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Resultados 775 a 800 de 1129
Resumen de: CN122214926A
0001 本发明公开了一种部分非晶化氧化物掺杂析氢电催化剂及其制备方法和用途，所述的催化剂由具有部分非晶化的钙钛矿材料以及高比表面积碳为基底和负载在其上的单分散贵金属纳米颗粒复合而成。本发明所提供的催化剂以负载在其上的均匀分散的纳米钌颗粒为主要的活性位点，部分非晶化的钙钛矿载体材料改善了催化剂的界面水结构，界面水结构的改善可以调节纳米钌颗粒活性位点上的氢吸附强度，以此大幅度提高了催化剂的析氢性能，在质子交换膜电解水制氢领域中具有良好的应用前景。
Resumen de: CN122209488A
0001 本发明公开了一种光催化分解水生成氢气的Ti‑MOF/Pt‑OH复合催化剂及制备方法，涉及水分解析氢用光催化剂技术领域；本发明包括采用六水合氯铂酸与氢氧化钠油浴回流反应后，盐酸酸化以沉淀Pt‑Cl纳米颗粒，再溶于DMF得到胶体溶液，其与金属有机骨架MOF材料MIL‑125‑NH<2>混合在溶剂中分散均匀并反应后，离心收集产物、洗涤、干燥，再在光照条件下在水溶液中通过成键作用形成Ti‑MOF/Pt‑OH复合催化剂；本发明制备方法温和简单、成本低廉、可控易操作，制得的光催化剂稳定性强，可以高效生成氢气，且能够重复利用。
Resumen de: CN122214908A
0001 本发明公开一种Fe<5>Ni<4>S<8‑x>O
Resumen de: CN122212284A
一种褶皱多孔氧化铱球催化剂、制备方法及其在质子交换膜电解水析氧反应中的应用，属于电解水技术领域。将铱源加入水中均匀分散，形成溶液A；将复合模板剂和扩孔剂加入水中，形成溶液B；两者混合均匀形成前驱体系，随后加入碱性引发剂持续反应；反应结束后将产物离心分离，再用乙醇/水混合溶液反复浸泡清洗，干燥后得到所述褶皱多孔氧化铱球催化剂。本发明制备的催化剂具有褶皱表面及开放孔道结构，有利于反应物进入催化界面以及生成氧气的及时脱附，更有利于活性位点暴露，从而降低高电流密度条件下的气液两相传质阻力，可应用于质子交换膜电解水析氧反应，在低铱载量条件下表现出优异的催化性能。本发明工艺路线相对简洁，有较好的可重复性和放大应用潜力。
Resumen de: CN122225432A
0001 本发明公开了一种直流离网光伏制氢系统暂态稳定判别方法，本发明涉及新能源技术领域，包括构建电解水制氢非线性状态方程，推导直流离网光伏制氢系统非线性状态方程，得到系统功率稳定运行边界；通过对仿真结果与稳定分析结果的对比，验证了本发明方法的有效性，为直流离网光伏制氢暂态稳定性分析提供新方法；本发明给直流离网光伏制氢系统暂态稳定性分析提供一种方法。该方法在引入电解槽动态特性、判断系统控制参数影响多个方面具有显著效果，并判定系统功率稳定运行边界判别精度相较于传统Lyapunov法提高17.6%。
Resumen de: WO2025061916A1
The invention relates to an electrolysis system comprising an electrochemical cell (1) which has two electrochemical reaction chambers (2; 3) which are separated from one another by a semipermeable membrane (4). Each of the reaction chambers (2; 3) comprises an inlet (10; 10a) through which water or an aqueous solution can be introduced, and an outlet (11; 11a) through which the water or the aqueous solution is discharged from the reaction chamber (2; 3). The outlet (11; 11a) opens into an outflow line (15) which is connected to a gas-water separator (18). At an intersection point (16), a connecting tube (17) branches off from the outflow line (15), which connecting tube leads to a pressure relief valve (22), with the vertically lowest point (170) of the connecting tube (17) being located below the intersection point (16).
Resumen de: WO2025051651A1
The invention relates to an electrolysis module cluster (100) with a first electrolysis module (140) and a second electrolysis module (140), each electrolysis module (140) having: an electrolysis stack system comprising a plurality of actuators and a plurality of sensors; power electronics which are coupled to the electrolysis stack system in order to provide electric energy; a control interface (120) for providing a respective operating mode of a plurality of operating modes for each electrolysis module (140) of the electrolysis module cluster (100) and/or for providing a respective electrolysis production quantity request for each electrolysis module (140) of the electrolysis module cluster (100); and control and regulating electronics (130), which are coupled to each of the plurality of actuators and sensors, the power electronics, and the control interface (120) so as to transmit signals. The control and regulating electronics (130) are designed to operate the respective electrolysis stack system by means of the actuators and the power electronics in a self-sufficiently regulated manner on the basis of signals of the respective plurality of sensors of the electrolysis stack system, on the basis of the electrolysis production quantity request provided for each electrolysis module (140), and on the basis of the respective operating mode provided for each electrolysis module (140).
