting treated gas is discharged; a gas-purifying device that separately discharges product gas refined from the treated gas and off-gas; an off-gas heating device that heats the off-gas and supplies same to the TSA tower as regeneration gas for regenerating the adsorbent in the TSA tower; a combustion device that supplies, as a heat source for the off-gas heating device, a portion of a combustion gas resulting from combusting the regeneration gas discharged from the TSA tower; an off-gas flow path that circulates the off-gas through the combustion device; and a combustion-gas flow path that circulates the combustion gas through the off-gas heating device.
Resumen de: TW202511178A
To provide: an ammonia-hydrogen mixed fuel production apparatus capable of stably obtaining hydrogen from ammonia even when there is a change in the required ratio of fuel; and a fuel supply system. An ammonia-hydrogen mixed fuel production apparatus 1010A comprises: an oxygen separation device 13 that separates oxygen (O2) 12 at a desired concentration from air 11; a reforming reactor 15 that converts ammonia (NH3) supplied from a raw material supply unit 14 into hydrogen (H2) by using the oxygen having the desired concentration from the oxygen separation device 13; and a gas component analyzer 17 that measures the concentration of one or both of hydrogen and ammonia in a reformed gas 16 from the reforming reactor 15.
Resumen de: KR20260017211A
본 발명은 수소 첨가를 통해 배가스 및 바이오가스로부터 메탄 분리 및 나노탄소물질 제조방법, 이에 의하여 제조 가능한 탄소나노튜브 및 탄소 코팅된 실리콘 음극재에 관한 것으로, 더욱 상세하게는 (a) 배가스 또는 바이오가스, 또는 이들 모두에 포함된 혼합가스를 포집하고, 혼합가스에 포함된 불순물을 제거하는 단계; (b) 불순물이 제거된 혼합가스의 조성을 분석하여 소정량의 수소를 첨가하는 단계; (c) 수소가 첨가된 혼합가스를 제1 반응기에 투입하고, 상기 제1 반응기에 의하여 반응 후 생성물을 생성하는 단계; (d) 상기 제1 반응기에 의한 반응 후 생성물의 가스 분리를 통해 메탄을 분리하는 단계; (e) 상기 (d) 단계에서 분리된 메탄을 제2 반응기에 투입하여 나노탄소물질을 생성하는 단계; 및 (f) 상기 (c) 단계에서의 일부 생성물과, 상기 (d) 단계에서 메탄을 제외한 분리 가스 및 상기 (e) 단계에서의 제2 반응기에 의한 반응 후 생성된 가스를 선택적으로 재순환시키기 위한 단계;를 포함하여 이루어진다. 본 발명은 전북농기계·부품기술고도화 지원사업(IZ-24-0039)에 의한 위탁 연구를 통해 제안되었음을 밝힌다.
Resumen de: AU2025277771A1
Provided is a method for controlling a water electrolysis system with which operation states of a plurality of electrolysis stacks can be independently regulated highly responsively and highly efficiently. This method is for controlling a water electrolysis system which comprises: electrolysis stacks where water is electrolyzed to produce hydrogen and oxygen; a pure water feeder for feeding pure water to the electrolysis stacks; a first regulation part and a second regulation part, which are disposed between each electrolysis stack and the pure water feeder and are capable of regulating the operation state of the electrolysis stack; and an operation state regulation control unit which regulates the first regulation part and the second regulation part to regulate the operation states of the electrolysis stacks. The operation state regulation control unit, after receiving a command to change the operation state of an electrolysis stack, operates the first regulation part on the basis of the operation state and, when a predetermined requirement has been satisfied, operates the second regulation part simultaneously with the first regulation part on the basis of the operation state.
Resumen de: WO2026028988A1
This ion exchange membrane has a short side and a long side of 80 m or more. A membrane thickness deviation rate A, ion exchange capacity deviation rate B, and ion exchange group residual ratio C, which are calculated by a predetermined method, are within a specific numerical range.
Nº publicación: WO2026029709A1 05/02/2026
Solicitante:
NANYANG TECHNOLOGICAL UNIV [SG]
NANYANG TECHNOLOGICAL UNIVERSITY
Resumen de: WO2026029709A1
The present disclosure broadly relates to a method of preparing a supported high-entropy oxide nanostructure The method may comprise the step of: irradiating, with a laser, a substrate coated with a hydrogel to form the high-entropy oxide nanostructure, wherein the hydrogel comprises at least five metal salts, a cross-linking agent, a carbonaceous substance and water to form a high-entropy oxide nanostructure. There is also disclosed herein a high- entropy oxide nanostructure produced by the method as well as the use of the high-entropy oxide nanostructure for forming hydrogen.
BOPI
Sede Electrónica
