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1060
resultados
Última actualización
24/10/2026 [07:27:00]
Resultados 250 a 275 de 1060
Resumen de: WO2026202991A1
A water electrolysis system (10) comprises a plurality of water electrolysis devices (12), a power supply device (14) for supplying current to the plurality of water electrolysis devices, a tank (16) that can accommodate oxygen gas generated at the plurality of water electrolysis devices, and a control unit (64) that controls supply of current from the power supply device to the plurality of water electrolysis devices. The control unit starts supply of current from the power supply device to a first water electrolysis device (12a) of the plurality of water electrolysis devices and then starts supply of current from the power supply device to a second water electrolysis device (12b) of the plurality of water electrolysis devices.
Resumen de: WO2026205248A1
Problem To provide a composite that can be used in an electrode for electrochemical water decomposition and is configured such that the carried amount of a catalyst material such as platinum or iridium oxide is reduced as compared with the prior art. Solution Provided is a method for preparing a composite in which a catalyst material is formed on a support including a carbon nanotube molded body, the method comprising: (1) a step for bringing a support including a carbon nanotube molded body into contact with a solution containing a catalyst precursor for the catalyst material; (2) a step for drying the support brought into contact with the solution to obtain a support carrying the catalyst precursor; and (3) a step for reducing the catalyst precursor to convert the catalyst precursor to a metal, the method optionally including a step, following step (3), for oxidizing the metal.
Resumen de: DE102025112221A1
Die Erfindung betrifft eine Membranelektrodenanordnung (1), die eine Kathode (2), eine Anode (3) und eine zwischen der Kathode (2) und der Anode (3) angeordnete protonenleitfähige Membran (4) umfasst, wobei die Anode (3) eine katalytische Zusammensetzung (5) umfasst, wobei die katalytische Zusammensetzung (5) einen Sauerstoffevolutionskatalysator (6) und eine platinhaltige Komponente (7) umfasst und wobei die platinhaltige Komponente (7) ein keramisches Material (8) umfasst, das eine Platinbeschichtung (9) aufweist.
Resumen de: US20260297771A1
Molybdenum carbide includes a Mo2C crystal structure, in which a content of carbon with respect to a total mass (100 mass %) of the molybdenum carbide is 6% or more.
Resumen de: EP4814164A1
Piece of equipment (EQ1, EQ2) configured to treat a biphasic mixture output by a stack of electrolytic cells and comprising: a separator (SEP) to separate the biphasic mixture into a gaseous fraction (G) and a liquid electrolyte fraction (LE); a cooler (COOL) configured to cool down the gaseous fraction (G) and to condense water vapor of the gaseous fraction into liquid water, the cooler having a high extremity (BONHE) and a low extremity (BONLE) situated lower than the high extremity (BONHE); and a return line (BCK') configured to transport the liquid water condensed in the cooler (COOL) back to the separator (SEP) and comprising a device (SY) configured to prevent fluid from flowing from the separator (SEP) to the cooler (COOL), wherein an output (OUT.HSEP) of the separator (SEP) is fluidically connected to the low extremity (BONLE) of the cooler (COOL).
Resumen de: EP4813908A1
0001 A system and method are disclosed for the production of green hydrogen and oxygen from water using thermal decomposition driven by pulsed or continuous-spin detonation waves. In some embodiments, fresh water is converted into low-temperature steam and superheated beyond 3500°C using multi-stage shock-resonant compression within cooled gas-dynamic resonators, leading to dissociation of water into hydrogen and oxygen. In other embodiments, salt water is first desalinated by detonation-induced evaporation and fragmentation, producing steam and sea salt, after which the steam is thermally decomposed. A centrifugal vortex reactor is used to separate the resulting hydrogen and oxygen gases based on molecular weight. The system is capable of operating in a self-sustaining mode by recycling part of the generated gases for continued detonation. It is suitable for terrestrial and space-based applications, providing scalable, carbon-neutral hydrogen and oxygen production from fresh or salt water without the need for external electricity or fossil fuels.
