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860
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Updated on
15/11/2026 [07:11:00]
Results 650 to 675 of 860
Absstract of: CN122811832A
本发明涉及一种快速制备炭黑负载Pt/PtSe2异质结电催化电极的方法，包括以下步骤：S1、将预处理炭黑和铂源分散于溶剂中，进行油浴加热，反应结束后，经冷却、离心、干燥，得到Pt/C粉；S2、将所述Pt/C粉与硒粉混合，进行闪蒸焦耳热处理，即得。本发明通过闪蒸焦耳热处理实现硒化反应的高效精准调控，在预处理炭黑上稳定构建高性能Pt/PtSe2异质结，使得电催化电极在复杂碱性海水电解液中兼具优异的催化活性与长效运行稳定性，适配工业级碱性海水制氢的应用场景。
Absstract of: CN122811822A
0001 本发明公开了一种无储能无DC/DC光伏直耦极简电解制氢系统及容量配置方法，包括光伏发电模块、PEM电解制氢模块、储氢模块及控制模块。其核心在于光伏发电模块的直流输出端与PEM电解制氢模块的直流输入端通过直流母线直接电连接，且在连接线路上不设置任何储能装置与DC/DC功率变换器，形成极简拓扑。该系统利用PEM电解制氢模块自身具备的宽负荷动态响应特性，通过控制模块实时监测光伏出力，自适应地控制电解槽在满负荷运行、动态功率匹配及待机状态间切换，以跟随光伏波动。本发明通过极简架构省去了储能与功率变换环节，有效降低了系统初始投资与运维成本，消除了变流损耗，提高了系统可靠性。
Absstract of: CN122811847A
0001 本发明涉及一种复合电极材料及其制备方法和应用，其中，复合电极材料，包括导电基底，以及生长在所述导电基底表面的Ni‑Mo‑Ce‑S复合催化活性材料；所述Ni‑Mo‑Ce‑S复合催化活性材料由包含镍源、钼源、铈源和硫源的浸渍液在所述导电基底表面浸渍、反应、烧结形成。其有益效果是，其可以在保持优异催化活性的同时大幅降低制备工艺复杂度与生产成本，达到了析氢反应性能与工业化应用可行性的有效统一。
Absstract of: KR102861076B1
A method for operating a high temperature water electrolysis stack is disclosed. The disclosed method for operating a high temperature water electrolysis stack comprises the steps of: injecting a reducing gas into a hydrogen electrode of a high temperature water electrolysis stack (s210); initially raising the temperature of the hydrogen electrode of the high temperature water electrolysis stack (s220); blocking the reducing gas injected into the hydrogen electrode of the high temperature water electrolysis stack (s230); primarily oxidizing the hydrogen electrode of the high temperature water electrolysis stack (s240); re-injecting the reducing gas into the hydrogen electrode of the high temperature water electrolysis stack (s250); blocking the reducing gas injected into the hydrogen electrode of the high temperature water electrolysis stack again (s260); secondarily oxidizing the hydrogen electrode of the high temperature water electrolysis stack (s270); and performing a normal operation by re-injecting the reducing gas into the hydrogen electrode of the high temperature water electrolysis stack (s280).
