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1246
results.
Updated on
18/07/2026 [07:42:00]
Results 875 to 900 of 1246
Absstract of: CN122105502A
0001 本发明属于电解水制氢领域，具体公开了一种核壳分级结构低结晶度NiCuP/CF/CP自支撑电极的制备方法及应用，通过脉冲‑梯度耦合电沉积法在3D多孔铜泡沫修饰碳纸（CF/CP）载体上原位制备，通过调控高峰脉冲沉积电位实现Cu/Ni原子比、结晶度的精准控制，构建出富Cu微晶核‑低结晶度NiCuP壳层的核壳分级结构，壳层实现Cu元素表面梯度富集。本发明利用Ni、Cu、P的元素协同效应提升析氢本征活性，结合3D多孔铜泡沫（CF）载体增大电化学表面积（ECSA），改善传质效率，将该自支撑电极应用于质子交换膜电解槽（PEMWE）阴极，表现出优异的析氢活性、稳定性和低成本优势，解决了现有Pt基催化剂稀缺昂贵、传统过渡金属催化剂活性不足等技术问题，适合大规模工业化应用。
Absstract of: CN122105496A
本发明公开了一种基于碳化钛MXene二维材料的6d过渡金属单原子可控担载方法，属于电催化电极材料制备和应用技术领域，即本发明通过调控12‑14 M HCl/LiF刻蚀液条件，在MXene表面构筑不同密度的钛空位缺陷，进而实现6d过渡金属单原子的精准锚定。所得单原子金属担载碳化钛MXene二维材料具有明确的单原子配位结构，显著优化表面电荷分布，提升析氢反应动力学。且该方法工艺简便、能耗低、可批量制备。所制电极表现出优于商用Pt/C的催化活性与稳定性，适用于分解水制氢，为非贵金属高效电催化剂的开发提供新路径。
Absstract of: CN122105454A
本发明涉及一种碱性电解槽双极板及其制备方法，以质量百分比计，所述双极板包括以下组分：C 1.0‑1.6%、N 0.05‑0.3%、O 0.5‑1.0%，Al 0.05‑0.3%、Si 0.01‑0.06%、Fe 0.01‑0.05%，余量为Ni。该制备方法包括：将原材料在氮气气氛下进行熔炼得到熔融金属，将所述熔融金属进行浇铸形成合金铸坯；所述原材料包括N6纯镍锭、纯铝块、碳硅铁合金块；将所述合金铸坯进行均匀化处理和热轧处理，得到热轧板；将所述热轧板依次进行退火处理和冷轧处理，得到双极板。本发明的双极板厚度较薄、强度较高，可以更好地应用于碱性电解槽中。
Absstract of: CN122098388A
0001 本发明涉及氨气制氢技术领域，特别是关于一种基于径向分区与梯级换热的氨气裂解制氢装置及方法，原料氨气分流为三部分，一部分经高温换热器预热通向氨裂解器中的高温催化区，另一部分经中温换热器预热通向氨裂解器中的中温催化区，最后一部分经低温换热器预热通向氨裂解器中的低温催化区，并在其中填装的不同工作温度催化剂的作用下裂解为氮气和氢气，不同温度催化区的裂解产物在出口端分别汇集后通向对应温度的换热器，向原料氨气释放热量后排出。本发明利用裂解器内部存在的温度梯度设置相应的裂解区，并填充不同反应温度的催化剂，一方面可以提升热能的利用率，另一方面本发明裂解器内部的催化剂可以全部参与裂解过程，提升催化剂的利用率。
Absstract of: CN122098696A
0001 本发明属于光催化材料技术领域，具体涉及具有相邻Ni‑Co双位点氮配位碳层‑SrTiO<3>异质界面的光催化剂及其制备与应用。本发明将镍源、钴源与碳前驱体混合形成前驱组分；再与含氮前驱体混合并在惰性气氛下热处理，得到含Ni‑Co相邻双位点的氮掺杂碳材料；随后与SrTiO<3>进行溶剂组装复合制备目标光催化剂。所述光催化剂包括SrTiO<3>载体以及负载于载体表面含Ni‑Co相邻双位点的氮掺杂碳层，Ni和Co以高分散状态存在并与N配位，所述氮掺杂碳层与SrTiO<3>之间形成异质界面耦合结构。所述光催化剂用于纯水整体分解水，具有较好的光催化活性和长期稳定性。本发明原料易得、工艺简单、无需贵金属，具有良好应用前景。
Absstract of: CN122105482A
本发明属于电解水催化剂制备技术领域，具体涉及一种电解水催化剂及其制备方法与应用，电解水催化剂的制备方法，包括如下步骤：将Ru盐加入醇溶液中溶解，然后向其中加入CeO2纳米球，分散均匀，得分散液；向分散液中分次加入碱，并搅拌，反应1‑5h；反应结束后，将得到的催化剂前驱体分离，在氧化性气氛中煅烧后，得到RuO2/CeO2催化剂。本发明制备的RuO2/CeO2催化剂，在电解水测试条件下能够将CeO2刻蚀掉，形成孔状结构，大幅提升了活性位比表面积，从而可以提高贵金属利用率。
Absstract of: WO2025143143A1
Provided is a solid polymer electrolyte membrane which is capable of suppressing an increase in electrolytic voltage after water electrolysis is performed for a certain period, and in which pinholes are hardly generated. This solid polymer electrolyte membrane includes: a fluorine-containing polymer having an ion exchange group; a platinum-containing material; aggregates of cerium oxide particles; and a woven fabric. The average particle diameter of the aggregates is 0.1-10 μm.
