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Device and method for reducing hydrogen content in oxygen by utilizing multi-stage gas-liquid separation technology

Absstract of: CN122098052A

The invention relates to the technical field of gas-liquid separation, and provides a device and method for reducing the content of hydrogen in oxygen through the multi-stage gas-liquid separation technology, the device comprises a separator, the interior of an inner cavity of the separator is sequentially divided into a first-stage separation cavity and a second-stage separation cavity from top to bottom, and the first-stage separation cavity is communicated with the second-stage separation cavity; a gas-liquid rotational flow internal part is arranged in the first-stage separation cavity, micron-sized bubbles in a hydrogen-electrolyte mixture are coalesced and separated through a strong centrifugal force field generated by the gas-liquid rotational flow internal part, and free-state micro-bubbles in the hydrogen-electrolyte mixture are efficiently removed; a throttling device is arranged between the first-stage separation cavity and the second-stage separation cavity, hydrogen-rich electrolyte obtained after first-stage separation of the first-stage separation cavity is subjected to pressure reduction through the throttling device, supersaturated dissolved-state hydrogen is actively separated out through static pressure sudden drop, separation is completed in the second-stage cavity, and the purpose of reducing the hydrogen content in oxygen is achieved. And a two-stage progressive separation structure is adopted, so that the hydrogen separation efficiency is remarkably imp

Multi-time scale coordination control method for off-grid wind power hydrogen production system

Absstract of: CN122118843A

The invention discloses an off-grid wind power hydrogen production system multi-time scale coordination control method, and relates to the technical field of wind power hydrogen production control, and the method comprises the steps: obtaining system operation data, and calculating the negative climbing intensity according to the electrolytic current drop rate; constructing a dissolved hydrogen inventory proxy state based on the intensity and the electrolytic current to generate a purity spike predictor; carrying out robust normalization on the prediction quantity to obtain a risk normalization index; the lowest feasible current is determined based on the planned current and the energy storage capacity, the risk normalization index is used for conducting down-regulation edge forming on the lowest feasible current, and a target electrolysis current instruction is generated; a power supply network real-time power gap is evaluated based on the instruction, and an energy storage power instruction is generated. According to the invention, mismatch between electrical stability and gas safety during rapid load regulation is solved, and system operation continuity and hydrogen production efficiency are improved.

Solar-driven device and method for high-salinity wastewater purification and green hydrogen production

Absstract of: CN122102260A

The invention discloses a solar-driven device for high-salinity wastewater purification and green hydrogen production, and relates to the technical field of new energy and environmental protection, the solar-driven device comprises a high-salinity wastewater treatment system, a power supply system, an interface evaporation system, an electrolyzed water system and a condensed water collection system; wherein the power supply system provides electric energy for the interface evaporation system and the water electrolysis system; the interface evaporation system receives solar energy and converts the solar energy into heat energy to evaporate high-salinity wastewater; the condensate water collecting system is mainly used for collecting condensate water formed after water vapor generated by evaporation is condensed; and the condensed water is used as an electrolysis raw material to be conveyed to the electrolyzed water system, and finally the condensed water is electrolyzed by the electrolyzed water system to generate hydrogen and oxygen. According to the high-salinity wastewater purification and green hydrogen production synergistic device based on solar energy driving, solar energy can be efficiently utilized, high-concentration wastewater is treated through photo-thermal driving, meanwhile, pure water generated in the process is electrolyzed to generate clean fuel, and the high-salinity wastewater purification and green hydrogen production synergistic device is small in occupie

THE METHOD OF MANUFACTURING BISMUTH VANADATE PHOTOELECTRODE THIN FILM FOR WATER SPLITTING AND METHOD OF OPTIMIZING MOLYBDENUM DOPING COMPOSITION OF THE ELECTRODE

