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Resultados 100 a 146 de 146
Resumen de: CN121672509A
本发明属于石墨烯改性技术领域，具体涉及一种共价功能化石墨烯纳米片及其制备方法。该技术方案利用羧甲基壳聚糖（CMCS）辅助球磨对石墨烯进行分散和改性，同步实现石墨烯的共价功能化与物理剥离。此方法有效解决了石墨烯因层间强范德华力及表面化学惰性导致的难以大规模剥离和功能化的技术难题，克服了传统方法工艺复杂、条件苛刻或环境不友好的缺陷。所产生的技术效果显著：工艺绿色高效，功能化石墨烯产率高达72.3%，其在水中的分散浓度可达14.8 mg/mL且稳定性优异，为拓展石墨烯在热管理等领域的实际应用提供了重要的理论与实验依据。
Resumen de: CN121672495A
本申请提供一种基于玫瑰石斛的碳量子点的制备方法及应用，属于液体绷带技术领域。将玫瑰石斛干粉置于蒸馏水中，反应所得溶液冷却至室温，离心，上清液膜过滤后，所得滤液冷冻干燥，得到固体即为基于玫瑰石斛的碳量子点。本申请制备的碳量子点DCQDs具有较强的抗菌、抗生物膜、抗氧化和抗炎活性，与水凝胶基质结合后的CMCS‑CMC‑DCQDs水凝胶具有良好的血液相容性和细胞相容性，在促进体外伤口愈合、控制氧化和炎症应激方面表现优异。
Resumen de: CN121672505A
本发明公开了一种基于石墨同时制备石墨烯和二维金刚石的方法：将单晶鳞片石墨粉置于粉体ALD设备中进行氧化钽沉积，得到ALD处理后的单晶鳞片石墨粉，将其与高聚物混合，置于球磨罐中机械混合均匀，得到混合料；利用压片设备将混合料制成压片样品，将压片样品组装进六面顶压机的合成块中压制，获得石墨烯和二维金刚石；本发明方法可获得稳定的尺寸较大的二维金刚石和石墨烯，具有制备工艺简单，参数可调节范围广，不受限于衬底技术等优势，对于开展二维金刚石和石墨烯的研究并实现其应用有重要意义。
Resumen de: CN121672501A
本发明公开了一种基于超临界流体协同萃取的单壁碳纳米管纯化方法，包括将过氧化氢水溶液与单壁碳纳米管混合，通入CO2后在一定压力下加热，打开UV灯并搅拌，降温泄压；将弱酸与金属螯合剂混合均匀后加入到上述反应釜中，通入CO2后在一定压力下加热，搅拌反应完成后降温并泄压的步骤。本发明在对单壁碳纳米管进行纯化时，先使用H2O2在CO2超临界流体的高压环境下对单壁碳纳米管进行处理，通过UV光激发H2O2分解产生‑OH自由基，将单壁碳纳米管中无定形碳、石墨片壳和金属杂质氧化；再利用超临界CO2流体、酸和金属螯合剂使剩余金属单质先转变为金属盐溶液，再生成中性的、有机分子型的金属螯合物，以达到高效除杂的目的。
Resumen de: CN121675004A
本发明属于电化学新能源转换技术领域，具体涉及一种氮掺杂碳纳米管基电极材料的制备工艺及其生物质醇类高效转化应用。本发明采用研磨和程序温控退火工艺，实现NH2‑CNT的氮掺杂可控调节，然后配置分散液，使用喷涂协同红外灯照干的方式负载于碳纸上制备电极，首次应用于电催化生物质醇氧化体系中，氮掺杂的氨基化多壁碳纳米管可实现优异的催化活性和生物质醇氧化能力，高于商业铂碳与氮掺杂CNTs材料。反应起始电位低至1.1 V vs.RHE，1.6 V vs.RHE电位下氧化电流可达80 mA/cm2。制备工艺简单，生产成本低，易于工业规模化生产，在能源、环保、电催化等领域有广阔的应用前景。
Resumen de: CN121672498A
本发明涉及纳米材料技术领域，尤其涉及一种单壁碳纳米管及其制备方法，所述制备方法包括如下步骤：将气态原料混合后，于800‑1350℃反应后，得到单壁碳纳米管；所述气态原料包括气态催化剂与气态碳源。本发明提供的单壁碳纳米管的制备方法，通过将气态的催化剂与气态的碳源混合后通过高温裂解来进行单壁碳纳米管的原位生长，使得催化剂与碳源以原子级别进行混合，从而在使得单壁碳纳米管均匀生长的同时，避免寡壁碳纳米管以及多壁碳纳米管的生长，提高产品质量。
Resumen de: CN121672504A
本发明公开了一种同时制备石墨烯和二维金刚石的方法，包括：将单晶鳞片石墨粉、高聚物加入球磨罐中，球磨混合均匀，所得混合粉末压片后置于六面顶压机中压制，得到石墨烯和二维金刚石；该方法获得了稳定的尺寸较大的石墨烯和二维金刚石，且制得的石墨烯和二维金刚石中不含杂质，纯度较高，对于开展石墨烯和二维金刚石的物理化学性质的研究并实现其应用具有重要意义。
Resumen de: CN121672500A
本发明提供了一种高效可控缺陷碳纳米管及其制备方法与应用，所述制备方法将碳纳米管与金属氧化物混合均匀后，依次进行碳热还原反应、刻蚀反应、酸洗、水洗、干燥，既可以通过金属氧化物的尺寸、添加量来控制缺陷位点数量，又可以借助碳热还原得到的金属单质比热容较高，提高刻蚀位点的热能，加速刻蚀速度，可以通过控制刻蚀温度、时间来控制缺陷位点的缺陷程度；本发明所述制备方法通过两步关键控制，就可以绿色高效可控地制备所需缺陷碳纳米管，可以提高碳纳米管在应用时的分散效率。
Resumen de: CN121672499A
本发明涉及氢能存储材料技术领域，公开了一种通过带缺陷碳纳米管束提高储氢效率的方法，包括以下步骤：S1，制备单壁碳纳米管束，所述单壁碳纳米管束由多个单壁碳纳米管以六方阵列排列组成；S2，在所述单壁碳纳米管的管壁上引入空位缺陷，所述空位缺陷的尺寸不小于临界尺寸NV=8；S3，调节单壁碳纳米管束中相邻单壁碳纳米管的管间距离为5.1Å至9Å；S4，将所述具有空位缺陷的单壁碳纳米管束置于含氢气氛中，在设定的温度与压强条件下进行氢气的物理吸附。本发明通过空位缺陷的引入，减小了碳纳米管的质量，结合单壁碳纳米管束的管内空腔与管间间隙双吸附位点，储氢效率远超孤立完美的单壁碳纳米管。
Resumen de: CN121672527A
本发明涉及复合碳材料技术领域，尤其涉及一种金属碳化物修饰的碳材料及其制备方法和应用。本发明提供的制备方法包括将碳材料与修饰元素前驱体混合，得到混合粉体；在保护气氛或真空环境中，将所述混合粉体进行煅烧处理，得到所述金属碳化物修饰的碳材料；所述修饰元素前驱体中的修饰元素包括钪、钛、钒、铬、锰、铁、钴、镍、钇、锆、铌、钼、锝、钌、铑、钯、铪、钽、钨、铱和铼一种或几种；所述碳材料为未修饰的碳材料或三维结构石墨烯修饰的碳材料。所述制备方法能够显著提高金属碳化物和碳材料之间的耦合与粘附能力使其具有优异的结构稳定性，在热管理材料、高强高导金属基复合材料、高导电高导热树脂基复合材料和抛光剂磨料领域中应用。
Resumen de: CN121651343A
本发明涉及碳纳米管制备技术领域，提供一种二氧化碳制备碳纳米管的方法及系统。方法包括原料混合物制备、催化剂制备、二氧化碳转化制备一氧化碳、一氧化碳气体净化与储存、碳纳米管催化合成以及产物后处理与纯化等步骤。系统包括原料预处理单元、催化剂制备单元、一氧化碳生成单元、气体净化储存单元、碳纳米管合成单元和产物处理单元，各单元协同配合实现连续稳定生产。本发明实现了二氧化碳的高效资源化利用，生产的碳纳米管具有纯度高、结构均匀、结晶质量好的特点，同时具备生产过程绿色环保、原料适应性广、产品质量稳定可控的优势。
Resumen de: CN121649385A
本发明提供一种高性能树状银与碳基材料复合材料及其制备方法和应用，所述复合材料的原料包括树状银粉末和碳基材料，其中，树状银与碳基材料的质量比例为0.2‑0.7：1，且所述树状银粉末粒径为1‑10 μm。本发明通过将树状银粉末与碳基材料（如石墨烯或碳纳米管）以特定比例混合，经分散、涂膜和热处理工艺制备而成。本发明的复合材料实现了高导电性（约1.2×10⁵ S/cm）、高导热性（>1400 W/mK）、优异电磁屏蔽效能（>40 dB）、高柔性（弯曲半径<5 mm）和长期稳定性（分散稳定性相对值>0.95），相比现有技术显著提升了综合性能，适用于高效导电、导热、电磁屏蔽和柔性电子器件领域。
Resumen de: CN121651346A
本发明属于新型碳纳米材料技术领域，公开了一种丁酸梭菌衍生碳点船样纳米颗粒及其制备方法和应用，制备方法包括以下步骤：步骤1，将丁酸梭菌培养至对数期，然后置于预处理溶液进行混悬孵育以调控丁酸梭菌细胞的结构完整性与表面化学组成，所述预处理溶液为EDTA、NaCl或PEG‑8000的水溶液，孵育结束后，离心收集沉淀，清洗，重悬于超纯水中；步骤2，将经过步骤1处理的丁酸梭菌置于高压反应釜中进行水热反应，得到粗产物体系；步骤3，将粗产物体系过滤纯化，冷冻干燥得到丁酸梭菌衍生碳点船样纳米颗粒。本发明制备的纳米颗粒粒径均一，具有良好的水溶性、分散性及生物相容性，具有显著的免疫调控功能。
Resumen de: CN121651345A
本申请涉及一种碳纳米管的纯化方法，包括以下步骤：提供待处理碳纳米管物料，待处理碳纳米管物料包括碳纳米管、金属催化剂和不定型碳；将待处理碳纳米管物料进行热处理，制得第一处理物料；热处理的温度为300℃~600℃；在保护性气氛下，通入还原性气体与第一处理物料进行还原反应，制得第二处理物料；通入气态氯源与第二处理物料进行氯化反应，制得第三处理物料；将第三处理物料进行水洗。本申请提供的碳纳米管的纯化方法，可有效去除金属催化剂，提升碳纳米管的纯度，且可避免传统纯化方法中高温处理对碳纳米管导电性能的影响，保证碳纳米管的导电性能。
Resumen de: CN121651314A
本发明提供了一种梯度复合包覆型磷酸铁锂材料的制备方法，该材料由磷酸铁锂内核及依次包覆的Li3PO4‑Al2O3复合离子导电层、氮掺杂多孔碳层和功能化含氟聚合物修饰层构成。通过水热法合成磷酸铁锂基体后，首先采用用原子层沉积（ALD）法在磷酸铁锂表面生长纳米级Li3PO4‑Al2O3复合层，随后通过原位聚合‑碳化法在离子导电层外构建连续氮掺杂多孔碳层网络，最后利用电喷雾沉积技术在碳层表面形成含氟聚合物修饰层，通过三层协同作用解决单一包覆材料局限性。该材料具备优越的锂离子传输性能和电子导电性能，能量密度高，低温性能好，采用该材料制备的锂离子电池具备优异的循环性能和更高的电池容量。
Resumen de: CN121662780A
本发明公开一种基于苯基多面体低聚倍半硅氧烷交联的硅碳复合负极材料及其制备方法和应用，制备方法包括以下步骤：S1、将苯基多面体低聚倍半硅氧烷加入1,2‑二氯乙烷溶液中，在搅拌下加热并加入AlCl3和交联剂，反应后过滤、洗涤获得交联聚合物；S2、将交联聚合物放入高温设备中，惰性气氛下加热碳化得到SiOx@C微球；S3、将无水AlCl3加入熔融1‑丁基‑3‑甲基咪唑氯化物中，搅拌下加入镁粉和SiOx@C微球，惰性气氛反应，产物经二氯甲烷和稀盐酸洗涤、干燥得到初级硅碳材料；S4、将初级硅碳材料置于反应器中，惰性气氛下通入碳源气进行碳包覆，得到基于苯基多面体低聚倍半硅氧烷交联的硅碳复合负极材料。
Resumen de: WO2026051476A1
