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Última actualización
18/10/2026 [06:58:00]
Resultados 775 a 800 de 976
Resumen de: CN122646923A
本发明属于电催化材料技术领域，公开了一种铱钌双金属氧化物的梯度络合‑等离子体辅助制备方法及应用。该方法采用分步超声辅助双络合剂梯度络合，实现Ir和Ru离子的分子级预混合；通过反向滴加与pH阶梯沉淀，精确控制两种离子的成核与生长速率；并首次引入低温等离子体处理沉淀悬浮液，改善颗粒分散性并预置氧空位；结合冷冻干燥与两段式煅烧，获得高比表面积、原子级均匀混合的铱钌双金属氧化物。该方法克服了传统共沉淀法中Ir、Ru离子沉淀动力学不匹配、颗粒团聚严重的问题，由本方法制备的铱钌双金属氧化物催化剂在酸性析氧反应中表现出优异的活性，可应用于质子交换膜水电解槽。本发明工艺新颖、重现性好，具有显著的工业应用前景。
Resumen de: CN122648992A
0001 本发明公开了一种富氧空位CoMoO4微米花球电催化剂的制备方法与应用，属于电催化能源材料技术领域。本发明以六水合硝酸钴、二水合钼酸钠为原料，去离子水‑乙二醇为混合溶剂，通过简易水热法制备出二维纳米片自组装的CoMoO4微米花球前驱体，再经惰性氛围低温退火工艺精准构筑丰富氧空位，最终得到富氧空位CoMoO4微米花球电催化剂。本发明制备工艺简单、条件温和、绿色可控、适合规模化生产，所得催化剂具有规整的层级多孔微米花球结构、丰富的氧空位缺陷，比表面积大、活性位点数量多、电荷传输速率快。该催化剂可作为双功能电催化剂，高效应用于碱性体系电解水析氢、析氧及全解水反应，有效降低电解水反应过电位，提升催化效率与循环稳定性，解决了传统CoMoO4催化剂活性低、稳定性差、制备工艺复杂的技术难题，在绿色氢能制备领域具备极高的应用价值与推广前景。
Resumen de: CN122648959A
本发明公开了一种自支撑碱性全解水电极材料的制备方法，属于电解水催化材料技术领域。本发明以高孔隙率泡沫镍为自支撑基底，经表面预处理去除杂质与氧化层后，通过水热法在基底原位生长镍铁二元金属前驱体纳米片阵列，再采用低温磷化改性结合退火晶化工艺，制备得到镍铁磷氧化物复合自支撑全解水电极材料。本发明摒弃传统粘结剂成型工艺，活性组分与基底结合牢固，有效降低电极界面阻抗、丰富催化活性位点；镍铁双金属协同与磷化改性协同优化电极电子结构，使电极兼具优异的析氢、析氧双功能催化性能，在强碱性电解液中耐腐蚀性强、循环稳定性好。本发明制备工艺温和、操作简单、重复性佳、生产成本低，可实现规模化工业化生产，所得电极能够有效降低碱性全解水能耗，适配工业绿氢制备、水电解储能等多种应用场景，具备广阔的市场应用前景。
Resumen de: CN122648976A
0001 本发明公开了一种移动式电解水制氢装置，涉及电解槽构件领域，解决现有的移动式电解水制氢装置电解槽钛毡易积泡堵孔且传统清理方式依赖外接动力增加能耗的问题，包括电解槽、顶盖、电解机构和拨动机构，电解机构包括钛毡层，钛毡层的中部开设有拨动槽，拨动机构包括拨动板，拨动板的两侧均匀设有多组凸起，拨动板上均匀开设有多组通孔，本发明通过电解机构进行电解水制氢，通过拨动机构利用电解槽内气泡上浮和气体输送的动力驱动拨动板沿竖直方向和水平方向进行拨动，通过两侧的凸起对钛毡层的内壁进行搅动，使得钛毡层内壁积累的微气泡和杂质得以脱落，提升电解效率，该装置无需额外增加电力驱动源，方便使用。
Resumen de: NZ804904A
The present invention describes an improved catalytic reactor system with an improved catalyst that transforms CO2 and low carbon H2 into low-carbon syngas with greater than an 80% CO2 conversion efficiency, resulting in the reduction of plant capital and operating costs compared to processes described in the current art. The inside surface of the adiabatic catalytic reactors is lined with an insulating, non-reactive surface which does not react with the syngas and effect catalyst performance. The improved catalyst is robust, has a high CO2 conversion efficiency, and exhibits little or no degradation in performance over long periods of operation. The low-carbon syngas is used to produce low-carbon fuels (e.g., diesel fuel, jet fuel, gasoline, kerosene, others), chemicals, and other products resulting in a significant reduction in greenhouse gas emissions compared to fossil fuel derived products.
