Alerta

A PURE HYDROGEN GAS PRODUCTION SYSTEM AND METHOD

Resumen de: WO2025183649A1

The invention relates to a pure hydrogen gas production system (A) for use in hydrogen production technologies, including applications such as energy storage, fuel cells, and industrial chemical processes. The system (A) is characterized by including at least one top cover (10) that encloses the upper portion of the system and protects its internal components from external factors, and at least one bottom cover (20) that encloses the lower portion of the system, ensuring the stable and secure positioning of the electrolysis cell. It also features a water inlet (30) that allows the introduction of water containing potassium hydroxide into the system (A), at least one anode (60) functioning as the positive electrode, and at least one cathode (70) functioning as the negative electrode during the electrolysis process. Conductive plates (100) are included to ensure efficient transmission of electrical current to the electrolysis cell, along with at least one sealing element (101) positioned between the conductive plates (100) to ensure the liquid- tightness of the electrolysis cell. Furthermore, an anion exchange membrane (90) with high selectivity and permeability is positioned within the void (102) of the conductive plates (100). This membrane purifies the HHO gas generated by the electric current passing between the anode (60) and the cathode (70) during electrolysis, separating water molecules and extracting pure hydrogen gas.

CATALYST-LAYER-EQUIPPED ELECTROLYTE MEMBRANE, WATER ELECTROLYSIS CELL, AND WATER ELECTROLYSIS CELL STACK

Resumen de: WO2025183215A1

The present invention provides a catalyst-layer-equipped electrolyte membrane and an application of the same, said catalyst-layer-equipped electrolyte membrane comprising: an anode catalyst layer containing an ionomer and an anode catalyst component that is composed of iridium-containing manganese dioxide, the molar ratio of iridium to manganese in the anode catalyst component being 0.011-0.182, and the logarithm log(amount of ionomer/amount of anode catalyst component) of the ratio of the amount of the ionomer to the amount of the anode catalyst component being −1.40 to −0.46; a proton exchange membrane; and a cathode catalyst layer.

LAMINATE, MEMBRANE ELECTRODE ASSEMBLY, WATER ELECTROLYSIS DEVICE, AND METHOD FOR PRODUCING LAMINATE

Resumen de: WO2025183169A1

A laminate according to the present invention comprises a porous metallic body on an electrolyte membrane. Fine metal particles are included at least in pores and/or in the electrolyte membrane-side surface of the porous metallic body. The average pore size of the porous metallic body is preferably 0.5-100 μm. The average particle size of the fine metal particles is preferably 5-200 nm. The thickness of the porous metallic body is preferably 1-500 μm. In addition, a fine metal particle layer is preferably provided between the electrolyte membrane and the porous metallic body. The porous metallic body is preferably a metal foam or a metal fiber mat.

ELECTROLYSER SYSTEM AND METHOD OF OPERATION OF ELECTROLYSER SYSTEM

Resumen de: WO2025181491A1

An electrolyser system comprising at least one electrolyser cell comprising a first outlet for exhaust of off-gas from the first fluid volume at a relatively low pressure, a steam supply configured to supply steam at a relatively high pressure, means for mixing two fluids, a first heat exchanger; and a fuel supply. The means for mixing is configured to exhaust, at an intermediate pressure, an intermediate fluid comprising a mixture of steam from the supply and off-gas from the first fluid volume, and the system is configured to route said intermediate fluid to a first path of the first heat exchanger. The first heat exchanger is configured to transfer heat from the first path for the intermediate fluid to a second path for fuel from the fuel supply to separate water from the first product of the electrolyser reaction by condensing liquid water out of the intermediate fluid. The system is configured to route the first product of the electrolyser reaction out of the system at the intermediate pressure, and to route fuel from the second path of the first heat exchanger to a first inlet of the at least one electrolyser cell.

MULTILAYER ION-EXCHANGE MEMBRANE FOR ELECTROLYSIS APPLICATIONS

Resumen de: WO2024137217A1

A new multilayer ion-exchange membrane comprising an ion-exchange membrane layer, a catalyst layer coated on a first surface of the ion exchange membrane, a first polyelectrolyte multilayer coated on the catalyst layer, and optionally a second polyelectrolyte multilayer coated on a second surface of the ion-exchange membrane for electrolysis applications has been developed.