Provided in the present application are a positive electrode active material, and a preparation method therefor and the use thereof. The positive electrode active material comprises an LiMnxFe1-xPO4 inner core and a carbon coating layer covering at least part of the surface of the inner core, wherein 0≤x<1. The compaction density of the positive electrode active material is not lower than 2.28 g/cm3; and the impedance of the positive electrode active material is not higher than 1,500 Ω. The compaction density and impedance of the positive electrode active material provided in the present application are defined, such that the positive electrode active material has a relatively high compaction density and good rate capability; and when the positive electrode active material is applied to a lithium-ion battery, the specific capacity, energy density and rate capability of the lithium-ion battery can be improved.
Resumen de: WO2026053206A1
A graphene-metal composite comprising at least two graphene layers and at least one metal layer in between the two graphene layers. The metal layer)s) are essentially free of residuals (e.g., water, organic solvents, metal oxides, metal halides, halides, halogen molecules, and organo-metallic compounds), have a layer normalized spatial thickness deviation lower than 10%, cover at least 90% of an adjacent one of the at least two graphene layers and/or at least one of the graphene layers defect density is lower than 1e11 defects per cm2.
Resumen de: US20260071075A1
A method includes a step of preparing a nanoparticle that has a perovskite-type crystal structure as an allotrope and includes multiple crystal structures, a step of preparing a ligand solution containing a solvent that has a relative dielectric constant of a prescribed value or less and an associative ligand that includes a main chain having a plurality of carbon atoms and a polar group having a higher polarity than the main chain and self-associates in the solvent, and a step of preparing a nanoparticle dispersion by bringing the nanoparticle and the ligand solution into contact with each other, wherein the step of preparing a nanoparticle dispersion includes a step of selectively increasing the ratio of the content of a prescribed crystal structure in the multiple crystal structures.
Resumen de: WO2026054719A1
The two-dimensional carbon quantum dot production machine with an automatic continuous system is designed for synthesizing two-dimensional carbon quantum dots, namely graphene oxide quantum dots or reduced graphene oxide quantum dots, within a single integrated device, using graphene oxide or reduced graphene oxide as the precursor material. The primary structure of the carbon quantum dot production machine comprises an external main frame for placing synthesis equipment, shaped as a tall rectangular box, with wheels installed at all four bottom corners for mobility. The machine includes a control cabinet and an operating control system powered by a processing unit, along with a wet air filtration system. The external main frame is equipped with various components including a deionized water tank used in the production process, a chemical oxidation reaction tank with temperature control and a magnetic stir bar for agitation during the reaction, a pH monitoring system, and a condenser unit to condense vapors from the reaction back into liquid. It also includes a high- frequency ultrasonic reaction tank with temperature control via water flow through coiled tubing wrapped around the container, a dual-stage filtration system consisting of a coarse filter and a fine filter, and a purification system using a dialysis membrane bag. The machine is equipped with a water valve system for flow control, a stirring system with paddle blades, and a product storage tank for collecting the
Resumen de: US20260072203A1
An aperiodic absorber nanostructure, comprising a substrate; a first semiconductor absorber layer in contact with a planar surface of the support substrate; a plurality of dielectric layers; a plurality of graphene layers alternated with the plurality of dielectric layers to form a stack ending with a last dielectric layer; and a second semiconductor absorber layer in contact with the last dielectric layer; and wherein the thickness of each of the plurality of layers is configured such that the nanostructure achieves a desired absorption level of a mid-infrared wavelength. A method of constructing the nanostructure. A method of using the nanostructure as a perfect absorber by exposing the aperiodic absorber nanostructure to a mid-IR source.
Resumen de: TW202509950A
The present disclosure provides carbon nanotube (CNT)-to-metal assemblies comprising a carbon nanotube (CNT) component connected to a metal component, and methods for preparing them. The assemblies may be connected through a CNT-to-metal connector that may comprise a CNT connector pad.
Resumen de: EP4707236A1
The present invention relates to a carbon nanotube dispersion exhibiting low viscosity and little change in viscosity over time, which includes carbon nanotubes, a dispersant, and a dispersion medium, wherein the dispersant contains a first dispersant and a second dispersant in a weight ratio of 100:10 to 90, the first dispersant is a dispersant containing an N atom, the second dispersant is a compound containing a sulfonic group, a hydroxyl group, and an aromatic ring in a molecular structure, and the carbon nanotubes and the dispersant are present in a weight ratio of 100:25 to 500.
