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METHOD AND MONITORING SYSTEM FOR CONTROLLING SAFE OPERATION OF ALKALINE WATER ELECTROLYZER

Resumen de: EP4775713A1

0001 The present invention relates to the technical field of alkaline water electrolyzers for hydrogen production, in particular to a method and monitoring system for safe operation control of an alkaline water electrolyzer. The method includes: mounting at least one disc spring deformation monitoring instrument at a disc spring of the alkaline water electrolyzer to monitor the deformation of the disc spring and provide a safe operation control signal source of the electrolyzer; making a control judgment according to the deformation of the disc spring monitored by the disc spring deformation monitoring instrument to judge whether the electrolyzer is within a safe operation range; and triggering a stop signal to stop the operation of the electrolyzer when the deformation of the disc spring exceeds a specified safe use range. According to the present invention, safety problems caused when the electrolyzer operates can be effectively found, and a judgment for electrolyzer maintenance can be made in time to guarantee the safe operation of the electrolyzer.

에너지 생산 및 저장 시스템

Resumen de: WO2025093251A1

An energy production and storage system comprises a power input connection (10) for a renewable energy source (2); an electrolysis device (16) for electrolysis of water to produce oxygen, hydrogen, and heat; an electrical energy storage device (14); a two-way grid connection (12) coupled to an external electrical grid (4); and a controller (8). The controller (8) is configured to: (i) receive information relating to: actual or potential energy production from the renewable energy source (2), the amount of stored energy in the electrical energy storage device (14), and balancing requirements for the external electrical grid (4); (ii) use the energy from the renewable energy source (2) to power the electrolysis device (16) and/or for storage in the energy storage device (14); and (iii) based on the received information, operate the energy production and storage system as a balancing service provider by either: drawing power from the grid (4) to supply the electrolysis device (16), or supplying power to the grid (4) from the electrical energy storage device (14), thereby acting as a switch to aid in balancing for the external electrical grid (4).

METHOD FOR OPERATING AN ELECTROLYSIS PLANT, AND ELECTROLYSIS PLANT

Resumen de: WO2025051652A1

The invention relates to a method for operating an electrolysis plant (1), comprising a stack (2) having an anode (3) and a cathode (4), wherein in normal operation of the electrolysis plant (1), water is supplied to the anode (3) via a water circuit (5) with an integrated pump (6), said water being split in the stack (2) by electrolysis into hydrogen and oxygen, and wherein the hydrogen produced by electrolysis is supplied to a gas-liquid separator (8) via a cathode outlet (10) of the stack (2) and a media line (7) connected thereto. According to the invention, when the electrolysis plant (1) is switched off, the current density is reduced to 0 A/cm² and the media line (7) is shut off with the aid of a valve (9), while the anode (3) continues to be supplied with water via the water circuit (5) with the aid of the pump (6). The invention further relates to an electrolysis plant (1) that is suitable for carrying out the method or can be operated according to the method.

一种BiVO4/CoOx/VO2/FeOOH光阳极复合材料的制备方法及人工树叶装置应用

Resumen de: CN122382640A

本发明公开了一种BiVO4/CoOx/VO2/FeOOH光阳极复合材料的制备方法及人工树叶装置应用，属于新能源材料技术领域。本发明通过在光阳极表面引入CoOx与VO2作为协同空穴储存层，使光阳极能够在不同电位区间实现对光生空穴的有效储存与调控，从而促进光生载流子的空间分离，抑制电子–空穴复合，并显著提升光阳极的光电流密度。此外，进一步引入FeOOH作为析氧助催化剂以提升水氧化反应动力学，构建了BiVO4/CoOx/VO2/FeOOH复合光阳极。通过与硅光伏电池集成，形成了人工树叶装置，该装置在光电化学水分解过程中表现出优异的光电催化活性与长期运行稳定性。

一种单原子铜负载氮化碳纳米片光催化剂及其制备方法和应用

Resumen de: CN122377500A

本发明属于光催化技术领域，涉及一种单原子铜负载氮化碳纳米片的光催化剂，铜是以单个金属原子的形式存在于氮化碳纳米片中。其制备方法包括以下过程：将三聚氰胺进行水热反应，干燥后得到前驱体粉末；将铜源与前驱体粉末进行浸渍，干燥后先通过梯度煅烧，再在530‑600℃下煅烧2‑6小时，得到单原子铜负载氮化碳纳米片的光催化剂。本发明的制备方法简单易行，不需要复杂昂贵的设备、绿色环保无二次污染，反应条件温和，有利于在污染治理技术中推广应用。本发明所制的单原子铜负载的氮化碳纳米片能利用光催化还原水中氢离子制备氢气，以单原子形式存在的铜能够有效提高材料中电子转移效率，实现光催化分解水的高效析氢。