WATER ELECTROLYSIS SYSTEM

Resumen de: EP4610400A1

A serially connected stack group is configured by serially connecting a plurality of water electrolysis stacks and at least one overcurrent interruption means, a series-parallel stack unit is configured by parallelly connecting at least three serially connected stack groups, and a water electrolysis stack group configured by serially connecting a plurality of the series-parallel stack units, is connected to a DC power supply.

A system for producing ethanol and methane/methanol

Resumen de: GB2700064A

A system comprises an anaerobic digester 110 configured to process carbohydrate to produce carbon dioxide gas 112 and a digestate 114, wherein the digestate comprises a mixture of ethanol and water; a separator 120, such as a centrifuge, configured to separate the mixture of ethanol and water from the digestate; a distillation apparatus 130 configured to distil and separate the ethanol and the water; an electrolyser 140 configured to electrolyse the distilled water in order to produce hydrogen 142 and oxygen; and a reactor 150 configured to convert the carbon dioxide gas and hydrogen to produce methane or methanol. A solid residue is formed when the mixture of ethanol and water is removed from the digestate, wherein a furnace (180, Fig. 3) can be arranged to receive and burn the solid residue to produce carbon dioxide gas, which can then be provided to the reactor. The reactor may be a hydrogenator. The distillation apparatus may comprise a heat pump. Figure 1

IN-VEHICLE HYDROGEN GENERATION AND STORAGE SYSTEM FOR HYDROGEN (FUEL CELL ELECTRIC VEHICLE) POWERED TRANSPORT VEHICLES

Resumen de: EP4610397A1

The in-vehicle hydrogen generation unit represents a hydrogen production system designed specifically for Fuel Cell Electric Vehicles (FCEVs), marking a significant leap in sustainable transportation. During the electrolysis process, the byproduct oxygen is emitted into the atmosphere. Furthermore, the byproduct water generated during power generation using hydrogen is efficiently recycled back into the electrolysis system, creating a closed-loop and resource-efficient cycle. Notably, the electrolysis unit incorporates an integrated cooling system to maintain optimal operating temperatures during the electrolysis reaction.

水の酸化触媒

Resumen de: JP2025128597A

【課題】中性領域の水溶液中で安定且つ高い酸化触媒活性を示す水の酸化触媒を提供する。【解決手段】本実施形態に係る水の酸化触媒は、Ｆｅ－Ｎｉ系触媒を含み、前記Ｆｅ－Ｎｉ系触媒は、主成分であるＮｉ（ＯＨ）２と、Ｆｅ元素と、アルカリ金属元素及びアルカリ土類金属元素のうちの少なくともいずれか一方の源とを、を含むことを特徴とする。【選択図】なし

SOLID OXIDE ELECTROLYZER WITH STACK MODULE AND METHOD OF EXCHANGING STACK MODULE OF SOLID OXIDE ELECTROLYZER

Resumen de: CN120202324A

The invention relates to a stack module having at least one solid oxide electrolysis stack comprising a plurality of stacked solid oxide electrolysis cells, in which the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, at least one solid oxide electrolysis stack is encapsulated in a metal container, with two gas inlet connections and two gas outlet connections connected to the metal container. The invention further relates to a solid oxide electrolyzer having at least one stacked module and to a method for replacing a stacked module of a solid oxide electrolyzer.

STACK MODULE, SOLID OXIDE ELECTROLYZER WITH STACK MODULE AND METHOD OF EXCHANGING STACK MODULE OF SOLID OXIDE ELECTROLYZER

Resumen de: CN120202324A

The invention relates to a stack module having at least one solid oxide electrolysis stack comprising a plurality of stacked solid oxide electrolysis cells, in which the stack module comprises two gas inlet connections and two gas outlet connections. According to the invention, at least one solid oxide electrolysis stack is encapsulated in a metal container, with two gas inlet connections and two gas outlet connections connected to the metal container. The invention further relates to a solid oxide electrolyzer having at least one stacked module and to a method for replacing a stacked module of a solid oxide electrolyzer.

