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1045
resultados
Última actualización
22/03/2026 [07:01:00]
Resultados 750 a 775 de 1045
Resumen de: CN121428593A
本发明公开一种葫芦脲6衍生的S掺杂Ru2P/Ru双功能电催化剂及其制备方法和应用。属于HER催化剂技术领域。葫芦脲6衍生的S掺杂Ru2P/Ru双功能电催化剂，是以葫芦脲6作为载体，通过引入RuCl3，4,4’‑磺基二苯酚和六氯环三磷腈作为构筑单元，原位在葫芦脲6表面生长聚(环三磷腈‑co‑4,4’‑磺酰二酚)聚合物涂层，经热解后得到的双功能电催化剂Ru2P/Ru‑S‑CBC。本发明制备的电催化剂在碱性电解质中表现出优异的电催化HER和肼氧化活性，为HzOR反应代替析氧反应提供了前提，同时也实现了低能耗，高稳定的电化学制氢。
Resumen de: CN121428606A
一种电解制氢压力平衡控制装置、使用方法及电解制氢系统，属于电解制氢领域。电解制氢压力平衡控制装置包括舱体和柔性内管。舱体具有内部空间，在舱体上设有至少一个与内部空间连通的舱体管口，舱体管口可供第一气体进出内部空间；柔性内管设置于舱体内，其两端分别设有可供第二气体由舱体外部流入和流出柔性内管的内管入口和内管出口，柔性内管至少部分区段为由柔性材料制成的柔性可变体积段，该柔性可变体积段的内流道的最小横截面处的截面积不大于内管入口或内管出口中的内流道截面积较小者的1％；第一气体和第二气体的气压不同时，能够使柔性可变体积段发生形变，通过体积变化使柔性内管和舱体内的气体趋于平衡。
Resumen de: US20260002270A1
An enclosure adapted for a hydrogen and oxygen generating apparatus arranged in a movable has an interior and an interior surface and an exterior surface whereby the hydrogen and oxygen generating apparatus comprises at least one electrolyser stack adapted for electrolysing water to hydrogen product gas and oxygen product gas and accompanying gas and electrolyte handling equipment. The exterior surface of the enclosure comprises at least a heat insulating, flexible polymer cover element which is attached to a metal frame.
Resumen de: CN121127989A
The purpose of the present invention is to provide: Provided are: an electrolyte membrane for a solid polymer fuel cell, which has excellent proton conductivity; a membrane-electrode assembly comprising the electrolyte membrane for a solid polymer fuel cell; a solid polymer fuel cell comprising the membrane-electrode assembly; and an electrolyte membrane for a solid polymer fuel cell. Various methods for producing a membrane electrode assembly and a solid polymer fuel cell; and an electrolyte membrane for solid polymer water electrolysis. This electrolyte membrane for a solid polymer fuel cell contains a woody or herbaceous microfibrous cellulose, the average fiber width of the woody or herbaceous microfibrous cellulose being 50 nm or less, and the microfibrous cellulose having a phosphorus oxyacid group.
Resumen de: MA66611A1
An innovative method for producing green hydrogen from seawater combines electromagnetic field-assisted electrolysis with renewable energy. This efficient approach reduces reliance on fossil fuels while improving the kinetics of chemical reactions through the use of a specific electromagnetic field. The saline residue is desalinated to produce fresh water, while the purified hydrogen is stored as a clean energy source, offering significant benefits for industry, transportation, and the environment.