Resumen de: WO2026010053A1
The present invention relates to a method for purifying carbon nanotubes, capable of obtaining high-purity purified carbon nanotubes in a high yield by heating crude carbon nanotubes containing a high content of metal oxides as impurities under a gas atmosphere and simultaneously supplying a halogen material and an oxygen removing material to the heated crude carbon nanotubes to induce a reaction.
Resumen de: CN121626979A
本发明涉及一种用于制备导电增强长碳链尼龙的石墨烯及其制备方法，其特征在于：将石墨作为阳极，铂片作为阴极，低共熔溶剂作为电解质，通过施加动态电压触发剥离过程，成功制备出少层石墨烯，产率高达85%。将剥离后的样品进行抽滤、收集、干燥，得到石墨烯填料。使用动态电位调控技术制备石墨烯，该方法高效环保，得到的石墨烯填料与尼龙和玻璃纤维均具有良好的相容性，开发出一种兼具高导电性、低吸湿性和优异力学性能的石墨烯增强尼龙复合材料。
Resumen de: CN121626973A
本发明公开一种具有酶样活性的碳点材料及其制备方法和应用，具有酶样活性的碳点材料采用水热法构建，包括以下元素：碳、氮、氧、硫、铁、氯，以下表面官能团：羟基、氨基、羧基、巯基、C‑N键、Fe‑O/Fe‑N键。本发明专利的具有酶样活性的碳点材料应用在有代谢相关性脂肪性肝病（MASLD）的小鼠能显著改善小鼠的表型、生化、血清学指标。对MASLD有显著的保护作用，具有广泛的应用前景。
Resumen de: CN121642438A
本发明公开了一种锂硫电池用镍掺杂氧化铈/碳纳米管功能隔膜及其制备方法。以常规商业电池隔膜为基体，在其一侧表面铺设镍掺杂氧化铈/碳纳米管（Ni‑CeO2‑x/CNT）复合材料为功能层。其中，交织网状结构的碳纳米管具备质轻、导电性高和机械性能优异等特性，不仅能够对多硫化物发挥物理阻挡作用，还可为电池系统提供良好的电子传导路径。镍掺杂进入氧化铈晶格后，丰富了极性Ni‑CeO2‑x中氧空位缺陷，从而促使其高效吸附多硫化物，并加速催化多硫化物转化，有效抑制锂硫电池的“穿梭效应”。因此，基于Ni‑CeO2‑x/CNT功能隔膜所组装的锂硫电池呈现出高比容量、优异的倍率性能和循环稳定性。
Resumen de: CN121626978A
本发明属于电池领域，具体涉及一种rGO纳米片的制备方法，将氧化石墨烯分散液经冷冻干燥处理，得到冷冻GO；再将冷冻GO预先在温度T1下进行第一段保温处理，再升温至温度T2并进行第二段保温处理，制得rGO纳米片；其中，温度T1为500～700℃；所述的温度T2为750～1500℃。本发明还包括所述的制备方法制得的rGO纳米片及其在制备集流体中的应用。本发明创新地将氧化石墨烯分散后进行冷冻干燥处理，随后进行后续的两段梯度热处理，如此能够可控地调控其缺陷程度，此外，还能够规避处理阶段的结构的大范围损伤，如此可以制备兼顾高比表面积、高导电、片层且缺陷可控的rGO材料，且所述的制备方法制得的所述材料用作集流体，可以表现出优异的性能。
Resumen de: CN121642076A
本申请公开了一种正极材料及其制备方法、电池单体、电池装置、用电装置，电池单体包括包括正极极片，正极极片包括正极集流体和位于正极集流体至少一侧的正极膜层，正极膜层包括正极材料，正极材料包括：内核，包括正极活性材料，正极活性材料包括含锂磷酸盐；碳包覆材料，覆盖内核的至少部分表面，碳包覆材料的拉曼图谱具有G峰和D峰，且ID/IG小于等于0.9。本申请实施例可以减少正极材料对电解液的催化氧化，改善电池单体的高温存储性能。
Resumen de: US2023227313A1
Disclosed herein is an apparatus and method for fabrication of large diameter single-walled carbon nanotube films. Advantageously, large diameter single-walled carbon nanotube films may be useful as transparent electrodes with high transparency and lower sheet resistance. In one embodiment, the method includes supplying carrier carbon monoxide and catalyst precursor through a first inlet at a temperature below the reaction temperature of the catalyst precursor; supplying heated carbon monoxide through a second inlet such that the heated carbon monoxide mixes with the carrier carbon monoxide and the catalyst an aerosol; reacting the aerosol in a reaction chamber to form a composite aerosol of single walled carbon nanotubes, metal nanoparticles, carbon monoxide, and carbon dioxide. In this embodiment, the heated carbon monoxide heats the catalyst precursor which reacts with the carbon monoxide to form carbon nanotubes.
Resumen de: CN121641893A
本发明提供一种硅碳复合材料及其制备方法与应用，涉及锂离子电池负极材料技术领域。一种硅碳复合材料的制备方法，包括以下步骤：S1、将硅源与镁源球磨混合，热处理，得到混合物，将混合物进行酸处理、刻蚀，得到多孔硅；S2、将多孔硅浸渍在含磷源、碳源的混合溶液中水热反应，得到前驱体；S3、将前驱体进行煅烧、活化，得到硅碳复合材料。本发明制得的硅碳复合材料可以提升锂离子电池的循环稳定性，并且有效缓解体积膨胀。
Resumen de: CN121641875A
本发明实施例涉及一种基于纳米硅复合多孔碳基基体的材料及其制备方法和应用。基于纳米硅复合多孔碳基基体的材料包括内核和外壳；内核包含多孔碳基基体和嵌入该基体中的纳米硅颗粒；多孔碳基基体由耐高温聚合物与由耐高温聚合物热分解生成的碳基导电材料复合组成，纳米硅颗粒填充于多孔碳基基体的孔隙中，形成纳米硅复合多孔碳基基体内核；外壳包覆于内核之外，形成包覆结构；其中，耐高温聚合物包括聚苯并咪唑及其衍生物：外壳为碳包覆层；多孔碳基基体的粒径D50在20nm‑100um之间；多孔碳基基体的孔径在0.4nm‑200nm之间；多孔碳基基体的比表面积为300m2/g‑3000m2/g；多孔碳基基体的孔容为0.1cm3/g‑6.0cm3/g。
Resumen de: CN121626977A
本发明属于纳米材料制备技术领域，具体涉及一种超长碳纳米管的连续制备方法。本发明提供的一种超长碳纳米管的连续制备方法，包括以下步骤：（1）向反应器内通入惰性气体，升温至反应温度；（2）向反应器内通入碳源气体、氢气、惰性气体和水蒸气的混合气，同时注入多组分催化剂，进行超长碳纳米管的生长；（3）生长结束后，将反应器冷却；其中，反应器是长度为5~110 m，管径为0.05~10 m的直管反应器或长度为2~50m，匝数为5~500，小直径为0.04~0.5 m，大直径为0.5~2 m的螺旋状管式反应器，反应器的进料口设置长度为0.1~0.5 m，管径为0.01~0.1 m进料管，反应器中不设置基底。该方法使超长碳纳米管直接在反应器内的三维空间中生长，产率比以往报道的产率提高了至少一千万倍以上。
Resumen de: CN121628226A
本发明属于荧光功能材料技术领域，具体涉及一种基于奎宁掺杂荧光碳点的复合材料及其制备方法和用途。复合材料包括聚合物基体和碳点，碳点为基于奎宁衍生物掺杂强化荧光碳点，基于奎宁衍生物掺杂强化荧光碳点的制备方法为：将有机碳源、氮源和掺杂剂溶解在溶剂中进行水热反应，掺杂剂为奎宁衍生物；水热反应前还进行微波反应，使得有机碳源和氮源发生预缩聚形成碳点预聚体，同时奎宁衍生物吸附掺杂在碳点预聚体中。复合材料的制备方法是将基于奎宁衍生物掺杂强化荧光碳点与聚合物基体混合均匀后加工成膜。本发明的复合材料具有优异的紫外吸收性能、荧光性能以及抗老化性能，可用于光伏、塑料、涂料等材料领域。
Resumen de: CN121628957A
本发明属于生物育种技术领域，具体的说是一种基于基因编辑的蔬菜种子种苗培育方法，包括构建负载基因编辑核糖核蛋白（RNP）的靶向性纳米递送载体，该载体由表面修饰聚乙烯亚胺和茎尖分生组织归巢肽（MHP）的碳纳米点组成，通过微液滴原位渗透法将RNP递送至蔬菜幼苗茎尖分生组织，实现对目标基因的瞬时编辑，并经有性生殖获得纯合、无外源基因残留的编辑种子。通过上述方案，本申请实现了无需遗传转化与组织培养的非转基因基因编辑，具有操作简便、周期短、效率高、适用性广的优点，适用于番茄、菠菜、黄瓜等多种蔬菜的性状改良。
