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1127
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Updated on
22/08/2026 [07:04:00]
Results 800 to 825 of 1127
Absstract of: CN122303932A
本发明公开了一种用于碱性析氢反应的硫掺杂双调控V2C载体负载铂电催化材料的制备方法及其应用，所述方法包括如下步骤：步骤(1)采用LiF‑HCl混合溶液低温刻蚀V2AlC前驱体，经水热处理得到层状V2C纳米片；步骤(2)将V2C与升华硫混合，在保护气氛下程序升温煅烧，制备V5S8‑V2C异质结构材料；步骤(3)将V5S8‑V2C分散于乙二醇‑水混合溶剂中，加入氯铂酸溶液，经油浴回流还原，得到Pt@V5S8‑V2C催化剂。本发明通过硫掺杂实现对V2C载体层间结构与铂分散性的双重调控，解决了传统MXene负载铂催化剂在碱性析氢反应中动力学缓慢、铂纳米颗粒易团聚及V2C基底结构不稳定等问题。
Absstract of: CN122302164A
The invention belongs to the field of ion exchange membranes, and discloses an anion exchange membrane and a preparation method thereof, and application of the anion exchange membrane in a flow battery and a hydrogen production electrolytic bath. The preparation method comprises the following steps: firstly, copolymerizing a tetraphenyl ethylene-vinyl monomer and a styrene monomer through solution polymerization to obtain a copolymer A; carrying out chloromethylation reaction on the copolymer A to obtain a copolymer B; and finally reacting the copolymer B with trimethylamine to obtain a high-molecular polymer C. The high-molecular polymer C can be prepared into an anion exchange membrane, and the membrane is prepared by using common polar high-boiling-point solvents such as N, N-dimethylformamide and the like through a solution tape casting method. The anion exchange membrane can be applied to a flow battery, can improve coulombic efficiency and energy efficiency in a vanadium flow battery system, and ensures cycling stability; the composite material can be especially applied to AEM hydrogen production electrolytic cells, and has excellent durability, high ionic conductivity and mechanical properties.
Absstract of: CN122303915A
0001 本发明涉及一种用于AEM电解槽的绝缘板结构，属于制氢技术领域。本发明基于对流体分配、气体收集及密封性能的优化需求，通过在长方体绝缘板顶面设计多区域对称且参数精确的水氧分配区，在底面设置带扰流柱与加强筋的氢气收集区，并构建由多组密封槽与特定材质密封圈组成的密封区，同时选用40%玻纤增强的聚苯硫醚（PPS）作为基材，实现了在1.6MPa高压运行工况下，反应介质的均匀分配、氢气的高效收集与分离、以及电解槽整体的密封可靠性和结构稳定性，为AEM电解槽的高性能运行提供了关键的结构支撑。
Absstract of: CN122303951A
0001 本发明涉及水电解制氢技术领域，具体涉及一种用于阴离子交换膜电解槽的复合自支撑阳极及其制备方法。用于阴离子交换膜电解槽的复合自支撑阳极包括依次层叠设置的自支撑基底、析氧催化层和电子绝缘的铂基消氢层，析氧催化层负载于自支撑基底上，电子绝缘的铂基消氢层负载于析氧催化层上。本发明的用于阴离子交换膜电解槽的复合自支撑阳极彻底阻断消氢催化剂与阳极导电基底间的电子通路，从根本上避免了消氢催化剂成为新氢气来源的风险，实现了氧中氢浓度的稳定控制与电解效率的协同提升；同时，三层结构协同作用，兼顾低氧中氢含量与高效析氧的双重功能，且机械强度高、兼容性强，可直接替换传统阳极而无需对电解槽进行大幅改造。
Absstract of: CN122303956A
本发明公开了一种内建电场增强的CuO/PdO@Pd‑C异质结纳米材料及其应用，属于纳米材料技术领域。该CuO/PdO@Pd‑C异质结纳米材料是以PdCl2·xH2O、CuCl2·2H2O、无水间苯三酚为原料通过溶剂热法制备得到。本发明的CuO/PdO@Pd‑C异质结纳米材料具有优异的电催化析氢性能，特别是在全pH范围以及天然海水介质中均表现出优异的催化活性和稳定性。本发明为开发低成本、高活性的非铂基析氢电催化剂提供了新思路，在可再生能源制氢、海水资源化利用及绿色能源存储等领域具有重要的科学意义和广阔的应用前景。
Absstract of: CN122298740A
The present invention provides a cleaning system for cleaning an optical member comprising a soft glass material, the cleaning system comprising: a cleaning means for immersing the optical member in a cleaning liquid to perform ultrasonic cleaning, a tap water flushing means for flushing the optical member with tap water, and a pure water flushing means for flushing the optical member with pure water; a washing unit for washing the optical member with pure water, and a drying unit for drying the optical member from which the washing liquid is washed off; the pure water flushing unit comprises a hydrogen gas supply unit for supplying hydrogen gas, a hydrogen water generation unit for injecting the hydrogen gas into pure water to generate hydrogen water, a water purification tank filled with the hydrogen water, and a control unit for controlling the oxidation-reduction potential of the hydrogen water; the optical member is rinsed by immersing the optical member in hydrogen water in a water purification tank, and the oxidation-reduction potential of the hydrogen water is maintained at a predetermined value by the control means.
