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1130
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Updated on
16/07/2026 [07:24:00]
Results 725 to 750 of 1130
Absstract of: DE102024135927A1
Die Erfindung betrifft eine Elektrode (10) mit einem als Drahtgewebe (12) ausgebildeten Metallsubstrat (14) sowie eine Elektrolysezelle (100) umfassend eine solche Elektrode.
Absstract of: US2024426000A1
0000 The present disclosure introduces systems and related methods. Each system includes a first water electrolysis subsystem and a second water electrolysis subsystem. The first water electrolysis subsystem electrolyzes water to produce hydrogen and waste thermal energy. The second water electrolysis subsystem electrolyzes water to produce hydrogen utilizing the waste thermal energy produced by the first water electrolysis subsystem.
Absstract of: EP4752265A1
A control method and apparatus for a hydrogen production system. The method comprises: for each electrolytic cell, performing evaluation to obtain energy efficiencies of the electrolytic cell under load currents; for each electrolytic cell, converting the energy efficiencies of the electrolytic cell under the load currents into an energy efficiency value of the electrolytic cell; and ranking the electrolytic cells in descending order according to the energy efficiency values of the electrolytic cells, and performing power distribution on the electrolytic cells on the basis of the ranking. In the present solution, current efficiencies corresponding to load currents are obtained on the basis of bypass currents under the load currents, energy efficiencies corresponding to the load currents are obtained on the basis of the current efficiencies and the voltage efficiencies, the energy efficiencies are converted into energy efficiency values, and power distribution is performed on electrolytic cells on the basis of the energy efficiency values, thereby achieving the purpose of controlling the power distribution for electrolytic cells in a hydrogen production system on the basis of accurate energy efficiencies of the electrolytic cells.
Absstract of: GB2644813A
The present application belongs to the field of hydrogen preparation and storage equipment. Disclosed are a magnesium-based solid hydrogen storage alloy in-situ hydrogen absorption and hydrolytic hydrogen production device, and the use thereof. The device provided in the present application can achieve controllable hydrogen charging and hydrolytic hydrogen production of a magnesium alloy material in the same tank, thereby greatly improving the hydrolytic hydrogen production efficiency of a magnesium hydrogen storage material and shortening the manufacturing time of a system. In the device, hydrogen can be directly introduced into a stainless steel tank (1), such that hydrogen is absorbed by a magnesium alloy, so as to generate a hydrogenated magnesium alloy, and water is introduced when hydrogen is required for use later to hydrolyze the hydrogenated magnesium alloy, so as to produce hydrogen. During the process, the magnesium alloy does not need to be taken out and exposed to air after hydrogen absorption, nor needs to be further treated, and the hydrogen absorption and hydrolytic hydrogen production of the magnesium alloy can be finished stepwise in the same device, this process greatly saving on the manufacturing time and cost of a hydrolytic hydrogen production tank.
Absstract of: WO2025067764A1
The invention relates to an offshore electrolysis system (100) comprising: a wind turbine (1) with a platform (3) and with an electrolysis plant (5) which is arranged on the platform (3) and is connected to the wind turbine (1) in order to supply electrolysis current; and a heat supply device (7) which is coupled to the electrolysis plant (5) and has a combustion device (13), wherein a fuel reservoir (15) is connected to the heat supply device (7) such that, during a standstill mode, heat generated by means of the combustion device (13) can be transferred to the electrolysis plant (5) so as to maintain the temperature above a minimum temperature. The invention also relates to a method for operating a corresponding offshore electrolysis system (100), wherein, during a standstill mode, heat is generated by means of the heat supply device (7) and transferred to the electrolysis plant (5) so as to maintain the temperature above a minimum temperature and prevent freezing of water-carrying components of the electrolysis plant (5).
Absstract of: WO2024237512A1
Provided in the present invention is a method for manufacturing an anion exchange membrane water electrolysis system, comprising the steps of: separately manufacturing a preliminary reduction electrode and an oxidation electrode; interposing an anion exchange membrane between the preliminary reduction electrode and the oxidation electrode so as to manufacture a preliminary membrane-electrode assembly; and supplying an alkali aqueous solution to the preliminary membrane-electrode assembly and activating the preliminary reduction electrode, wherein: the preliminary reduction electrode has a Ni to Mo molar ratio of 1:1 to 6:1 and includes NiMO-based alloy particles having an Mo oxidation number of 4 +, 5 +, or 6 +; and the activation occurs by applying a current at a current density of 25 to 200 mA/cm^2 and maintaining the current at 50 to 60℃ for 90-360 minutes. The anion exchange membrane water electrolysis system manufactured through the manufacturing method exhibits improved durability and efficiency together with excellent water electrolysis performance.
