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一种高熵FeCoNiCrMn普鲁士蓝类似物及其作为电催化析氧催化剂的应用

Resumen de: CN122725309A

0001 本发明公开了一种高熵FeCoNiCrMn普鲁士蓝类似物，以铁氰化钠、铬盐、钴盐、镍盐、锰盐和柠檬酸钠为原料为原料，经一步共沉淀法制得，具有面心立方Co<2>Fe(CN)<6>的晶体结构，并且，为纯相普鲁士蓝类似物，微观形貌呈现规则的纳米立方体，尺寸为70‑80 nm，大小均匀，元素均匀分布，不存在元素偏析或富集现象。其制备方法包括以下步骤：首先，制备铁氰化钠溶液，同时，制备铬基溶液后，再得到均匀的铬‑钴‑镍‑锰多金属混合溶液，然后，将铬‑钴‑镍‑锰多金属混合溶液和铁氰化钠溶液进行搅拌反应和静置陈化、离心洗涤和干燥制得。作为电催化析氧催化剂的应用，在电流密度为10 mA·cm<‑2>的条件下，FeCoNiCrMn‑PBA的过电位为330‑338 mV；Tafel斜率为70‑85 mV·dec<‑1>。

一种MoOx修饰CuNi合金的催化电极及其制备方法和应用

Resumen de: CN122727855A

本发明提供一种MoOx修饰CuNi合金的催化电极及其制备方法和应用。所述MoOx修饰CuNi合金的催化电极包括泡沫镍以及负载于所述泡沫镍表面的异质纳米片，所述异质纳米片由Cu0.81Ni0.19合金和MoOx构成。本发明制备的催化电极是通过一步电沉积法制得Cu0.81Ni0.19@MoOx催化电极。在进行环己酮氧化和析氢反应中具有优异的催化性能，能直接作为阴阳极构建无膜流动器件作用于环己酮‑水共电解，在100 mA cm‑2的电流密度下产氢的平均法拉第效率超过95%，在100~250 mA cm‑2的电流密度下实现己二酸法拉第效率超过90%，且具有优异的电解稳定性。

一种石墨炔诱导FeCo-MOF衍生纳米球状自支撑析氧阳极及其制备方法和应用

Resumen de: CN122727830A

0001 本发明提供一种石墨炔诱导FeCo‑MOF衍生纳米球状自支撑析氧阳极及其制备方法和应用。所述阳极以泡沫镍为导电基底，在泡沫镍表面构筑石墨炔纳米墙界面层，并通过原位溶剂热反应在石墨炔/泡沫镍表面生长FeCo‑MOF活性层，形成FeCo‑MOF@GDY纳米球状或纳米团簇状自支撑阳极。石墨炔界面层能够调控Fe、Co物种的成核、生长和电子结构，使FeCo‑MOF衍生形成含Fe、Co、Ni的氧化物小尺寸团簇，所述团簇尺寸可小于2 nm，并可含有原子空位。该结构具有良好的导电性、丰富的活性位点和稳定的界面结合，在碱性析氧反应和阴离子交换膜电解水器件中表现出优异的大电流密度活性与长时间稳定性，可用于工业级电解水制氢。

一种自支撑梯度电极及其制备方法、应用

Resumen de: CN122727895A

本发明提供了一种自支撑梯度电极及其制备方法、应用，属于电解水制氢技术领域。制备方法包括：以镍基导电基底为阴极，在含有镍盐和磷源的氨基磺酸盐体系第一镀液中进行恒流电沉积，在镍基导电基底表面沉积低内应力的致密NiP底层；再以沉积有NiP底层的镍基导电基底为阴极，在第二镀液中进行脉冲电沉积，在NiP底层表面沉积CeO2复合NiCoP催化层。本发明通过构建基底—NiP底层—CeO2复合NiCoP催化层的梯度结构，使电极兼具高析氢活性、牢固的界面结合以及抗反向电流侵蚀能力，且制备过程绿色温和，适用于波动性绿电耦合的碱性电解水制氢。