Resumen de: WO2011139804A2
Compositions and methods for a hybrid biological and chemical process that captures and converts carbon dioxide and/or other forms of inorganic carbon and/or CI carbon sources including but not limited to carbon monoxide, methane, methanol, formate, or formic acid, and/or mixtures containing CI chemicals including but not limited to various syngas compositions, into organic chemicals including biofuels or other valuable biomass, chemical, industrial, or pharmaceutical products are provided. The present invention, in certain embodiments, fixes inorganic carbon or CI carbon sources into longer carbon chain organic chemicals by utilizing microorganisms capable of performing the oxyhydrogen reaction and the autotrophic fixation of CO2 in one or more steps of the process.
Resumen de: KR20260129441A
본 발명은 용액의 수소 첨가방법 및 이를 이용하여 제조된 미용에센스에 관한 것으로, 더욱 상세하게는 물을 전기분해하여 별도의 수소기체 첨가 없이 수용액에 수소를 용해시키키는 방법을 적용한 용액의 수소 첨가방법 및 이를 이용하여 제조된 미용에센스에 관한 것이다. 이에, 본 발명은 전기분해장치를 설치하는 단계(s100); 전기분해장치를 이용하여 수용액의 물(H₂O)을 분해하여 수소(H₂)와 산소(O₂)를 발생시키는 단계(s200); 수소가 발생하는 전극측에 설치된 트랩모듈이 발생된 수소를 트랩(trap)하는 단계(s300); 수소 기체의 용해효율을 높이기 위해 수소가 발생하는 전극측 수용액을 국부적으로 냉각시키는 단계(400); 수소가 용해된 수용액을 저장하는 단계(s500); 를 포함하는 것을 특징으로 하는 용액의 수소 첨가방법 및 이를 이용하여 제조된 미용에센스를 제공한다.
Resumen de: WO2026174667A1
The present invention belongs to the technical field of photoelectrocatalysis. Specifically disclosed are a composite photoelectrocatalytic material, and a preparation method therefor and a use thereof. According to the present invention, first, a Bi-containing solution is used as an electrolyte for electrodeposition, a V-containing precursor solution is coated, and then annealing treatment is performed to obtain a BiVO4 matrix material; then, the BiVO4 matrix material is used as a working electrode, a Ni-containing solution is used as an electrolyte, and photo-assisted electrodeposition is performed to obtain NiO/BiVO4; and then a solution containing Ni5P4 nanoparticles is coated on the NiO/BiVO4 to obtain the composite photoelectrocatalytic material. The composite photoelectrocatalytic material obtained according to the present invention has a built-in electric field, and has high catalytic activity and excellent catalytic performance; the Ni5P4 greatly improves the yield and selectivity of H2O2; and the preparation method also has the characteristics of simple operation, time saving, and low energy consumption.
