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Gas purification filter for improving the purity of hydrogen produced by electrolysis of ammonia and ammonia electrolysis system including the same

Absstract of: KR20260078010A

본 발명은 암모니아를 전기분해하여 생산되는 수소의 순도 향상을 위해 배관에 설치될 수 있는 가스 정제 필터에 관한 것이다. 상기 암모니아 전해 시스템에서 수소의 순도 향상을 위한 가스 정제 필터는, 암모니아 전해 시스템에서 수소를 포함하는 가스를 배출하는 배관에 연결할 수 있는 유입관; 상기 유입관과 일체로 연결되고, 상기 유입관보다 단면적이 확장되는 필터부; 상기 필터부와 일체로 연결되고, 상기 필터부보다 단면적이 축소되는 배출관; 을 포함하고, 상기 필터부는 제올라이트와 실리카겔을 포함하여, 배출되는 가스에서 암모니아와 수분을 제거할 수 있다. 이러한 구성에 따르면, 암모니아 전해 시스템에서 순도 높은 수소를 얻기 위해 최종적으로 수소를 배출하는 배관에 설치되고, 제올라이트와 실리카겔을 포함하고 서펜타인 구조의 유로를 갖는 필터부에 의해 배출 가스에 포함된 수분, 가스상 암모니아, 기타 불순물을 제거할 수 있는 가스 정제 필터를 제공할 수 있다.

一种基于Ni-Mo-Al复合涂层的HER电化学阴极材料

Absstract of: CN122105478A

本发明涉及电化学析氢反应技术领域，具体涉及一种基于Ni‑Mo‑Al复合涂层的HER电化学阴极材料。常规涂层制备技术的成本高、粉末利用率低且涂层与集流体基材之间的结合力差。针对上述问题，本发明提供一种基于Ni‑Mo‑Al复合涂层的HER电化学阴极材料，其是在多孔镍集流体表面负载Ni、Mo、Al三种金属粉末形成的金属复合涂层，金属复合涂层与多孔镍集流体表面形成冶金结合，金属复合涂层是由Mo粉包覆在Ni元素与Al元素形成的Ni‑Al二元共晶相中得到的涂层。本发明电极材料中未采用任何贵金属，成本低，涂层与集流体基材之间的结合力形成冶金结合，结合力强，不产生剧毒Cl2气体，更环保。

一种适应波动工况的硫化镍自支撑解水电极原位构筑方法

Absstract of: CN122105462A

本发明公开了一种适应波动工况的硫化镍自支撑解水电极原位构筑方法，属于电解水制氢技术领域。本发明通过强氧化性酸对镍基底材料进行表面刻蚀，形成具有微纳尺度级粗糙表面的结构状态，随后在温和条件下进行硫化处理，原位构筑具有成分与结构梯度变化的Ni/NiSx异质界面。该梯度界面可实现催化剂‑基底一体化，避免了传统工艺中依赖聚合物粘合剂所导致的活性位点屏蔽、界面接触电阻高及结合力弱等问题。本发明提供的一体化自支撑硫化镍电极可实现催化剂层与基底之间的强韧结合与高效电荷传输，从而显著提升电极在反向电流冲击、气泡冲刷及溶液流动等严苛工况下的结构完整性与氧化还原可逆性，最终实现高活性与高稳定性的统一。

一种自支撑跨尺度分级多孔高熵合金电极及其制备方法

Absstract of: CN122105455A

本申请涉及制氢电极技术领域，主要涉及一种自支撑跨尺度分级多孔高熵合金电极及其制备方法。其中的制备方法包括以下步骤：将有机膜组份溶于溶剂中，得到有机溶液；称取合金前驱体粉末，高能球磨混合后加入有机溶液中，得到铸膜液；将铸膜液刮膜，经相转换后得到复合膜，干燥后加热除去有机膜组份，再经烧结得到合金金属膜；将合金金属膜进行脱合金，得到自支撑跨尺度分级多孔高熵合金电极。通过本申请制备的自支撑跨尺度分级多孔高熵合金电极，可承受大电流密度下长时间稳定工作，相较于粉末状的纳米材料具有更好的稳定性，不易脱落，催化活性高。

