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CATALYST FOR DEHYDROGENATION OF AMMONIA, MANUFACTURING METHOD THEREFOR, AND METHOD FOR PRODUCING HYDROGEN USING SAME

Resumen de: EP4681815A1

Disclosed are a catalyst for the dehydrogenation of ammonia, a manufacturing method therefor, and a method for producing hydrogen using same. The disclosed catalyst for the dehydrogenation of ammonia comprises clay and an alkali metal and ruthenium impregnated in the clay.

A GEOTHERMAL HYDROGEN PRODUCTION AND COMPRESSION SYSTEM

Resumen de: AU2024236667A1

The present disclosure is directed to a geothermal hydrogen production and compression system, wherein the system comprises an impure water intake to receive water from a impure water source, at least one geothermal well having a well inlet to receive the impure water from the impure water intake in to the geothermal well and one or more well outlets adapted to return heated impure water from the geothermal well, one or more well outlets being adapted to direct the heated impure water from the geothermal well through a steam engine providing a mechanical output, a purification plant comprising one or more purification chambers for separating impurities from the heated impure water expelled from the steam engine to produce at least some fresh water, one or more discharge outlets to discharge one or more products of the purification plant wherein the fresh water is directed to an electrolyser for electrolysis to produce hydrogen gas, where the hydrogen gas is passed through a hydrogen compressor coupled to the mechanical output and pressurised in a storage apparatus.

SOLID OXIDE ELECTROCHEMICAL CELL SYSTEM

Resumen de: EP4682295A1

A solid oxide electrolysis cell system includes: a solid oxide electrolysis cell; a heat storage unit configured to store exhaust heat from outside of the system; a steam generation unit provided in a fuel supply line extending from a water source to a fuel electrode of the solid oxide electrolysis cell and configured to generate steam by using the heat stored in the heat storage unit; and a heat exchange unit provided downstream of the steam generation unit in the fuel supply line and configured to heat, by using the exhaust heat from the solid oxide electrolysis cell, the steam.

CERAMIC REVERSIBLE CELL, STEAM ELECTROLYSIS CELL COMPRISING SAME, FUEL CELL AND AMMONIA CO-ELECTROLYSIS CELL

Resumen de: EP4682297A1

A ceramic reversible cell including any one or more selected from the group consisting of a perovskite-type metal oxide, a hydrate of the perovskite-type metal oxide and a hydride of the perovskite-type metal oxide, in which the any one or more selected from the group consisting of the perovskite-type metal oxide, the hydrate of the perovskite-type metal oxide, and the hydride of the perovskite-type metal oxide include A (A being any one or more selected from the group consisting of Ba, Sr and Ca), B (B being any one or more selected from the group consisting of Zr, Sn, Ce, Ti and Hf), and M (M being any one or more selected from the group consisting of In, Fe, Cr and Mn) as main metal atoms, and satisfy the predetermined formula and include hydride ions when brought into an equilibrium state by contact with dry hydrogen having a water content of 20 ppm or less in a volume ratio at 500°C to 900°C.

WATER ELECTROLYSIS PLANT COMPRISING ONE OR MORE DEGASSERS IN SERIES WITH A STATIC MIXER IN THE SUPPLY PIPE

Resumen de: CN120957794A

The present invention relates to the technical field of electrolysis and, in particular, to a degassing device for an electrolysis plant for producing dihydro (H2) and dioxygen (O2) by electrolyzing water. According to the invention, the apparatus comprises a degassing device (1, 101) comprising a degassing chamber (14, 114), the degassing chamber (14, 114) is provided with an opening for a gas-liquid mixture supply pipe (11, 111), an opening for a liquid discharge pipe (12, 112) arranged below the level of the gas-liquid interface (15, 115) of the degassing chamber (14, 114), and an opening for a gas discharge pipe (13, 113) arranged above the level of the gas-liquid interface (15, 115) of the degassing chamber (14, 114). Furthermore, a static mixer (21, 121) is inserted into the gas-liquid mixture supply tube (11, 111).

