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812
resultados
Última actualización
22/11/2025 [07:26:00]
Resultados 750 a 775 de 812
Resumen de: EP4620562A1
Apparatus for the endothermic reaction of a gas feed, the apparatus comprising :- a pre-heater (11) arranged for pre-heating the gas feed,- at least one reactor tube (22),- a furnace (21) arranged for the radiation and/or convection heating of said at least one reactor tube (22),said at least one reactor tube (22) being at least partially filled with a catalyst material (30) configured for promoting the endothermic reaction, said at least one reactor tube (22) comprising :- a tube inlet for said pre-heated gas feed,- a main reaction tube portion (34) extending within said furnace (21) and a pre-reaction tube portion (33) extending outside of the furnace (21), said pre-reaction tube portion (33) being arranged between the tube inlet and the main reaction tube portion (34),wherein part of the catalyst material (30) is extending within the pre-reaction tube portion (33).
Resumen de: EP4621699A1
The present invention relates to a clean energy convergence center using blue and green hydrogen. According to an embodiment of the present invention, the clean energy convergence center comprises: a clean hydrogen production base for producing blue and green hydrogen through the capture, storage, and recycling of carbon dioxide generated during methane reforming; and at least one clean hydrogen node that is supplied with the blue and green hydrogen produced from the clean hydrogen production base. The clean hydrogen nodes are distributed in large numbers throughout the country in consideration of factors including the area and population of each of regions and the distance to the clean hydrogen production base. The clean hydrogen production base and the clean hydrogen nodes are connected, and infrastructure including logistics, rest facilities, offices, and restaurants is expanded around each of the distributed clean hydrogen nodes.
Resumen de: EP4621106A1
An electrolysis system (1) includes: an electrolysis cell (2); and a mediator reduction tank (4). The electrolysis cell (2) has: an anode electrode (10) that electrochemically oxidizes a reduced form (MRed) of a mediator; and a cathode electrode (8) that performs at least one of generation of hydrogen by electrochemical reduction of protons or water and generation of an organic hydride by electrochemical reduction of a hydrogenation target substance. The mediator reduction tank (4) non-photochemically reduces an oxidized form (MOx) of the mediator generated in the electrolysis cell (2).
Resumen de: EP4621107A1
A water electrolyzer includes a water electrolysis cell, a voltage applicator, a pressure regulating valve, and a controller. The water electrolysis cell includes a diaphragm or an electrolyte membrane, an anode, and a cathode. The anode is provided in one of two spaces separated by the diaphragm, or on one of two main surfaces of the electrolyte membrane. The cathode is provided in the other space separated by the diaphragm, or on the other main surface of the electrolyte membrane. The voltage applicator applies voltage between the anode and the cathode. In start-up of the water electrolyzer, the controller controls the voltage applicator to increase current flowing through the water electrolysis cell, and then controls the pressure regulating valve to increase set pressure of the pressure regulating valve.
Resumen de: EP4620566A1
The present invention provides a ruthenium catalyst for ammonia decomposition reaction and a method for producing the same. The ruthenium catalyst exhibits a conversion rate of almost 100% at a reaction temperature of 550°C, further exhibits a conversion rate of 93.6% or higher even at 500°C, and also exhibits a conversion rate of about 60% or higher even at a low reaction temperature of 450°C, so that the catalyst has excellent ammonia decomposition activity and low manufacturing cost and thus is economical for an ammonia decomposition process even in a large-scale decomposition process of a relatively low temperature.
Resumen de: EP4620907A1
In a process in which ammonia is cracked to form a hydrogen gas product and an offgas comprising nitrogen gas, residual hydrogen gas and residual ammonia gas, residual ammonia is recovered from the offgas from the hydrogen recovery process by partial condensation and phase separation, and hydrogen is recovered from the resultant ammonia-lean offgas by partial condensation and phase separation. The recovered ammonia may be recycled the cracking process and the recovered hydrogen may be recycled to the hydrogen recovery process to improve hydrogen recovery from the cracked gas. Overall hydrogen recovery from the ammonia may thereby be increased to over 99%.