电解制氢系统及其排水控制方法

Absstract of: CN122105430A

0001 本申请实施例公开了一种电解制氢系统及其排水控制方法，涉及电解制氢技术领域，其中，电解制氢系统包括制备装置、氢气分离器、排水组件以及控制器，所述氢气分离器的进气端与所述制备装置的氢气排出端管道连接；所述排水组件包括抽液装置、存储容器、第一连接管和第二连接管，所述第一连接管连接所述氢气分离器的排水端和所述抽液装置的输入端，所述第二连接管连接所述抽液装置的输出端和所述存储容器的进水端；所述控制器基于所述电解制氢系统的运行工况参数调控所述抽液装置的运行功率。本申请实施例提供的技术方案旨在实现氢气分离器的稳压排水，提高电解制氢系统的稳定性和安全性能。

Floating type offshore hydrogen production platform

Absstract of: CN122101426A

The invention relates to a floating type offshore hydrogen production platform which comprises a floating type foundation, a generator set, a hydrogen production unit and a hydrogen storage unit. The floating foundation is of an annular structure and comprises a plurality of foundation units which are sequentially connected end to end, and every two adjacent foundation units are detachably and fixedly connected. The generator set is arranged on the basic unit and used for generating electricity through at least one of wind energy, tidal current energy and solar energy. And the hydrogen production unit is arranged on the basic unit and is electrically connected with the generator set. The hydrogen storage unit is arranged on the basic unit and connected with the hydrogen production unit, and the hydrogen storage unit is used for receiving and storing hydrogen prepared by the hydrogen production unit. The floating foundation is formed by detachably connecting a plurality of foundation units, and each foundation unit is provided with a generator set, a hydrogen production unit and a hydrogen storage unit. The single basic unit can independently complete the whole process of energy capture, conversion, storage and output, the single basic unit can be independently disassembled and maintained when damaged during operation and maintenance, the other basic units can still operate normally, the operation and maintenance efficiency is high, and the cost is low.

电解制氢装置、电解制氢装置的控制方法及控制装置

Absstract of: CN122105431A

0001 本申请公开了一种电解制氢装置、电解制氢装置的控制方法及控制装置，属于制氢技术领域。电解制氢装置包括：至少一个电解槽、氢气分离器、氧气分离器、电解液循环设备、开关阀组和控制器，氢气分离器和氧气分离器之间通过液相回路连接；电解液循环设备的出口端与电解槽的入口端连接，电解液循环设备的入口端与液相回路连接；开关阀组包括设置于电解槽的第一出口端、第二出口端和入口端的第一开关阀，开关阀组还包括设置于液相回路的第二开关阀；控制器与开关阀组连接，控制器用于在电解制氢装置停止制氢的情况下，控制第一开关阀和第二开关阀关闭。电解制氢装置可以在停机后不泄压，保证启动速率，提高能量利用率。

一种核壳结构Ru-Cr双金属氧析出催化剂及其制备方法和应用

Absstract of: CN122105507A

一种核壳结构Ru‑Cr双金属氧析出催化剂及其制备方法和应用，该方法首先将钌盐、铬盐与碳黑载体在溶剂中混合并干燥，获得前驱体粉末；随后利用焦耳加热技术对前驱体进行瞬时脉冲高温处理，最后在空气气氛中进行退火，从而制得目标催化剂。催化剂呈现出独特的富钌核心与富铬壳层结构，并伴随显著的晶格压缩应变。该结构能有效抑制强酸性环境中钌活性组分的过氧化与溶解，同时提升催化活性与稳定性。该催化剂在10mA/cm2电流密度下的过电位仅为200mV；在质子交换膜水电解槽1A/cm2的工业级电流密度下可稳定运行超过400小时。本发明显著提高了钌基催化剂的酸性耐久性，对降低质子交换膜电解水制氢成本具有积极意义。

