Alerta

液体供給流から水素と酸素を発生する方法

Resumen de: CN121039323A

A method of generating hydrogen and oxygen from a liquid feed stream by an integrated system of forward osmosis and electrolysis is disclosed wherein the method comprises the steps of feeding water into an electrolyte solution by means of forward osmosis and applying a voltage across the electrolyte solution to generate hydrogen and oxygen, characterized in that the electrolyte solution comprises an electrolyte, an ionic liquid and a solvent wherein the electrolyte is used in an amount ranging from 1 wt% to 10 wt% of the electrolyte solution and wherein the ionic liquid is used in an amount ranging from 1 wt% to 5 wt% of the electrolyte solution, and wherein the solvent is used in an amount ranging between 75 wt% and 99 wt% of the electrolyte solution.

水素発生装置

Resumen de: JP2026013294A

【課題】急激な水素の生成を抑制できる水素発生装置を提供する。【解決手段】水素発生装置は、下部に設けられた収容部に反応液と反応して水素ガスを発生させる水素生成燃料体が収容される密閉容器と、密閉容器の上部に設けられ、反応液を貯留する反応液タンクと、収容部の上部に配置され、反応液を分散して水素生成燃料体へ供給する受け皿と、反応液タンクと受け皿との間を上下移動可能に配置された可動板と、反応液タンクの底部に設けられ、反応液タンクに貯留した反応液を密閉容器内に落下させる流出口と、可動板に取り付けられ、可動板の上下移動で流出口を開閉する止水弁と、収容部内で発生し、受け皿と可動板との間に流出した水素ガスを外部に排出する水素排出部と、を有する。【選択図】図１

OFFSHORE HYDROGEN PRODUCTION SYSTEM

Resumen de: WO2024193977A1

The invention relates to an offshore hydrogen production system (100, 200), comprising a plurality of offshore hydrogen production wind turbines (102, 202, 240), in each case comprising a wind turbine (106, 206) and a micro-electrolysis system (104, 204), at least one first central offshore treatment structure (108, 208), comprising at least one water treatment plant (110, 210) designed to treat water for hydrogen production, and at least one interconnected medium network (118, 218) arranged between the plurality of offshore hydrogen production wind turbines (102, 202, 240) and the first central offshore treatment structure (108, 208). The interconnected medium network (118, 218) comprises at least one water supply network (120, 220) designed to supply the micro-electrolysis systems (104, 204) with the treated water.

CYLINDRICAL HYDROGEN PRODUCTION CELL

Resumen de: EP4685272A2

L'invention se rapporte à une Cellule électrochimique (CEC) comprenant une première électrode (A0) de forme cylindrique et une deuxième électrode (C1) de forme cylindrique, la première électrode (A0) et la deuxième électrode (C1) partageant un même axe de révolution, le diamètre de la première électrode étant supérieur au diamètre de la deuxième électrode, de sorte que le volume (V) défini entre la face interne de la première électrode et la face externe de la deuxième électrode puisse recevoir un électrolyte, la cellule (CEC) comprenant des moyens d'obturation (D2, D3, CFo) de la base supérieure et de la base inférieure de la cellule assurant l'étanchéité de l'électrolyte, la cellule (CEC) comprenant de plus des moyens de production d'un champ magnétique (B), ledit champ magnétique étant perpendiculaire au champ électrique produit entre la première électrode (A0) et la deuxième électrode (C1).

ELECTROLYZER CELL AND ALKALINE WATER ELECTROLYZER

Resumen de: EP4685269A2

The present disclosure relates to an electrolyzer cell. A ring-shaped skeleton is provided between a first sealing ring and a second sealing ring of a sealing gasket, which is able to support the sealing gasket well, avoiding problems such as not fitting in place and excessive compression deformation of the sealing gasket. In addition, in the present disclosure, the sealing gasket, the ring-shaped skeleton, a bipolar plate, nickel meshes are combined to form the electrolyzer cell, which can effectively improve the assembly efficiency, the assembly precision and the sealing of an alkaline water electrolyzer. The electrolyzer cell has a reasonably designed structure, is suitable for long-term use in working environments with alternating pressure and temperature changes, has a long service life, and can be reused.

