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744
results.
Updated on
14/09/2026 [07:03:00]
Results 525 to 550 of 744
Absstract of: CN122446042A
本发明提供一种合金催化剂及其制备方法，该合金催化剂包含0.01wt％至30.0wt％之Zn、50.0wt％至99.9wt％之其余金属、及0.0wt％至20.0wt％之贵金属，该其余金属包含选自Ni、Fe、Mo及Co所成群中之至少一种金属；该合金催化剂具有藉由去合金化所形成之多孔结构。本发明之合金催化剂具有低过电位、低Tafel斜率及高稳定性。
Absstract of: CN122446226A
本发明涉及电解槽密封技术领域，公开了一种耐高压密封组件及电解槽装置。密封组件包括极板、膜电极、密封圈和增强丝。极板具有反应区及围绕反应区设置的极板密封凹槽，密封圈容纳于极板密封凹槽内并设有沿密封路径延伸的密封圈凹槽，增强丝嵌设于密封圈凹槽内并与密封圈凹槽的轮廓相适配。沿电解槽压装方向，在密封组件未压缩状态下，增强丝厚度h不大于密封圈凹槽在该方向上的容纳尺寸h1，h1小于极板密封凹槽深度h2，h2小于密封圈厚度h3。压装后，密封圈高出极板密封凹槽的部分与膜电极形成环绕反应区的密封接触，增强丝随密封圈共同保持于极板密封凹槽内，以约束密封圈的密封路径轮廓。
Absstract of: CN122446222A
0001 本发明提供了一种电解槽组件及电解槽小室和其在电解水制氢中的应用。该电解槽组件包括顺次设置的弹性网、镍网、多孔镍板和镍基催化涂层；弹性网的孔径大于镍网的孔径，镍网的孔径大于多孔镍板的孔径。本发明采用弹性网‑镍网‑多孔烧结镍板的梯度孔结构设计，将传质通道进行有序设计，优化了碱液在电解槽内的流动特性，减少了死区和涡流的产生，实现了碱液均匀分布在催化层反应活性中心的有益效果，从而提高了电解槽运行电流密度，降低了能耗。
Absstract of: CN122441457A
0001 本发明申请涉及纳米材料制备的技术领域，尤其是涉及一种合成具有锌硫双空位Zn<3>In<2>S<6>光催化剂的方法，将特定体积氨水与去离子水混合形成溶剂，加入硫酸锌、三氯化铟及硫代乙酰胺前驱体，搅拌均匀后在160℃下进行12小时一步水热反应，产物经离心洗涤及真空干燥获得。本申请通过氨水的配位诱导作用，在Zn<3>In<2>S<6>晶格内原位构筑锌空位与硫空位，利用引入的缺陷能级作为电子陷阱捕获光生电子，抑制载流子复合，并增加表面活性位点。本申请能够显著提升可见光下的产氢活性，其析氢速率达未添加氨水的2.25倍，具有工艺路线简单、催化性能优异且结构稳定性强的优点。
Absstract of: CN122441503A
本发明涉及一种铋基纳米线BSO NWs及其制备方法与其在高效压电‑光协同催化析氢中的应用。本发明通过水热反应合成BCSO NWs，并使用Langmuir‑Blodgett（LB）技术将其组装成薄膜。与非手性的BSO NWs薄膜相比，手性的BSO NWs膜具有高的压电催化析氢活性，同时，一定比例的钴掺杂，可以进一步提升析氢活性。此外，基于BSO NWs膜和BCSO NWs膜的手性结构，在光匹配的条件下，即左手性膜（LH‑film）在左圆偏振光（LCP）照射下和右手性膜（RH‑film）在右圆偏振光（RCP）照射下，表现出最强的压电‑光协同催化效应，进一步提高析氢速率。
Absstract of: CN122446246A
本发明涉及一种NiFeMo基球形多孔复合催化材料及其制备方法与应用，属于电催化材料技术领域。旨在解决现有材料制备流程复杂、粉体易团聚、形貌可控性不足及连续化制备能力有限的问题。本发明提供一种NiFeMo基球形多孔复合催化材料，为含Ni、Fe、Mo元素的复合粉体，呈单分散球状颗粒，具有多级多孔结构，Ni、Fe、Mo摩尔比为10:10:(0.5~2)；采用超声喷雾热解一步法制备。本发明的材料电化学活性表面积达0.6303 cm2，高于NiFeV（0.3360 cm2）和NiMo（0.1485 cm2）；析氢驱动电位更小、电荷传递阻力更低，适用于碱性电解水阴极析氢催化剂。
Absstract of: CN122441463A
一种加快氢化镁水解制氢的复合催化体系及其制备方法与应用，涉及氢化镁水解制氢技术领域，解决了现有氢化镁水解制氢反应在后期传质阻力大，难以在温和条件下实现MgH2的快速且完全转化的问题。复合催化体系由独立机械球磨预活化的氢化镁粉末与氯化铈粉末复配组成。在惰性气氛下，将氢化镁粉末进行独立机械球磨预处理，得到活化氢化镁粉末；将活化氢化镁粉末与氯化铈粉末按设定摩尔比均匀混合，得到铈基复合催化体系。将上述铈基复合催化体系加入水中，在20℃~60℃下引发水解反应制氢。本发明催化体系能够稳定满足便携式供氢装置的快速产气需求，兼具催化效能与成本优势，适配实际场景的规模化应用。
Absstract of: CN122446258A
本发明公开了一种Mo‑Ru双位点过渡金属催化剂及其制备方法，属于电催化材料技术领域。该方法以氧化石墨烯为载体，将三水三氯化钌与四水七钼酸铵的混合溶液加入氧化石墨烯分散液中，超声处理6小时，获得均匀前驱体溶液；随后进行水热反应，得到固态产物；产物经12小时冷冻干燥后，采用化学气相沉积法在800℃、氨气‑氩气混合气氛下高温氮化2小时，最终制得Mo‑Ru双位点过渡金属催化剂。该催化剂在酸性与碱性介质中均表现出优异的二电子析氢反应电催化活性与长期稳定性，可高效应用于电解水制氢领域。
Absstract of: CN122446240A