Resumen de: CN116162963A
The invention provides a high-pressure water electrolysis device which comprises a water tank II, the water tank II is divided into an upper barrel and a lower barrel from top to bottom, the upper barrel and the lower barrel are connected and fixed through a fastener, the lower barrel comprises a spring, a piston, a water outlet, a water inlet and a water filling cavity, the water inlet is formed in the bottom of the lower barrel, and the water filling cavity is formed in the bottom of the lower barrel. The water filling cavity is formed above the water inlet, the water outlet is formed in one side of the water filling cavity, the piston and the spring are sequentially arranged above the water filling cavity, one end of the spring is installed on the piston, the upper barrel body comprises an air inflation cavity, an air outlet and a pressing disc, the air outlet is formed in the top of the upper barrel body, and the air inflation cavity is communicated with the air inflation cavity. The pressing disc is fixed in the upper cylinder body, the air inflation cavity is formed between the air outlet and the pressing disc, and the other end of the spring is installed on the pressing disc. According to the technical scheme, the problems that in the prior art, high-pressure water electrolysis water replenishing is difficult, and the pressure of high-pressure oxygen is wasted are solved.
Resumen de: WO2025127614A1
According to the present invention, a non-coated austenitic steel sheet for a bipolar plate for alkaline water electrolysis is provided, the sheet comprising, by wt%, greater than 0% and less than or equal to 0.04% of C, greater than 0% and less than or equal to 0.4% of Si, greater than 0% and less than or equal to 0.5% of Mn, greater than 0% and less than or equal to 2.0% of Cr, 33-40% of Ni, greater than 0% and less than or equal to 4.0% Co, and the balance of Fe and other inevitable impurities, wherein the value of relation (1) is 0.83 or less, the surface roughness Ra value is 0.07-0.25 μm, and excellent corrosion resistance is exhibited in an alkaline environment. Relation (1): 9.0 - 0.2495 x Ni + 0.9 x Cr - 0.005 x Co (In relation (1), Ni, Cr and Co mean the amounts (wt%) of the respective elements.)
Resumen de: US2024343562A1
A method for thermal or thermochemical conversion of ammonia or methanol feedstocks into hydrogen (gas) in a related feedstock conversion facility is provided. The method comprises generating heated fluidic medium by at least one rotary apparatus, supplying a stream of thus generated heated fluidic medium into the feedstock conversion facility, and operating said at least one rotary apparatus and said feedstock conversion facility to carry out thermal or thermochemical conversion of the ammonia or methanol feedstocks into hydrogen at temperatures essentially equal to or exceeding about 500 degrees Celsius (° C.). Facility for production of hydrogen from ammonia or methanol feedstocks is further provided.
Resumen de: WO2025109108A1
The present application relates to an electrode unit (1216a, 1216b) for an electrolytic cell, comprising a planar electrode (12a, 12b) and an interlayer (16a, 16b) which is elastically deformable in a direction normal to the planar electrode (12a, 12b) and which has a thickness greater than a thickness of the electrode (12a, 12b) at least in a central region of the interlayer (16a, 16b), the interlayer (16a, 16b) comprising periphery regions crushed in said direction and connected to a periphery of the electrode (12a, 12b) by a weld made by resistance autogenous welding. An electrolytic cell and an electrolyser stack comprising such electrode units (1216a, 1216b) and a method for manufacturing such a stack are also described.
Resumen de: AU2024361348A1
A method for manufacturing a catalyst coating for a recipient component of a PEM electrolyser, comprising the steps of: processing a pre-used catalyst-coated donor component to recover a quantity of a catalyst; converting the catalyst recovered from the donor component into a powder, thereby producing a low-ECSA recycled catalyst powder; and blending the recycled catalyst powder with a quantity of high-ECSA unrecycled catalyst powder to form a blended catalyst powder.
Resumen de: WO2025109109A1
The present application relates to an electrolytic cell comprising at least a first and a second bipolar plate (14) and an electrode unit (1216a, 1216b) and a membrane (11). The electrode unit comprises a planar electrode (12a, 12b) and an interlayer (16a, 16b) which is elastically deformable in a direction normal to the planar electrode (12a, 12b) and which has a thickness greater than a thickness of the electrode (12a, 12b) at least in a central region of the interlayer (16a, 16b), the interlayer (16a, 16b) comprising periphery regions crushed in said direction and connected to a periphery of the electrode (12a, 12b) by a weld created by autogenous welding. The present application also relates to an electrolyser stack comprising such a cell and to a method for manufacturing such a stack.
