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HYDROGEN PRODUCTION USING ELECTRICAL POWER GENERATED BY GAS PRESSURE LETDOWN

Resumen de: US2024154496A1

A system includes a flow-through electric generator and an electrolytic cell. The flow-through electric generator includes a turbine wheel, a rotor, and a stator. The turbine wheel is configured to receive natural gas from a natural gas pipeline and rotate in response to expansion of the natural gas flowing into an inlet of the turbine wheel and out of an outlet of the turbine wheel. The rotor is coupled to the turbine wheel and configured to rotate with the turbine wheel. The flow-through electric generator is configured to generate electrical power upon rotation of the rotor within the stator. The electrolytic cell is configured to receive a water stream and the electrical power from the flow-through electric generator. The electrolytic cell is configured to perform electrolysis on the water stream using the received electrical power to produce a hydrogen stream and an oxygen stream.

ガス生成システム

Resumen de: US2025276895A1

The gas generation system decomposes water in contact with the photocatalyst by sunlight to generate a mixed gas composed of oxygen gas and hydrogen gas. The gas generation system includes a housing having a light-transmission wall in which an accommodation space for accommodating water and a photocatalyst is formed. The light-transmission wall transmits the sunlight S that has directly or indirectly reached at least a part of the wall portion forming the accommodation space. The gas generation system includes an irradiation device that causes an artificial light L having a peak wavelength that is absorbed by the photocatalyst to emit light by supply of electric power, and irradiates the light-transmission wall with the emitted artificial light L, and a switch that selectively switches supply or stop of supply of electric power to the irradiation device.

CELL FOR FORMING AN ELECTROLYSER, ELECTROLYSER COMPRISING SUCH CELL, METHOD FOR MANUFACTURING AND OPERATING AN ELECTROLYSER

Resumen de: MX2025005140A

Cell for forming an electrolyser comprising at least one diaphragm or membrane having a first side and a second side opposite the first side, a first cell plate, arranged on the first side of the diaphragm, provided with a first electrode, provided with an inlet channel for supplying or draining electrolyte to or from the electrode, provided with a first discharge channel for discharging oxygen from the electrode, at least one second cell plate, arranged on the second side of the diaphragm, provided with a second electrode and provided with a second discharge channel for discharging hydrogen from the electrode wherein the at least one first and second cell plate are made of a polymer material.

水素生成活性光触媒及びその製造方法

Resumen de: JP2025133000A

【課題】高い水素生成活性を示すＡｌドープＬａＴｉＯ２Ｎ系光触媒及びその製造方法を提供すること。【解決手段】式：ＬａＷＴｉ１－ＸＡｌＸＯＹＮＺで表される組成（但し、Ｘ、Ｙ、Ｚ及びＷは、１．００≦Ｗ≦１．１０，０．０３≦Ｘ≦０．３０，２．００≦Ｙ≦２．５５，及び０．５５≦Ｚ≦１．００を満足する。）を有し、且つペロブスカイト型酸窒化物を主成分とする主触媒粒子を含む、水素生成活性光触媒。【選択図】図１３

水電解装置の運転方法、水電解装置用の制御装置及び水素製造設備

Resumen de: WO2025182682A1

A method for operating a water electrolysis apparatus that comprises an electrolytic bath for electrolyzing water, a hydrogen separator to which hydrogen generated in the electrolytic bath is guided, an oxygen separator to which oxygen generated in the electrolytic bath is guided, and a vent line for discharging gas from the hydrogen separator or the oxygen separator and a vent valve provided to the vent line, the method comprising: a step for halting electrolysis of water in the electrolytic bath; and a step for determining whether or not a first index indicating the amount of increase in the concentration of oxygen in gas in the hydrogen separator or the concentration of hydrogen in gas in the oxygen separator has exceeded a first threshold after the electrolysis has been halted. When the first index exceeds the first threshold, the pressure in the hydrogen separator or the oxygen separator is lowered to a first prescribed value by opening the vent valve.

電解装置、電解装置の制御方法および電解装置の制御プログラム

Resumen de: WO2025182218A1

Provided are: an electrolysis device for reducing a circulating current through a grounding wire; a method for controlling the electrolysis device; and a control program for the electrolysis device. This electrolysis device (1) includes an electrolysis cell (100) having a plurality of rectifiers (20) and a plurality of cell stacks (10) having a common positive electrode, wherein the respective positive electrodes of the cell stacks (10) are connected to respective positive electrodes of the rectifiers (20) installed in parallel, respective negative electrodes of the cell stacks (10) are connected to respective negative electrodes of the rectifiers (20), and a balance cable (80) for connecting the negative electrode of at least one of the cell stacks (10) and the negative electrode of at least one of the other cell stacks (10) is provided.