一种电解海水抗氯腐蚀异质催化阳极电极的制备方法

Absstract of: CN122105475A

0001 本发明公开了一种电解海水抗氯腐蚀异质催化阳极电极的制备方法，涉及先进纳米材料技术领域。通过水热法在金属泡沫表面原位构建镍铁纳米片状结构，对其表面进行有机分子修饰得到具有多孔碳异质结构的镍铁纳米片阵列催化剂。纳米片状结构以及多孔碳有利于氧气和电解液的快速扩散，同时暴露大量活性位点，有利于提高催化效率。析氧反应过程中含有氨基的表面多孔碳与金属表面形成配位键，构建稳定的吸附层，阻隔氯离子与金属表面的直接接触，有效抑制氯腐蚀。在含有1M KOH与0.5M NaCl的碱性模拟海水中在较低的过点位下(HER:360mV)达到500mA/cm<2>的电流密度和200小时的稳定性。本发明制备工艺简单，在未来电解海水制氢的实际应用中具有重要价值。

Method for preparing ethylene through polarity alternating square wave electrooxidation succinic acid decarboxylation

Absstract of: CN122105419A

The invention discloses a method for preparing ethylene through polarity alternating square wave electrooxidation succinic acid decarboxylation, belongs to the technical field of new energy chemical industry, and aims to eliminate the problems of catalyst deactivation and rapid poisoning. Square wave alternating currents with alternating polarities are applied between the working electrode and the counter electrode, and ethylene and hydrogen are prepared through electro-catalysis. According to the method, the activity of the catalyst can be effectively maintained, the reaction path can be accurately regulated and controlled, the conversion from the Colbe dimerization to the non-Colbe path of high-selectivity ethylene generation is completed, the efficient and continuous conversion of succinic acid electrooxidation decarboxylation ethylene preparation is realized, and the method is expected to be applied to actual production.

一种电解卤化盐溶液脱汞耦合产氢系统及方法

Absstract of: CN122098221A

本发明提供一种电解卤化盐溶液脱汞耦合产氢系统包括：模拟烟子系统、脱汞耦合产氢反应子系统、储氢子系统、汞回收与卤化盐再生子系统、检测子系统。本发明还提供一种电解卤化盐溶液脱汞耦合产氢方法，包括：生成含汞烟气；电解卤化盐溶液使含汞烟气中的单质汞被氧化，得到含汞溶液与含卤烟气；同时，对水分子电解生成氢气；采用沉淀剂处理含汞溶液，得到汞沉淀物与卤化盐溶液；对含卤烟气进行脱卤处理、酸性吸收、脱水蒸汽处理，得到的纯中性气体；检测纯中性气体中的汞含量后，进行碳吸附处理。上述发明系统与方法均具有脱汞效果好、成本低、无二次污染、资源有效回收且同时实现氢气联产等特点，可广泛应用于大气治理领域。

一种镍锌析氢电极及其制备方法和电解槽

Absstract of: CN122105500A

0001 本发明属于水电解制氢氧技术领域，具体涉及一种镍锌析氢电极及其制备方法和电解槽。所述方法步骤如下：将电极基体采用喷砂、电解除油、热水洗、水洗、酸洗或酸电解，水洗，实现基材去除氧化层，粗化表面；使用喷涂方式将镍、锌、或合金负载在基材表面上，得到析氢电极前驱体；其后用活化液浸出析氢电极前驱体镀层中的部分锌，从而制成析氢电极；或者，将析氢电极前驱体直接组装入电解槽中，并在电解槽内隔绝氧气进行原位活化，活化完毕后隔绝氧气清洗并通入正式电解液，即可正常电解生产氢氧气。使用该电极的电解槽性能较常规电解槽槽电压更低，能量转换效率更高。

一种电解水制氢装置的健康状态预测方法

Absstract of: CN122105524A

本发明涉及电化学制氢技术领域，具体提供一种电解水制氢装置的健康状态预测方法，方法包括采集电解水制氢装置的运行数据，所述运行数据至少包括电压数据、电流数据和运行时间；将所述电压数据分解为过电势分量，基于最大电压衰退阈值和所述过电势分量计算电化学性能得分；基于所述电流数据和运行时间，计算微观结构损伤参数的累积损伤量，通过映射函数将所述累积损伤量转化为物理结构完整性得分；将所述电化学性能得分和所述物理结构完整性得分进行加权融合，获得电化学制氢装置的健康状态。本发明能够在宏观电压尚未显著恶化时提前预警微观结构的致命损伤，从而实现对不同工况下电解水制氢装置突发性失效的精准预测与主动维护。