Resumen de: CN121641888A
本申请属于锂离子电池电极材料技术领域，尤其涉及一种粉体电极材料的表面改性方法及粉体电极材料。该表面改性方法，包括：将粉体电极材料保持在80℃～180℃的温度区间；向所述粉体电极材料表面交替脉冲供应金属源前驱体与反应源前驱体，使所述金属源前驱体与所述反应源前驱体在所述粉体电极材料表面进行自限制反应，以生成连续包覆在所述粉体电极材料的整个外表面的金属氧化物层，得到表面改性粉体电极材料；其中，所述金属氧化物层的厚度为1nm～20nm，所述金属氧化物层中金属氧化物为氧化锌或氧化铌。解决低温条件下粉体电极材料表面改性的均匀性与结构完整性难题。
Resumen de: CN121626976A
本发明公开了属于氮掺杂碳纳米管类材料领域的一种氮掺杂碳纳米管类材料及其制备方法，具体为利用含氮有机聚合物聚氨酯为碳源，采用化学气相沉积法，经催化剂高温催化制备氮掺杂碳纳米管类材料；本发明制备的碳纳米管类材料为由同轴管壁组成的多壁碳纳米管、中心被分割成密闭腔室的竹节状碳纳米管、鳞状碳纳米管、枝杈状碳纳米管等；可作为增强材料，储能材料，新型电子探针及电子器件、传感器材料，隐身材料，催化剂及催化剂载体等。
Resumen de: CN121626991A
本发明公开了一种Ti3C2Tx MXene‑GQD纳米复合材料及其制备方法和应用，涉及复合材料制备技术领域。该方法包括以下步骤：将LiF溶解于盐酸溶液中，加入Ti3AlC2粉末，制得胶体溶液；将柠檬酸溶于去离子水中，然后水热碳化，制得GQD溶液；将胶体溶液和GQD溶液混合，搅拌，制得纳米复合材料。本发明利用Ti3C2Tx MXene二维片层结构，稳定GQD纳米颗粒，使其分散均匀且不易团聚，保证长期均一性；利用Ti3C2Tx MXene光热效应及GQD光动力效应，实现双重光响应抗菌效能，可高效抑制耐药菌感染，为治疗耐药菌提供非抗生素途径，在实践中有效控制感染问题及相关性术后疼痛问题。
Resumen de: CN121610817A
本发明提供了一种碳纳米管负载超小铂‑稀土单原子合金纳米颗粒电催化剂的制备方法及应用。所述方法包括：步骤（1）：稀土氢氧化物/氧化物纳米棒的合成；步骤（2）：通过多巴胺包覆再刻蚀制备含有稀土单原子的衍生碳纳米管载体；步骤（3）：铂活性中心的负载与精准合金化。本发明合成方法普适性强，所需设备简单，所制备的铂‑稀土单原子合金纳米颗粒平均粒径小于4 nm，且其甲醇电氧化活性相较于20wt.%商业PtC提升十数倍，为制备负载型超小铂‑稀土单原子合金催化剂和高活性的甲醇电氧化催化材料提供了新的合成方案与设计思路。
Resumen de: CN121609323A
本发明公开了一种基于水热法回收废旧生物质基树脂制备碳微球的方法，属于废旧树脂回收与碳微球制备合成领域。本发明以双环戊二烯苯酚树脂代替部分间苯二酚，利用树脂分子量大的特点从而控制微球大小，最后使用回收树脂改性的从而制备的碳微球具有相对较好的球型度与更小的粒径，且其制备方法简单、反应条件温和。
Resumen de: CN121607163A
一种低磁导率碳纳米管催化剂及其制备方法和低磁导率碳纳米管，旨在克服现有技术中碳纳米管存在磁性催化剂颗粒残留，且不易去除，应用于电芯影响其性能的缺陷，该低磁导率碳纳米管催化剂包括：质量比为(2‑45):(0.5‑15)的催化活性组分和抗磁性固溶组分；抗磁性固溶组分能够改变催化活性组分的磁畴排列方式并降低其磁性；制备方法：将催化活性组分和抗磁性固溶组分的金属盐进行固溶处理，得到低磁导率碳纳米管催化剂；固溶处理使抗磁性固溶组分进入到催化活性组分中；抗磁性固溶组分的加入，改变了原催化活性组分的磁畴排列方式，得到了低磁导率的碳纳米管催化剂；制备得到低磁导率碳纳米管，相对磁导率远低于常规碳纳米管。
Resumen de: CN121609328A
本发明公开了一种易去除聚合物提纯碳纳米管的方法，属于半导体材料技术领域。该方法包括：将粗制碳纳米管原料与聚(2‑(甲基丙烯酰氧基)苯甲酸十二烷基酯)加入有机溶剂中混合；采用非接触式超声对混合液进行分散处理，利用聚合物分散剂对碳纳米管进行非共价包覆；对分散后的混合液进行离心沉降分离，去除含有杂质的上清液，收集沉淀物；利用良溶剂对沉淀物进行洗涤，溶解并去除碳纳米管表面的聚合物分散剂，获得提纯后的碳纳米管。本发明利用特定聚合物的易溶特性，无需酸处理即可通过溶剂洗涤彻底去除包覆剂，避免了化学残留和对碳纳米管结构的破坏，获得结构完整且极高纯度的碳纳米管。
Resumen de: CN121609327A
本发明涉及碳纳米管除杂技术领域，尤其是涉及一种单壁碳纳米管的纯化方法、高纯单壁碳纳米管及应用。本发明的高纯单壁碳纳米管中的金属含量≤0.5wt％，结晶度W结晶为95％～98％；W结晶＝100％‑W挥发‑W非晶‑MA·W灰分/(MA+x·MO)；其中，W挥发、W非晶和W灰分分别为高纯单壁碳纳米管的热重曲线中0～300℃范围内纵轴衰减值，300～500℃范围内纵轴衰减值和纵轴极小值；MA为高纯单壁碳纳米管中含量最高的金属元素的相对原子质量；MO为氧元素的相对原子质量；x为高纯单壁碳纳米管中含量最高的金属元素的氧化物中的氧元素与金属元素的原子比。该高纯单壁碳纳米管纯度高、结晶度高、导电性好。
Resumen de: US20260062300A1
Carbon nanotube (CNT) hybrid materials and methods of making such materials. A carbon nanotube (CNT) hybrid powder material includes a mesh of CNTs intimately interspersed with particles of a second material. In an example the material includes a blend that itself includes particles of a metal oxide supported catalyst and particles of a second material, and a mesh of CNTs is grown on the supported catalyst in the blend. The mesh of CNTs is effective to disperse the particles of the second material.
Resumen de: WO2026044373A1
The present patent of invention relates to aluminium-graphene nanocomposites with high electrical and thermal conductivity, and methods for obtaining same via microstructural control, and more specifically to the incorporation of multilayer graphene nanoplatelets (mGNP or few-layer graphene), comprising up to 10 layers, into pure commercial aluminium or aluminium alloys, using electric furnaces. The nanocomposites obtained comprise an aluminium matrix with dispersed graphene as the reinforcing phase, in proportions ranging from 0.1 wt% to 3 wt%. In order to obtain the nanocomposites, gravity casting techniques were employed in resistive and induction furnaces, with adaptations to prevent oxidation through the use of an inert gas atmosphere. The methodology employed enables a significant increase in electrical conductivity, ranging from 45% to 95% relative to the as-received commercial material, depending on the amount of graphene added. The thermal diffusivity of the nanocomposites also increased by 15% to 50%, with a possible maximum of around 0.5 wt% to 1 wt% of graphene. Similarly, the general physical properties exhibited marked improvements, although the rate of improvement decreased for nanocomposites containing more than 2 wt% of graphene.