電解装置の運転方法、電解装置の制御装置、および電解システム

Resumen de: WO2025182228A1

The present invention provides: an operation method for an electrolysis device that is able to quickly reach a rated load; a control device for an electrolysis device; and an electrolysis system. Provided is an operation method for an electrolysis device (100) that is provided with a temperature adjuster (30), which adjusts the temperature of an electrolytic solution supplied to an electrolytic cell (40), the electrolytic cell (40), which electrolyzes the electrolytic solution supplied thereto via the temperature adjuster (30), and a gas-liquid separator (20), which separates a gas and a liquid produced by the electrolytic cell (40), wherein in a state in which the electrolysis device (100) is stopped, warm water is supplied to the temperature adjuster (30).

光触媒を用いた水素ガス製造装置

Resumen de: JP2025132194A

【課題】 光触媒を用いた水素ガス製造装置に於いて、照射光量当たりの水素ガスの生成量をできるだけ多くしつつ、その構成をできるだけコンパクトにする。【解決手段】 水素ガス製造装置は、光を照射されると水を水素と酸素とに分解する分解反応を惹起する光触媒粒子などの光触媒体の分散又は配置された水を収容した断面が四角形の箱型容器部と、箱型容器部の対向する両側面に沿って配列された複数の発光素子とを含み、箱型容器部の対向する両側面から複数の発光素子の発する光が箱型容器部内の前記水へ照射されるよう構成される。【選択図】 図１

IMPROVEMENTS RELATING TO HYDROGEN ELECTROLYSIS SYSTEMS

Resumen de: WO2024094264A2

A hydrogen generation system comprising a hydrogen electrolyser, a power converter connected to the electrolyser, and a control system configured to control the power converter to supply power to the electrolyser The system further includes a monitoring system configured to monitor the operation of the generation system, wherein the monitoring system is configured to: determine a plurality of operational parameters of the electrolyser, and, generate one or more performance metrics based on the determined operational parameters, the one or more performance parameters including: the electrical capacitance of the electrolyser, and/or the equivalent series resistance of the electrolyser. Also disclosed is a method for determining operational performance of a hydrogen generation system including an electrolyser.

ガス発生装置及び窒化装置

Resumen de: JP2025130751A

【課題】 アンモニアを含む原料ガスを反応容器内で低い温度で分解させて水素ガスと窒素ガスとを含むガスを発生させるようにすると共に、アンモニアガスによって被処理物を炉内で窒化処理させる窒化装置の設備コストやランニングコストを低減させる。【解決手段】 炉20内で被処理物をアンモニアガスＮＨ３により５００～６００℃の温度で窒化処理する窒化装置において、アンモニアを含む原料ガスを５００～６００℃で分解させる触媒ｘが収容された反応容器10を炉内に挿入させ、反応容器内で分解させて得た水素ガスＨ２と窒素ガスＮ２とを含むガスを炉内に直接供給するようにした。【選択図】 図２

水電解用電極、水電解用アノード、水電解用カソード、水電解セル、水電解装置、及び水電解用電極の製造方法

Resumen de: US2025207273A1

A water electrolysis electrode includes a conductive substrate and a layered double hydroxide layer. The conductive substrate has a surface including nickel having a plane orientation. The layered double hydroxide layer includes a layered double hydroxide including two or more transition metals. The layered double hydroxide layer is disposed on the surface.

酸素発生剤

Resumen de: JP2025130721A

【課題】電磁波の照射により効率よく酸素を発生し得る酸素発生剤を提供する。【解決手段】本発明の一態様によれば、酸素発生剤が提供される。この酸素発生剤は、３００ＭＨｚ以上２０ＧＨｚ以下の周波数を有する電磁波の照射により、３００℃以上７７０℃以下の温度環境下において酸素元素を離脱する特性を有する複合酸化物を含む。【選択図】図１

电解槽的电解单元及电解槽

Resumen de: CN120591802A

本公开提供了一种电解槽的电解单元及电解槽，其中，电解单元包括：隔膜；两组支撑组件，隔膜位于两组支撑组件之间，以与两组支撑组件形成适用于容纳电解液的两个腔室；绝缘垫片，设置于其中一组支撑组件与隔膜之间，使得隔膜与两组支撑组件密封结合；阴极层，位于两个腔室中的一个内，使得电解液反应析出氢气；以及阳极层，位于两个腔室中的另一个内，使得电解液反应析出氧气。

改进的用于水电解的多层质子交换膜

Resumen de: WO2024126749A1

There is provided a multi-layered proton exchange membrane for water electrolysis, comprising: at least two recombination catalyst layers, each of the at least two recombination catalyst layers comprising a recombination catalyst and a first ion exchange material, wherein at least two recombination catalyst layers are separated by a region devoid of or substantially devoid of a recombination catalyst, and at least two reinforcing layers, each of the at least two reinforcing layers comprising a microporous polymer structure and a second ion exchange material which is at least partially imbibed within the microporous polymer structure.

