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1127
results.
Updated on
22/08/2026 [07:04:00]
Results 925 to 950 of 1127
Absstract of: CN122279660A
0001 本发明属于电催化材料领域，提供一种MoS<2>@PNAC复合材料及其制备方法和在氢气析出反应中的应用。所述MoS<2>@PNAC复合材料的制备方法，包括：S1，将聚对苯二甲酸乙二酯与MgO混合，进行热解；热解后，酸洗去除残留的MgO，所得酸洗产物经过洗涤、干燥，得到塑料衍生碳；S2，将塑料衍生碳进行活化，得到塑料衍生活性碳；S3，将塑料衍生活性碳进行氮掺杂，得到塑料衍生氮掺杂活性碳；S4，将塑料衍生氮掺杂活性碳与硫源和钼源混合，进行水热反应，得到所述MoS<2>@PNAC复合材料。本发明复合材料在碱性体系中的HER催化活性高，过电位低，循环稳定性强，适用于碱性电解水制氢领域。
Absstract of: CN122279634A
The invention discloses a decoupling type hydrazine-containing wastewater electrolytic hydrogen production system and method, and belongs to the field of electrochemistry, and the method comprises the following steps: low-energy-consumption hydrazine-containing wastewater electrolytic hydrogen production is realized through three processes of power generation by a renewable energy source device, hydrogen desorption by electrolysis and nitrogen production by chemical catalysis treatment of hydrazine-containing wastewater; wherein a pair of redox media is used as charge transfer carriers for circulation between the hydrogen evolution electrolysis cell and the individual chemical reactor. In the hydrogen evolution electrolytic tank, the cathode is subjected to a hydrogen evolution reaction, and the anode is subjected to an oxidation reaction of a reduction-state medium. Circulating the obtained oxidation-state medium into the chemical reactor, and spontaneously carrying out reduction reaction on the oxidation-state medium and hydrazine under the action of the catalyst to separate out nitrogen; the total reaction in the whole process is an electrolytic reaction of hydrazine. The hydrogen production electrolysis energy consumption can be directly reduced, the problems of harmful chlorine generation and the like in high-salt wastewater hydrogen production can be avoided, the method has the advantage of time-space decoupling, the method adapts to renewable energy power generation fl
Absstract of: CN122279636A
0001 本申请涉及水电解制氢制氧领域，公开了一种面向高原的阴离子交换膜电解水制氢制氧系统和方法，所述系统包括供液单元、电解槽单元、气液分离提纯单元、压力控制单元和中央控制与协调单元，所述供液单元与电解槽单元连接，所述电解槽单元与气液分离提纯单元连接，所述气液分离提纯单元产生的冷凝水回流至所述供液单元中，所述压力平衡控制单元分别连接气液分离提纯单元内的氢气侧和氧气侧，所述中央控制与协调单元与电解槽单元连接；所述系统可以解决如何在高原低气压环境下实现阴离子交换膜水电解系统长期高效、保证氢安全且稳定供应氧气的技术问题。此外，显著提升系统可靠性与环境适应性，并满足特殊场景下氢氧联产双重需求的技术效果。
Absstract of: WO2026137699A1
An electrolytic cell insulation detection apparatus, comprising: an insulation detection module (10), which comprises a first end (P1) and a second end (P2), wherein the first end (P1) is configured to be connected to an electrode plate (130) of an electrolytic cell, the second end (P2) is configured to be connected to a tie rod (140) of the electrolytic cell, and the insulation detection module (10) is configured to collect an impedance signal of the electrolytic cell during operation; and a control unit (190), which is electrically connected to the insulation detection module (10), and is configured to perform insulation detection on the basis of the received impedance signal.