具有γ'相纳米阵列结构的析氢催化材料及其制备方法

Absstract of: CN122105486A

0001 本发明公开了一种具有γ'相纳米阵列结构的析氢催化材料，所述析氢催化材料包括钴基合金基体和纳米催化层；所述钴基合金基体为Co‑xAl‑yW合金；其中，x，y为原子百分比，x的取值范围为8~10，y的取值范围为9~10；纳米催化层原位生长于所述钴基合金基体表面，所述纳米催化层具有γ'相纳米阵列结构，所述γ'相纳米阵列结构由呈矩形阵列分布的γ'相纳米单元组成。本发明的析氢催化材料兼具高密度活性位点与优化的析氢反应动力学特性，催化活性优异，且依托氧化层防护与规整阵列结构实现耐酸性和长效稳定性的双重提升，从根本上解决了传统非贵金属催化剂活性与稳定性难以兼顾的技术痛点。

一种光解水制氢装置及系统

Absstract of: CN122105436A

本发明公开一种光解水制氢装置及系统，包括光解水槽具，光解水槽具的内部通过隔离结构分隔形成相互独立的上腔室与下腔室，隔离结构包括至少两个第一隔板以及至少一个第二隔板，至少两个第一隔板相互平行且错位排布，第二隔板两端分别与第一隔板连接形成Z字形；第一隔板为中空框架结构用于密封装载人工树叶模块，第二隔板为中空框架结构并密封装载离子交换膜；人工树叶模块包括相互耦合的光阳极和光阴极，光阳极布置于上腔室内用于氧气的产生，光阴极布置于下腔室用于氢气的产生，离子交换膜实现上、下腔室之间的离子导通。本发明通过将产氢区和产氧区在空间上完全隔离，从源头分离氢气和氧气，有效地避免了氢氧混合的爆炸风险。

Bi4V2O11/BiVO4 heterostructure composite material and in-situ preparation method thereof

Absstract of: CN122098540A

The invention provides a Bi4V2O11/BiVO4 heterostructure composite material and an in-situ preparation method of the Bi4V2O11/BiVO4 heterostructure composite material, and belongs to the technical field of inorganic non-metallic materials. The preparation method of the Bi4V2O11/BiVO4 heterostructure composite material disclosed by the invention comprises the following steps: putting a Bi4V2O11 material into an oxygen-containing atmosphere, and carrying out annealing treatment, so as to prepare the Bi4V2O11/BiVO4 heterostructure composite material. According to the invention, Bi in a bismuth-rich compound Bi4V2O11 is volatilized in an oxygen-rich environment, so that the Bi4V2O11/BiVO4 heterostructure is constructed. The prepared Bi4V2O11/BiVO4 heterostructure photocatalyst has good activity in the aspects of photocatalytic degradation of organic pollutants and photocatalytic production of hydrogen peroxide; the preparation process is simple, and the method is suitable for various conditions such as powder and films with different morphologies; the preparation method has the advantages of process simplicity, application universality and performance superiority, and has important application value in the fields of photocatalysis, functional electronic devices and the like.

Method for synthesizing difunctional MOF (Metal Organic Framework) catalyst based on waste pollutants through one-pot method and application of difunctional MOF catalyst

Absstract of: CN122105515A

The invention relates to the technical field of electro-catalysis, in particular to a method for synthesizing a bifunctional MOF electro-catalyst based on a waste pollutant one-pot method and application of the bifunctional MOF electro-catalyst. According to the present invention, the traditional MOFs ligand is replaced with the PAEs-containing toxic waste and the additive adopted as the preparation raw materials, and the catalyst prepared through the method has the same catalytic performance as the catalyst prepared from the commercial raw material, and is superior to the traditional commercial catalyst in the fields of oxygen evolution (OER) and hydrogen evolution (HER). The preparation process of the catalyst is simple, convenient and efficient, the synthesis period is greatly shortened, and the operation complexity is reduced; the method has the advantages of low energy consumption, greenness, sustainability, high structural controllability, safety in operation and the like. A green and feasible path is provided for in-situ conversion of toxic organic pollutants (such as DBP) to high-value functional materials.