Resumen de: US20260250857A1
An electrolysis device for producing hydrogen through electrochemical reaction from an aqueous alkali solution is disclosed. The electrolysis device includes an anodic half cell and a cathodic half cell. The anodic half cell and the cathodic half cell are separated via a membrane and the alkali solution can flow through the cathodic half cell. The anodic half cell includes an anodic electrode and the cathodic half cell includes a cathodic electrode. The anodic electrode, the cathodic electrode and the membrane form a membrane-electrode unit. In normal operation of the electrolysis device, an initial fill quantity of the alkali solution in the cathodic half cell can be changed only by diffusion processes through the membrane-electrode unit and/or through electrochemical reaction of the alkali solution in the membrane-electrode unit.
Resumen de: WO2025040912A1
The disclosure provides a process of preparing an ion-conducting membrane comprising a sulphonated hydrocarbon ionomer having an ion-exchange capacity I2 meq/g, the process comprising the steps of: a) providing a sulphonated hydrocarbon ionomer having an ion- exchange capacity I1 meq/g; b) casting an ion-conducting membrane from a mixture of the sulphonated hydrocarbon ionomer provided in step a) and a solvent; c) applying a treatment to the ion-conducting membrane prepared in step b) which reduces the ion-exchange capacity from I1 meq/g to an ion-exchange capacity I2 meq/g, wherein I2 is less than I1.
Resumen de: US20260250858A1
0000 Provided is a method for producing an ion-exchange membrane with a catalyst layer, the method including: a step A of disposing, on at least one surface of an ion-exchange membrane, a catalyst dispersion layer obtained by forming a catalyst dispersion containing a catalyst and an ionomer resin into a predetermined shape, the catalyst dispersion having a viscosity of 1 Pa·s to 500 Pa·s at 25° C., to obtain a laminate having the ion-exchange membrane and the catalyst dispersion layer having a polygonal shape; and a step B of pressing the laminate heated to a temperature of 100° C. to 200° C.
Resumen de: US20260250859A1
0000 An electrolysis system includes a plurality of electrolysis devices connected to a power supply line, the electrolysis devices having an electrical energy supply unit and an electrolysis module coupled to the power supply unit. The energy supply units of the electrolysis devices include a transformer and a rectifier unit. The transformer has a primary winding and a secondary winding connected to an AC voltage side of the rectifier unit. The primary winding of the transformer of at least a first of the electrolysis devices is configured to be adjustable in stages, and the rectifier unit of that electrolysis device is configured to be operated in an uncontrolled manner. The rectifier unit of the energy supply unit of at least a second of the electrolysis devices is configured to be operated in a controlled manner depending on the electrical energy that can be provided by the energy source.
Resumen de: US20260254396A1
0000 An energy supply system is specified for coupling to a wind power station that is used in island mode and that operates an electrolysis facility for the production of green hydrogen with wind energy. The novel energy supply system has a solar energy source, with a photovoltaic module and/or a solar thermal collector, which is configured to supply the electrolysis facility, in particular a containment and water-carrying lines of electrolysis units of the electrolysis facility, with thermal energy in the event of the absence of wind energy. There is also described a corresponding method for coupling solar energy to a wind power station that is operated in island mode.
Resumen de: US20260250851A1
The present invention relates to a catalysis promoter dissolved in an electrolyte of a water electrolysis device using an alkaline electrolyte and promoting the catalytic activity of an oxygen evolution electrode.
Resumen de: US20260249278A1
0000 The present disclosure discloses a noble metal oxide cluster catalyst anchored on cobalt-based nanosheets and a preparation method thereof. The preparation method includes mixing a cobalt acetate solution, a metal salt solution, ammonium metavanadate, and acetylene black uniformly, stirring at a temperature in a range of 50 °C to 100 °C, and filtering to collect a sample; and subjecting the sample to vacuum drying, pyrolyzing the sample under air atmosphere, to obtain the noble metal oxide cluster catalyst anchored on cobalt-based nanosheets.