一种基于瑞士卷结构的双螺旋与多孔介质直混的氨气裂解制氢装置及方法

Resumen de: CN122725189A

一种基于瑞士卷结构的双螺旋与多孔介质直混的氨气裂解制氢装置及方法，本发明涉及氢能、氨燃料预处理及燃烧器技术领域。装置包括由内至外依次布置的燃烧室、裂解室及双螺旋换热预热区，所述双螺旋换热预热区包括在同一水平面内并排缠绕的燃烧氨气进气通道及裂解混合气排气通道，所述燃烧氨气进气通道流道自外向内盘旋延伸，其外侧端设有燃烧氨气进口；内侧端连通至燃烧室；所述裂解混合气排气通道流道自内向外盘旋延伸，其内侧的连通至裂解区，外侧端设有裂解气体出口。本发明体积仅为传统装置的 1/10~1/15，适配车载、分布式等紧凑场景。采用逆流换热结构，无需外部加热，仅靠 10%~20% 的氨气燃烧即可驱动其余氨气裂解。

一种有序介孔η-碳化钼的制备方法及其应用

Resumen de: CN122725273A

本申请公开了一种有序介孔η‑碳化钼的制备方法及其应用，其属于纳米材料制备及电催化技术领域，有序介孔η‑碳化钼由钼源、镍源、有序介孔二氧化硅组成，程序控温进行碳热还原反应制成；制得的有序介孔η‑碳化钼由螺旋纳米线立方周期性排列而成，孔径均匀且分布集中；得益于介孔二氧化硅模板的限域和镍源稳定结构的作用，有序介孔η‑MoC可以在600‑900 °C下稳定存在，以该材料作为电催化析氢材料，在0.5 M H2SO4电解液中‑10 mA/cm2和‑100 mA/cm2的电流密度下过电位为122 mV和189 mV，Tafel斜率为60.9 mV/dec，其析氢活性显著优于类比物α‑MoC和β‑Mo2C。

一种用于碱性电解水制氢纯化系统碱害消除的方法及系统

Resumen de: CN122727866A

0001 本发明公开了一种用于碱性电解水制氢纯化系统碱害消除的方法及系统，包括预防性拦截：在纯化系统的加热器与除氧器之间的管路上设置除碱过滤器，用于拦截在回热器中析出的固态碱；周期性清洗：基于触发机制，定期对回热器、加热器、除碱过滤器及连接管线进行闭路清洗，溶解并清除其中积聚的固态碱。本发明方法通过预防性拦截和周期性清洗，实现制氢纯化系统全流程碱害消除。无需改动原有主体结构，仅新增除碱过滤器并配套闭路清洗回路即可完成改造，改造难度低、成本小。能避免固态碱进入后续设备，防止管路堵塞和催化剂中毒失活，保障系统长期稳定运行，降低维护频率与成本，提升氢气纯度品质。

一种单分散小粒径纳米氧化铱及其制备方法与应用

Resumen de: CN122727840A

0001 本发明公开了一种单分散小粒径纳米氧化铱及其制备方法与应用，涉及电解水制氢技术领域，所述制备方法包括以下步骤：(1)将铱源、还原剂和表面活性剂分别溶于溶剂中，得到铱源溶液、还原剂溶液和表面活性剂溶液；(2)在氮气氛围下，将铱源溶液和表面活性剂溶液混合均匀，然后滴加还原剂溶液，搅拌反应，离心，洗涤，干燥，得到前驱体；(3)将前驱体置于管式炉中煅烧，得到纳米氧化铱。本发明所述纳米氧化铱的粒径小且粒径分布窄，分散性好，具有极高的比表面积和OER活性，能够有效降低OER过电位，使贵金属铱得到有效利用。