Resumen de: CN121428582A
The invention discloses a salt-resistant in-situ electrolysis hydrogen production device and application thereof. The hydrogen production device comprises a power supply module and a hydrogen production module, the hydrogen production module comprises a shell, and an upper sealing gasket, a hydrophobic breathable membrane, a cathode plate, a PEM membrane electrode, an anode plate and a lower sealing gasket which are sequentially arranged from top to bottom in the shell; the shell is divided into an upper shell body and a lower shell body, openings are formed in the center of the top of the upper shell body and the center of the bottom of the lower shell body, and the upper shell body and the lower shell body are pressed through a fastener, so that a laminated sealing structure is formed in the shell. The anode and the cathode of the power supply module are respectively connected with the anode plate and the cathode plate. By arranging the hydrophobic breathable membrane, water vapor is allowed to diffuse to the PEM membrane electrode while a salt-containing aqueous solution is prevented from being migrated to a cathode region, normal and continuous water electrolysis reaction can be ensured, continuous hydrogen supply can be realized by driving with ultralow voltage, and the electrochemical performance is improved. And the hydrogen-rich application of multiple scenes such as plant water culture, microorganism culture, aquaculture and livestock and poultry breeding can be real
Resumen de: CN121426183A
本发明公开一种片状羟基氧化钴及其制备方法。该片状羟基氧化钴的制备方法包括：将可溶性钴盐分散至水中配制成溶液A，将氧化剂和碱分散至水中配制成溶液B；将反应温度升至70~80℃，在第一搅拌转速下，向溶液A中通入溶液B，持续第一时间；在第二搅拌转速下，继续通入溶液B，持续第二时间；停止进料，在第三搅拌转速下，持续第三时间，得到反应液；反应液经固液分离、洗涤、干燥、破碎，得到片状羟基氧化钴。本发明通过控制氧化剂和沉淀剂的用量及搅拌速度，无需络合剂和分散剂，即可形成分散性好且具有独特片状结构的羟基氧化钴。本发明的制备方法简单、控制条件少、氧化剂使用后无残留、产物纯度高、可重复性强，适合工业大规模生产。
Resumen de: CN121440800A
The embodiment of the invention relates to the technical field of photovoltaic hydrogen production, in particular to a light hydrogen storage system power regulation and control method, a light hydrogen storage system and a storage medium. Smooth filtering is performed on the output power of the photovoltaic module to obtain the photovoltaic power generation power, the charge target value of the PI control energy storage battery is determined according to the charge state value of the energy storage battery and the expected charge working interval, the charge difference value is determined according to the charge target value and the charge state value, and PI control is performed according to the charge difference value. The working power adjusting value of the electrolytic cell is determined, and the smooth and stable target working power value of the electrolytic cell is determined according to the photovoltaic power generation power and the working power adjusting value, so that the working power of the electrolytic cell can be smoothly and stably adjusted according to the target working power value of the electrolytic cell; the condition of large power fluctuation in the electrolytic cell power control process is reduced or avoided, and the service life of the electrolytic cell is prolonged.
Resumen de: CN121428588A
一种电解水制氢系统及冷启动控制方法，属于电解水制氢技术领域。一种电解水制氢系统，包括电解槽，还包括为所述电解槽提供电能的可调制氢电源，所述可调制氢电源用于向所述电解槽提供交、直流成分可调的电流，其中，直流分量数值大于等于交流分量的最大值，所述直流分量用于参与电解制氢的极化反应，所述交流分量用于对所述电解槽在冷启动过程中进行额外加热。本申请的电解水制氢系统通过特意增加制氢电源输出电流的交流分量占比和/或频率，即增加交流分量所产生的有功功率，使得更多的电源输出功率用于加热电解槽，从而在不改变制氢系统本身的工艺流程和不增加额外系统辅机部件的基础上，大幅提升制氢系统的升温启动性能。
Resumen de: WO2025008254A1
An electrolysis system (1) having an electrolyzer (2) designed to convert electrical energy to chemical energy, and having power electronics (4) for supply of the electrolyzer (2) with the required electrical power. The power electronics (4) comprise circuit components (7) and a rectifier (8). Also present is a busbar (14) for electrical connection of the power electronics (4) to the electrolyzer (2). The power electronics (4) comprise multiple strings (5), where each string (5) has circuit components (7) and a rectifier (8), and each string (5) is mounted in a housing (10). The electrolysis system (1) has a carrier frame (15) with multiple slots (16), where each slot (16) is designed to accommodate one of the housings (10) in an assembly position, such that the strings (5) are connectable to the busbar (14) in the assembly position.
Resumen de: AU2024305585A1
The invention relates to an ion-conducting membrane (10) for an electrochemical device, said membrane comprising a layer of a material comprising: - 5% to 30% by weight of a polymer binder and - 70% to 95% by weight of a powdered ceramic, the powdered ceramic comprising ceramic doped with yttrium oxide and/or ceramic doped with cerium oxide. The invention can be used to produce a non-porous membrane for low-temperature electrolysis (0°C to 150°C).