一种二氧化钌催化剂及其制备方法和应用，涉及电解水催化剂技术领域，解决了现有技术现有钌基析氧催化剂制备繁琐且稳定性差的问题。本发明将明胶和碳酸盐溶于水中，水浴搅拌，得到混合液A；将钌盐溶于水中，超声处理，得到混合液B；将混合液B倒入混合液A中，搅拌混合后形成凝胶，即为催化剂前驱体；经过煅烧处理，得到二氧化钌催化剂。本发明具有成本低、催化稳定性好的优势，作为质子交换膜电解水阳极催化剂应用具有广阔前景。
Absstract of: CN122446242A
本发明公开了一种钛基金属间化合物的应用及其制备方法，钛基金属间化合物的化学式为TiNiSn或TiCoSn。TiNiSn一般为热电材料，本发明将其用于电解水制氢，在碱性条件下保持较高的活性和稳定性。本发明的钛基金属间化合物，可通过高温熔融一步合成，无需进一步退火或控制冷却程序以减少杂相，大幅简化了制备方法。
Absstract of: CN122446220A
本申请涉及碱性电解槽技术领域，具体是一种电解槽的支撑底座，包括：支撑底座本体；限位机构，设置在所述支撑底座本体上，用于连接电解槽的四个底脚；中间支撑机构，设置在所述支撑底座本体上且位于所述支撑底座本体的长度方向的对称轴上，用于对所述电解槽的极板进行支撑，所述中间支撑机构通过第一升降装置调节高度；两组侧支撑机构，设置在所述支撑底座本体上，并对称设置在所述中间支撑机构的两侧，用于对所述极板进行支撑，每组所述侧支撑机构通过第二升降装置调节高度。本申请能够对电解槽的安装位置进行限位和固定，并且能够调节对极板的支撑力度，防止极板下坠。
Absstract of: CN122441386A
本发明提供一种自驱动腔内循环的扁平光解槽、光解制氢系统及制氢方法，属光催化制氢领域。针对扁平空间拟二维流动引发的微泡滞留与传质缓慢问题，构建“渐缩流道+特定倾角导流+光区匹配”协同结构：工作腔高2~5cm，内置倾斜导流构件划分上升流区域与下降流区域，上升流区域横截面积向上递减且投影占光照区90%~95%；气泡沿构件板面爬升聚并，渐缩流道加速液相并在背流侧形成低压涡旋，带动近壁低速区并促进滞留微气泡卷吸回主流，在单一连续腔体内形成无泵气升内循环。该方案将光能输入与气升驱动力空间耦合，光解槽内部循环无需外置泵，常压下可维持稳定循环，降低微细气泡光散射与无效滞留，缓解流光优化互斥，利于规模化应用。
Absstract of: EP4570956A1
The invention refers to an electrochemical system (1) suitable for hot idling comprising- at least one electrochemical module (11) comprising a fuel electrode section, an oxidant electrode section, and a membrane;- at least one fluid inlet line (10) leading to the electrochemical module (11), in particular to the fuel electrode section;- at least one fluid outlet line (12) exiting the electrochemical module (11);- a gas recirculation unit (15) to recirculate a gas or gas mixture exiting the electrochemical module (11) to the fuel electrode section.The system comprises an inert gas unit (3), preferably nitrogen unit, for supplying inert gas to the at least one fluid inlet line (10). The invention refers also to a method of performing electrolysis in a hot idling mode.
Absstract of: US20260209975A1
0000 The present invention provides a system and method for managing hydrogen storage and release, utilizing hydrogen carrier fluid (HCF) and undivided electrochemical reactors (i.e. not containing ion exchange membranes) to achieve hydrogenation/dehydrogenation of HCF.
Absstract of: US20260209965A1
Using optimal indirect thermal coupling between a thermal power plant and a hydrogen production unit by high-temperature electrolysis via a withdrawal branch connection made in a fluid branch of the power plant's thermodynamic conversion cycle to install, on the one hand, a thermal storage tank to provide the heat necessary to preheat the steam intended for the cathodes of the HTE unit and, on the other hand, a pneumatic and thermal storage tank to supply pressurized hot air to the anodes.
