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1102
results.
Updated on
21/08/2026 [07:00:00]
Results 575 to 600 of 1102
Absstract of: CN122355232A
本发明公开了一种氮化碳负载铜基MOF催化剂的光催化水解制氢方法，属于光催化制氢技术领域。本发明解决了现有光催化制氢方法中氮化碳基催化剂活性低、反应条件不适配、制氢效率差的技术问题，采用的技术方案要点为：以C3N4‑C与Cu(NO3)2・3H2O摩尔比1:2.0制备的C3N4‑C‑MOF2.0为光催化剂，曙红Y为光敏剂，三乙醇胺为电子给体，按比例配制pH8.0‑9.0的水相反应体系，脱气后在6℃、420 nm以上可见光照射下反应3 h，采用气相色谱检测产氢量，催化剂可循环使用。本方法制氢效率高，析氢速率达12.7 mmol·g‑1·h‑1，催化剂稳定性好，工艺简单可控，环境友好，适用于可见光驱动的规模化绿氢制备。
Absstract of: CN122358231A
0001 本发明公开了一种超细磷化钴纳米簇/碳复合催化剂、负载型催化剂及其制备方法和应用，属于液态储氢与纳米催化剂制备领域。本发明采用温和的低温300‑400℃原位热处理策略，避免了高温下金属纳米颗粒的长大与团聚。制备出的超细磷化钴纳米簇平均尺寸可达到4.40±1.3 nm，极小的尺寸提供了更大的电化学活性比表面积，充分暴露了催化活性位点。在30℃条件下，该催化剂对氨硼烷水解表现出超高的催化活性，转换效率TOF高达1188 h<‑1>，性能远超大多数已报道的非贵金属催化剂。
Absstract of: CN122352334A
本发明属于氨分解催化剂技术领域，具体涉及一种硅铝非贵金属的氨分解催化剂及其制备方法和应用。所述硅铝非贵金属的氨分解催化剂，以硅铝分子筛为载体，氧化镍与稀土金属氧化物为催化剂。其中，所述硅铝分子筛是由三氧化二铝和二氧化硅按质量比1：0.1~10形成的复杂不规则的非晶态的分子筛。所述硅铝分子筛、氧化镍和稀土金属氧化物的质量比为35~89：10~50：1~15。所述氧化镍和稀土金属氧化物分布在硅铝分子筛的表面。本发明的分子筛具有高比表面积与规整的孔道结构，能够使得氧化镍更分散。避免镍与铝在体系中形成铝酸镍尖晶石结构，导致催化剂失活。
Absstract of: CN122352286A
本发明公开了一种Pt基晶态‑非晶态异质结构催化剂及其制备方法和应用。本发明通过Mo沉积ZIF‑67后焙烧，得到由晶态Co3O4纳米颗粒堆积形成的多孔骨架及表面钴钼氧化物前驱体构成的固体产物；再经液相还原，使钴钼氧化物前驱体转化为非晶态片状CoMo材料并原位生长附着于多孔骨架表面，形成晶态‑非晶异质界面，同时Pt纳米颗粒被还原并负载于该界面上。所得催化剂具有晶态‑非晶复合异质结构，Pt高度分散于异质界面，金属‑载体相互作用强。该催化剂在常温常压下催化氨硼烷水解制氢性能优异，1.05分钟内即可完全释氢，且Pt用量低，制备方法简单，适合工业化应用。
Absstract of: CN122352342A
0001 本发明提供了一种水溶性纳米石墨烯光催化剂，由纳米石墨烯和两亲性聚合物通过瞬时纳米沉淀法制备而成；所述两亲性聚合物为含亲水段和疏水段的大分子化合物，所述亲水段包括聚乙二醇、聚氧化乙烯、壳聚糖、透明质酸、马来酸/马来酸酐中的至少一种，所述疏水段包括聚乳酸‑羟基乙酸、聚己内酯、聚乳酸、聚苯乙烯、聚天冬氨酸、聚赖氨酸中的至少一种。本发明基于纳米石墨烯分子的水溶性纳米粒子改善了纳米石墨烯材料在水中均匀分散性，能为助催化剂提供更多的光活性位点，缩短光生电荷分离迁移到光催化剂边缘的路径，提高电荷转移效率，从而提高光催化活性。
Absstract of: CN122355233A
0001 本发明涉及氢能源技术领域，具体是指一种光催化分解水的制氢方法。解决现有光催化制氢方法存在反应条件苛刻、制氢效率低、催化剂循环稳定性差等问题。具体是以水为反应介质，添加催化剂与电子牺牲剂，在可见光照射下，实现水分解制氢；所述催化剂以铁酸钴、硫化锌铟、生物炭为原料制备而成，所述电子牺牲剂为三乙醇胺。本方法通过催化剂与电子牺牲剂的协同作用，强化光生载流子的分离与传输，制氢效率高、稳定性强、工艺简便、成本可控，同时氢能作为零碳能源可替代化石燃料，从源头减污降碳，助力双碳目标，为氢能规模化制备提供了高效方案，兼具工业应用与生态环保价值。
Absstract of: CN122358252A
本公开提供了一种电解水催化剂及其制备方法、催化电极和制氢系统。电解水催化剂包括：载体，载体包括具有耐酸腐蚀特性的配位结构，配位结构包括羟基官能团、氧空位和特定位点金属缺陷中的至少一种；贵金属原子，贵金属原子锚定于配位结构的至少部分表面，贵金属原子与载体表面的原子形成M‑O‑M'桥联配位结构，其中，M为贵金属，M'为载体表面的金属原子，O为氧原子。贵金属以原子级分散的形态锚定于载体表层，极大地提高了贵金属原子的暴露率和利用率，使每一个贵金属原子均成为有效的活性位点，从而显著提升了电解水催化剂的本征活性。