Resumen de: WO2026047718A1
The present invention relates to a solid-state rechargeable zinc-air battery featuring a novel bifunctional electrocatalyst, a dual-crosslinked polyacrylic acid hydrogel electrolyte, and a stannate-based additive for in situ zinc anode modification. The cathode comprises a gas diffusion layer coated with ruthenium-ruthenium oxide core-shell nanoparticles supported on nitrogen-doped graphene, providing enhanced bifunctional catalytic activity and stability. The anode consists of zinc metal modified in situ by a stannate-based additive to form a solid electrolyte interphase layer, effectively suppressing dendrite formation. The electrolyte membrane is a polyacrylic acid hydrogel, covalently and ionically cross-linked, and soaked in an aqueous solution containing potassium hydroxide, zinc acetate, and a stannate-based additive, resulting in improved mechanical strength, ionic conductivity, and battery safety. The integrated system delivers high power density, specific capacity, and robust cycling stability, offering a significant advancement in the field of solid-state zinc-air batteries.
Resumen de: EP4704195A1
The invention relates to electrically conductive composite materials based on thermoplastic polymers containing carbon nanotubes, and to methods for manufacturing the same. The invention further relates to electrically conductive thin plates for use as bipolar plates in fuel cells, including, proton exchange membrane fuel cells. The present invention proposes a method for producing thin electrically conductive plates, and further proposes a thin bipolar plate with a thickness of less than 1 mm for a high-temperature fuel cell, said plate having gas transport channels on the surface thereof and containing a composite material comprised of a thermoplastic polymer and single-walled and/or double-walled carbon nanotubes, wherein the composite material contains connected regions having a carbon nanotube concentration of more than 1 wt.%, and domains having a size of less than 200 µm and a local concentration of carbon nanotubes of less than 1 wt.%.
Resumen de: US2025286064A1
A positive electrode active material, a secondary battery, a battery module, a battery pack, and an electric device. The positive electrode active material is used as a positive electrode active material for a secondary battery, and comprises a carbon material compounded iron-based polyanionic compound and an aluminum-containing oxide, and the iron-based polyanionic compound has the following general formula: Na4Fe3−xMxAly(PO4)2P2O7/C, wherein M comprises a transition metal element, 0≤x≤0.5, and y is greater than 0 and less than 0.2. The positive electrode active material has relatively low residual alkali amount, and the battery has excellent cycle performance and rate capability.
Resumen de: US20260058167A1
A method of improving catalyst accessibility of a carbon precursor includes exposing a graphene-based multi-layer precursor structure to a plurality of electrocatalyst clusters by applying voltage to accelerate the clusters towards the graphene-based multi-layer precursor structure to generate both mechanical defects in the graphene-based multi-layer precursor structure's surface and a near-uniform size population of deposited electrocatalyst at a near-uniform depth in the graphene-based multi-layer precursor structure.
Resumen de: WO2025012300A1
It relates to a material comprising a plurality of nanorods encapsulated within open-ended hollow carbon nanostructures, wherein the plurality of nanorods is composed of either a) a transition metal oxide of the formula AzM'2 yMn1 -xO2 (A), or alternatively, b) a transition metal oxide of the formula M''3m/nM2-mO3 (B), as defined herein, wherein the transition metal oxide of the formula (A) or formula (B) is in an amount from 20 to 60% by weight with respect to the total material weight; and the volume of the nanorods encapsulated within hollow carbon nanostructures is equal to or less than 50% with respect of the total cavity volume of the hollow carbon nanostructures, in particular, wherein the hollow carbon nanostructures are tubular and their internal average diameter is at least 2 times the average thickness of the nanorods. It also relates to a process for preparing this material, to a precursor material RtM'''3-tO4 (C) as defined herein from which the material is obtained, and to the use of the material as electrocatalyst in different applications.
Resumen de: WO2026040289A1
The present disclosure relates to the technical field of the removal of impurities from carbon nanotubes and in particular to a method for purifying a single-walled carbon nanotube, a high-purity single-walled carbon nanotube, and a use thereof. The present disclosure provides a high-purity single-walled carbon nanotube. In a test in which the high-purity single-walled carbon nanotube is digested at 200°C and a mass ratio of the high-purity single-walled carbon nanotube to the mixed acid of 1:100 for 30 min in a mixed acid which is prepared from perchloric acid, concentrated sulfuric acid and concentrated nitric acid in a volume ratio of 1:3:3, the measured mass content of metals in the high-purity single-walled carbon nanotube is less than or equal to 0.5%. The rapid oxidative weight loss temperature in a thermogravimetric differential curve obtained by testing the high-purity single-walled carbon nanotube in an air atmosphere at a heating rate of 10°C/min is 740-800°C. The high-purity single-walled carbon nanotube of the present disclosure has fewer metal impurities and carbon impurities, high conductivity, and good electrical conductivity, thereby facilitating improving the electrochemical performance of a battery prepared using the high-purity single-walled carbon nanotube.
Resumen de: US20260054991A1
A method of increasing porosity of graphene-based precursors including wetting the graphene-based precursors with water, rapidly freezing the graphene-based precursors after the wetting step to cause expansion of a water volume within the graphene-based precursors to cause defects within the graphene-based precursors, and thawing and removing the water from the graphene-based precursors.
Resumen de: CN121591199A
本发明公开了一种富本征缺陷碳材料及其制备方法与应用，属于催化剂技术领域，本发明采用的富勒烯或富勒烯衍生物碳笼具有π共轭结构，故分子间存在较强的π‑π相互作用力。本发明以富勒烯或富勒烯衍生物为原料，基于分子间作用力自组装，得到宏观的晶态材料，即富勒烯基凝聚态前驱体，将所述富勒烯基凝聚态前驱体先采用氧气等离子体进行预刻蚀处理，对富勒烯基凝聚态前驱体进行表面改性，再于ZnCl2熔融盐中进行低温预刻蚀处理和高温焙烧的两段式程序升温热处理，赋予富勒烯基凝聚态前驱体五元环拓扑缺陷、边界和曲率的碳本征缺陷，得到富本征缺陷碳材料，这些本征缺陷位点赋予该碳材料良好的电催化性能。
Resumen de: CN121591202A
本申请是关于一种原位生长于纳米纤维的碳纳米管及其制备方法和应用，其制备方法的步骤为：将基体材料、分散助剂和过渡金属催化剂与连续相混合均匀，制得静电纺丝液；以静电纺丝液的质量为100%计，基体材料的含量为8%~15%，分散助剂的含量为0.05%~1%，过渡金属催化剂的含量为1%~10%；将静电纺丝液装填进静电纺丝设备的注射器中，进行静电纺丝，获得纳米纤维催化前驱体；将纳米纤维催化前驱体在保护气体氛围下升温至380~450℃；接着通入还原气体，将过渡金属催化剂还原；之后升温至650~750℃，然后通入碳源气体，制得原位生长于纳米纤维的碳纳米管。本申请提供的原位生长制备碳纳米管的方法高效快速、基底适应性高、与基底结合力强。
Resumen de: US20260054990A1
A method of producing a graphene-based precursor includes providing graphene flakes based on one or more predetermined criteria, at least some of the graphene flakes having lattice defects, modifying the graphene flakes by decorating at least some of the graphene flakes with non-graphene carbon structures to form modified graphene flakes, and crumpling the modified graphene flakes to form graphitic carbon mesostructures.
Resumen de: CN120303212A
The present invention relates to a carbon nanotube dispersion containing carbon nanotubes, a first dispersant containing a nitrogen atom, a second dispersant containing a compound represented by Formula 1, and a solvent, and a method for preparing the same. The content of the compound represented by Formula 1 is as defined in the specification.
