Alerta

用于AEM电解制氢的多参数故障诊断处理方法及系统

Absstract of: CN122384916A

0001 本发明涉及水电解制氢控制技术领域，公开了用于AEM电解制氢的多参数故障诊断处理方法及系统，该方法包括：基于AEM电解槽的电解电流和电解电压，计算当前负载下的理论产热率和理论产气率，并分别计算电解制氢系统的实际散热量和氢氧分离器的实际压力失衡量，以确定系统综合偏差系数；若监测到电解制氢系统的各单项参数未触发越限报警，但系统综合偏差系数超出工艺平衡包络面时，判定系统处于限前复合异常状态并进行诊断；当诊断为换热衰退主导异常时，输出热力补偿指令，以增加实际散热量；当诊断为压力失衡主导异常时，输出压力调平指令，以调节氢氧两侧分离器压力。本发明能够在单点安全报警尚未触发时实现更早的诊断处理。

电源输出防反接检测系统

Absstract of: CN122386189A

0001 本发明涉及水电解制氢技术领域，本发明提供一种电源输出防反接检测系统，其包括：电源、电阻R1、二极管D1、继电器S1、继电器S2、采样模块、电解槽、控制器、检测电源。电源的正输出端与电解槽的正极电连接，电源的负输出端与电解槽的负极电连接，电源的负输出端经继电器S1连接至第一节点，第一节点采样模块的输入端电连接，采样模块的输出端与控制器的输入端电连接，控制器的输出端与电源的控制端电连接，检测电源的正输出端经电阻R1连接至第一节点和二极管D1的阳极，二极管D1的阳极电连接第一节点，检测电源的负输出端经第二节点与二极管D1的阴极电连接，二极管D1的阴极经第二节点与继电器S2的一端电连接。借此保障整个系统的安全稳定运行。

一种镍钼合金电解水制氢电极制备方法

Absstract of: CN122382621A

本发明公开了一种镍钼合金电解水制氢电极制备方法，属于氢能及绿氢制备技术领域。该方法包括以下步骤：（1）将单质镍与单质钼熔炼并制成镍钼合金粉末；（2）将所述镍钼合金粉末与铝粉混合后喷涂于基材表面；（3）对喷涂后的基材进行热处理；（4）进行碱浸造孔处理。本发明通过引入钼元素形成镍钼合金，利用镍与钼之间的电负性差异调控催化剂表面电子结构，显著提升析氢反应活性；同时采用先合金化再制粉的工艺，确保了元素分布的均匀性，增强了电极的稳定性与抗逆电流性能。本发明制备的电极具有多孔结构、高活性和长寿命，适用于碱性电解水制氢领域。

一种Cr掺杂多相异质结构析氧电极及其制备方法与应用

Absstract of: CN122382601A

本发明属于新能源材料与电催化技术领域，具体涉及一种Cr掺杂多相异质结构析氧电极及其制备方法与应用。所述电极包括泡沫镍铁基底以及生长于其上的纳米级多相异质结构。包括步骤：对泡沫镍铁基底进行预处理，去除表面杂质和氧化层；配制反应前驱体溶液，所述溶液含有氧化刻蚀剂和铬前驱体；将预处理后的基底浸没于所述反应前驱体溶液中，在50~100℃下反应0.5~2小时；反应结束后清洗、干燥，得到所述电极。所述氧化刻蚀剂为过硫酸铵，或过硫酸盐与铵盐的复配体系，所述铬前驱体为可溶性三价铬盐。本发明在泡沫镍铁表面构建多相异质结构，实现工业级大电流密度下高催化活性与长周期稳定性协同，满足碱性电解水制氢的严苛工况需求。