Absstract of: KR20260078062A

본 발명은 물분해용 비스무스 바나데이트 광전극 박막 제조방법 및 상기 전극의 몰리브덴 도핑 조성 최적화 방법, 더 상세하게는 (a) 비스무스 바나데이트(BiVO4)를 포함하는 제1 타겟 및 상기 제1 타겟과 이격되고 몰리브덴(Mo) 도핑 비스무스 바나데이트(Mo-doped BiVO4)를 포함하는 제2 타겟을 동시에 기판 상에 증착하여 몰리브덴 도핑 농도경사(Mo doping concentration gradient)를 갖는 몰리브덴(Mo) 도핑 비스무스 바나데이트(Mo-doped BiVO4)를 포함하는 조성경사 라이브러리 박막(composition gradient library thin film)을 제조하는 단계; 및 (b) 상기 조성경사 라이브러리 박막의 서로 다른 조성을 갖는 복수개의 위치에서 몰리브덴(Mo) 도핑 비스무스 바나데이트(Mo-doped BiVO4)의 광전 데이터를 포함하는 분석 데이터를 측정하여 몰리브덴(Mo) 도핑 비스무스 바나데이트(Mo-doped BiVO4)의 최적의 도핑 조성을 구하는 단계;를 포함하는 몰리브덴 도핑 비스무스 바나데이트의 도핑 조성 최적화 방법에 관한 것이다. 본 발명에 따르면 간단한 방법으로 최적의 몰리브덴 도핑 농도를 파악하고 적용하여 전기화학적 특성, 안정성 및 장기간 사용 가능성이 향상된 몰리브덴 도핑 비스무스 바나데이트 박막 및 이를 포함하는 광전기화학셀을 제조할 수 있다.

一种核壳型钡-钴@氧化铈催化剂及其制备方法和应用

Absstract of: CN122098592A

本发明公开了一种核壳型钡‑钴@氧化铈催化剂及其制备方法和应用。所述钡‑钴@氧化铈催化剂制备过程为：向柠檬酸、硝酸铈、硝酸钴、乙酸钡的混合溶液中滴入氨水至呈中性，再放入油浴锅中加热搅拌至溶胶凝胶态，最后高温煅烧、还原得到。本发明通过溶胶凝胶法方式制得的非贵金属催化剂，能够在低温下高效催化促进太阳能氨分解制氢，具有很大的工业应用意义。

一种硫酸根修饰的氮化碳材料及其制备方法与应用

Absstract of: CN122098654A

0001 本发明属于光催化技术领域，公开了一种硫酸根修饰的氮化碳材料及其制备方法与应用。制备方法包括以下步骤：（1）将前驱体与硫酸铵在水溶液中充分搅拌，然后持续加热搅干后得到白色结晶粉末；（2）将白色结晶粉末研磨后装入坩埚中煅烧，然后冷却至室温，研磨，得到硫酸根修饰的氮化碳材料。本发明摒弃硫酸及高温高压等苛刻条件，具有操作简单、成本低廉、绿色环保的显著优势。同时，相比普通氮化碳，硫酸根修饰的氮化碳的光催化活性更强，产氢速率快，稳定性好，并且晶体结构并不会改变。合成工艺简洁可控，具备大规模工业化生产的应用潜力。

一种碳纳米笼邻位双限域热解路径制备Pt纳米颗粒-Mo2C负载Pt单原子电催化剂的方法及其应用

Absstract of: CN122105481A

本发明的目的在于提供一种碳纳米笼邻位双限域热解路径制备Pt纳米颗粒‑Mo2C负载Pt单原子电催化剂的方法及其应用，属于电催化技术领域，本发明通过“一步双重约束热解”策略制备，在碳纳米笼空间限域作用下，实现Pt单原子被Mo2C精准限域，同时Pt纳米颗粒稳定分布于被Mo2C限域的Pt单原子邻近位置，形成纳米颗粒—单原子邻位双位点协同催化结构。该设计不仅在不同位点上分别吸附OH与H中间体，突破单一位点的线性尺度限制，更通过引入Mo₂C作为“OH‑接力棒”，有效促进OH的脱附与溢流，克服传统纳米金属颗粒与单原子催化剂中OH堵塞与动力学缓慢的问题。

Method for producing hydrogen by using photoelectrocatalysis pollution control of urban sewage