Absstract of: ES2962182A1
The present invention refers to a method for obtaining hydrogen through the dissociation of the water molecule through thermochemical reactions under (quasi-) isothermal conditions, which comprises the following steps: arranging the active material (103) in a volume reaction (109) of a reactor (101); reduce the active material (103) provided, by adding heat; evacuate the oxygen produced through a first outlet (106); inject water into the reaction volume (109); oxidize the active material (103) producing hydrogen; filter the hydrogen produced through a selective filter (104) during the oxidation process of the active material (103); and evacuate the filtered hydrogen through the second outlet (107) obtaining a flow of high purity hydrogen; and device to carry it out. (Machine-translation by Google Translate, not legally binding)
Absstract of: WO2022189560A1
Method and system for producing a hydrogen product from ammonia, comprising: optionally at least one pre-cracking reactor, such as an adiabatic pre-cracking reactor, arranged to receive an ammonia feed stream, thereby producing a partly converted am-5monia feed stream comprising ammonia, hydrogen and nitrogen; an ammonia cracking reactor such as an electrically heated reactor. The reactor is arranged to receive the partly converted ammonia feed stream or the ammonia feed stream for producing an effluent gas stream comprising hydrogen and nitrogen and optionally also unconverted ammonia; and a hydrogen recovery unit arranged to receive the effluent gas stream for 10producing the hydrogen product and an off-gas stream comprising hydrogen, nitrogen and optionally unconverted ammonia.
Absstract of: WO2022187133A2
A method of fabricating a device includes providing a substrate of the device, forming a structure of the device, the structure being supported by the substrate, having a semiconductor composition, and including a surface, where nitrogen is present at the surface, and incorporating oxygen into the surface to form a stabilizing layer on the surface. Incorporating oxygen into the surface is implemented such that the stabilizing layer includes a uniform distribution of an oxynitride material
Absstract of: CN122811844A
0001 本发明属于电解槽电极表面处理技术领域，涉及一种电解槽电极表面PVD镍基复合涂层制备方法。电极基体表面包括依次设置的底层、中间层与表层；底层为纯镍层；中间层为镍氮层和碳化镍层中的至少一种，表层为富镍氮层和碳化镍层中的至少一种。本发明镍基复合涂层结构并配套优化 PVD 沉积全套工艺；借助镍‑氮/碳复合元素掺杂调控涂层微观电子结构，有效降低析氢反应过电位，提升电极电催化活性；提升膜层致密性、减少内部孔隙缺陷，阻隔强碱电解液渗透侵蚀基材，显著增强电极长效耐蚀能力；通过溅射、退火关键工艺协同调控，降低生产真空能耗与靶材损耗，在兼顾电极服役稳定性与催化性能的基础上，适配电解极板低成本、大批量工业化制备需求。
Absstract of: WO2026196032A1
This invention presents an advanced high-efficiency alkaline hydrogen electrolyzer utilizing a Nickel-Chromium (Ni- Cr) Nanohelix electrode structure. Unlike traditional proton exchange membrane (PEM) electrolyzers that rely on costly platinum-group metals (PGMs), this system enhances hydrogen evolution reaction (HER) kinetics using a durable, cost- effective transition metal-based catalyst.Achieving 85% efficiency at 300-500 mA/cm2 with hydrogen costs of $1.50/kg, this electrolyzer offers an economical, sustainable, and scalable solution for green hydrogen production.
Absstract of: US20260286558A1
0000 A method of producing a hydrogen stream and an oxygen stream and passing the hydrogen stream and the oxygen stream to a reverse water-gas shift reactor is described, the method comprising: providing a water stream to an electrolysis system configured to form: a hydrogen stream at a first pressure, and an oxygen stream at a second pressure; passing the hydrogen stream, a carbon dioxide stream, and the oxygen stream to the reverse water-gas shift reactor, wherein the first pressure is lower than the second pressure.
Absstract of: WO2026198665A1
A method for hydrogen gas production is provided herein. The method includes supplying a first solution comprising water and optionally an acidic material to interact with one or more desired metal-comprising materials to release two or more metal cations comprising an M1 cation and an M2 cation. The method can include supplying a second solution that include one or more basic or alkaline materials to react with the released metal cations to form one or more mixed metal hydroxide materials containing hydroxide anions (OH-). One or more mixed metal oxide materials that include one or more spinel materials can be formed by degrading the mixed metal hydroxide materials under a first heating temperature. The method includes generating hydrogen gas by water splitting under a second heating temperature, wherein the spinel materials act as catalysts for water splitting reaction.