一种电解水制氢碳负载的铂纳米催化剂的制备方法

Absstract of: CN122382615A

0001 本发明提供了本制备方法未引入其他杂质，且操作简单，反应条件易于控制，适用于规模化生产应用。所制备的碳负载的铂纳米催化剂的铂载量易于调控，具有较优的电化学活性和稳定性，可应用于质子交换膜电解水制氢的析氢催化剂。一种电解水制氢碳负载的铂纳米催化剂的制备方法，包括以下步骤：（1）将铂盐、稳定剂、水和碳载体进行混合，搅拌至溶解后得到均匀分散的溶液A；（2）将还原剂混合到碱性溶液中，搅拌至溶解后得到溶液B；（3）将上述溶液A和溶液B混合，然后进行水热反应、离心洗涤与分离、烘干处理，得到粉末；（4）将干燥后的粉末在保护性气氛/真空下，进行退火处理，得到碳负载的铂纳米催化剂。

一种电催化剂制备方法及高电流密度电解海水的应用

Absstract of: CN122382633A

0001 本发明属于电催化材料制备技术领域，公开了一种Fe和Mn共掺杂Ni<3>S<2>纳米棒状阵列结构电催化剂的制备方法，通过简单的一步水热法将六水三氯化铁、四水乙酸锰、九水硫化钠溶解在去离子水中，搅拌溶解后与泡沫镍一起转移至高压反应釜中，水热反应后将催化剂洗涤干燥得到电催化剂。该催化剂在碱性淡水/海水中都具有良好的性能，并且具有优秀的稳定性和耐腐蚀性。本发明制备的电催化材料有着独特的纳米棒阵列结构，为反应提供更多的活性位点，加快电子转移速率，从而提高电催化分解水性能。

一种Fe/Co/Ni基超薄氢氧化物或氧化物纳米片制备方法及应用

Absstract of: CN122377555A

本发明公开了一种Fe/Co/Ni基超薄氢氧化物或氧化物纳米片制备方法及应用，构建含有Fe、Co、Ni中至少一种目标金属元素M和含有Al元素的M‑Al层状复合氢氧化物前驱体；将前驱体与碱液接触，使Al元素以可溶性铝酸盐形式从层板中选择性脱嵌，目标金属骨架经原位拓扑转化形成二维超薄金属氢氧化物或氧羟化物纳米片，同步实现片层超薄化、缺陷位点构筑和目标金属羟基骨架活化，所得纳米片厚度小于2.5 nm，具有较高的活性位点暴露导致优异的碱性析氧反应催化活性，本发明方法适用于Ni、Co、Fe及其双金属或三金属组合体系，工艺简单、条件温和，适合制备超薄金属氢氧化物纳米片。

증기 전기분해를 위한 증기를 생성하기 위한 CO2 전기분해로부터의 잉여 열

Absstract of: WO2025104292A1

The invention relates to a system and a method for producing a synthesis gas from a carbon dioxide-rich feed stream and a water feedstock via electrolysis, wherein excess heat from CO2 electrolysis is arranged to generate steam to steam electrolysis. More specifically, a system and a process are provided for production of a synthesis gas stream, said system comprising: a carbon dioxide-rich feed stream; a first H2O-rich feed stream; a first solid oxide electrolysis (SOEC) section; a second solid oxide electrolysis (SOEC) section; and a conversion section. Optimal use of heat energy is achieved by heat transfer from the output of the first SOEC section to the input of the second SOEC section.

水电解池用电极及其制造方法、包含该电极的水电解池用膜电极组件及水电解池

Absstract of: WO2025143688A1

Provided is an electrode for water electrolysis cells, which comprises: a catalyst layer including noble metal oxide-containing active particles and an ion conductor; and a porous pattern layer located on one surface of the catalyst layer, wherein the porous pattern layer extends in a first direction parallel to one surface of the catalyst and includes first patterns parallel to the one surface of the catalyst layer and spaced apart in a second direction different from the first direction, the first patterns including a stack of multiple nanowires, the nanowires including a metal oxide doped with fluorine.

用于水电解池析氧反应的催化剂及其制造方法、包含该催化剂的用于水电解池的膜电极组件及水电解池

Absstract of: WO2025143689A1

Provided is a catalyst for an oxygen evolution reaction in a water electrolysis cell, the catalyst comprising: a carrier containing a fluorine-doped metal oxide; and water electrolysis catalyst particles located on the surface of the carrier and containing a fluorine-doped noble metal oxide, wherein in the entire fluorine-doped metal oxide, the content of fluorine is 1 at% to 20 at% relative to a total of 100 at% of the components as measured by high-resolution TEM, energy-dispersive X-ray spectroscopy analysis, and in the entire fluorine-doped noble metal oxide, the content of fluorine is 1 at% to 20 at% relative to a total of 100 at% of the components as measured by high-resolution TEM, energy-dispersive X-ray spectroscopy analysis.