Absstract of: CN122292461A
The invention relates to the technical field of power distribution system toughness improvement, in particular to a mobile hydrogen energy storage power distribution system toughness improvement method, which comprises the steps of data acquisition and parameter initialization, construction of physical constraints of a power-traffic coupling system based on a multi-microgrid reconstruction strategy, and expansion of an original typhoon scene by adopting an enhancement strategy. The method comprises the following steps: generating an expansion sample set containing a wind and light output prediction error, constructing a fuzzy uncertainty set covering multi-source uncertainty, establishing a distributed robust optimization scheduling model with the aim of minimizing the comprehensive operation cost of a system, performing dual transformation and linear solution on the distributed robust optimization scheduling model, and finally obtaining the distributed robust optimization scheduling model. And obtaining a track of the mobile hydrogen energy storage vehicle, a charging and discharging instruction and an action sequence of a section switch and an interconnection switch of the power distribution network. According to the method, the problems that the multi-network resource collaboration difficulty is large and the data distribution characteristics are difficult to accurately obtain under the extreme disaster are effectively solved, the economy of system post-disaster recovery i
Absstract of: CN122279646A
0001 本发明涉及一种电解水制氢用多孔镍钼合金催化电极及其制作方法，包括提供支撑和导电的镍基底层及其上负载的催化活性层，该催化活性层为多孔结构的镍钼合金，该镍钼合金中含有牺牲金属；其中，镍基底层及其上负载的催化活性层为一体化形成的自支撑结构。该催化电极的制作过程采用两步合金化和最后一步脱合金方法，合金化过程采用表面合金化方式在镍基底表面形成合金，包括机械能助渗法、包埋法、表面化学气相沉积法、电沉积法等，脱合金过程采用气相脱合金或液相脱合金。与现有技术相比，本发明提供的多孔合金催化电极应用于电解水制氢的阴极，析氢反应活性高，性能稳定，且制作方法简单高效，具备实现大规模工业化生产的条件。
Absstract of: CN122279635A
0001 本发明公开了一种高压碱性电解槽用功能性隔膜及其制备方法，属于电解制氢技术领域。本发明从工业碱性电解槽隔膜的核心需求出发，聚焦于现有隔膜阻气性差、泡点压力低的关键缺陷，以及高压力、低负荷工况下氧中氢浓度超标带来的安全隐患，提供了一种高压碱性电解槽用功能性隔膜，包括依次抵接相连的阳极隔离层、多级阳极消氢层、隔膜基材和阴极隔离层；所述多级阳极消氢层由至少两层消氢涂层构成，且各层中消氢催化剂的含量沿隔膜基材向阳极隔离层方向逐层递减。所述高压碱性电解槽用功能性隔膜的制备工艺简单、消氢性能优异且稳定可靠，并能最终实现高压力电解槽隔膜的规模化制备目标。
Absstract of: CN122279669A
本发明公开了一种异质结构电催化剂及其制备方法与应用，属于催化剂技术领域，包括以下步骤：将MoS2粉末和镍粉末混合后于惰性气氛下机械化学球磨反应，即得到所述异质结构电催化剂。本发明提供的方法可在常温常压下实现结构调控与金属掺杂一体化，从而显著提升材料在碱性介质中的析氢活性与稳定性，且本发明具有低能耗、无污染、后处理简单等工业化优势，为高性能低成本氢能材料的规模化制备提供了新路径。
Absstract of: CN122279629A
0001 本发明涉及制氢设备技术领域，且公开了一种电解制氢设备及氢气存储装置，包括反应罐一和反应罐二，所述反应罐一和反应罐二相互连通；所述反应罐一和反应罐二的内部分别设置有负向电极和正向电极；电源，用于对负向电极和正向电极进行供电；所述反应罐一和反应罐二上均通过输送管连接有过滤机，所述过滤机上设置有两个输出管。该电解制氢设备，通过设置截止机构，能够在电解制氢过程中产生隔断，并不会是直通式的氢气输送，所以在电解过程中，整个氢气是不在输送阶段，而是暂时流入存储装置内，当内部液体消耗，进行自动补充时，此时阀体才会打开，进而氢气才会进行输送，而采用间断式的制氢和输送，能够有效保证制氢过程中的安全性。
Absstract of: CN122288218A
0001 本申请公开了一种考虑电解槽故障的制氢系统稳定供氢规划方法和系统，涉及新能源制氢领域，该方法包括获取包含多台电解槽的新能源制氢系统的参数数据、新能源出力历史数据和氢负荷历史数据，分别构建电解槽多状态切换模型、电解槽运行模型、储能电池运行模型和储氢罐运行模型，然后构建新能源制氢系统规划数学模型，最后，采用聚类算法和双层迭代求解算法求解新能源制氢系统规划数学模型，确定新能源制氢系统中各电解槽、储能电池和储氢罐的最优容量规划方案，本申请可以将电解槽故障的不确定性融入制氢系统规划模型，完善电解槽多状态刻画，实现新能源制氢系统各设备的最优容量规划，保障绿氢的稳定可靠供应。
Absstract of: CN122279637A
本申请公开了一种电解制氢系统，属于电解制氢领域。所述电解制氢系统，包括：电解槽；气液分离器，进口与所述电解槽的出口相连；取样分离器，取样进口与所述电解槽的出口相连，且在所述取样进口和取样出口之间设有喷淋装置；喷淋液回收器，第一进口与所述取样分离器的排水口相连，出液口通过驱动泵连接至所述气液分离器。通过将取样分离器和喷淋液回收器设置于电解槽和气液分离器之间，在电解槽的出口取样，及时分析出系统运行的安全性，喷淋装置进行喷淋，实现气液分离，完成气体取样的同时还可以进行气液分离器的补液和电解制氢系统的电解液的回收，节能环保，经济性较好，占用空间较小，成本较低，安全性较高。
