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937
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Updated on
05/04/2026 [07:02:00]
Results 250 to 275 of 937
Absstract of: CN121653688A
本申请公开了一种制氢系统，属于电解制氢技术领域。制氢系统，包括：电解槽；第一通路，第一通路包括第一加热器和用于储存纯水的储罐，第一加热器用于给流经其上的纯水加热，第一通路可选择性地与电解槽连通；第一气液分离器，第一气液分离器的进口和出口均可选择性地与电解槽连通；其中，制氢系统具有第一工作模式，在制氢系统处于第一工作模式的情况下，第一气液分离器的进口和出口均被配置为与电解槽断开，第一通路被配置为与电解槽连通且第一加热器工作。根据本申请的制氢系统，可在电解槽冷启动时提高电解槽升温效率，同时减小第一加热器加热过程中的能耗，并在制氢系统处于待机状态时，可维持电解槽的温度。
Absstract of: CN121651455A
本公开涉及一种镍铁双金属氢氧化物催化剂及其制备方法与应用，在所述催化剂的XRD图中，仅在2θ为30~40°之间有非晶态峰包，且在所述催化剂的Raman图中，在460~480 cm‑1和540~550 cm‑1处分别存在特征峰。本公开的催化剂该镍铁氢氧化物催化剂为非晶态，催化剂形貌呈现纳米片状颗粒，且具备NiOOH的活性物质，在碱性电解水析氧反应中具有较高的活性和优异的稳定性。
Absstract of: CN121653749A
本发明公开了一种双齿配体支撑的共价有机框架析氢催化剂及其制备方法和应用，将1,3,5‑三甲酰基间苯三酚与邻苯二胺加入到有机溶剂Ⅰ中混合均匀，脱气后加入酸催化剂进行反应，反应结束后将得到的滤固经有机溶剂Ⅱ洗涤并干燥，得到共价有机框架，将其与金属盐加入到有机溶剂Ⅰ中混合均匀，脱气后加入酸催化剂进行反应，反应结束后将得到的滤固经有机溶剂Ⅱ洗涤并干燥，得到金属掺杂共价有机框架，将其与双齿配体加入到有机溶剂Ⅰ中混合均匀，脱气后加入酸催化剂进行反应，反应结束后将得到的滤固经有机溶剂Ⅱ洗涤并干燥，即为所要制备的双齿配体支撑的共价有机框架析氢催化剂。本发明制备方法简易，合成周期短，制备成本低，对环境非常友好。
Absstract of: CN121653711A
本发明公开了一种镍铁基催化电极的制备方法及应用，该镍铁基催化电极的制备方法包括：将第一纯镍材料作为阴极，第二纯镍材料作为阳极并对所述第一纯镍材料进行预处理；将镍盐溶液、铁盐溶液和添加剂混合搅拌均匀并调节pH至酸性，得到电镀液；将所述电镀液转移至电镀槽并将所述第一纯镍材料和第二纯镍材料浸入电镀液中，在20至30 ℃温度下，以20至60 mA/cm2的电流密度对所述第一纯镍材料恒电流电沉积20至40 min，以在所述第一纯镍材料表面形成镍铁基催化层；将表面形成镍铁基催化层的第一纯镍材料清洗并烘干，得到镍铁基催化电极。该制备方法通过控制电沉积电流密度及时间可以有效地避免因铁沉积量过多导致催化层性能不佳的问题。
Absstract of: CN121653718A
本发明涉及电解水制氢技术领域，尤其是涉及一种富含Pt‑C键的催化剂及其制备与应用。本发明首先将含Pt原料浸渍在碳材料上，后处理后得到Pt‑C前驱体；然后将上述得到的Pt‑C前驱体研磨后置于水蒸气氛围中，利用惰性气体产生的等离子体进行低温还原处理，得到富含Pt‑C键的催化剂。本发明提供的方法简单、处理温度低、处理速度快、电子能量高、步骤简单、安全可靠、不使用有毒试剂；所制备得到的富含Pt‑C键的催化剂可在全pH范围下应用于电催化产氢，远优于现有商用铂催化剂。
Absstract of: CN121653751A
本发明公开了一种基于改性氧化铈的碱性电解水制氢隔膜及其制备方法，涉及碱性电解水制氢隔膜技术领域。通过酸溶液对二氧化铈进行改性处理，然后将其分散于聚砜树脂、N‑甲基吡咯烷酮、聚乙烯吡咯烷酮的混合溶液制备得到铸膜液。将聚苯硫醚网浸润铸膜液中，通过刮涂确定厚度，然后预蒸发，通过去离子水中进行相转化，清洗，获得所述隔膜。本发明工艺简单，所制备隔膜表面均匀平整，在强碱性电解环境中兼具高化学惰性、亲水特性、保障氢氧根离子高效迁移通道，且具备低面电阻。
Absstract of: CN121653734A
本发明提供了一种自支撑碳氧化钼催化剂及其制备方法和应用，所述制备方法主要包括以下步骤：1）加热不锈钢网；2）将不锈钢网在尿素和含钼盐溶液中进行淬火反应引入钼源和碳源；3）交替加热不锈钢网和淬火过程，得到生长含碳的氧化钼纳米片作为前驱体；4）将含碳的氧化钼纳米片前驱体在惰性气氛保护下，通过闪蒸焦耳技术进行快速瞬时加热处理，获得自支撑碳氧化钼催化剂。本发明提供的自支撑碳氧化钼催化剂呈现二维超薄纳米片结构，该纳米片富含氧缺陷具备超亲水能力，能有效增强水分子的吸附并降低析氢反应中间体转化的能量势垒。该方法工艺流程短，制备效率高，适合规模化工业生产，在电解水制氢领域展现出巨大的发展潜力。