Absstract of: WO2025089661A1
The present invention relates to an ion exchange membrane and an electrochemical system comprising the ion exchange membrane. The ion exchange membrane according to the present invention can realize an electrochemical system with excellent efficiency by maintaining high ion conductivity and durability as well as having high gas barrier properties.
Absstract of: WO2025089766A1
According to an embodiment of the present invention, provided are: an anion exchange membrane comprising a carbazole-based polymer, the polymer having reduced splitting characteristics; and a manufacturing method thereof.
Absstract of: WO2025014390A1
Claimed are a method for producing hydrogen from ammonia and a plant for the implementation thereof. Liquid ammonia feedstock is heated, evaporated and superheated in a coil of a heat-reclaiming module. The gaseous ammonia feedstock is fed into an ammonia cracking reactor, the obtained nitrogen-hydrogen mixture is cooled in an air-cooling unit, and hydrogen is recovered. Liquid ammonia fuel is heated, evaporated and superheated. The gaseous ammonia fuel is mixed with the vent gases produced during the recovery of hydrogen, and the obtained fuel gas is fed together with heated air into the ammonia cracking reactor. The evaporation and superheating of the ammonia feedstock and the ammonia fuel are carried out in recuperative heat exchangers. An outlet for the flue gases of the ammonia cracking reactor is connected to the heat-reclaiming module. Arranged in series inside the heat-reclaiming module are coils for heating gaseous ammonia, fuel gas, air, a heat transfer agent, and liquid ammonia. The pressure of the flue gases is increased, the flue gases are cooled, and condensed distilled water is recovered in a separator, with the dewatered flue gases being released into the atmosphere. The invention makes it possible to increase the efficiency of low-carbon hydrogen production and to obtain an additional product in the form of distilled water.
Absstract of: CN121158829A
A preparation method of a porous molybdenum disulfide nano catalytic material belongs to the technical field of catalytic material preparation, MoO3 is prepared by an ice crystal template method, MoO3 is used as a molybdenum source, thiourea is used as a sulfur source, deionized water and ethanol are mixed to form a mixed solvent, and MoS2 is prepared through a vulcanization reaction. Citric acid and sodium chloride are added to prepare a precursor solution, and the precursor solution is subjected to freeze-drying treatment, calcination treatment and washing and drying treatment to prepare MoO3. According to the preparation method, the technical problems of aggregation and pore collapse during calcination in the process of preparing the MoO3 template are solved, and the prepared MoS2 is of a multilayer sheet structure, is uniform in form, and has an excellent specific surface area and a rich pore structure. As the MoS2 has self-supporting performance, the MoS2 can be directly contacted and loaded with the substrate, and the catalytic performance of the MoS2 is effectively improved.
