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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
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.
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.
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.
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.
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.
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<sub>x</sub>Ga<sub>1-x</sub>N 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.
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.
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).
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.
Resumen de: US2023287587A1
The present application relates to water electrolyzers, including water electrolyzers incorporating anion exchange membranes. The present applications also relates to materials incorporated into water electrolyzers and approaches for manufacturing water electrolyzers, as well as methods of using water electrolyzers.
Resumen de: KR20260012491A
본 발명에 따른 물 순환 모드의 제어가 가능한 수전해 시스템은, 수전해 스택, 산소측 기액분리기, 수소측 기액분리기, 제어부를 포함한다. 산소측리턴배관은, 상기 산소측 기액분리기 내의 물을 상기 수전해 스택으로 리턴하기 위한 배관으로서, 상기 산소측 기액분리기로부터 상기 수전해 스택에 이르는 물의 흐름방향을 따라 제1밸브와 제1펌프가 배치된다. 수소측리턴배관은, 상기 수소측 기액분리기 내의 물을 상기 수전해 스택으로 리턴하기 위한 배관으로서, 상기 수소측 기액분리기로부터 상기 수전해 스택에 이르는 물의 흐름방향을 따라 제2밸브와 제2펌프가 배치된다. 제1연결배관은, 상기 산소측 기액분리기 내에 수용된 물과 상기 수소측 기액분리기 내에 수용된 물을 연결하도록 구성된다. 제2연결배관은, 상기 산소측리턴배관 중 상기 제1밸브와 상기 제1펌프의 사이와 상기 수소측리턴배관 중 상기 제2밸브와 상기 제2펌프의 사이를 서로 연결하도록 구성되되, 제3밸브와 제4밸브가 배치된다. 제3연결배관은, 상기 제2연결배관의 상기 제3밸브와 상기 제4밸브의 사이와 상기 제1연결배관을 연결한다. 제어부는, 상기 수전해 스택의 동작상태에 따라 상기 제1 내지 제4밸브 중 적어도 하나의 개폐 및 개폐량을 제어한다.
Resumen de: CN121407153A
本发明公开了基于氢气纯度与析氢过电位的协同优化制氢系统及方法。基于氢气纯度与析氢过电位的协同优化制氢系统，包括：电解槽、氢气纯度检测装置、电源、电参数检测装置、第一辅助参数检测装置和第二辅助参数检测装置。基于氢气纯度与析氢过电位的协同优化制氢方法，实时采集数据并通过精准计算，实时掌握析氢过电位的大小和变化趋势，以便实时协同优化调整。本方案通过实时检测氢气纯度，实时计算析氢过电位，协同优化调整电源的参数，就能满足工业级、车载级、电子级不同场景的纯度要求，让整个制氢系统的成本降低；当纯度或过电位出现异常时，电源能快速做出调整，而且能减少电极的腐蚀损耗，让电极的使用寿命延长，每年的维护成本降低。
Resumen de: WO2025005555A1
Disclosed are an ammonia partial oxidation-based hydrogen extraction catalyst, a manufacturing method therefor, and a hydrogen extraction method using the catalyst. The ammonia partial oxidation-based hydrogen extraction catalyst comprises: a support; and ruthenium (Ru) loaded on the support. The hydrogen extraction method using the catalyst allows the temperature inside a reactor to be maintained at a high temperature without an external heat source and has a long reaction time, thereby solving the existing problem of thermal efficiency reduction and enabling a high ammonia conversion rate to be obtained.
Resumen de: CN121401628A
本发明公开了一种紧凑空间电解水制氢系统的多维安全防护集成布局方法，属于氢能安全技术与危险环境设备布局技术领域；本发明制氢系统集成于集装箱撬体内，所述集装箱撬体内的安全防护布局包括：氢气探测子系统、火焰探测子系统及气体灭火子系统；所述氢气探测子系统的氢气探测器布设位置为制氢模块设备正上方、管道阀门组上方及集装箱内最高点；所述火焰探测子系统的火焰探测器布设位置为探测视角覆盖设备区并形成重叠监视区；所述气体灭火子系统灭火喷嘴的灭火剂覆盖范围与所述氢气探测器和火焰探测器的监测区域在空间上相关联并被其覆盖，本发明实现了安全防护的立体化、无盲区和系统化目的。
Resumen de: CN121407117A
本申请公开了一种模块化电解水制氢装置，涉及电解水制氢领域，其包括用于提供原料的供给单元、用于电解原料的电解单元、用于存储电解产物的存储单元和用于供电的电控单元，还包括板体组件，本申请通过第二板体在滑道内滑动，使得第一插座、第一插头之间断开连接，再旋转偏心轮使得限位凸起移出限位凹槽并解除对插块的定位，接着推动第一管体、第三管体收缩，同时，随着插块移出插槽，弹性件借助自身弹力依次推动限位板、第三杆体、密封块移动并关闭第二通道、密封槽之间的连通状态，完成对固定管和第一管体的密封，待拆卸完成后，移动第三板体，将不同的模块单独拆卸即可，管路复杂程度较低且拆卸较为快捷，提高了维护工作的便捷性。
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。
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。
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。
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。
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
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。
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。
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。
Nº publicación: CN121405966A 27/01/2026
Solicitante:
河北张宣高科科技有限公司燕山大学
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。
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