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789
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Última actualización
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Resumen de: EP4790170A1
A control device includes a step of determining a current command value to be applied to an electrolysis stack; and a step of determining a pure water adjustment amount command value for adjusting a pressure or/and a flow rate of water to be supplied to the electrolysis stack based on the current command value, and includes a step A of causing an actually measured value of the pressure or/and the flow rate to reach a second pure water adjustment amount command value (pure water adjustment amount command value w2) from a first pure water adjustment amount command value (pure water adjustment amount command value w1) before an actually measured value of a current applied from a power converter to the electrolysis stack reaches a second current command value (current command value c2) from a first current command value (current command value c1) when the current command value is changed from the first current command value to the second current command value that is a different value and the pure water adjustment amount command value is changed from the first pure water adjustment amount command value to the second pure water adjustment amount command value that is a different value.
Resumen de: EP4534727A1
The present invention relates to a tightening apparatus for selectively opening and closing respective adjacent electrolysis cells in an electrolyser. The tightening apparatus comprises: a movable member moveable in a first direction and a second direction, the first direction being a direction in which the cells are to be closed each other and the second direction being an opposite direction to the first direction; at least one actuator configured to move the movable member selectively in the first and second directions; a pressure plate arranged on the first direction side with respect to the movable member; and a spacer arranged between the pressure plate and the movable member.
Resumen de: EP4534726A1
0001 The present invention relates to a tightening apparatus for selectively opening and closing respective adjacent electrolysis cells in an electrolyser. The tightening apparatus comprises: a movable member moveable in a first direction and a second direction, the first direction being a direction in which the cells are closed each other and the second direction being an opposite direction to the first direction; at least one main actuator configured to move the movable member selectively in the first and second directions; a pressure plate arranged on the first direction side with respect to the movable member; and a sub-actuator configured to move the pressure plate selectively in the first and second directions with respect to the moveable member.
Resumen de: KR20260122570A
본 개시의 일 실시예에 따른 수전해 시스템은 애노드, 캐소드 및 분리막을 포함하는 수전해 스택; 상기 수전해 스택과 기능적으로 연결된 주변장치; 및 상기 수전해 스택 및 주변장치와 기능적으로 연결된 제어부를 포함하고, 상기 주변장치는, 상기 캐소드 출구에 배치되는 제1 기액분리기; 상기 제1 기액분리기 후단에 배치되는 재순환 펌프; 및 상기 재순환 펌프로부터 상기 제1 기액분리기의 응축수를 전달받아 저장하는 공급수 저장 탱크;를 포함할 수 있다. 본 개시의 일 실시예에 따른 수전해 시스템의 운전 방법은, 비상정지 신호를 입수하는 동작; 스택으로의 전력공급을 차단하는 동작; 밸브를 개방하는 동작; 펌프를 작동하는 동작; 펌프 작동을 정지하는 동작; 및 밸브를 폐쇄하는 동작을 포함할 수 있다.
Resumen de: WO2025037092A1
A membrane-electrode assembly for a water electrolyser is provided. The membrane- electrode assembly comprises a polymer electrolyte membrane with a first face and a second face; an anode catalyst layer on the first face of the membrane, the anode catalyst layer comprising an oxygen evolution reaction catalyst; and a porous web of polymer fibres in contact with the anode catalyst layer, the polymer fibres comprising a conductive metal additive.
Resumen de: WO2025012373A1
The invention relates to porous oxidic materials, which contain niobium and/or the heavy homolog thereof, tantalium, of oxidation number +5, and to the use thereof. The invention also relates to iridium-containing (electro-)catalysts, which comprise a porous oxidic group 5 element material, in particular a porous oxidic niobium(V)- and/or tantalium(V)-containing material. The invention further relates to the use of (electro-)catalysts of this type.
Resumen de: GB2703723A
A method of producing hydrogen may comprise, receiving an ammonia fuel source and an oxidised first form of a metal oxide at a first reactor 11, and reacting to produce a second form of the metal oxide. The second form of the metal oxide may be transferred to a second reactor 12 and reacted with a water supply to form hydrogen and a third form of the metal oxide. The third form the metal oxide may be transferred to a third reactor 13 and reacted with a supply of air and/or oxygen to produce the oxidised first form of the metal oxide, which is then transferred to the first reactor. The metal oxide may be circulated through the three reactors in a flow loop. The metal oxide is preferably iron oxide, where the first form is Fe2O3, the second form is Fe/Fex-σOy-σ, and the third form is Fe3O4. Figure 1
Resumen de: EP4790015A1
0001 Die vorliegende Erfindung betrifft ein Verfahren zur Gewinnung von atomarem Wasserstoff aus einem Rohgas. Weiterhin wird atomarer Wasserstoff, erhältlich gemäß dem erfindungsgemäßen Verfahren bereitgestellt. Schließlich ist die vorliegende Erfindung auf ein Verfahren zur Herstellung von elementarem Metall aus einem Metalloxid mit Hilfe von atomarem Wasserstoff gerichtet.