Resumen de: CN121430933A
本发明涉及碱性电解制氢安全防护技术领域，具体公开了一种碱性电解水制氢系统的泄漏防护方法及装置，包括首先获取关键点氢气传感信息与泄漏点氢气感应信息并生成第一泄露监控信息；再基于关键点信息确定泄漏率、泄漏加速度以生成动态风险评估结果，同时确定热点因子并结合动态风险评估结果生成第二泄露监控信息；最终基于双监控信息生成泄露防护结果。本发明解决传统防护依赖静态评估、单一监测导致的误报漏报、响应滞后问题，通过多源信息融合与动态分级控制，提升泄漏防护精准性与及时性，保障碱性电解制氢系统安全高效运行。
Resumen de: CN121428589A
The invention discloses a water electrolysis hydrogen production system, a cascade cold start control method, equipment and a medium, and belongs to the technical field of water electrolysis hydrogen production. The hydrogen production system comprises a plurality of electrolytic bath groups which are communicated with one another, a plurality of electrolytic baths are arranged in each electrolytic bath group, and a plurality of electrolytic bath groups in the plurality of electrolytic bath groups are provided with corresponding electrolyte storage tanks; at least one mixer is arranged between every two adjacent electrolytic cell groups, at least one control valve is arranged at an outlet of each electrolytic cell group, and the outlet of each electrolytic cell group is communicated with the at least one mixer through the control valve; and the control valve is used for controlling the self-circulation temperature rise of the electrolyte in the self electrolytic bath group or the temperature rise of the electrolyte mixed with the electrolyte in other electrolytic bath groups through the mixer. According to the cascade cold start method, the differentiated configuration method is adopted, configuration of the electrolyte storage tank is reduced, and cascade cold start can be achieved by efficiently utilizing waste heat through the method that cold electrolyte and hot electrolyte are mixed for direct heat exchange.
Resumen de: CN121428577A
本发明涉及一种碱性电解水制氢系统低负荷状态下控制氧中氢含量的系统和方法，该系统包括依次连接的电解水单元、气液分离单元、气体纯化单元、储氧缓冲单元、三通控制单元、补气流量控制单元和循环升压单元；所述循环升压单元连接至所述电解水单元，所述三通控制单元还连接有氧气副产品放空单元。本发明系统通过各单元之间的配合可有效降低电解水制氢系统内氧中氢含量，确保电解水制氢系统在较低负荷运行，拓宽了电解水制氢设备的负荷范围。
Resumen de: CN121428572A
The invention discloses a CO2-rich natural gas electro-thermal catalytic coupling reforming method. Methane and excessive carbon dioxide (CO2/CH4gt; the mixed gas obtained in the step (1) is introduced into a cathode of a solid oxide electrolytic tank, and series coupling of three reactions of methane dry reforming, reverse water vapor shift and water electrolysis on the cathode side can be realized by applying external current, so that high CH4 conversion rate, high CO2 conversion rate and high H2 selectivity are obtained. According to the method, the natural gas with high CO2 content is completely converted into the synthesis gas in one step in a single reactor, a high-energy-consumption separation process is avoided, the problems of low CO2 utilization rate, low H2 selectivity, complex process, greenhouse gas emission and the like of a traditional carbon-rich natural gas conversion technology are solved, and the method has the advantages of high efficiency, economy, environmental protection and the like and is suitable for industrial production. The method has a wide application prospect in the fields of conversion and utilization of natural gas and storage of renewable electric energy.
Resumen de: CN121440643A
The invention belongs to the technical field of electrolytic hydrogen production, and provides a voltage-power dynamic mapping-based control method for direct-current bus voltage in a hydrogen production system. The method comprises the following steps of: selecting charge state deviation of an energy storage unit and a power demand of a PEM electrolytic bath as input variables of a fuzzy controller, and taking correction of a droop coefficient as an output variable; dividing the domain of discourse of each variable into five fuzzy subsets; dividing each variable into five fuzzy interval grades, and constructing a multivariable partition dynamic mapping relation, so that each input combination is uniquely mapped to a specific output decision; constructing a voltage-power dynamic mapping relation, and stipulating the correction of the droop coefficient under different input combinations; and the charge state deviation of the energy storage unit and the power requirement of the PEM electrolytic cell are collected in real time, the droop coefficient is updated based on the correction amount of the droop coefficient, and the updated droop coefficient is converted into a direct current bus to provide an optimized voltage reference instruction for the energy storage unit.