Absstract of: CN122303869A
0001 本发明公开了一种用于电解水制氢的微生物腐蚀制备Al<0.6>CrFe<2>Ni<2>高熵合金催化剂的方法，属于电化学催化技术领域。本发明选用硫酸盐还原菌（SRB）作为实验菌种，选用块体Al<0.6>CrFe<2>Ni<2>高熵合金作为基体材料。合金经过SRB腐蚀后，表面生成的腐蚀产物FeS能促进材料的催化活性。将得到的催化剂作为工作电极用于电解水制氢，在碱性溶液中具有优异的OER活性和耐久性。与现有技术相比，本发明首次将微生物腐蚀与块体合金结合用于电解水工业化制氢领域，制备方法简单温和，具有潜在的应用前景，同时为其他非贵金属电解水催化剂的设计合成提供了理论指导和技术支撑。
Absstract of: CN122303960A
The invention relates to the technical field of PEM water electrolysis hydrogen production, discloses an energy-saving operation method of a PEM electrolytic cell, and solves the technical problem of hydrogen flow and pressure fluctuation caused by shutdown for eliminating reversible voltage rise during online hydrogen production of the existing PEM electrolytic cell. According to the method, specific wiring configuration is carried out on an electrolytic cell, after the electrolytic cell is activated by gradient constant current, short-time short-circuit charge release is carried out on the single electrolytic cell regularly and sequentially through programmed control of a relay, the overall current is kept constant in cooperation with a constant-current power supply, and it is guaranteed that the number of the electrolytic cells working at the same time is not changed. Reversible voltage rise caused by cathode and anode charge accumulation is effectively eliminated on the premise that shutdown is not needed, the working voltage and energy consumption of the electrolytic cell are reduced, meanwhile, stable hydrogen flow and pressure are ensured, the operation stability of the electrolytic cell is improved, and the method is suitable for various PEM electrolytic cell systems for on-line hydrogen production.
Absstract of: KR20260100981A
0001a 본 발명은 PEM 방식 STACK과 BoP 시스템을 활용하여 에너지 효율(HHV 기준) 80% 이상을 달성하고, 생산 단가를 약 30% 절감한 고효율 친환경 수소 생산 기술에 관한 것이다. 본 기술은 방열, 방폭, 방진 설계를 통해 안정성을 확보하고, 재생에너지와 연계하여 탄소 배출 없는 수소 생산을 실현한다.
Absstract of: KR20240057530A
The present invention discloses a gas turbine combined power generation system for mixed combustion of natural gas and hydrogen, which captures carbon dioxide, which is greenhouse gas, from exhaust gas emitted from a gas turbine of a power plant to reduce carbon dioxide emissions to zero, produces hydrogen using the captured carbon dioxide as a raw material, and recycles the produced hydrogen as power generation fuel. The above-described gas turbine combined power generation system for mixed combustion of natural gas and hydrogen includes a gas turbine power generation facility which produces electricity by mixing and combusting natural gas and hydrogen, a heat recovery steam generator which recovers a heat source from exhaust gas emitted from the gas turbine power generation facility, a steam turbine power generation facility which uses the heat source recovered from the heat recovery steam generator, a carbon dioxide capture facility which captures carbon dioxide from exhaust gas emitted from the gas turbine power generation facility, and a hydrogen generation facility which produces hydrogen using the carbon dioxide captured from the carbon dioxide capture facility.
