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一种碳量子点及其制备方法

Resumen de: CN121022393A

本发明公开了一种碳量子点及其制备方法，包括如下步骤：将笛膜置于管式炉中，于250‑500℃碳化3‑10h后研磨，然后与溶剂混合并超声分散得到前驱体溶液；将前驱体溶液置于反应釜中，于160‑200℃进行水热反应3‑10h；通过微滤膜过滤后，旋蒸浓缩，得到所述碳量子点。本发明以天然芦苇膜笛膜为单一碳源，仅通过调整碳化温度既可以获取不同荧光颜色的碳量子点，通过调整碳化温度，碳量子点在紫外光的激发下可以发射出紫光、蓝光、绿光、黄绿光或黄光，随着碳化温度升高，所得碳量子点的荧光峰蓝移；采用单一碳源，基于碳化及水热制备工艺的调整可以实现碳点荧光发射的拓展，有望实现碳量子点在各个领域的进一步应用。

나노 스케일 구형 열분해 탄소가 담지된 그래핀 분말의 성장 방법 및 성장 장치

Resumen de: WO2025223235A1

The present application relates to the technical field of carbon materials, and in particular, to a growth method for graphene powder loaded with nanoscale spherical pyrolytic carbon. The method comprises: providing a reaction furnace, the reaction furnace being provided with a reaction container capable of accommodating molten metal, the reaction container being provided with a gas inlet pipe inlet and a discharging port located above the molten metal, the gas inlet pipe inlet being used for passing of a carbon source gas inlet pipe that can extend into the molten metal, the discharging port being used for being in communication with a powder collecting apparatus, and an empty cavity being present between the molten metal and the discharging port and being heated to a preset reaction temperature; introducing a mixed gas comprising a carbon source gas and an auxiliary gas into the molten metal from the carbon source gas inlet pipe so as to form bubbles in the molten metal; and in the rising process of the bubbles, heating and catalytically cracking the carbon source gas to partially grow into graphene, part of the carbon source gas rising to be separated from the molten metal along with the bubbles, and at least part of the carbon source gas growing into nanoscale spherical pyrolytic carbon loaded on the surface of the graphene in the empty cavity. According to the present application, the dispersity of the graphene product can be significantly improved.

一种碳纳米管增强型负极材料及其制备方法

Resumen de: CN121035193A

本发明涉及负极材料领域，具体涉及一种碳纳米管增强型负极材料及其制备方法。一种碳纳米管增强型负极材料包括以下重量份物质：一种碳纳米管增强型负极材料，包括由内向外依次包覆的人造石墨内核、碳纳米管包覆层和沥青包覆层，所述碳纳米管包覆层还包括磁性改性颗粒，所述沥青包覆层包括以下重量份物质：生物炭颗粒25‑35份；沥青颗粒65‑70份；分散剂0.1‑0.5份。本申请通过碳纳米管包覆层可构建连续导电网络，提升电子传输效率，同时沥青包覆层通过生物炭颗粒与沥青的复合。三层结构的协同作用能够修复人造石墨表面缺陷，减少电解液副反应，抑制充放电过程中的体积膨胀，从而综合提升负极材料的循环稳定性和导电性。

一种高性能吸波材料Ni6W6C@C的制备方法和应用

Resumen de: CN121020585A

本发明公开了一种高性能吸波材料Ni6W6C@C及其制备方法，具体步骤为：(1)以去离子水为溶剂，分别配制钨酸钠溶液和硝酸镍溶液，然后将其混合，搅拌均匀得到混合液A；(2)逐滴加入乙醇和乙二醇，搅拌得到淡绿色和白色相间的前驱体溶液；(3)将前驱体溶液转移至聚四氟乙烯材质内衬的反应釜，然后将反应釜放入烘箱中，进行水热实验；(4)反应结束后，取出产物，进行离心和洗涤以去除杂质。将洗涤后的产物烘干，将干燥后的水热产物与C6H12O6混合研磨0.5小时，将混合物在氩气环境下的管式炉中煅烧，得到复合材料。本发明利用葡萄糖和MOF衍生物的复合结构改善了材料的阻抗匹配，制备出了绿色环保、合成方法简易的吸波材料，在电磁波吸收领域具有良好前景。

