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一种质子交换膜电解水制氢系统启动过程优化方法及装置

Absstract of: CN120030734A

本发明提供一种质子交换膜电解水制氢系统启动过程优化方法及装置首先，建立系统的集总参数模型，包括质子交换膜电解槽的电压模型、制氢装置的温度模型、产氢功率模型和消耗电能模型；然后，采用庞特里亚金极小值原理优化启动过程中的制氢效率，得到最优的电流变化曲线，并将其输入到模型中得到装置温度变化曲线，基于优化得到的电解电流和装置温度数据制成MAP表；最后，在制系统启动过程中，根据当前系统温度查询MAP表得到电解电流，控制电源以该电流电解，该方法通过适当延长启动过程中系统温度上升时间，有效提高了启动过程中的制氢效率。

具有导电高分子插层的催化阳极及其制备方法和应用

Absstract of: CN120026366A

本发明公开了一种具有导电高分子插层的催化阳极及其制备方法和应用，涉及电解制氢技术领域，包括如下步骤：步骤1、通过化学沉积法在泡沫镍上生长导电高分子有机物，制备电极；步骤2、配置含有硝酸镍水溶液和硝酸铁水溶液的混合溶液作为电解液，转移到三电极电解池中，以步骤1制备得到的电极作为电解池阴极、铂丝电极作为电解池阳极，进行电沉积；步骤3、取出经过电沉积后的泡沫镍，洗涤，去除表面水分，得到具有导电高分子插层的催化阳极。本发明提高了海水直接电解催化稳定性(500+小时)，并提高了催化活性、降低了海水电解制氢成本(降低37.5％)，电极合成过程安全环保、操作简单、成本低廉、便携性好。

一种壳聚糖调控生成单斜相钒酸铋光阳极及其制备方法与应用

Absstract of: CN120026355A

本发明公开了一种壳聚糖调控生成单斜相钒酸铋光阳极及其制备方法与应用，钒酸铋光阳极采用壳聚糖、钒源、铋源共存的均一铸膜溶胶经旋涂、薄膜预固定、煅烧制备而成。铸膜溶胶中的壳聚糖促进形成单斜相BiVO4，表面拥有发达的蠕虫状孔道，表现出优异的固液传质和体相载流子分离能力。壳聚糖调控的单斜相钒酸铋光阳极在一个太阳光照强度(100mW/cm2)下，光电催化亚硫酸盐处理的天然海水可彻底抑制析氯反应，光电流密度可达6.03mA/cm2(1.23V vs.RHE)，同时阴极能稳定析出氢气。本发明光阳极制备方法对设备要求低，过程简单，可控性和重现性强，在光电催化分解海水制氢领域展现出较大的应用潜力。

一种熔盐保护法制备高熵尖晶石氧化物纳米材料的方法及应用

Absstract of: CN120024941A

本发明属于纳米材料制备及新能源领域技术领域，具体涉及一种熔盐保护法制备高熵尖晶石氧化物纳米材料的方法及应用。本发明利用熔盐保护法将普鲁士蓝类似物转化成尖晶石氧化物纳米材料，熔盐保护法可以提高纳米材料中高价离子的含量，增加活性位点的数量，从而使材料的析氧性能得到大幅度提升，并且可以选择不同的熔盐和控制反应条件，可以对产物的结构进行调控，以满足不同的应用需求，在工业电解水应用中有广阔的前景，有助于实现大规模氢气生产。

一种碱性水电解的层状双氢氧化物膜及其应用

Absstract of: CN120026373A

本发明属于新材料技术领域，公开了一种碱性水电解的层状双氢氧化物膜，所述层状双氢氧化物膜是以聚四氟乙烯为粘接剂将层状双氢氧化物颗粒连接成连续薄膜得到的。本发明以聚四氟乙烯(PTFE)为粘接剂，采用压延方法将层状双氢氧化物(LDH)颗粒连接为连续的致密薄膜。该制备方法不需要或很少需要使用有机溶剂，并且易于连续性工业化生产。将制备的层状双氢氧化物膜用于碱性水电解时，表现出明显低于商品Zirfon膜的面电阻和氢气透气率，可以广泛应用于工业生产且兼具较高离子电导率。