Absstract of: CN122102275A

The invention belongs to the technical field of photoelectrocatalysis pollution control and hydrogen production, and particularly relates to a method for photoelectrocatalysis pollution control and hydrogen production by using urban sewage, the urban sewage is pretreated through an ultrafiltration membrane assembly, suspended solids and macromolecular organic matters are removed, the pore size of the ultrafiltration membrane is 0.1-1 mu m, the ultrafiltration membrane is made of polyether sulfone, the molecular weight cut-off is 10 kDa, and the pretreatment pressure is 0.1-0.2 MPa; a BiVO4 modified WO3 nanorod array photo-anode and a Cu2O loaded Pt nanoparticle cathode are prepared respectively, the molar ratio of Bi to W in the photo-anode is 1: 5, and the mass ratio of Pt in the cathode is 2%; the method comprises the following steps: introducing pretreated municipal sewage into a photoelectrocatalysis unit of a single-chamber reactor, applying external bias voltage of 0.5-1.5 V, adding a TiO2-g-C3N4 composite photosensitizer of 0.05-0.2 g/L, controlling the reaction temperature to be 20-35 DEG C, controlling the stirring rate to be 100-200 rpm, and carrying out a reaction under the conditions that the spectrum is 300-800 nm and the illumination intensity is 50-100 mW/cm < 2 >; after the reaction, the water body stays for 30-60 minutes through a sedimentation tank, suspended matters are separated and then discharged, and hydrogen is collected through a polytetrafluoroethyle

Composite anionic membrane for hydrogen production of AEM electrolytic cell and preparation method of composite anionic membrane

Absstract of: CN122105517A

The invention discloses a composite anionic membrane for hydrogen production of an AEM electrolytic cell and a preparation method of the composite anionic membrane, and relates to a water electrolysis hydrogen production membrane material technology in the field of hydrogen energy. According to the composite anionic membrane, a polyterphenyl polymer without an ether bond skeleton is prepared through super-acid catalytic polymerization, the ratio of p-terphenyl to m-terphenyl is regulated to form an ultramicropore-containing ionomer, and the ultramicropore-containing ionomer is matched with a piperidine ring ion conduction group far away from a polymer main chain and is blended with polybenzimidazole (PBI) to form a homogeneous membrane. The invention solves the technical problems of contradiction between ionic conductivity and dimensional stability, insufficient chemical stability, insufficient mechanical strength and the like of the existing anion exchange membrane (AEM), has the technical effects of high ionic conduction efficiency, good dimensional stability, long alkali-resistant life, excellent mechanical strength and the like, and can meet the long-life use requirement of an AEM electrolytic bath for hydrogen production under pressure.

一种电解水制氢隔膜的制备工艺及成型设备

Absstract of: CN122098912A

本申请公开了一种电解水制氢隔膜的制备工艺及成型设备，制备工艺包括：提供一基材；将该基材输送通过两个相对设置的涂布模头之间的空隙；通过两个涂布模头将树脂溶液同时涂布于所述基材的第一表面和第二表面，以形成复合液体膜；最后将涂布有所述复合液体膜的所述基材浸入一凝固浴中进行固化成型，得到电解水制氢隔膜。本申请通过采用在基材双面同时涂布树脂溶液并立即固化成型的方式，能够确保隔膜两侧涂层的对称性和厚度均匀性，避免了单面分次涂布可能引起的应力不均或卷曲问题；该工艺还有利于利用涂布压力将树脂溶液充分浸透基材，消除涂层中的气泡缺陷，从而提升了隔膜的成品质量与性能均一性，并提高了生产效率。

一种富氘水的生产系统及工艺

Absstract of: CN122102311A

本发明提供一种富氘水的生产系统及工艺，所述系统包括碱性电解槽设备、氨水交换设备、液氨精馏设备、水氨交换设备以及水精馏设备，五级工序耦合串联，构建了一条完整的氢同位素（氘）富集路径。该路径首先通过碱性电解槽设备实现原料水（氘代水）的在线持续供应，并且可以根据需求灵活调整氘代度，随后，氨水交换将氘从高沸点原料水高效转移至低沸点氨介质中，然后通过液氨精馏，利用液氨低沸点特性，在N级精馏塔内实现低能耗、高倍率的氘富集，最终通过逆向水氨交换将高氘代度氨高效转化回高氘代度的富氘水，显著优化了物料流与同位素流的协同传递，实现了氘在物料流转过程中的定向、逐级富集。