SELECTIVE SEPARATORS FOR WATER ELECTROLYSIS APPLICATIONS AND METHODS FOR MAKING THE SAME

Resumen de: CN120981607A

A selective membrane is described that includes a porous polymer membrane and a selective material on at least one outer surface. A selective material comprising a composite material of an ion exchange polymer and zirconia particles (ZrO2) distributed throughout the ion exchange polymer may be applied as a liquid by a spray method. Selective membranes made by the methods described herein are suitable for alkaline water electrolysis applications.

ELECTROLYZER, METHOD FOR MEASURING THE CONCENTRATION OF A GAS COMPOSITION IN AN ELECTROLYZER, COMPUTER PROGRAM PRODUCT, USE OF A MEASURING DEVICE, AND SIMULATION PROGRAM PRODUCT

Resumen de: CN121013979A

The invention relates to an electrolysis device, to a method for measuring the concentration of a gas component in an electrolysis device, to a computer program product, to the use of a measurer and to a simulation program product. The electrolysis device (10) comprises a separation membrane (16) for generating hydrogen (13) and oxygen (15) from water. The electrolysis device (10) has a first line (12) for discharging hydrogen (15) in the hydrogen fluid (17), in the region of which a measuring device (20) for detecting impurities (18), for example oxygen impurities, in the hydrogen fluid (17) is arranged. According to the invention, the measuring device (20) is designed to detect an acoustic characteristic variable in the hydrogen fluid (17). The invention also relates to a method (100) which can be used for determining the concentration (32) of the impurity (18) in the electrolysis device (10). The invention further relates to a computer program product (45) which can be used to carry out such a method (100) and to a simulation program product (60) which can be used to simulate the operating behavior of such an electrolysis device (10). The invention further relates to the use of a measuring device (20) in an electrolysis device (10), said measuring device being designed to measure the velocity (42) of sound in a mixed gas (11).

電磁流体水素発電機

Resumen de: MX2022009657A

A power generator is described that provides at least one of electrical and thermal power comprising (i) at least one reaction cell for reactions involving atomic hydrogen hydrogen products identifiable by unique analytical and spectroscopic signatures, (ii) a molten metal injection system comprising at least one pump such as an electromagnetic pump that provides a molten metal stream to the reaction cell and at least one reservoir that receives the molten metal stream, and (iii) an ignition system comprising an electrical power source that provides low-voltage, high-current electrical energy to the at least one steam of molten metal to ignite a plasma to initiate rapid kinetics of the reaction and an energy gain. In some embodiments, the power generator may comprise: (v) a source of H₂ and O₂ supplied to the plasma, (vi) a molten metal recovery system, and (vii) a power converter capable of (a) converting the high-power light output from a blackbody radiator of the cell into electricity using concentrator thermophotovoltaic cells or (b) converting the energetic plasma into electricity using a magnetohydrodynamic converter.

水素生成装置および発電装置

Resumen de: JP2026009582A

【課題】 水素の生成を確実に効率良く行うことができる水素生成装置を提供する。【解決手段】 アルカリ性の反応液が貯留される反応槽１０と、金属材料を含む原料を反応槽１０に連続的に供給する原料供給装置２０と、原料供給装置２０の作動を制御する制御装置とを備え、反応槽１０において金属材料と反応液とを反応させることにより水素を生成する装置１であって、反応槽１０から排出される水素の流量を測定する流量測定部３３を更に備え、制御装置は、流量測定部３３の測定に基づき、反応槽１０への原料の供給を制御する。【選択図】 図１

水素を含む合成ガス製品を生成するための方法

Resumen de: WO2024132577A1

A process for producing a synthesis gas product comprising hydrogen by an endothermic reaction of a feedstock, said process comprising the following steps: - Supplying a first fuel gas comprising at least 20% of ammonia at a first flow rate into a combustion chamber, - Supplying a second fuel gas comprising at least 10% of hydrogen at a second flow rate into the combustion chamber, at least a first portion of one of the fuel gas being delivered separately from the other fuel gas into the combustion chamber, - Supplying an oxidizing gas stream, - Performing a combustion of the supplied first fuel gas and the supplied second fuel gas with the supplied oxidizing gas stream in the combustion chamber to provide heat to the endothermic reaction.