水电解池用膜电极组件及包括该组件的水电解池

Absstract of: WO2025143612A1

The present disclosure relates to a membrane-electrode assembly for a water electrolysis cell and a water electrolysis cell comprising same, wherein the membrane-electrode assembly for a water electrolysis cell further comprises a coating layer positioned on one surface of a catalyst layer to prevent an ion conductor exposed on the surface of the catalyst layer from contacting a microporous layer, and a polymer electrolyte membrane exposed through an opening in which the catalyst layer does not exist due to low loading from contacting the microporous layer, thereby reducing a band bending phenomenon, so that a pinch-off effect can be reduced and performance can be improved. In addition, furthermore, the coating layer serves to connect catalyst layers, which are not in contact with the microporous layer, to each other, thereby enabling smooth electron movement.

用于水电解池的膜电极组件和包括该膜电极组件的水电解池

Absstract of: WO2025127476A1

Provided is a membrane-electrode assembly for a water electrolysis cell, comprising: a polymer electrolyte membrane having an active area and an inactive area surrounding the active area; a hydrogen generation electrode positioned on a first surface of the active area of the polymer electrolyte membrane; an oxygen generation electrode positioned on a second surface of the active area of the polymer electrolyte membrane; a first sub-gasket which is disposed on a first surface of the inactive area of the polymer electrolyte membrane and which surrounds a first electrode; and a second sub-gasket which is disposed on a second surface of the inactive area of the polymer electrolyte membrane and which surrounds a second electrode, wherein the first sub-gasket has a first window that accommodates the hydrogen generation electrode, and a first water supply path that surrounds the first window and exposes the inactive area of the polymer electrolyte membrane.

含铱的锰氧化物、催化剂、电极以及水电解方法

Absstract of: WO2025127054A1

The present disclosure provides at least one of an iridium-containing manganese oxide that exhibits high oxygen-generating electrode catalytic activity in a water electrolysis method, a catalyst that contains the same, an electrode that contains the catalyst, and a water electrolysis method that uses the electrode. With respect to the iridium-containing manganese oxide according to the present invention, the molar ratio of iridium to manganese is not less than 0.001 but 0.250 or less. In one embodiment, the manganese oxide is manganese dioxide that has a β-type crystal structure. In another embodiment, the ratio of the lattice constant in the a-axis direction to the lattice constant in the c-axis direction is not less than 1.420 but less than 1.521.

载体、载体的制造方法及包含载体的氨分解用催化剂

Absstract of: WO2025127730A1

According to exemplary embodiments of the present invention, a support is provided. The support is a support of a catalyst for ammonia decomposition, and the amount of acid sites of the support, as measured by NH3-temperature programmed desorption (NH3-TPD), is 0.006-0.010 mmol/g. Also, according to other exemplary embodiments of the present invention, provided are a method for manufacturing the support, and a catalyst for ammonia decomposition, comprising the support.

분해된 암모니아로부터 잔류 암모니아와 물을 분리하는 방법 및 장치

Absstract of: EP4570743A1

A method for producing hydrogen using a feed stream comprising ammonia is provided. The method may include the steps of: cracking a gaseous ammonia feed comprising ammonia and at least 0.15% water vapor in an ammonia cracker to produce a cracked gas stream comprising hydrogen, nitrogen, unreacted ammonia, and water vapor; cooling the cracked gas stream to a separation temperature that is sufficient for condensing at least a portion of the unreacted ammonia and the water vapor to form a dual phase fluid; separating the dual phase fluid in a separator that is configured to produce an aqueous ammonia stream and a vapor stream, the vapor stream comprising predominantly of hydrogen and nitrogen; wherein the separation temperature is below 0°C.

