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水電解槽用の膜電極接合体

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.

MULTILAYER RESIN PIPE, WATER ELECTROLYSIS SYSTEM, AND HYDROGEN TRANSFER METHOD

Resumen de: EP4790295A1

0001 Provided is a multilayer resin pipe suitable for use in a water electrolysis system operating at high voltage, a water electrolysis system including the multilayer resin pipe, and a method of transporting hydrogen using the multilayer resin pipe. The multilayer resin pipe includes an electrically insulating main pipe, an electrically insulating pressure-resistant layer covering an outer surface of the main pipe, an electrically insulating gas barrier layer covering an inner surface of the main pipe, and an electrically insulating elution-suppressing layer covering an inner surface of the gas barrier layer.

多孔質酸化物材料及び電解触媒

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.

Method and apparatus for producing hydrogen from an ammonia feedstock

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

TIGHTENING APPARATUS, ELECTROLYSER, METHOD OF CLOSING/OPENING ADJACENT ELECTROLYSIS CELLS, METHOD OF RETROACTIVELY APPLYING TIGHTENING APPARATUS

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.

TIGHTENING APPARATUS, ELECTROLYSER, METHOD OF CLOSING/OPENING ADJACENT ELECTROLYSIS CELLS, METHOD OF RETROACTIVELY APPLYING TIGHTENING APPARATUS

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.

PROCESS FOR THE PRODUCTION OF ATOMIC HYDROGEN

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.

METHOD FOR CONTROLLING WATER ELECTROLYSIS SYSTEM, AND WATER ELECTROLYSIS SYSTEM

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.

用于氢气/氧气生产中水分解的零间隙无膜电解槽及相关方法

Resumen de: WO2025080121A2

The present invention discloses an electrolyser for water splitting in hydrogen/oxygen production and methods thereof. The electrolyser comprises a first electrode plate (100) coated with a first catalyst comprising a first ion transfer opening (101) formed therethrough along a first lateral axis of the first electrode plate (100); a second electrode plate (200) coated with a second catalyst comprising a second ion transfer opening (201) formed therethrough along a second lateral axis of the second electrode plate (200); and an electrically insulative adhesive layer (300) configured for securing together the first electrode plate (100) and the second electrode plate (200) in a face-to-face manner or a back-to-face manner, forming separate compartments each for a hydrogen gas and an oxygen gas resulting from the water splitting that provide immunity against any mixing of the hydrogen gas and the oxygen gas at any level of an electrical power supply.

수소 제조 장치 및 방법

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.

一种碱性电解槽电极性能快速检测装置及方法

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。

一种CuCoxGa1-xO2固溶体催化剂及其制备方法和应用

Resumen de: CN122538094A

0001 本发明公开了一种CuCoGa<1‑x>O<2>固溶体催化剂及其制备方法和应用，属于金属氧化物领域，所述从催化剂为连续固溶体，x为钴元素的原子分数，0

一种用于电解海水制氢的Co-Te-Cr催化材料

Resumen de: CN122543103A

本发明公开了一种用于电解海水制氢的Co‑Te‑Cr催化材料，其采用如下方法制备得到，具体为：以导电基体作为阴极、以石墨片作为阳极，采用恒电流电沉积法在电镀水溶液中进行电沉积，电沉积后，得到Co‑Te‑Cr催化材料；所述Co‑Te‑Cr催化材料包括导电基体以及电沉积在导电基体表面的Co‑Te‑Cr活性层；所述Co‑Te‑Cr活性层由Co‑Te‑Cr纳米片堆积而成。本发明方法制得的Co‑Te‑Cr化材料应用在尿素阳极氧化反应过程中具有良好的催化活性，能够大幅降低尿素阳极氧化反应的能垒，从而实现低能耗海水电解制氢。