Absstract of: CN121653732A
本发明属于电催化材料技术领域，公开了一种锡掺杂非晶态羟基氧化镍铁电催化剂及其制备方法与应用。本发明提供了合成锡掺杂非晶态羟基氧化镍铁电催化剂的方法，摒弃贵金属元素，以铁、锡等廉价金属为主要原料，结合低温水热法与快速浸泡工艺，显著降低能耗与设备投入，避免传统高温煅烧或复杂溶剂热步骤，工艺流程可控性强，适合规模化生产。本发明不仅制备出了电催化活性高、稳定性优异的锡掺杂非晶态羟基氧化镍铁电催化剂，无高污染副产物，且泡沫镍基底可直接作为电极使用，省去后续负载工序，大幅缩短制备周期，具备良好的工业推广前景。
Absstract of: CN121653684A
本申请记载了一种隔膜及其制备方法、电解水装置以及应用。隔膜的制备方法包括以下步骤：在支撑层的一侧表面或两侧表面形成铸膜液的液膜；对形成有所述液膜的所述支撑层进行相转化处理，固化所述液膜，制备复合膜，将所述复合膜置于助交联溶液中进行助交联处理，制备所述隔膜；其中，所述助交联溶液包括助交联剂。本申请提供的隔膜通过优化制备流程，在复合膜制备完成后浸入助交联剂溶液的后处理可以优化复合膜各层结构间界面相容性，可以提高隔膜的耐高温的稳定性。
Absstract of: CN121653754A
本公开提供了一种制氢系统的控制方法、装置、电子设备、介质及程序产品，控制方法包括：基于混合预测模型获取风光出力预测功率；构建制氢系统多状态模型；基于风光出力预测功率融合制氢系统多状态模型，构建多级优化框架；基于多级优化框架获取制氢系统中各电解槽的制氢分配量。本公开基于风光出力预测功率融合制氢系统多状态模型，构建多级优化框架；并基于多级优化框架获取制氢系统中各电解槽的制氢分配量，提高了风光出力预测精度低和系统运行效率，降低了运行维护成本。
Absstract of: WO2026048251A1
This water electrolysis device comprises: a water electrolysis stack that has a water electrolysis cell having a solid polymer electrolyte membrane disposed between a pair of separators, and that electrolyzes an electrolytic solution by using the water electrolysis cell; a power supply unit that is electrically connected to the water electrolysis stack; an electrolytic solution path that circulates and supplies the electrolytic solution to the water electrolysis cell; a first temperature sensor that is capable of measuring an inlet temperature of the electrolytic solution flowing through an inlet of the water electrolysis stack; a second temperature sensor that is capable of measuring flow-path outlet temperatures of the electrolytic solution flowing through outlets of a plurality of flow paths formed in electrolysis units of the separators; and a control unit that performs, on the basis of the inlet temperature from the first temperature sensor and the flow-path outlet temperatures from the second temperature sensor, control on the electrolysis units to regulate at least one of the flow rate, temperature, and electric current of the electrolytic solution so as to lower a temperature that has increased in a portion of the electrolysis units of the separators.