基于反向电压平台期的析氢电极损伤量化以及定位方法

Resumen de: CN122382661A

0001 本公开属于水电解制氢技术领域，提供了一种基于反向电压平台期的析氢电极损伤量化以及定位方法，所述量化方法包括：确定电解槽停机事件，并同步采集电解槽参数数据；基于电解槽参数数据，提取混合电位平台期的单电池特征参数；构建电极损伤当量模型，输入特征参数计算单电池损伤当量。本公开提出并建立了“反向电压平台持续时间T”与“电极腐蚀损伤量”之间的定量映射关系，并基于此实现了对碱性电解槽内部损伤的在线、量化与空间定位评估。

一种基于磁场水热合成无定形高熵氢氧化物负载铂团簇的析氢催化剂及电解水制氢阴极

Resumen de: CN122382604A

0001 本发明提供一种基于磁场水热合成无定形高熵氢氧化物负载铂团簇的析氢催化剂及其制备方法，属于电催化制氢技术领域。该催化剂以泡沫镍钼为基底，浸没在含钴、铁、铈的硝酸盐溶液中水热反应同时外加均匀磁场合成无定形高熵氢氧化物，然后将其在氯铂酸钾溶液中浸渍，铂团簇负载于高熵氢氧化物之上并且形成了Pt‑O‑M(M=Co、Fe、Ce、Ni、Mo)桥键。得到的电催化剂具有较高的氢析出活性，在长期碱性大电流密度下具有长久的稳定性，且催化剂贵金属铂负载量低，因此具有较低的成本和巨大的应用潜力。

一种鳞片状碳基复合电极材料的制备方法及其应用

Resumen de: CN122382628A

0001 本发明涉及复合电极材料技术领域，具体为一种鳞片状碳基复合电极材料的制备方法及其应用。本发明制备的复合电极材料Co‑V<2>O<5>@C中，Co掺杂进入V<2>O<5>晶格中，构建出V‑O‑Co高活性位点，降低含氧中间体的吸附能；同时高电导率Co原子可增大材料的本征导电性；对苯二甲酸与金属之间的配位效应缓解了电极材料在碱性溶液中活性位点的溶解，提高催化稳定性；在高温碳化下，对苯二甲酸演化成含氧的碳层结构，这增大了Co‑V<2>O<5>@C整体导电性；此外，Co‑V<2>O<5>@C可暴露出丰富的活性位点，提高了析氧反应（OER）的产氧效率。基于上述优势，Co‑V<2>O<5>@C展现出良好的电化学性能，可作为催化剂应用于OER中。

一种酸性甲醇氧化-析氢耦合用铂基高熵合金催化剂及制备方法

Resumen de: CN122382620A

本发明属于电化学催化材料技术领域，具体涉及一种酸性甲醇氧化‑析氢耦合用铂基高熵合金催化剂，包括碳纳米管载体，以及负载于所述载体上的铂基高熵合金纳米晶颗粒；其中，所述铂基高熵合金包括Pt、Fe、Co、Ni、V、Mn、Cr和Ti，各元素的原子百分比分别为5%‑35%。本发明提供的铂基高熵合金催化剂同步实现了酸性条件下双功能催化活性、结构稳定性及工业化生产可行性的提升。

高效、高CO2和CH4转化率的多孔阴极及其制备方法与应用

Resumen de: CN122382607A

0001 本发明公开了高效、高CO<2>和CH<4>转化率的多孔阴极及其制备方法与应用。高效、高CO<2>和CH<4>转化率的多孔阴极以Sr<2>Ti<0.8>Fe<1.2>O<6‑δ>系列双钙钛矿为基底，通过溶液浸渍法负载不同量金属Ni纳米颗粒制得，通过控制浸渍‑煅烧循环次数来实现Ni纳米颗粒负载量与分布的可控。Ni的修饰显著提升了阴极的电解活性，在850℃、1.8V电压下，电流密度达1.09A cm <2>，CO<2>与CH<4>转化率分别提升至73.67%和52.05%，CO产速为12.42mL min <1>cm <2>，H<2>产速为7.92mL min <1>cm <2>。本发明提供的高效、高CO<2>和CH<4>转化率的多孔阴极为温室气体协同转化与资源化利用提供了高效解决方案。

一种负载钯的氧化钒掺杂氮碳材料及其制备方法和应用

Resumen de: CN122377502A

0001 本发明公开了一种负载钯的氧化钒掺杂氮碳材料及其制备方法和应用，制备方法为：S1、按质量比95:3‑7将锌盐和钒盐溶解于复合溶剂内，然后加入1H‑1,2,3‑三氮唑形成悬浮液A，将得到的悬浮液A连续搅拌反应后，离心、洗涤、干燥得到Zn/V‑MET‑6产物；S2、将Zn/V‑MET‑6于管式炉中在850℃‑1000℃下煅烧1h‑4h，然后冷却至室温得到氧化钒掺杂氮碳；S3、将氧化钒掺杂氮碳与、水、四氯钯酸钠搅拌混合均匀，后加入硼氢化钠还原剂，还原反应结束后，得到悬浮液B；将得到的悬浮液B进行离心、洗涤、烘干，得到负载钯的氧化钒掺杂氮碳材料；该催化剂将Pd纳米颗粒负载在载体中，还原后得到多孔复合材料，稳定性好，且催化甲酸分解的性能优异。

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

Resumen de: 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.

