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1009
results.
Updated on
25/10/2026 [07:03:00]
Results 475 to 500 of 1009
Absstract of: CN122769025A
0001 本发明提供一种构建二维MOF/MOF异质结材料的方法，所述方法采用pH值调控的静电组装法制备超薄二维MOF/MOF异质结材料，所述复合材料由层状的纳米片复合而成。所述方法简单易操作，成本经济，环境友好，具有较强的可控性和良好的重复性。同时，所述超薄二维MOF/MOF异质结材料有效缓解单个MOF纳米片易重新团聚的问题，具有更高的比表面积和更多的活性位点，且异质结构促进了光生载流子的分离转移，显著提升了光催化产氢性能。所述光催化材料符合可持续发展需求，具有良好的应用前景。
Absstract of: CN122773384A
本发明涉及一种适用于超低载量铱基催化层的复合扩散层，包括纳米多孔金属界面层和阳极多孔传输层；纳米多孔金属界面层为孔隙和韧带呈纳米级双连续结构的金属薄膜；阳极多孔传输层具有微米级孔径；铱基催化层的面载量为≤0.2 mg cm‑2。本发明通过系统研究常规载量和超低载量下影响铱基催化剂催化效果的差异因素和关键瓶颈，探索不同路径下功能界面层在调控超低铱载量关键瓶颈方面的作用，成功通过创新的界面结构设计实现了超低载量铱基催化层达到甚至超越常规载量和高载量体系的性能，为质子交换膜水电解的降本增效开辟了新路径。
Absstract of: CN122773399A
0001 一种Bi<2>MoO<6>/CdS复合光电催化剂的制备方法和应用，将五水硝酸铋和钼酸铵分别溶于乙二醇和去离子水中混合均匀后置于水热反应后将所得样品干燥得到钼酸铋粉体；将醋酸镉、硫代乙酰胺溶于去离子水中，然后再向混合溶液中加入PVP分散剂搅拌得到溶液A；取钼酸铋粉体加入到溶液A中，水热反应后将所得样品干燥得到Bi<2>MoO<6>/CdS复合光电催化剂。本发明通过两步水热法合成Bi<2>MoO<6>/CdS复合光电催化剂，并可通过调节前驱体比例、反应温度与时间等，获得物相纯正、结构稳定的Bi<2>MoO<6>基体，所制备的产品能形成清晰的异质结形貌，可灵活调控材料形貌与组分分布；本发明制备的Bi<2>MoO<6>/CdS复合材料可显著提升光吸收能力、载流子分离效率与表面催化活性，在碱性电解液中表现出优异的光电催化析氧性能。
Absstract of: KR20260138165A
본 발명의 일 실시형태에 따르면, 아릴렌 기반 모노머와 서로 다른 두 개의 카보닐 모노머 간의 프리델-크래프트 중합 반응(Friedel-Crafts polymerization)에 의해 제조된 공중합체를 포함하며, 상기 서로 다른 두 개의 카보닐 모노머는 각각 피페리디늄(piperidinium)과 플루오로 작용기(-CF3)를 갖는 것을 특징으로 하는 이온 전도도와 알칼리 내구성이 우수한 음이온 교환막을 제공한다.
