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Resultados 375 a 400 de 1038
Resumen de: WO2024095217A1
A method and system for producing renewable energy in a programmed manner and the production of "green" hydrogen by creating power plants that have a non-programmable renewable energy production power and are connected to the grid with a connection capable of transporting only one fraction of the total installed power, creating a funnel effect in which the energy not fed into the grid is used to charge one or more storage systems and fuel the production of green hydrogen, with the possibility of drawing energy from the public electricity grid also making an accumulation service of excess renewable energy produced by other renewable plants not created with this method. The method includes the preparation of one or more electricity production plants (10, 11) from discontinuous and variable non-programmable renewable sources, having an overall predetermined maximum installed renewable power PRI; the preparation of one or more systems of electrical energy storage (17, 18) of similar or different technology electrically connected to each other, having a predetermined maximum storage power PS which are electrically connected to said one or more electrical energy production plants (10, 11) from a discontinuous and variable renewable source through electrotechnical and electromechanical technical means creating a power plant (100, 101); the connection of said power station (100, 101) to the public electricity grid (16) with technical power transmission means (14, 15) having a pre-det
Resumen de: WO2024110874A1
Methods and systems related to valorizing carbon dioxide are disclosed. A disclosed system includes a reverse water gas shift (RWGS) reactor, a carbon dioxide source connection fluidly connecting a carbon dioxide source to the RWGS reactor, an electrolyzer having an anode area and a cathode area, and a carbon monoxide source connection fluidly connecting the RWGS reactor to the cathode area. The RWGS reactor is configured to generate, using a volume of carbon dioxide from the carbon dioxide source connection, a volume of carbon monoxide in an RWGS reaction. The electrolyzer is configured to generate, using the electrolyzer and a reduction of the volume of carbon monoxide from the carbon monoxide source connection and an oxidation of an oxidation substrate, a volume of generated chemicals including hydrocarbons, organic acids, alcohol, olefins, or N-rich organic compounds.
Resumen de: EP4624806A2
An industrial system (20) for heating, drying, or curing, comprising an electrolyser (700) for producing hydrogen fuel from water; at least one heating element for using the hydrogen fuel; and a processor for controlling the at least one heating element such that the at least one heating element is adapted to use the hydrogen fuel under control of the processor; wherein the processor is connected to a network to enable communication to a server, the server having at least one module for providing at least one of monitoring or control of the operation of the system (20); and wherein the electrolyser (700) is controlled by the processor and adapted to generate the hydrogen fuel under control of the processor and responsive to an indication of use of the hydrogen fuel.
Resumen de: KR20250143193A
본 발명은 수돗물, 지하수 또는 하천수에 포함된 부유 및 실트 등과 같은 물질을 제거한 후 무기물질과 유기물질을 분리 및 제거한 처리수 또는 전해질 수용액을 생성하는 자연수전처리부와; 전원부로부터 전원을 공급받아 전처리부로부터 공급되는 처리수 또는 전해질 수용액을 이용하여 수소를 생성하는 전기분해모듈과; 전기분해모듈에 전원을 공급하는 전원부와; 전기분해모듈로부터 공급되는 수소에서 수분을 제거하는 기액분리장치와; 기액분리장치에서 수분이 제거된 수소의 온도를 낮추는 열교환기와; 열교환기로부터 공급되는 수소에 포함된 수분을 완전하게 제거하기 위하여 수분의 흡착 및 건조시키는 건조장치와; 건조장치에서 수분이 완전하게 저장된 수소가 저장하고, 저장된 수소를 다시 압축하여 저장하는 수소저장부;로 구성되는 것을 특징으로 하며, 전기분해(수전해)로 청정수소 생산을 위해 필요한 수처리비용 및 유지관리비용 절감, 전기분해셀의 설치비 및 유지관리비 및 냉각 비용절감할 수 있고, 비싼 금속 촉매(백금 등) 사용 및 순도 높은 수질과 고분자 전해질막(Membranes)이 필요없는 전기분해방식으로 청정수소를 생산하고, 청정수소의 생산시 냉각수에 의해 열을 최대한 억제시켜 청정수소의 생산�
Resumen de: MY210590A
The present invention relates to an electrode and in particular to an electrode suitable for use as a cathode for the development of hydrogen in industrial electrolytic processes, equipped with a catalytic coating comprising an external layer containing ruthenium and selenium; and to a method for the production of the same.
Resumen de: US2024072339A1
A method and a system for integrating renewable power with a natural gas hydrogen production plant are provided. An exemplary method include generating electricity and a reformed hydrogen stream in a solid oxide fuel cell (SOFC) stack, and providing the electricity to an electrolyzer to generate an electrolysis hydrogen stream. A second stream of electricity is generated in a renewable energy facility, when available, and providing the second stream of electricity to the electrolyzer to increase the generation of the electrolysis hydrogen stream.