一种用于锂电负极的多孔碳材料及其制备方法

Resumen de: CN121020547A

本发明公开了一种用于锂电负极的多孔碳材料及其制备方法，涉及锂离子电池技术领域，是由含有末端碳碳双键、聚硅氧烷、噻吩和碳纳米管的改性剂与吡咯聚合得到的改性聚吡咯包覆在秸秆多孔碳表面，再经高温煅烧得到的。本发明的用于锂电负极的多孔碳材料具有优异的首圈库伦效率、可逆比容量和倍率性能，倍率性能和首圈库伦效率的平衡性好，值得推广使用。

ELECTROCATALYST FOR ELECTROCHEMICAL AMMONIA OXIDATION AND A PROCESS OF PREPARATION THEREOF

Resumen de: WO2025243321A1

The present invention relates to an electrocatalyst comprising monometallic or bimetallic nanoparticles decorated onto a composite containing aluminium oxyhydroxide supported nitrogen doped reduced graphene oxide (AlOOH/NGr or ANGr), and its process of preparation thereof. The present invention also relates to a half or full direct ammonia fuel cell (DAFC) comprising said electrocatalyst. The electrocatalyst of the present invention provides improves the electronic conductivity of the overall system and contributes towards the better AOR activity.

FIBROUS SILICON-CARBON COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: US2025361603A1

The present invention discloses a fibrous silicon-carbon composite material and a preparation method therefor. The fibrous silicon-carbon composite material includes a core-shell structure, where a core of the core-shell structure includes a porous carbon fiber and nano-silicon, and a shell of the core-shell structure includes an inorganic lithium salt and amorphous carbon. The present invention has a characteristic of high electronic conductivity, and a lithium-ion battery to which the present invention is applied exhibits an excellent rate capability and excellent cycle performance.

Method of Making Nanomaterials from a Renewable Carbon Source

Resumen de: US2025361147A1

This patent disclosure includes a process that uniquely and unexpectedly results in the production of extremely high specific surface area and large pore volume carbon nanomaterial with high content of sp2 hybridized carbon-carbon in the form of nanosheets from a renewable carbonaceous raw material. The resulting nanomaterial is in particulate form or porous nanomaterial or dispersed in solvent. This process can also be used to produce carbon nanosheet on substrates or form a nanocomposite with other materials that results in exceptional properties.

TIO2-CQDS NANOFLOWER PHOTOCATALYST, PHOTOCATALYTIC THIN FILM AND APPLICATION

Resumen de: US2025360493A1

The disclosure provides a TiO2-CQDs nanoflower photocatalyst, a photocatalytic thin film and an application, belonging to a technical field of photocatalyst for food processing. The TiO2-CQDs nanoflower photocatalyst includes TiO2 and CQDs doped with TiO2. the CQDs is derived from aloe extract. According to the disclosure, the extract obtained from natural aloe is used as a carbon source to provide CQDs, and TiO2 is modified to obtain the nanoflower photocatalyst and the photocatalytic thin film for catalytic degradation of polycyclic aromatic hydrocarbons (PAHs).

LIGHT ABSORBER AND PREPARATION METHOD THEREOF

Resumen de: US2025362435A1

A light absorber, comprises a plurality of carbon nanotubes, an epoxy resin and a plurality of carbon particles. The plurality of carbon nanotubes are connected with each other to form a carbon nanotube network structure. The epoxy resin is coated on surfaces of the plurality of carbon nanotubes. The plurality of carbon particles connected with each other by the carbon nanotube network structure coated with the epoxy resin. A method for making the light absorber is further provided.

HIGH-PERFORMANCE LITHIUM BATTERY CURRENT COLLECTOR AND PREPARATION METHOD THEREFOR, AND CONDUCTIVE PASTE AND PREPARATION METHOD THEREFOR

Resumen de: US2025364567A1

A high-performance lithium battery current collector and a conductive slurry, and preparation methods therefor. A functional coating of the current collector is a functional layered covering structure with a thickness of no more than 800 nm formed by coating a conductive slurry on a surface of a metal foil and drying. The functional coating includes a plurality of strip-shaped modified conductive agents, and after being cured and molded, the modified conductive agents are parallel to one another in the functional coating, axes of the modified conductive agents are arranged obliquely relative to a surface of the metal foil at an included angle of 15° to 45° within a thickness of the functional coating, and the modified conductive agents are interwoven with a modified nanofiber, a binder and the conductive agent in the coating.