AN EFFECTIVE SHUTDOWN PURGE SYSTEM AND METHOD FOR ELECTROLYZER STACKS

Resumen de: EP4685271A2

An electrolysis system includes an electrolyzer stack, a water source, and a cathode-side purging system. The electrolyzer stack has an anode side and a cathode side. The water source is fluidically coupled to an inlet of the anode side of the electrolyzer stack. The cathode-side purging system is fluidically coupled to a first and second outlet of the cathode side.

ELECTROLYSIS SYSTEM AND METHOD FOR OPERATING SAME NOTWITHSTANDING OCCURRENCE OF ADVERSE OPERATIONAL EVENTS

Resumen de: EP4686026A1

Electrolysis system and method to operate said system notwithstanding occurrence of an adverse operational event are provided. Disclosed embodiments feature bypass circuitry configured to dynamically and quickly adapt the electrolysis system during occurrences of such adverse operational events and effectively inhibit the possibility of having to shut down the entire electrolysis system.

WATER ELECTROLYSIS DEVICE AND A SYSTEM COMPRISING SUCH A WATER ELECTROLYSIS DEVICE

Resumen de: EP4685890A1

The present invention relates to a water electrolysis device comprising a plurality of nanopillars. Each nanopillar has a vertical extension in relation to a plane of extension of a substrate supporting the nanopillars. Further, each nanopillar comprises a plurality of quantum dot segments of In_xGa_1-xN alloy, wherein each quantum dot segment is interposed along the vertical extension between barrier segments of GaN, wherein each quantum dot segment has a thickness of less than or equal to 20 nm along the vertical extension. Moreover, each nanopillar comprises a p-side portion constituting a photoanode and an n-side portion constituting a photocathode, wherein the photoanode comprises at least one quantum dot segment and the photocathode comprises at least one quantum dot segment, wherein the photoanode and the photocathode are separated by a depletion portion comprising GaN. A system for water electrolysis comprising such a water electrolysis device is also presented.

SULFUR PRODUCTION

Resumen de: EP4684865A2

A system includes a first chamber, a second chamber, an ultraviolet light source and a microwave source. The first chamber includes an inlet. The second chamber is adjacent the first chamber and includes an outlet and a waveguide. The ultraviolet light source resides within the waveguide of the second chamber. Related apparatus, systems, techniques and articles are also described.

MEMBRANE ELECTRODE FOR ALKALINE WATER ELECTROLYSIS FOR HYDROGEN PRODUCTION AND PREPARATION METHOD THEREFOR, AND ELECTROLYTIC CELL

Resumen de: EP4685273A1

The present disclosure provides a membrane electrode for hydrogen production by alkaline water electrolysis, a preparation method therefor, and an electrolytic cell. According to the method provided by the present disclosure, a membrane electrode with catalyst layers uniformly and firmly adhered to the surfaces of a membrane can be obtained via a direct coating and hot pressing. The membrane electrode is endowed with good stability, and the obtained membrane electrode exhibits a significantly reduced overpotential for water electrolysis. The method comprises the following steps: directly applying a catalyst slurry (catalyst slurries) onto both sides of a membrane, followed by drying and hot pressing the catalyst slurry (catalyst slurries) to form catalyst layers on each surface of the membrane to obtain the membrane electrode. The membrane is selected from a porous membrane or an alkaline anion exchange membrane; the catalyst slurry comprises a binder solution and a catalyst, wherein the binder solution is one or more selected from a perfluorosulfonic acid resin solution and a perfluorosulfonic acid ionomer dispersion, and the mass concentration of the binder solution is 5% to 30%; and the mass ratio of the binder solution to the catalyst is 1:1 to 4:1.

GAS GENERATOR FOR A WORKING TOOL AND A WORKING TOOL WITH A GAS GENERATOR

Resumen de: EP4685268A1

The invention discloses a gas generator for a working tool, comprising an electrolysis cell (150), an electrolyte, a first electrode and a second electrode, said first electrode and said second electrode are separated by at least one electrically non-conductive separator. Further, the at least one electrically non-conductive separator is connected to a wick and the first electrode is connected to a first busbar and the second electrode is connected to a second busbar.A working tool (591), comprising such gas generator is also described.