Absstract of: WO2022029663A1
The present disclosure is related to the field of chemistry and provides methods and devices for stimulation of endothermic reactions in gas phase with high activation barriers by nanosecond pulsed electrical discharge. It can be used for, e.g., CO2 functionalization of methane, H2S dissociation, hydrogen and syngas production, for processing ammonia synthesis and dissociation, etc. Some embodiments include methods and devices associated with the stimulation of plasma chemical reactions with nanosecond pulse electric discharge in the presence of gas flow.
Absstract of: WO2021108446A1
Provided herein are membrane electrode assemblies (MEAs) for COx reduction. According to various embodiments, the MEAs are configured to address challenges particular to COx including managing water in the MEA. Bipolar and anion exchange membrane (AEM)-only MEAs are described along with components thereof and related methods of fabrication.
Absstract of: CN122319027A
A method for continuously dispersing a catalyst ink for use in a coating process is described. A catalyst ink is continuously mixed in a high shear mixing unit, and the mixed ink is ultrasonically treated in an ultrasonic treatment unit. And returning a part of the catalyst ink subjected to ultrasonic treatment to the high-shear mixing unit. The method provides for continuous mixing and ultrasonic treatment of the catalyst ink. The mixed and ultrasonically treated ink may then be applied to a substrate in a defined pattern.
Absstract of: WO2024256503A1
The invention relates to a method for manufacturing an assembly for an electrochemical cell, wherein the assembly comprises at least the following structural components: a first plate (10; 10') for supplying and/or discharging fluid, a proton exchange membrane (42), a first electrode (31) arranged between the first plate and the proton exchange membrane, and a first gas diffusion layer (21) arranged between the first plate and the first electrode, and wherein the method comprises the steps of A) providing a base comprising only a portion of the structural components, in particular the first plate and/or the first gas diffusion layer; and B) assembling the assembly, wherein the assembling involves adding the remaining structural components; or the steps of a) providing a base that is different from the structural components; and b) assembling the assembly, wherein the assembling involves adding the structural components; wherein a casing is formed by applying one or more layers of moulding material (70-72) to the provided base, a strength of this moulding material increases after said application, and at least one layer of the moulding material forming the casing or at least a circumferential section of the casing is applied before step B) or b). The invention also relates to an electrochemical cell, in particular a fuel cell or electrolysis cell, a cell stack with cells of this type, as well as a method and a system for manufacturing assemblies for cells or cell stacks of thi
Absstract of: WO2024254131A2
Disclosed are a system and method for the generation of hydrogen from a source of liquid comprising water. The system comprises a high fluid velocity electrolyzer comprising an inlet and an outlet, the inlet of the high fluid velocity electrolyzer fluidly connected to the source of liquid, and a gas fractionation system fluidly connected to the outlet of the high fluid velocity electrolyzer.
Absstract of: WO2026097283A1
The present invention relates to an ultra-stable load-type oxygen evolution electrocatalyst based on a maturation-embedding method, prepared using the following method: a single metal oxide AO x or a mixed metal oxide A YB ZO x, which remains stable under strongly acidic and strongly oxidative conditions, is used as a carrier component, and a noble metal atom M or an alloy thereof is used as an active component. Using maturation-induced embedding technology, synchronous control is achieved during the growth of the carrier and the nucleation of the active component, embedding the noble metal or nanoparticles of the alloy thereof into the metal oxide carrier to obtain a metal oxide-supported catalyst M-AO x. By using the maturation-induced embedding technology, the noble metal or nanoparticles of the alloy thereof are embedded into different metal oxide carriers to form a stable and efficient supported catalyst. The catalyst developed in the present invention can maintain high catalytic activity and stability under strongly acidic conditions and high current densities, and has broad application prospects, and is particularly suitable for the green hydrogen energy field.