Resumen de: US20260250856A1
The present disclosure relates to an electrode for use as an anode or cathode for electrolysis of a liquid flowing along a flow direction. An electrolysis arrangement includes at least one such electrode and a method for performing electrolysis using the electrolysis arrangement. The electrolysis arrangement includes a cylindrical housing and a plurality of elongated electrodes each extending along a longitudinal direction parallel to the central axis. The plurality of electrodes is arranged in a concentric pattern around the central axis inside the cylindrical housing. The electrolysis arrangement also includes fluid actuating means for causing a rotational flow of a fluid around said central axis inside said inner volume of said cylindrical housing.
Resumen de: US20260250131A1
0000 Page 12 A method for producing a compound comprising at least one of hydrogen or oxygen comprises providing water and a first substance, producing a mixture comprising the water and bubbles comprising the first substance, decreasing a diameter of bubbles comprising the first substance, decomposing a part of the water, and composing a compound at least from the decomposed water and the first substance, and the compound comprising at least one of hydrogen or oxygen. An apparatus is configured for producing a compound comprising at least one of hydrogen or oxygen.
Resumen de: US20260250866A1
0000 Process of manufacturing an electrocatalyst for alkaline water electrolysis including: (i) producing an aqueous electrolyte including suspended graphene and graphite nanoplatelet structures having thickness of <100 nm in an electrochemical cell including a negative graphitic electrode, a positive graphitic electrode, an aqueous electrolyte including ions in a solvent, the ions including cations, including sulphate ions, and anions, wherein current passes through the cell to obtain exfoliated graphene and graphite nanoplatelet structures in the aqueous electrolyte in an amount of more than 5 g/l. (ii) Composing an electroplating bath including the suspended graphene and graphite nanoplatelet structures in an amount of more than 2 g/l, the electroplating bath including an aqueous solution of nickel sulphate and the aqueous electrolyte of step (i). (iii) Electrodepositing from the electroplating bath a combined layer of Ni or Ni-alloy and graphene and graphite particles on a carrier to form electrocatalyst.
Resumen de: US20260250871A1
0000 An electro-energy or electro-synthetic cell, including a cathode, an anode and an electrode separator positioned between the cathode and the anode. A liquid electrolyte inlet supplies a liquid electrolyte to the cell, and a liquid electrolyte outlet removes the liquid electrolyte from the cell. The liquid electrolyte outlet includes an overflow weir over or through which excess liquid electrolyte flows out of the cell. In another form, one or more drippers are included as part of the liquid electrolyte inlet and/or the liquid electrolyte outlet and drip chambers are positioned below the drippers. In another form, one or more porous capillary structures are located in liquid pathways in the cell, for example in a liquid pathway provided by an overflow weir or adjacent a dripper. In another form, one or more restrictors are utilised that create a pressure drop in the liquid electrolyte passing through the restrictor.
Resumen de: US20260249262A1
0000 An ammonia decomposition reactor having a function of preheating ammonia gas, including a heat exchanger body and a reactor body enveloped externally by the heat exchanger body. A heat-exchange tube on the heat exchanger body is provided in a heat-exchange shell, one end is in communication with an ammonia gas heat-exchange inlet, and the other end is in communication with an ammonia gas heat-exchange outlet. A heat medium inlet and A heat medium outlet are individually connected to the heat-exchange shell. A catalyst tube is provided in a reaction shell. An ammonia gas heat-exchange outlet on the heat exchanger body is in communicated with an ammonia gas inlet on the reactor body, an ammonia gas inlet is communicated with an ammonia-gas-decomposition-gas outlet by a catalyst tube, and the ammonia-gas-decomposition-gas outlet is communicated with a heat medium inlet on the heat exchanger body.