Resumen de: EP4790030A1
Provided is a zero-carbon glass furnace process, a system required for the process includes a photovoltaic power generation unit, an air separation unit, a water electrolysis hydrogen production unit, a mixer, a methanation unit, a first waste heat boiler, a reforming unit, a glass furnace, a second waste heat boiler, and a dedusting and desulfurization unit. The present disclosure adopts green electricity to produce green oxygen, green nitrogen and green hydrogen; flue gas of the glass furnace is circularly enriched into a high concentration of carbon dioxide (95.0v% or higher), which is methanized with green hydrogen to produce methane, and the methane is reformed with carbon dioxide and water vapor to produce carbon monoxide and hydrogen; the carbon monoxide and hydrogen are used as fuel of the glass furnace, the oxygen and carbon dioxide are mixed into carbon-based enriched oxygen as a combustion aid of the glass furnace, and the excess carbon dioxide is sold externally, achieving the purpose of green, energy-saving, almost nitrogen oxide-free and zero carbon.
Resumen de: EP4570745A1
The present disclosure relates to apparatuses for producing hydrogen, and to top-down methods for producing nanoparticles. Different mechanical mills may be used to break down micron sized soil or sand particles and to react the particles with water, particularly sea water.
Resumen de: CN122544552A
本发明公开了一种用于质子膜水电解制氢的热交换系统，包括冷源供给设备；氢气分离系统；氧气分离系统；冷源供给设备通过管道同时为氢气分离系统和氧气分离系统提供冷源介质，且冷源介质分别经过氢气分离系统和氧气分离系统后回流至冷源供给设备；氢气输送管，氢气输送管的一端与电解槽氢气侧连通，另一端连通氢气分离系统；氧气输送管，氧气输送管的一端与电解槽氧气侧连通，另一端与氧气分离系统连通。本申请的冷源供给设备可同时为氢气分离系统和氧气分离系统提供冷源，流量调控系统的设置使得两个分离过程可以共用一套冷源系统，既能实现系统的热力学平衡，同时简化了系统整体的结构布局，减少了设备投入成本，又降低了系统运行的能耗。
Resumen de: CN122543092A
0001 本发明公开了一种用于酸性析氧反应的钌基核壳催化剂及其制备方法与应用。所述制备方法包括：使包含六亚甲基四胺、聚氧丙烯聚氧乙烯共聚物、金属源、水和乙二醇的混合反应体系进行水热反应，制得金属有机物；其中，所述金属源包括钌盐及钴盐；以及，对所述金属有机物进行煅烧处理，制得用于酸性析氧反应的钌基核壳催化剂。本发明提供的催化剂能够维持高的催化活性和优异稳定性，能够实现酸性环境下的电催化析氧反应。
Resumen de: CN122543095A
0001 本发明涉及光电化学领域，公开了一种钨掺杂钒酸铋单晶电极及其制备方法，其中，单晶电极包括：绝缘支撑衬底；设置在绝缘支撑衬底之上指定区域的导电层；贴合在导电层之上的钨掺杂钒酸铋单晶层；钨掺杂钒酸铋单晶层的表面粗糙度Sa为0.5 nm~5.0 nm，厚度为0.2mm~1mm；钨掺杂钒酸铋单晶层的周边使用绝缘防水材料进行封装，并且绝缘防水材料覆盖所述导电层的外露区域。本发明可以提高单晶电极的化学稳定性和光分解水能力。
Resumen de: CN122543077A
0001 本发明涉及催化电极材料制备技术领域，具体是一种镍钽合金催化电极及其制备方法与应用，首先将镍源、钽源粉末与铝粉混合均匀，并在模具中压制成型，将成型后的坯体置于气氛炉或真空炉中进行烧结处理，烧结温度400~800℃，保温时间1~4 h，冷却后得到镍钽合金催化电极。本发明通过高温烧结工艺在镍骨架上形成Ni<3>Ta合金催化相，制备出具有三维多孔结构的镍钽合金催化电极，Ni<3>Ta合金催化相优化了氢原子吸附与转化动力学，提升了电极催化活性。本发明无需复杂设备或贵金属负载，适合规模化生产，制备的镍钽合金催化电极兼具优异的催化活性、出色的渗透性能和良好的大电流稳定性，有望攻克现有碱水电解技术中电极材料催化活性与耐久性难以平衡的技术瓶颈。