Resumen de: MX2025008404A
The invention provides devices, systems, and methods for providing hydrogen gas mixtures to a subject. The invention allows hydrogen gas mixtures to be provided at a rate that does not restrict normal or even elevated breathing.
Resumen de: MX2025004537A
A method for producing a synthetic fuel from hydrogen and carbon dioxide comprises extracting hydrogen molecules from hydrogen compounds in a hydrogen feedstock to produce a hydrogen-containing fluid stream; extracting carbon dioxide molecules from a dilute gaseous mixture in a carbon dioxide feedstock to produce a carbon dioxide containing fluid stream; and processing the hydrogen and carbon dioxide containing fluid streams to produce a synthetic fuel. At least some thermal energy and/or material used for at least one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams is obtained from thermal energy and/or material produced by another one of the steps of extracting hydrogen molecules, extracting carbon dioxide molecules, and processing the hydrogen and carbon dioxide containing fluid streams.
Resumen de: MX2025009259A
A hydrogen generation system includes: a direct current (DC) power supply providing a driver signal, a reactive circuit coupled to the power supply and configured to generate a pulse drive signal from the driver signal, at least one reaction chamber coupled to the reactive circuit and receiving the pulse drive signal wherein the chamber is configured to generate hydrogen from feedstock material utilizing the pulse drive signal, a gas analyzer coupled to the at least one reaction chamber and configured to detect the generated hydrogen, and a control unit coupled to the reactive circuit and to the gas analyzer and configured to control the reactive circuit based on the detected hydrogen. The reaction chamber includes a plurality of positively charged elements and a plurality of negatively charged elements. The elements are composed of non-dis similar metallic material.
Resumen de: WO2024043908A1
A method can include: providing the existing SMR, wherein the SMR was formerly used to produce hydrogen from a hydrocarbon; and improving the nitridation resistance of the inner surface of the equipment by adding a protective layer to an inner surface of equipment to be used in the existing SMR, wherein the equipment is selected from a catalyst tube, feed piping, a feed preheater, process gas heat exchangers, and combination thereof. The hydrogen production facility can include a reformer configured to catalytically convert a feed stream into a product stream comprising hydrogen, means for providing the feed stream to the reformer from an ammonia source, wherein the feed stream comprises at least 90% of ammonia, wherein the plurality of catalyst tubes comprise a nitridation protective layer on an inner surface of the catalyst tubes.
Resumen de: CN119908039A
Disclosed is an electrochemical cell having: a porous metal support; at least one layer of a first electrode on the porous metal support; a first electron blocking electrolyte layer of rare earth doped zirconia on the at least one layer of the first electrode; and a second bulk electrolyte layer of rare earth doped cerium oxide on the first electron blocking electrolyte layer. The first electron blocking electrolyte layer of rare earth doped zirconia may have a thickness of 0.5 mu m or more, and the second bulk electrolyte layer of rare earth doped ceria may have a thickness of 4 mu m or more.
Resumen de: GB2639690A
A sustainable water fuelled process and apparatus where a Unipolar electrolysis of water is described and the hydrogen and oxygen are stored before feeding a hydrogen fuel cell which is capable of providing sufficient electricity to provide power to a drive a vehicle, power a generator etc, after supplying electricity to the Unipolar electrolyser and the storage of the hydrogen and oxygen.