电解槽、电解制氢系统及控制方法

Absstract of: CN120026342A

本发明涉及可再生能源利用技术领域，公开了一种电解槽、电解制氢系统及控制方法。该电解槽本体包括多个电解单元；电解单元包括多个双极板，用于独立电解制氢；至少两个电解单元的双极板的数量不等。在本发明中，通过设置多个可以独立电解制氢的电解单元，且至少两个电解单元的双极板的数量不同，双极板数量较少的电解单元的功率运行下限较小，从而降低了电解槽整体的运行功率下限，拓宽了电解槽整体的运行功率范围，在将电解槽与可再生发电系统结合时，可以使电解槽适应可再生发电系统的波动性，解决了现有技术中的电解制氢技术存在的无法适应可再生发电系统的波动性的问题。

一种配体调控析氧催化剂表面重构的方法及催化剂和应用

Absstract of: CN120022923A

本发明公开了一种配体调控析氧催化剂表面重构的方法及催化剂和应用。该方法涉及配体调谐的表面重建，能够同时掺入掺杂的阳离子和氧空位，以提高OER的催化活性。通过使用碲化镍、氧化镍、硫化镍或硒化镍作为预催化剂，基于在碱性电解质中利用氨络合物的配体诱导的延迟掺杂效应，开发了由镍基预催化剂和(氧)氢氧化物组成的表面工程异质界面结构。本发明方法工艺简单，易于操作，可工业化推广；且制得的析氧催化剂具有活性位点和氧空位丰富，化学活性表面积大，稳定性好，可调控，成本低廉的特点。

一种核壳结构的长余辉@硫铟化锌复合光催化材料和制备方法及其应用

Absstract of: CN120022907A

一种核壳结构的长余辉@硫铟化锌复合光催化材料和制备方法及其应用，具体公开了一种核壳结构的PLNPs@ZIS复合光催化材料，其中，核为长余辉纳米颗粒(PLNPs)，壳为硫铟化锌纳米片(ZIS)，化学式为(x)Zn2SiO4:Ga3+@(y)ZnIn2S4，1≤x≤16，15≤y≤30。该复合材料采取溶剂热法制备，先合成单独的PLNPs，将PLNPs充分分散后与ZIS的前驱体混合均匀，经溶剂热反应原位生长形成核壳结构的PLNPs@ZIS复合材料。本发明制备的复合光催化材料具有良好的吸附性和氧化还原能力，表现出良好的光催化制氢性能，在能源领域具有良好的应用前景。

一种Bi2SiO5/碳泡沫复合光电催化材料及其制备方法及应用

Absstract of: CN120026358A

本发明公开了一种Bi2SiO5/碳泡沫复合光电催化材料及其制备方法及应用，首先制备Bi2SiO5粉体，再将Bi2SiO5粉体、异丙醇溶液、聚苯醌溶液和碘单质按例比配制成Bi2SiO5前驱体溶液，将预处理后的碳泡沫基底置于水热电泳沉积仪的负极，将Bi2SiO5前驱体溶液置入沉积，在15～30V电压下沉积1～20min，之后关闭设备，取出碳泡沫基底，干燥后即可得到所需的Bi2SiO5/碳泡沫光电催化剂；该材料具有良好的光吸收和优异的电导性，大幅度提高了光电催化水裂解的效率，解决了Bi2SiO5纯相电导率低的问题，突破了自身材料限制，具有优异的光电催化前景；碳泡沫材料的一体式光电极比传统的光电极更加稳定，具有广泛的适应性，可以长时间稳定工作，过程易控，工艺简单、周期短、能耗低。

一种制氢电解槽用密封垫矫正装置及矫正方法

Absstract of: CN120023948A

本申请公开了一种制氢电解槽用密封垫矫正装置及矫正方法，密封垫矫正装置用于将处于变形状态的密封垫矫正为标准状态，密封垫上具有多个通孔，矫正装置包括环座、筒体、多个定位柱和压环，环座具有相对设置的第一侧面与第二侧面；筒体固定于第一侧面背离第二侧面的一侧，筒体的轴向与环座的轴向重合；多个定位柱均设置于第一侧面背离第二侧面的一侧且绕环座的轴向环绕分布于筒体的外周，定位柱沿环座的轴向延伸；压环套设于筒体的外周且具有沿环座的轴向滑动的自由度，压环上设置有多个定位孔，其中，多个定位柱一一对应地穿过多个定位孔。本申请可以将处于变形状态的密封垫矫正为标准状态，使密封垫可以重复利用。