Resumen de: CN122543100A
本发明公开了一种镍铁基催化电极及其制备方法和应用，属于析氧催化电极技术领域。本发明将泡沫镍采用HCl溶液超声清洗、洗涤、干燥得到预处理泡沫镍；将预处理泡沫镍浸泡于FeCl3溶液中，然后取出洗涤、干燥得到NiFe LDH催化电极；将NiFe LDH催化电极浸泡于NaBH4溶液中，然后取出洗涤、干燥得到NiFe LDH@NiFeB复合催化电极。本发明通过浸渍腐蚀结合还原在电极表面得到NiFe基两相催化电极，LDH具有较大的比表面积，活性位点多，能加快活性物质的吸附与转化，而原位还原得到的NiFe B合金具有较高的电导率，能降低界面电阻，加快电子传输，提高电极导电性，优化电极析氧性能；同时由于NiFeB合金与NiFe LDH间存在的费米能级差异，促进内建电场的产生，加快电子定向迁移，助力提升析氧性能。
Resumen de: CN122543082A
本发明属于海水电解制氢技术领域，具体涉及一种海水电解析氢电极及其制备方法与应用。所述电极包括基底和包覆在基底表面的催化剂层；所述催化剂层由硼氧化物和氮化钼酸钴组成，所述硼氧化物负载在氮化钼酸钴表面，所述氮化钼酸钴中，氮掺杂在钼酸钴的晶格内。本发明电极N掺杂进了CoMoO4的晶格之中，B以氧化物的形式均匀负载于CoMoN的表面，二者协同调控Co的电子结构使其位于一个有助于H2O分子解离的最优态。同时，B与N通过捕获‑转移机制实现了对界面pH的动态调控，使得阴极催化HER的过程中局部的pH始终稳定在9以下，抑制了钙镁氢氧化物的沉积。
Resumen de: CN122543105A
0001 本发明公开了一种水电解复合催化剂及其制备方法和应用，属于电解水制氢及电催化技术领域。本发明将磺酸基团的Grotthuss质子穿梭功能引入氧化钛负载金属铱纳米颗粒催化剂体系，从传质动力学、结构稳定性和本征活性三个维度同步提升了催化剂的综合性能，解决了传统氧化物载体催化剂在质子传导和局部酸性积累方面的技术瓶颈。本发明为低铱、高效、长寿命PEM电解水阳极催化剂的设计提供了新思路，对于推动质子交换膜电解水制氢技术的规模化应用、降低绿氢制备成本、助力实现碳中和目标具有重要的科学意义和工程应用价值。
Resumen de: CN122553097A
本发明公开了一种面向波动直流输入的模块化海水电解制氢系统，涉及新能源技术领域，具体为一种面向波动直流输入的模块化海水电解制氢系统，该系统包括风电接入与整流模块、直流母线分配网络、模块化电解反应单元阵列、海水预处理与供给子系统、气液分离与纯化模块、热能回收与管理模块及智能监测与控制中枢。通过各模块协同工作，实现利用海上风电直接电解海水制氢。系统采用模块化设计，便于维护与扩展，并集成防腐防污涂层施加模块以延长设备寿命。智能监测与控制中枢可动态调节工作状态，确保系统高效稳定运行，有效解决了海上风电消纳与绿氢制备问题。
Resumen de: CN122543111A
本发明涉及电解工艺控制技术领域，尤其涉及一种电解水制氢纯化系统脱氧器的防超温控制方法及系统；该方法包括：获取电解槽运行状态监测数据与脱氧器入口的氧含量监测数据。依据预置的扰动参数阈值集合对电解槽运行状态监测数据执行逻辑判断计算，得到前馈控制信号。依据预置的第一氧含量阈值对氧含量监测数据执行偏差计算与反馈控制算法计算，得到与预设阈值相关的反馈控制信号。根据前馈控制信号与反馈控制信号，执行控制逻辑运算，生成控制指令。通过这样的方式，解决了现有脱氧器温度控制技术存在的响应滞后的技术问题，提升了碱性电解水制氢系统在复杂运行工况下的控制品质、设备安全性与运行可靠性。
Resumen de: CN122543106A
0001 本发明属于离子交换膜技术领域，公开了一种应用在高浓度碱性电解水所用的亲水微孔聚合物膜及其制备方法。本发明通过合理调节主链中B<1>和螺环双茚部分的比例，提高亲水基团密度来增加微孔的亲水性，制备系列离子交换膜材料，可为氢氧根离子在膜内传导提供快速传递通道。本发明提供的刚性、高自由体积阴离子交换膜具有高电导率、耐溶胀，耐碱稳定性的特点，同时表现出十分优异的单电池性能，因此在碱性电解池领域具有广阔的应用前景。
Resumen de: WO2025154484A1
The purpose of the present invention is to improve the safety of a hydrogen production plant. This hydrogen production plant (1) comprises: a solid oxide electrolysis cell (SOEC) (10) which produces a hydrogen-containing gas; and a discharge stack (30) into which the hydrogen-containing gas produced by the SOEC (10) is introduced and which discharges the introduced hydrogen-containing gas to air. The discharge stack (30) has a spray unit (32) which supplies, to the hydrogen-containing gas introduced therein, cooling water for cooling the hydrogen-containing gas.
