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AMMONIA PRODUCTION APPARATUS AND AMMONIA PRODUCTION METHOD

Resumen de: WO2026196803A1

The present disclosure provides an ammonia production apparatus and an ammonia production method with which it is possible to reduce energy consumption. One aspect of the present disclosure pertains to an ammonia production apparatus comprising: a first separation means for performing gas-liquid separation on a first mixture containing ammonia, nitrogen, hydrogen, and water to obtain a gas phase component containing at least ammonia, nitrogen, and hydrogen and a liquid phase component containing at least water; a pressure-application cooling means for liquefying ammonia by subjecting the gas phase component separated by the first separation means to a pressure-application cooling treatment at a pressure of 300-700 kPaA and a temperature of -80°C to 0°C; and a second separation means for separating the liquefied ammonia, hydrogen, and nitrogen obtained through the pressure-application cooling treatment by the pressure-application cooling means into liquefied ammonia, and nitrogen and hydrogen.

SUPERCRITICAL FLUID - ELECTROLYSIS LINKED RECYCLING APPARATUS AND METHOD OF USE THEREOF

Resumen de: US20260285781A1

The invention comprises an apparatus and method of use thereof for processing a waste product feedstock, comprising the steps of: converting the waste product feedstock, in a supercritical fluid chamber, into at least: water, carbon monoxide, and molecular hydrogen; moving the water, in a supercritical fluid system output system, from the supercritical fluid chamber to an electrolysis system; maintaining a temperature of the water at greater than one hundred degrees Fahrenheit from a first time of exiting the supercritical fluid chamber to a second time of entering the electrolysis system; and electrochemically converting the water into at least a generated hydrogen gas in the electrolysis system with optional steps of feeding at least a portion of the carbon monoxide and the molecular hydrogen into a Fischer-Tropsch system and generating fuel with the Fischer-Tropsch system.

MONITORING AND CONTROL OF WATER QUALITY FOR WATER ELECTROLYZER USED TO GENERATE HYDROGEN

Resumen de: US20260286557A1

0000 A method of monitoring and controlling water quality for a water electrolyzer may involve analyzing the fluoride ion concentration in excess water discharged from the water electrolysis cell. The measured fluoride ion concentration in the excess water can be compared to a fluoride ion concentration threshold. If the measured fluoride ion concentration is below the fluoride ion concentration threshold, the excess water can be recycled as the feed water to the water electrolysis cell. By contrast, if the measured fluoride ion concentration is above the fluoride ion concentration threshold, one or more control actions can be taken to enhance the purity of the water supplied to the water electrolysis cell.

ASSESSING, MONITORING, AND/OR CONTROLLING HYDROGEN-PRODUCTION INSTALLATIONS

Resumen de: US20260288116A1

0000 Systems and techniques for monitoring, assessing, and/or controlling hydrogen production are described. For instance, a system for monitoring, assessing, and/or controlling hydrogen production may include: a plurality of electrolyzers; and a controller configured to: obtain raw data indicative of respective operations of respective electrolyzers of the plurality of electrolyzers over a period of time; obtain command data indicative of one or more commands provided to the plurality of electrolyzers over the period of time; obtain event data indicative of one or more events related to the plurality electrolyzers that occurred during the period of time; generate state data based on the raw data, the command data, and the event data, the state data comprising a respective state of each electrolyzer of the plurality of electrolyzers for each of a number of discrete time periods of the period of time; and perform one or more operations responsive to the state data.

METHODS AND SYSTEMS FOR PRODUCING HYDROGEN

Resumen de: WO2025103570A1

A method of producing hydrogen by reacting silicon powder and water, comprises providing water in a reactor (120), providing loose silicon powder in the reactor (120), dispersing the silicon powder in the water in the reactor (120), and5 collecting hydrogen gas from the reactor (120). The silicon powder is provided as a plurality of silicon doses, each silicon dose comprising a predetermined amount of the silicon powder. The disclosure provides methods systems and energy carriers which are suitable in the context of production of hydrogen by reacting silicon powder and10 water. (Fig. 1) 15

SOLID OXIDE ELECTROLYZER CELL AND USE OF SAME

Resumen de: EP4810669A1

0001 Provided is a technique capable of suppressing lowering of current density, while suppressing separation at the interface between an air electrode and a solid electrolyte layer, during use of a solid oxide electrolysis cell. The solid oxide electrolysis cell includes an air electrode, a fuel electrode, and a solid electrolyte layer disposed between the air electrode and the fuel electrode. The air electrode contains: a complex oxide having a perovskite structure represented by a general formula ABO<3>; and ZrO<2>. The ZrO<2> content of the air electrode is 1×10<-3> mass% or greater and 5×10<-1> mass% or less with respect to the entire air electrode.