Absstract of: DE102025150513A1
Die vorliegende Erfindung stellt eine Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse bereit. Die Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse umfasst: einen Elektrolyseur, wobei der Elektrolyseur einen Wasserstoffauslass umfasst; und einen Wasserstoffabscheider, wobei der Wasserstoffabscheider einen Einlass für Gas-Flüssigkeitsgemisch und einen Gasauslass umfasst, wobei der Einlass für Gas-Flüssigkeitsgemisch über eine erste Rohrleitung mit dem Wasserstoffauslass des Elektrolyseurs verbunden ist, und wobei der Gasauslass für die Verbindung mit einem ersten Gasauslassrohr zur Abströmung des Wasserstoffs verwendet wird. Die Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse umfasst ferner eine am ersten Gasauslassrohr vorgesehene Kälteanlage. Die Kälteanlage umfasst einen Kompressor, einen Kondensator, ein Expansionsventil und einen Verdampfer, die über eine Rohrleitung nacheinander zu einer geschlossenen Anlage verbunden werden, wobei ein Kältemittel in der geschlossenen Anlage zyklisch strömt. Das erste Gasauslassrohr ist mit einem zweiten Wärmetauscher verbunden. Der Verdampfer der Kälteanlage ist im zweiten Wärmetauscher angeordnet und zur Aufnahme der Wärme des Wasserstoffs eingerichtet. Die Anlage zur Wasserstofferzeugung durch alkalische Wasserelektrolyse gemäß der vorliegenden Erfindung umfasst eine Kälteanlage am Gasauslassrohr, durch die der erzeugte Wasserstoff weiter gekühlt werden kann.
Absstract of: CN122303939A
0001 本发明公开了一种由欧姆接触提升催化性能的电催化剂及其应用，通过电沉积法将NiMo合金锚定在半导体NiCuP微花表面，通过精确调控NiMo与NiCuP之间的功函数匹配，成功构建了欧姆接触异质界面。有效消除了异质结构界面处的肖特基势垒，消除了界面电荷传输的能垒障碍，从而极大地优化了催化剂整体的本征导电性，并加速了电子从催化剂内部向表面活性位点的转移。得益于这一高效的界面电子传输通道，该催化剂在阴极析氢反应中展现出显著增强的催化活性在阳极半反应中，采用热力学更有利FOR替代OER，实现了在更低电池电压下耦合阴极HER进行节能制氢，同时在阳极将生物质衍生平台分子糠醛高效转化为高附加值的糠酸。
Absstract of: CN122303950A
本发明公开了一种一种超亲水性钼掺杂铁镍硫化物泡沫镍自支撑电极，以泡沫镍为导电基底和自支撑骨架，泡沫镍表面原位生长Fe7S8/Ni3S2催化层，催化层中Fe7S8与Ni3S2形成紧密耦合异质界面，Mo以Mo‑S配位态分散态分布于催化层中；催化层呈开放的三维多级结构；具有超亲水性，在水滴接触90 ms时的接触角为0°。其制备方法包括以下步骤：1，MIL‑(NiFe)@NF前驱体的制备；2，Mo‑Fe7S8/Ni3S2@NF的制备。在1M KOH电解液中，当电流密度为10 mA cm‑2时条件下，作为析氢反应电极应用时，析氢过电位为50‑60 mV，电流保持率为95‑98%；作为析氧催化剂材料的应用时，析氧过电位为200‑210 mV，电流保持率为90‑95%；同时作为阴极和阳极应用时，槽电压不高于1.46 V；电流衰减率3‑5%。
Absstract of: CN122303936A
0001 本发明提供了一种复合电催化剂及其制备方法和应用，该复合电催化剂包括以碳纤维布为基底的金属Co及CoS的复合物，其结构式为Co/CoS@CC；其中，金属Co的重量含量为1～10wt％，CoS的重量含量为90～99wt％。采用本发明制备得到的复合电催化剂，其具有较多的催化活性位点，催化性能进一步提高，表现出较低的析氢过电位，且制备方法简单易操作，适合大规模生产，具有广阔的工业化应用前景。
Absstract of: CN122303912A
The invention relates to an electrochemically-driven bipolar hydrogenation system and method and application thereof, and belongs to the technical field of electrochemistry. The electrochemically driven bipolar hydrogenation system comprises an anion exchange membrane, a cathode chamber, an anode chamber, a cathode, an anode, a cathode hydrogenation chamber separated from the cathode chamber through the cathode, an anode hydrogenation chamber separated from the anode chamber through the anode, a cathode electrolyte and an anode electrolyte, wherein the cathode chamber or the anode chamber is filled with the cathode electrolyte and the anode electrolyte respectively; the cathode hydrogenation chamber and the anode hydrogenation chamber are filled with the organic matter solution to be hydrogenated; both the cathode and the anode adopt Pd membrane electrodes. The electrochemical chamber and the hydrogenation chamber are physically isolated by using the palladium membrane, and water is allowed to be used as a hydrogen source, so that the requirement on hydrogen is eliminated, and the problem that complex products are difficult to separate is solved; the double hydrogenation system can perform hydrogenation reaction on the cathode and the anode at the same time, so that the hydrogenation efficiency and Faraday efficiency of organic matters are improved.