電解用の触媒インク組成物及び触媒コーティング膜

Resumen de: AU2023390125A1

Catalyst ink formulas for the preparation of CCMs are described. The catalyst ink formulas comprise a catalyst, an ionomer, a solvent, and a porogen soluble in the solvent. The catalyst ink formula may also comprise an additive, such as an electron conductive polymer. The anode catalyst coating layer or both the anode and the cathode catalyst coating layers prepared from the catalyst ink formula comprises uniformly distributed nanopores that allow easy gas removal and uniform water feed distribution, which will avoid or reduce the direct energy losses for the electrolyzers. Catalyst coated membranes and methods of making a catalyst coated membranes are also described.

一种水电解制氢系统用排污控制系统及控制方法

Resumen de: CN121407151A

本发明涉及水电解制氢系统排污技术领域，具体公开了一种水电解制氢系统用排污控制系统，包括氧气分离器、氢气分离器组、第一冷却器、第二冷却器、若干个控制阀、传感组件以及控制单元，氢气分离器组为氢气分离器、第一气液分离器、第二气液分离器、第一干燥气液分离器和第二干燥气液分离器，氢气分离器通过管道与氧气分离器连接，第一冷却器通过第一冷却管道与氧气分离器连接，第一冷却器通过管道连接有第三气液分离器，第三气液分离器连接有第一排污管道，第二冷却器通过第二冷却管道与氢气分离器连接。本发明的控制单元的联锁设定以及控制方法，确保了共用同一排污管道出口排污的多个分离器能够在同一时间段内只对一个分离器进行排污。

一种具有氧掺杂和氮空位的双缺陷g-C3N4光催化剂及其制备方法

Resumen de: CN121402113A

本发明公开了一种具有氧掺杂和氮空位的双缺陷g‑C3N4光催化剂及其制备方法，属于光催化材料技术领域，其包括以下步骤：（1）将原始g‑C3N4粉末预压成片，得到样品，然后装入高压装置的样品腔中；（2）将装有样品的高压装置置于压机中，施加压力至5.0‑6.0 GPa，然后在5.0‑6.0 GPa压力下，将温度升至200‑500 °C，并在200‑500 °C下保温保压10‑120分钟；（3）保温结束后，停止加热，将样品随炉冷却至室温，卸去压力，取出样品；（4）将取出的样品进行水洗、烘干和研磨，得到具有氧掺杂和氮空位的双缺陷g‑C3N4光催化剂。本发明在单一高温高压工艺中，同步实现了g‑C3N4的氧元素掺杂和氮空位缺陷的构建，两种缺陷位点能产生协同效应，更有效地调控光催化剂的电子结构，促进光生载流子的分离和迁移。

制氢智能循环系统

Resumen de: CN121407116A

本发明提供了一种制氢智能循环系统，涉及制氢系统技术领域，储液分离模块与工况适配模块连接，储液分离模块的两个输入端分别接入外部设备提供的去离子水和电解槽，用于接收并分离电解槽输出的气液混合物形成电解液循环回路；工况适配模块中换热器与储液分离模块连接，换热器并联有三条支路，第一支路设置第一自动阀，第二支路设置第二自动阀和去离子器，第三支路设置第三自动阀和加热器，电解槽出口输出氢气；控制模块通过控制阀的工作状态以实现冷启动工作模式、常态工作模式和去离子工作模块。上述系统构建了支持多模式切换及独立温控路径的智能循环系统架构，解决了传统系统冷启动慢、热管理粗放、水质调控被动等问题。