TWO-ELECTRODE ELECTROCHEMICAL SYSTEM STABILIZATION

Resumen de: AU2024240321A1

An electrochemical system includes a counter electrode and a working electrode spaced from the counter electrode. The working electrode includes a substrate, an array of conductive projections supported by the substrate and extending outwardly from the substrate, each conductive projection of the array of conductive projections having a semiconductor composition, and including a surface, the surface including nitrogen, and an oxynitride layer disposed on the surface. The counter electrode and the working electrode are arranged in a two-electrode configuration.

合金材料CePdAl的用途和电解制氢的方法以及储氢的方法

Resumen de: CN121362983A

本发明提供一种合金材料CePdAl在电解制氢的阴极中和/或在储氢材料中的用途。本发明提供了一种电解制氢的方法，其包括以下步骤：(1)将合金材料CePdAl制备成电解制氢的阴极；(2)提供电解液和阳极；(3)向所述阴极、电解液和阳极中通电，以电解制氢。本发明还提供了一种储氢的方法。本发明发现合金材料CePdAl可以作为电解制氢的阴极，在制氢的同时还可以储氢。

一种溶剂热法合成硒化锌/硫化钼铜光催化剂的方法

Resumen de: CN121361835A

本发明属于光催化析氢技术领域，更具体的说是涉及一种溶剂热法合成硒化锌/硫化钼铜光催化剂的方法。本发明先合成必需的氧化亚铜，再以氧化亚铜为模板合成硫化钼铜，最后硫化钼铜作为助催化剂用于合成硒化锌/硫化钼铜异质结光催化剂。相比于纯硒化锌，硒化锌/硫化钼铜光催化剂有更丰富的析氢活性位点和较低的析氢过电位；并且硒化锌/硫化钼铜光催化剂的载流子分离效率也明显优于纯硒化锌，所以硫化钼铜的引入可以显著提升硒化锌的光催化析氢活性。实验结果表明，硒化锌/1wt%硫化钼铜展现出最佳的产氢性能，其平均产氢速率是纯硒化锌的4.14倍。

一种电解水制氢耦合氕氘分离的方法

Resumen de: CN121362985A

本发明属于电解水技术领域，具体涉及一种电解水制氢耦合氕氘分离的方法。所述方法包括：使用含有铁基催化剂的材料用作析氢反应电极，所述铁基催化剂包含铁元素。本发明发现，采用含铁元素物质作为析氢反应电极用于电解水/海水制氢耦合氕氘分离副产重水，具有优异的性能，分离比可达6以上。铁基催化剂在析氢反应中多为heyrovsky机理，对氕氘吸附选择性强，更容易吸附结合氕生成氢气，从而将氘富集在电解液中，在产氢同时副产重水。

电解系统

Resumen de: AU2024312642A1

The present invention relates to an electrolysis system comprising a tank adapted to contain water or an aqueous solution, an electrolytic array comprising electrically conductive plates, a temperature-resistant cathode proximal to, but spaced apart from, a cathodic end of the electrolytic array, a tank anode proximal to, but spaced apart from, an opposing anodic end of the electrolytic array, wherein the cathodic and anodic ends of the electrolytic array are electrically connected to a negative and positive terminal, respectively, of a first power supply adapted to provide direct-current (DC) power thereto, the temperature-resistant cathode and the tank anode are electrically connected to a negative and positive terminal, respectively, of a second power supply adapted to provide DC power thereto and at least the temperature-resistant cathode is adapted to generate a plasma arc within the water or aqueous solution between an end thereof and a closest plate of the electrolytic array.

一种储氢反应器以及储放氢的方法

Resumen de: CN121360529A

本申请实施例提供了一种储氢反应器以及储放氢的方法。所述储氢反应器包括：反应容器，以及，设置在反应容器上的进料系统；所述反应容器包括功能上耦合的自热反应区和储氢反应区；所述自热反应区设置有铁粉，所述储氢反应区设置有储氢材料；所述进料系统用于向所述自热反应区输入水和气相氧化剂；所述水、气相氧化剂以及铁粉发生放热反应，放热产生的热量将水气化为高温水蒸气，所述高温水蒸气与储氢材料发生水解反应，产生氢气，同时释放热量。该设计不仅极大地简化了系统结构、实现了装置的轻量化与紧凑化，还利用反应热将水瞬间气化，高温气态水携带大量热量且更均匀的与储氢材料反应，从而显著提升了储氢材料的水解反应速率与放氢效率。