一种Ru@Cl-C催化剂的制备及应用

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。

一种用于电解水析氧的Bi基异质结催化剂及其制备方法

Resumen de: CN122543096A

0001 本发明涉及催化剂制备技术领域，具体涉及一种用于电解水析氧的Bi基异质结催化剂及其制备方法。一种用于电解水析氧的Bi基异质结催化剂的制备方法，包括：Bi‑MOF前驱体的制备、Bi基异质结催化剂的制备。本发明以MOF为前驱体，利用硝酸铋、硫脲及2‑甲基咪唑在甲醇溶液中进行一步法合成，获得高比表面积和均匀掺杂的Bi<2>S<3>前驱体。随后，通过Te粉碲化工艺，原位构建Bi<2>S<3>/Bi<2>Te<3>多相异质结构催化剂。

一种基于阴阳离子修饰的双功能异质结电解水催化剂及其制备和应用

Resumen de: CN122543102A

本发明属于电催化材料与电解水技术领域，具体涉及一种基于阴阳离子修饰的双功能异质结电解水催化剂及其制备和应用。以镍盐、钴盐、氟化铵和尿素为原料，预处理干净的泡沫镍为基底，在聚四氟乙烯内衬不锈钢反应釜中，水热反应获得前驱体NiCo‑LDH@NF；接着以尿素为氮源，前驱体NiCo‑LDH@NF置于管式炉下游，氮化处理获得异质结NiCoO/CoN@NF；然后浸渍到0.1~10mmol的硝酸铬溶液并保持1~10min，自然干燥后得到阴阳离子修饰的异质结催化剂NiCoO/CoN@NF‑CrNO，其双功能催化活性显著提升，并且稳定性优异，能够良好的应用在电解槽阴阳极或AEM器件中。

一种形貌可控的铁镍氧化物催化电极及其制备方法

Resumen de: CN122542992A

本发明涉及铁镍催化电极制备技术领域，本发明公开了一种形貌可控的铁镍氧化物催化电极及其制备方法，通过磁控溅射在镍基体上掺杂元素，随后通过碱液浸泡去除掺杂元素，在镍基体上制备得到铁镍氧化物纳米片；纳米片的形貌可控，通过控制掺杂元素的磁控溅射电流密度，即可控制铁镍氧化物纳米片的尺寸大小，进而调控制备得到的铁镍氧化物电极的比表面积和电学性能；使得铁镍氧化物电极的性能能够得以优化提升。本发明的制备方法制备得到的铁镍氧化物电极表面具有厚度为50nm‑300nm的铁镍氧化物纳米层，在100mA/cm2电流密度下的过电位仅为292mV，且运行24h不发生明显衰减，具有优异而稳定的电性能；适宜推广应用。

一种单原子稀土-钌共掺杂氮化碳纳米管、制备方法及其在光催化产氢中的应用

Resumen de: CN122538200A

本发明公开了一种单原子稀土‑钌共掺杂氮化碳纳米管、制备方法及其在光催化产氢中的应用，该稀土‑钌共掺杂氮化碳纳米管通过先以三聚氰胺为前驱体，经水热反应、冷冻干燥及高温煅烧制得氮化碳纳米管，再经稀土掺杂与钌单原子负载而制成。该材料以七嗪环为构筑单元形成层状堆叠结构，具有三维纳米管形貌，稀土与钌均以单原子形态均匀分布于层间及表面。稀土掺杂可调控能带结构、抑制光生载流子复合，钌单原子提供高效析氢活性中心，二者构建电子结构调控与位点催化协同体系。作为催化剂兼具优异光催化产氢性能与重复循环利用性能。本发明制备工艺简单温和、可控性及重复性好，适配多种稀土元素，易于规模化制备，可广泛用于光催化分解水产氢领域。

一种稀土掺杂IrOx电催化剂及其制备方法和应用

Resumen de: CN122543094A

本申请涉及电催化剂技术领域，公开了一种稀土掺杂IrOx电催化剂及其制备方法和应用。所述稀土掺杂IrOx电催化剂，其为具有三维多孔结构的固溶体氧化物MaIrbOx；其中，M为镧系稀土金属；a为M的摩尔数，b为Ir的摩尔数，且a:b=(0~0.7):(0.3~1)。本申请基于无机盐硬模板法，通过将多种金属前驱体均匀包覆在无机盐晶粒表面，经退火形成均匀的氧化物，进而得到具有三维分级多孔的形貌的电催化剂；本申请的稀土‑铱固溶体氧化物电催化剂呈三维多孔结构，具有三维空间传质优势和高比表面积的结构特点，赋予其高电催化活性；引入的合金化效应、无定形结构及丰富的缺陷位点赋予材料极高的电催化活性，使得电催化分解水产氧的性能显著提高。

