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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。

一种电解水用阴极催化层及其制备方法

Resumen de: CN122727851A

本申请属于电解水制氢技术领域，具体涉及一种电解水用阴极催化层及其制备方法。所述电解水用阴极催化层包括气体扩散层和覆盖于气体扩散层上的催化剂层；所述催化剂层包括阴极催化剂、亲水材料、导电材料和阴离子树脂；所述亲水材料为纳米氢氧化镁。本申请的有益效果包括：本申请所述电解水用阴极催化层通过添加纳米氢氧化镁吸水材料，提高催化层的含水量，防止在干阴极运行条件下，由于温度和AEM厚度均匀性差异导致阴极缺水，进而导致电解槽性能下降，使用寿命短的问题。

NiBaTiO3光热催化剂及其制备方法和应用

Resumen de: CN122722255A

0001 本发明属于氢能催化与功能材料技术领域，具体涉及一种NiBaTiO<3>光热催化剂及制备方法和应用。本发明选用水热法制备得到BaTiO<3>作为Ni的钙钛矿型载体，通过载体结构、表面电子态及孔结构调控，能够有效减小Ni物种晶粒尺寸，提高镍活性物种分散性，实现对Ni活性组分的稳定分散和光热响应增强，本发明中的NiBaTiO<3>光热催化剂带隙更窄，具有更强的光吸收能力，更适合光热协同催化；催化剂在较宽温度区间内表现出优异的氨分解制氢活性，且光热催化性能优于纯热催化性能；催化剂在长时间连续反应中仍保持较高活性，稳定性优异。

一种硅/锡掺杂锌铁水滑石电催化剂及其制备方法、应用

Resumen de: CN122727859A

本发明为一种硅/锡掺杂锌铁水滑石电催化剂及其制备方法、应用。一种硅/锡掺杂锌铁水滑石电催化剂的制备方法，包括以下步骤：（1）将泡沫镍放入混合溶液中进行水热反应，反应结束后，干燥，得锌铁水滑石催化剂；所述的混合溶液中包括：锌盐、铁盐、氟化铵、尿素、水；（2）将所述的锌铁水滑石催化剂放入四氯化硅或四氯化锡中浸泡改性，得所述的硅/锡掺杂锌铁水滑石电催化剂。本发明所述的一种硅/锡掺杂锌铁水滑石电催化剂及其制备方法、应用，具有成本低、催化效果好、稳定性强的优势。

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>。

一种电催化剂及其制备方法和应用

Resumen de: CN122727849A

本发明涉及电解水制氢技术领域，公开了一种电催化剂及其制备方法和应用。所述制备方法包括以下步骤：导电基底存在下，将含有钼源、钴源和氟源的水溶液进行水热反应，所得产物经含氢还原气氛进行热处理，得到负载于导电基底上的MoO2/CoMoO3复合结构；在碱性电解液中，对所述负载于导电基底上的MoO2/CoMoO3复合结构进行原位电化学重构，得到所述的电催化剂。本发明解决了现有非贵金属催化剂活性低、易腐蚀、抗氯能力差的痛点，所得电催化剂在500mA·cm‑2工业级电流密度下过电位仅186mV，5000h连续运行电位变化幅度小，展现出远超纯相材料的活性与稳定性，适配工业级制氢场景。

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.

Fast Ambient-Temperature Synthesis of OER Catalysts for Water Electrolysis

Resumen de: US20260265934A1

A water electrolyzer includes an anode formed by a sulfur-doped (Ni,Fe)OOH (S—(Ni,Fe)OOH) electrode. The water electrolyzer also includes a cathode formed by NiMoN nanowire arrays supported on Ni foam.

COUPLED MULTI-PHASE OXIDATION-REDUCTION FOR PRODUCTION OF CHEMICALS

Resumen de: WO2026188059A1

A process for conversion of chemical reactants into products in a plurality of steps includes reacting a first reactant with a first reactive condensed phase material to produce a first product and a second reactive condensed phase material, separating the first product from the second reactive condensed phase material, reacting a second reactant with the second reactive condensed phase material to produce a second product and the first reactive condensed phase material, and separating the second product from the first reactive condensed phase material.