Resumen de: CN121573679A
本发明涉及负极材料技术领域，公开了一种石墨烯双包覆层纳米硅负极材料的制备方法，所述方法包括以下步骤：步骤1、将块状金属硅在研钵中破碎、研磨，得到硅粉；步骤2、将球磨后的产物真空干燥；步骤3、将步骤2得到的产物按照一定的重量比例与鳞片状石墨、酚醛树脂液混合均匀；步骤4、将步骤3中的球磨产物真空干燥，随后在惰性气氛中热处理，得到石墨烯/双包覆层纳米硅复合负极材料；本发明以制得的改性纳米硅粉作为助磨剂，酚醛树脂液作为石墨剥离助剂，采用机械球磨法可有效地将鳞片石墨剥离成少层或多层石墨烯，更重要的是，最终的产物中改性纳米硅全部附着在石墨烯表面，实现石墨烯与纳米硅的均匀复合，得到石墨烯/硅复合负极材料。
Resumen de: CN121574398A
本发明属于食品保鲜技术领域，具体涉及一种延长冷鲜肉类货架期的抗菌包装材料及其制备方法。本发明以天然抗菌植物鱼腥草为碳源，通过绿色环保的水热法制备抗菌碳点HCO‑CDs，原料天然可再生、制备工艺简单温和，兼具环保性与经济性。HCO‑CDs抗菌性能优异且生物安全，将其与聚乙烯醇、果胶复合成膜制备成活性包装材料，不仅具备优异的生物安全性，还能通过协同抗菌作用有效抑制冷鲜肉类腐败菌滋生，显著延长冷鲜肉类货架期，为冷鲜肉类的保鲜提供了绿色、高效的新型包装解决方案，具有重要的实际应用价值与市场前景。
Resumen de: CN121573725A
本发明公开了一种碳纳米点修饰的多孔微米金属氟化物复合正极材料的制备方法和在锂离子电池中的应用。以碳纳米点修饰的多孔微米氟化亚铁为例，该材料通过阶梯式原位合成策略制备:通过液相法结合低温煅烧构建三维多孔三氟化铁骨架，利用化学气相沉积技术在乙炔气氛中碳纳米点的沉积与锚定。该复合结构将多孔微米材料的高体积能量密度优势与碳纳米点构建的连续导电网络相结合，解决了传统金属氟化物材料固有的导电性差和离子传输缓慢的难题。本发明工艺简单可控，为高性能锂离子电池的正极材料开发提供了新思路且具备产业化应用潜力，同时在合成方法学上具备广泛的推广价值。
Resumen de: CN121574719A
本发明涉及生物医学材料技术领域，具体为一种TPP介导线粒体靶向的铈掺杂抗氧化碳量子点制备方法，以柠檬酸、尿素、铈盐为原料，混合后采用水热法反应合成铈掺杂碳量子点；再通过酰胺法将三苯基膦接枝到铈掺杂碳量子点表面，反应完成后经分离纯化，得到目标碳量子点，其中铈盐中的铈元素用于赋予碳量子点抗氧化功能。该方法制得的碳量子点靶向线粒体精准、抗氧化能力强，制备工艺简便环保可规模化，产物粒径均一、荧光稳定且生物相容性好，在生物医学领域应用前景广阔。
Resumen de: CN121574726A
本发明涉及生物医学材料技术领域，具体为一种掺杂铈和铜的碳量子点及其制备方法，该碳量子点以甘氨酸、铈盐、铜盐为原料，经三步制得：前驱体制备；高温碳化；纯化处理。本发明铈通过Ce3+/Ce4+循环抗氧化，铜以晶格掺杂态缓释Cu2+，具有抗菌功能，DPPH·清除率≥85%、杂质残留<1%、批次重复性RSD<5%；且工艺标准化、能耗及成本低。
Resumen de: CN121573668A
本发明涉及医药技术领域，具体涉及一种葛根素碳点及其合成方法和应用。葛根素碳点，以葛根素为碳源、间苯二胺为氮源合成得到。本发明还提供一种葛根素碳点的合成方法，步骤为：将葛根素分散于无机溶剂中，得溶液A；将间苯二胺溶于无机溶剂中，得溶液B；将溶液B加入到溶液A中，加热反应，降温，过滤，得滤液；用滤膜将滤液过滤，然后对滤液透析，冷冻干燥，得葛根素碳点。本发明还提供一种葛根素碳点在制备疾病诊疗一体化试剂中的应用。本发明解决了现有葛根素存在水溶性差，生物利用度低和自身荧光弱、难以用于生物成像的缺点，以及难以直接用于纳米诊疗系统的问题。
Resumen de: WO2026042597A1
Provided are a quantum dot dispersion liquid and a method for producing the same, the quantum dot dispersion liquid including: quantum dots including an In element and a group 15 element, the group 15 element including an Sb element; ligands; and a solvent, the ligands including an organic ligand having 6 or less carbon atoms and an inorganic ligand including a halogen element. Also provided are methods for producing a semiconductor film, a light detection element, and an image sensor in which the quantum dot dispersion liquid is used.
Resumen de: WO2026043950A1
A capacitive sensor, including a composite substrate formed of a plurality of insulating fibers coated with a plurality of carbon nanotubes (CNTs), a plurality of cross-bar junctions of the plurality of insulating fibers at or near a fracture site in the composite substrate, and a sensor core, wherein the composite substrate is wrapped around the sensor core to form a cylindrical capacitive sensor.
Resumen de: WO2026042065A1
The present invention relates to a system and method of producing multilayer graphene using asymmetric CVD. The multilayer graphene obtained is characterized by superior thermal and electrical conductance, particularly suitable for thermal management applications.
Resumen de: US20260056459A1
A pellicle membrane for a lithographic apparatus, the membrane including uncapped carbon nanotubes. A method of regenerating a pellicle membrane, the method including decomposing a precursor compound and depositing at least some of the products of decomposition onto the pellicle membrane. A method of reducing the etch rate of a pellicle membrane, the method including providing an electric field in the region of the pellicle membrane to redirect ions from the pellicle, or heating elements to desorb radicals from the pellicle, preferably wherein the pellicle membrane is a carbon nanotube pellicle membrane. An assembly for a lithographic apparatus, the assembly including a biased electrode near or including the pellicle membrane or heating means for the pellicle membrane.
Resumen de: US20260054989A1
A layered material nanosheet production method includes an exfoliation step of exfoliating layered material particles in layers by irradiating the layered material particles with a microwave while cooling the layered material particles.
Resumen de: US20260054988A1
A catalyst, catalyst precursor, and carbon nanotubes grown using the catalyst. The catalyst includes a support comprising alumina and a cobalt species on a surface of the support, wherein cobalt is the sole active catalyst species for carbon nanotube growth. The support surface is iron-free.
Resumen de: US20260054256A1
A catalyst, catalyst precursor, and carbon nanotubes grown using the catalyst. The catalyst includes a support comprising alumina and a cobalt species on a surface of the support, wherein cobalt is the sole active catalyst species for carbon nanotube growth. The support surface is iron-free.
Resumen de: US2025162874A1
Provided are a method for preparing a nanotube array, a nanotube array and a device. The method includes: preparing a double-layer two-dimensional material with a relative angle of lattice orientations, which is used as a template; determining the chiral parameters of nanotubes to be prepared corresponding to the relative angle of the lattice orientations of the double-layer two-dimensional material, determining a nanoribbon orientation and a nanoribbon width according to the determined chiral parameters, determining the inter-nanoribbon spacing according to the density of the nanotubes to be prepared and the nanoribbon width, and etching the double-layer two-dimensional material according to the determined nanoribbon orientation, nanoribbon width and inter-nanoribbon spacing to obtain a nanoribbon array of the double-layer two-dimensional material; and performing thermal excitation treatment on the obtained nanoribbon array of the double-layer two-dimensional material to obtain a nanotube array. The present disclosure can prepare a nanotube array with controllable density, orientation and chirality.