Resumen de: WO2025103851A1
The invention relates to a method for operating an electrolysis plant (1) comprising at least one stack (2) which has a plurality of electrolysis cells and has 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) having an integrated pump (6), said water being split in the at least one stack (2) into hydrogen and oxygen by electrolysis, and wherein the hydrogen produced by electrolysis is discharged via a cathode outlet (9) of the stack (2) and a media line (7) connected to said cathode outlet. According to the invention, a reduced stack flow is maintained when the electrolysis plant (1) is shut down and, by means of the stack flow and a cell-side recombination catalyst (10), oxygen present on the anode side is recombined with hydrogen, which diffuses from the cathode side to the anode side, to form water. 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.
Resumen de: CN112336953A
The invention relates to positive pressure breathing equipment. The positive pressure breathing equipment comprises a gas channel, a hydrogen production device, a pressurizing device, a mixing device,an atomizing device, an output device and an output device. The hydrogen production device, the pressurizing device, the mixing device, the atomizing device and the output device are all coupled withthe gas channel. The hydrogen production device is used for electrolyzing electrolyzed water to generate hydrogen-containing gas. The pressurizing device can selectively accelerate external gas to generate accelerated gas. The mixing device is used for mixing the hydrogen-containing gas with the accelerated gas to generate positive pressure gas. The atomizing device is used for selectively generating atomizing gas. The output device is used for selectively outputting the hydrogen-containing gas, the positive pressure gas, the hydrogen-containing gas and the atomizing gas or the positive pressure gas and the atomizing gas. Therefore, the breathing device can be matched with the breathing frequency of a user, positive-pressure air is generated by the breathing device in the inspiration period and enters the lung of the patient through the gas channel, and the lung is expanded. The positive pressure does not need to be generated during expiration, the tail end of a breathing pipeline isopened outwards, and gas is automatically exhausted.
Resumen de: CN122214948A
0001 本发明公开了一种钛掺杂二氧化钌及其制备方法与应用，属于电化学能源材料领域，通过将三氯化钌和钛酸四丁酯溶解在醇类溶剂后置于油浴锅中反应，再将反应后的样品洗涤、负载、烘干、煅烧，最终成功制得了钛掺杂二氧化钌。制得钛掺杂二氧化钌呈现出多孔簇状形貌，能够暴漏更多活性位点，利用钛掺杂调控电子转移，诱导反应机制转变提升了二氧化钌的活性和稳定性，将其作为催化剂用于电解水制氢时表现出了优异的析氧性能，在电化学能源领域具有广泛的应用前景。
Resumen de: CN122212745A