中压小功率PEM制氢电解水的测试装置

Absstract of: CN120028488A

本发明属于PEM制氢技术领域，公开了一种中压小功率PEM制氢电解水的测试装置。包括氢气分气罐、去离子水供水罐、被测物中压PEM电解槽循环连接，在去离子水供水罐上接有氧气分水罐，所述氢气分水罐上设有H2进入管路，H2进入管路上设有氢中氧在线分析仪，氧气分水罐上设有O2进入管路，O2进入管路上设有氧中氢在线分析仪；有N2进入管路分别接入氢气分气罐与被测物中压PEM电解槽之间的管路、去离子水供水罐与被测物中压PEM电解槽之间的管路。本发明可以满足小功率PEM制氢电解槽的中压测试需求，可以快速精准的调节从低压到中压的测试压力，而且可以精确的测试带压状态下的制氢量。

METHODS AND SYSTEMS FOR PRODUCING HYDROGEN

Absstract of: 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

MANUFACTURING APPARATUS OF SEPARATOR FOR WATER ELECTROLYSIS AND MANUFACTURING METHOD OF SEPARATOR FOR WATER ELECTROLYSIS USING THE SAME

Absstract of: WO2025105666A1

The present invention relates to an apparatus for manufacturing a water electrolysis membrane and method for manufacturing a water electrolysis membrane using same, and can provide a water electrolysis membrane having excellent physical properties, such as low sheet resistance, low hydrogen permeability, and excellent durability, compared to conventional commercial membranes.

ELECTROLYSIS SYSTEM AND METHOD FOR OPERATING AN ELECTROLYSIS SYSTEM OF THIS TYPE

Absstract of: AU2023405114A1

The invention relates to an electrolysis system (1) comprising an electrolyser (3) for producing hydrogen (H

CATALYTIC REACTOR WITH COMBUSTION CHAMBER

Absstract of: 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

Nasal turbinate hemostatic electrode

Absstract of: US2025160931A1

A nasal turbinate hemostatic electrode includes a main body, where an end of the main body is fixedly connected to a tip; the tip includes a first electrode and a second electrode; side walls of the first electrode and the second electrode are rounded; the first electrode and the second electrode are spaced apart, and have a same surface area; an end of the main body adjacent to the tip is provided with an outlet hole; the outlet hole is connected to an inlet pipe; the outlet hole is configured to deliver an electrolyte to the tip; and the first electrode and the second electrode are configured to conduct a plasma current in the electrolyte. The nasal turbinate hemostatic electrode prevents the surgical electrode from causing a secondary injury to the patient during an operation process, further improving the use safety of the surgical electrode.

SYSTEM AND METHODS FOR PRODUCING METHANOL USING CARBON DIOXIDE

Absstract of: US2025162961A1

Systems and methods for producing methanol using syngas, which is a primarily a mixture of hydrogen and carbon monoxide, hydrogen and a carbon dioxide by-product that significantly reduce carbon dioxide emissions and/or sequestration. The syngas may be produced, for example, by an autothermal reactor, a steam methane reformer, or a gasifier. The hydrogen may be produced by an electrolyzer.

PLANT FOR PRODUCING GLASS AND HYDROGEN AND METHOD FOR PRODUCING GLASS AND HYDROGEN

Absstract of: US2025162922A1

A the plant for producing glass and hydrogen includes: a glass melting furnace that melts a glass raw material with combustion heat of fuel to generate molten glass; an exhaust passage which extends from the glass melting furnace and through which exhaust gas generated in the glass melting furnace passes; a boiler that is provided in the exhaust passage and conducts heat exchange between the exhaust gas and water to generate steam; and an electrolyzer that electrolyzes the steam to generate hydrogen and oxygen.

AUTONOMOUS CAPTIVE AEROSTAT WITH DEVICES FOR GENERATING AND CONVERTING SUSTAINABLE CARBON-FREE ENERGY

Absstract of: US2025162701A1

The present invention relates to an autonomous captive aerostat (2) of the type comprising a closed hydrogen-reservoir volume (24) providing lift, an outer membrane (40) equipped with photovoltaic cells (8) for collecting solar radiation, and a ground tether (20) comprising a cable for transmitting the electrical energy produced by the cells (8). The captive aerostat according to the invention is notable in that it comprises devices (4) for capturing water or moisture contained in the atmosphere constituting its outer membrane (40), means enabling this water to be converted into at least one form of energy selected from hydrogen, oxygen and heat, and pipes each enabling some of the collected water and at least one of the forms of energy generated or converted within the aerostat to be distributed to the ground. Applicable notably to the distribution of energy to urban environments.