Absstract of: WO2026048255A1
A water electrolysis cell and a water electrolysis system comprising: an ion exchange membrane; a cathode-side catalyst layer disposed on one side of the ion exchange membrane; an anode-side catalyst layer disposed on the other side of the ion exchange membrane; and a metal impurity removal layer disposed between the ion exchange membrane and the cathode-side catalyst layer and/or between the ion exchange membrane and the anode-side catalyst layer.
Absstract of: CN120004436A
The invention relates to the technical field of industrial solid waste comprehensive treatment, and discloses a water treatment method and system after secondary aluminum ash hydrogen production, and the method comprises the following steps: collecting hydrolysate after secondary aluminum ash hydrogen production to obtain high saline-alkaline ammonia nitrogen hydrolysate; carrying out ammonia-nitrogen separation on the high-salt-alkali ammonia-nitrogen hydrolysate to obtain a gas phase and a first-stage liquid phase; dissolving carbon dioxide in the first-stage liquid phase until a specified pH value is reached to obtain a second-stage liquid phase; dissolving carbon dioxide in the second-stage liquid phase until the specified pH value is reached to obtain a third-stage liquid phase; adding an extracting solvent into the third-stage liquid phase, dissolving carbon dioxide until the specified pH value is reached, and extracting and separating to obtain a fourth-stage liquid phase of an organic phase and a fourth-stage liquid phase of an inorganic phase; evaporating moisture of a fourth-stage liquid phase of the inorganic phase; and carrying out back extraction separation on the fourth-stage liquid phase of the organic phase to obtain an inorganic liquid phase and an organic liquid phase. By adopting the method, aluminum hydroxide and various valuable salts can be efficiently recovered, and the obtained product is rich and high in value.
Absstract of: WO2026054416A1
A method for producing a catalyst for ammonia decomposition according to an embodiment of the present invention comprises the steps of: preparing an aqueous metal precursor solution and a porous support; and forming a metal-support composite by supporting a metal of the aqueous metal precursor solution on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst for ammonia decomposition. A catalyst for ammonia decomposition according to another embodiment of the present invention comprises: a porous support; and a metal supported on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst.
Absstract of: US2025263322A1
Methods, systems and devices for PFAS destruction including adding a sulfite salt to an aqueous solution containing PFAS and then irradiating the aqueous solution with light at 222 nm. The method may include adding a base to the aqueous solution in an amount sufficient to raise a pH of the aqueous solution including PFAS to about 10 or more. It may also include adding a halide salt such as a bromide salt or an iodine salt, and further adding a carbonate. Greater than 90%, or greater than 99%, of the PFAS in the solution may be destroyed by irradiating the aqueous solution in this way.
Absstract of: WO2026048903A1
A titanium porous body according to the present invention comprises a powder sintered body and is formed in a sheet shape having a thickness of 200 μm or greater. In the titanium porous body, holes present in a cross-section extending along the thickness direction have an average aspect ratio of 3.2 or higher, the aspect ratio being calculated as a ratio of the thickness-direction length of a hole to the width-direction length of the hole, within a visual field measuring 200 μm × 200 μm in the cross-section.
Absstract of: CN121653708A
本发明属于电催化领域，尤其涉及一种过渡金属氮化物CuInP2Nx、制备方法、应用。本发明将Cu、In、P、S置于真空环境中，于600‑750℃下反应2‑8天制备得到CuInP2S6，将CuInP2S6进行纳米化处理得到CuInP2S6纳米片；CuInP2S6纳米片在氨气氛围下进行氮化，得到过渡金属氮化物CuInP2Nx。原料不含贵金属，成本低廉且易获得；过渡金属氮化物CuInP2Nx的制备过程简单，设备条件容易满足。将本发明得到的CuInP2Nx用于电催化分解水的阳极析氧反应(能够取得良好的催化效果，达到商用IrO2水准；且长期使用后性能未发生明显衰减，稳定性明显优于商用IrO2。
Absstract of: WO2026055325A1
A system for producing hydrogen gas comprising: a heat exchanger module; the heat exchanger comprising: a warming module; and a boiler; a converter module; the converter module comprising a superheater, vaporizer, and/or compressor; an electrolyzer in communication with the converter module; and the electrolyzer in communication with the heat exchanger module. A method for producing hydrogen gas comprising: passing a working fluid into a heat exchanger module comprising warming module and a boiler to form a vapor-phase working fluid; passing the vapor-phase working fluid into a converter module comprising a superheater, vaporizer, and/or compressor to form a converted working fluid; passing the converted working fluid into an electrolyzer to form hot hydrogen gas and hot oxygen gas; passing the hot oxygen gas and/or hot hydrogen gas into the heat exchanger module.