Resumen de: CN121556082A
本发明属于电催化材料技术领域，公开了一种CeO2/NiCo2O4异质结析氧反应电催化剂及其制备方法。该电催化剂通过在NiCo2O4纳米片阵列表面构建由氮掺杂碳量子点与CeO2组成的复合保护层，利用吡啶氮捕获溶出钴离子、CeO2氧空位促进其再整合，实现界面动态自修复。所述氮掺杂碳量子点嵌入CeO2层中并与NiCo2O4直接接触，协同抑制钴流失并维持结构完整性。本发明通过构建具有动态离子捕获与自修复能力的CeO2/氮掺杂碳量子点复合界面层，成功解决了NiCo2O4基析氧反应电催化剂在强氧化性工况下因钴离子溶出导致的结构失稳与性能衰减问题，在绿色氢能电解水技术领域具有重要的应用价值与产业化前景。
Resumen de: CN121565863A
本发明公开了一种硬碳负极材料及其制备方法和应用。该硬碳负极材料具有分级多孔结构，其中0.35～0.85nm微孔占总孔容的40～50%，2～25nm介孔占总孔容的30～50%；材料的平均闭孔直径为1.7～2.2nm，闭孔体积为0.091‑0.117cm3·g‑1；该硬碳负极材料具备短程伪石墨微晶结构，其平均横向尺寸为3.81～4.18nm，平均纵向尺寸为0.91～1.11nm。本发明采用高浓度酸刻蚀工艺，精准去除工业木质素一次碳化产物中的纳米级杂质相，再经二次碳化制备得到目标硬碳负极材料。该硬碳负极材料兼具高可逆储钠容量、优异的首次库仑效率与长循环稳定性，且制备工艺操作简便易行、生产成本低廉。
Resumen de: CN121553932A
本发明提供了一种限域铝化碳纳米管及其制备方法和应用、正极活性材料的制备方法，具体涉及锂离子电池技术领域。该限域铝化碳纳米管中，碳纳米管在多孔阳极氧化铝模板的纳米孔道内被空间限域，并在碳纳米管的外壁和管腔内表面通过模板转化原位生成含铝化合物薄膜；其中，含铝化合物包括偏铝酸锂和/或氧化铝；所述限域铝化碳纳米管具有长条状、圆柱形结构。本发明通过在多孔阳极氧化铝模板的纳米孔道内实现空间限域，完整保持一维结构；在限域环境中，碳纳米管的外壁及管腔内表面通过模板转化机制原位生成含铝化合物薄膜，不仅实现了铝源与碳纳米管的均匀复合，更通过空间限域效应从根本上抑制了碳纳米管在后续加工及应用过程中的团聚与结构变化。
Resumen de: CN121557734A
本发明公开了一种石墨化夹具、石墨烯膜的制备方法及所得产品，属于石墨烯材料制备技术领域。制备方法包括：将氧化石墨烯浆料经涂布、预处理碳化得到石墨烯碳化膜，随后在石墨化过程中采用专用石墨化夹具对膜材施加沿涂布方向的拉伸力，使其在张紧状态下完成石墨化。该方法通过夹具的力学引导与石墨烯膜制备的工艺协同，显著提高了石墨烯片层的取向度，从而制得具有优异面内导热性能的石墨烯膜。
Resumen de: CN121553927A
本发明公开了一种水溶性富勒烯基碳点及其制备方法与应用。所述富勒烯基碳点的粒径介于2‑10 nm之间，是在富勒烯纳米晶表面的碳笼分子上通过氮桥链接亲水性侧链而形成。其制备方法包括：（1）将富勒烯粉末与亲水性分散剂及亲水性叠氮有机化合物按比例依次投料于反应器，在惰性气体氛围下搅拌形成润湿分散体系；（2）将润湿分散体系升温反应；（3）反应混合物经有机溶剂洗涤后，复溶于水，过滤，透析，干燥得到纯净的水溶性富勒烯基碳点。本发明提供了所述的富勒烯基碳点作为纳米抗逆剂在种子处理中的应用，能促进作物幼苗根生长并提高抗环境逆境胁迫尤其是重金属胁迫的能力。
Resumen de: CN121549369A
本发明涉及纳米材料农业应用技术领域，且公开了一种含碳量子点的光合促进剂的制备方法及应用，通过采用尿素与柠檬酸为原料，并优化氮碳摩尔比及水热反应参数，实现氮元素的高效掺杂与粒径精准调控，成功合成出具有优异上转换性能的氮掺杂碳量子点光合促进剂，该促进剂具备良好水溶性与生物相容性，在0‑100mg/L浓度范围内能大幅度提升植物光合效率，且明确安全施用窗口，通过建立叶面喷施与水培双模式施用规范，利用碳量子点介导的紫外光－光合有效辐射转换功能，结合其在叶绿体内的靶向富集渗透特性，针对性解决当前农作物对太阳光谱利用不足、光能转化效率偏低的问题。
Resumen de: CN121553929A
本发明公开了一种单壁碳纳米管的制备方法，该方法包括如下步骤：S1、将复合碳源、纳米催化剂和粘结剂混合，依次进行挤压成型和烧结，形成复合棒材；S2、以所述复合棒材为阳极，纯石墨棒为阴极，进行等离子催化热解，得到单壁碳纳米管；其中，所述复合碳源包括高纯石墨、硬碳和软碳。本发明通过复合碳源的配方设计，通过等离子催化热解制备单壁碳纳米管，显著提高了单壁碳纳米管的选择性和产率。
Resumen de: CN121550858A
本发明涉及纳米流体材料与新型能源转换技术交叉领域，且公开了一种液晶诱导氧化石墨烯取向纳米通道膜及其制备方法、应用，所述液晶诱导氧化石墨烯取向纳米通道膜由GO纳米片与特定液晶分子组成，通过液晶分子的氢键与π‑π堆积作用诱导GO纳米片平行取向，形成有序通道；本发明的制备方法将真空抽滤与液晶自组装结合，工艺简便、成本低；同时，本发明的液晶诱导氧化石墨烯取向纳米通道膜在50倍NaCl浓度梯度下的渗透能输出功率密度达5.92 W·m‑2，在HCl体系中达59.7 W·m‑2，且长期稳定性优异，可用于盐差能采集及工业废酸能量回收，具有重要的实用价值。
Resumen de: CN121553930A
本发明提供了一种文丘里管法分温区低温制备碳纳米管的装置及方法，方法所采用的装置是由卧式管式炉及两端密封箱、碳源气体进气系统、排气系统组成；所述卧式管式炉包括文丘里炉管，文丘里炉管由其中部的喉管段将其前后分隔为高温段炉管与低温段炉管；生产过程中，催化剂位于低温段炉管内，碳源气体通过高温段炉管发生热裂解，生成活性碳物种，活性碳物种由载气携带至低温段炉管内，以在催化剂表面实现碳纳米管的生长；碳源气体进气系统、排气系统在生产过程中分别用于输入碳源气体、排出尾气。本发明的有益效果是：通过将碳源气体裂解与碳纳米管生长过程在空间上采用文丘里管法分离的分温区系统，以实现碳纳米在热敏性基底上低温、高质量生长。
Resumen de: CN121551113A
本发明涉及新型类三角碾磨体领域，具体涉及一种新型类三角碾磨体及其制备方法，用于解决石墨烯在金属基体中易团聚、界面结合弱，硬度与韧性协同性差，耐磨性能不足，表面涂层结合力低，易脱落的问题；通过将高铬铸铁进行熔炼，之后加入钼粉、镍粉、钒粉以及硅锰合金，搅拌并保温，之后添加复合改性粉体进行搅拌，浇铸、冷却，进行热处理，再对其进行清洗，喷砂粗化，再喷涂过渡层、顶层，得到新型类三角碾磨体；本发明新型类三角碾磨体具备优异的综合力学性能，耐磨性得到显著提升，使用寿命大幅延长，且涂层结合力强、稳定性好，整体性能优势突出。
Resumen de: CN121555989A
一种碳纳米管‑炭黑杂化结构的制备方法及其应用，碳纳米管‑炭黑杂化结构的制备方法包括如下步骤：（1）炭黑预处理：采用酸溶液对导电炭黑进行预处理；（2）催化剂负载：加入金属催化剂前驱体，使催化剂金属离子均匀吸附沉积在炭黑表面；（3）原位化学气相沉积生长：将负载催化剂的炭黑粉末置于 CVD 反应炉中，在保护气氛下升温，通入碳源气体与稀释气的混合气进行反应，得到碳纳米管‑炭黑杂化结构。以低成本的炭黑为原料，通过在炭黑表面原位催化生长碳纳米管的方式制备，兼顾二者优点：利用了炭黑颗粒作为“隔离支架”防止CNT过度缠绕，从而显著降低最终浆料的粘度；又利用了CNT的高导电性网络，同时继承了炭黑的低成本优势。
Resumen de: CN121553926A
本发明公开了一种用于辅酶再生的质子化碳点光催化剂的制备方法及其应用，通过水热法利用葡萄糖酸锰和L‑天冬氨酸合成碳点后，通过酸浸法得到了质子化的碳点。光催化辅酶再生涉及两电子和一质子的传递及利用，质子化处理会影响该催化剂的带隙结构及其光催化过程中的电子和质子传递问题，实现还原型烟酰胺腺嘌呤二核苷酸（NADH）辅酶的高效再生。该催化剂可与微生物耦合，支持微生物生长，并将CO2转化为高附加值产物。
Resumen de: CN121553931A
本发明涉及晶圆级半导体单壁碳纳米管阵列薄膜的制备方法，包括以下步骤：将首先碳纳米管粉体加入含有偶氮苯结构的共轭聚合物的第一有机溶剂中，经过超声、离心得到上清液，取所述上清液进行过滤重分散至第二有机溶剂，获得半导体型碳纳米管溶液；然后提供一基底并进行基底表面官能团均一化处理，将所述基底置于剪切压力机机台上，通过力反馈驱动泵注入所述半导体型碳纳米管溶液进行剪切沉积，在所述基底上沉积碳纳米管阵列薄膜；对上述得到的基底置于降解液中浸泡降解和清洗，获得半导体单壁碳纳米管阵列薄膜。本发明解决了现有溶液法制备碳纳米管阵列薄膜无法实现晶圆级大面积均匀制备的问题，同时缩短阵列碳纳米管薄膜制备时间。
Resumen de: CN121553993A
本发明属于电池技术领域，具体涉及一种铁基硫化物复合材料的制备方法和应用。本发明将MIL‑101（Fe）和硫脲在水热条件下反应后与氧化石墨烯反应，得到铁基硫化物复合材料，所述的铁基硫化物复合材料表现出优异的电化学性能，作为电池负极材料。本发明以MIL‑101（Fe）为前驱体，利用其高铁含量、稳定且规整的结构优势作为理想模版，与低毒性的硫脲低温水热合成形貌均一的双相金属硫化物，能耗低且过程温和、可控，最大限度地继承和保留MIL‑101前驱体的高孔隙率和规整形貌，同时实现异质结与孔隙的协同构建。
Resumen de: KR20260023292A
탄소나노튜브-무기분말 복합체 제조방법으로, 무기분말 입자 표면에 금속촉매를 고정시키는 단계; 및 상기 금속촉매가 고정된 무기분말 입자에 탄소를 포함하는 가스를 공급하여, 상기 무기분말 입자 표면에 탄소나노튜브를 성장시키는 단계를 포함하며, 여기에서 상기 무기분말 입자 표면에 탄소나노튜브를 성장시키는 단계는, 회전형 화학기상증착(Rotary CVD) 공정에서 진행되는 것을 특징으로 하는 탄소나노튜브-무기분말 복합체 제조방법이 제공된다.
