Alerta

基于石墨同时制备石墨烯和二维金刚石的方法

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。

一种基于玫瑰石斛的碳量子点的制备方法及应用

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。

碳纳米管的纯化方法

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。

一种梯度复合包覆型磷酸铁锂材料的制备方法

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。

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

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。

一种二氧化碳制备碳纳米管的方法及系统

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。

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

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。

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

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。

TUNABLE AND SWITCHABLE MID-INFRARED PERFECT ABSORBERS AND METHODS OF USE THEREOF

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.

PURIFICATION METHOD OF NANOPARTICLE, NANOPARTICLE COMPOSITION, AND MANUFACTURING METHOD OF NANOPARTICLE COMPOSITION

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.

A 2D CARBON QUANTUM DOT PRODUCTION MACHINE WITH A CONTINUOUS AUTOMATIC SYSTEM

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

POSITIVE ELECTRODE ACTIVE MATERIAL, AND PREPARATION METHOD THEREFOR AND USE THEREOF

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.

GRAPHENE-METAL COMPOSITE

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.

CARBON NANOTUBE-TO-METAL ASSEMBLIES

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.

CARBON NANOTUBE DISPERSION AND PREPARATION METHOD THEREFOR

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.

一种基于基因编辑的蔬菜种子种苗培育方法

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。

纯化碳纳米管的方法

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.

一种氮掺杂碳纳米管类材料及其制备方法

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。

一种Ti3C2TxMXene-GQD纳米复合材料及其制备方法和应用

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。

一种超长碳纳米管的连续制备方法

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。

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

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。

一种硅碳复合材料及其制备方法与应用

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。

单壁碳纳米管膜及其制造方法和设备

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.

正极材料及其制备方法、电池单体、电池装置、用电装置

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。

一种rGO纳米片及其制备方法和应用

Nº publicación: CN121626978A 10/03/2026

Solicitante:

中南大学

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。