EXCESS HEAT FROM CO2 ELECTROLYSIS TO GENERATE STEAM TO STEAM ELECTROLYSIS

Resumen de: WO2025104292A1

The invention relates to a system and a method for producing a synthesis gas from a carbon dioxide-rich feed stream and a water feedstock via electrolysis, wherein excess heat from CO2 electrolysis is arranged to generate steam to steam electrolysis. More specifically, a system and a process are provided for production of a synthesis gas stream, said system comprising: a carbon dioxide-rich feed stream; a first H2O-rich feed stream; a first solid oxide electrolysis (SOEC) section; a second solid oxide electrolysis (SOEC) section; and a conversion section. Optimal use of heat energy is achieved by heat transfer from the output of the first SOEC section to the input of the second SOEC section.

CARBON NANOTUBE-SUPPORTED NITROGEN-DOPED CATALYST AND PREPARATION METHOD THEREFOR

Resumen de: EP4810670A1

0001 The present invention relates to the field of hydrogen production by water electrolysis, and discloses a carbon nanotube-supported nitrogen-doped catalyst, wherein the catalyst has a carbon nanotube structure as carrier, with cobalt and ruthenium as active components, wherein the content of cobalt element is 30-45wt%, the content of ruthenium element is 1-7wt%, and relative to all ruthenium elements, the proportion of ruthenium element existing in the form of RuN is 60wt%-90wt%. The graphitic structure of this catalyst is conducive to charge conduction. Ru is uniformly loaded on the carrier surface through low-temperature reduction process and interaction with defect sites on the carrier surface, and then forms interactions with N elements and metallic Co after high-temperature calcining, thereby improving the hydrogen evolution catalytic activity of the catalyst.

METHOD OF OPERATING AN ELECTROLYSIS SYSTEM, CONTROL UNIT TO CONTROL AN ELECTROLYSIS SYSTEM, ELECTROLYSIS SYSTEM WITH SUCH A CONTROL UNIT, COMPUTER PROGRAM PRODUCT AND A COMPUTER-READABLE STORAGE MEDIUM

Resumen de: EP4811580A1

Method of operating an electrolysis system (2) where-in the method comprising the steps of:(S100) reading in a signal (S) for a faulty stack (12),(S200) providing a control signal (CS1) in order to bypass the faulty stack (12),(S300) providing a second control signal (CS2) in order to provide a first voltage adapted to the n-1 row (6b) with the faulty stack (12), and(S400) providing a third control signal (CS3) in order to provide a second voltage adapted to the n row (6a) without the faulty stack (12).

REINFORCED COMPOSITE MEMBRANE FOR WATER ELECTROLYSIS CELL, MEMBRANE-ELECTRODE ASSEMBLY FOR WATER ELECTROLYSIS CELL COMPRISING SAME, AND WATER ELECTROLYSIS CELL COMPRISING SAME

Resumen de: EP4810668A1

0001 The present invention relates to a reinforced composite membrane for a water electrolysis cell, a membrane-electrode assembly for a water electrolysis cell, comprising same, and a water electrolysis cell comprising same, wherein in the reinforced composite membrane for a water electrolysis cell, a porous support is arranged to be biased toward the surface adjacent to an oxygen evolution electrode before operation of the water electrolysis cell, on the basis of a prediction of the area that expands after the operation, the oxygen evolution electrode undergoing relatively greater expansion, thereby evenly distributing the expansion stress applied to the reinforced composite membrane for a water electrolysis cell after operation and improving the performance and durability of the membrane-electrode assembly and water electrolysis cell comprising same.

POROUS HYDROPHILIC SEPARATOR, ITS METHOD OF PRODUCTION AND AN ALKALINE ELECTROLYZER WITH SUCH SEPARATOR

Resumen de: WO2025103558A1

Porous hydrophilic separator, its method of production, and an alkaline electrolyzer with such separator In an alkaline electrolyzer (12), especially for production of hydrogen gas, the separator (11) has larger pores in layers (8, 9) on its outer sides (7A, 7C), facing the electrodes (13, 14), than in the bulk layer (10). In a practical embodiment, the separator (11) is composed of two diaphragms (7, 7'), each with asymmetric pore structure, where the diaphragms (7, 7') are oriented such that largest pores are on the outer sides of the sep- arator (11).