Absstract of: CN122279640A
The invention discloses an organic wastewater synchronous treatment and hydrogen production device based on microbial electrochemistry, and relates to the technical field of water pollution control and energy recovery, in particular to an organic wastewater synchronous treatment and hydrogen production device based on microbial electrochemistry. The device comprises a wastewater pretreatment module, an anode biological oxidation module, an ion conduction module, a cathode catalytic reduction module, a gas collection and separation module and an energy regulation and intelligent feedback control module which are connected in sequence. Wastewater enters the anode chamber after being pretreated, and organic matters are oxidized and protons and electrons are released under the action of current-producing bacteria; the electrons are transmitted to the cathode through an external circuit, and the water is reduced under the action of the catalyst to generate hydrogen. The ion exchange membrane ensures directional migration of protons. The system monitors water quality and operation parameters in real time through the intelligent module, dynamically adjusts voltage and water inlet load, and realizes efficient and stable hydrogen production and wastewater purification.
Absstract of: CN122279655A
0001 本发明涉及电催化析氢催化剂技术领域，尤其涉及一种DMF‑DMSO复配溶剂铁钇双金属配位掺杂COF析氢催化剂的制备方法及应用，包括以泡沫镍为基底，九水合硝酸铁、六水合硝酸钇为双金属源，均苯四甲酸二酐(PMDA)和间苯二胺(MPD)为有机配体，二甲基亚砜(DMSO)与N,N‑二甲基甲酰胺(DMF)体积比1:4的混合液为反应溶剂，三乙胺(TEA)为反应调节剂，通过水热法一步合成铁钇双金属COF结构析氢催化剂。本发明所得催化剂以泡沫镍为基底原位生长高结晶度COF骨架，铁钇双金属活性位点均匀分散，析氢催化性能优异，在2000 mA cm<‑2>电流密度下过电位仅517 mV。本发明制备方法工艺简单、反应条件温和、原料易得，实现了催化性能的突破性提升，在电解水制氢、绿氢工业化生产领域具有广阔的应用前景。
Absstract of: CN122292358A
The invention provides a control method of an off-grid hydrogen production system and a related device. The method comprises the following steps: determining fluctuation power of the off-grid hydrogen production system; the fluctuation power is processed through a power filtering module, a first power component and a second power component are obtained, and the frequency of the first power component is lower than that of the second power component; performing first processing on the first power component and inputting the first power component into an electrolytic cell module to enable the electrolytic cell module to execute a first power instruction; and performing second processing on the second power component and inputting the second power component into an energy storage module, so that the energy storage module executes the first voltage instruction. By directly processing a power disturbance signal instead of voltage deviation, rapid coordination ahead of voltage fluctuation is realized; the fluctuation power is physically separated through the power filtering module according to the spectral characteristics, the energy storage module and the electrolytic cell module can work in parallel without communication, and the working efficiency and stability of the off-grid hydrogen production system are greatly improved.