Absstract of: CN122128734A
本发明公开了一种固态聚合物膜电解槽及其水气传输流场板，包括流场板本体、进水口与出水口区、扰流区、汇流区以及流道区；进水口与出水口在入口与出口端均设有分配器与导流坡度；所述扰流区与汇流区设置月牙形凸台结构；流道区分为上下游两部分，上游流道区采用周期收缩流道并在非收缩区域设置圆形凸台结构，下游流道区在肋板两侧设置气泡破碎倒刺结构。本发明通过进出口结构优化促进电解液的分配与收集；上游流道区通过周期性收缩及圆形凸台结构提高局部流速并实现气泡初步分散，同时下游流道的气泡破碎倒刺结构实现气泡的二次破碎与快速脱离，减少流道内部阻塞，显著提高水气分布均匀性，提升电解性能。
Absstract of: WO2025053761A1
The present invention relates to a water electrolyser system for production of compressed hydrogen, comprising a water electrolyser stack, a multiphase pump arranged downstream of the electrolyser stack and a hydrogen gas/liquid separator. The multiphase pump is arranged between the water electrolyser stack and the hydrogen gas/liquid separator. The present invention also relates to a method for production of compressed hydrogen in a water electrolyser system including: supplying deionized water or liquid electrolyte to a water electrolyser stack; producing hydrogen in a water electrolyser stack; compressing a mixture of produced hydrogen and entrained deionized water or liquid electrolyte in a multiphase pump; and separating the compressed mixture of produced hydrogen and entrained deionized water or liquid electrolyte in a hydrogen gas/liquid separator.
Absstract of: WO2025114700A1
A process for preparing an oxygen evolution reaction (OER) catalyst comprises an oxygenated iridium component supported on a particulate solid support, which process comprising the steps of: (i) forming an aqueous mixture comprising a particulate solid support and a solution of a halide-free metal iridate; (ii) reducing the pH of the aqueous mixture to ≤ 5.0 to precipitate an oxygenated iridium component onto the particulate solid support; and (iii) isolating the product of step (ii).
Absstract of: US2024360574A1
0000 A family of catalysts for oxygen evolution reaction (OER) in alkaline condition is disclosed. The catalysts utilize elements which are abundant on earth, leading to lower costs compared to IrO<2 >catalysts. The catalysts can be used in the anode of an anion exchange membrane-based water electrolyzer. The family of new catalysts comprises Ni, Fe, M, B, and O, where M is a metal from Group VIB, Group VIII, and elements 57-71 of the Periodic Table. The catalyst has a layered double hydroxide structure. Methods of making the catalysts are also described.
Absstract of: WO2022240954A1
Herein discussed is a method of producing hydrogen comprising introducing a metal smelter effluent gas or a basic oxygen furnace (BOF) effluent gas or a mixture thereof into an electrochemical (EC) reactor, wherein the EC reactor comprises a mixed-conducting membrane. In an embodiment, the method comprises introducing steam into the EC reactor on one side of the membrane, wherein the effluent gas is on the opposite side of the membrane, wherein the effluent gas and the steam are separated by the membrane and do not come in contact with each other.
Absstract of: CN122124843A
本发明涉及光催化剂技术领域，具体涉及一种Ni单原子/磷/g‑C3N4复合材料及其制备方法与应用。本发明提供的Ni单原子/磷/g‑C3N4复合材料，以中空管状g‑C3N4为基体，同时掺杂磷和Ni单原子。结果表明同时掺杂磷和Ni单原子能够有效调控g‑C3N4电子构型，拓展可见光吸收，并促进电荷分离与转移。Ni单原子/磷/g‑C3N4复合材料的产氢速率可达2707.7 μmol h‑1g‑1，分别约为纯g‑C3N4（615.4 μmol h‑1g‑1）、磷掺杂g‑C3N4复合材料（1602.2 μmol h‑1g‑1）和Ni单原子掺杂g‑C3N4复合材料的4.4、1.7和1.5倍；其在400 nm下的表观量子效率为8.8%，并在6个光催化产氢循环中表现出优异稳定性。
Absstract of: CN122130789A
0001 本发明公开一种基于电化学发光淬灭的氧析出反应催化剂筛选方法。将待测催化剂负载于工作电极后，加入含Ru(bpy)<3>2+ /Hepes的电解液中；施加阳极电位激发ECL，催化剂加速OER生成O<2>，O<2>淬灭ECL信号，信号强度与催化活性呈负相关。本方法可在单电极成像阵列上并行检测，实现高通量、可视化、定量筛选，适用于多金属氧酸盐、氧化物等多种OER催化剂，具有快速、低成本、易操作等优点。
Absstract of: KR20260080654A
Z-scheme 광촉매 복합체 박막 및 그의 제조방법이 개시된다. 본 발명은 제1 금속산화물을 포함하는 산화용 광촉매 박막층; 상기 산화용 광촉매 박막층 상에 형성되고, 환원그래핀옥사이드(rGO)를 포함하는 전하 재결합층; 및 상기 전하 재결합층 상에 형성되고, 제2 금속산화물을 포함하는 환원용 광촉매층; 을 포함하고, 상기 제1 금속산화물은 상기 제2 금속산화물과 다른 종류인 것인, 광촉매 복합체 박막에 관한 것으로, 본 발명의 광촉매 복합체 박막은 수소 생산 효율을 향상시킬 수 있다.