Brown gas generation device to support combustion in industrial burners for electrolytic cell and water tank

Resumen de: KR20250131413A

본 발명은 브라운가스 생성장치에 관한 것으로, 본 발명의 브라운가스 생성장치용 전해조와 물저장조 결합구조는 전원을 통해 물에서 수소 및 산소를 전기분해하는 전해조와,상기 전해조의 상부에 설치되며, 상기 전해조로 물을 공급하는 물저장조와, 상기 전해조에서 생성되는 HHO가스를 상기 물저장조에 의해 탈기 작용할 수 있도록 상기 전해조의 상단 부분과 상기 물저장조의 하단을 우회 연결하는 탈기라인과, 상기 전해조는 원통 형상으로 가로 배치되는 하우징과, 상기 하우징내에 양극판과 음극판이 교차하여 반복적으로 배열하되 양극판과 음극판은 서로 대응하여 180°에 위치되는 전극판과, 상기 전극판 각각의 음극판끼리 30°간격을 따라 회전 배열되고, 각각의 양극판끼리 30°간격을 따라 회전 배열되어 360°회전 반경을 따라 연속적으로 배열하여 전극끼리 전원을 제공하는 전극브라켓으로 구성되며, 기존 브라운가스에 비해 연소 반응 과정을 가속화하여 완전 연소를 유도할 수 있으며, LPG, 프로판, 아세틸렌 연료에 비해 전기세와 수도세 비용을 20% 이상 절감할 수 있어 경제적이고 실용적이므로 에너지 절약 효율을 극대화할 수 있고, 과열 방지 및 단속 스위치를 포함하는 안전 장치를 통해 장비 및 사용자의 안전을

電極触媒層、及び、膜電極接合体

Resumen de: JP2025128540A

【課題】形成時のクラックを少なくすることができ、さらに、水電解の高効率化・高耐久化が可能な電極触媒層を提供する。【解決手段】イオン交換膜型水電解用の電極触媒層は、触媒、導電性粒状物質、高分子電解質、及び、繊維状物質を有する。電極触媒層の厚み方向に沿った断面において、電極触媒層の厚みを３等分して得られる３つの領域を、電極触媒層の一方の表面側から順に領域１、領域２、領域３とし、領域１、領域２、領域３の空隙率をそれぞれ、Ｖ１、Ｖ２、Ｖ３とした場合に、Ｖ１＜Ｖ２＜Ｖ３を満たす。【選択図】図２

CONTROLLING AN ELECTROLYZING PLANT FOR PRODUCING HYDROGEN AND OXYGEN

Resumen de: EP4611202A1

The invention relates to a method for controlling an electrolyzing plant (10), comprising:- providing electric energy from an electric power network (32) with a network AC voltage;- rectifying the network AC voltage by a rectifying device (50, 52, 54, 56, 58, 60, 62, 64);- supplying water to the electrolyzing device (34, 36);- providing an AC filter current flow by an active filter device (100), wherein the AC filter current flow is controlled such that it conforms to network regulations of the electric power network;- measuring the network AC voltage by using a voltage sensor (128) which provides a respective voltage sensor signal;- comparing the voltage sensor signal with a first reference voltage value providing a comparing result;- depending on the comparing result, causing the active filter device (100) to emit electric energy to or to receive electric energy from the electric power network.

一种微纳多孔金属催化材料及其制备方法和应用

Resumen de: CN120575219A

本发明提供一种微纳多孔金属催化材料及其制备方法和应用，微纳多孔金属催化材料为一体化的三维多级孔道结构，多级孔道结构为前驱体合金的至少两个不同的相中脱合金去除至少一种活性组分后形成。多级孔道结构包括第一级孔道和第二级孔道，第一级孔道为金属韧带和孔隙组成的网络结构，第一级孔道的平均孔径在纳米级别；第二级孔道的平均孔径在微米级别；第一级孔道和第二级孔道相连通。该微纳多孔金属催化材料兼具微米级传质通道和纳米级催化网络结构，显著提高了比表面积、活性位点密度和传质效率。作为碱性析氢反应(HER)的阴极催化剂时，该材料展现出极高的催化活性、极低的过电位和优异的长期工作稳定性，从而大幅降低电解水制氢的能耗和成本。