一种含有高密度层错的异质结构纳米片催化剂、制备方法及其应用

Resumen de: CN120591819A

本发明涉及一种含有高密度层错的异质结构纳米片催化剂、制备方法及其应用，属于析氢反应催化剂技术领域。含有高密度层错的异质结构纳米片催化剂为含有高密度层错的MoNi4/NiO异质结构纳米片催化剂。本发明制备得到含有高密度层错的异质结构纳米片催化剂SF‑MoNi4/NiO，SF‑MoNi4/NiO异质结构纳米片催化剂显著减轻了MoNi4/NiO的功函数，加速了电子转移，优化了氢中间体的吸附，从而提高了HER性能。本发明制备得到含有高密度层错的异质结构纳米片催化剂SF‑MoNi4/NiO，过电位仅为18mV，电流密度为10mA cm‑2，超过了商用Pt/C。以SF‑MoNi4/NiO为阴极的双电极电解槽仅需要1.47V的电压就能达到10mA cm‑2的电流密度。将SF‑MoNi4/NiO组装成太阳能驱动的水电解电解槽时，电解槽实现了高而且稳定的20.2％太阳能‑氢转换效率(STH)。

低贵金属含量的Pt(Pd)基高熵非晶-晶混合态纳米合金催化剂的制备方法

Resumen de: CN120591826A

本发明涉及一种低贵金属含量的Pt(Pd)基高熵非晶‑晶混合态纳米合金催化剂的制备方法，包括以下步骤：在氩气保护的真空环境中，将高熵非晶合金母合金制备成高熵非晶合金条带；在DSC中将高熵非晶合金母合金加热到340℃后立即停止，在室温环境下的冷却，高熵非晶合金母合金基体中均匀析出的纳米晶颗粒，即获得非晶‑晶混合态纳米合金催化剂。本发明处理过程有效控制纳米晶体的形核及长大行为，获得高熵非晶基体中均匀析出的纳米晶颗粒，有效构筑非晶/纳米晶复合结构，在相同的过电位下经过在DSC中将高熵非晶合金母合金加热到340℃后立即停止，在室温环境下的冷却的催化剂的电流密度更高，可以实现纳米合金催化剂的大规模应用。

一种高熵表面工程制备电解水制氢阴极装置

Resumen de: CN120591807A

本发明公开了一种高熵表面工程制备电解水制氢阴极装置，包括底座，所述底座的顶部固定连接有U型板，所述底座的上方设有阴极棒，所述阴极棒的两端均设有旋转筒，每个所述旋转筒上均设有夹持机构，左侧的所述旋转筒的侧壁转动连接有液压杆，所述液压杆贯穿U型板并与其固定连接，右侧的所述旋转筒的侧壁固定连接有旋转杆，所述旋转杆贯穿U型板并与其转动连接，所述U型板的侧壁固定连接有电机。本发明通过设置的夹持机构可以对阴极棒进行同心定位，实现对阴极棒的夹紧固定；通过阴极棒的旋转和打磨块的往复移动可以对阴极棒外壁进行均匀打磨，实用性强。

一种多孔Co3O4-RuO2异质结OER电催化剂及其制备方法和应用

Resumen de: CN120591827A

本发明属于先进有色金属材料技术领域，特别是贵金属纳米催化材料技术领域，具体涉及一种多孔Co3O4‑RuO2异质结OER电催化剂及其制备方法和应用。所述电催化剂是以Co‑MOF为前驱体，通过碳化‑钌离子吸附‑水热‑氧化工艺制备得到的包含Co3O4和RuO2组分的多孔碳材料，其中Co3O4和RuO2组分之间形成异质结界面。本发明还提供了该电催化剂在电催化析氧反应(OER)中的应用。本发明得到的Co3O4‑RuO2异质结电催化剂不仅降低了贵金属的负载量，而且获得了优于商用RuO2的催化活性和稳定性。

电解装置

Resumen de: US2025283232A1

An electrolysis cell of an electrolysis device includes a membrane electrode assembly in which an electrolyte membrane is interposed between a first electrode and a second electrode. The membrane electrode assembly is positioned between a first separator and a second separator. The electrolysis device further includes a seal member and a protection member. The protection member surrounds the outer periphery of the second electrode. The protection member includes a first portion and a second portion. The first portion is interposed between the electrolyte membrane and the seal member. The second portion is interposed between the electrolyte membrane and the second separator.

