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1060
results.
Updated on
24/10/2026 [07:27:00]
Results 200 to 225 of 1060
Absstract of: CN122853465A
0001 本发明公开了一种CoNiCu金属氧化物催化剂的制备方法，包括如下内容：（1）将钴盐、镍盐、铜盐按一定比例溶于水中得到溶液A；（2）将配位剂溶于溶剂中得到溶液B；（3）在一定温度下将溶液A与溶液B按一定比例充分混合得到溶液C；（4）向溶液C中加入碱性沉淀剂，在一定条件下反应，得到混合液；（5）将步骤（4）得到的混合液进行过滤、洗涤、干燥、焙烧，得到CoNiCu金属氧化物催化剂。本发明方法制备的催化剂一步法即可合成，在氨硼烷的水解析氢反应中具有较高的催化活性。
Absstract of: CN122856225A
本发明公开了一种碳布负载铜钌的纳米阵列催化剂及其制备方法和应用，其属于催化材料技术领域，旨在解决现有铜钌基催化剂活性位点暴露不足、界面结合力弱、循环稳定性差的技术瓶颈。该制备方法包括：将碳布作为工作电极，置于含有铜盐的电镀液中进行恒电位电镀，在碳布表面形成铜纳米颗粒层，得到铜纳米颗粒‑碳布前驱体；将铜纳米颗粒‑碳布前驱体浸入氧化液中进行原位氧化反应，得到纳米阵列前驱体；将纳米阵列前驱体浸入钌盐溶液中，随后加入还原剂进行还原反应，得到纳米阵列催化剂。本发明通过“电镀‑氧化‑吸附还原”三步法实现了活性位点的均匀分布与异质界面的牢固结合，有效解决了催化活性与稳定性难以协同提升的关键瓶颈。
Absstract of: CN122856217A
0001 本发明公开了一种电解水制氢的循环水冷却装置，涉及电解制氢配套设备领域，该装置包括冷却箱体，所述冷却箱体的内壁中下部固定连接有导热排管，所述冷却箱体的内壁中上部设置有自旋喷淋机构，所述冷却箱体的顶部设置有气流抽吸机构，所述冷却箱体的侧壁设置有通风检修构件，所述冷却箱体的底部设置有集水支撑构件。本发明可以通过设置的导热排管与封闭箱体结构，将制氢高纯循环液封闭在管内完成热交换，避免循环液直接接触外界空气混入杂质，配合自旋喷淋机构与气流抽吸机构形成的蒸发冷却结构，提升装置整体的换热散热能力，适配制氢系统高负荷运行的散热需求置。
Absstract of: CN122856253A
本发明提供了一种电解水阳极电催化剂的制备方法，该方法为：将FeCl2·4H2O和NiCl2·6H2O溶解在溶剂中，得到A溶液；将N‑（膦酰甲基）亚氨基二乙酸水合物溶解在溶剂中，得到配体溶液；将配体溶液滴加至A溶液中，磁力搅拌后，将得到的混合溶液150℃反应后，过滤收集沉淀物质，用超纯水、无水乙醇洗涤后，真空干燥后，得到电解水阳极电催化剂。还提供了应用，该电解水阳极电催化剂用于电解水的析氧反应。本发明的电解水阳极电催化剂为设计高效非贵金属OER电催化剂提供了一种简便的合成策略，对推动电解水制氢技术的发展具有参考价值。
Absstract of: CN122856251A
本发明公开了一种具有环境普适性的高效电解水制氢催化电极材料及其制备方法和应用，以任何普通电极材料作为基底，通过调控反应体系，最终在基体上实现一步原位生长具有丰富氧空位的高效多相异质结构非贵金属氧化物基Ax@AMoO4‑AWO4型电催化电极材料，该异质结构的构筑实现了催化活性大幅提升以及质子传递与界面电子电荷快速转移，从而加快了析氢反应动力学；同时实现了精准调控界面氧空位的形成，有效提升了析氧反应动力学过程，解决了传统非贵金属化合物材料结构稳定性问题和受限于碱性电解质环境的问题。本发明的电催化电极材料对电解水环境具有普适应的高活性、高稳定性及高导电性，且制备方法简单易操作，成本低廉。