NANOCOMPOSITE MULTIMODAL SENSOR ARRAY INTEGRATED WITH AUXETIC STRUCTURE FOR AN INTELLIGENT BIOMETRICS SYSTEM

Resumen de: WO2025245029A1

A nanocomposite proximity-pressure sensor (NPPS), configured to measure one or more human biometrics, the NPPS including a carbon nanotube-paper (CPC) electrode, a multiwalled carbon nanotubes (MWCNTs) foam, and an auxetic MWCNTs-embedded frame, wherein the auxetic MWCNTs-embedded frame is positioned around the MWCNTs foam, wherein when the auxetic frame is compressed, it expands and exerts a pressure onto the MWCNTs foam.

SYNTHESIS OF GRAPHENE-DOPED CARBON NANOTUBE REINFORCED MAGNESIUM OXIDE NANOCOMPOSITES AND ITS PREPARATION METHOD

Resumen de: WO2025244602A1

This invention relates to the manufacture and fabrication process of graphene-enhanced carbon nanotube (Gr-CNT) reinforced magnesium oxide (MgO) nanocomposite material and its preparation method. Consequently, this material has led to the introduction of a novel nanocomposite with enhanced characteristics.

INTERACTIVE GRAPHENE POLYMER

Resumen de: TW202440760A

Disclosed herein are graphene compositions and methods of use and making thereof. The graphene compositions may comprise graphene and a polymer. The graphene compositions may be used in fiber sizing.

基于低能量离子注入调控石墨烯纳米带结构的方法

Resumen de: CN121005395A

本申请公开了一种基于低能量离子注入调控石墨烯纳米带结构的方法，包括：在基底表面制备本征石墨烯纳米带；将基底转移至腔室内，在真空环境下，向本征石墨烯纳米带表面注入Ar离子，得到边缘和/或内部具有缺陷的石墨烯纳米带。本申请能够实现掺杂位点和种类的多样化，可将掺杂原子精确地注入到目标位置，不受前驱体分子的限制，实现对杂质深度和浓度的精准调控；离子注入作为一种低温工艺，可以减少因高温处理带来的热效应和晶体缺陷，有助于提高材料的质量和稳定性；可以适应不同的衬底材料，从而扩大了GNR的应用范围；具有较高的均匀性和重复性，能够确保每批次的产品具有相同的掺杂分布，有助于大规模生成的质量控制。

磷酸盐正极活性材料及其制备方法、正极极片、电池单体和用电装置

Resumen de: CN121005384A

本申请公开了一种磷酸盐正极活性材料及其制备方法、正极极片、电池单体和用电装置；该方法包括：提供包括锂源、金属源、磷源、表面活性剂的混合溶液，所述金属源为铁源和/或锰源；将混合溶液进行水热反应，制得反应颗粒；将反应颗粒与碳源混合并进行湿法研磨，制得浆料；将浆料进行热处理，制得磷酸盐正极活性材料，其中，热处理的温度为650℃至1300℃。本实施例的方法改善了碳包覆的磷酸盐正极活性材料的导电性和克容量，提高了电池单体的充放电容量以及循环容量保持率；此外，生产过程的连续性也得到大幅提高。本申请还旨在提供能够实现包含该正极活性材料的有益效果的正极极片、电池单体和用电装置。