一种钌-氧化铈纳米岛/三维层状氮掺杂碳电催化剂及制备方法和应用

Resumen de: CN122727856A

本发明公开了一种钌‑氧化铈纳米岛/三维层状氮掺杂碳电催化剂及制备方法和应用，属于电解水制氢技术领域。本发明的电催化剂包括三维层状氮掺杂碳骨架、锚定于三维层状氮掺杂碳骨架表面的富氧空位氧化铈纳米岛，以及选择性负载于氧化铈纳米岛表面和/或边缘缺陷位点的超细钌团簇。所述钌团簇与氧化铈纳米岛之间形成Ru‑O‑Ce桥联界面结构，构成“钌团簇点—氧化铈纳米岛—三维氮掺杂碳骨架”的多级协同结构。本发明的电催化剂能够在低贵金属用量条件下实现高效、稳定的碱性析氢反应，适用于电解水制氢及相关能源转化领域。

一种基于AI调控的金属循环协同水制氢方法及其控制系统

Resumen de: CN122725191A

0001 本发明公开了一种基于AI调控的金属循环协同水制氢方法及其控制系统，属于可再生能源与固废资源化技术领域。该方法以农业废弃物、冶炼废渣（赤泥、铜渣、钢渣）及生物质碳为原料，通过AI识别原料金属元素构成，智能调控还原冶炼条件制备含钾、钙、钠、镁、铝、锌、铁、锡、铅、铜的单质金属或合金，再与水反应制氢，剩余金属废渣经再生循环重新转化为制氢金属，实现“金属‑制氢‑金属”闭环。控制系统通过感知层采集数据、决策层AI模型优化参数、执行层精准调控，保障反应安全稳定。本发明制氢成本≤6元/kg，较传统技术下降60%，无需高压储氢，金属循环次数≥50次，同时实现工业与农业固废协同治理及零碳排放，具有显著的经济与环境效益。

基于电刷镀的催化电极制备装置及催化电极制备方法

Resumen de: CN122727907A

0001 本申请涉及电解水技术领域，提供了基于电刷镀的催化电极制备装置及催化电极制备方法。催化电极制备装置包括支撑件、刷镀组件和驱动组件。支撑件用于铺设待镀基底。刷镀组件设置于支撑件上，包括刷镀辊和电源。刷镀辊设置于支撑件上，用于将镀液施加于待镀基底上进行电刷镀；电源的阴极与导电辊连接，电源的阳极与支撑件上的待镀基底连接。驱动组件与刷镀辊连接，驱动组件用于带动刷镀辊在支撑件上滚动，以对待镀基底施加镀液并进行电刷镀。驱动组件还用于调节刷镀辊与支撑件在垂直于待镀基底方向上的相对距离，以调节刷镀辊与待镀基底接触状态。该装置基于电刷镀的方式实现了均匀性好的大面积催化电极的制备。

复合电镀电极及其制备方法、碱性电解槽

Resumen de: CN122727896A

本发明提供了一种复合电镀电极及其制备方法、碱性电解槽，制备方法包括，先在导电基体上电镀镍‑;钴‑;铁‑;钼‑;镨多元合金催化层，再于其上电镀残余应力更低的镍或镍合金柔性保护层，两层间形成冶金结合。该电极在保留多元合金高析氢活性的同时，柔性层可有效约束内层应力、抑制裂纹扩展，在300mA/cm2下析氢过电位低于85mV，超声空化失重率低于0.4mg/cm2，兼顾了优异的催化性能与服役寿命。