CATALYTIC REACTOR WITH COMBUSTION CHAMBER

Resumen de: WO2025104428A1

The invention provides a device for hydrogen production comprising a reaction chamber containing one or more catalysts disposed therein, a fuel gas inlet, and a hydrogen-rich gas outlet; a first reactant gas chamber having a first reactant gas inlet for conveying a first reactant gas and being in fluid communication with an exhaust; and a second reactant gas chamber having a second reactant gas inlet for conveying a second reactant gas; wherein the reaction chamber and the first reactant gas chamber share a first wall therebetween, the first wall comprising a thermally conductive substrate having a reaction chamber face and a first reactant gas chamber face, wherein the first reactant gas chamber face of the first wall has a reaction surface which is coated with a reactant gas decomposition catalyst; wherein the first reactant gas chamber further comprises a second wall opposite the first wall defining a volume therebetween, the second wall being shared between the first reactant gas chamber and the second reactant gas chamber; wherein the second wall comprises one or more apertures disposed in an aperture-containing area along a length and width of the second wall such that the second reactant gas chamber and the first reactant gas chamber are in fluid communication with one another, wherein the aperture-containing area has a first section, a second section, and a third section, the first section being a third of the aperture-containing area distal to the fuel gas inlet and

ELECTROLYSIS ASSEMBLY AND ELECTROLYSIS METHOD

Resumen de: EP4810657A1

Vorliegend wird eine Elektrolyseanordnung (100) mit einem Elektrolyseblock (10) mit einer Vielzahl von Elektrolysezellen (1-3), die Kathodenkammern (C) und Anodenkammern (A) aufweisen, und mit einem Elektrolytsystem (20), das eine Speiseleitungsanordnung (11), eine kathodenseitige Entnahmeleitungsanordnung (12) und eine anodenseitige Entnahmeleitungsanordnung (13) aufweist, vorgeschlagen. Die Elektrolyseanordnung (100) ist dafür eingerichtet, den Kathodenkammern (C) und den Anodenkammern (A) über die Speiseleitungsanordnung (11) Lauge zuzuführen, den Kathodenkammern (C) über die kathodenseitige Entnahmeleitungsanordnung (12) Lauge und in den Kathodenkammern (C) gebildeten Wasserstoff zu entnehmen, und den Anodenkammern (A) über die anodenseitige Entnahmeleitungsanordnung (13) Lauge und in den Anodenkammern (A) gebildeten Sauerstoff zu entnehmen. In der Speiseleitungsanordnung (11), der kathodenseitigen Entnahmeleitungsanordnung (12) und/oder der anodenseitigen Entnahmeleitungsanordnung (13) ist oder sind ein oder mehrere Durchflussrestriktoren (21-27) bereitgestellt und dafür eingerichtet, einen Durchströmungsquerschnitt in Abhängigkeit von einem Mengenstrom der durch die Elektrolysezellen (1-3) geführten Lauge zu verändern. Ein entsprechendes Verfahren wird ebenfalls vorgeschlagen.

METHOD FOR OPERATING AN ELECTROLYSIS PLANT, AND ELECTROLYSIS PLANT

Resumen de: WO2025103851A1

The invention relates to a method for operating an electrolysis plant (1) comprising at least one stack (2) which has a plurality of electrolysis cells and has an anode (3) and a cathode (4), wherein in normal operation of the electrolysis plant (1), water is supplied to the anode (3) via a water circuit (5) having an integrated pump (6), said water being split in the at least one stack (2) into hydrogen and oxygen by electrolysis, and wherein the hydrogen produced by electrolysis is discharged via a cathode outlet (9) of the stack (2) and a media line (7) connected to said cathode outlet. According to the invention, a reduced stack flow is maintained when the electrolysis plant (1) is shut down and, by means of the stack flow and a cell-side recombination catalyst (10), oxygen present on the anode side is recombined with hydrogen, which diffuses from the cathode side to the anode side, to form water. The invention further relates to an electrolysis plant (1) that is suitable for carrying out the method or can be operated according to the method.