Resumen de: KR20230148522A
The present invention relates to a polymer electrolyte water electrolysis apparatus, comprising: an ion exchange membrane through which ions can move; a positive electrode in which one side is in contact with one side of the ion exchange membrane and an oxygen generating catalyst is supported; a negative electrode in which one side is in contact with the other side of the ion exchange membrane and a hydrogen generating catalyst is supported; a positive electrode flow path connected to the other side of the positive electrode; a negative electrode flow path connected to the other side of the negative electrode; and a thermal flow path part disposed on any one side of the positive electrode flow path such that thermal fluid can circulate, wherein the temperature of the water electrolysis apparatus is maintained at a temperature of 80 ℃ or more and 90 ℃ or less, thereby improving the rate of electrolysis reaction and reducing the amount of electricity used in a water electrolysis process.
Resumen de: CN122540801A
0001 本发明公开了一种分步光解水制氢制氧的方法，包括：将氧化剂和光催化剂分散在水与第一有机溶剂组成的混合溶剂中，得到水氧化产氧反应体系，进行可见光照射，水发生氧化反应产生氧气，同时以水为质子源，使氧化剂还原为富氢的还原剂，对还原剂和光催化剂进行分离回收，并分散在第二有机溶剂中，得到产氢反应体系，进行可见光照射，使富氢的还原剂释放氢以产生氢气，同时还原剂被氧化为氧化剂。本发明通过构建稳定、可再生且易分离回收的有机氧化还原介质的可逆氧化还原循环，分别耦合水氧化产氧反应与完全来源于水的质子还原产氢反应，使产氧反应与产氢反应在不同反应阶段分步进行，从而实现产氧与产氢过程的时空解耦及高量子效率分步进行。
Resumen de: CN122543112A
0001 本发明涉及电解水制氢技术领域，公开了一种碱性电解槽电极性能快速检测装置及方法，包括：电解槽，电解槽内通过双极板分隔形成多个串联的电解小室，电解小室内设置有阴极电极和阳极电极，阴极电极和阳极电极与恒流稳压电源电连接；多路电压采集模块，用于采集电解小室的单室电压；碱液循环模块，与电解槽以及气液分离器连通，碱液循环模块用于将碱性电解液、氧气与氢气的混合物输送至气液分离器，气液分离器将氢气和氧气分离后，碱液循环模块将碱性电解液输送至电解槽形成回路。本发明将多个电解小室串联在同一电解槽内，使各个待测电极能够在相同电流、温度、碱性电解液循环和液位条件下进行对比检测。
Nº publicación: CN122543086A 11/08/2026
Solicitante:
东南大学
Resumen de: CN122543086A
0001 本发明提供一种Ru@Cl‑C催化剂的制备及应用，首先以杨木和PVC为原料，混合后共热解处理，得到氯掺杂碳前驱体；而后采用碱进行活化处理，进一步优化碳载体的比表面积、孔道分布及表面活性位点，经洗涤、干燥后得到氯掺杂活性炭载体；最后将钌源前驱体与活化后的Cl‑C载体混合，通过水热煅烧工艺实现钌活性组分的均匀负载，经后续后处理得到Ru@Cl‑C催化剂；将制备得到的Ru@Cl‑C催化剂应用于电解水制氢反应中，可充分发挥Cl掺杂的电子调控作用与Ru活性组分的催化性能，显著提升反应效率。本发明制备工艺设计合理、绿色环保，为高效电解水制氢催化剂的制备提供切实可行的技术方案。
BOPI
Sede Electrónica