Resumen de: WO2025109618A1
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)
Resumen de: WO2025109126A1
Water electrolyser stack having a range of half-cell frames which each circumscribes one of an anolytic or a catholytic process chamber and which half-cell frames are arranged and aligned in an array between a proximal electric current injector/collector plate and a distal electric current injector/collector plate, and where each half-cell frame comprises an embedded furrow flow channel adapted to serve an electrolyte flow from a stack internal inflow manifold channel to a corresponding anolytic or catholytic reaction chamber and an embedded furrow flow channel adapted to serve an electrolyte and gas outflow from a corresponding anolytic or catholytic reaction chamber to a corresponding stack internal manifold channel wherein each of the embedded furrow flow channels comprise at least one fluid and/or gas trap section.
Resumen de: WO2025109108A1
The present application relates to an electrode unit (1216a, 1216b) for an electrolytic cell, comprising a planar electrode (12a, 12b) and an interlayer (16a, 16b) which is elastically deformable in a direction normal to the planar electrode (12a, 12b) and which has a thickness greater than a thickness of the electrode (12a, 12b) at least in a central region of the interlayer (16a, 16b), the interlayer (16a, 16b) comprising periphery regions crushed in said direction and connected to a periphery of the electrode (12a, 12b) by a weld made by resistance autogenous welding. An electrolytic cell and an electrolyser stack comprising such electrode units (1216a, 1216b) and a method for manufacturing such a stack are also described.
Resumen de: EP4814166A2
0001 The present disclosure relates to an electrode assembly for a bipolar electrolyser stack, preferably for an electrolyser stack, comprising: a first flow-through electrode comprising a first surface that is permeable to gases produced by the decomposition of a process solution, preferably water, and an opposite second surface; a second flow-through electrode comprising a first surface that is permeable to gases produced by the decomposition of a process solution, preferably water, and an opposite second surface; and a non-permeable divider arranged between the second surfaces of the first and second flow-through electrodes and adapted to separate the first and second flow-through electrodes from each other.
Resumen de: EP4813514A1
The present invention relates to a catalyst for an ammonia decomposition reaction and a hydrogen production method using same. More specifically, the present invention relates to: a catalyst for an ammonia decomposition reaction which, by containing cesium and cerium in a cobalt-molybdenum composite nitride, exhibits excellent catalytic activity in the ammonia decomposition reaction and thus enables an improved ammonia conversion rate, and which shows minimal degradation in activity even after high-temperature and long-duration reactions, offering excellent long-term stability; and a hydrogen production method using the catalyst.
Resumen de: US20250167271A1
0000 An integrated energy system comprising a power plant including at least one nuclear reactor and electrical power generation system, the at least one nuclear reactor being configured to generate steam, and the electrical power generation system being configured to generate electricity, a desalination system configured to receive at least a portion of the electricity and steam to produce brine, an electrolysis process configured to process the brine into Sodium Hydroxide (NaOH), a Sodium Formate (HCOONa) production process configured to receive the Sodium Hydroxide (NaOH) to produce Sodium Formate (HCOONa), a Hydrogen (H<2>) extraction reactor configured to receive the Sodium Formate (HCOONa) and produce Hydrogen (H<2>), and a fuel cell configured to receive the Hydrogen (H<2>).
Resumen de: EP4814167A1
0001 The present disclosure relates to a membrane-electrode assembly for a water electrolysis cell and a water electrolysis cell comprising same, wherein the membrane-electrode assembly for a water electrolysis cell further comprises a coating layer positioned on one surface of a catalyst layer to prevent an ion conductor exposed on the surface of the catalyst layer from contacting a microporous layer, and a polymer electrolyte membrane exposed through an opening in which the catalyst layer does not exist due to low loading from contacting the microporous layer, thereby reducing a band bending phenomenon, so that a pinch-off effect can be reduced and performance can be improved. In addition, furthermore, the coating layer serves to connect catalyst layers, which are not in contact with the microporous layer, to each other, thereby enabling smooth electron movement.
Resumen de: WO2025179327A1
The present invention relates to an electrolysis device (100) for producing a fuel (B) in electrolysis cells of at least one electrolysis stack (110), comprising an air supply portion (122) for supplying feed air (ZL) to an air side (120) of the electrolysis stack (110) and an air discharge portion (124) for discharging exhaust air (AL) from the air side (120) of the electrolysis stack (110), and also comprising a water supply portion (132) for supplying water (W) to a fuel side (130) of the electrolysis stack (110) and a fuel discharge portion (134) for discharging fuel mixture (BG), which comprises fuel (B) and water (W), from the fuel side (130) of the electrolysis stack (110), wherein: the fuel discharge portion (134) has a condenser device (140) for cooling the fuel mixture (BG) to below a condensation temperature of water (W), for condensing the water (W) and separating the water from the fuel (B); in the fuel discharge portion (134), upstream of the condenser device (140), a fuel-mixture/feed-air heat exchanger (150) is arranged in heat-transferring contact with the air supply portion (122) for transferring heat from the fuel mixture (BG) to the feed air (ZL).