Absstract of: CN122280677A
The invention provides a photovoltaic-driven fuel cell multi-energy coupling circulation system and a control method thereof, and relates to the technical field of new energy power generation and comprehensive utilization, and the system comprises a hydrogen source circulation subsystem, a first path organic Rankine cycle subsystem, a water resource circulation subsystem, and a second path organic Rankine cycle subsystem. According to the system, closed microcirculation of hydrogen energy preparation, purification, power generation and recycling and re-purification is realized through the hydrogen source circulation subsystem; the first path of organic Rankine cycle subsystem is used for recovering cathode tail gas waste heat for power generation and providing condensed water; the water resource circulation subsystem recovers and purifies condensed water, and purge gas is combusted to generate steam; and the second path of organic Rankine cycle subsystem recovers steam waste heat to generate power and is coupled with the first path of organic Rankine cycle subsystem. The technical effects that the hydrogen energy utilization rate is increased, waste heat is fully recycled, closed circulation of water resources is achieved, the diversified energy use requirement is met, and the overall energy efficiency of the system is improved are achieved.
Absstract of: CN122279667A
0001 本发明公开了一种多功能协同复合的超低负载贵金属‑稀土催化剂及其制备方法，采用“贵金属活性中心‑稀土调控中心‑载体缺陷中心”三位一体的协同架构，通过载体缺陷工程、稀土定向引入和贵金属负载三步工艺，精准控制贵金属负载在0.1‑1.8wt%的超低范围。该方法工艺简便、反应条件温和，成本低，适用于镍、钴、锰、铁、铜等过渡金属以及稀土金属载体。制备的催化剂在低贵金属负载下，仍能展现优异且稳定的氢析出和氧析出电催化活性，且在工业级大电流密度下可稳定运行超过500小时，适应多种电解质体系。本发明提供了一种通用、高效且低成本的策略，用于制备高性能电解水电极材料，对推动电解水制氢技术的规模化应用具有重要价值。
Absstract of: CN122274193A
本发明提供了一种镍基合金粉的制备方法及其应用，涉及析氢材料制备技术领域。包括以下步骤：S1.将金属原料在真空条件下、通入惰性气体后熔融，并于1450～1700℃进行一次加热，得合金液后继续加热至1500～1800℃进行二次加热以获得过热熔体，S2.将所述过热熔体形成稳定液流后雾化破碎并凝固得到所述镍基合金粉。本发明所制备的镍钼合金粉末中，钼原子以置换形式固溶于面心立方（FCC）镍基体晶格中，形成热力学稳定的固溶体结构，显著增强了材料在强碱性电解环境中的化学稳定性，有效抑制了钼元素的溶出，从而避免了传统机械混合型Ni‑Mo催化剂因钼流失而导致的析氢反应（HER）活性衰减问题，可在高电流密度长期运行条件下维持优异且稳定的催化性能。
Absstract of: CN122279659A
