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1045
resultados
Última actualización
22/03/2026 [07:01:00]
Resultados 200 a 225 de 1045
Resumen de: US20260048995A1
A method for manufacturing nano metal oxides and hydrogen includes the following steps: Step A, providing a first reactor, and placing a metal material, an alcohol compound, and a first catalyst in the first reactor and applying heating thereto for reacting to generate a metal alkoxide compound, while simultaneously generating a substantial amount of hydrogen; and Step B, providing a second reactor, and, after the metal material in the first reactor has fully reacted in Step A, transferring remaining solution in the first reactor into the second reactor, and adding a second catalyst and a controlled amount of water, and applying appropriate heating to generate nano metal oxide in powder form. As such, effects of significant reduction of production cost, enhancement of safety, widespread application of hydrogen fuel cells, extremely low carbon emissions, being defined as “green hydrogen”, and reduction of storage costs and risks can be achieved.
Resumen de: CN120857975A
The invention discloses a catalyst for ammonia dehydrogenation, a preparation method thereof and a method for preparing hydrogen by using the catalyst. The disclosed catalyst for ammonia dehydrogenation comprises a clay, and an alkali metal and ruthenium impregnated in the clay.
Resumen de: KR20240154110A
The present invention relates to a method for preparing a complex metal catalyst in the form of a tri-metal of ruthenium, yttrium, and potassium by using a thermally transformed delta-alumina support and to a method for preparing hydrogen through an ammonia cracking reaction using the same. An ammonia cracking catalyst according to the present invention adjusts the ratio of ruthenium/potassium + yttrium, along with a thermally transformed alumina support in a specific phase, even when using a low content of ruthenium metal, minimizes the contents of chlorine and nitrogen compounds, which are impurities in the catalyst, and localizes active metals in the catalyst, thereby achieving a very high ammonia conversion rate and hydrogen production efficiency even at low temperatures, compared with a catalyst having the same content of the ruthenium metal.
Resumen de: CN121574674A
本发明涉及质子交换膜电解槽装配技术领域，本发明公开了一种质子交换膜电解槽密封垫片装配用粘接剂及其制备方法，粘接剂包括质量分数如下的原料：原胶5%‑40%、乳化剂1%‑10%、增粘剂2%‑10%和溶剂40%‑90%组成。将原料在20℃‑50℃的环境下充分搅拌，搅拌混合均匀即得到本申请的粘接剂。本发明的粘接剂粘结强度高的同时粘性低、固化时间短，相较传统的粘结剂具有显著的优势；同时，使用方法操作简单、易于点胶，适配各种自动化操作过程，应用本申请的粘接剂能够解决低表面能橡胶和钛金属件难以固定的问题，提升密封垫片搭接效率和搭接稳定性。
Resumen de: CN121577725A
一种模拟阴离子交换膜水电解槽产生反向电流的方法及反向电流对电极影响的加速应力测试应用，它涉及电化学技术领域。产生反向电流的方法：在恒定电解状态下，停机瞬间施加0V，阳极电位会跨越平衡电位，出现‑1.0 V vs. RHE的瞬时反向极化信号，随后快速衰减并趋近于零，表明反向电流已被成功诱发。加速应力测试方法：在不同电流密度下分别运行，每个电流密度下运行后需要重新停机、再启动的操作，重复循环上述操作。本发明实现了对AEMWE阳极失效过程的实时追踪与定量评估，明确了阳极在反向电流条件下的活性衰减路径与惰性覆盖层形成过程，为波动工况下AEMWE电极可靠性评估提供了借鉴。
Resumen de: CN121571065A
本发明涉及新能源制氢技术领域，具体是一种动力装置废热供能的甲酸液相/汽相梯级制氢系统。该系统可充分利用氢燃料电池发动机等动力装置运行过程中的废热，加热甲酸制氢反应液，提高反应液温度进而强化甲酸分解制氢性能，甲酸所产氢气经纯化后进入氢动力装置，为氢动力装置提供氢气来源。
Resumen de: CN121575428A
本发明提供一种可稳定连续独立产生双气泡的双电极结构及制备方法，双电极结构包括外部绝缘管、电极线、内部绝缘管、导线和密封体；内部绝缘管中有第一电极线，外部绝缘管中设有第二电极线，第一电极线和第二电极线平行，第一电极线和第二电极线的第一端连接导线，第一电极线和第二电极线的第二端与外部绝缘管端面平齐并密封，第一端处外部绝缘管、导线以及内部绝缘管之间的间隙设置密封体；内部绝缘管的第一端和第一电极线的第一端均置于密封体中，两根电极线在外部绝缘管内绝缘；在电极表面产生微米级单气泡，防止电解液渗漏导致的短路或腐蚀，从根源上杜绝了电极表面多气泡的产生，保障了电极在同一时刻只产生单气泡，并延长了装置使用寿命。
Resumen de: MA73371A1
A Solid Oxide Cell stack has at least one connection plate between the solid oxide cell stack and an adjacent end plate, two adjacent end plates and/or between adjacent solid oxide cell sub-stacks.