适用于电解槽的极板、电解单元及电解槽

Resumen de: CN120575214A

本公开提供了一种适用于电解槽的极板、电解单元及电解槽，其中，极板包括：环形的凸台；以及凹槽，凸台环绕凹槽；其中，在凸台靠近凹槽的表面上形成多条环绕凹槽的闭合的第一水线，每条第一水线从凸台的表面向下凹陷，多条第一水线用于与电解槽的隔膜的边缘直接密封结合，并且凹槽用于与隔膜形成电解电解液的腔室。

基于电解水制氢的测试系统

Resumen de: CN120575270A

本公开提供了一种基于电解水制氢的测试系统，包括：机体，设置有安装待测电解槽的安装部；供液装置，与所述待测电解槽相连，被构造成为所述待测电解槽输送电解液；供电模块，被配置为与所述待测电解槽电连接，使得所述待测电解槽内的电解液发生电解反应；以及采集装置，被配置为采集并显示所述供液装置输送所述电解液的流量、所述供电模块的电流和电压、以及所述待测电解槽的温度中的至少一种。

一种用于阴离子交换膜电解槽析氢复合催化剂及其制备方法

Resumen de: CN120575241A

本发明涉及一种用于阴离子交换膜电解槽析氢复合催化剂及其制备方法，属于电催化剂技术领域。本发明通过将过渡金属M1‑M4前驱体和Pt前驱体浸渍‑吸附到负载有稀土氧化物的碳载体上，后置于惰性气氛下进行退火，制备出碳载铂基高熵团簇/稀土氧化物纳米粒子复合催化剂PtM1M2M3M4/ReOX/C，M1‑ M4为过渡金属Ti、V、Cr、Mn、Fe、Co、Ni、Cu、Zn、W或Mo中的任意组合。利用稀土氧化物在碱性条件下可促进水分解和锚定团簇的特性，所制备的催化剂可显著提升碱性条件下的析氢反应（HER）电催化活性和长期稳定性，并在阴离子交换膜电解槽中表现出优异的性能和工业级电流密度下保持长期稳定的运行。

一种十二烷基硫酸钠修饰铂-氢氧化镍复合电极及其电化学制备方法与应用

Resumen de: CN120575254A

本发明公开了一种十二烷基硫酸钠修饰铂‑氢氧化镍复合电极及其电化学制备方法与应用；以铂片作为阳极、镍片作为阴极，在含有盐酸和十二烷基硫酸钠的电解液中进行电化学阳极氧化耦合阴极电沉积反应，即得尺寸均一、结构规整的十二烷基硫酸钠修饰铂‑氢氧化镍复合电极，记作：Pt/Ni(OH)2‑SDS；该电极兼具电化学析氢和胺类小分子电催化氧化双功能活性，铂的负载量在10～100μg/cm2；通过控制反应电压、反应温度、电解液组成和反应时间来调控催化剂组成与微结构；本发明制备工艺简单、操作简便，反应设备要求低，价格低廉、效率高，易于实现工业化。

一种Pt基MOFs电催化材料的合成与应用

Resumen de: CN120575256A

本发明涉及一种Pt基MOFs电催化材料的合成与应用。材料中含有的Pt纳米粒子是通过还原氯铂酸钾在已合成的含有Co单原子的改性UIO‑66上，而Co单原子是利用具有金属中心的卟啉有机配体将其锚定，煅烧制成的碳基电催化剂。本发明采用的卟啉有机配体为5,10,15,20‑四(4‑羧基苯基)卟啉钴(CoTCPP)，掺杂进MOF(UIO‑66)中，作为制备电催化剂的前驱体，其制备工艺成熟，适用于商业生产。为了获得高性能析氢反应(HER)，采用一种原位策略将Pt纳米粒子和Co单原子共嵌入N掺杂碳材料中获得一种复合电催化材料(Pt@Co‑NC)，从而具有各自的优势甚至协同效应，实现其在电催化析氢方面可以媲美商业Pt/C的性能，适用于工业化生产。