Resumen de: KR20260022763A
본 발명은 탄소 나노섬유 및 상기 탄소 나노섬유 중에 분산된 산화철 나노입자를 포함하며, 상기 탄소 나노섬유와 상기 산화철 나노입자 사이 계면의 적어도 일부에 탄소 나노시트가 배치된 슈퍼캐퍼시터용 전극, 이를 포함하는 슈퍼캐퍼시터 및 그 제조 방법을 제공한다. 상기 전극은 탄소 나노섬유 내에서 철 이온의 확산을 조절하여 산화철 나노입자의 유도된 성장을 통해 입경이 제어된 단분산을 달성하여, 개선된 용량과 속도 성능을 제공한다.
Resumen de: US20260049246A1
A system for microwave-assisted catalytic conversion of plastics into carbonaceous materials and gases includes a materials sorter to sort and remove metals from a batch of plastics; a metal detector to detect metals in the batch of plastics; a mixer configured to receive the batch of plastics and a corresponding batch of micro or nano-scale metal oxides, and further configured to produce a mixture of the plastics and the metal oxides to achieve an essentially uniform distribution of the metal oxides in the plastics; and a rotary microwave oven in communication with a microwave generator and configured to receive microwaves to heat contents of the rotary microwave oven. The rotary microwave oven receives the mixture; and a processor executing a program of instructions controls operation of the rotary microwave oven to convert the plastics to produce one or more carbonaceous materials and one or more gases.
Resumen de: WO2026036190A1
The invention relates to a method for preparing a graphene dispersion comprising a step of contact between graphene and a dispersing agent in a container, wherein the container is subjected to translation and rotation movement.
Resumen de: US20260049242A1
A method of well injection with reduced drag includes injecting an emulsified acid system (EAS) into a subterranean geological formation including one or more hydrocarbons. The EAS includes an aqueous acid phase, a liquid organic phase, carbon nanodots, and an emulsifier. The carbon nanodots are present in an amount of 0.1 to 2 percent by volume (vol. %) based on a total volume of the EAS. The carbon nanodots are zero dimensional. The carbon nanodots include carbon in an amount of 75 to 85 percent by weight (wt. %) and oxygen in an amount of 15 to 25 wt. % based on a total weight of the carbon nanodots. The EAS has an aqueous mixture to liquid organic phase ratio of 60:40 to 80:20 by volume. The EAS is a water in oil emulsion.
Resumen de: US20260048987A1
The present invention relates to a carbon nanotube dispersion comprising carbon nanotubes, a dispersant and a dispersion medium, wherein the dispersant comprises a first dispersant and a second dispersant in a weight ratio of 100:10 to 100:90, the first dispersant is a dispersant comprising a cyclic amide group, the second dispersant is a polymer compound comprising both a sulfonyl group and styrene, and a weight ratio of the carbon nanotubes and the dispersant is 100:50 to 100:500, thereby having low viscosity and a small particle size of particles contained therein.
Resumen de: US20260049213A1
A thermoplastic resin composition of the present invention comprises: about 100 parts by weight of a thermoplastic resin comprising about 60 to about 90 weight percent of a polyaryletherketone resin and about 10 to about 40 weight percent of a polyarylethersulfone resin; and about 0.5 to about 10 parts by weight of carbon nanotubes, wherein an average size of domains (polyarylether sulfone resin) in a matrix (polyaryletherketone resin) measured at 10,000 and 50,000 times magnification using a scanning electron microscope (SEM) is about 0.5 μm or less. The thermoplastic resin composition is excellent in rigidity, impact resistance, balance of physical properties thereof, and the like.
Resumen de: KR20260022032A
탄소나노튜브 제조 방법에 있어서, 제1 챔버로 공급되는 탄소 소스 가스와 반응 가스를, 상호 마주보며 조절 가능한 이격 거리를 갖는 한 쌍의 플라즈마 발생 유닛들에 의해 형성된 플라즈마를 이용하여 활성화된 탄소화합물 및 반응이온을 형성하고, 상기 제1 챔버로부터 제2 챔버로 유입된 상기 활성화된 탄소화합물 및 상기 반응이온을 재결합 및 이온화 반응시켜, 상기 활성화된 탄소화합물 및 반응이온의 전하 밀도를 조절하면서 시드 물질을 형성하고, 상기 제2 챔버로부터 유입된 상기 시드 물질을 제3 챔버의 미세튜브에 통과시켜 탄소나노튜브를 형성한다. 이때, 상기 제1 내지 제3 챔버들은 순차적으로 배열되며, 상기 제1 및 제2 챔버들 및 상기 제2 및 제3 챔버들은 상호 격리된 상태에서 상호 온/오프되어 연결된다.
Resumen de: EP4696651A1
Provided is a method for purifying carbon nanotubes, which enables the high-yield production of high-purity purified carbon nanotubes by heating unpurified carbon nanotubes containing high-content metal oxides as impurities in a gaseous atmosphere while simultaneously supplying a halogen material and an oxygen removing material to the heated unpurified carbon nanotubes to induce a reaction.
Resumen de: WO2025058672A2
Novel coating compositions are disclosed for use in Energy Storage devices and Additive Manufacturing. The coatings are comprised of discrete carbon nanotubes wherein the coatings have a selected range of porosity, and optSionally the discrete carbon nanotubes have selected surface modifications to improve wetting or flow of material through the pores of the carbon nanotube coating. The coatings have less than about 20% mass of bundles or ropes of carbon nanotubes with a dimension larger than about 5 micrometers The coatings are of average thickness from about 5 nanometers to about 2000 nanometers and can be applied onto particles of diameter less than about 1000 micrometers, or films. Improved energy storage, or additive part performances include, but not limited to, higher electron conductivity for electrodes of energy storage devices, and higher electron conductivity for parts made by additive manufacturing. The coatings are particularly suitable for additive manufacturing of energy storage devices, and electrodes made using a dry electrode process.
Nº publicación: JP2026026660A 18/02/2026
Solicitante:
国立大学法人京都工芸繊維大学
Resumen de: JP2026026660A
【課題】環境の影響を受けにくく、温度を正確に測定することができる温度センサー用組成物およびその製造方法を提供する。【解決手段】カーボン量子ドットを含有する温度センサー用組成物であって、カーボン量子ドットの表面がポリマーで被覆されている温度センサー用組成物。温度センサー用組成物の製造方法は、カーボン量子ドットの存在下、重合性単量体の重合反応を行うことで、カーボン量子ドットの表面にポリマーを被覆させる工程を備える。温度センサー用組成物は、環境の影響を受けにくく、温度を正確に測定することができる。【選択図】図１
BOPI
Sede Electrónica