Absstract of: CN122118159A
The invention relates to the field of resource recycling, and particularly discloses a method for recycling a waste lithium battery positive electrode material from electrolysis gas field water. The method comprises the following steps: preparing sodium hydroxide and sodium carbonate solids; sequentially treating the gas field water to precipitate and remove impurity ions such as magnesium and calcium to obtain pretreated gas field water; the waste lithium battery positive electrode material is placed in a positive electrode chamber of an ionic membrane electrolytic cell by using the waste lithium battery positive electrode material as an electrolyte, constant-current electrolysis is carried out by means of green power of a natural gas well site, valuable metal is leached by the positive electrode, hydrogen is synchronously generated by the negative electrode and metal is precipitated, and a chlor-alkali product is synchronously produced by the positive electrode; after electrolysis, performing solid-liquid separation on the materials at the two poles respectively, finally mixing the anolyte and the catholyte to co-precipitate residual metal ions, filtering to obtain mixed metal precipitates, and using the product for regeneration of the positive electrode material of the lithium battery. Gas field water treatment and battery recovery are coupled, waste is treated with waste, additional acid and alkali are not needed, the process is green and low-carbon, and waste recycling a
Absstract of: CN122105499A
0001 本发明涉及油田化学技术领域，是一种掺杂与异质结协同的电解水催化剂及其制备方法和应用，后者包括：将泡沫铜置于三价铁离子溶液中浸泡，之后向三价铁离子溶液中加入钼酸铵和盐酸形成混合浸泡液，泡沫铜于混合浸泡液中超声处理并静置后，得到MoO
Absstract of: CN122103142A
0001 本发明涉及光催化材料技术领域，尤其涉及磺酸基修饰的萘酰亚胺光催化剂及其制备方法与应用。本发明以1,4,5,8‑萘四甲酸酐与氨基磺酸为原料，在溶剂热条件下发生酐‑胺缩合反应生成含磺酸基功能的萘酰亚胺前驱体；通过不良溶剂诱导结晶实现分子有序组装，获得萘酰亚胺光催化剂。制备的光催化剂表现出较高的π–π堆积程度和结晶度，磺酸基团的引入进一步增强了材料的分子偶极作用和电荷分离效率。相较于邻位及间位苯磺酸侧链萘酰亚胺类对比材料，在全光谱光照条件下，该光催化剂表现出更高效水分解反应并同时产生氢气和氧气。本发明的光催化剂具有结构可调、工艺简便和良好可扩展性，适用于光解水制氢与清洁能源转化技术。
Absstract of: CN122105504A
本发明提供了一种多孔钒酸铋纳米棒负载片状掺钴石墨相氮化碳的光阳极催化剂，以及其制备方法和在光电催化裂解水制氢领域的应用。采用旋涂‑退火工艺将Co:g‑C3N4纳米片紧密负载于多孔BiVO4纳米棒表面，并通过调节Co的掺杂比例对Co:g‑C3N4纳米片的能带结构进行调控，进而构建了能带匹配良好的Co:g‑C3N4/BiVO4异质结光阳极。其中，超薄片状Co:g‑C3N4相较于BiVO4具有更负的导带电位以及更宽的光吸收范围，有利于拓展光响应区间；而BiVO4一侧的能带弯曲有助于促进光生电子向光阴极的定向传输。基于两种材料的协同作用，该异质结结构能够缩短载流子传输路径、促进光生电子‑空穴对的有效分离，从而提升光电催化水裂解制氢性能。此外，该制备工艺操作简便、步骤明确，具有潜在的规模化应用前景。
Absstract of: CN122105442A
0001 本申请提供一种棋盘格式三维结构流场板及电解槽，涉及电解水制氢领域。棋盘格式三维结构流场板包括流场板本体；入口主流道与流场入口连通，且与多个入口支流道连通；出口主流道与流场出口连通，且与多个出口支流道连通；多个入口支流道和多个出口支流道依次交替排布；每个入口支流道均设有入口倾斜孔，每个出口支流道均设有出口倾斜孔；电解液自流场入口流入，流经入口主流道并分散至多个入口支流道内，且经过入口倾斜孔进入电极中；电解液经出口倾斜孔进入出口支流道，汇聚至出口主流道并经流场出口流出。本发明提供的棋盘格式三维结构流场板解决了现有技术中存在的电解槽使用寿命低、催化活性位点利用率低和单位产氢成本高的技术问题。
Absstract of: CN122102541A
The invention discloses a system and a method for preparing olefin by coupling cement production and methanol promoted decomposition, the system comprises a cement clinker production module, a methanol supply module, a hydrogen and oxygen preparation module and a chemical synthesis module, and through multi-module cooperative coupling, high-valued conversion of carbon resources is realized on the basis of cement production; methanol is introduced as a reducing medium in a carbonate decomposition link of cement production, so that a carbon component in a carbonate decomposition product is directly converted into carbon-containing chemical raw material gas, and an additional carbon capture process is not needed; oxygen generated by the hydrogen-oxygen preparation module is used for cement calcination intensified combustion, hydrogen is used for chemical synthesis, and cyclic utilization of substances and energy is formed in the system. The method breaks through the tail end treatment thought of carbon emission reduction in traditional cement production, realizes source conversion from'process carbon emission 'to'chemical raw materials', greatly simplifies the process, reduces energy consumption, synchronously produces cement and high-value olefins, and has remarkable environmental benefits and economic benefits.