氨基化木质素荧光碳量子点及其制备方法与应用

Resumen de: CN121005393A

本发明涉及荧光纳米材料制备领域，具体涉及氨基化木质素荧光碳量子点及其制备方法与应用，该制备方法包括：S1、向木质素、三乙烯四胺、NaOH的混合溶液中滴加甲醛，进行第一反应，抽滤去除水分，真空干燥，得到氨基化木质素；S2、将S1得到的氨基化木质素与水混合至完全溶解，进行第二反应，得到氨基化木质素碳量子点溶液；S3、将S2得到的氨基化木质素碳量子点溶液离心分离，取上清液依次进行滤膜过滤和透析，得到纯净的氨基化木质素碳量子点水溶液，冷冻干燥，得到氨基化木质素荧光碳量子点，该方法制得的碳量子点表面功能团丰富，尺寸均匀、荧光强度高和量子产率优异。

Method for producing superparamagnetic nanoparticles from liquids, in particular those originating from incomplete combustion during the production of carbon nanostructures, obtained by the vapor phase deposition method

Resumen de: PL448589A1

Przedmiotem zgłoszenia jest sposób wytwarzania superparamagnetycznych nanocząstek z ciekłych odpadów przemysłowych zawierających amoniak oraz związki węgla, pochodzących z niepełnego spalania podczas wytwarzania nanostruktur węglowych, uzyskiwanych metodą osadzania z fazy gazowej, który obejmuje: rozpuszczenie soli żelaza (III) i soli żelaza(II); współstrącanie tlenku żelaza(II) roztworem wodnym amoniaku; co najmniej jednokrotne płukanie otrzymanego tlenku żelaza(II) wodą destylowaną do uzyskania odczynu obojętnego oraz odzyskiwanie tlenku żelaza(II).

탄소나노튜브 필름 성능을 크게 향상시키는 후처리 방법 및 응용

Resumen de: WO2024198803A1

The present application discloses a post-treatment method for greatly improving the performance of a carbon nanotube film, and an application thereof. The post-treatment method comprises: infiltrating an original carbon nanotube film in chlorosulfonic acid for standing, then placing the carbon nanotube film in air such that chlorosulfonic acid molecules inside the carbon nanotube film can react with water molecules in the air, and then generating sulfuric acid molecules inside the carbon nanotube film so as to promote the water molecules to enter the carbon nanotube film; then placing the carbon nanotube film in the chlorosulfonic acid again so as to chemically react with the water molecules to generate a hydrogen chloride gas, resulting in expansion of the carbon nanotube film; and infiltrating the carbon nanotube film in a chlorosulfonic acid solution again after drafting treatment, and finally carrying out high-temperature vacuum annealing heat treatment. The carbon nanotube film prepared in the present application has a tensile strength at the magnitude of GPa and an electrical conductivity at the level of 106S/m, and has a higher surface flatness, such that the compounding of the carbon nanotube film with other materials is facilitated, and a composite interface having a stronger binding force is constructed, thereby greatly improving the final mechanical and electrical properties of a composite material.

一种利用磷酸铁锂废料制备磷酸锰铁锂正极材料的方法

Resumen de: CN120987288A

本发明涉及一种利用磷酸铁锂废料制备磷酸锰铁锂正极材料的方法，包括以下步骤：(1)按照LixMnyFezPO4中各元素的计量比称取磷酸铁锂废料、锰源、锂源和磷源，并与第一碳源在溶剂中混合均匀，得到第一浆料，经一次砂磨、一次喷雾干燥及一次烧结处理后得到第一烧结料；(2)将所述第一烧结料和第二碳源在溶剂中混合均匀，得到第二浆料，经二次砂磨、二次喷雾干燥及二次烧结处理后得到所述磷酸锰铁锂正极材料。采用上述制备方法并调控第一碳源、第二碳源的加入量可制备得到晶粒大小均匀的磷酸锰铁锂正极材料，且比表面积低、表面碳包覆层致密均匀，可有效提高材料压实以及降低材料Mn溶出，由其构筑的锂离子电池具有高比容量及更优的倍率性能。

硼氮共掺杂碳量子点的制备方法和应用

Resumen de: CN120988697A

本发明提供了一种硼氮共掺杂碳量子点及其制备和应用，包括一种硼氮共掺杂碳量子点在检测水体中Co(Ⅱ)的含量的应用，一种硼氮共掺杂碳量子点在检测水果中AA的含量的应用。本发明设计了一种基于硼氮共掺杂碳量子点（B,N‑CDs）的“off/on”型荧光检测Co(Ⅱ)和AA的新方法。Co(Ⅱ)与B,N‑CDs表面上氨基作用形成非荧光复合物，引起B,N‑CDs的荧光线性猝灭；而抗坏血酸（AA）的加入，由于抗坏血酸与Co(Ⅱ)存在竞争性配位作用，导致B,N‑CDs的荧光线性恢复。检测快速灵敏并且选择性强。