Absstract of: CN122358251A
本发明公开了一种负载型电催化剂及其制备方法和应用，所述负载型电催化剂的制备方法，包括以下步骤：将Nb2AlC加入氢氟酸中进行刻蚀，刻蚀产物经离心收集、洗涤和干燥，得到Nb2CTx Mxene；将所述Nb2CTx Mxene分散于水中，加入氯铂酸和甲酸，经超声分散后在室温下搅拌反应；反应结束后在500～800℃下进行煅烧，得到所述负载型电催化剂。本发明研究通过对Mxene材料进行Pt负载及功能化修饰，成功制备了具有高析臭氧活性的阳极电催化剂，将该催化剂应用于电解臭氧体系，能够高效制备特定浓度的臭氧水，并通过多种表征手段验证了催化剂的优异臭氧生成性能及稳定性，为电解法制备臭氧水提供了可行的技术方案。
Absstract of: WO2025099113A1
The invention relates to an electrolysis system comprising an electrolyzer (1) that has an inlet (2) through which a liquid can be introduced and an outlet (3) through which the liquid or gas can be discharged. The outlet (3) is connected, via an outlet line (4), to a gas-liquid separator (5) in which the gas exiting the electrolyzer (1) is separated from the exiting liquid. The inlet (2) can be connected to a pressure tank (10) in which liquid is kept available under a flushing pressure.
Absstract of: WO2026070655A1
The present invention addresses the problem of providing a membrane catalyst layer structure for water electrolysis, the membrane catalyst layer structure being capable of maintaining good electrolysis performance over a long period of time by improving adhesion between a cathode catalyst layer and a diaphragm that includes a polymer electrolyte membrane. In order to solve the problem, the present invention provides a membrane catalyst layer structure for water electrolysis, the membrane catalyst layer structure comprising at least: a diaphragm that includes a polymer electrolyte; and an anode catalyst layer and a cathode catalyst layer which are disposed so as to face each other with the diaphragm being interposed therebetween. The anode catalyst layer contains elemental iridium, the cathode catalyst layer contains elemental platinum, the cathode catalyst layer additionally contains carbon black and a polymer electrolyte, the ratio (I/C) of the mass (I) of the polymer electrolyte to the mass (C) of the carbon black in the cathode catalyst layer is not less than 0.40 but less than 1.00, and the carbon black contained in the cathode catalyst layer has a volatile content of less than 1.4 mass%.