一种AEM电解水制氢的镍钴催化剂、催化电极的制备方法及其应用

Resumen de: CN120575223A

本发明公开了一种AEM电解水制氢的镍钴催化剂、催化电极的制备方法及其应用，将NiSO4·6H2O、(NH4)6Mo7O24·4H2O、CoCl2·6H2O和柠檬酸钠溶于去离子水中得到第一混合溶液；将Na2S·9H2O投入去离子水中溶解得到第二混合溶液；将第一混合溶液和第二混合溶液混合，置于设定反应温度的水热釜中，并在设定的搅拌速率中反应至反应时间；离心得到粉料；去离子水洗涤粉料；置于烘箱中干燥；研磨得到(NiMoCo)xSy催化剂。本发明采用过渡金属为原料，能大幅降低催化剂的制备成本。并采用水热法制备催化剂，对设备的要求较低，工艺重复性较好，产品性质稳定，制备出的催化电极结合力强，不易脱落。

电催化剂材料、电解水制氢电极片及其制备方法和装置

Resumen de: CN120575264A

本申请涉及电解水制氢技术领域，特别涉及一种电催化剂材料、电解水制氢电极片及其制备方法和装置，该电催化剂材料的制备方法包括如下步骤：将NiFe‑LDH纳米片、镍粉和功能化添加剂体系混合，获得第一浆料；所述功能化添加剂体系的组成包括聚四氟乙烯、阴离子聚合物和溶剂；将所述第一浆料进行超声破碎，制得第二浆料；将所述第二浆料进行剪切乳化，制得第三浆料；将所述第三浆料进行球磨，制得所述电催化剂材料。本申请的电催化剂材料导电性好、电化学性能好且稳定性高。

一种质子交换膜水电解阴极析氢催化剂及其制备方法和应用

Resumen de: CN120575258A

本发明公开了一种质子交换膜水电解阴极析氢催化剂及其制备方法和应用，制备方法包括以下步骤：S1、将水、铂盐、钴盐和炭黑混合，超声处理后搅拌，干燥、研磨得到前驱体粉末；其中，所述铂盐中的铂、钴盐中的钴的摩尔比为1:1；S2、将前驱体粉末在还原气氛下进行焦耳加热还原得到所述质子交换膜水电解阴极析氢催化剂；其中，所述焦耳加热的温度为850‑950℃。本发明的制备方法具有简单、快速合成等优点，同时使所得产物具有出色的电化学性能。

Boiling water reactor

Resumen de: DK202430100A1

The present invention relates to boiling water reactors arranged to receive a synthesis gas for producing raw gas products, such as a raw methanol product, particularly for transient operation, such as where the synthesis gas is at least partly provided by producing hydrogen by electrolysis of water or steam. Embodiments of the invention include a boiling water reactor, a method of revamping an existing boiling water reactor, and a process for producing raw gas product, such as raw methanol product, utilizing the boiling water reactor.

一种高活性二元合金析氢电极板及制备的工艺方法

Nº publicación: CN120575239A 02/09/2025

Solicitante:

上海氢阅科技有限公司

Resumen de: CN120575239A

本发明属于电极板技术领域，具体涉及一种高活性二元合金析氢电极板及制备的工艺方法。本发明制备的工艺方法包括获取金属镍电极基体和不同颗粒大小的白刚玉砂；并对金属镍初始电极基体进行清洗处理；以预处理后的金属镍初始基体为工作电极，利用白刚玉砂对金属镍电极基体进行喷砂预处理；对喷砂预处理后的金属镍电极基体进行除尘操作；通过大气等离子喷涂工艺，将二元金属合金粉末喷涂在中间析氢电极板上，形成高活性二元合金析氢电极板。整个制备工艺方法依次进行清洗处理、喷砂预处理、大气等离子喷涂、自然冷却等步骤，优化电极板制备的工艺方法，保证电极板在进行析氢反应时，具有优异的析氢长时间稳定性，能够取得优异的制氢效果。