Absstract of: WO2026054606A1
The present invention relates to a porous water electrolysis separation membrane using a boron nitride compound. More specifically, the porous water electrolysis separation membrane comprises a porous polymer support and a boron nitride compound inserted into the inside of the porous polymer support or formed on a surface thereof. The water electrolysis separation membrane according to the present invention as described above exhibits excellent heat resistance and stability and has smaller pore sizes, thereby reducing the permeability of hydrogen and oxygen and achieving high hydrogen gas purity. In addition, with a reduced thickness, the water electrolysis separation membrane exhibits low sheet resistance and thus increases current density to improve electrolytic cell efficiency.
Absstract of: WO2026054416A1
A method for producing a catalyst for ammonia decomposition according to an embodiment of the present invention comprises the steps of: preparing an aqueous metal precursor solution and a porous support; and forming a metal-support composite by supporting a metal of the aqueous metal precursor solution on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst for ammonia decomposition. A catalyst for ammonia decomposition according to another embodiment of the present invention comprises: a porous support; and a metal supported on the surface of the porous support using a cyclic voltametric electrodeposition method, wherein the content of the metal may be 0.3-3.0 wt% on the basis of the total weight of the catalyst.
Absstract of: WO2026054554A1
The present invention relates to an electrode for water electrolysis and a method for manufacturing same, the electrode comprising a metal substrate and a catalyst layer formed on at least one surface of the metal substrate, wherein the catalyst layer includes CoxFeyO4 (0≤x≤4, 0≤y≤3) and satisfies formula 1.
Absstract of: WO2026050800A1
The invention provides a membrane electrode assembly for an electrochemical hydrogen compressor, the membrane electrode assembly comprising a proton exchange membrane arranged between an anode and a cathode, wherein the anode comprises an electrocatalyst for dihydrogen oxidation and the cathode comprises an electrocatalyst for proton reduction, and wherein the proton exchange membrane comprises a semicrystalline polymeric matrix comprising a hydrophilic polymer and particles of an inorganic metal compound dispersed in the semicrystalline polymeric matrix.
Absstract of: JP2026043106A
【課題】セルスタックの集積率を向上させるとともに高温環境の下でセルスタックに圧縮荷重を安定的に負荷させる水素製造技術を提供する。【解決手段】水素製造装置１０は、加熱炉１２の内部の架台１５に固定されるガス流路１１と、ガス流路１１を上下方向から挟み込むように集積される複数のセルスタック２１（２１ａ，２１ｂ，２１ｃ，２１ｄ）と、最下部に位置するセルスタック２１ｄの下部プレート２３に下先端が固定されかつその上部プレート２２を貫通するとともにその他のセルスタック２１（２１ａ，２１ｂ，２１ｃ）の下部プレート２３及び上部プレート２２を貫通する複数のタイロッド２５と、各々のタイロッド２５の上先端を結束する結束プレート２６と、結束プレート２６に設けられ最上部に位置するセルスタック２１の上部プレート２２を付勢する付勢手段３０と、を備える。【選択図】図３
Absstract of: JP2026043978A
【課題】水素生成光触媒を用いて、可視光照射下においても水を効率的に水素と酸素に分解できる方法を提供すること。【解決手段】本発明の光による水分解方法は、一種類の光触媒を含み、酸化還元能を有する化合物が溶解した水溶液に対して光を照射する方法である。【選択図】図３
Nº publicación: JP2026043931A 12/03/2026
Applicant:
株式会社東芝
Absstract of: WO2026048152A1
Provided are a structure and a reduction device capable of more efficiently generating hydride ions. A structure according to an embodiment of the present invention comprises a first electrode, a second electrode, and an electrolyte. The first electrode and the second electrode are porous and allow a fluid to pass therethrough. The electrolyte is a solid disposed between the first electrode and the second electrode. The electrolyte is electrically connected to the first electrode and the second electrode. Hydride ions can move through the electrolyte.
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