Absstract of: US20260193796A1
A method for producing an oxygen evolution reaction (OER) catalyst comprising contacting at least two transition metal salt catalysts and an optional dopant with a substrate at room temperature for a time period of from about 15 minutes to about 24 hours. A method for producing a self-supported catalyst for water electrolysis, comprising dissolving an amount of sodium hydroxide (NaOH), an amount of ammonium persulfate ((NH4)2S2O8), and an amount of ammonium molybdate ((NH4)6Mo7O24) in a solvent at room temperature to form a solution; immersing a substrate into the solution for a time period sufficient to grow the self-supported catalyst thereon; and removing the substrate from the solution after the time period, wherein the substrate comprises the self-supported catalyst.
Absstract of: US20260196526A1
A solid electrochemical device comprising a solid electrolyte having a first main surface and a second main surface that is a surface opposite to the first main surface; a first electrode having a third main surface and a fourth main surface that is a surface opposite to the third main surface, the first electrode being provided such that the third main surface faces the first main surface; a first current collector having a fifth main surface and a sixth main surface that is a surface opposite to the fifth main surface, the first current collector being provided such that the fifth main surface faces the fourth main surface; and a first interconnector having a seventh main surface, the first interconnector being provided such that the seventh main surface faces the sixth main surface. The seventh main surface of the first interconnector is a flat surface.
Absstract of: US20260192284A1
0000 The present invention relates to ammonia decomposition catalyst and a method for producing same and, more specifically, to an ammonia decomposition catalyst containing alumina (Al<2>O<3>), cerium (Ce), lanthanum (La), ruthenium (Ru), and potassium (K), and a method for producing the ammonia decomposition catalyst.
Absstract of: US20260196544A1
The present disclosure relates to the technical field of water electrolysis, in particular to a low-hydrogen-permeability proton exchange membrane as well as a preparation method and use thereof. The proton exchange membrane comprises a Pt-based additive layer and a substrate membrane, wherein the Pt-based additive layer consists of a Pt-based additive and a fluorinated proton exchange resin and comprises an array layer and a flat layer, with the thickness ratio and active components ratios of the array layer to the flat layer ranging from 1:(0.5-30) to 1:(1-50), and the array layer is composed of an orderly arranged arrays and an array layer resin wrapping the arrays. The low-hydrogen-permeability proton exchange membrane provided by the present disclosure has the Pt-based additive layer composed of the array layer and the flat layer.
Absstract of: US20260195828A1
The invention relates to a system configured to distribute hydrogen in a hydrogen infrastructure system. A system controller is configured for receiving data from a part infrastructure members and based on the received data, the system controller is able to control storage of produced hydrogen in a stationary hydrogen storage or mobile hydrogen storage, categorize the stored hydrogen, allow a plurality of industrial consumers to request a quantity of hydrogen, matching a request from a particular industrial consumer with said produced hydrogen, and if a match can be established facilitate delivery of said requested quantity of hydrogen to the particular industrial costumer.
Absstract of: US20260193554A1
0000 Device/process for capturing/converting CO<2>, comprising/using a unit (2) for CO<2 >capture from the feedstock (1) that produces a CO<2>-rich effluent (3), a water electrolysis unit (5) that converts water (4) into oxygen (6) and hydrogen (7), an RWGS reaction unit (8) that treats the CO<2>-rich effluent with the hydrogen and produces an RWGS gas (9) enriched in CO and in water, an FT reaction unit (13) that converts the RWGS gas and produces an FT effluent (14), a first separation unit (15) that treats the FT effluent and produces a hydrocarbon effluent (17) and a gaseous effluent (33), a second separation unit (34) that separates a first gas (33), producing a CO<2>-depleted gas (18), and sends a CO<2>-rich gas (35) to the RWGS unit, a hydrogen reaction unit (20) that treats the hydrocarbon effluent in order to produce hydrocarbon cuts (21).
Absstract of: US20260193788A1
0000 A process is proposed for producing one or more electrolysis products using an electrolysis arrangement, which comprises the withdrawing of anode gas and water from the electrolysis arrangement in a biphasic mixture, the feeding of the biphasic mixture or a portion thereof into a separator arrangement, the treating of separator gas from the separator arrangement in a catalysis arrangement, and the feedback of catalysis gas from the catalysis arrangement into the separator arrangement, wherein the anode gas and the separator gas contain oxygen and a smaller proportion of hydrogen, and wherein the catalysis gas is depleted of hydrogen by the treatment in the catalyst arrangement. The present invention likewise provides a corresponding apparatus.