超声强化界面传质的旋转式太阳能连续制氢反应器及方法

Absstract of: CN122098447A

本发明公开了超声强化界面传质的旋转式太阳能连续制氢反应器及方法，属于高温太阳能热化学燃料制备技术领域。针对传统反应器制氢的还原步和氧化步间歇运行，以及多孔陶瓷反应物的孔隙内水蒸气吸附和氢气脱附速率慢，限制反应动力学制氢速率的问题，提出三方面创新：1、超声传导系统：通过钛合金波导定向激发氧化区声流效应与微扰动；2、旋转啮合传动：永磁转子与碳化硅连接杆同轴固定连接，以梯形凸起‑凹槽结构带动泡沫陶瓷周期性旋转切换反应器分区（氧化区和还原区）；3、双通道气路：氩气/水蒸气分区注入，精准控制反应所需环境。本发明能够实现连续制氢和氢气产率提升，适用于氧化铈和钙钛矿氧载体反应物体系。

一种高活性金属氧簇自支撑碱性析氧电催化剂、制备方法和应用

Absstract of: CN122105483A

本发明公开了一种高活性金属氧簇自支撑碱性析氧电催化剂、制备方法和应用，金属氧簇为铁氧簇，镍以氢氧化物或羟基氧化物的形式掺杂进入铁氧簇的晶格中，通过在室温下将泡沫镍置于金属盐前驱体与羧酸配体溶液中原位生长金属氧簇，金属氧簇呈现纳米片组成的三维网络结构。本发明的金属氧簇自支撑催化剂制备方法温和，常温、短时间内即可实现，不需要严苛反应条件，极大缩短生产周期提高效率，并且节约能源，对环境友好，性能优异，在碱性电解水领域具有很好的应用前景。

一种高熵层状氢氧化物纳米阵列材料及其制备方法与应用

Absstract of: CN122105463A

本发明属于电催化材料与能源转换技术领域，具体涉及一种高熵层状氢氧化物纳米阵列材料及其制备方法与应用。高熵层状氢氧化物纳米阵列材料包含导电基底、生长在导电基底表面的高熵层状氢氧化物纳米阵列；高熵层状氢氧化物纳米阵列至少包含均匀分布的Ni、Fe、Co、Mn和M元素，其中M元素至少选自第四周期过渡金属Zn、Cr、V或Cu中的任一种。该方法重复性好，条件温和，适合放大生产，为高性能高熵层状氢氧化物催化剂的低成本、规模化制备提供了可靠的技术路径。

新型中空N掺杂KTaO3全解水产氢催化剂及其制备方法

Absstract of: CN122098657A

本发明涉及新型中空KTaON全解水产氢催化剂及其制备方法。该制备路线以聚合物为模板，采用具有中空形貌的聚乙烯酰胺为结构模板，先合成得到中空结构Ta₂O₅中间体；随后将所得Ta₂O₅与KCl按1.2~2:1的摩尔比充分混合研磨，置于管式炉中高温煅烧后，在连续流动的氨气气氛下程序加热反应，最终制得中空结构KTaON光催化材料。该催化剂可有效促进光催化分解水制氢反应。所制备的氢气作为一种燃烧性能优异、密度低、零碳排放的清洁能源，是替代传统化石能源、助力实现碳中和目标的重要路径。

Volume configuration method and device of ALK-PEM mixed hydrogen production system based on wind-solar power

Absstract of: CN122118848A

The invention provides a capacity configuration method and device for an ALK-PEM hybrid hydrogen production system based on wind-solar power, and the method comprises the steps: considering the data characteristics of historical wind-solar power generation data of a target region, and carrying out the capacity configuration of the ALK-PEM hybrid hydrogen production system based on the hybrid hydrogen production system in a system starting stage; the construction cost parameters of the second ALK electrolytic cell are corrected by using an operation control mechanism that waste heat generated during advanced operation of the PEM electrolytic cell is used for replacing auxiliary heating equipment to preheat the second ALK electrolytic cell; meanwhile, determining a system life matching coefficient by considering the difference of the service lives of different electrolytic cells, and constructing a medium-term replacement cost item of the system according to a scheduling control mode of the system life matching coefficient relative to the electrolytic cells in a system operation stage; and a target cost function adaptive to the wind-solar coupling fluctuation power generation scene can be constructed, and the configuration capacities of different electrolytic cells can be efficiently and accurately determined through optimization solution.