Absstract of: CN122856243A
0001 本发明涉及电催化技术领域，公开了一种多功能Ni基双金属电催化剂的制备方法。所述催化剂由导电基底及原位负载于其表面的催化活性层组成，形成自支撑三维电极结构；过渡金属阳离子部分取代Ni的晶格位点，阴离子通过化学键合分布于催化剂的晶格或表面；过渡金属阳离子与阴离子通过协同电子效应和晶格应变效应共同调控金属活性中心的局部d带电子结构。本发明通过阳离子引发的晶格应变效应与高价阴离子引发的强吸电子效应的协同作用，实现了对活性位点d带电子结构的多维深度调制，大幅提升了催化剂的多功能电催化活性和抗腐蚀稳定性，可广泛应用于电解水析氢、硝酸根还原及有机小分子电氧化反应。
Absstract of: CN122856270A
0001 本发明公开了一种电解制氢系统与可再生能源协同运行方法，所述方法包括：采集可再生能源输出功率以及各电解槽的输入电流、端电压、电解液温度、循环流量、氢侧压力、氧侧压力和产氢流量，按照统一时间戳构建协同运行时序数据集；从可再生能源输出功率中提取满足变化幅度、持续时间、方向一致比例以及变化前后稳定性条件的自然功率扰动片段，本发明涉及可再生能源制氢技术领域。该一种电解制氢系统与可再生能源协同运行方法，分别辨识电解槽的升功率气电响应时延和降功率气电响应时延，能够反映升载和降载过程在电化学反应、气体输运及母管压力响应方面的非对称性，为功率迁移时序控制提供依据。
Absstract of: CN122856220A
0001 一种氮铁磷碳复合改性泡沫镍电解阴极电极及其制备方法和应用，涉及电催化电极制备技术领域。方法包括：S1、对泡沫镍基材进行清洗处理，去除表面油污、氧化杂质与吸附粉尘，获得洁净多孔的导电基底；S2、将Fe‑P/N@C三元复合催化粉体与导电炭黑复配，分散于聚偏氟乙烯溶液中，经分散处理，得到复合催化浆料；Fe‑P/N@C三元复合催化粉体内部含有Fe‑N‑P配位活性位点；S3、将复合催化浆料涂覆于预处理后的泡沫镍基底工作面；S4、将涂覆后的电极置于真空环境下恒温干燥固化，制得目标产物。本发明通过Fe‑N‑P三元协同催化体系搭配精准浆料均质工艺与真空低温固化技术，构筑高活性、高附着力、强抗钝化的复合电极，从材料催化机制与电极界面结构双重维度解决传统电极失效难题。
Absstract of: CN122856202A
0001 本申请涉及电解水制氢技术领域，公开了一种电解制氢系统及动态控制方法，包括电解、分离、换热、驱动和控制模块，控制模块基于结构气含率本征常数生成电流密度流量控制映射表；依据运行电流计算变化斜率；当变化斜率大于预设突变阈值时，下发流量脉冲指令控制驱动模块使流量跃升后回落至基础设定流量；当变化斜率不大于预设突变阈值时，依据温差数据与阻抗数据计算实际气含率偏差并生成流量补偿数据叠加至基础设定流量；在流量补偿数据积分值大于预设衰减阈值时，计算硬件衰减调节系数更新前述映射表。本申请监控电流斜率下发脉冲流量并融合电热数据微调，同时根据补偿积分更新映射表，自适应产气波动并补偿硬件流阻衰退。
Absstract of: CN122856248A
0001 本发明公开了一种高熵碲化物复合材料及其制备方法和应用，所述高熵碲化物复合材料包括碲纳米线，所述碲纳米线上负载有高熵合金PtRuCoNiFe。该复合材料具备规整的核壳结构、元素分布均匀、结晶度优异，可作为海水电解制氢析氢反应催化剂使用。本发明制备工艺简单、原料易得、反应条件温和、绿色无污染，适合规模化生产；所得催化剂在模拟海水体系中析氢过电位低、催化活性高、长期运行稳定性优异，有效解决了传统贵金属催化剂成本高昂、常规电解催化剂动力学缓慢、易被海水组分腐蚀、稳定性差等问题，具备广阔的工业化应用前景。