Absstract of: CN122098390A
本发明公开一种储氢材料水解控温的制氢装置及制氢方法，属于制氢技术领域，所述制氢装置包括反应单元和储液单元；反应单元包括反应容器、可拆卸的设置于反应容器中的制氢管、以及填充在制氢管外壁与反应容器内壁之间的相变控温材料；储液单元包括与反应容器连通的储液容器和气化组件；储液容器内设有与储氢材料水解反应的反应介质，气化组件将储液容器内的至少部分反应介质升温气化，气化的反应介质受控的输入反应容器中，与制氢管内容纳的储氢材料水解反应制备氢气。相变控温材料吸收反应热实现就地缓冲控温，使反应温度稳定在预设区间，降低温压峰值，抑制热失控，实现氢气平稳可调输出并提高安全性与热量利用效率。
Absstract of: CN122098724A
0001 本发明提供了一种改性石墨相氮化碳复合Cu‑MOF催化剂及其制备方法和应用，属于光催化材料技术领域。首先将双氰胺和尿素混合后进行煅烧处理，得到g‑C<3>N<4>；然后在g‑C<3>N<4>的悬浊液中加入浓硝酸和浓硫酸进行氧化处理，制得改性石墨相氮化碳；最后将改性石墨相氮化碳、1,3,5‑苯三甲酸和铜盐分散于溶剂中，进行水热反应，制得改性石墨相氮化碳复合Cu‑MOF催化剂。通过对氮化碳进行氧化改性，在其表面引入丰富的羧基、羟基等含氧官能团，与原位合成过程中的Cu²⁺形成化学键，诱导Cu‑MOF晶体在CNO表面定向生长，使得CNO与Cu‑MOF之间形成紧密结合的异质结界面，确保界面电荷传输的高效性。
Absstract of: CN122104300A
The invention discloses a method and device for synthesizing sustainable aviation fuel through solar energy driven biomass gasification. The method comprises the steps that a solar heat collection system is used for heating a heat storage medium to provide heat energy for gasification reaction and steam generation; introducing a biomass raw material and steam into a gasification furnace for gasification reaction to obtain crude synthesis gas; recycling high-temperature sensible heat of the crude synthesis gas to generate steam and generate electricity, wherein the electric energy is used for electrolyzing water to prepare first hydrogen; purifying, separating and purifying the crude synthesis gas subjected to heat exchange and cooling to obtain refined synthesis gas, separating out solid carbonaceous residues and methane, feeding the solid carbonaceous residues and methane into a combustor for combustion, and conveying generated heat to a gasification furnace; mixing the refined synthesis gas and first hydrogen, feeding the mixture into a first-stage Fischer-Tropsch synthesis reactor, and carrying out Fischer-Tropsch synthesis reaction under the action of a catalyst to generate a hydrocarbon mixture; and feeding the hydrocarbon mixture and first hydrogen into a second-stage Fischer-Tropsch synthesis reactor, carrying out a second-stage Fischer-Tropsch synthesis reaction, and carrying out rectification separation to obtain the sustainable aviation fuel.