含铱的锰氧化物、催化剂、电极以及水电解方法

Resumen de: 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

Resumen de: 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

Resumen de: 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.

증기 전기분해를 위한 증기를 생성하기 위한 CO2 전기분해로부터의 잉여 열

Resumen de: 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

Resumen de: 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

Resumen de: 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

Resumen de: 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

Resumen de: 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.

一种电解海水制氢的阳极催化剂浆料及其制备方法

Resumen de: CN122382648A

0001 本发明公开了一种电解海水制氢的阳极催化剂浆料及其制备方法，该阳极催化剂浆料的组成成分包括金属卟啉酰腙‑碳纳米管凝胶，该金属卟啉酰腙‑碳纳米管凝胶以含四个酰肼基的金属化卟啉化合物、至少两个醛基的化合物、氨基化的碳纳米管为原料，三者通过共价键构建起稳定、催化活性高、选择性高的三维网络结构，从而使得制备的电解海水制氢的阳极催化剂层同时兼具高活性、高析氧选择性与稳定性。

制氢系统

Resumen de: CN122382579A

0001 本公开涉及一种制氢系统，所述制氢系统包括电解槽、气液分离单元、热量利用单元和渗透压利用单元，通过热量利用单元和渗透压利用单元的协同作用，实现了电解液余热和渗透压能量的高效回收与水资源的循环利用，显著提高了系统的能源利用效率和水资源利用率，系统运行更加稳定高效，具有较强的实用性和推广价值。

电子受体材料及其制备方法、光催化剂

Resumen de: CN122381094A

0001 本申请涉及光催化材料技术领域，尤其涉及一种电子受体材料及其制备方法、光催化剂。本申请提供的电子受体材料具有说明书中式I所示的化学结构通式。本申请的电子受体材料主体以稠环共轭单元为中心，两端共连着四个甲氧基的强拉电子末端，这样的具有稠环共轭单元、基于甲氧基末端的共轭大分子具有高的分子结晶性，更紧密的分子层状堆叠效果。因此，将本申请的电子受体材料用在光催化剂中，可以显著降低由三重态引发的反向电荷转移与载流子复合风险，从而促进了光催化反应效率，具有很好的光催化析氢性能。

一种用于碱性电解水制氢的Ni基非晶合金催化薄带及其制备方法

Resumen de: CN122382622A

本发明涉及电解水制氢催化剂技术领域，公开了一种用于碱性电解水制氢的Ni基非晶合金催化薄带及其制备方法，该制备方法包括以下步骤：S1、将镍、锆、钯、铂按原子比64‑x‑y:36:x:y进行精确称量，经真空电弧熔炼成合金锭；S2、将合金锭熔化后喷射至高速旋转的铜辊表面甩带，形成非晶薄带；S3、将薄带浸入HF溶液中进行脱合金处理；S4、清洗干燥后获得多孔非晶催化薄带。该方法制备的催化薄带在碱性电解液（1 M KOH）中表现出优异的析氢反应（HER）催化性能，实现10 mA/cm2电流密度下的过电位低至13 mV，塔菲尔斜率达12 mV/dec，且工艺重复性高、步骤简单，适于规模化生产。

一种含磷贵金属涂层的碱性电解水制氢电极及制备方法

Nº publicación: CN122382547A 14/07/2026

Solicitante:

深圳铱创科技有限公司

Resumen de: CN122382547A

0001 本发明公开了一种含磷贵金属涂层的碱性电解水制氢电极及制备方法，电极包括雷尼镍基材、内层钴‑镍‑磷‑硼保护层、中间钌基催化层和外层钴‑镍‑磷‑硼催化层，形成“三明治”涂层结构。制备时先通过化学镀在基材上沉积内层保护层，再通过浸泡置换法在含钌离子浸泡液中沉积中间钌基催化层，烧结处理后沉积外层催化层，浸泡液可回收并补充钌盐后重复使用，提高钌利用率；通过内外层对中间钌层的双重保护，显著提升了电极在工业级电流密度下的长期运行稳定性，同时大幅降低了贵金属用量，兼顾了高催化活性与低成本。