Absstract of: CN122773403A
本发明涉及一种利用冶金废水在制氢过程中同时制备自适应析氢催化剂及冶金废水处理方法，属于催化剂制备与冶金废水回收技术领域，本发明包括以下步骤：将生长在碳布CC上的VO2进行氮化处理后制备得到的VN纳米片，然后将VN纳米片在含金属离子的碱性冶金废水中以以≥（‑50）mA/cm2的电流密度或者≥475 mV的过电位进行电解，同时收获氢气和MOyHz/VNOx催化剂，其中MOyHz为金属氢氧化物，解决长期运行下催化剂的活性降低，稳定性下降，难以自身主动优化的问题。
Absstract of: CN122769034A
本发明公开了一种通过激光制备金属单原子负载光催化剂的方法，涉及催化剂制备技术领域。所述方法包括以下步骤：将载体分散于甲醇中，得到载体悬浮液；将所述载体悬浮液和金属前驱体溶液混合，得到混合悬浮液；将所述混合悬浮液置于‑20℃~‑80℃低温环境中在脉冲激光下进行辐照反应，得到所述金属单原子负载光催化剂。本发明通过液相脉冲激光辐照直接构建金属单原子负载光催化剂。在本发明的方法中，通过调控脉冲激光参数、反应环境温度（即液相温度），可以精确调节金属原子的分散状态、配位环境及缺陷位点，有效避免金属原子的团聚，从而实现金属原子在载体上的孤立活性位点上的均匀锚定。
Absstract of: WO2025204074A1
Provided are an electrolysis module cooling method and an electrolysis system capable of reducing an atmospheric temperature inside a container. Provided is a cooling method for an electrolysis module (200) comprising: at least one electrolysis cartridge (220) that includes an electrolysis cell and generates hydrogen by electrolyzing water vapor generated from water supply; and a pressure vessel (210) that accommodates the electrolysis cartridge (220). In the method for cooling the electrolysis module (200), the air is subjected to heat exchange with water supply in order to heat the water supply, and the heat-exchanged air is supplied to the pressure vessel (210) to cool the inside of the pressure vessel (210).
Absstract of: US20260275550A1
Provided are a porous catalytic membrane, a membrane electrode assembly and a water electrolysis device. The porous catalytic membrane includes a porous polymer membrane formed by interweaving randomly arranged nanofibers and a catalyst coated on a surface of the nanofibers. The porous polymer membrane has a self-supporting structure and a large specific surface area, providing a large number of loading sites for the catalyst. The catalyst can be directly anchored onto the nanofibers of the porous polymer membrane through a physical or chemical method to achieve uniform dispersion without the need for coating by ionomers, thereby avoiding high costs and performance degradation caused by the adoption of ionomers. The exposure degree of the catalytic active sites is significantly increased, thereby enhancing utilization efficiency of the catalyst and reducing the amount of noble metal catalysts.
Absstract of: WO2026189969A1
The invention relates to a heat exchanger (100) for heat exchange between several fluids; - the heat exchanger (100) being manufactured by 3D printing; - the heat exchanger (100) comprising several groups of channels (102-120), each channel, through which one of the fluids passes, connecting an inlet for the fluid into the exchanger (100) to an outlet for the fluid out of the exchanger (100); - the groups of channels (102-120) being arranged such that one channel of one group (102-120) through which one fluid passes faces another channel of another group (102-120) through which another fluid passes in order to carry out a heat exchange between the fluids. It also relates to an electrochemical system comprising such a heat exchanger.
Absstract of: US20260274673A1
A carbon material containing a fired product of a mixture containing a first compound and a second compound, in which the first compound is a phthalocyanine compound having bromine as a substituent, and the second compound is a compound containing at least one metal element selected from the group consisting of Fe, Co, Ni, Cu, Al, and Zn.
Absstract of: US20260275552A1
An overall system that includes, as sub-systems, a DRI system, an electrolysis system, a hydrogen store and a supply device. The DRI system and the electrolysis system are connected to an electricity-supply network for receiving electricity. The DRI system, the electrolysis system and the hydrogen store are interconnected for transferring hydrogen, and the DRI system and the supply device are interconnected for supplying the DRI system with natural gas and/or ammonia. A controller calculates operating modes (B1, B4, B6, B7) for the sub-systems for a forecast horizon (PH) and determines final states (Z1′, Z4′, Z6′, Z7′) that can be expected for the sub-systems on the basis of the current states (Z1, Z4, Z6, Z7) and the operating modes (B1, B4, B6, B7). The controller varies the final states (Z1′, Z4′, Z6′, Z7′) that can be expected so as to minimize a cost function (K).
Absstract of: WO2025059026A1
Provided herein are systems and methods for utilizing aqua-ammonia as an energy or hydrogen storage and transport medium. A method for delivering power, the method comprises converting enriched ammonia to electrical power and heat; and using the heat to remove water from aqua-ammonia, thereby producing the enriched ammonia.