一种无人机用水解镁毡供氢机构

Resumen de: CN121401961A

本发明公开了一种无人机用水解镁毡供氢机构，包括固定于无人机上的水箱(1)和外壳(2)，外壳(2)内设有制氢模块(3)，水箱(1)侧面设有输水管(4)，输水管(4)上端与外壳(2)相连，外壳(2)上方设有出氢口(5)；所述制氢模块(3)包括两块端板(31)，两块端板(31)之间设有多根并排分布的螺杆(32)，螺杆(32)两端设有位于端板(31)外侧的锁紧螺母(33)，螺杆(32)上套设有多个位于两块端板(31)之间的制氢单元(34)。本发明利用镁毡与水反应现场产生氢气，直接供给无人机的氢燃料电池，不仅供氢响应快速，而且安全可靠，还可以提升无人机的续航里程。

膜电极及其制备方法、电解槽

Resumen de: CN121407149A

本申请提供一种膜电极及其制备方法、电解槽，属于电解水制氢技术领域，膜电极包括阳极催化扩散层、阴离子交换膜、导电聚合物层和阴极催化扩散层。阳极催化扩散层包括多孔金属扩散层和形成于多孔金属扩散层其中一侧的阳极催化层，阴离子交换膜设置于阳极催化扩散层中具有阳极催化层的一侧，导电聚合物设置于阴离子交换膜背离阳极催化扩散层的一侧，阴极催化扩散层包括阴极气体扩散层和设置于阴极气体扩散层其中一侧的阴极催化层，阴极催化层位于导电聚合物层和阴极气体扩散层之间。本申请实施例提供的膜电极能够提高膜电极的动态响应性能，提升在波动性电源下快速功率调节能力与耐久性，延长使用寿命。

海上漂浮平台的气液分离装置

Resumen de: CN121401708A

本公开涉及一种海上制氢设备的技术领域，尤其涉及一种海上漂浮平台的气液分离装置，包括两个分离组件，两个分离组件相连通；每个分离组件均包括第一立式分离器和第二立式分离器，第二立式分离器的顶部通过法兰连接于第一立式分离器的底部；法兰的直径尺寸小于第一立式分离器以及第二立式分离器的直径尺寸；保证在无规则剧烈晃动时第一立式分离器的碱液中气体难以进入第二立式分离器，第二立式分离器的气体可进入第一立式分离器第一立式分离器液面不稳时难以影响第二立式分离器的碱液。缓冲结构设置于第一立式分离器，以减小第一立式分离器中碱液的扰动；和/或设置于第二立式分离器，用于减小第二立式分离器中碱液的扰动，提高安全性和稳定性。

一种纳米Mg(OH)2-PPS织物复合隔膜的制备方法

Resumen de: CN121407150A

本发明公开一种纳米Mg(OH)2‑PPS织物复合隔膜的制备方法，将PPS织物中引入自由基，再经酸处理，在隔膜界面引入含氧亲水官能团，得到亲水的PPS织物隔膜。随后，利用原位生长法，使Mg(OH)2生长在亲水型PPS织物隔膜的纤维表面，赋予复合膜高气密性、低膜阻，以及提高隔膜的耐碱性和电解稳定性。本发明制备的复合膜表现出超亲水性，水滴可在1s内完全被吸收，在实际电解生产中进行500h的测试后，复合隔膜的各项性能保持稳定，表现出优异的长期稳定性和电解性能。

氢生成装置和信息管理系统

Resumen de: JP2025004799A

To provide a configuration capable of grasping the recovery amount by a recovery container 14 for recovering a composition containing a by-product generated during hydrogen generation.SOLUTION: A hydrogen generation part 12 generates hydrogen by reacting a hydrogen carrier with a liquid containing water. A body part 10 has a hydrogen generation part 12. The recovery container 14 is attachable to and detachable from the body part 10 and recovers a composition containing a by-product generated together with hydrogen in the hydrogen generation part 12. A detection part 13 detects the recovery amount of the composition recovered from the hydrogen generation part 12 by the recovery container 14. A memory 17 is provided in the recovery container 14 and stores information related to the recovery amount.SELECTED DRAWING: Figure 1