Absstract of: US20260210593A1
The present disclosure belongs to the technical field of hydrogen production by water electrolysis, and relates to an energy optimization heat pump system and method for hydrogen production by water electrolysis with low-pressure ratio. It includes a hydrogen oxygen gas-liquid separation unit, a heat pump compressor, and an expander. The hydrogen oxygen gas-liquid separation unit is connected to the hydrogen dryer through a hydrogen cooler. The hydrogen oxygen gas-liquid separation unit is connected to the heat pump absorber through a circulating cooling water pipeline, the hydrogen cooler is connected to the refrigerator through a refrigerant pipeline, and the hydrogen dryer is connected to the steam generator through a hot water pipeline and a steam pipeline respectively. The present disclosure is conducive to reducing the pressure ratio of the heat pump compressor, enriching the selection range of heat pump working fluids, and improving the energy utilization rate of the system.
Absstract of: WO2026152806A1
A chemical looping cycle-based membrane-free water electrolyzer for hydrogen production, and an operating method thereof. The electrolyzer comprises a first end plate and a second end plate separately connected to an external power supply. At least one bipolar plate is arranged between the two end plates. Electrolysis chambers are formed between the two end plates and the bipolar plate and between every two adjacent bipolar plates. A functional assembly is provided in each electrolysis chamber. The functional assembly comprises a bifunctional electrode, a porous partition plate, and an oxygen carrier electrode which are sequentially attached. The bifunctional electrode and the oxygen carrier electrode are used in combination to implement hydrogen evolution and oxygen evolution under different working conditions, accommodating power fluctuations and intermittency of renewable energy and exhibiting the potential of application to off-grid hydrogen production. The operating method comprises implementing stepwise or continuous production of hydrogen and oxygen under different working conditions by means of synergistic energy supply of a temperature field and an electric field.