本发明公开了一种固体氧化物电解池及其制备方法和应用。所述的固体氧化物电解池的电解质为LSGM通过F掺杂改性，电极材料为LSF中掺杂Cu并原位析出Cu纳米颗粒。所述固体氧化物电解池在650‑850 ℃，1.2‑1.6 V条件下可以实现二氧化碳的快速电解，氧气产量可以达到0.37‑5.56 mL min‑1 cm‑2。本发明的固体氧化物电解池具有高热稳定性、系统简单等优势，适用于太空空间站等缺氧环境的氧气制备。
Resumen de: CN122214961A
本发明公开了一种电解槽温度检测与安全保护系统，该系统包括槽体温度在线检测系统，其包括温度采集与处理模块，用于收集温度检测装置实时检测的电解槽的温度数据；电解槽故障报警系统，其内置温度故障报警机制，用于根据所述槽体温度在线检测系统获得的电解槽的实时温度数据判断所述电解槽是否出现温度故障，并当出现温度故障时执行温度报警措施；电解槽安全保护系统，其用于根据所述电解槽故障报警系统的温度报警，对所述电解槽实施相应的安全保护措施；电解槽健康度识别系统，其内置电解槽的健康诊断与寿命预测大数据模型，用于根据所述槽体温度在线检测系统获得的电解槽的实时温度数据监控所述电解槽的运行工况，并基于所述大数据模型优化所述电解槽的运行参数。
Resumen de: CN122214899A
本发明涉及电化学制氢技术领域，公开了一种醇类电氧化连续制备甲酸耦合电解水制氢系统及方法，包括；阴极侧储液装置，阳极侧储液装置，电化学反应器，氢气分离器，产物分离器和双极膜电渗透反应器。实现了碱液再生循环利用并与甲酸分离系统耦合一体；一方面，碱液再生循环使得整个系统的原料可以缩减为仅有水和醇类两种物质，后续无需引入其他碱类或盐类物质；另一方面，制氢系统、碱液再生循环系统与甲酸分离系统耦合一体，构建了“反应—分离—再生”一体化闭环体系，有利于系统的连续运行并具有工业化应用前景。采用双极膜电渗透反应器将甲酸盐转化为甲酸，无需额外引入无机酸即可实现甲酸盐向甲酸的转化，同时实现碱液回收再利用。
Resumen de: CN122214967A
本发明公开了一种基于模糊‑PID复合控制的离网光伏制氢热管理系统，属于碱性电解水制氢系统的热管理控制技术领域，该系统针对离网光伏制氢系统在运行、停机及工况切换过程中面临的热量波动大、环境干扰强、控制精度要求高等问题，提出一种基于模糊控制和PID控制相结合的复合控制策略，通过“模糊控制处理非线性干扰+PID控制保障稳态精度”的协同机制，实现热量收集、储存及分配的智能调控。本系统针对离网光伏制氢的光热波动、环境温度突变、电解槽负荷切换等复杂工况，通过双回路联动与多环节参数自适应优化，精准控制碱液温度及光热储热罐温度，解决了传统控制方式鲁棒性差、温度波动大、能耗过高的问题，提升了离网制氢系统的运行稳定性与能源利用效率，适用于规模化离网光伏制氢场景。
Resumen de: KR20260090145A
본 발명은 (a) 공정폐수 내 불소를 제거하여 처리수를 얻는 단계 및 (b) 단계 (a)의 처리수를 전해액으로 이용하여 물을 전기분해 하는 단계를 포함하는, 공정폐수를 이용하여 수소를 생산하는 방법에 관한 것이다.
Resumen de: US20260168117A1
0000 A fuel electrode for a solid oxide electrolysis cell with improved high-temperature electrolysis efficiency and stability and a method of manufacturing the same. The fuel electrode for a solid oxide electrolysis cell includes a catalyst including iron (Fe) and samarium-doped ceria (SDC) that is supported on a support including nickel (Ni) and yttria-stabilized zirconia (YSZ), which improves performance and durability of the cell.
Resumen de: CN122214892A
0001 本发明公开了一种用于碱性水电解的低能耗零极距电解槽结构，具体涉及氢能技术领域，包括框板、阳极集电极、阴极集电极、阳极电极网、阴极电极网以及设置于所述阳极电极网与所述阴极电极网之间的隔膜，还包括：弹性组件，所述弹性组件设置于所述阴极集电极与所述阴极电极网之间，并用于将所述阴极集电极、所述阴极电极网、所述隔膜、所述阳极电极网及所述阳极集电极依次压紧，以使所述阳极电极网与所述阴极电极网均紧贴于所述隔膜的两侧。本发明所述的一种用于碱性水电解的低能耗零极距电解槽结构，通过弹性组件实现阳极电极网与阴极电极网紧贴隔膜两侧的零极距结构，大幅缩短离子传输路径，降低欧姆极化损耗，从而降低电解电压。
Resumen de: CN122214941A
本发明公开了一种Ni4Mo/Ni(OH)2/NF催化剂及其制备方法和应用，属于电催化析氢技术领域。其制备方法包括：将泡沫镍进行超声清洗，得预处理泡沫镍；将柠檬酸三钠、钼源和镍源共溶于水中，得反应液；以预处理泡沫镍为工作电极，铂片为对电极，Ag/AgCl为参比电极，反应液为电解液，采用伏安循环扫描法进行电沉积，即得Ni4Mo/Ni(OH)2/NF催化剂。本发明还公开了上述制备方法制得的Ni4Mo/Ni(OH)2/NF催化剂及其应用。本发明可解决现有Ni‑Mo合金催化剂合成繁琐、活性组分暴露不足、活性组分与基底结合能力不佳以及长期稳定性较差的问题，具有较高的实际应用价值。
Nº publicación: CN122214946A 16/06/2026
Solicitante:
复旦大学
Resumen de: CN122214946A
0001 本发明涉及一种用于电化学分解水制氢的负载型Pt原子筏催化剂及其制备方法和应用，所述制备方法包括以下步骤：所述制备方法包括以下步骤：S1，将Pt金属盐溶解于去离子水中，得到溶液；S2，将Cr<2>O<3>粉体分散于去离子水中，得到分散液；S3，将步骤S1所得溶液和步骤S2所得分散液混合搅拌，水浴加热，洗涤干燥后得到催化剂粉体，所述催化剂粉体为负载型Pt原子筏催化剂。与现有技术相比，本发明通过原子级分散Pt原子，既能保证较高的电化学制氢催化性能的，又可以降低了Pt用量。
BOPI
Sede Electrónica