Carbon capture liquid regeneration method and system for coupling electrolytic tank and fuel cell

Absstract of: CN122098184A

The invention relates to the technical field of CO2 capture and utilization, in particular to a carbon capture liquid regeneration method and system for coupling an electrolytic tank and a fuel cell. The method comprises the following steps: 1, carrying out ionic membrane electrolysis treatment on a carbon capture absorption liquid A after absorbing carbon dioxide; 2, introducing mixed gas generated by electrolysis in the step 1 into a cathode of the fuel cell, and introducing hydrogen into an anode of the fuel cell; 3, treating the carbon capture absorption liquid B after absorbing the carbon dioxide as a fuel cell electrolyte; and 4, the electric energy generated by the fuel cell in the step 3 is used for supplementing the electrolysis electric energy in the step 1. The electrolytic tank device and the fuel cell device are coupled, electrochemical regeneration of the carbon capture absorption liquid is achieved, the device has the advantages of being high in electric energy utilization rate and small in secondary pollution, and green regeneration of the carbon dioxide capture absorption liquid can be achieved by fully utilizing electric energy.

一种海水电解制氢催化剂及其制备方法和应用

Absstract of: CN122105484A

本发明提供了一种海水电解制氢催化剂及其制备方法和应用。本发明的制备方法，包括如下步骤：S1：将镍盐、铁盐、锰盐和尿素溶解于去离子水中，搅拌均匀，得到前驱体溶液；S2：将预处理后的三维多孔导电基底浸入前驱体溶液中进行水热反应，在三维多孔导电基底表面原位生长催化剂；S3：反应结束后，取出生长有催化剂的三维多孔导电基底，经洗涤、干燥，得到海水电解制氢催化剂。本发明的海水电解制氢催化剂中催化剂为具有三维分级柱状或棒状结构的锰掺杂镍铁层状双氢氧化物，极大增加了催化剂的比表面积和活性位点数量，显著提升了析氧反应活性和稳定性，在海水电解制氢中表现出优异的OER性能和超长运行稳定性。

一种耐启停的智能碱性电解水制氢设备

Absstract of: CN122105437A

0001 本发明公开了一种耐启停的智能碱性电解水制氢设备，涉及电解水制氢技术领域，包括一对端板，一对端板的相对面开设有圆形凹槽，圆形凹槽的内部固定安装有极板，一块极板的底部连接有正极接头，另一块极板的底部连接有负极接头；一对端板之间设有若干极框，所述极框的内部安装有电解组件，任意一对相邻极框的相对面之间设置有一对框型密封垫，任意一对相邻框型密封垫之间设置有固定隔膜。本发明构建高强度稳固结构抗启停冲击，优化供液与汇流设计保障介质流通稳定，强化密封防护防泄漏串气，优化电解组件适配参数波动，提升启停工况下电解稳定性与氢氧分离效率。

一种电解水制氢低负荷及停车安全运行工艺

Absstract of: CN122105519A

本发明涉及一种电解水制氢低负荷及停车安全运行工艺，包括以下步骤：S1：当电解槽负荷率低于一定负荷时，将一定流量的循环氧气与电解液换热后通入电解槽氧气侧；同时将一定流量的循环氢气与电解液换热后通入电解槽氢气侧；S2：在电解槽停车前及停车后一段时间，通入一定量循环氧气，稀释停车时反向电流产生氢气浓度；在氢气侧通入一定量循环氢气，稀释停车时反向电流产生氧气浓度；S3：停车检修前回收及惰化，向氧气侧出口管道及氢气侧出口管道分别通入氮气，将分离器中氢气或氧气置换送入后系统回收；通过上述结构，提高离网电利用率，减少电解槽停车次数，延长电极寿命，同时实现氢气和氧气的回收利用，提升电解水制氢系统的安全性和经济性。