一种具有内建电场复合电催化材料及其制备方法和应用

Resumen de: CN121362993A

本发明提供了一种具有内建电场复合电催化材料及其制备方法，属于电化学能源材料技术领域，该制备方法包括以下步骤：将镍网浸泡于盐酸溶液中超声处理后使用去离子水和乙醇冲洗，干燥后得到预处理的镍网；将预处理后的镍网浸泡于由硝酸镍、硝酸钴、尿素和氟化铵溶解于去离子水得到的水热溶液中，使用水热法在镍网表面生长均匀的镍钴氢氧化物纳米片阵列结构；再将得到的镍钴纳米片阵列结构置于含有氯铂酸的氢氧化钾溶液中，通过简单的循环伏安法在纳米片表面均匀沉积铂纳米颗粒，干燥后得到该具有内建电场复合电催化材料。本发明的制备方法合成周期短，合成过程工序简单、操作方便、重复性可靠，非常适合于规模化工业生产。

一种铱钌双原子/海绵镍复合材料及其制备方法和碱性电催化析氢中的应用

Resumen de: CN121362982A

本发明公开了一种铱钌双原子/海绵镍复合材料及其制备方法和碱性电催化析氢中的应用。上述的制备方法包括称取醋酸镍和量取水合肼、氯铱酸、三氯化钌水溶液溶解于去离子水配置混合溶液并置于高压反应釜中进行水热反应得到铱钌双原子/海绵镍复合材料电催化剂。本发明制得的铱钌双原子/海绵镍复合材料相较于原始的海绵镍电催化剂具有更好的碱性电催化析氢性能；其优点在于氯铱酸的酸性会使得部分Ni原子溶出产生Ni空位，从而提供铱钌双原子形核位点。复合材料可以协同催化碱性析氢，其机制为镍位点提供碱性H2O的裂解位点，获得活性氢物种，进一步通过铱钌双原子实现氢质子的快速脱附，从而获得更优异的碱性电催化析氢性能。

电解水装置、膜电极及其制备方法

Resumen de: CN121362981A

本发明涉及膜电极技术领域，特别涉及一种电解水装置、膜电极及其制备方法，电解水装置包括膜电极，膜电极包括离子交换膜和设于离子交换膜至少一侧的催化层，催化层包括至少两层活性层；定义相邻的两活性层为第一活性层和第二活性层；第一活性层设于离子交换膜，第二活性层设于第一活性层背离离子交换膜的一侧，第一活性层中的第一催化剂的体积平均粒径D50小于第二活性层中的第二催化剂的体积平均粒径D50。本申请通过设计梯度催化剂颗粒的分布，提高气泡的排出效率，降低催化剂层的物质传输阻力，优化水电解性能以及降低能耗。

一种金属单原子析氢催化剂及其制备方法

Resumen de: CN121362990A

本发明属于水电解制氢催化剂技术领域，涉及一种金属单原子析氢催化剂及其制备方法，催化剂中包括大量的金属单原子以及少量金属团簇，金属在催化剂中处于氧化状态，催化剂中存在晶态PMA；催化剂中C60与PMA结构共存；制备方法包括：将乙酰丙酮金属络合物、磷钼酸与富勒烯分别溶于4A型分子筛的甲苯溶液中，并分别依序混合并磁力搅拌后洗涤、离心获得金属单原子析氢催化剂；本发明金属单原子析氢催化剂具有优秀的HER性能，室温合成策略实现了高负载量、高分散的金属单原子桥接C60与PMA的PMA‑M‑C60催化剂，且催化成本更低。

一种缺陷NH2-Ni-MOF、制备方法及应用

Resumen de: CN121362335A

本发明公开了一种缺陷NH2‑Ni‑MOF、制备方法及应用，属于压电光催化制氢领域。该方法是首先通过溶剂热法合成前驱体NH2‑Ni‑MOF，让卖家将NH2‑Ni‑MOF材料与研磨球一同放入球磨机中，进行研磨，得到缺陷NH2‑Ni‑MOF；所述的研磨球为5个直径为10 mm的大球与15个直径为5 mm的小球的混合。本发明采用特定比例大小磨球混合研磨制得的D3‑NH2‑Ni‑MOF，实现了高能冲击与高频研磨的协同效应，成功引入了最大浓度的晶格缺陷。该缺陷结构能有效促进光生载流子的分离与迁移，并增强材料在超声作用下的压电极化效应，从而显著提升压电协同光催化性能。在太阳光照及超声振动共同作用下，将D3‑NH2‑Ni‑MOF催化剂分散于甲醇水溶液中，可实现高效且稳定的水分解产氢活性。