Resumen de: EP4814168A1
Provided are an electrolysis device, an electrolysis device control method, and an electrolysis device control program that reduce circulation current flowing through a grounding wire. An electrolysis device (1) includes: a plurality of rectifiers (20); and an electrolyzer (100) having a plurality of cell stacks (10) having common positive electrodes, the positive electrode of each of the cell stacks (10) is connected to the positive electrode of each of the plurality of rectifiers (20) installed in parallel, the negative electrode of each of the cell stacks (10) is connected to the negative electrode of each of the rectifiers (20), and electrolysis device further includes a balance cable (80) connecting a negative electrode of at least one of the cell stacks (10) and a negative electrode of at least another one of the cell stacks (10) to each other.
Resumen de: WO2025109109A1
The present application relates to an electrolytic cell comprising at least a first and a second bipolar plate (14) and an electrode unit (1216a, 1216b) and a membrane (11). The electrode unit comprises a planar electrode (12a, 12b) and an interlayer (16a, 16b) which is elastically deformable in a direction normal to the planar electrode (12a, 12b) and which has a thickness greater than a thickness of the electrode (12a, 12b) at least in a central region of the interlayer (16a, 16b), the interlayer (16a, 16b) comprising periphery regions crushed in said direction and connected to a periphery of the electrode (12a, 12b) by a weld created by autogenous welding. The present application also relates to an electrolyser stack comprising such a cell and to a method for manufacturing such a stack.
Resumen de: CN122828720A
本发明涉及一种用于氨裂解制氢的催化剂及其制备方法、氨裂解制氢方法，其中，用于氨裂解制氢的催化剂，包括固相载体、分散负载于所述固相载体表面的第一助剂金属，以及锚定于所述助剂金属上的活性金属纳米颗粒；所述活性金属纳米颗粒与所述固相载体之间通过所述第一助剂金属形成界面接触；所述活性金属纳米颗粒为第二助剂金属改性的活性金属；第一助剂金属和第二助剂金属均为碱金属。其有益效果是，制备的用于氨裂解制氢的催化剂，其活性金属负载量低，催化活性高、稳定性强，大幅降低了贵金属用量，提升原子经济度，显著降低氨裂解制氢的催化剂工业化生产成本。
Resumen de: CN122831893A
0001 本发明涉及环氧丙烷制备技术领域，公开了一种丙烷制备环氧丙烷的集成方法和系统。该方法包括以下步骤：(1)将水进行电解反应，得到氢气和氧气；(2)将步骤(1)得到的氢气和氧气与丙烯和致稳气进行混合；(3)在环氧化催化剂的存在下，将步骤(2)得到的混合气体进行环氧化反应；(4)将环氧化反应后的气体产物进行一级分离和二级分离。按照本发明的技术方案，通过电解水制备的氢气与氧气为原料，与丙烯发生环氧化反应制备环氧丙烷，具有工艺流程短、经济性高以及安全环保等优点。