一种镍基电极的制备方法、由其制备得到的多孔性镍基电极及应用

Resumen de: CN120591853A

本发明提供了一种镍基电极的制备方法、由其制备得到的多孔性镍基电极及应用，涉及电解水制氢电极的技术领域。所述镍基电极的制备方法包括：以待镀镍基体作为阴极，以镍基体作为双阳极，采用恒电流法在含镍盐的电镀液中电镀，在所述阴极的表面形成镍镀层，得到多孔性镍基电极；其中，所述电镀包括：先在0.01～0.2A/cm2的电流密度进行第一次电镀，再在0.5～2A/cm2的电流密度进行第二次电镀。本发明所制得的多孔性电极具有高比表面积，高制氢效率，稳定性好，满足碱性电解槽长期稳定高效运行的需求。

一种脱硫用氢气生产装置

Resumen de: CN120586780A

本发明公开了一种脱硫用氢气生产装置，涉及脱硫制氢技术领域，包括进烟管，所述进烟管的输入端连通到高炉的排烟管，所述进烟管的输出端连通有生石灰反应室，所述生石灰反应室的输出端连通有出烟管，所述出烟管的输出端通过管道连通有脱硫反应室，所述生石灰反应室一侧设置有熟石灰反应室，所述熟石灰反应室的输出端管道连通有分离室，所述分离室的输出端通过管道连通有硫化氢反应室，所述脱硫反应室的输出端连通有过滤干燥室，所述过滤干燥室的输出端管道连通有水箱，所述过滤干燥室一侧设置有研磨机，所述研磨机一侧有加药装置，所述研磨机一侧设置有传送装置三，所述传送装置三的输出端一侧设置有制氢室本发明，具有提高烟气利用率的特点。

一种电解水制氢系统的气相压力控制方法及控制装置

Resumen de: CN120591834A

本发明涉及一种电解水制氢系统的气相压力控制方法及控制装置，其中气相压力控制方法包括：电解水制氢系统的绿电电流变化率小于设定阈值时，若电解水制氢系统的总负荷在预设负荷值以下，则完全关闭第二调节阀和第四调节阀，根据氧气压力反馈控制调节第一调节阀的开度，根据氢气压力反馈控制调节第三调节阀的开度；若电解水制氢系统的总负荷大于预设负荷值，则完全打开第一调节阀和第三调节阀，根据氧气压力反馈控制调节第二调节阀的开度，根据氢气压力反馈控制调节第四调节阀的开度。有利于绿电供电下电解水制氢系统的氧气压力、氢气压力和压差的稳定。

一种Ni-Fe-层状双氢氧化物/沸石复合催化剂及其制备方法与应用

Resumen de: CN120591818A

本发明公开了一种Ni‑Fe‑层状双氢氧化物/沸石复合催化剂的制备方法，按照Ni:Fe为6:1的质量比例将6份NiCl2·6H2O、1份FeCl2·6H2O、9份矿化剂NH4HF2混合，调节溶液的pH值为8，再加入1‑5份的4A沸石，将以上溶液混合均匀后加入到10ml去离子水中，在120℃下水热反应15h，洗涤、干燥后得到所述催化剂。本发明通过引入4A沸石，改善传统二维水滑石比表面积的问题，制备的复合材料比表面积增加了3倍以上，电催化性能增加，原因在于4A沸石的正电荷骨架吸引了水滑石纳米片，使其围绕4A沸石进行生长，材料的形貌从二维转变为三维，从而复合材料的电化学性能增加。本发明通过一步水热法自组装制具有三维花状微球结构的复合催化剂，其制备方法简单、易控制，且成本较低，无需贵金属或复杂设备。

Reverse electrodialysis based water electrolyser

Resumen de: WO2025183341A1

The present invention relates to a reverse electrodialysis-based water electrolysis apparatus capable of producing hydrogen and oxygen with a small amount of electricity consumption and generating electricity in an eco-friendly manner by introducing an exchange membrane having an electrode layer bonded to the surface thereof. The reverse electrodialysis-based water electrolysis apparatus of the present invention may be economically feasible by producing hydrogen and oxygen with a small amount of electricity consumption, and can reduce environmental pollution by generating electricity in an eco-friendly manner. In addition, hydrogen can be produced by using seawater, thereby securing economic feasibility.

Single-chamber microbial electrolysis cell system without ion exchange membrane and method for producing clean gases such as hydrogen and biogas

Nº publicación: KR20250133142A 05/09/2025

Solicitante:

부산대학교산학협력단