Resumen de: WO2026041485A1
The present invention relates to a bipolar plate (100) for an electrolysis system (200), wherein the bipolar plate (100) comprises: - a main body (101) having a first side (103) and a second side (105) opposite the first side (103), wherein a plurality of channels (107) run at least on the first side (103) from a first end to a second end of the bipolar plate (100) opposite the first end, wherein guide paths (109) are formed between respective adjacent channels (107), and wherein respective channels (107) comprise a number of openings (111) which are configured to guide fluid flowing through the channels (107) into the guide paths (109).
Resumen de: US20260055516A1
A water electrolysis cell includes a membrane-electrode assembly, a frame body made of resin that is provided along a peripheral edge of the membrane-electrode assembly, and a first separator and a second separator that face each other through the membrane-electrode assembly and the frame body and are joined to each other by the frame body. An outer peripheral portion of the membrane-electrode assembly is extended to between a first face of the frame body and the first separator. A surface of the first face includes an antioxidant.
Resumen de: DE102024207916A1
Die vorgestellte Erfindung betrifft eine Bipolarplatte (100) für ein Elektrolysesystem (200),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 der Bipolarplatte (100) verlaufen,wobei zwischen jeweiligen benachbarten Kanälen (107) Leitpfade (109) ausgebildet sind, undwobei jeweilige Kanäle (107) eine Anzahl Öffnungen (111) umfassen, die dazu konfiguriert sind, durch die Kanäle (107) strömendes Fluid in die Leitpfade (109) zu leiten.
Resumen de: DE102025110831A1
Eine Wasserelektrolysezelle beinhaltet eine Membran-Elektroden-Anordnung, einen Rahmenkörper aus Harz, der entlang einer Umfangskante der Membran-Elektroden-Anordnung bereitgestellt ist, und einen ersten Separator und einen zweiten Separator, die einander durch die Membran-Elektroden-Anordnung und den Rahmenkörper gegenüberliegen und durch den Rahmenkörper miteinander verbunden sind. Ein äußerer Umfangsabschnitt der Membran-Elektroden-Anordnung erstreckt sich bis zwischen einer ersten Fläche des Rahmenkörpers und den ersten Separator. Eine Oberfläche der ersten Fläche beinhaltet ein Antioxidationsmittel.
Resumen de: US20260054981A1
A method for hydrogen production may comprise: feeding a steam stream and a natural gas stream to a methane reforming unit to produce a gray hydrogen gas and CO2 stream; feeding the gray hydrogen and CO2 stream to a CO2 capture unit to produce blue hydrogen; feeding a water stream and electricity to an electrolyzer unit to produce a green hydrogen gas and oxygen; and collecting the blue hydrogen from the CO2 capture unit and the green hydrogen from the electrolyzer unit. A hydrogen production system may comprise: a methane reforming unit; a CO2 capture unit; and an electrolyzer.
Resumen de: AU2026200812A1
22418031_1 (GHMatters) P121123.AU.1 The present application relates to water electrolyzers, including water electrolyzers incorporating anion exchange membranes. The present applications also 5 relates to materials incorporated into water electrolyzers and approaches for manufacturing water electrolyzers, as well as methods of using water electrolyzers. eb e b
Resumen de: AU2024327448A1
The present invention relates generally to the production of a desalinated, filtrated or other way treated water simultaneously with generation of renewal energy source, in particular hydrogen, using osmotic and/or gauge pressure driven filtration processes and systems. The co-generation of hydrogen 11 from water 8 produced during pressure driven water desalination/filtration processes, such as reverse osmosis, forward osmosis, pressure retarded osmosis or ultrafiltration. A small part of feed, raw saline solution and/or permeate involved in a desalination/filtration processes is subjected to electrolysis thereby splitting the water to produce hydrogen. This is achieved by the provision of novel RO type semi- permeable membranes and UF type membrane that incorporate electrodes 9, 10 within the membrane to allow splitting of the water via electrolysis.
