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1135
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Última actualización
06/08/2026 [07:39:00]
Resultados 1075 a 1100 de 1135
Resumen de: WO2026121660A1
The present invention relates to a method for manufacturing an alkaline water electrolysis diaphragm, capable of optimizing ionic conductivity and mechanical strength of the diaphragm and minimizing gas crossover by means of optimizing a coating gradient during a manufacturing process of the diaphragm to improve coating uniformity.
Resumen de: EP4756935A1
The invention relates to a method for preparing an electrocatalyst comprising a first step of mixing and milling of a metal salt, a polyphenol and a surfactant followed by a second step of heating the paste resulting from the first step at a temperature higher than or equal to 700°C under an N2 atmosphere.
Resumen de: EP4757159A1
A method of operating a power supply system (1) for a multi-stack electrolyzer system (2) is presented, the power supply (1) comprising a transformer unit (3) operable to transform an alternating current electrical power (AC) and a rectifier system (4) operable to convert the alternating current electrical power (AC) to a direct current electrical power (DC), wherein at least two thyristor-type rectifier units (5) are connected in parallel between the transformer unit (3) on the AC side and an electrolysis array (110) on the DC side of the rectifier (4), and wherein the two rectifier units (5) are connected to different electrolyser stacks (6a, 6b), wherein the method comprises controlling the voltage of the rectifier units (5), wherein a reference DC voltage is provided to a control unit (7), wherein the control unit (7) controls the DC voltage (Vdc) to a common reference value (Vdc ref) by providing a corresponding firing angle (αref). Moreover, a related controller, power supply and the multi-stack electrolyzer system, are provided.
Resumen de: GB2702320A
A method of controlling an electrolyser cell stack with a system having a fluid temperature control system is defined. The method inlcudes: a current control system, a voltage monitoring system and monitoring/control systems for the temperatures of the fluid inlet and outlet. The method operates by controlling the current to a fixed value, then calculating a temperature delta between the fluid inlet and outlet, and adjusting the fluid input temperature if the delta is greater than a threshold value. the stack may be operated in a thermoneutral state. A control device in order to operate the method is also detailed. Figure 3
Resumen de: WO2024249646A1
A multi-tier integrated power-to-ammonia system includes a converter for generating ammonia and heat through a reaction involving a compressed mixture of hydrogen and nitrogen gases. The system includes a steam generator that can generate steam using the heat from the reaction, and a reversible solid-oxide system in fluid communication with the steam generator that can separate the steam into oxygen gas and hydrogen gas.
Resumen de: WO2025067773A1
The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) having a platform (3) and an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a water supply device (7) which is connected to the electrolysis plant (5) and has a water collector (13) which is designed such that it is possible, without relying on seawater, to obtain water with little or no salt content which can be used as feed water for operating the electrolysis plant (5). The invention also relates to a method for operating a corresponding offshore electrolysis system (100), wherein, without relying on seawater, water is obtained in a water collector (13), the obtained water being of a quality with little or no salt content.
Resumen de: WO2025067765A1
The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) with a platform (3) and with an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a heat supply device (7) which is coupled to the electrolysis plant (5) and is designed in such a way that heat can be transferred to the electrolysis plant by means of the heat supply device (7) during a standstill mode so as to maintain the temperature above a minimum temperature. The invention also relates to a method for operating a corresponding offshore electrolysis system. During a standstill mode, heat is transferred to the electrolysis plant (5) by means of the heat supply device (7) so as to maintain the temperature above a minimum temperature and prevent freezing of water-carrying components of the electrolysis plant (5).
Resumen de: WO2025067772A1
The invention relates to an electrolysis system (100) comprising: a wind turbine (1); an electrolysis plant (5) which is connected to the wind turbine (1) in order to supply electrolysis current, wherein an island network is implemented without connection to a power supply network; and a heat supply device (7) which is coupled to the electrolysis plant (5) and can be operated with a working medium (23), and which has an evaporator (13) and a condenser (11), and which is designed in such a way that, during a standstill mode, condensation heat of the working medium (23) can be transferred to the electrolysis plant (5) by means of the condenser (11) so as to maintain the temperature above a minimum temperature. During a standstill mode, the heat supply device (7) evaporates a working medium and condenses the evaporated working medium (23), condensation heat being generated and transferred to the electrolysis plant (5) so as to maintain the temperature above a minimum temperature and prevent freezing of water-carrying components of the electrolysis plant (5).