电化学反应装置

Resumen de: EP4810663A2

0001 An electrochemical reaction device includes: an electrolysis cell stack including: a plurality of sub-stacks stacked between a pair of clamping plates, each sub-stack including: a plurality of electrolysis cells stacked between a pair of support plates; and at least one fluid manifold completed within one of the plural sub-stacks; a measuring device to measure a physical quantity related to a state of at least one of the plural sub-stacks to acquire physical quantity data; and an information processing unit to process the physical quantity data from the measuring device. Each electrolysis cell includes: a cathode chamber; an anode chamber; a diaphragm between the cathode chamber and the anode chamber; a cathode arranged on the cathode chamber; and an anode arranged on the anode chamber. The pair of support plates includes at least four through holes including an inlet or an outlet of the at least one fluid manifold.

一种NiCo2S4纳米针阵列催化剂及其应用

Resumen de: CN122791413A

本发明属于电催化技术领域，公开了一种NiCo2S4纳米针阵列催化剂。所述NiCo2S4纳米针阵列通过以下方法制备：对导电基底进行清洗和表面活化预处理；在预处理后的导电基底表面原位生长Ni‑Co前驱体纳米针阵列；将所述Ni‑Co前驱体纳米针阵列进行硫化转化，得到NiCo2S4纳米针阵列。本发明利用纳米针尖端的小曲率半径所产生的尖端效应，增强了局域电场分布和反应界面电荷积累，有利于促进反应物吸附、键活化和电子转移过程，从而提升电催化反应动力学。本发明的制备方法简单、结构可控，可通过调节前驱体生长条件和硫化条件实现纳米针长度、密度及尖端形貌的调控，具有较好的可重复性和放大制备潜力。

WO3-In2O3/CuO-ZrO2载氧体及其制备方法和应用

Resumen de: CN122787030A

本发明公开了一种WO3‑In2O3/CuO‑ZrO2载氧体及其制备方法和应用，涉及载氧体技术领域。其技术方案包括以下步骤：1）载体CuO‑ZrO2的制备：将ZrO(NO3)2·2H2O、Cu(NO3)2·3H2O溶解于水中，尿素作为沉淀剂，反应，干燥，煅烧，得到双金属氧化物载体CuO‑ZrO2；2）In2O3/CuO‑ZrO2的制备：加入In(NO3)3·4.5H2O，老化，煅烧；得到In2O3/CuO‑ZrO2；3）载氧体WO3‑In2O3/CuO‑ZrO2的制备：加入Na2WO4·2H2O，搅拌，蒸发水得到固体，干燥，煅烧，得到载氧体。本发明实现了NH3分子的高效转化。

流道板及电解装置

Resumen de: CN122791403A

本申请提供一种流道板及电解装置，涉及电解水技术领域，具体技术方案为：流道板包括板体、以及设置于板体上的流道结构，流道结构包括：多个第一流道、流道入口、多个流道出口和多组第二流道，多个第一流道由板体的中心向四周呈发射状延伸；流道入口位于板体的中心，且与多个第一流道连通；多个流道出口与多个第一流道一一对应，且每个流道出口位于对应的第一流道的远离流道入口的一端；相邻的两个第一流道之间设置有一组第二流道，且每组第二流道与相邻两侧的两个第一流道均连通。采用本方案可以使流道板内的流体分布均匀，提高传质效率、减少涡流和气堵风险，并且，该流道板结构简单，有助于降低成本提高生产良率。

稀土元素掺杂的非晶氧化钌催化剂及其制备方法和应用

Resumen de: CN122791423A

0001 本发明属于微纳米材料制备技术领域，具体涉及一种稀土元素掺杂的非晶氧化钌催化剂及其制备方法和应用。本发明提供的制备方法，包括以下步骤：将稀土金属硝酸盐与钌盐混合均匀，得到前驱体；将硝酸锂加热至270‑300℃，得到熔融LiNO<3>；将前驱体加入熔融LiNO<3>中进行反应，反应结束后冷却至室温，将LiNO<3>与产物分离后，即得稀土元素掺杂的非晶氧化钌催化剂。本发明提供的方法通过熔融LiNO<3>提供的富氧环境，同时以熔融盐中的Li<+>辅助合成，不需要精确控制煅烧温度和煅烧时间，就可以稳定得到稀土元素掺杂的非晶氧化钌催化剂。本发明工艺简单、可以大规模生产，制备出的催化剂在电催化析氧反应中表现出较高的活性。