Resumen de: CN120714661A
本发明公开了一种硫镉锌铜/氧化钨异质结光催化剂及其制备方法及应用，属于光催化材料技术领域，本发明通过简单的一步水热法和原位生长策略，将硫镉锌铜纳米颗粒负载到氧化钨纳米棒表面，从而得到硫镉锌铜/氧化钨异质结光催化剂。本发明制备的硫镉锌铜/氧化钨异质结光催化剂可用于可见光驱动的光催化全分解水制取氢气和氧气，通过能带的匹配建立阶梯式电子转移通道，通过内置电场促进光生电荷的分离，驱动光生电子和空穴进行氧化与还原反应，实现了从单一制氢到全分解水的功能跨越。
Resumen de: CN120719322A
本申请涉及电催化材料技术领域，公开一种电催化剂及其制备方法和应用。电催化剂具有以下化学通式：SrIrxCo1‑xO3；其中，x为0.5～1，且不为1。本公开提供的电催化剂通过在ABO3型钙钛矿结构材料SrIrO3的B位引入部分钴元素进行掺杂，可有效改善材料的电荷转移性能，促进表面活性位点的生成，并调控Ir位的电子结构，从而在降低贵金属Ir用量的同时实现对酸性条件下析氧反应的高效催化，提升了SrIrO3材料在酸性电解条件下的结构稳定性与催化活性。电催化剂的制备方法采用溶胶‑凝胶法，工艺简单、重复性好，并加入柠檬酸作为金属络合剂，提升了结构稳定性，结合两步煅烧工艺，制备得到具有规整ABO3型钙钛矿结构的Co掺杂SrIrxCo1‑xO3电催化剂，具有显著的成本优势和工业化应用前景。
Resumen de: CN120719334A
本发明属于催化剂技术领域，具体涉及一种桥联榫卯结构的镍铁层状氢氧化物制备及应用。所述复合材料以镍铁层状氢氧化物为基底，通过一步水热法将对氯苯甲酸以桥联的方式，两侧基团榫卯在镍铁层状氢氧化物的层间。本发明所制备的复合材料中，独特的桥联结构稳定了镍铁层状氢氧化物的层状结构，羧酸以及氯原子基团调控了界面电子结构，抑制金属离子的溶出，优化质子转移路径。本发明丰富了镍铁层状氢氧化物电催化剂催化活性的优化策略，拓展了镍铁层状氢氧化物基电催化剂的商业应用价值。
Resumen de: CN120719339A
本申请公开了一种宽负荷碱水电解制氢系统的控制方法及装置、介质、设备，该方法包括：在运行过程中，获取宽负荷碱水电解制氢系统的当前运行功率和当前氧中氢含量占比；将当前运行功率与第一预设功率阈值和第二预设功率阈值进行比较；基于比较结果和/或当前氧中氢含量占比，调整宽负荷碱水电解制氢系统的至少一个运行参数，其中，运行参数包括系统流量、系统运行功率、加热装置温度和系统压力，加热装置包括氢气加热装置和氧气加热装置。通过实时调整运行参数，避免因氧中氢含量过高引发的安全事故的同时，使得制氢系统可以在更宽的功率范围内有效运行，最大限度地提高设备的使用效率，减少频繁的停机事件，从而提高系统的运行时间和生产效率。
Resumen de: CN120719336A
本发明提供一种泡沫镍铁负载LDH/MOF异质电催化剂、制备方法及应用，涉及电解水催化剂技术领域。该催化剂是以导电的泡沫镍铁为自支撑基底，负载外层为层叠交错的褶皱状NiFe‑LDH纳米片包覆二维NiFe‑MOF纳米片阵列，共同构建具有核壳结构的纳米复合材料。本发明还提供一种泡沫镍铁负载LDH/MOF异质电催化剂的制备方法。本发明还提供上述泡沫镍铁负载LDH/MOF异质电催化剂在电解水中的应用。本发明的催化剂不仅有效提升了电解水系统的整体效率，还具有较高的稳定性和较长的使用寿命。
Resumen de: CN120719324A
本发明涉及电解电极技术领域，公开了一种不锈钢基阳极析氧电极的制备方法与应用，包括以下步骤：S1. 对不锈钢网进行喷砂处理并切割成不锈钢网小片，超声洗涤，干燥，作为电极基底；S2. 将S1所得不锈钢网置于氯化铁六水合物和硫代硫酸钠混合液中，磁力搅拌条件下浸泡一段时间后，洗涤、干燥；S3. 在三电极体系中，以碱液和盐水混合液为电解质，以S2所得不锈钢网作为工作电极，对S2所得不锈钢网进行电流脉冲活化。本发明通过喷砂、化学腐蚀结合电流脉冲，协同激活不锈钢电极网，得到具有优异电催化活性和稳定性的低成本电极，在工业化电解水制氢中具有良好的应用前景。
Resumen de: CN120719314A
本申请公开了丝素基碳气凝胶负载双金属硫化物催化剂的制备方法及其应用，涉及电催化析氢技术领域。制备方法包括：将脱胶丝素溶解于三元体系溶液中，制备获得预混合溶液；将预混合溶液依次经透析处理、冷冻干燥处理，制备获得多孔丝素气凝胶；将多孔丝素气凝胶依次进行预碳化处理、球磨混合处理以及碳化处理，制备获得丝素基碳气凝胶载体；将丝素基气凝胶载体加入至金属硫化溶液中，制备获得丝素基碳气凝胶负载双金属硫化物催化剂。本申请的制备方法制备获得的丝素基碳气凝胶负载双金属硫化物催化剂具有高石墨化程度、均匀分散的纳米针状活性位点及大比表面积，且环保性能优异、电荷转移效率以及催化活性高。