一种A位缺位钙钛矿氮氧化物及其制备方法和应用

Resumen de: CN122722285A

本发明属于催化材料技术领域，具体涉及一种A位缺位钙钛矿氮氧化物及其制备方法和应用。A位缺位钙钛矿氮氧化物的化学式为La1‑xTiO3‑1.5y‑δNy，其中0＜x≤0.36，0.53≤y≤0.67，0.02≤δ≤0.24。本发明通过优化钙钛矿A位晶格结构中的La3+离子空位浓度，引入A位晶格化学压和局域晶格应力，诱发B位Ti离子3d t2g轨道能量退简并，增强3d(Ti)‑2p(O)价层轨道的共价杂化程度，进而降低价带位置、增大本征带隙、减小深能级缺陷、抑制光生电荷复合，最终实现材料光电性能和光化学性能的有效提升。本发明为钙钛矿氮氧化物光电功能材料的性能优化提供了重要分子设计参考依据。

一种可更换式氢能源供应装置

Resumen de: CN122722163A

0001 本申请公开了一种可更换式氢能源供应装置，涉及制氢供氢设备技术领域。该装置包括供应装置本体和多个水解制氢反应器，各个水解制氢反应器均连接于供应装置本体；每个水解制氢反应器均包括容纳腔体、出氢快速接头和进水快速接头，容纳腔体用于储存水解制氢材料。出氢快速接头和进水快速接头均连接于供应装置本体，进水快速接头与容纳腔体的进水端可拆卸连接，出氢快速接头与容纳腔体的出氢端可拆卸连接，进水快速接头和出氢快速接头均与容纳腔体内部连通。该技术方案能够实现水解制氢反应器的独立拆装与快速更换，并有利于增强供氢规模调整的灵活性，大幅简化拆装运维流程。该方案还能够降低反应热量累积风险，提升氢气产出与供应效率。

一种不锈钢基自支撑析氢电极及制备方法和应用

Resumen de: CN122727858A

0001 本申请属于电解水制氢技术领域，尤其涉及一种不锈钢基自支撑析氢电极及制备方法和应用；本申请提供的一种不锈钢基自支撑析氢电极包括：将不锈钢基材进行预处理，得到预处理的不锈钢基材的预处理步骤，以及将预处理的不锈钢基材浸入电解液中进行阳极氧化，得到不锈钢基自支撑析氢电极的阳极氧化步骤；阳极氧化过程中，利用电解液中氯化钠和硝酸钠构筑出具有高比表面积和丰富活性位点的微观结构，显著提升了析氢催化活性；同时不锈钢基的成本较低，在长期运行过程中稳定性良好，是一种高性能的自支撑析氢电极；解决了现有技术制备的自支撑析氢电极性能较低的技术问题。

电解槽系统以及电解槽系统的操作方法

Resumen de: WO2025181491A1

An electrolyser system comprising at least one electrolyser cell comprising a first outlet for exhaust of off-gas from the first fluid volume at a relatively low pressure, a steam supply configured to supply steam at a relatively high pressure, means for mixing two fluids, a first heat exchanger; and a fuel supply. The means for mixing is configured to exhaust, at an intermediate pressure, an intermediate fluid comprising a mixture of steam from the supply and off-gas from the first fluid volume, and the system is configured to route said intermediate fluid to a first path of the first heat exchanger. The first heat exchanger is configured to transfer heat from the first path for the intermediate fluid to a second path for fuel from the fuel supply to separate water from the first product of the electrolyser reaction by condensing liquid water out of the intermediate fluid. The system is configured to route the first product of the electrolyser reaction out of the system at the intermediate pressure, and to route fuel from the second path of the first heat exchanger to a first inlet of the at least one electrolyser cell.

A FEEDWATER PREPARATION METHOD FOR ALKALINE ELETROLYSER SYSTEM AND A FEEDWATER PREPARATION SYSTEM

Resumen de: US20260265940A1

A feedwater preparation system in a water electrolyser is adapted to produce hydrogen and oxygen in one or more pressurised electrolyser stacks using alkaline water and comprises a product gas conditioning system that has a safety valve out-blow material stream pipe which is connected to a feedwater vessel, and/or has a depressurisation stream pipe from a gas cleaning vessel which is connected to the feedwater vessel.