电池单元

Resumen de: WO2025192602A1

A cell unit (2) comprises: a base material (10) that defines a first surface (11) and a second surface (12) facing each other; a hole (13) that penetrates from the first surface (11) to the second surface (12); a film (21) that is disposed in the hole (13) and partitions the hole (13) into a first space (15) on the first surface (11) side and a second space (16) on the second surface (12) side; a first flow path (40) that is formed on the base material (10) and serves for introducing a first fluid into the first space (15); a second flow path (42) that is formed on the base material (10) and serves for taking out a second fluid from the second space (16); a first gasket (50) disposed on the first surface (11) and surrounding the first space (15) and the first flow path (40); and a second gasket (51) disposed on the first surface (11) and surrounding the second flow path (42) on the outside of the first gasket (50).

电解池堆、电解池盒、电解池模块及电解池堆的制造方法

Resumen de: WO2025220485A1

The present disclosure provides an electrolytic cell stack capable of increasing the amount of product generated by electrolysis while suppressing a temperature rise of the cell stack. An electrolytic cell stack (101) according to the present disclosure comprises: a hydrogen generation unit (10) provided with an electrolytic cell (105) having a hydrogen electrode, an oxygen electrode, and a solid electrolyte membrane; a raw material gas supply port (11); a hydrogen gas discharge port (12); a raw material gas supply-side heat exchange unit (13); and a hydrogen gas discharge-side heat exchange unit (14). The raw material gas supply-side heat exchange unit and the hydrogen gas discharge-side heat exchange unit are each composed of a heat transfer unit and a header unit. The heat transfer unit area of the hydrogen gas discharge-side heat exchange unit is larger than the heat transfer unit area of the raw material gas supply-side heat exchange unit.

层叠体、膜电极接合体、水电解装置及层叠体的制造方法

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.

一种焦煤源本征Fe调控多孔碳负载Pt的析氢电催化材料及其制备、应用方法

Resumen de: CN122791414A

0001 本发明公开了一种焦煤源本征Fe调控多孔碳负载Pt的析氢电催化材料及其制备、应用方法，涉及电解水制氢催化材料与电催化技术领域。能够满足低成本、高效率碱性析氢。所述析氢电催化材料包括由焦煤经碱活化形成的多孔碳载体以及分布于所述多孔碳载体表面和/或孔壁上的Pt纳米颗粒；所述多孔碳载体保留焦煤源本征Fe相关位点，所述本征Fe相关位点来源于焦煤前驱体天然赋存铁组分并经活化、酸洗和热处理后保留或转化形成，用于促进Pt的成核与分散，并提高Pt的利用效率。解决了现有技术中Pt基析氢催化剂贵金属利用率低、碳载体界面调控能力有限、外加金属修饰工艺复杂的问题。

一种三元合金CrRuIr连续网络结构电催化剂及其制备方法和应用

Resumen de: CN122791416A

0001 本发明公开了一种三元合金CrRuIr连续网络结构电催化剂及其制备方法和应用，涉及电催化材料技术领域，本发明提供的制备方法包括以下步骤：将钌、铱、铬的氯化物或乙酰丙酮配合物、沉淀剂与表面活性剂溶于多元醇，经回流、离心、洗涤、烘干得前驱体，再惰性退火。机理上，亲氧Cr引入Lewis酸性位点增强水解离，并在催化剂表面原位构建局部微碱环境抑制Ru溶出。性能测试显示，该催化剂在10mAcm<‑2>下过电位仅198mV；用于PEM电解槽阳极时，在1Acm<‑2>工业级电流密度下可稳定运行超1000小时。本发明为高性能低成本酸性OER催化剂提供了新路径。

碱性电解水制氢用超薄复合隔膜及其制备方法和应用

Nº publicación: CN122791426A 22/09/2026

Solicitante:

国家能源投资集团有限责任公司北京低碳清洁能源研究院

Resumen de: CN122791426A

本发明属于电解水制氢隔膜技术领域，尤其涉及一种碱性电解水制氢用超薄复合隔膜及其制备方法和应用；所述复合隔膜包括聚苯硫醚(PPS)支撑网以及设置在所述聚苯硫醚支撑网一侧/两侧的多孔涂层；其中，形成所述多孔涂层的铸膜液包括：聚砜树脂、氧化锆纳米颗粒、聚乙烯吡咯烷酮、聚醚胺和有机溶剂。本发明所述复合隔膜的面电阻低、离子透过性好，且力学性能也能很好地满足电解水制氢的需求。