Resumen de: EP4621082A1
Apparatus (1) for metal smelting, wherein the metals processed in the smelting furnace are recycled metals, preferably recycled aluminium, comprising:- a smelting furnace comprising one or more burners (5) fed with methane from the network and air supplied by an atmospheric air blower (6) for intended for combustion;- a water electrolyser (4) capable of producing a mixture of gaseous hydrogen and oxygen; such gases being immediately conveyed to the burner (5) without interposition of storage tanks;characterised in thatsaid water electrolyser (4) is powered by a solar panel (2),further comprising batteries for storing the electric energy generated by said solar panel (2).Such apparatus further comprises a system adjusting the supply of gaseous hydrogen and oxygen using sensor measuring the quantity of carbon dioxide, carbon monoxide, nitrogen oxides, particulate matter generated during furnace operation.
Resumen de: EP4621100A2
An electrochemical reaction device includes: an electrochemical reaction structure including a cathode to reduce carbon dioxide to produce a carbon compound, an anode to oxidize water to produce oxygen, a diaphragm therebetween, a cathode flow path on the cathode, and an anode flow path on the anode; a first flow path through which a first fluid to the cathode flow path flows; a second flow path through which a second fluid to the anode flow path flows; a third flow path through which a third fluid from the cathode flow path flows; a fourth flow path through which a fourth fluid from the anode flow path flows; and a gas-liquid separator in or on the anode flow path and to separate a gas containing the oxygen from a fifth fluid containing the water and the oxygen through the anode flow path.
Resumen de: KR20250139936A
본 발명의 일 실시예에 따른 수소 발생 시스템은 NaBH₄를 활용한 수소 발생 시스템에 있어서, 내부에서 수소 발생 반응이 발생하는 반응 용기; 상기 반응 용기의 상부에 배치되고, 제 1 펌프와 연결되어 하부로 NaBH₄ 수용액을 분사시키는 노즐; 상기 노즐을 통해 분사되는 NaBH₄ 수용액에 대응되는 위치에 배치되고 상기 NaBH₄ 수용액의 수소 발생 반응속도를 촉진시키는 촉매부; 상기 반응 용기의 하부에 결합되고, 상기 수소를 제외한 생성물을 저장하는 저장 용기; 및 상기 반응 용기와 연결되고, 상기 수소를 제 2 펌프를 통해 연료 전지로 공급하는 공급부를 포함할 수 있다.
Resumen de: AU2023381476A1
A cell frame adapted for use in a pressurised electrolyser cell stack is provided. From an inner circumferential rim of the cell frame, a circumferential radial shelf with inwardly tapering thickness is provided, such that an annular space between a circumferential radial shelf and a neighbouring circumferential radial shelf is provided when cell frames are stacked in alignment with each other, and that outwardly of the circumferential radial shelf, a mobility link is provided which connects the radial shelf to the remaining cell frame.
Resumen de: CN120683544A
本发明公开一种负载氮化钼复合催化剂及其在电解水制氢中的应用，涉及到稀土元素催化剂技术领域。将钼酸盐溶于去离子水，加入预处理的氟化物和纳米氢氧化镍添加剂，经160‑220℃水热反应10‑20h，过滤干燥，得前驱体，前驱体在氨气/氮气混合气氛中以4‑8℃/min升温至600‑800℃，保温4‑8h，制得复合催化剂。氟化物预处理形成导电网络，解决MoN本征导电性差问题；氢氧化镍优化MoN的d带中心，降低氢吸附能垒；复合氟助剂增强电子传导，三者协同显著提升本征活性。水热‑氮化工艺构建分级多孔骨架，氟化物溶蚀形成孔隙，氢氧化镍细化活性相，暴露丰富活性位点并抑制烧结失活。在电解水制氢中产氢速率较对比例提升60%以上，且工艺参数范围内性能稳定，具备工业化潜力。
Resumen de: DK202400198A1
The present invention relates to an alkaline electrolysis unit for splitting water into hydrogen and oxygen comprising a vertical cylinder (112) constituting an anode (113), a cathode (114) and a diaphragm (115) allowing passage of OH⁻ from the cathode to the anode, wherein said vertical cylinder is made up of rolled up layers of the electrodes (113, 114) and the diaphragm (115) such that the oxygen and hydrogen gasses can escape the vertical cylinder upwards.