Absstract of: CN122850174A
本发明涉及镍催化剂技术领域，公开了一种泡沫镍负载微纳纤维催化剂及其制备方法与应用。上述泡沫镍负载微纳纤维催化剂的制备方法，包括以下步骤：S1开孔泡沫镍经酸、碱预处理后清洗干燥；S2将聚乙烯醇缩丁醛加入乙醇中溶解，再加入60Ni/Ce0.6Zr0.4O2微纳纤维催化剂球磨，得到浆料；S3浸渍泡沫镍使浆料进入三维连通孔道；S4轴向吹气疏通孔道；S5干燥后空气焙烧，脱除溶剂并分解PVB，使催化剂固定于骨架，形成单次涂层；S6选择性地重复S3至S5，多次叠加薄层。本发明方法实现了高上载率、无孔道堵塞、优异高温稳定性的三重目标，使得本发明泡沫镍负载微纳纤维催化剂能够应用在固定床或模块化反应器中的氨分解制氢过程。
Absstract of: CN122850217A
0001 本发明公开了一种适用于氨分解制氢的催化剂及其制备方法和用于催化氨分解制氢的应用。催化剂包括载体与负载在载体上的活性组分；载体包括钠‑过渡金属复合氧化物，过渡金属包括铁和/或镍；活性组分包括钼基MXene；钼基MXene通过碱刻蚀Mo<2>Ga<2>C获得。制备方法包括：将载体和活性组分与无水乙醇混合，研磨后，经干燥和H<2>还原后得到催化剂。该催化剂能够在60000 mL/(g·h)、500℃条件下展现出优异的NH<3>分解制H<2>效率，同时催化剂的长程稳定性优异，在持续使用100小时后仍能具有80%以上的NH<3>分解效率以及超过3 mol/(g
Absstract of: CN122856231A
0001 本发明公开了一种钌钛双金属氧化物自支撑电极的制备方法及其应用，属于清洁能源制备技术领域。该方法包括以下步骤：对钛毡进行清洗后，置于碱溶液中进行水热预处理；将钌盐和钛盐溶解于含盐酸的溶液中，配制成前驱体溶液；将预处理后的钛毡置于前驱体溶液中，经水热反应在钛毡表面原位生成氢氧化物前驱体；最后在空气氛围下煅烧，即得一体化自支撑RuTiO
Absstract of: CN122856207A
本发明公开一种多段多级分流电解槽及其工作方法，电解槽包括左端压板（100）、右端压板（110）以及左端极板（200）、左绕流中极板（210）、右绕流中极板（220）、右端极板（230）和若干双极板（300），右端压板（110）上设有上部腰孔（403）、中部腰孔（404）和下部腰孔（405）；左端极板（200）、左绕流中极板（210）和右绕流中极板（220）均设有绕流腔（507）；本发明通过在电解槽内部设置多个绕流腔，将电解槽沿长度方向划分为多段，每段由独立的绕流腔供液，沿程流道长度大幅缩短，沿程阻力差异显著降低，从根本上提高了各小室电解液流量的均匀性，从而避免了部分小室因流量不足导致的极化加剧，降低了单位产氢能耗，提高了电解制氢的整体效率。
Absstract of: US20260297769A1
0000 An electrode, including: a substrate that has a surface composed of at least one of nickel, nickel oxide, and nickel hydroxide; and scale-like protruding parts provided on the surface of the substrate.