A SYSTEM FOR UTILIZING OIL AND GAS FIELD PRODUCED WATER AND CAPTURED CARBON DIOXIDE TO PRODUCE HIGH-VALUE PRODUCTS

Absstract of: US2025162891A1

The present invention relates to systems and processes for utilizing produced water and captured carbon dioxide to produce high-value products. The system includes a produced water processing system, a carbon capture system, an electrolyzer, and a conversion chamber. The electrolyzer includes a first chamber, a second chamber, and a semi-permeable membrane and first electrode in the first chamber and a second electrode in the second chamber. The first chamber receives treated saturated produced water. The second chamber is operated at a second operating pressure that is less than the first operating pressure and facilitates the passage of sodium ions across the membrane. A current is applied to the electrodes such that the first electrode functions as an anode and the second electrode functions as a cathode, producing hydrogen gas and sodium hydroxide in the second chamber and chlorine gas in the first chamber. The polarity of the electrodes and the flow of reagents into the first and second chambers and the flow of products out of the first and second chambers may be reversed.

METHOD FOR THE PREPARATION OF AN ELECTRODE COMPRISING A METAL SULFIDE COMPOUND

Absstract of: WO2025104195A1

The present invention relates to a process for the preparation of an electrode or a precursor thereof comprising sulfurizing a metal layer deposited on an electrode substrate, said metal layer comprising nickel, iron or a mixture of iron with nickel or cobalt. The invention also relates to the electrode or a precursor thereof obtainable by said process, the use thereof in electrocatalysis, for instance in alkaline water electrolysis, and to a device comprising said electrode.

METHOD FOR CRACKING AMMONIA

Absstract of: US2025162866A1

A method for producing hydrogen using a feed stream comprising ammonia is provided. The method can include the steps of: heating the feed stream in a first heat exchanger to produce a heated feed stream, wherein the heated feed stream is at a temperature above 500° C.; introducing the heated feed stream into a first reaction zone under conditions effective for catalytically cracking the heated feed stream to produce a raw hydrogen stream, wherein the raw hydrogen stream comprises hydrogen and nitrogen; cooling the raw hydrogen stream by indirect heat exchange against a first cooling fluid to form a cooled hydrogen stream; and purifying the raw hydrogen stream to produce a hydrogen product stream and a tail gas, wherein the tail gas has a higher concentration of nitrogen as compared to the hydrogen product stream.

SINGLE CRYSTALLINE TA3N5 NANOPARTICLES MODIFIED WITH A MOX COCATALYST, A CATALYST, METHODS FOR WATER SPLITTING USING THE CATALYST, AND METHODS TO MAKE SAME

Absstract of: US2025161923A1

Tantalum nitride and specifically a novel Ta3N5 nanoparticles, such as single crystalline Ta3N5 nanoparticles, are disclosed. The nanoparticles used with a co-catalyst is further disclosed. The present invention also relates to Ta3N5 nanoparticles modified with a metal oxide, such as a CoOxcocatalyst, wherein Ox represents an oxide that is part of the cobalt oxide. A catalyst, such as for water oxidation to produce O2, is disclosed. The nanoparticles can further be modified to include a water reducing catalyst. A water splitting catalyst is further disclosed. Methods of making the nanoparticles and catalyst are also disclosed. Methods to split water utilizing the catalyst are further described.

ELECTROLYZER SYSTEM INCLUDING SINGLE MASS FLOW CONTROLLER FOR MULTIPLE HYDROGEN GENERATION MODULES AND METHOD OF OPERATING THEROF

Absstract of: US2025163597A1

A method of operating an electrolyzer system includes providing steam from a steam source through a system steam conduit to module steam conduits located in respective electrolyzer modules, controlling a flow rate of the steam through the system steam conduit using a system mass flow controller located on the system steam conduit, providing portions of the steam to the module steam conduits and providing steam in the module steam conduits to respective stacks of electrolyzer cells located in respective hotboxes in the respective electrolyzer modules, and operating the stacks to generate a hydrogen product stream and an oxygen exhaust stream.

ELECTROLYZER SYSTEM INCLUDING A HEAT PUMP AND METHOD OF OPERATING THEREOF

Nº publicación: US2025163594A1 22/05/2025

Applicant:

BLOOM ENERGY CORP [US]
BLOOM ENERGY CORPORATION