0001 本发明公开了一种基于静电吸附的电解水自支撑催化材料及制备方法和应用，其属于催化材料技术领域，其中，该自支撑催化材料包括自支撑基底以及负载于自支撑基底表面的镍钼催化剂层；镍钼催化剂层中通过静电吸附引入非贵金属的活性金属元素，以形成具有高度取向的金属晶面结构。该自支撑催化材料在阴离子交换膜电解水测试中的性能优异，通过构建稳定的晶面，具有优异的稳定性和长寿命，解决了现有非贵金属析氢催化材料在阴离子交换膜电解水中活性低以及稳定性差等问题。
Absstract of: CN122279678A
The invention discloses a real-time optimal power distribution method for a proton exchange membrane electrolytic cell system cluster, and belongs to the field of optimization control of the proton exchange membrane electrolytic cell system cluster. The method comprises the following steps: firstly, establishing a proton exchange membrane electrolytic cell subsystem energy consumption characteristic model and a proton exchange membrane electrolytic cell system cluster energy consumption characteristic model; then, determining upper and lower limit constraints of the operating power of the electrolytic cell subsystem, and determining a target function of minimum energy consumption of the proton exchange membrane electrolytic cell system cluster; and finally, performing optimal power distribution on the proton exchange membrane electrolytic cell system cluster, including determining an optimal power distribution coefficient of the electrolytic cell system cluster, determining a good-bad sequence of the operating performance of the electrolytic cell subsystem and a power switching point of the electrolytic cell system cluster, and determining a power distribution coefficient matrix of the electrolytic cell system cluster. And obtaining the optimal power of the electrolytic cell system cluster. The efficiency of the proton exchange membrane electrolytic cell is optimized in real time, so that the hydrogen yield of the hydrogen production system of the proton exchange membrane ele
Absstract of: CN122279649A
本发明涉及电解槽电极板及其制作工艺，包括金属极板和第一密封圈；金属极板限定出相互垂直的X平面和Y平面；在与X平面平行的两个端面上分别设置有流道和第一环状密封槽；在两个端面的第一端面上设置有与该端面流道连通且沿Y平面方向的氧水口和通水口，第二端面上设置有与该端面的流道连通且沿Y平面方向的氢气口；第一密封圈有两个，分别与第一端面和第二端面上的所述密封槽的形状尺寸相适配，且与金属极板一体硫化成型。本发明采用将密封圈和设置有密封槽的金属极板一体硫化成型的结构，将两个原本需要高精度紧密拼接的部件加工为一个整体，降低电解槽氢气泄露风险的同时，提高了电解槽的装堆效率，提升了PEM电解槽的使用寿命和性能。
Absstract of: CN122279696A