HYDROGEN-PRODUCTION PLANT

Resumen de: WO2026185069A1

The invention relates to a hydrogen-production plant (10), comprising: a plurality of electrolysis devices (11) which are designed to generate hydrogen from water with the aid of electrical current, wherein oxygen is produced during the generation of the hydrogen; a water circuit (13) which is designed to supply water to the electrolysis devices and to remove water and oxygen from the same, wherein the water circuit (13) has a water storage container (17) from which water can be supplied to the electrolysis devices, wherein the water circuit (13) has a pump (16) which is designed to convey the water from the water storage container (17) towards the electrolysis devices, wherein the water circuit (13) has an oxygen separator (18) which is designed to separate oxygen from the water discharged by the electrolysis devices upstream of the water storage container (17). The oxygen separator (18) has at least one first, horizontally extending separation tube (19) to which water and oxygen can be supplied from the electrolysis devices, wherein from a first end (19a) of the respective first, horizontally extending separation tube (19), water can be conducted towards the water storage container (17), and wherein, from a second end (19b) of the respective first, horizontally extending separating tube (19), oxygen can be conducted towards an oxygen outlet (20).

ELECTROLYSIS DEVICE

Resumen de: WO2026185353A1

The present invention discloses an electrolysis device. The electrolysis device according to the present 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 a 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.

ELECTRODE FOR ELECTROCHEMICAL CELLS

Resumen de: US20260265935A1

An electrode for electrochemical cells designed to perform electrolysis is a support formed with an open porous metal structure and provided, on the outward-facing surface facing a separator of an electrochemical cell, with a coating that increases the specific surface area or with a coating that increases the specific surface area and exhibits increased catalytic activity. The coating is formed from a metal whose particles are bonded via material bonding to one another and to the surface of the open porous metal structure via sinter bridges and/or an organic binder. The coating is formed with multiple regions, between which uncoated interstices are arranged.

Process and catalyst for the production of hydrogen by decomposition of ammonia by plasma catalysis

Resumen de: US20260264061A1

The present invention relates to a process for converting a gas comprising NH3 in the presence of a cold plasma, preferably a plasma generated by dielectric barrier discharge (DBD), and of a catalyst comprising a support comprising alumina, nickel, and at least one promoter comprising iron. The invention also relates to such a catalyst, and to the use thereof for producing high value-added molecules like hydrogen (H2).

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.

Electrolyser System

Resumen de: US20260265939A1

The present invention relates to an electrolyser system (10) comprising at least one electrolyser (20), the electrolyser (20) comprising at least one steam inlet (41) and at least one off-gas outlet (38; 39), and a turbocharger (62) for compressing off-gas from the electrolyser (20). The turbocharger (62) comprises a drive fluid inlet, a drive fluid outlet, a compression fluid inlet, a compressed fluid outlet, a compressor (13) and a turbine (12). The turbine (12) is configured to drive the compressor (13). The drive fluid outlet of the turbocharger (62) is fluidically connected to the at least one steam inlet (41) of the electrolyser (20). The at least one off-gas outlet (38; 39) of the electrolyser (20) is fluidically connected to the compression fluid inlet of the turbocharger (62). The system (10) can further can comprise a steam source fluidically connected to the drive fluid inlet of the turbocharger (62) for powering the turbine (12) using pressurised steam.

PART COATED WITH A CARBON-BASED LAYER

Resumen de: US20260269280A1

A part includes comprising a metal substrate and a layer of amorphous carbon-based material having sp2 hybridised bonds and sp3 hybridised bonds. The layer has a first content of sp3 hybridised bonds on the substrate side, anda second content of sp3 hybridised bonds on the side of an external surface of the layer,the first content being greater than the second content.An average content within the layer of sp3 hybridised bonds is between 5% and 65%and in that the content of sp3 hybridised bonds evolves continuously within the layer.

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.

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.

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.

BOILING WATER REACTOR WITH AUXILIARY HEATERS, REACTOR REVAMPING METHOD AND METHANOL SYNTHESIS

Resumen de: AU2025230555A1

The present invention relates to boiling water reactors arranged to receive a synthesis gas for producing raw gas products, such as a raw methanol product, particularly for transient operation, such as where the synthesis gas is at least partly provided by producing hydrogen by electrolysis of water or steam. Embodiments of the invention include a boiling water reactor, a method of revamping an existing boiling water reactor, and a process for producing raw gas product, such as raw methanol product, utilizing the boiling water reactor.

SYSTEM FOR PRODUCING ENERGY AND BIOMETHANE FROM WASTE

Resumen de: AU2025224758A1

A system for producing energy and methane includes a waste-to-energy unit configured to produce energy and a flue gas by combusting waste and an oxidizing agent having oxygen and a carbon dioxide (CO2) separation unit configured to separate CO2 from the flue gas to provide separated CO2. The system also includes a bio-methanation unit configured to generate methane (CH4), heat, and water using the separated CO2 received from the CO2 separation unit and received hydrogen (H2) gas. The system further includes an electrolyzer coupled to a source of water (H2O) and an electric power source supplying electricity and configured to split the H2O to generate the oxygen used in the oxidizing agent and the H2 gas used in the bio-methanation unit.

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.

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.