Lignin derived carbon coated nickel particle electrolytic urea hydrogen production catalyst and preparation method thereof

Absstract of: CN122105461A

The invention relates to a lignin-derived carbon coated nickel particle electrolytic urea hydrogen production catalyst and a preparation method thereof, and the preparation method comprises the following steps: 1) sequentially dissolving lignin and nickel salt in deionized water to prepare a mixed solution; (2) sequentially adding a pretreated nickel-based carrier and the mixed solution prepared in the step (1) into a reaction kettle for hydrothermal reaction, cooling to room temperature after the reaction is finished, taking out the nickel-based carrier in the reaction kettle, washing and drying to obtain a primary sample; and 3) carrying out high-temperature calcination on the preliminary sample prepared in the step 2) in a hydrogen/argon mixed atmosphere to obtain the lignin-derived carbon coated nickel particle electrolytic urea hydrogen production reaction catalyst. A carbon-coated structure in the prepared catalyst is a core for realizing high activity and long-period stability, a physical barrier of the carbon-coated structure can reduce oxidation corrosion of nickel active sites, and a porous carbon layer accelerates mass transfer of an electrolyte, so that the catalyst still keeps low potential and long service life under high current density.

Preparation method of composite bipolar plate for proton exchange membrane iron-chromium flow battery and hydrogen preparation regulation

Absstract of: CN122117949A

The invention belongs to the technical field of energy storage, and particularly discloses a preparation method of a composite bipolar plate for proton exchange membrane iron-chromium flow battery and hydrogen preparation regulation, and the method comprises the steps of raw material pretreatment, preparation of slurry of each layer, layered mold laying, mold pressing curing and post-treatment. The composition and the structure of the bipolar plate are changed and optimized (metal copper and carbon powder are mixed and molded in a three-layer structure), the high-performance proton exchange membrane water electrolysis hydrogen production and iron-chromium flow battery bipolar plate is manufactured, the composite bipolar plate is lower in contact resistance with a titanium felt and carbon cloth, better in corrosion resistance and low in cost, and the service life of the composite bipolar plate is prolonged. And the performance improvement of the proton exchange membrane electrolytic cell and the iron-chromium flow battery is realized.

高熵合金电极材料及其制备方法及应用

Absstract of: CN122105476A

本发明提供了一种高熵合金电极材料及其制备方法及应用，其中，制备方法包括：步骤S1，取镍盐、铜盐、铁盐、钼盐及钨盐为原料，将其与硫酸铵、十二烷基磺酸钠及柠檬酸钠的水溶液混合，得到电镀液；步骤S2，将预处理后的镍基底于电镀液中进行电沉积处理，再依次进行水洗及干燥处理，得到高熵合金电极材料。该高熵合金电极材料具有较优的催化活性，在应用于电解水过程中能够提高反应效率，降低能耗，而且该制备方法简单、成本较低且安全性较高，适合大规模生产，具有广阔的工业化应用前景。

一种基于扩展膜的电解槽原位检测装置

Absstract of: CN122109249A

本发明公开了一种基于扩展膜的电解槽原位检测装置，涉及电解槽检测技术领域，包括电解槽本体，所述电解槽本体的底部设置有电解槽本体集成的膜扩展槽；所述电解槽本体包括隔膜，所述隔膜的两侧外表面分别设置有阳极流场板和阴极流场板，所述隔膜的底端定向延伸至膜扩展槽的内部，形成独立于电解主反应区的测试区域。使用时，通过隔膜的定向尺寸拓展，构建独立的测试区域，再与三电极体系构建，实现了膜电极性能的原位实时监测，突破了传统双电极体系的局限，能够直接对隔膜本身的微观状态进行精准追踪，为深入理解电解过程中隔膜的性能演变提供了更可靠的技术支撑，无需拆解电解槽或加装额外传感元件。

一种纳米颗粒耐碱疏水改性剂

Absstract of: CN122103695A

0001 本发明涉及高分子材料技术领域，具体涉及一种纳米颗粒耐碱疏水改性剂。所述纳米颗粒耐碱疏水改性剂由骨架树脂25‑55份、锚定剂15‑45份、增强剂1‑10份及溶剂100‑300份组成。本发明利用全氟聚合物体系，使改性剂耐温≥400℃且耐强碱腐蚀；烧结后与PTFE基体形成同质牢固结合，解决界面剥离问题。该改性剂特别适用于制备海上高盐高湿环境下碱性电解槽的密封垫片，显著提升垫片的尺寸稳定性与使用寿命。