Resumen de: US2025297392A1
A water electrolysis stack includes: a membrane electrode assembly including an electrolyte membrane and a plate-shaped current collector provided on one of both sides of the electrolyte membrane in the thickness direction thereof; a water introduction unit for introducing water from the outside; a water flow path member disposed so as to face the current collector and provided with a water flow path for guiding, along the surface direction of the current collector, the water introduced into the water introduction unit; and a pumping unit for pumping the water to the water introduction unit. The pumping unit continuously changes the pumping amount of the water, thereby pulsating the water flowing through the water flow path along the surface direction of the current collector.
Resumen de: CN120683531A
本发明提供一种用于PEM电解水膜电极的消氢层及其制备方法与应用。本发明用于PEM电解水膜电极的消氢层由消氢层浆料制成，消氢层浆料包括以下组分：消氢催化剂、有机醇、离聚物和超纯水，消氢层浆料中固含量为0.5%‑3%，离聚物与消氢催化剂的质量比为0.1‑1.5，有机醇的质量含量为20‑50%。本发明的消氢层直接集成在多孔传输层（PTL）上，无需改变膜电极结构；消氢层集成在PTL上增加孔隙曲折度，减缓氢气扩散速率，微孔结构在减缓氢气扩散的同时复合/吸附氢气；消氢层能有效缓解阴极氢气渗透现象，降低电解槽运行的安全隐患，并且对电解槽性能无负面影响。
Resumen de: CN120683552A
本发明属于电催化水分解技术领域，具体涉及一种漆渣活性炭‑MOF复合电极材料的制备方法和应用。在本发明中，漆渣活性炭富含CaCO3和Al，在原位合成金属有机骨架材料MOF的过程中，其中的Al参与MOF配位，诱导电子重新分布并形成丰富的氧空位，暴露了更多的活性位点，同时CaCO3作为支撑结构抑制了MOF团聚，最终实现电化学性能的协同提升。由电极活性材料制备得到的电催化电极，相比于单独使用漆渣活性炭制备的电催化电极，电化学性能提升明显。本发明利用水热法结合煅烧法制备得到复合电极材料，该制备工艺简单，操作性强，且工艺高效、环保，实现了废弃漆渣资源化利用。
Resumen de: CN120679563A
本发明公开了一种镍基助催化剂及其制备方法与在析氢反应中的应用，涉及光催化制氢技术领域。本发明公开的方法包括将镍盐、硫源与磷源进行水热反应后分离研磨得镍基助催化剂。本发明提供了一种镍基助催化剂的简易制备方法，且制备得到的复合镍基助催化剂的存在有效抑制了电子‑空穴对的复合，促进了光生载流子的迁移，从而在光催化析氢中展现了优异的析氢性能，重复性高，可用于工业大规模使用。
Resumen de: CN120683540A
本发明公开了一种镍钴合金复合镍钴氧化物材料及其制备方法和应用。具体涉及纳米材料和电催化领域。先将无机钴盐、无机镍盐和对苯二甲酸与N，N‑二甲基甲酰胺水溶液混合成均相溶液；再将该均相溶液单独或与导电基底一同置于反应釜中进行溶剂热反应，冷却至室温后收集含有或不含导电基底原位自生长的材料并进行洗涤、干燥，得到含有或不含导电基底原位自生长的镍掺杂对苯二甲酸钴材料前驱体；最后将前驱体在高温下热解，洗涤、干燥，得到含有或不含导电基底原位自生长的镍钴合金复合镍钴氧化物材料。本发明的镍钴合金复合镍钴氧化物材料性能优异，在电催化水分解和电催化重水分解领域具有良好的应用前景，工艺流程简单，适用于规模化工业生产。
Resumen de: CN120683722A
本发明涉及电解水制氢技术领域，公开了一种增强型复合隔膜及其制备和应用。所述复合隔膜包括聚合物丝网以及置于聚合物丝网上的阴离子交换树脂涂覆层；其中，所述阴离子交换树脂具有式(1)所示的结构式：式(1)，其中，R1为联芳基；R2为‑CH3、‑CH2CH3、‑CF3和‑CH2CF3中的至少一种；R3为C1‑C6的烷基；X为卤素。该增强型复合隔膜具有较高的热碱稳定性。
Resumen de: CN120679573A
本发明提供了一种钴基催化剂及其制备方法与应用，所述钴基催化剂的化学式为Co(OH)x(CO3)1‑0.5x，x不高于2，所述钴基催化剂具有纳米纤维三维网络结构。本发明提供的钴基催化剂具有纳米纤维三维网络结构，且团聚现象得到极大地改善，因此具有较高的比表面积，能够暴露出更多的活性位点，因此，具有优异的催化性能。
Resumen de: AU2024301470A1
The present invention relates to an electrolysis system (100) comprising a renewable power generation plant (1), an electrolysis plant (3), a transformer station (27) and an AC bus bar (5), wherein the renewable power generation plant (1) is connected to the public electricity grid at a point of connection (POC) via the AC bus bar (5) and comprises a power plant controller (7) and a self-controlled converter (9) that is connected to the AC bus bar (5). The electrolysis plant (3) comprises an electrolysis active power controller (11) and a converter arrangement (13) that is connected to the AC bus bar (5), and wherein the electrolysis active power controller (11) is configured for controlling active power (P) of the electrolysis plant (3) at the AC bus bar (5) and the power plant controller (7) is configured for controlling reactive power (Q) at the point of connection (POC).