本发明公开了一种两步脉冲电沉积制备镍钨钴三元金属析氧电极的方法及其应用。针对Ni2+、Co2+与W6+还原电位差异大、还原动力学不匹配导致单步沉积易出现元素偏析的技术问题，本发明采用“先沉积Ni‑W金属层、后沉积Ni‑Co金属层”的两步脉冲电沉积策略，分步优化镀液组分与脉冲参数，适配不同金属离子的还原需求。该方法包括：镍基基材预处理；在含镍盐和钨盐的溶液中进行第一步脉冲电沉积；再在含镍盐和钴盐的溶液中进行第二步脉冲电沉积，干燥后即得。本发明通过特定的两步沉积，借助脉冲电流的周期性调控，有效优化镍、钨、钴的负载与分散，获得了性能优异的析氧电极，其性能稳定可靠，能够满足规模化工业生产的应用需求。
Absstract of: CN122279651A
本发明涉及一种单原子催化剂的制备方法，具体步骤如下：称取碱木质素、凹凸棒、碳酸钾充分混合，将混合物均匀放置于瓷舟中并移至管式炉中，封闭管道通入氩气，吹扫石英管道30min，以1~10°C/min的升温速率加热至500~700°C，保温1~3h，自然冷却至室温后取出。所得材料研磨过筛，随后投加至金属离子溶液中，进行浸渍反应，干燥后最终得到高分散单原子活性位点的催化剂。本方法使用热解‑浸渍两步法制备了单原子催化剂，浸渍后仅需干燥即可，无需额外二次烧结处理，简单高效，解决了单原子催化剂具有潜力但易团聚失活的问题。
Absstract of: CN122279654A
本发明公开了一种基于强金属‑载体相互作用的低铱负载PEMWE催化剂及其制备方法与应用，属于电催化材料技术领域。该催化剂的制备方法包括以下步骤，以IrCl3·xH2O为原料，溶于去离子水，配制成前驱体溶液；将TiN载体加入前驱体溶液，超声分散后室温搅拌浸渍，确保前驱体充分吸附于TiN表面；溶液加热后加入NaBH4作为还原剂，搅拌至干燥；将上述混合体系离心分离，收集固体产物；用去离子水和无水乙醇洗涤，去除未吸附的前驱体杂质；将洗涤后的固体置于真空干燥箱中，干燥得到前驱体‑载体复合物；将前驱体‑载体复合物放入高温热冲击装置中，通入惰性气体以排除空气，经升温、保温、降温冷却至室温再进行脉冲处理，得到HTS‑Ir@TiN催化剂。
Absstract of: CN122279671A
本发明公开了一种氧化铱或掺杂氧化铱催化剂的制备方法及催化剂。该方法包括：S100、将水溶性铱或铱钌前驱体与碳粉混合，还原得到贵金属载量为35‑45wt%的铱碳或铱钌碳前驱体；S200、过滤、洗涤、干燥、研磨，得到前驱体粉末；S300、将该前驱体粉末与热分解温度大于450℃的水溶性无机盐混合；S400、在空气或氧气中于350‑420℃进行热处理；S500、水洗去除无机盐，即得核壳结构催化剂。本发明中，通过碳粉燃烧产生CO2并局部放热，无机盐物理隔离防团聚，使得在较低温度下即可获得金属内核‑氧化物外壳的核壳结构，该方法能够有效抑制催化剂颗粒的团聚和烧结，从而获得高比表面积和均匀分散的催化剂。
Nº publicación: KR20260098519A 26/06/2026
Applicant:
POSCO HOLDINGS INC [KR]
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Absstract of: KR20260098519A
0001a 본 발명은 고온수전해(Solid Oxide Electrolysis Cell, SOEC) 시스템에서 스택으로 고순도 스팀을 안정적으로 공급하는 기술에 관한 것으로서, 보다 상세하게는 스팀의 공급 압력과 순도를 효과적으로 제어하여 시스템의 효율성을 향상시키는 고순도 스팀 공급 장치 및 방법에 관한 것이다. 본 발명에 의하면, 고온수전해 시스템의 고순도 스팀 공급 장치로서: 물을 공급하는 물 유량 공급부; 물 유량 공급부와 연결되어 공급된 물을 스팀으로 변환하는 증기 발생기; 증기 발생기와 연결되어 스팀을 가열하여 초기 가열 스팀을 생성하는 과열기; 제1 주입 라인; 제2 주입 라인; 제1 주입 라인의 개폐를 제어하는 제1 공급 밸브; 제2 주입 라인의 개폐를 제어하는 제2 공급 밸브; 제1 주입 라인에 설치되어 스팀의 압력을 실시간으로 측정하는 제1 압력 센서; 과열기로부터 생성된 초기 가열 스팀을 제1 주입 라인 또는 제2 주입 라인으로 선택적으로 공급하는 스팀 분기 제어부로서, 제1 압력 센서를 통해 측정된 압력값이 임계 압력에 도달하면 제1 공급 밸브를 차단하고 제2 공급 밸브를 개방하여 초기 가열 스팀의 공급을 제2 주입 라인으로 전환하도록 구성된 스팀 분기 제어부; 및 제2 주입 라인과 연결되어 임계 압력을 초과하는 스팀이 공급
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