Resumen de: AU2024327331A1
Electrolysis system, energy balancing system, method for balancing electrical power in an electrical network, computer program, controller and an electrical energy source The present invention pertains to an electrolysis system (1) and an energy balancing system (10) comprising a renewable electrical energy source (2) and the electrolysis system (1) that are electrically connected, wherein a production of electrical power of the renewable electrical energy source (2) is controlled by generator controller (5) and an absorption of electrical power by an electrolysis process (5) of the electrolysis system (3) is controlled by a main power controller (2) and an electrolysis controller (4). The electrolysis controller (4) is adapted to determine a capacity of the electrolysis system (3) of converting any additional electrical power and to transmit an indicator value (7) indicative of the electrolysis process (5) being capable or not capable of absorbing any additional electrical power to the main power controller (2) and/or to the generator controller (12) for adjusting the production and/or absorption of electrical power.
Resumen de: EP4755844A1
0001 Provided is a method for producing hydrogen in which ammonia can be decomposed at high efficiency even with low power consumption to produce hydrogen. The method for producing hydrogen of the present invention includes a step in which an ammonia decomposition catalyst including a titanate represented by the following general formula (1) or a titanium oxynitride represented by the following general formula (2) is brought into contact with ammonia under irradiation with microwaves at low output.
ATiO<3-x> (1)
(In the general formula (1), A represents at least one element selected from the group consisting of Ba and Sr, and x is a value represented by 0.1 ≤ x ≤ 2.0.)
ATiO<3-x>N
Resumen de: EP4755847A1
Provided is an ammonia decomposition catalyst which exhibits high ammonia decomposition activity even at a low reaction temperature and a low reaction pressure, and which has stable catalytic properties such that it can be repeatedly used in reactions even after being exposed to air or water. A barium nitride of the present invention is represented by the following general formula (1): BaAN2-x (1), wherein in general formula (1), A represents at least one element selected from the group consisting of Si, Fe, Ni, Mo, and Zr, and x represents a value expressed by 0 ≤ x < 2.0.
Resumen de: GB2632328A
Disclosed is a methanation method comprising an electrolyser system, the electrolyser system (20) comprising an electrolyser (10) having at least one electrolyser cell (11), at least one fuel input (14) and at least one offgas output (46), the method further comprising supplying fuel comprising at least water and either or both carbon dioxide and carbon monoxide to the at least one fuel inlet, powering the electrolyser cell (11) with electricity to split water into hydrogen and oxygen, wherein the electrolyser (10) is operated at a temperature at or in excess of 150℃, and methanation occurs to the carbon dioxide and/or carbon monoxide in the electrolyser (10). There may be separate offgas outputs for methane and oxygen, as well as a condensation step for water and a separation step after the reaction. A methanation catalyst may be used, which is preferably nickel-based. Further disclosed is an electrolyser system, a method for generating methane, and a method for operating an electrolyser system.
Resumen de: EP4501433A1
Process of separating hydrogen from an effluent gas produced by an endothermic ammonia cracking reaction, said effluent gas comprising hydrogen and nitrogen, said process comprising a step of pressure swing adsorption separation of the effluent gas, said step comprising separating the effluent gas by pressure swing adsorption according to a pressure cycle, thereby producing a hydrogen product gas and generating off gas, the pressure cycle comprising an off gas generation period of time during which said off gas is generated, said off gas generation period of time comprising :- a fuel off gas generation period of time during which a fuel off gas is generated,- a nitrogen richer off gas generation period of time during which a nitrogen richer off gas is generated, said nitrogen richer off gas having a higher nitrogen content than the fuel off gas, wherein the process comprises :- routing the fuel off gas to a furnace (5) and combustion of said fuel off gas in said furnace (5) to provide heat to the endothermic ammonia cracking reaction,- diverting the nitrogen richer off gas from the furnace (5).