Absstract of: US20260209978A1
A hydrogen generator with detachable filter comprises a water tank, an electrolysis module configured in the water tank, a filter channel device coupled to the water tank, a humidifying module, vertically configured above the water tank, an integrated channel device vertically configured above the humidifying module, and a condenser configured on the integrated channel device. The electrolysis module is configured to electrolyze water contained in the water tank to generate gas comprising hydrogen. The humidifying module includes a humidifying chamber and a gas channel isolated from the humidifying chamber. The filtering device is arranged in the gas channel to receive and filter the gas comprising hydrogen generated by the electrolysis module. The condenser is configured to condense the gas comprising hydrogen outputted by the filtering device. The integrated channel device includes a gas input channel for guiding the gas comprising hydrogen outputted from the condenser into the humidifying chamber.
Absstract of: US20260209038A1
Process for production of hydrogen from ammonia, including ammonia cracking wherein ammonia is decomposed into hydrogen and nitrogen, wherein the ammonia cracking is performed in a sequence of cracking steps (13, 36, 17, 20) and a finally cracked stream (21) is obtained after a last cracking step (20), wherein the last ammonia cracking step (20) is performed adiabatically and/or the finally cracked stream (21) is quenched by direct mixing with water or steam after the last cracking step.
Absstract of: US20260209954A1
0000 A water electrolysis cell for use in a water electrolysis apparatus that electrolyzes water when irradiated with light to generate hydrogen includes a laminate including an anode electrode, a perovskite battery cell, and a cathode electrode laminated in this order, and an electrically insulating protective material that covers the outer periphery of the laminate.
Absstract of: US20260213641A1
0000 The invention relates to a rectifier arrangement for hydrogen electrolysis, comprising a transformer (1) with a primary winding (2) for connecting an input alternating voltage and a secondary winding (3) for providing an output alternating voltage, and comprising a rectifier (4) connected to the secondary winding (3) for generating an output direct current IDC and an output direct voltage UDC, wherein at the primary winding (2) of the transformer (1) a number N>1 of winding taps (5) are provided, and a load stage switch (6) connected to a controller (7) is provided which is designed for switching the winding taps (5) without interruption such that the transformation ratio of the transformer (1) can be switched via the controller (7) in N stages.
Absstract of: US20260209872A1
0000 The present disclosure relates, according to some embodiments to a method for steel production, the method comprising forming a hydrogen and a carbon from a natural gas using thermal plasma electrolysis; reducing iron ore fines with the H<2> to form an iron briquette; melting the briquette iron from the furnace to form a melted iron and melted non-metallic slag; separating the non-metallic slag from the melted iron in the furnace; combining the carbon and the melted iron in a furnace to form a carbon black and iron mixture; and alloying the melted iron with the carbon black to form a steel.
Absstract of: US2023102312A1
0000 Systems and methods for sequestering carbon, evolving hydrogen gas, producing iron oxide as magnetite, and producing magnesium carbonate as magnesite through sequential carbonation and serpentinization/hydration reactions involving processed olivine- and/or pyroxene-rich ores, as typically found in mafic and ultramafic igneous rock. Precious or scarce metals, such nickel, cobalt, chromium, rare earth elements, and others, may be concentrated in the remaining ore to facilitate their recovery from any gangue material.
Absstract of: US20260209953A1
An alkaline water electrolyzer includes an electronic controller, a stack of electrolysis cells each comprising an anode and a cathode. The electrolyzer is configured to contain an electrolyte made of an anolyte and a catholyte. The electrolyzer also includes a system controlled by the electronic controller configured to maintain a concentration of an impurity in the electrolyte within a target range by measuring a characteristic representative of the concentration of the impurity in the electrolyte and, in response to the measured concentration of the impurity, add a quantity of the impurity into the electrolyte.
Nº publicación: US20260209972A1 23/07/2026
Applicant:
W L GORE & ASS INC [US]
W L GORE & ASS GMBH [DE]
W. L. Gore & Associates, Inc.
W. L. GORE & ASSOCIATES GMBH
Absstract of: US20260209972A1
There is provided a multi-layered proton exchange membrane for water electrolysis, comprising: at least two recombination catalyst layers, each of the at least two recombination catalyst layers comprising a recombination catalyst and a first ion exchange material, wherein at least two recombination catalyst layers are separated by a region devoid of or substantially devoid of a recombination catalyst, and at least two reinforcing layers, each of the at least two reinforcing layers comprising a microporous polymer structure and a second ion exchange material which is at least partially imbibed within the microporous polymer structure.
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