Resumen de: KR20260026365A
본 발명에 따른 촉매 구조체 제조 방법은, 전도성 집전체를 준비하는 단계, 전이금속 및 칼코겐 원소를 포함하는 촉매층 소스를 준비하는 단계, 상기 전도성 집전체 상에 상기 촉매층 소스를 코팅하여 예비 촉매층을 포함하는 예비 촉매 구조체를 제조하는 단계, 및 상기 예비 촉매 구조체, 알칼리 금속 전극, 및 전해질을 이용한 전기화학적 양이온 주입 방법으로, 상기 예비 촉매 구조체의 상기 예비 촉매층을 촉매층으로 전환시켜 상기 촉매층을 포함하는 상기 촉매 구조체를 제조하는 단계를 포함하고, 전기화학적 양이온 주입 과정에서, 과전압의 방전에 의해 상기 촉매층의 결정 구조가 반도체 특징을 갖는 결정 구조에서 금속 특징을 갖는 결정 구조로 전환되는 것을 포함할 수 있다.
Resumen de: US20260055526A1
There are provided system for preparing lithium hydroxide from an aqueous composition comprising a lithium compound and use of the system thereof to prepare lithium hydroxide, the system comprising an electrochemical cell, a pH probe and at least one inlet for receiving acid or base for maintaining pH. For example, the lithium compound can be lithium sulphate and the aqueous composition can be at least substantially maintained at a pH having a value of about 2 to about 4.
Resumen de: WO2026042828A1
Problem To provide a water electrolysis method and a water electrolysis system with which water electrolysis can be highly efficiently performed under non-extreme pH conditions. Solution Provided is a water electrolysis method in a buffer solution having a pH of 7 to 12, wherein the buffer solution is composed of an electrolyte solution containing at least one cation species selected from the group consisting of alkali metal cations and at least one anion species selected from the group consisting of borates and carbonates, and the electrolyte solution contains 0.1 to 6.0 mol/kg of phosphate ions.
Resumen de: WO2026040290A1
A hydrogen evolution electrocatalyst, a preparation method therefor, and the use thereof. The hydrogen evolution electrocatalyst comprises a nickel foam substrate, a Ni3S2 nanosheet layer and a graphdiyne coating layer; at least part of the outer surface of the nickel foam substrate is provided with the Ni3S2 nanosheet layer; nickel atoms in the Ni3S2 nanosheet layer come from the nickel foam substrate; at least part of the outer surface of the Ni3S2 nanosheet layer is provided with the graphdiyne coating layer. The hydrogen evolution electrocatalyst has the characteristic of high catalytic activity.
Resumen de: WO2026039871A1
The present disclosure relates to hydrogen storage mediums comprising sodium borohydride, magnesium oxide, and magnesium which release hydrogen when contacted with a proton source. The present disclosure also relates to methods of producing hydrogen storage mediums.
Resumen de: US20260054247A1
The invention relates to a device, stacked plate reactor and to a method for investigating chemical processes to be carried out simultaneously or almost at the same time on a large number of functional element variations of the process parameters.
Resumen de: US20260055524A1
Low-cost and earth abundant, Ni1-xMox alloy nanocrystals, with sizes ranging from 18-43 nm and varying Mo composition (0.0-11.4%), were produced by a colloidal chemistry method for alkaline HER reactions. For a water splitting current density of −10 mA/cm2, these alloys demonstrate over-potentials of −62 to −177 mV, which are comparable to commercial Pt-based electrocatalysts (−68 to −129 mV). The cubic Ni0.934Mo0.066 alloy nanocrystals exhibit the highest activity as alkaline HER electrocatalysts, outperforming commercial Pt/C (20 wt %) catalyst.
Resumen de: US20260055523A1
The technology generally concerns novel aerogels of mixed metal oxides and uses thereof as electrocatalysts.
Resumen de: US20260055522A1
Provided herein is a hydrogen gas production assembly includes a hydrogen gas production device, a container including an aqueous electrolyte solution, a storage container for storing produced hydrogen gas an input providing the aqueous electrolyte solution from the container to the hydrogen gas production device and an output for transferring produced hydrogen gas from the hydrogen gas production device to the storage container.
Nº publicación: US20260055519A1 26/02/2026
Solicitante:
DENSO CORP [JP]
DENSO CORPORATION
Resumen de: US20260055519A1
An electrolysis apparatus operation system includes an electrolysis apparatus, a control unit, a target state-of-health value input unit, and a control parameter calculating unit. The electrolysis apparatus has a plurality of electrolytic stacks in which a plurality of electrolytic cells that produce hydrogen by electrolyzing water are stacked. The control unit controls a controlled subject based on a control parameter that affects state-of-health of the controlled subject. The target state-of-health value input unit allows a system user to input a target state-of-health value that is a target value for state-of-health. The control parameter calculating unit calculates a control parameter of the controlled subject based on the target state-of-health value. The controlled subject is the electrolysis apparatus.
BOPI
Sede Electrónica