Resumen de: EP4756077A1
0001 Elektrolyseverfahren zur Erzeugung von Wasserstoff mit folgenden Verfahrensschritten: - Anlegen einer Spannung an mindestens eine Elektrode (20; 320), die zumindest teilweise in ein Wasser (5) oder ein Wassergemisch in einem Behälter (10; 210; 310) eingetaucht ist, - wobei sich während des Elektrolyseprozess das Wasser (5) oder das Wassergemisch in seine Bestandteile Wasserstoff und Sauerstoff auftrennen, und sich im Bereich der mindestens einen Elektrode (20; 320) Sauerstoffgas (81) und Wasserstoffgas (86) bilden, - Bewegen der Elektrode (20; 320) durch eine Bewegungseinrichtung (50; 150A, 150B), wodurch die an der mindestens einen Elektrode (20; 320) anhaftenden Sauerstoffgase (81) und/oder Wasserstoffgase (86) abgelöst werden.
Resumen de: CN122169113A
本发明提供一种复合润湿性热释电膜片高频冷热循环原位催化制氢系统及方法，包括第一冷水泵、第二冷水泵、压力腔、振荡射流器阵列、冲击腔、热释电膜片、热释电微柱阵列以及气体出口；热流体与热释电膜片发生热交换；冷水经第一冷水泵驱动，流经第一三通阀后流入压力腔内部，经振荡射流器阵列后形成振荡射流进入冲击腔，并冲击热释电膜片；热释电膜片表面构建具有复合润湿性的热释电微柱阵列，热释电微柱阵列形成热释电反应界面，并在振荡射流与换热器的交替作用下，于热释电反应界面处发生热释电效应产生氢气，氢气经气体出口收集。本发明将低品位余热高效、可控地转化为热释电材料的瞬态温度变化，以提高界面制氢反应的效率。
Resumen de: WO2025087865A1
The present invention relates to a guard bed reactor for silicon removal, a solid oxide electrode system for producing hydrogen comprising a guard bed reactor for silicon removal, a method of operating the system to produce hydrogen and a use of the guard bed reactor for silicon removal for depleting a stream of steam from volatile silica species.
Resumen de: CN122169124A
本发明提供了一种基于海水电解的抗氯型铬钌氧化物催化剂及制备方法和应用，属于电催化材料技术领域，方法包括：将钌金属盐和铬金属盐溶于乙醇溶液中，得到混合溶液；向所述混合溶液中加入柠檬酸溶液混合后烘干，得到烘干粉末；将所述烘干粉末在空气中进行煅烧，得到CrRuOx铬钌氧化物催化剂。本发明制备得到的抗氯型铬钌氧化物催化剂借助铬作为路易斯酸位点吸附OH‑或水分子，既实现了羟基溢出以有效排斥氯离子，抑制海水电解中阳极的竞争性析氯反应，缓解氯离子对催化剂的腐蚀，又能调控界面氢键网络优化反应中间体的吸附，显著提升催化活性。
Resumen de: KR20260085196A
0001a 본 발명은, 청록수소 생산을 위한 탄화수소 열분해 공정과, 암모니아 열분해 공정과, 열분해를 위한 열을 제공하기 위한 연소기 또는 순산소 연소기와, 연료 전지를 통합하여 운영하는 청록수소 연계 작동 기기 및 그 동작 방법에 관한 것이다.