Absstract of: DE102025112396A1
Die Erfindung betrifft eine Elektrochemische Zelle (12), insbesondere Elektrolysezelle (14), aufweisend ein Zellsubstrat (16), eine erste Elektrodenschicht (26), eine zweite Elektrodenschicht (32), eine zwischen der ersten Elektrodenschicht (26) und zweiten Elektrodenschicht (32) angeordnete Elektrolytschicht (28), wobei das Zellsubstrat (16) flächig ausgebildet ist und eine Mehrzahl an Strukturelementen (20) aufweist. Es wird vorgeschlagen, dass sich die Strukturelemente (20) in das Zellsubstrat (16) hinein absenken und jeweils eine Erstreckung (34) zwischen 20% und 80% einer Substratdicke (36) des Zellsubstrats (16) aufweisen, bevorzugt zwischen 30% und 70%, besonders bevorzugt zwischen 40% und 60%.
Absstract of: US20260295515A1
This dehumidification apparatus is for dehumidifying a hydrogen gas that is produced by a hydrogen production device, the dehumidification apparatus comprising: a dehumidifier that includes an adsorption tower, inside of which there is provided an adsorbent that is capable of adsorbing moisture contained in the hydrogen gas; an inlet line for introducing the hydrogen gas from the hydrogen production device into the dehumidifier; an inlet valve that is provided to the inlet line; an outlet line for discharging the hydrogen gas that is dehumidified by the dehumidifier out from the dehumidifier; an outlet valve that is provided to the outlet line; and a control device that is configured to adjust the opening degree of the inlet valve and the opening degree of the outlet valve on the basis of the pressure within the adsorption tower during activation of the dehumidification apparatus.
Absstract of: US20260297766A1
0000 An object of the present invention is to provide an electrolyte membrane having a good joining property with a catalyst layer. The present invention mainly relates to an electrolyte membrane including a layer (A) containing a polymer electrolyte, and a layer (B) existing on at least one face of the layer (A), wherein a particle concentration (Y1) in an interface region of the layer (B), on the layer (A) side, is higher than a particle concentration (Y2) in another interface region of the layer (B), on the opposite side to the layer (A). The particle concentration (Y1) and the particle concentration (Y2) are ratios of the mass of particles existing in the interface region to the total mass of solids existing in the interface region.
Absstract of: US20260297772A1
A semiconductor catalyst is provided, which exhibits an effect of accelerating a reduction reaction by visible light irradiation and is excellent in durability. The semiconductor catalyst of the present disclosure includes thin film containing nitrogen-containing diamond particles in a plane direction and a height direction. The semiconductor catalyst can be produced by, for example, fixing, on a substrate having a positive or negative charge, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the nitrogen-containing diamond particles being opposite to that of the substrate, and laminating, on the fixed nitrogen-containing diamond particles, nitrogen-containing diamond particles having a positive or negative charge, the positive or negative charge of the laminated nitrogen-containing diamond particles being opposite to that of the fixed nitrogen-containing diamond particles. The step of laminating is performed at least once after the step of fixing.
Absstract of: US20260297776A1
A method for controlling a facility containing electrolysers that are fluidically in parallel, including controlling the electrolysers in such a way as to seek to increase the uniformity of the individual loads on the electrolysers in operation. As s a result, specific electrical consumption of the facility for a predetermined total production load or for an electrical power available to power the facility is provided.
Absstract of: US20260297763A1
0000 A method for producing hydrogen, where feed water is subjected to electrolysis with a cathode gas being obtained, wherein the cathode gas contains hydrogen, oxygen and some of the feed water, wherein a process gas flow (102) is formed using at least some of the cathode gas, where the process gas flow contains at least some of the hydrogen, oxygen and feed water contained in the cathode gas, and where, in the process gas flow, at least some of the oxygen is subjected to an oxidative catalytic reaction with some of the hydrogen to form oxidation water, and where at least some of the feed water and the oxidation water in the process gas flow are removed from the process gas flow in a water removal process.