一种具有原子级共格界面的CdS/TiO2异质结复合光催化剂的制备方法

Resumen de: CN121360589A

一种具有原子级共格界面的CdS/TiO2异质结复合光催化剂的制备方法，属于光催化领域。特别是涉及通过溶剂热法‑原位水热法制备所述光催化剂的方法，属于催化化学与环境能源技术领域。本发明通过引入十二胺DDA作为界面调控剂，并精确控制水热合成工艺参数，成功地在商业化TiO2表面原位生长出与其晶格高度匹配的CdS纳米晶，从而形成原子级连续的共格界面。该共格界面结构能显著降低界面电荷转移电阻，极大促进光生电子‑空穴对的高效分离与迁移，从而大幅提升了光催化产氢性能。本发明的催化剂在无助催化剂条件下的析氢速率达到18.44 mmol·g‑1·h‑1，是传统非共格界面异质结的2.25倍，具有优异的循环稳定性。

一种Janus型异质结材料及其在光催化水分解中的计算方法和应用

Resumen de: CN121360593A

本发明涉及一种Janus型异质结材料及其在光催化水分解中的计算方法和应用，属于异质结材料技术领域。该材料上层为1T相GeSe单层，下层为1T相SnSSe单层，根据界面原子排列分为GeSe/SSnSe和GeSe/SeSnS两种构型。通过VESTA与VASP软件进行建模与仿真计算，结果表明该材料具备直接Z型异质结特性，能有效促进光生载流子分离并拓宽光吸收范围，显著提升光催化氧化还原能力与太阳能‑氢能转化效率，为开发高效光催化剂提供了新策略。

基于电解槽多状态协同和动态优化的制氢控制方法

Resumen de: CN121363001A

本申请提出了一种基于电解槽多状态协同和动态优化的制氢控制方法。该方法通过将电解槽分组并实时监测光伏发电功率，自动诊断和分配每台电解槽的状态，实现了电解槽负荷与光伏发电功率的精准匹配。系统采用聚合和分散两种动态调整模式，灵活应对不同天气条件下的光伏发电特性。同时，引入分段计价策略和季节性运行模式，优化经济效益。这种方法提高了新能源利用效率，增强了系统灵活性和稳定性，延长了设备寿命，降低了运维成本。它为大规模绿氢生产提供了技术支持，有助于推动绿氢产业发展。

电池堆叠件的板状元件和电池堆叠件

Nº publicación: CN121368647A 20/01/2026

Solicitante:

舍弗勒技术股份两合公司

Resumen de: WO2025051333A1

The invention relates to a plate-like element (10) of a cell stack (2) of an electrochemical system (1), having a first plate side (26), a second plate side (27), a plurality of openings (13, 21, 22, 23, 23') and a first structure (14) for forming a flow field for coolant and several further structures (14') for forming distributors for operating media on the first plate side (26). The structure (14) comprises a coolant conducting structure (15, 16) through which a first coolant path (15) and a second coolant path (16) arranged mirror-symmetrically thereto are formed, each of which have, starting from one of the openings (21), an elongate inflow portion (17), a centre portion (18) which starts from the inflow portion (17), fans out and describes at least one meandering bend (19), and an elongate outflow portion (20) which adjoins the centre potion (18) and is narrower than the centre portion (18). A longitudinal axis (30) of the inflow portion (17) of the first coolant path (15) matches a longitudinal axis (30) of the outflow portion (20) of the second coolant path (16), and a longitudinal axis (30') of the inflow portion (17) of the second coolant path (16) matches a longitudinal axis (30') of the outflow portion (20) of the first coolant path (15). The invention also relates to a cell stack (2) comprising a plurality of such plate-like elements (10) which are parallel to one another.