Absstract of: US20260193787A1
0000 The processes and apparatus described herein are directed to methods of making hydrogen utilizing a renewable energy source and catalysts in a dual chamber apparatus. A reaction carried out in one chamber of the apparatus produces electrons that move through a selectively permeable barrier where they reduce hydrogen ions in a second reaction resulting in hydrogen gas (H<2>).
Absstract of: US20260193799A1
0000 A cell frame adapted for use in a pressurized 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 neighboring 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.
Absstract of: US20260193081A1
A processes (1) for conversion of energy in the form of process heat (7) and hydrogen (3) is disclosed. Aluminum (10) is reacted with water (6) at elevated temperature in an aluminum reaction chamber (9) in an aluminum oxidation step (11) and thus oxidized to form aluminum oxide (12). This liberates process heat (7) and hydrogen (3). The hydrogen (3) liberated in the reaction of aluminum (12) and water (6) is at least partially supplied to a hydrogen reaction chamber (5). The hydrogen (3) reacts with oxygen (4) to form water (6) in a water production step (2). The water (6) previously produced from the hydrogen (3) is supplied to the aluminum reaction chamber (11) for oxidation of the aluminum (12).
Absstract of: AU2026204756A1
Vehicle charging system comprising a gas turbine engine (10) mechanically coupled to an electric generator (11) to produce electrical energy; the electrical energy is split into a first electrical energy (12) and a second electrical energy (14) by a power splitter (11); the first electrical energy (12) is used for charging electric vehicles and the second electrical energy 5 (14) is used for charging hydrogen vehicles for example through an electrolyzer (30). MAIN FIGURE Fig. 1 MAIN FIGURE un u n Fig. 1 un u n
Absstract of: US20260193080A1
0000 The invention relates to the field of hydrogenpro-duction from the catalytic cracking of ammonia. The invention comprises a primary cracking pathway comprising one or more catalyst containing reaction tubes disposed within a fired ammonia cracking reactor; and a parallel cracking pathway comprising one or more secondary ammonia cracking reactors arranged sequentially and in fluid connection with one another. The invention may be used to produce hydrogen from ammonia.
Absstract of: AU2024385805A1
A Green HYDROGEN production apparatus is provided having a modular reactor vessel. The reaction is managed to safely drive the reaction to completion to maximize HYDROGEN production. A HYDROGEN outlet provides for the collection of the generated HYDROGEN from the reactor vessel (e.g. 1)
Absstract of: WO2026144520A1
The present application relates to the technical field of separators, and provides a composite separator, a preparation method therefor, and a use thereof. The composite separator comprises a porous layer. The porous layer comprises an organic polymer resin, inorganic particles, and polymer fibers, the polymer fibers being polymer fibers modified with hydrophilic groups. In the present application, by adding polymer fibers into the porous layer, mechanical support is provided to the porous layer, such that the separator is resistant to bending, thereby improving the mechanical strength of the separator. In addition, hydrogen bond interactions are formed between the hydrophilic groups modified on the polymer fibers and the inorganic particles. Considering also the strong interactions between the polymer fibers and the organic polymer resin, this arrangement helps to fix the inorganic particles within the organic polymer resin, thereby effectively reducing detachment of inorganic particles from the porous layer. As a result, the separator has good air tightness, which helps to maintain the stability and safety of the separator.
Nº publicación: AU2024414363A1 09/07/2026
Applicant:
ENERCAT
LYNAS RARE EARTHS LTD
ENERCAT
LYNAS RARE EARTHS LIMITED
Absstract of: AU2024414363A1
The invention relates to a catalyst for the decomposition of ammonia into hydrogen and nitrogen, wherein the catalyst comprises at least ruthenium, mesoporous cerium oxide and at least one oxide selected from among cobalt, nickel and iron oxides, preferably nickel oxide, and to a method for producing hydrogen from ammonia comprising the following steps in this order: activating at least one catalyst according to the invention at a temperature ranging from 300°C to 600°C under a stream of a reducing gas; bringing the activated catalyst into contact with a gas to be treated comprising ammonia at a temperature ranging from 200°C to 800°C, and at a pressure ranging from atmospheric pressure to 100 bar.
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