Absstract of: US20260286231A1
The invention comprises a method for controlling reactions in a supercritical fluid chamber, comprising the steps of: forming a formed hydrogen gas in a supercritical fluid chamber; outputting the formed hydrogen gas from the supercritical fluid chamber; feeding a first portion of the formed hydrogen gas back into the supercritical fluid chamber through a feedstock feedback system; measuring quantity of the first portion of the hydrogen gas in the feedback system with a sensor; and controlling flow of the first portion of the hydrogen gas back into the supercritical fluid chamber with a controller and output from the sensor, where a majority of the formed hydrogen gas is formed in the breakdown as waste products, such as waste plastic and/or waste rubber. Optionally, a second portion of the formed hydrogen gas is used in a Fischer-Tropsch process in fuel generation.
Absstract of: WO2026196286A1
The application discloses a. bifunctional electrode configured to catalyze both a hydrogen evolution reaction (HER) and an oxygen evolution reaction (OER) in an electrochemical water-splitting system.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: DE102025111044A1
Die Erfindung betrifft eine Elektrolysezelle (2) zur Verwendung in einem Elektrolyseur zum elektrochemischen Zerlegen von Wasser zu Wasserstoff und Sauerstoff, umfassend eine Membran-Elektroden-Einheit (10) mit einer Membran (4) und beidseitig der Membran (4) aufliegend einem Anodenkatalysator (6) und einem Kathodenkatalysator (8), einen Zellrahmen (12) zum Einspannen zumindest der Membran (4), mindestens eine Gasdiffusionslage (20) und ein Weichelement (18), welches zwischen der Membran-Elektroden-Einheit (10) und der Gasdiffusionslage (20) angeordnet ist. Um eine Faltenbildung der Membran möglichst zu verhindern, oder zumindest zu minimieren, ist zudem eine Stabilisierungsschicht (16) vorgesehen, die zwischen dem Weichelement (18) und der Membran-Elektroden-Einheit (10) angeordnet ist, wobei die Stabilisierungsschicht (16) eine höhere Biegesteifigkeit als das Weichelement (18) aufweist.
Absstract of: US20260284370A1
0000 Systems and methods for generating and delivering molecular hydrogen are disclosed which utilize an electrochemical cell, an adhesive, and a wireless electronic circuit. The electrochemical cell includes a hydrogel, a membrane electrode assembly (MEA) embedded in the hydrogel, and a proton exchange membrane (PEM). The MEA has a first mesh electrode and a second mesh electrode. The PEM is disposed between the first mesh electrode and the second mesh electrode. The adhesive is coupled with a first side of the electrochemical cell, wherein the adhesive secures the electrochemical cell to a tissue of a subject. The wireless electronic circuit is coupled to the electrochemical cell on a second side opposite the first side of the electrochemical cell.
Absstract of: US20260286232A1
0000 The invention comprises a method for controlling feedstock feedback, comprising the steps of: (1) breaking down a waste product feedstock in a supercritical fluid chamber; (2) transferring at least carbon monoxide and molecular hydrogen from the supercritical fluid chamber into a Fischer-Tropsch system; (3) generating a byproduct in the Fischer-Tropsch system, the byproduct comprising a hydrocarbon chain of less than eight carbons; and (4) feeding the hydrocarbon chain back into the supercritical fluid chamber via a feedstock feedback system, where the feedstock is optionally and preferably municipal solid waste, plastic, and/or rubber.
Absstract of: WO2026197170A1
Provided is an ammonia decomposition system capable of suppressing the amount of waste heat. The present invention provides an ammonia decomposition system equipped with a raw material supply line, a reactor, a discharge line, and a heat exchange unit. The raw material supply line is configured so that the ammonia supplied to the reactor as a raw material flows through the raw material line. The discharge line is configured so that a mixed gas containing a product gas discharged from the reactor and unreacted ammonia that has not been decomposed in the reactor flows through the discharge line. The heat exchange unit is configured so that the heat of the mixed gas in the discharge line is transferred to the ammonia in the raw material supply line.