一种苝酰亚胺基异构共轭聚合物及其制备方法和应用

Absstract of: CN122103572A

0001 本发明属于杂环化合物制备技术领域，公开了一种苝酰亚胺基异构共轭聚合物及其制备方法和应用，包括：将3,4,9,10‑苝四甲酸二酐、氨基异构体、醋酸锌和咪唑混合均匀，得到混合物；对混合物加热进行热缩聚反应，反应完成后，冷却并加入盐酸，搅拌，过滤，洗涤，得到沉淀物；将沉淀物进行冷冻干燥，得到苝酰亚胺基异构共轭聚合物。本发明采用异构化桥接结构设计，精确调控分子内的电荷分布，有效地促进了激子的解离，提高了分离效率，实现了可调π堆叠和电子分布的异构化桥接结构。

一种g-C3N4/BiOBrS型异质结复合光催化剂及其制备方法与应用

Absstract of: CN122098653A

本发明公开了一种/BiOBrS型异质结复合光催化剂及其制备方法与应用，涉及光催化材料技术领域，包括片层与BiOBr纳米片，片层与BiOBr纳米片紧密复合形成S型异质结复合结构，与BiOBr的质量比为85:15；S1.制备：将三聚氰胺置于马弗炉中，升温煅烧后冷却、研磨、洗涤并干燥，得到片层状；S2.原位生长BiOBr：将步骤S1制得的分散于混合溶剂中，超声处理形成悬浮液，向悬浮液中加入铋源和溴源，搅拌均匀后转移至高压反应釜中进行水热反应；S3.干燥：将步骤S2所得产物，即得/BiOBrS型异质结复合光催化剂，采用原位生长法制备/BiOBrS型异质结复合光催化剂，工艺简便且无需二次煅烧，能使BiOBr与形成界面结合紧密的异质结复合结构，有效抑制光生电子‑空穴对的复合，提升载流子分离与迁移效率。

聚丙烯基交联型季铵化阴离子交换膜及其制备方法和在电解水制氢中的应用

Absstract of: CN122103643A

本发明属于电解水制氢用阴离子交换膜技术领域，公开了一种聚丙烯基交联型季铵化阴离子交换膜及其制备方法和在电解水制氢中的应用，以聚丙烯为聚合物主链，经辐射接枝赋予中间体薄膜苄基氯活性反应位点，进而通过Menshutkin反应在聚合物链段间实现精准交联。选取两种不同的柔性交联剂分别形成不同的交联网络，有效解决了未交联膜机械性能薄弱、尺寸稳定性较差的缺陷；同时通过精准调控胺化与交联比例，实现了膜材料离子导电性、机械性能与尺寸稳定性的耦合优化。得益于主链与侧链的结构匹配性、交联作用的多重增益及多性能的协同平衡，该阴离子交换膜材料在相关电化学应用中展现出优异的综合性能与良好的应用潜力。

一种基于界面水调控的高活性抗腐蚀抗垢纳米阵列材料及其制备方法与应用

Nº publicación: CN122105511A 29/05/2026

Applicant:

中山大学

Absstract of: CN122105511A

本发明属于电催化材料技术领域，具体涉及一种基于界面水调控的高活性抗腐蚀抗垢纳米阵列材料及其制备方法与应用。本发明将过渡金属集流体浸泡于含贵金属盐和多官能团有机分子修饰剂的溶液中，充分反应，得到所述表面修饰的过渡金属氢氧化物负载贵金属纳米阵列材料。对于催化活性，该材料能促进水解离产生活性氢，大幅提高了电解海水析氢的效率；对于材料稳定性，在海水的复杂的环境中，该材料不仅能有效阻隔海水中腐蚀性离子对于基底的侵蚀，延长材料使用寿命；还能抑制氢氧化物垢层在电极表面沉积，有效解决了电解海水析氢中结垢导致的性能衰减问题。得益于上述优异性能，本发明材料在海水制氢领域展现出巨大的应用潜力。