SYSTEM AND METHOD FOR MAKING GREEN HYDROGEN

Resumen de: US20260265925A1

A system and method of making hydrogen from water. A reaction vessel is provided with an outer shell, a central shaft, and concentric inner tubes separated by annular spaces. Water is delivered to the annular spaces by a water pump through an inlet defined in the reaction vessel. The water courses along a tortuous flow path. That path begins at an inner annular space around a central shaft. It ends at an outer annular space. The water emerges from the reaction vessel through an outlet associated with a manifold. A vibratory stimulus is applied to the reaction vessel and water. Water molecules are dissociated into hydrogen molecules and oxygen atoms. These reaction products are delivered through the manifold along an effluent flow path to a receiving pressure vessel before deployment to a sub-assembly for harnessing clean energy.

BALANCE-OF-PLANT FOR ELECTRO-SYNTHETIC OR ELECTRO-ENERGY LIQUID-GAS CELLS OR CELL STACKS

Resumen de: US20260269283A1

Gas pressure equalisation systems, and method of operation, for an electro-synthetic or electro-energy liquid-gas cell or cell stack. The gas pressure equalisation systems includes a first pressure equalisation tank for partially containing a first liquid and a first gas. The first gas is positioned above a liquid first level. A first gas conduit is provided for the transfer of the first gas between the cell or cell stack and the first pressure equalisation tank. In another aspect, a second pressure equalisation tank may be additionally provided for partially containing a second liquid and a second gas positioned above a liquid second level. A second gas conduit is then provided for the transfer of the second gas between the cell or cell stack and the second pressure equalisation tank.

CLEANING AGENT FOR PICKLING, ELECTROLYSIS DEVICE, AND METHOD FOR PICKLING

Resumen de: WO2026185352A2

The invention discloses a cleaning agent for pickling, an electrolysis device and a method for pickling. The cleaning agent contains a chelating agent, which may effectively remove metal deposits produced by corrosion on surfaces of components of the electrolysis device, improve pickling efficiency and quality, and thus improve an overall production performance of hydrogen. The electrolysis device according to the invention incorporates a reactor, a hydrogen gas-liquid separator, an oxygen gas-liquid separator and a cleaning component, the cleaning component is connected to the reactor, the hydrogen gas-liquid separator and/or the oxygen gas-liquid separator, and is configured to store the cleaning agent for pickling, and is configured to provide the cleaning agent to the electrolysis device during pickling, such that a pickling operation may be performed efficiently, to improve production efficiency. In the method for pickling according to the invention, a concentration of metal ions in the cleaning agent is monitored, which not only may ensure that the cleaning agent is used in an effective range, but also may end a pickling process in time, thereby avoiding excessive consumption of the cleaning agent, saving a pickling time, while ensuring a pickling effect.

エレクトロライザの負荷を移行するための方法

Resumen de: GB2633564A

A method of changing the electrolytic conversion rate within at least one electrolyser cell 10 stack 12 of an electrolyser system (figure 1, 20) is described. The stack 12 has a fluid inlet 114, fluid outlet 116 and a power control system 108. The power control system 108 is used to change the voltage, via a voltage interface 100 across the electrolyser cell stack 12, allowing the fluid outlet temperature 104 to change in response to the voltage change, setting an inlet temperature 106 to substantially match the new outlet temperature, and then allowing the voltage to revert to a substantially thermoneutral value. The electrolyser cell stack 12 is thus operating at a changed stack temperature and changed electrolytic conversion rate. A processor 110 and memory circuit 112 can also be provided for storing information such as preset current, voltage or power delivery changes. The current method may lead to a galvanostatic thermoneutral (GTN) strategy for electrolyzer stack control.