Absstract of: WO2026193526A1
Provided is a catalyst film for photocatalytic water splitting or CO2 conversion, comprising: a heterogeneous conductive substrate, the conductive substrate comprising a conductive material and a selectively applied coating on the conductive material; wherein coated areas of the substrate form a cathodic region having a first work function and uncoated areas of the substrate form an anodic region having a second work function, the second work function being lower than the first work function; a layer of an oxygen evolution photocatalyst material on the anodic region; and a layer of a hydrogen evolution photocatalyst material on the cathodic region, as well as a method for making same and a device and system with the catalyst film.
Absstract of: WO2026197050A1
Problem To provide a hydrogen generation system that can easily be enlarged. Solution A hydrogen generation device 10 comprises: a photocatalyst member 11 that holds a photocatalyst; a first cover member 12 that covers the surface on one side of the photocatalyst member 11; a second cover member 13 that covers the surface on the other side of the photocatalyst member 11; a transparent part that transmits light energy to the photocatalyst member 11; and a seal part 15 that encloses the photocatalyst member 11 together with the first cover member and the second cover member 13, and that seals a fluid retention space 14 in which raw material water is held together with a generated hydrogen gas or both the hydrogen gas and an oxygen gas. The first cover member 12 and/or the second cover member 13 is composed of a soft material. A pressure adjustment means 45 for depressurizing the fluid retention space 14 is provided. Water is supplied to the fluid retention space 14. Furthermore, either hydrogen gas generated in the fluid retention space 14 or the hydrogen gas and oxygen gas are discharged.
Absstract of: WO2026197702A1
The present invention relates to a catalyst for an ammonia decomposition reaction, and more specifically, to: a catalyst for an ammonia decomposition reaction in which ceria is impregnated with an active metal including ruthenium, wherein the catalyst has excellent ammonia decomposition activity and has enough stability to maintain catalytic activity at the same level as the initial level for up to 100 hours, and thus can produce high-purity hydrogen; and a method for producing same.
Absstract of: DE102025110278A1
Die Erfindung betrifft ein Elektrolysesystem (100; 100a), mit einem Stack (1), der wenigstens eine elektrochemische Zelle (101) mit einem Anodenraum (102) und einem Kathodenraum (104) aufweist und der dazu eingerichtet ist, Wasser elektrolytisch in Wasserstoff und Sauerstoff aufzuspalten, wobei der Kathodenraum (104) einen Einlass (108) und einen Auslass (110) aufweist, sowie mit einem Gas-Flüssigkeits-Separator (14), der über eine Leitung (12) mit dem Auslass (110) des Kathodenraums (104) verbunden ist, wobei der Gas-Flüssigkeits-Separator (104) zur Trennung von Flüssigkeit von Gas ausgebildet ist, wobei der Gas-Flüssigkeits-Separator (14) einen Gasauslass (16) zum Abströmen des abgetrennten Gases und einen Auslass (24) für die abgetrennte Flüssigkeit aufweist, der mit einem Flüssigkeitstank (30; 30a) verbunden ist, in dem die Flüssigkeit unter Druck speicherbar ist.
Nº publicación: WO2026193888A1 24/09/2026
Applicant:
BP CHINA HOLDINGS LTD [CN]
BP (CHINA) HOLDINGS LIMITED
Absstract of: WO2026193888A1
The present disclosure relates generally to processes for electrochemical activations of anodes, cathodes and electrolysis systems for alkaline water electrolysis, especially for nickel-based electrodes. In s0ome embodiments, the processes include repeating first treatment cycles of application of voltage to an anode at least a first number of times, the first number being at least 30, each first treatment cycle comprising (a) application of a first voltage at least +0.3 V vs. Hg/HgO to the anode; and (b) application of a second voltage no more than -0.8 V vs. Hg/HgO to the anode.
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