电解槽氢气气液分离及干燥系统、方法

Absstract of: CN122098204A

0001 本发明公开了一种电解槽氢气气液分离及干燥系统、方法，属于电解水制氢领域，包括：氢气侧电解液冷凝储罐、气液分离罐、冷源装置、控制阀门一，控制阀门二、干燥塔一、针阀、干燥塔二、控制阀门三、控制阀门四、控制阀门五、控制阀门六和气体过滤器，将多级冷却和循环干燥系统应用于氢气干燥和气液分离，可以提高气液分离和干燥的效率，降低全流程能耗；将冷却位点与液体储罐紧密排布，可以节省气液分离和干燥全流程所需的设备空间。本发明有利于设备的进一步集成化和小型化，同时整体用于干燥的能耗进一步降低。

Undersea wireless power supply equipment bionic coupling marine organism prevention and removal system and method

Absstract of: CN122102324A

The invention discloses an undersea wireless power supply equipment bionic coupling marine organism prevention and removal system and method, and belongs to the technical field of ocean engineering. The system comprises a bionic microstructure antifouling layer which is arranged on the surface of a substrate, making contact with seawater, of undersea energy equipment, and the bionic microstructure imitates the microstructure of sharkskin or dolphin skin, has specific rib width, height and interval and is used for interfering attachment and metamorphosis of marine organism larvae; the electrolysis antifouling unit comprises at least one pair of electrodes arranged on the surface of the equipment and is used for electrolyzing seawater to generate trace sodium hypochlorite and hydrogen; the central control unit is electrically connected with the electrolysis anti-fouling unit and is used for controlling intermittent low-power operation of the electrolysis anti-fouling unit according to the water quality parameters fed back by the sensor and a timing strategy; through the synergistic effect of physical bionics and green chemical methods, efficient, long-acting and environment-friendly antifouling and decontamination are achieved, and energy consumption and maintenance cost are remarkably reduced.

Alkenyl tertiary amine monomer for cross-linked anion exchange membrane and preparation method thereof

Absstract of: CN122102923A

The invention discloses an alkylene tertiary amine monomer for a cross-linked anion exchange membrane as well as a preparation method and application of the alkylene tertiary amine monomer. The structure of the monomer is shown as a general formula: (R) (R) N-R, R and R are independently selected from alkyl, aryl, heterocyclic group or alkenyl respectively, R is a group containing at least one alkenyl, and at least two groups in R, R and R respectively contain at least one alkenyl. The preparation method comprises the following steps: halogenating tertiary alcohol amine to obtain halogenated tertiary amine, and reacting the halogenated tertiary amine with a Grignard reagent prepared from halogenated olefin to obtain a target monomer. The monomer molecule contains a plurality of alkenyl groups and tertiary amine groups, can be used as a precursor with polymerizable and ionizable functions, and is used for preparing an anion exchange membrane with a three-dimensional network cross-linked structure. The raw materials are easy to obtain, the synthesis route is simple, the product structure is adjustable, and the prepared anion exchange membrane has high ionic conductivity, excellent dimensional stability and alkali resistance and is suitable for electrochemical devices such as alkaline fuel cells and water electrolysis hydrogen production.

Hydrogen supplementing method and system for coke oven gas cabinet

Nº publicación: CN122107269A 29/05/2026

Applicant:

SHOUGANG JINGTANG UNITED IRON & STEEL CO LTD
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Absstract of: CN122107269A

The invention discloses a hydrogen supplementing method and system for a coke oven gas cabinet, and the method comprises the steps: controlling power generation equipment arranged on the outer vertical surface of the coke oven gas cabinet to recover green energy on the outer vertical surface of the coke oven gas cabinet for power generation, and obtaining a power supply; controlling the water electrolysis equipment to prepare hydrogen under the action of the power supply; and controlling hydrogen recovery equipment to directly convey hydrogen prepared by the water electrolysis equipment to the coke oven gas cabinet so as to directly mix the hydrogen with coke oven gas in the coke oven gas cabinet.