一种泡沫镍上原位重构γ相氢氧化氧镍催化剂及其制备与应用

Resumen de: CN121407128A

本发明属于电极材料技术领域，尤其涉及一种泡沫镍上原位重构γ相氢氧化氧镍催化剂及其制备与应用。制备方法包括：将泡沫镍浸没于0.5~5.0g/L的钼酸铵溶液中超声处理，随后将两者一并置于30~60℃稳定温场中反应得到泡沫镍负载钼酸镍前驱体；将所述前驱体用超纯水超声清洗，再于惰性气体氛围下干燥；将干燥后的前驱体固定为工作电极，KOH为电解液，Pt片为对电极、Ag/AgCl电极为参比电极组成三电极体系，联通电化学工作站后，在1.0~3.0VvsRHE区间循环伏安扫描，完成原位重构，得到目标催化剂。本发明中制备催化剂在碱性电解水析氧反应中活性优异，可有效降低体系能耗，且电子转移效率高、活性位点丰富。

水电解膜电极及其制备方法、电解槽

Resumen de: CN121407122A

本申请提供一种水电解膜电极及其制备方法、电解槽。水电解膜电极包括依次层叠设置的阳极多孔传输层、阳极催化层、阴离子交换膜、阴极催化层和阴极多孔传输层；阴极催化层包括层叠设置的第三子催化层和第四子催化层，第三子催化层位于第四子催化层朝向阴离子交换膜的一侧；其中，第一子催化层的接触角大于第二子催化层的接触角，第三子催化层的接触角小于第四子催化层的接触角。通过分别在阳极催化层与阴极催化层中设置分层结构，能够在水电解膜电极中构建指向阳极多孔传输层和阴极多孔传输层的定向气液传输通道，能够确保反应物和产物的快速传输，极大抑制了大电流下的浓差极化，从而确保水电解膜电极在大电流密度下运行时具有理想的表现。

NiFe基LDH催化剂及其制备方法和应用

Resumen de: CN121407130A

本发明涉及电催化领域，具体是NiFe基LDH催化剂及其制备方法和应用。本发明提供的制备方法，创新性地在不需要外加pH调节剂条件下，运用简单的一步水热法制备得到NiFe基LDH催化剂，通过向NiFe LDH中引入金属M，诱导NiFe LDH金属间的电荷共享，降低反应能垒、稳定活性位点、促进碱性OER反应动力学的同时增强了催化剂的运行中长期稳定性，不仅实现了催化剂在AEMWE器件中低电解槽电压条件下的大电流，而且实现了大电流下的长期稳定运行，在500 mA/cm2的大电流下进行AEMWE电解水达4750 h仍然未见明显衰减，极大提升了AEMWE电解水技术的商业应用前景。

一种双功能配体构筑Ti基MOFs及其应用

Resumen de: CN121405966A

本发明提出一种双功能配体构筑Ti基MOFs及其应用。所述Ti基MOFs由功能配体（OH）2‑BDC和NH2‑BDC共同构筑的形貌为扁平饼状且表面明显粗糙的纳米材料；其X射线衍射峰2θ=6.9°、9.8°、11.8°和18.1°，最低的带隙为1.95eV，在波长为530～800nm范围内具光吸收能力。本发明制备的双配体Ti基MOFs材料，能够同时整合2个功能基团的优势，在保持框架高稳定性的同时，实现高效的可见光催化析氢性能。

一种基于两性离子聚合物粘结剂的电解水制氢复合电极的制备方法

Nº publicación: CN121407124A 27/01/2026

Solicitante:

河北工业大学

Resumen de: CN121407124A

本发明为一种基于两性离子聚合物粘结剂的电解水制氢复合电极的制备方法。该方法两性离子聚合物聚甲基丙烯酸磺基甜菜碱替代传统的离子型粘结剂Nafion，通过其独特的电中性水合层结构优化电极‑电解液界面，不仅强化了气泡的快速脱附行为，也促进了反应离子的高效传输；并利用喷涂工艺，于调控PSBMA粘结剂与催化剂之间的质量比例。本发明旨在克服现有Nafion粘结剂成本高、传质不足、界面稳定性差的缺陷，提供一种以PSBMA为粘结剂的复合电极及其制备方法，所提供的复合电极制备工艺简单、成本可控，具备良好的推广应用前景。