一种基于Fe2O3的析氢催化剂的制备方法

Resumen de: CN122543097A

本发明公开了一种基于Fe2O3的析氢催化剂的制备方法。包括以下步骤：按照质量比为1：1~5分别称取LFPO和Glc·H2O，将二者置于玛瑙研钵中研磨5~20 min，形成一混合物，随后将得到的混合物置于马弗炉中，在空气氛围中于500 ℃~900℃下煅烧0.5~4 h，即得到一种含Li3Fe2(PO4)3、Fe2O3和C的HER析氢催化剂。I‑t 曲线测试表明，在测试时间达到10小时时，所制备的催化剂的HER催化性能明显高于商业铂碳的性能，这说明，这种不含贵金属的催化剂具有优良的析氢性能。本发明制备工艺简单，成本低廉，适合规模化商业生产。

一种水电解复合催化剂及其制备方法和应用

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。

一种固体产氢颗粒及其在植物抗旱中的应用方法

Resumen de: CN122540802A

0001 本发明公开了一种固体产氢颗粒及其在植物抗旱中的应用方法，属于农业抗旱技术领域；该固体产氢颗粒由产氢核芯和速溶控释包膜层组成，产氢核芯含供氢剂、促渗分散剂、粘结剂和产氢速率调节剂，包膜层含聚乙烯醇、聚乙二醇、海藻酸钠和叶面亲和改性剂；应用时将颗粒按比例溶于灌溉水中，搅拌即形成高浓度富氢水喷施液，立即喷施于植物叶片；本发明的颗粒专为叶面喷施设计，实现即溶即用，喷施液具有良好的叶面铺展和滞留性能，氢气叶片吸收率高，抗旱效果显著优于传统富氢水喷施和固体产氢材料埋土施用方式，操作简便，易于大面积推广。

钨掺杂钒酸铋单晶电极及其制备方法

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。

一种IrRu/TiON酸性析氧反应电催化剂的制备方法和应用

Resumen de: CN122543093A

本发明涉及电解水领域，公开了一种IrRu/TiON酸性析氧反应电催化剂的制备方法和应用。本发明IrRu/TiON酸性析氧反应电催化剂的制备方法包括：1）TiON多孔纳米带的制备：TiO2、NaOH和表面活性剂经水热反应制得钛酸钠纳米带；将钛酸钠纳米带分散于酸溶液中经离子交换反应得到氢钛酸纳米带；将氢钛酸纳米带置于氮气气氛中氮化，得到TiON多孔纳米带；2）IrRu/TiON酸性析氧反应电催化剂的制备：将Ir前驱体和Ru前驱体分散于多元醇中，加入TiON多孔纳米带，经还原反应，得到IrRu/TiON酸性析氧反应电催化剂。本发明通过优化制备方法制得了得到催化活性更好、稳定性更好的IrRu/TiON酸性析氧反应电催化剂，可将其应用于质子交换膜水电解中。

一种基于In掺杂诱导各向异性晶格畸变的ZnO基压电催化材料及其制备方法与应用

Nº publicación: CN122538098A 11/08/2026

Solicitante:

中国计量大学

Resumen de: CN122538098A

0001 本发明公开了一种基于In掺杂诱导各向异性晶格畸变的ZnO基压电催化材料及其制备方法与应用，涉及压电催化与功能氧化物材料技术领域。本发明通过适量In掺杂提高ZnO的压电催化性能。具体地，In<3+>取代Zn<2+>进入ZnO晶格形成固溶体，由于In<3+>离子半径大于Zn<2+>，引起晶格畸变；该畸变在晶体内部形成局域应变场，并在c轴方向表现出各向异性增强；在机械振动作用下，该结构更易产生较高的压电极化电势；增强的压电势促进电子‑空穴对分离并抑制复合；同时，In掺杂提供施主能级，提高材料导电性；二者协同作用显著提升材料压电催化效率。