Absstract of: CN122128916A
本发明提供一种碱性电解水制氢用复合隔膜的制备方法及装置，属于碱性电解水技术领域。所述制备方法包括以下步骤：（1）将聚合物、溶剂和颗粒填料搅拌混合均匀，得到制膜浆液；（2）将多孔格网进行等离子体处理，得到表面均方根粗糙度不低于200 nm的多孔格网；（3）将经真空脱泡的制膜浆液同时且等量的均匀涂敷在步骤（2）所得的多孔格网两侧，涂敷时多孔格网竖直放置，涂敷后得到初生隔膜；（4）将步骤（3）所得初生隔膜以垂直于凝胶浴液面的方向进入凝胶浴进行相转化，固化成膜后再进行水洗、收卷，得到碱性电解水制氢用复合隔膜。本发明所得复合隔膜压缩强度高、附着力高、质量磨耗损失率低，特别适用于加压型电解槽中。
Absstract of: CN122124846A
本发明公开了一种核壳结构催化剂及其制备方法和用于光催化分解硫化氢的方法，属于硫化氢催化分解技术领域。本发明的核壳结构催化剂包括Cu金属纳米颗粒核结构和包裹在所述Cu金属纳米颗粒核结构外侧的氮掺杂碳壳层结构，表示为Cu@N‑C催化剂。本发明提供的Cu@N‑C催化剂在光催化条件下能够直接催化硫化氢分解生成氢气和硫磺，具有高产氢速率和较好的稳定性，且可以通过简单的热活化完全恢复催化活性。
Absstract of: WO2025143197A1
This cathode for water electrolysis includes a catalyst part and a reverse current absorber that is electrically connected to the catalyst part, wherein the reverse current absorber contains a hydrogen storage alloy, and the hydrogen storage alloy contains Al.
Absstract of: WO2025051652A1
The invention relates to a method for operating an electrolysis plant (1), comprising a stack (2) having 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) with an integrated pump (6), said water being split in the stack (2) by electrolysis into hydrogen and oxygen, and wherein the hydrogen produced by electrolysis is supplied to a gas-liquid separator (8) via a cathode outlet (10) of the stack (2) and a media line (7) connected thereto. According to the invention, when the electrolysis plant (1) is switched off, the current density is reduced to 0 A/cm² and the media line (7) is shut off with the aid of a valve (9), while the anode (3) continues to be supplied with water via the water circuit (5) with the aid of the pump (6). 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.
Absstract of: WO2023208776A1
A separator for alkaline electrolysis (1) comprising a porous support (10), a first porous layer (20b) provided on one side of the porous support and a second porous layer (30b) provided on the other side of the porous support, wherein the first and the second porous layer are partially impregnated into the porous support and each have an overlay thickness d1 and d2 respectively, said overlay thickness being defined as the part of each porous layer which is not impregnated into the porous support, characterized in that a) d1 is smaller than the overlay thickness of the second porous layer (d2), and b) d1 is at least 20 µm.