Absstract of: US20260275545A1
An electrode catalyst layer 2 includes catalyst particles 12, an ionomer 13, and ionomer-adsorptive carbon fibers 14α. The ionomer-adsorptive carbon fibers 14α may have an adsorption amount of the ionomer of 10 mg or more per 1 g of the ionomer-adsorptive carbon fibers, may have a diameter in a range of 50 nm or more and 1 μm or less, and may be vapor-grown carbon fibers (VGCF) subjected to hydrophilic treatment.
Absstract of: US20260275543A1
A porous transport layer for an electrolyser or for a fuel cell, comprising —a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, —a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface has a material ratio of less than 5% of material at a height of 5 μm, and more than 70% of material at a depth of −5 μm, the first equivalent diameter is smaller than the second equivalent diameter.
Absstract of: US20260274657A1
Provided is a method for producing a highly active oxygen carrier at low cost, and a method for producing hydrogen and an apparatus for producing hydrogen using the highly active oxygen carrier.
Absstract of: US20260279846A1
A porous transport layer for an electrolyser or for a fuel cell, comprising a first nonwoven layer of metal fibers provided for contacting a proton exchange membrane, wherein the first nonwoven layer of metal fibers comprises metal fibers of a first equivalent diameter, wherein the first nonwoven layer of metal fibers has a first surface roughness and a first porosity, a second nonwoven layer of metal fibers, wherein the second nonwoven layer of metal fibers comprises metal fibers of a second equivalent diameter, wherein the second nonwoven layer of metal fibers has a second surface roughness and a second porosity, wherein the first surface roughness is below 10 μm, the first equivalent diameter is smaller than the second equivalent diameter, the first surface roughness is smaller than the second surface roughness for at least 20%, e.g., in a range of 20% to 120%.
Absstract of: US20260279865A1
A membrane electrode assembly with an anode, a cathode and a hydrocarbon membrane lying between the anode and the cathode. The membrane electrode assembly further includes a protective layer, which is arranged between the anode and the hydrocarbon membrane and/or between the cathode and the hydrocarbon membrane, wherein the protective layer includes at least one ceramic material and one fluorine-containing ionomer, wherein the ceramic material is dispersed in the fluorine-containing ionomer.
Absstract of: AU2025400693A1
Disclosed herein is an aluminum recycling method for metallic aluminum energy storage and hydrogen production, comprising: electrolyzing aluminum oxide to obtain molten metallic aluminum; processing the molten metallic aluminum to obtain an aluminum-based hydrogen production material; under the action of a catalyst, chemically reacting the aluminum-based hydrogen production material with water to obtain hydrogen gas and an aluminum oxide hydrate slurry; subjecting the aluminum oxide hydrate slurry to solid-liquid separation to obtain an aluminum oxide hydrate and an aqueous solution containing the catalyst; calcining the aluminum oxide hydrate to obtain aluminum oxide; and recycling the aluminum oxide to the step of electrolyzing the aluminum oxide, and recycling the aqueous solution containing the catalyst to the step of chemically reacting the aluminum-based hydrogen production material with water, thereby forming a closed-loop cycle.
Absstract of: US20260275433A1
Method to produce hot metal in a blast furnace including at least two levels of gas injection wherein the blast furnace top gas is recovered and subjected to an oxidation step using water-gas shift reaction to transform at least a part of the carbon monoxide from the recovered blast furnace top gas into carbon dioxide and hydrogen, the carbon dioxide is then separated to obtain a CO2-rich stream and a H2-rich stream, at least a part of it being injected into the blast furnace at the second level of gas injection.
Absstract of: US20260275546A1
A method for producing hydrogen comprises providing water and a gaseous substance, the gaseous substance comprising hydrogen atoms and carbon atoms, producing a mixture comprising the water and bubbles comprising the gaseous substance, decreasing a diameter of the bubbles comprising the gaseous substance, and producing gaseous hydrogen by decomposing the gaseous substance in the bubbles having the decreased diameter. An apparatus is configured for producing hydrogen gas.