Absstract of: CN122104294A
The invention provides a device for preparing green aviation fuel through Fischer-Tropsch synthesis, and relates to the technical field of preparation of green aviation fuel. In the device, provided biomass is gasified by a gasification reactor to generate raw gas; the partial oxidation reactor is used for synthesizing raw gas and low-carbon hydrocarbon into first synthesis gas; the medium-temperature conversion system is used for performing medium-temperature conversion on the first synthesis gas so as to adjust the hydrogen-carbon ratio in the first synthesis gas for the first time; the mixer is used for mixing the first synthesis gas subjected to medium-temperature shift with supplemented hydrogen, so that the hydrogen-carbon ratio of the first synthesis gas is adjusted for the second time, and second synthesis gas is obtained; the synthesis adjusting system adjusts the second synthesis gas, and the Fischer-Tropsch synthesis reactor performs Fischer-Tropsch synthesis reaction on the adjusted second synthesis gas to obtain a hydrocarbon mixture; the distillation system is used for carrying out distillation separation on the hydrocarbon mixture to generate low-carbon hydrocarbons and heavy components; and the hydroisomerization cracking system is used for sequentially carrying out hydroisomerization and cracking treatment on the heavy components generated by the distillation system to obtain the green jet fuel.
Absstract of: CN122105503A
本发明涉及的是自支撑NiCdMo三元复合金属氧化物催化剂及其应用，所述催化剂制备方法为：将泡沫镍在超声条件下清洗，得到泡沫镍基底；将镍金属盐、钼金属盐和镉金属盐溶解于乙二醇水溶液中，室温下搅拌均匀后转移至聚四氟乙烯内衬高压釜，加入泡沫镍基底，密封高压釜，进行溶剂热反应，待自然冷却至室温后，将所得前驱体洗涤、真空干燥后得到A；将A在惰性气氛中煅烧，自然冷却至室温，得到B；将B在5 vol.%NH3/N2气氛中煅烧，自然冷却至室温，得到自支撑NiCdMo三元复合金属氧化物催化剂。这种自支撑NiCdMo三元复合金属氧化物催化剂在尿素氧化反应和析氢反应中展现出高催化活性与长期稳定性。
Absstract of: CN122098185A
The invention provides a CO2 trapping method and a CO2 trapping device for electrochemical regeneration of coupled hydrogen production. The method comprises the following steps: absorbing CO2 in CO2-containing gas by using an alkaline solution to form a CO2-rich solution; carrying out acid-base neutralization on the CO2 rich solution and an acidic solution to obtain a neutralized solution and CO2; the neutralization solution is electrolyzed to obtain cathode electrolysis products and anode electrolysis products, the cathode electrolysis products are H2 and an alkaline solution, and the anode electrolysis products are O2 and an acid solution; the acidic solution is selected from one or a combination of more than two of a pyruvic acid solution, a gluconic acid solution, a malonic acid solution, a tartaric acid solution, a glyceric acid solution, an oxaloacetic acid solution, a formic acid solution, an isopropyl acid solution, an isobutyric acid solution, a fumaric acid solution, an aconitic acid solution, an isocitric acid solution and a hexanediol diacid solution. The acid solution generated through electrolysis can avoid corrosion to devices and equipment, and the net energy consumption and the net cost in the CO2 trapping process are reduced.
Absstract of: CN122105480A
0001 本发明的目的在于提供一种基于H<2>热驱动熔断Zn‑N键在钌纳米颗粒表面负载锌原子簇的方法及应用，属于纳米催化材料的制备技术领域，本发明以含有配位限域的Zn‑N<4>和窄孔限域的Ru团簇的双限域型材料为前驱体，保障了初始活性位点的均匀分散与紧密邻近。H<2>作为关键诱导剂，利用钌位点催化裂解氢气所产生的活性氢物种，通过氢溢流效应，实现了对热力学稳定的Zn‑N键的断裂。具有高迁移率Zn原子并最终被选择性地捕获在Ru纳米颗粒表面，Zn物种在Ru晶体表面通过扩散、成核与生长，自组装形成亚纳米尺度的Zn原子簇。该材料可改善Ru基催化剂的本征催化活性和稳定性，为高效能源转化提供了新途径。
Nº publicación: CN122105429A 29/05/2026
Applicant:
阳光氢能科技有限公司
Absstract of: CN122105429A
0001 本申请公开了一种制氢装置和制氢装置的控制方法，属于制氢技术领域。制氢装置包括：电解槽；蒸汽产生装置，所述蒸汽产生装置的第一蒸汽输出端与所述制氢装置的电解液循环系统连接，所述蒸汽产生装置产生蒸汽通过所述第一蒸汽输出端输入至所述电解液循环系统，以升高所述电解槽的电解液温度。该制氢装置可以安全、高效地提高启动时的制氢效率，有效缩短制氢装置满载制氢所需时间。
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