Absstract of: EP4470969A1
The proposed invention concerns a process (100) for producing a cracked gas product comprising hydrogen from an endothermic cracking reaction of an ammonia feedstock stream, comprising the following steps:• Providing an ammonia feedstock stream (101),• In a main reactor, converting the ammonia feedstock stream into a cracked gas product by performing a main endothermic cracking conversion (102) of said ammonia feedstock stream, the cracked gas product comprising hydrogen, nitrogen and a remaining unconverted portion of ammonia,• In a secondary reactor, performing a secondary endothermic cracking conversion (104) of the remaining unconverted portion of ammonia into a hydrogen enriched fuel gas,• Redirecting the hydrogen enriched fuel gas to a fuel device (105), in particular comprising a burner, arranged to perform a combustion reaction (111) of said hydrogen enriched fuel gas, potentially with an additional fuel gas stream,• Heating the main endothermic cracking conversion (112) with heat provided by said combustion.
Absstract of: CN122124837A
0001 本发明公开了一种氧掺杂氮化碳/氧化镱（OCN/Yb<2>O<3>）异质结光催化剂及其制备方法和应用，属于光催化材料技术领域。将碳酰肼热处理得中间体HTIC；再将HTIC与Yb<2>O<3>及水溶性熔盐均匀混合，经熔盐热处理即得目标催化剂OCN/Yb<2>O<3>。该法工艺简单、熔盐可水洗回收，环境友好且成本低。本发明所得OCN/Yb<2>O<3>光催化剂光谱响应宽、载流子分离和迁移效率高，在可见光下表现出优异的全水分解活性，应用前景广阔。
Absstract of: CN122128733A
本发明公开了一种光伏、电解水制氢一体化集成装置，包括光伏发电模块、电解制氢模块、智能匹配控制模块、余热回收模块以及一体化承载壳体；所述光伏发电模块铺设于一体化承载壳体的顶部外表面，用于将太阳能转化为直流电；采用大宽幅阴离子交换膜和高效镍基复合催化剂，电解槽工作电流密度可在100‑1000mA/cm2范围内灵活调节，析氢过电位低至1.2V，制氢效率高；同时通过波纹板分离和分子筛干燥实现氢氧高效分离和氢气深度干燥，产出氢气纯度≥99.99%，含水量≤10ppm，满足工业级和民用级氢能应用需求。
Absstract of: CN122124948A
0001 本发明涉及电化学材料制备技术领域，具体公开一种通过焦耳热效应大规模制造高性能水电解电极的装置，包括机架本体、放卷辊、收卷辊及传输于其间的导电载体输送带，沿输送带移动方向依次设置有喷涂单元、预干燥单元和焦耳加热单元。焦耳加热单元包括分别电连接至直流电源正负极的第一导电辊和第二导电辊，当其与移动的导电载体输送带接触时，电流流经输送带产生焦耳热，促使负载于其表面的前驱体发生热化学反应。该装置实现了从喷涂、预干燥到高温反应的一体化流水作业；同时，基于焦耳效应的直接、瞬时与局部加热方式，极大降低了热能损耗，并促使催化剂前驱体在导电载体表面原位反应与牢固结合，有效提升了电极的催化活性与长期稳定性。
Absstract of: CN122124822A
0001 本发明公开了一种基于ZnIn<2>S<4>/MoS<2>Ⅱ型异质结分解水产氢并可降解抗生素污染物光催化剂的制备方法，所述制备方法首先制备得到ZnIn<2>S<4>，然后在ZnIn<2>S<4>存在的情况下通过加入Mo源和S源，进一步转化为ZnIn<2>S<4>/MoS<2>，从而得到基于ZnIn<2>S<4>/MoS<2>的II型异质结可见光催化剂。本发明所制备的ZnIn<2>S<4>/MoS<2>催化剂可以高效地在可见光下催化水分解产氢和降解抗生素，且制备方法简单，成本低，适用大面积推广应用。
Nº publicación: CN122124731A 02/06/2026
Applicant:
钇氢（北京）科技有限公司
Absstract of: CN122124731A
0001 本发明公开了一种管式光催化反应装置，属于光反应设备技术领域。该种管式光催化反应装置包括支撑框架，包括水平设置的顶板、底板以及竖直设置的若干支撑柱，支撑框架外侧套设有外侧罩；反应组件，包括光源管和若干透明玻璃反应管，光源安装于顶板和底板之间位于底板中心处，顶板和底板相互远离一侧均设有回水分路器，顶板和底板上固定设置有用于安装透明玻璃反应管的反应管座，反应管座内开设有环形密封槽；分离反应器，包括反应桶、分离桶和搅拌器，分离桶和搅拌器均置于反应桶内；在运行中，反应介质冲击转动的分离桶锥面，产生离心分离效应，气体高效分离并收集，而搅拌器持续混合溶液，防止催化剂沉淀，催化效率提升。
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