Resumen de: CN120719320A
本发明公开了一种OER电催化剂及其制备方法与应用，属于电解水技术领域。所述OER电催化剂为具有3D结构的的Ni(OH)2‑CoWO4/Co3W3C@CNF异质结复合材料。本发明以CNF纳米阵列为基底，通过原位生长CoWO4/Co3W3C并结合水浴刻蚀处理，制得Ni(OH)2‑CoWO4/Co3W3C@CNF多级异质结构复合材料。该原位构建的异质结构催化剂，不仅提高了材料结构的稳定性，还有效提升了OER的催化性能。本发明制备工艺简单、易于规模化实施，适用于批量制备高性能OER阳极材料。
Resumen de: CN120718382A
本发明提供了一种制氢设备用绝缘密封垫及其制备方法，涉及电解制氢技术领域，包括以下质量百分比组分：硫酸钡20～60％、界面增强剂1～2％、聚四氟乙烯38～79％。本发明通过超音速气流混料技术实现硫酸钡在聚四氟乙烯基体中的纳米级分散，确保密封垫材料各向同性；通过精密控制的烧结工艺构建致密化的原纤维互锁结构，在保持聚四氟乙烯固有耐腐蚀特性的同时，显著提升了材料的抗蠕变性能和尺寸稳定性；通过结合上述工艺提高硫酸钡的填充比例，在保证产品性能的前提下有效降低了聚四氟乙烯的使用量，使该密封垫兼具优异的机械性能、化学稳定性和显著的成本优势，完全满足规模化工业生产的需求。
Resumen de: CN120728626A
本发明属于新能源电力制氢系统优化运行与多能协同控制技术领域，公开了一种基于秒级风光功率预测的风光氢储系统中制氢功率前馈补偿方法。所述制氢功率前馈补偿方法，包括：在传统15分钟风光氢储调度基础上，若判断目前秒级功率预测准确度满足要求，若满足继续判断是否存在预测功率突变，若存在，则考虑目前系统是否能消纳突变功率、制氢功率计划补偿值执行后制氢总功率是否会导致储能充放电及上网功率限值超过上下限、计算后制氢总功率是否超过周期内制氢总功率可调上下限限值等因素，给出15分钟制氢计划的前馈补偿值，提升了整体调度的精度，弥补了15分钟内风光功率预测值缺少的问题。
Resumen de: CN120719319A
本申请涉及催化材料技术领域，公开了一种析氧电催化剂及其制备方法与应用。所述析氧电催化剂包括载体和活性组分，所述载体为稀土元素掺杂的四氧化三钴，所述活性组分为单原子铱，所述活性组分嵌入在所述载体的表面晶格中。本申请利用稀土元素对四氧化三钴进行掺杂改性，一方面可以丰富四氧化三钴基底的缺陷，从而改善基底的导电性；另一方面在负载铱的过程中还能促进铱的离子交换和负载，使更多的铱离子进入四氧化三钴的表面晶格，经氧化焙烧后形成分散的嵌入型单原子铱，提高了单原子铱的负载稳定性和分散性，从而可减少催化剂中铱的含量，降低催化成本；第三方面，稀土元素的掺杂还能调控钴和单原子铱的电子结构，从而提升催化性能。
Resumen de: CN120714658A
本发明公开了一种压电光催化纳米纤维膜及其制备方法与应用，通过静电纺丝技术将Cd0.3Zn0.7S颗粒、TiO2及CDs三种功能材料共混于PVDF/PAN基质中，构建具有高比表面积与高分散性的纳米复合结构，制得兼具优异光电性能与压电效应的光催化纳米纤维膜。在此基础上，借助紫外刻蚀技术优化纳米纤维膜界面性能，增加活性位点暴露度、降低纳米颗粒包埋率，进一步强化纳米纤维膜表面反应性，实现催化性能的优化。本发明提供的压电光催化纳米纤维膜结构稳定，在多轮循环光催化实验中保持较高的析氢效率，展现出优异的重复利用性能与环境适应性。
Nº publicación: CN120726280A 30/09/2025
Solicitante:
陕西氢能研究院有限公司
Resumen de: CN120726280A
本发明涉及电解制氢技术领域，且公开了一种PEM电解槽制造堆叠对齐系统，包括：成像单元，工控机以及堆叠工位，所述成像单元包括：可见光成像模块及红外光成像模块，所述成像单元数据输出端与工控机数据输入端连接，所述工控机数据输出端与堆叠工位数据输入端连接，所述系统还包括PLC控制器，所述PLC控制器分别与可见光相机及可见光源和红外光相机及红外光源连接。本发明还公开了一种PEM电解槽制造堆叠对齐方法，所述方法包括以下步骤：S1：图像采集；S2：特征处理；S3：运动控制；S4：反馈回路。本发明通过可见光与红外光协同成像，多光谱图像特征提取与交叉矫正，PEM电解槽堆叠精度可达微米级，满足规模化绿氢生产对效率、寿命与成本的严苛要求。
BOPI
Sede Electrónica