Absstract of: CN122303941A
本发明公开了一种自支撑高效OER Mo/Ru‑Ni/NF电催化剂及其制备方法，属于电催化材料技术领域。针对现有催化剂活性位点暴露不足、导电性差及需粘结剂导致界面电阻大的问题，本发明以泡沫镍为基底，采用两步电沉积法结合焙烧工艺，制备了具有类菜花状多孔结构的复合催化剂。该材料通过引入强缺电子中心Mo修饰Ru‑Ni异质结界面，优化了电子结构与氧中间体吸附能；独特的自支撑多孔结构增大了活性面积，促进了传质与电子传输。该催化剂无需粘结剂，表现出低过电位、小Tafel斜率及优异的长期稳定性，显著提升了析氧反应催化性能，适用于高效电解水制氢应用。
Absstract of: CN122303944A
本发明属于电催化材料与电解水制氢技术领域，公开了一种Ni‑RuOx改性催化材料及其制备方法、OER催化应用和电解水器件，该催化材料的制备方法为：将包含钌源、镍源和溴化钾的混合料进行氧等离子体处理，得到改性Ni‑RuO2前驱体；氧等离子体处理过程中的温度为150~200℃，功率为100~150 W；将改性Ni‑RuO2前驱体在保护气氛、200~300℃的温度下进行热退火，制得所述的Ni‑RuOx改性催化材料。本发明研究表明，所述的制备方法能够实现镍元素在RuO2晶格中的原位均匀掺杂、氧空位的精准调控与离散纳米颗粒的定向构筑。本发明研究表明，所述的制备方法能够显著改善制备的材料的OER性能。
Absstract of: CN122303925A
0001 本发明涉及质子交换膜水电解技术领域，具体公开了一种无定形铱铪氧化物空心纳米球及其制备方法和应用，所述方法包括以下步骤：（1）以单分散SiO<2>纳米颗粒为模板，引入Hf前驱体进行水热反应，得到无定形铪氧化物包覆SiO<2>的纳米球；（2）通过碱性溶液刻蚀去除无定形铪氧化物包覆SiO<2>的纳米球的SiO<2>核，得到无定形铪氧化物空心微球；（3）将所述无定形铪氧化物空心微球与Ir前驱体进行水热反应，得到无定形铱铪氧化物空心纳米球。本发明制备过程操作简便、条件温和，能显著降低贵金属Ir用量，同时大幅提升催化剂在阳极析氧反应的催化活性和稳定性。本发明材料适用于PEMWE，为开发低成本、高稳定性电解水制氢技术提供了新的解决方案。
Nº publicación: CN122301237A 30/06/2026
Applicant:
PETROCHINA CO LTD
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Absstract of: CN122301237A
The invention discloses a water resource utilization method for a gas field. The water resource utilization method specifically comprises the following steps: step 1, gas field water treatment: adjusting the pH value to 11-12; and 2, filtering: carrying out solid-liquid separation to obtain precipitates and treated gas field water. And 3, electrolysis: carrying out ion membrane electrolysis on the gas field water treated in the step 2 to obtain chlorine and hydrogen. And 4, calcining: calcining the precipitate obtained in the step 2 to constant weight. And step 5, dissolving: adding water for dissolving after calcining is finished. And 6, filtering: carrying out solid-liquid separation to obtain strontium carbonate precipitate and a calcium hydroxide solution. 7, CO2 is introduced, the calcium hydroxide solution reacts with CO2, and calcium carbonate sediment is obtained. And effective utilization of gas field water resources is realized.
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