Resumen de: CN121423629A
本发明涉及催化材料技术领域，提供了一种粒径可控的PEM电解水制氢用铂黑催化剂的制备方法。本发明将铂前驱体、溴化物、水和醇混合，得到前驱体混合液；将前驱体混合液和碱溶液混合，得到碱性混合液；然后将碱性混合液在微波条件下进行还原反应，得到所述铂黑催化剂。本发明提供的方法能够实现对铂黑催化剂粒径的有效控制，所得铂黑催化剂粒径均匀，分散性好，活性高，并且操作简单，重复性好，能够实现均一批量化制备。实施例结果表明，将本发明制备的铂黑催化剂作为PEM电解槽膜电极阴极，采用商业氧化铱催化剂作为阳极，在60℃下，电流密度为2A cm‑2时电解电压仅需1.78V，远低于目前商用铂黑和铂碳催化剂。
Resumen de: CN121426181A
本发明提供了一种铁氧循环系统和自热耦合的铁基金属燃料储能装置，涉及储能领域，包括产铁阶段、铁分流阶段、氧化铁阶段；产铁阶段，通过输入系统的氢气经过还原反应将氧化铁还原为铁；铁分流阶段，将还原后的铁分为多个支路，多个支路；氧化铁阶段，将多个支路铁经过氧化反应产生氧化铁汇集后重新送入到产铁阶段，进入下一个循环。本发明采用上述的一种铁氧循环系统和自热耦合的铁基金属燃料储能装置，通过引入微型反应器，提高铁氧循环的能量储运效率，助力能源去碳化。
Resumen de: WO2026022486A1
Described herein includes a method for the production of hydrogen gas, the method comprising: (i) providing a DC electrical power supply; (ii) providing a plasma reactor (100) comprising: (a) a plasma chamber (105), (b) a plasma torch (135) comprising a first plasma electrode extending into the plasma chamber, (c) a second plasma electrode extending into the plasma chamber, and (d) first and second spray systems, each extending into the plasma chamber; (iii) establishing a DC electric potential between the first plasma electrode and the second plasma electrode to generate and sustain a reaction zone about a plasma arc therebetween; (iv) providing a spray of a hydrogen-containing feedstock into the reaction zone from the first spray system, whereby a mixture of gases comprising hydrogen gas is formed in the plasma chamber by decomposition of the hydrogen-containing feedstock; and (v) providing a spray of water into the plasma chamber adjacent to the reaction zone from the second spray system, whereby the spray of water cools and dilutes the mixture of gases formed in step (iv).
Resumen de: WO2026020196A1
An electrolytic process and an apparatus for producing solid carbon and gaseous oxygen from CO2. In one aspect the process comprises using a cathode that includes a solid, semi-solid or liquid metal containing a catalytically active material for CO2 reduction that includes less than or equal to 10 wt.% of at least one of copper or silver or gold. In another aspect the process comprises using a "spouted" bed electrolysis apparatus comprising a downwardly moving packed bed of cathode particles that include a catalyst, such as copper, for CO2 reduction and an upward flow of electrolyte.
Resumen de: WO2026022489A1
An oxygen evolution reaction (OER) catalyst material is provided. The OER catalyst material comprises an iridium-containing compound on a particulate catalyst support and has the following characteristics: a BET surface area in the range of and including 35 to 55 m2/g; an iridium content in the range of and including 25 to 45 wt% with the proviso that if the BET surface area is greater than 45 m2/g the iridium content is at least 35 wt%; a Tmax in the temperature-programmed reduction profile of the OER catalyst material of less than 135 °C.
Resumen de: WO2026022299A1
The invention discloses a gas generator for a working tool, comprising an electrolysis cell (150), an electrolyte, a first electrode and a second electrode, said first electrode and said second electrode are separated by at least one electrically non-conductive separator. Further, the at least one electrically non-conductive separator is connected to a wick and the first electrode is connected to a first busbar and the second electrode is connected to a second busbar. A working tool (591), comprising such gas generator is also disclosed.
Resumen de: WO2026021999A1
The present invention relates to a water electrolysis device comprising a plurality of nanopillars. Each nanopillar has a vertical extension in relation to a plane of extension of a substrate supporting the nanopillars. Further, each nanopillar comprises a plurality of quantum dot segments of InxGa1-xN alloy, wherein each quantum dot segment is interposed along the vertical extension between barrier segments of GaN, wherein each quantum dot segment has a thickness of less than or equal to 20 nm along the vertical extension. Moreover, each nanopillar comprises a p-side portion constituting a photoanode and an n-side portion constituting a photocathode, wherein the photoanode comprises at least one quantum dot segment and the photocathode comprises at least one quantum dot segment, wherein the photoanode and the photocathode are separated by a depletion portion comprising GaN. A system for water electrolysis comprising such a water electrolysis device is also presented.
Resumen de: WO2026021830A1
Electrolysis system and method to operate said system notwithstanding occurrence of an adverse operational event are provided. Disclosed embodiments feature bypass circuitry configured to dynamically and quickly adapt the electrolysis system during occurrences of such adverse operational events and effectively inhibit the possibility of having to shut down the entire electrolysis system.
Nº publicación: WO2026024816A1 29/01/2026
Solicitante:
CHEVRON USA INC [US]
CHEVRON U.S.A. INC
Resumen de: WO2026024816A1
A continuous method includes passing a steam feed stream and one or more of a recycled tail gas stream and a methane-rich feed stream to an anode of an electrolyzer containing a cathode, the anode and an electrolyte inserted between the cathode and the anode, thereby producing an anode effluent including syngas, and passing the anode effluent including syngas to the reactor unit, thereby producing a chemical product or a fuel-based product.
BOPI
Sede Electrónica