Absstract of: US20260298411A1
0000 A method for storing hydrogen in a plurality of subsea storages in a system. The system comprising an electrolyser source for producing hydrogen at a source pressure; a downstream compressor for compressing the hydrogen from the source pressure to a compressed higher pressure; and a plurality of storages, each for storing compressed hydrogen at the compressed higher pressure and each being subsea. The method comprising at least the steps of: producing hydrogen by the electrolyser source at the source pressure; passing the hydrogen to the plurality of storages through a bypass line around the compressor; and storing the hydrogen in at least one of the plurality of storages at a first pressure below the compressed higher pressure. A system for storing hydrogen in a plurality of subsea storages is also disclosed.
Absstract of: WO2026205758A1
The present invention relates to a hydrogen production system capable of producing hydrogen in an environmentally friendly and economical manner by means of a low-temperature plasma module by using seawater. The present invention is characterized by a low-temperature plasma module hydrogen production system comprising: a water electrolysis unit into which seawater flows, and which electrolyzes the seawater to produce hydrogen; an atomization unit to which an electrolyte remaining in the water electrolysis unit after the electrolysis is transferred through an electrolyte discharge port, and which atomizes the electrolyte into a mist; an aerosol electrolysis unit to which water particles atomized by the atomization unit are transferred, and which is composed of a low-temperature plasma module and makes it possible to re-separate oxygen ions and hydrogen ions in atomized water molecules to produce hydrogen.
Absstract of: WO2026199954A1
The present invention belongs to the technical field of green-electricity-based hydrogen production. Disclosed are a hydrogen-electricity coupling control system and method for off-grid green-electricity-based hydrogen production. The method comprises: executing MPPT control on each photovoltaic module, so as to maximize an output power; distributing output powers to power-type electrolyzers, and adjusting the duty cycles of boost DC/DC converters to stabilize a low-voltage-side current at a set value, such that the power-type electrolyzers always operate at rated power points; and distributing the output powers to regulation-type electrolyzers, and adjusting the output voltages of the boost DC/DC converters to stabilize a high-voltage-side voltage at a target value, such that the regulation-type electrolyzers absorb a fluctuating portion of a photovoltaic power. The present invention can effectively improve the efficiency of a green-electricity-based hydrogen production system, and can realize stable and sustainable hydrogen production without relying on energy storage.
Nº publicación: WO2026200097A1 01/10/2026
Applicant:
NR ELECTRIC CO LTD [CN]
NR ENG CO LTD [CN]
NR ELECTRIC POWER ELECTRONICS CO LTD [CN]
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Absstract of: WO2026200097A1
Disclosed in the present application are a hydrogen-production power supply system and a control method therefor. The system comprises a transformer, a main power branch, an auxiliary power branch, at least one set of energy storage branches, and a busbar, wherein a primary winding of the transformer is coupled to an alternating-current power grid, and a secondary winding of the transformer is coupled to an input terminal of the main power branch; an output terminal of the main power branch is coupled to an off-grid hydrogen production device; the auxiliary power branch is coupled between the secondary winding and the busbar; the energy storage branches are all coupled to the busbar; the main power branch comprises at least one uncontrolled rectifier circuit and at least one chopper circuit, the uncontrolled rectifier circuit being used for converting into direct currents alternating currents that are output by the transformer, thereby saving costs, and the chopper circuits being used for adjusting the voltage of the direct currents to a voltage required by a load of a chopper branch; the auxiliary power branch is used for outputting power to the busbar and performing power exchange with the alternating-current power grid, thereby improving the capability of responding to the alternating-current power grid; and the energy storage branches are used for pre-storing and releasing electric energy by means of the busbar, thereby improving the system stability.
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