Resumen de: CN122169129A
0001 本发明属于光电化学水分解光电极材料制备技术领域，具体为一种择优取向的Ta<3>N<5>光阳极及其制备方法。此方法利用电子束蒸发系统与高温氮化法，在Nb基底上形成特定取向的Ta<3>N<5>诱导层，并在此基础上实现主体Ta<3>N<5>薄膜的取向延续生长。通过调节诱导层金属材料种类，可以控制Ta<3>N<5>的晶面择优取向，进而实现对Ta<3>N<5>薄膜光电化学水分解性能的调控。该方法具有良好的结构重复性，可拓展应用于不同衬底及其它材料体系的生长。
Resumen de: CN122169137A
0001 本发明涉及一种锰镉硫/晶硅复合光解水光阴极及其制备方法和应用。该方法通过水热法合成具有特定组分比例的锰镉硫纳米颗粒，再通过滴涂工艺，并控制滴涂工艺参数，在具有pn结结构以及表面金字塔陷光微结构的晶硅上，成功构建出锰镉硫/硅异质结光电阴极，其具有优异的光催化活性和光解水效率，且催化稳定性好。
Resumen de: CN122169123A
本发明公开了一种三维贯通多孔Ni4Mo/C合金电极材料及其制备方法，其特征在于，所述电极材料是在泡沫镍金属骨架上原位生长的三维贯通多孔Ni4Mo/C合金电极材料，所述三维贯通多孔Ni4Mo/C合金电极材料是由Ni4Mo/C合金纳米粒子与石墨结构的碳材料复合成多孔纳米片结构，再原位组装组装形成三维贯通多孔结构，利用液体前驱体原位一步还原合金化得到的，首先将泡沫镍进行清洗预处理，干燥后，将NiCl2·6H2O、MoCl2、尿素、六次甲基四胺，在油浴中连续搅拌加热，形成均匀的液体，将一定量的液体均匀地涂在盐酸预处理过的泡沫镍表面，在氮气气氛下进行原位热解反应，得到三维贯通多孔Ni4Mo/C合金电极材料。所制备的三维贯通多孔Ni4Mo/C合金电极材料，在宽pH范围内都具有很好的电解水制氢性能，用于绿色技术中清洁能源制氢技术。
Resumen de: CN122169133A
本发明公开了一种阴离子交换膜析氧反应催化剂及其制备方法。该方法包括：配制含镍盐、铁盐、氟化铵的水/异丙醇二元混合溶液作为溶液A；配制含氢氧化钾、碳酸钾的水/异丙醇二元混合溶液作为溶液B；在常压、25℃及搅拌下将溶液B恒速滴加至溶液A中，熟化后经固液分离、洗涤、干燥，得到NiFe基层状双氢氧化物析氧催化剂。本发明通过水/异丙醇二元溶剂、NH4F调控及KOH/K2CO3复配碱源的协同作用，实现了常压低温下可控共沉淀，所得催化剂形貌疏松、活性位点丰富、电荷传输性能优异。该方法流程简洁、参数易控、放大路径明确，所制催化剂用于阴离子交换膜电解水阳极析氧反应，具有低过电位和高稳定性。
Resumen de: CN122169138A
本专利是关于一种高活性高稳定性的铂镍合金催化剂、制备方法及其在酸性介质中电解水析氢反应的应用，属于催化技术领域。所述催化剂以改性的商业炭黑为载体，铂与镍合金化后负载于上面。采用乙二醇法制备，无需外加还原剂，活性组分高度分散。该催化剂可在强酸介质中直接用于电解水析氢反应制氢，表现出优异的析氢活性与稳定性，在降低铂载量的同时保证了催化剂的性能，同时一定程度提高了催化剂在强酸介质中的抗腐蚀能力。相比传统铂碳催化剂，大幅降低贵金属铂的用量，具备显著的成本优势，适用于工业酸性电解水制氢。
Resumen de: CN122169140A
本发明涉及一种表界面调控的非晶态镍钼磷合金析氢电极及其制备方法和应用。电极包括：导电基底；以及原位生长于所述导电基底上的非晶态镍钼磷合金催化涂层；其中，所述镍钼磷合金催化涂层包括以下摩尔百分比的组分：73.3~84.4mol％的Ni、2.3~21.0 mol％的Mo以及5.4~14.5 mol％的P；所述原位生长是在前驱体溶液中进行，所述前驱体溶液包含镍源、钼源、磷酸源和铵源，所述前驱体溶液的pH值为2~3，所述铵源为氯化铵。解决了现有镍钼基催化剂在高电流密度和波动工况下活性下降与稳定性不足的问题。
Nº publicación: JP2026093716A 09/06/2026
Solicitante:
本田技研工業株式会社
Resumen de: US20260146349A1
A control device, when a water electrolysis system is initiated, controls electrical power source devices in a manner so that a water electrolysis electrical current and a hydrogen compression electrical current increase gradually in coordination. During such gradual increasing, it is detected whether or not flooding has occurred in a hydrogen compression stack, and at a time when it is detected that flooding is occurring, until the flooding is eliminated, a flooding elimination control is carried out in which an increase in the water electrolysis electrical current and the hydrogen compression electrical current is temporarily suspended and the water electrolysis electrical current and the hydrogen compression current are maintained at a constant current value in coordination.
BOPI
Sede Electrónica