熱供給源から水素を製造するための方法及びシステム、並びにそのようなシステムを備えたプラント

Absstract of: WO2024240599A1

The invention relates to a method for producing hydrogen by steam electrolysis, using the heat from a hot effluent (102) discharged by an industrial plant, the method comprising the following steps: - heat exchange, in a heat exchanger (106), between the hot effluent (102) and a flow of water (104) in order to produce a first flow of steam (108), - cogeneration of electricity (118) and a second flow of steam (116) by a cogeneration unit (110) supplied with the first flow of steam (108), and - electrolysis of at least part of the second flow of steam (116) in an electrolysis unit (120) powered by the electricity (118), in order to produce a hydrogen flow and an oxygen-rich flow. The invention further relates to a system (100) implementing such a method and to a plant implementing such a system.

电解组件

Absstract of: WO2025119706A1

An electrolysis assembly for operation with an alkaline electrolysis medium. A first region of the assembly comprises an electrolysis cell stack and is adapted for producing product gases in the respective anode and cathode regions of the assembly from the alkaline electrolysis medium. A second region of the assembly comprises components for discharging electrolysis medium enriched with product gas from the first region, for introducing electrolysis medium depleted in product gas into the first region and for separating the produced product gases from the electrolyte medium. Said components have an inside region for direct contact with the alkaline electrolysis medium, wherein the inside region is at least partially formed from a nickel layer and wherein the nickel layer has a layer thickness of at least 0.1 mm and a nickel content of at least 98% by weight.

电解水制氢系统及其控制方法、控制装置及电子设备

Absstract of: CN122358220A

本申请实施例公开了一种电解水制氢系统及其控制方法、控制装置及电子设备，涉及制氢技术领域，该电解水制氢系统包括：制氢设备、绿色能源供电设备、绿色能源互动单元、PID控制器及负荷分配单元；其中，绿色能源互动单元用根据预测绿色供电负荷与实时用电总负荷之间的大小关系，及绿色供电负荷变化趋势，生成实时用电总负荷的目标设定值；PID控制器，用于根据目标设定值与实时用电总负荷之间的偏差，生成负荷调节指令；负荷分配单元，用于根据制氢设备的电解槽的可调功率范围，将负荷调节指令转换为针对电解槽的功率控制指令，以调节各电解槽的运行功率，使实时用电总负荷逼近目标设定值。

通过热处理提高耐久性的氨水电解用催化电极及其制备方法

Absstract of: WO2025127536A1

Disclosed are a catalyst electrode for ammonia electrolysis and a method for effectively producing same, wherein the ratio of oxides and hydroxides in the catalyst electrode for ammonia water electrolysis is improved by introducing a heat treatment step for heat treatment within a specific temperature range after an electroplating step, and as a result, poisoning by nitrogen oxides is suppressed such that durability is improved, and excellent ammonia water electrolysis performance is achieved.

铁钌固溶体催化剂、制备方法及其在氨分解中的应用

Absstract of: CN122352255A

0001 本发明公开了铁钌固溶体催化剂、制备方法及其在氨分解中的应用，主要解决现有铁钌固溶体催化剂的制备方法难以实现原子级均匀合金化、工艺复杂度、存在杂质残留以及易造成成分偏析等技术问题。该制备方法包括：按照目标催化剂的金属原子比分别称取铁前驱体与钌前驱体，并将二者溶解于极性溶剂中，之后超声处理5~30分钟，得到前驱体溶液；准备还原剂并将其迅速加入前驱体溶液中，室温条件下搅拌反应5~30分钟后得到中间产物；所述还原剂的摩尔量是铁前驱体中铁元素和钌前驱体中钌元素总摩尔量的2~100倍；将中间产物经离心、洗涤、真空干燥后得到纳米颗粒；将纳米颗粒置于H<2>气氛中，并在200~800℃的温度下煅烧10min~2h，得到铁钌固溶体催化剂。