LOW PT-LOADED MXENE-CARBON NANOTUBE AEROGEL FILM AND PREPARATION METHODS THEREOF

Resumen de: US20260265080A1

A low Pt-loaded MXene-carbon nanotube aerogel film and its preparation method are provided. The method includes adding an H2PtCl6 solution to a MXene nanosheet colloidal suspension to obtain a Pt@MXene nanosheet suspension, mixing the Pt@MXene nanosheet suspension with a carbon nanotube suspension to obtain a mixed suspension under ultrasonic treatment, and cooling a metal plate in liquid nitrogen in advance, placing the mixed suspension on a surface of the metal plate for rapid freezing, and freeze-drying to obtain a low Pt-loaded MXene-carbon nanotube aerogel film material with a vertical porous structure.

PROCESS AND PLANT FOR PRODUCING HYDROGEN USING HYDROGEN BROMIDE ELECTROLYSIS

Resumen de: US20260265923A1

A process for producing hydrogen includes a) providing a starting mixture containing bromine, water and a sulfur containing compound, b) reacting the starting mixture provided in a) so as to produce a reaction mixture effluent comprising sulfuric acid and hydrogen bromide, c) separating the reaction mixture effluent obtained in b) into hydrogen bromide enriched compositions and into sulfuric acid enriched compositions the hydrogen bromide enriched composition contains at most 1,000 ppm of sulfuric acid, c) comprises at least two distillation steps, d) subjecting a portion of the hydrogen bromide enriched composition to an electrolysis so as to obtain hydrogen and a bromine containing composition, the electrolysis cell is operated at an operational temperature of at least 70° C., and e) recycling a portion of the bromine containing composition obtained in d) back to a).

IMPROVED METHOD FOR CONVERTING A FEEDSTOCK CONTAINING A BIOMASS FRACTION FOR THE PRODUCTION OF HYDROCARBONS BY MEANS OF FISCHER-TROPSCH SYNTHESIS

Resumen de: US20260265612A1

The present invention relates to a process for converting a feedstock comprising at least one biomass fraction into hydrocarbons, said process comprising a step a) of pretreating the feedstock, a step b) of electrolysis of water into oxygen and hydrogen allowing the production of a stream of hydrogen and of a stream of oxygen, in which the water is at least partly obtained from a Fischer-Tropsch synthesis step e), a step c) of gasification of the feedstock pretreated in step a), in the presence of all or part of the oxygen stream obtained from the water electrolysis step b) so as to obtain a gaseous effluent comprising a synthesis gas, an optional step d) of conditioning the gaseous effluent comprising a synthesis gas obtained from step c) and a step e) of Fischer-Tropsch synthesis of the gaseous effluent obtained from step c) or optionally from step d) in the presence of all or part of the hydrogen obtained from the water electrolysis step b) so as to produce a stream comprising synthetic liquid hydrocarbons and at least one gaseous effluent.

METAL OXIDE SUPPORTED ATOMIC QUANTUM CLUSTERS (AQCs) CATALYSTS AS OXYGEN CARRIERS FOR CHEMICAL LOOPING PROCESSES

Nº publicación: US20260264063A1 10/09/2026

Solicitante:

NANOGAP SUB NM POWDER S A [ES]
UNIV SANTIAGO COMPOSTELA [ES]
UNIV BERLIN TECH [DE]
UNIV LANCASTER [GB]
NANOGAP SUB-NM-POWDER, S.A.
UNIVERSIDADE DE SANTIAGO DE COMPOSTELA
TECHNISCHE UNIVERSITAT BERLIN
LANCASTER UNIVERSITY

Resumen de: US20260264063A1

27 The present invention refers to a process comprising 3-10 metal atoms atomic quantum clusters (AQCs) supported on metal oxides as catalysts for oxygen release; which can be applied to the oxidation of fuels. Additionally, the present invention refers to the use of said 3-10 metal atoms AQCs supported on metal oxides as oxygen carriers in chemical looping reactions, and to catalysts and chemical compositions comprising said 3-10 metal atoms AQCs supported on metal oxides.