Resumen de: TW202543915A
To provide a reactor capable of suppressing damage to a housing caused by heat. A reactor 10 comprises: a housing 1 including an introduction port 2 for introducing ammonia and a combustible gas, and an outlet 3 for causing the generated gas to flow out; a first catalyst part 13 disposed inside the housing 1 and including a first catalyst for generating heat by burning the combustible gas introduced from the introduction port 2; and a second catalyst part 21 disposed between the first catalyst part 13 and the outlet 3, including a second catalyst heated by heat generated in the first catalyst part 13, and generating hydrogen from ammonia.
Resumen de: AU2025234540A1
A method for control of the individual catholyte and anolyte flows through a multitude of electrolyser stacks is provided wherein: a. each electrolyser stack (2) is adapted to perform electrolysis of water, and b. all electrolyser stacks (2) are served with an electric current and that, c. all electrolyser stacks (2) are served with anolyte flow (26), and d. all electrolyser stacks (2) are served with catholyte flow (27). It is preferred that e. differential pressure signals (28.1) at each electrolyser stack (2) is provided and, f. that catholyte control signals (43) and anolyte control signals (42) to each of a catholyte stack inflow valve actuator (44) and an anolyte stack inflow valve actuator (45) are provided for the regulation of each of an anolyte stack inflow valve (56) and a catholyte stack inflow valve (57). An electrolyser system is also provided.
Resumen de: DE102025107067A1
Die Erfindung betrifft ein Verfahren zur Aufbereitung von Rohwasser (1) für die Nutzung als Edukt-Wasser in einem Elektrolyseprozess, bei dem salzbeladenes Rohwasser (1) bereitgestellt und eine thermische Entsalzung des Rohwassers (1) durchgeführt wird, wobei Wärme (QIN) dem Rohwasser (1) zugeführt und dieses verdampft wird, wobei salzfreies Wasser (H2O) abgezogen wird, das als Edukt-Wasser (9) bereitgestellt und einem Elektrolyseprozess zugeführt wird, bei dem Wasserstoff (H2) als Produktgas erzeugt wird, wobei der erzeugte Wasserstoff (H2) verladen wird, indem der Wasserstoff (H2) einem exothermen Verladeprozess unterzogen wird, aus dem Wärme (QOUT) freigesetzt wird, wobei freigesetzte Wärme (QOUT) übertragen und als Heizwärme (QIN) dem Rohwasser (1) zugeführt und zur Verdampfung genutzt wird.Die Erfindung betrifft weiterhin ein Wasseraufbereitungssystem (11) zur Durchführung des Verfahrens.
Resumen de: US20260250854A1
0000 A hydrogen production system of the present disclosure includes an electrolytic device, a plurality of electrical power conversion devices that convert three-phase AC power to DC power and supply the DC power to the electrolytic device, and a control device that controls the electrical power conversion devices. The electrolytic device is connected with the plurality of electrical power conversion devices connected in parallel with each other. The control device is configured to correct, when electrical power supply from some of the plurality of electrical power conversion devices to the electrolytic device is stopped, at least one of voltage and current of the electrical power conversion device that is continuing electrical power supply to the electrolytic device so that a later hydrogen production amount of the electrolytic device approaches a predetermined target amount.
Nº publicación: US20260250853A1 27/08/2026
Solicitante:
DENSO CORP [JP]
DENSO CORPORATION
Resumen de: US20260250853A1
0000 A hydrogen production system of the present disclosure includes a plurality of electrolyzers which produce hydrogen by electrolyzing a raw material, a plurality of power converters which convert three-phase AC power into DC power and supply the DC power to the plurality of electrolyzers, and a control device which controls the plurality of power converters. Each electrolyzer is connected to a different one of the power converters. The control device is configured to individually control a current or a voltage supplied from the plurality of power converters to each electrolyzer by individually controlling the plurality of power converters, and to control the current or the voltage supplied from the power converter to a measured electrolyzer based on a detection value detected by at least one detection unit of an inlet gas state detection unit, an outlet gas state detection unit, and a power supply physical quantity detection unit.
BOPI
Sede Electrónica