一种三氧化二铁复合纳米材料制备方法及其装置

Resumen de: CN120987370A

本发明提供一种石墨烯和三氧化二铁复合纳米材料及其衍生物的制备方法，包括石墨烯和三氧化二铁复合纳米材料(GF)的制备、经过氧化氢预氧化的石墨烯和三氧化二铁复合纳米材料(HGF)的制备以及氮掺杂石墨烯和三氧化二铁复合材料(N‑GF)的制备。本发明提供的本发明提供一种三氧化二铁复合纳米材料制备方法，通过一步水浴合成、预氧化、掺氮等工艺，将三氧化二铁纳米颗粒均匀锚固在石墨烯纳米片上，形成丰富的孔隙结构，可提供更多活性位点和较大的钠存储空间，同时缩短电子传输路径。

一种悬空图案化二维材料的制备方法

Resumen de: CN120993676A

本发明提供了一种悬空图案化二维材料的制备方法。通过先转移后图案化的策略，显著提高了定位精度，减少了材料褶皱、残余应力和破损的风险，同时简化了工艺流程，避免了繁琐的刻蚀步骤，降低了材料污染和失败率，提升了整体成功率和样品洁净度。该方法实现了复杂悬空结构上二维材料的定点转移，极大提升了样品制备的质量和成功率，并通过一次光刻胶涂覆完成转移和图案化，缩减了工艺流程，避免了多次旋涂对样品洁净度的影响。本发明具有广泛的适用性，可推广至多孔金属膜、碳膜、沟槽、孔板等多种悬空结构，适用于热学、电学、光学等多种测试，并且对过渡金属硫化物、氮化硼等二维材料以及从单层到多层的悬空二维材料制备均具有良好适用性。

一种轴向限域硫化钴的制备方法及其在锂离子电池负极的应用

Resumen de: CN120987374A

本发明公开了一种多壁碳纳米管限域硫化钴复合负极材料及其制备方法。通过溶剂热法在乙二醇‑水混合体系(V/V＝3:1，120℃)中制备硫化钴前驱体，经梯度离心纯化后，在氩气保护下600℃碳化4小时，使硫化钴纳米晶均匀嵌入碳纳米管轴向通道内，形成限域异质结构。该材料在5A/g电流密度下展现450mAh/g的可逆比容量，2000次循环后库伦效率稳定在98.6％以上。性能优势源于：1)碳纳米管限域效应缓冲体积变化；2)二维导电网络提升电荷传输；3)稳定界面抑制副反应。该材料适用于新能源汽车动力电池和大规模储能系统，为高性能锂电负极开发提供了新思路。

一种碳包覆硫酸钡/多孔碳复合材料及其制备方法和应用

Nº publicación: CN120999005A 21/11/2025

Solicitante:

杭州华宇新能源研究院有限公司

Resumen de: CN120999005A

本发明公开了一种碳包覆硫酸钡/多孔碳复合材料及其制备方法和应用，属于铅酸蓄电池技术领域。具体制备方法包括：S1、将BaSO4纳米颗粒与多巴胺盐酸盐反应，得到BaSO4@PDA；S2、将GNP和c‑CNT分散于乙醇/水混合液中，得到分散液；将BaSO4@PDA加入到分散液中反应，再缓慢滴加蔗糖溶液，反应后处理得到复合前驱体粉末；S3、将复合前驱体粉末在N2气氛下恒温碳化；碳化结束后切换气体为CO2恒温活化；随后切换回N2，冷却至室温；得到碳包覆硫酸钡/多孔碳复合材料。本复合材料通过梯度氮掺杂碳壳、GNP‑c‑CNT三维网络和CO2活化介孔协同设计，提升铅蓄电池负极的电化学性能。