Resumen de: CN122833618A
本发明提供了一种羧基有机物在电解水制氢添加剂的应用，通过电解液优化策略去提升催化电极的催化性能，同时该羧基有机物具备纯化电解液中杂质离子、提升催化剂稳定性的作用，将羧基有机物添加至碱性电解液中后，羧基有机物添加剂能优先与催化剂表面的金属离子络合，而锚定在催化剂表面，最终调控催化剂表面金属元素的电子结构，并提升其稳定性，从而显著提升其本征催化性能和稳定性。因此，本发明的羧基有机物能够通过简单添加即可实现净化电解液、稳定电极表面、显著提升OER反应动力学与电解槽整体能效。
Resumen de: CN122833644A
本发明公开了一种复合催化材料及其制备方法和应用，属于电催化材料技术领域。本发明所提供的制备方法包括：对碳布进行混酸氧化预处理；将预处理后的碳布置于含有钼源、硫源和钴源的前驱体溶液中进行第一水热反应，然后置于含有钌源的溶液中进行第二水热反应，即得。本发明通过在碳布表面原位生长钴掺杂二硫化钼层并进一步通过低温水热反应在其表面形成钌钼复合氧化物层，以在降低贵金属用量的同时改善材料在宽pH范围内的析氢催化活性和循环稳定性。此外，本发明采用两步液相法完成复合催化材料的制备，无需高温煅烧、真空沉积等复杂设备，工艺条件温和、流程简洁、重复性较好。
Resumen de: CN122833638A
本发明涉及一种铂基氨氧化电催化电极、其制备方法及应用。该制备方法以钛网为导电基底，将氯铂酸和三氯化铱溶于盐酸水溶液中，通过恒电位电沉积在钛网表面形成PtIr催化层。少量铱的引入使催化层的表面形貌和晶体结构发生变化。与现有技术相比，PtIr/Ti电极的氨氧化起始电位由0.42 V降至0.40 V，峰值电流密度由0.50 A cm‑2提高至0.80 A cm‑2，并在100 mA cm‑2、60 ℃条件下连续运行180 h，可作为碱性氨辅助电解制氢体系的阳极催化材料，具有电流响应性强、催化性能好、电位稳定性好等优点。
Resumen de: CN122833639A
0001 本发明公开一种NiSe/CoOOH晶/非晶异质纳米片电催化剂制备及应用，归属电化学材料领域。以预处理泡沫镍为基底，先恒电位电沉积原位包覆非晶CoOOH薄层，再经镍硒体系二次恒电位沉积，构筑自支撑NiSe/CoOOH晶/非晶异质纳米片，可用于碱性体系尿素氧化反应（UOR）。异质界面与片状形貌协同增效：增多催化活性位点、调控界面电荷迁移与电子构型，加快反应动力学与电子传导，降低尿素氧化能耗、提升催化电流；同时改善电极循环稳定性。本方案原料廉价、制备条件温和易操作，易于工业化量产，可同步实现节能电解制氢与尿素污水资源化处理。
Resumen de: CN122828461A
0001 本发明涉及制氢气体净化技术领域，公开了一种制氢用氢气碱雾环保离心分离装置，包括加速壳、分配管和多个分离壳，加速叶将含碱雾氢气分别送入分离壳，吸入叶使气体进入收缩管，液滴沿收缩管内壁向收缩口汇聚后进入伸出管与传动轴之间，并由螺旋叶输送至第一出水管，剩余气体经回流管进入离心叶，离心叶将残余液滴甩向离心壳，含液气流再沿收入管、往复管和弯管流动，液体由第二出水管排出，净化后的氢气由出气管排出。本发明通过收缩汇液、主动排液和回流离心实现两级分离，能够减少液滴返混和碱雾夹带。
Resumen de: CN122833653A
本发明涉及电解水制氢技术领域，提出了基于强化学习的电解水制氢控制方法及系统，步骤包括：构建包括多种物理模型的电解水制氢系统动态仿真环境；设计强化学习智能体，其中状态空间包含当前系统运行状态及未来预测时域内的发电功率预测值和氢需求预测值，动作空间包含电解槽输入电流调整增量和冷却水流量调整增量，奖励函数为兼顾系统能效、可再生能源消纳、热安全和功率波动抑制的多目标融合函数；在仿真环境中对强化学习智能体进行离线训练，获得控制策略模型；根据训练好的控制策略模型，在每个控制周期根据实时观测状态输出动作指令，并执行动作指令以控制电解槽运行。本发明实现了对电解水制氢系统在动态可再生能源供电下的自适应控制。
Nº publicación: CN122833648A 29/09/2026
Solicitante:
青岛中石大新能源科技有限公司
Resumen de: CN122833648A
0001 本发明公开了一种基于酸性氧化性配体修饰的钌氧化物催化剂及其在酸性析氧反应中的应用，属于电催化材料技术领域。所述催化剂包括金属氧化物基体和修饰在所述金属氧化物基体表面的酸性氧化性配体；所述酸性氧化性配体为多金属氧酸盐；所述多金属氧酸盐通过杂原子‑氧‑金属化学键锚定在所述金属氧化物基体表面；所述多金属氧酸盐选自Keggin型多酸、Dawson型多酸、Waugh型多酸和缺位型多酸中的一种或多种。本发明以多酸为功能配体，系统性地解决了氧化钌在酸性OER中长期存在的活性‑稳定性对立的瓶颈。
BOPI
Sede Electrónica