Resumen de: CN120683533A
本发明公开了一种非对称结构铱基催化剂的制备方法和应用，属于电化学催化剂制备技术领域。本发明采用一锅法和空气煅烧策略制备了具有非对称结构铱基催化剂，能够打破Ir‑O‑Ir对称结构，改变IrO2的局部配位环境，从而大幅提高催化剂的催化活性，加快OER反应速率，促进电解水制氢技术的发展。
Resumen de: CN120683525A
本发明公开一种钴铁基自支撑析氧电极及其制备方法和应用，属于电极技术领域。该电极通过简单的溶液浸置‑刻蚀法，通过前驱体溶液的调配，在泡沫镍表面生长一层针状钴铁层状双氢氧化物催化剂后得到。制备方法包括以下步骤：将硝酸钴的异丙醇溶液与硫酸亚铁水溶液进行混合，将镍基基底放入上述溶液中进行浸置刻蚀，即可得到钴铁层状双氢氧化物催化剂电极。本发明的制备方法不仅工艺路线成熟简单，条件温和，容易控制且易于放大，还显著提升了镍基催化剂的析氧（OER）催化活性。
Resumen de: CN120683543A
本发明公开了一种生物小分子基‑钴/二硫化钼复合材料及其制备方法和应用。本发明以生物小分子为碳材料，在一步水热法基础上再经硫化处理，即可将生物小分子与钴和二硫化钼复合生成生物小分子基‑钴/二硫化钼复合材料。该复合材料具有高的电化学析氢性能和催化活性，可媲美于商业20 wt%铂碳催化剂，且其合成工艺简单，成本低廉，具有良好的应用前景。
Resumen de: CN120679514A
本发明公开了一种用于有机物废水产氢的新型光催化剂及其制备方法，涉及光催化技术领域。本发明的光催化剂结合氧化还原能力，在太阳光照射下有效降解和产氢。通过季铵化多孔氧化钨和钒酸根的结合，促进钒酸银负载生长，提高太阳光利用率和降低电子‑空穴复合率。利用还原氧化石墨烯预处理，引入活性基团，与氧化钨/钒酸银复合，通过热处理加强结合力，利用其导电性抑制光生电子‑空穴对复合，提升可见光催化性能。多孔三氧化钨和还原氧化石墨烯的吸附作用可加速有机物降解。通过优化钒酸银、氧化钨、还原氧化石墨烯的比例，增强可见光响应和电荷分离效率，提升降解和产氢性能，减少光腐蚀。
Nº publicación: CN120679430A 23/09/2025
Solicitante:
乔治洛德方法研究和开发液化空气有限公司
Resumen de: US2025296063A1
Apparatus for the endothermic reaction of a gas feed, the apparatus comprising: a pre-heater arranged for pre-heating the gas feed, —at least one reactor tube, —a furnace arranged for the radiation and/or convection heating of said at least one reactor tube, said at least one reactor tube being at least partially filled with a catalyst material configured for promoting the endothermic reaction, said at least one reactor tube comprising a tube inlet for said pre-heated gas feed, —a main reaction tube portion extending within said furnace and a pre-reaction tube portion extending outside of the furnace, said pre-reaction tube portion being arranged between the tube inlet and the main reaction tube portion, wherein part of the catalyst material is extending within the pre-reaction tube portion.
BOPI
Sede Electrónica