Absstract of: US20260275553A1
Systems, devices, and methods for electrolysis at very large scale (e.g., exceeding 100 megawatts (MW), and at gigawatt (GW) scale having a solid oxide electolyzer cell (SOEC) system including one or more SOEC columns, and one or more heat exchangers, each of the heat exchangers configured to receive input stream that is used to heat respective SOEC columns, wherein each of the heat exchangers is located along respective SOEC columns such that the input steam exiting the heat exchanger is directed towards adjacent SOEC columns.
Absstract of: US20260274662A1
The present disclosure relates to a natural gas reforming system capable of reducing, by using a co-electrolysis device, the emission amount of carbon dioxide produced by reforming natural gas, of supplying heat to a reformer through syngas produced by the co-electrolysis, and of producing additional hydrogen, and a process thereof.
Absstract of: AU2025240709A1
The invention relates to a method for producing a synthetic fuel (F), comprising the steps (S1): carrying out a first reaction process, wherein the first reaction process creates a gas mixture of synthesis gas (SG) and carbon dioxide (CO2) with the addition of biomass (BM), oxygen (O2), wherein the synthesis gas (SG) contains carbon monoxide (CO) and hydrogen (H2); (S2): separating carbon dioxide (CO2) from the gas mixture and supplying hydrogen (H2) to separated carbon dioxide (CO2) for a second reaction process; (S3): carrying out a second reaction process, wherein in the second reaction process methanation is carried out using the reactants carbon dioxide (CO2) and hydrogen (H2), wherein methane (CH4) and water (H2O) are produced as an intermediate product; (S4): feeding back methane (CH4) and water (H2O) obtained from the second reaction process into the first reaction process, wherein a gas mixture containing synthesis gas (SG) is produced; and (S5): discharging synthesis gas (SG) and converting synthesis gas into a synthetic fuel (F). The invention further relates to a system (1) for producing a synthetic fuel (F), which is designed in particular to carry out the method.
Absstract of: AU2025241436A1
The invention relates to a method and a device for synthesizing ammonia (8), wherein a gas mixture (make-up gas) (1), which comprises hydrogen and nitrogen and is supplied with a temporally fluctuating flow rate, is provided after being compressed in a first compressor (make-up gas compressor) (V1) in order to form an ammonia synthesis gas (3) that is compressed with the aid of a second compressor (recycle compressor) (V2) and is then reacted in an ammonia reactor (R) in order to form an ammonia-containing synthesis product (5), from which a recycled gas (2) comprising hydrogen and nitrogen is separated in order to be recirculated in order to form the ammonia synthesis gas (3). The flow rate of the recycled gas (2) is controlled via the recycle compressor (V2), which is integrated into a control circuit as an actuator and the conveying capacity of which can be set independently of the conveying capacity of the make-up gas compressor (V1). The invention is characterized in that the control circuit is designed with a higher-level control system which outputs a control signal that is based on the load of the ammonia reactor in order to change the conveying capacity of the recycle compressor (V2), said control signal being corrected by a PID control circuit in such a way that the pressure in the ammonia reactor (R) is always within a specified value range.
Nº publicación: US20260275555A1 17/09/2026
Applicant:
EVE HYDROGEN ENERGY CO LTD [CN]
EVE HYDROGEN ENERGY CO., LTD.
Absstract of: US20260275555A1
The present disclosure discloses a hydrogen generator. The hydrogen generator includes a housing, and an electrolyzer, an electrolyte tank, a gas-liquid separator, and a purification apparatus mounted in the housing. A diaphragm of the electrolyzer is an anion-exchange membrane. The electrolyzer is in communication with the electrolyte tank through a pipeline. The gas-liquid separator is provided with a first gas inlet and a third gas outlet. The first gas inlet is in communication with a first gas outlet of the electrolyzer through a pipeline. The purification apparatus is provided with a second gas inlet. The third gas outlet is in communication with the second gas inlet through a pipeline.
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