电解制氢系统的控制方法、控制器及电解制氢系统

Absstract of: CN122358257A

0001 本申请公开了一种电解制氢系统的控制方法、控制器及电解制氢系统。控制方法包括：根据新能源单元的供电功率控制新能源单元为对应数量的第二电解槽供电，新能源单元对每个第二电解槽的供电功率大于或等于第二电解槽的最低负荷；在新能源单元为对应数量的第二电解槽供电后的剩余功率大于或等于第一电解槽的最低负荷的情况下，控制新能源单元对第一电解槽供电。控制方法可以通过调节新能源单元对第一电解槽和每个第二电解槽的供电功率，使得新能源单元对第一电解槽供电后的剩余功率被第二电解槽利用，提高了新能源单元的供电功率的利用率，同时避免电解槽在低于最低负荷运行导致产生的氢气不合格，确保电解制氢系统在制氢过程中稳定运行。

一种多个固体氧化物电解槽的集成结构

Absstract of: CN122358221A

0001 本发明公开了一种多个固体氧化物电解槽的集成结构，属于电解槽技术领域，包括总排管、第一密封件、分排管、第二密封件以及若干电解槽，所述集成结构为层叠装配结构，所述总排管、第一密封件、分排管、第二密封件、电解槽由下至上依次堆叠设置；所述总排管与分排管沿气道延伸方向呈十字型交叉布置，采用总排管、第一密封件、分排管、第二密封件、电解槽由下至上依次堆叠的层叠装配结构，总排管与分排管沿气道延伸方向呈十字型交叉布置，若干电解槽呈矩形阵列分布于分排管上方，整体结构紧凑、布局规整。总排管与分排管内部均设有相互独立的阳极进气、阳极出气、阴极进气、阴极出气四条气道，各气道独立分隔、互不干扰，有效避免了气体串漏。

水电解电极及其制备方法和应用

Absstract of: CN122358227A

本申请提供了一种水电解电极及其制备方法和应用，所述水电解电极包括基材、设置在所述基材表面的镍钨镀层以及负载在所述镍钨镀层表面的铂颗粒。该水电解电极具有较低的铂负载量，显著降低了成本的同时，还具有较高的制氢效率和较长的使用寿命。

一种复合纳米结构催化剂及其用于小分子电氧化辅助电解海水产氢应用

Absstract of: CN122358239A

本发明属于电化学催化领域，具体涉及一种复合纳米结构催化剂及其用于小分子电氧化辅助电解海水产氢应用。本申请构建了一种独特的具有氧空位和路易斯酸位点的钒氧化物修饰的NiCo2Se4复合纳米结构催化剂，可用于海水环境中的尿素氧化（UOR）、甲醇氧化（MOR）以及5‑羟甲基糠醛氧化（HMFOR）等小分子电氧化反应。首次揭示了氧空位（Ov）诱导晶格氧机制(LOM)显著促进了N‑O键的形成，进而大幅加快了UOR生成NO2⁻的反应动力学，最终，NiCo2Se4@VO仅需1.24 V和1.40 V相对于可逆氢电极（RHE）即可分别达到100和1000 mA cm‑2，表现出了卓越的NO2⁻选择性（法拉第效率高达92.77%），展现了良好的UOR催化性能和长期服役稳定性。

GaN基双助催化剂协同光催化分解水产氢器件及其制备方法

Nº publicación: CN122358219A 10/07/2026

Applicant:

南京邮电大学

Absstract of: CN122358219A

0001 本发明公开GaN基双助催化剂协同光催化分解水产氢器件及其制备方法，属于固态光电极技术领域；器件由下至上依次包括：衬底、n‑GaN层、多量子阱层以及p‑GaN层，器件上刻蚀有贯穿所述p‑GaN层、所述多量子阱层以暴露部分所述n‑GaN层的微孔，微孔的内壁和底面沉积有金属Pt，p‑GaN层未被刻蚀的表面修饰有Co<3>O<4>。该器件除实现高效产氢外，阳极端还能发生产氯反应并与水反应生成具有消毒作用的次氯酸盐（HOCl/OCl<‑>），其浓度可采用DPD比色法进行游离氯/总氯的定量监测，实现产氢—消毒副产物协同输出。本发明具有位点选择性强、气泡管理优、海水适应性高、参数易工程化及可模块化封装等优点。