Alerta

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。

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。

一种基于溶剂刺激响应变色的荧光碳点和荧光水凝胶及其制备方法和应用

Resumen de: CN121022396A

本发明提供了一种基于溶剂刺激响应变色的荧光碳点和荧光水凝胶及其制备方法和应用，属于荧光材料与信息加密技术领域。本发明的荧光碳点的制备方法包含如下步骤：将生物质碳源和溶剂混合后进行溶剂热反应，得到荧光碳点；生物质碳源包含小叶黄杨、樱花叶、连翘叶和槲树叶中的一种或几种；溶剂为乙醇。本发明的生物质碳点毒性较小，具有优异的光学稳定性、抗光漂白性能和高离子强度；具有红光和蓝光/绿光双发射峰，区别于单一荧光碳点，可以为荧光凝胶基信息方位加密体系提供更多的荧光信息存储密度。本发明的荧光水凝胶的荧光颜色可在乙醇/水溶剂中稳定切换，凝胶结构稳定，提升信息存储量，并推动荧光水凝胶基信息防伪加密系统向多维度发展。

以生物质碳源制备碳-无定型磷酸铁纳米核壳结构的方法

Resumen de: CN121020530A

本发明涉及新能源电池材料技术领域，尤其涉及一种以生物质碳源制备碳‑无定型磷酸铁纳米核壳结构的方法，本发明利用生物质碳源，通过水热碳化得到碳纳米颗粒，然后通过模板法在碳纳米颗粒表面均匀地包覆一层磷酸铁，最后通过退火得到碳‑无定型磷酸铁纳米核壳结构正极材料；碳纳米颗粒的加入提高了电极材料的导电性，有效地解决了电极材料在充放电过程中的结构稳定性，改善了现有技术中FePO4作为正极的低电导率所导致的钠离子电池循环性能差的技术问题。

柔性二硫键改性超支化聚合物基碳化聚合物点的制备方法及应用

Resumen de: CN121022398A

本发明公开了一种柔性二硫键改性超支化聚合物基碳化聚合物点的制备方法及应用，属于纳米荧光材料技术领域，旨在解决传统铁离子检测方法操作繁琐、设备昂贵以及现有碳化聚合物点因主链柔韧性调控困难导致荧光量子产率低、灵敏度不足的问题。该方法通过控制1,6‑己二胺与双丙烯酰胱胺的摩尔比调控超支化聚酰胺‑胺前体的二硫键数量，再与三(2‑氨乙基)胺进行氮杂迈克尔加成反应形成柔性主链结构，随后经酸处理、柠檬酸水热碳化及离子交换纯化步骤，制得兼具高荧光量子产率与主链柔性的碳化聚合物点。所得材料可用于肉副产品（肝脏、血液等）中三价铁离子的高灵敏定量检测及微生物抑菌领域。

荧光增白剂衍生碳点及用于微生物多色成像的试剂盒

Resumen de: CN121020561A

本发明公开了一种荧光增白剂衍生碳点，其特征在于，由以下原料通过水热反应制得：1～2质量份荧光增白剂VBL或4,4'‑二氨基二苯乙烯‑2,2'‑二磺酸、5～8质量份有机胺、60～100质量份无水乙醇、0～40质量份水，所述有机胺为邻苯二胺、间苯二胺和对苯二胺中的一种。本发明还公开一种用于微生物多色成像的试剂盒，以及所述荧光增白剂衍生碳点在制备伤口敷料中的应用。

一种多功能碳点及其制备方法与应用

Resumen de: CN121020562A

本发明涉及一种多功能碳点，该多功能碳点兼具缓蚀和润滑作用，由柠檬酸和氨基酸制得，其结构如下所示：。同时，本发明还公开了该多功能碳点的制备方法与应用。本发明利用简便高效的直接热解法制备多功能碳点，所得多功能碳点作为水基添加剂具有优异的缓蚀和润滑性能，同时解决了水基切削液中的腐蚀和摩擦磨损问题，也解决了传统添加剂功能单一的问题。

CARBON NANOTUBE DISPERSED SOLUTION AND METHOD FOR PREPARING THE SAME

Resumen de: KR20250166762A

탄소 나노튜브, 수소화된 니트릴 부타디엔 고무(hydrated nitrile butadiene rubber)를 포함하는 제1 분산제, 산성 작용기를 포함하는 고분자의 알킬올 암모늄염 화합물을 포함하는 제2 분산제 및 용매를 포함하고, 상기 수소화된 니트릴 부타디엔 고무의 중량평균분자량은 10,000 내지 20,000 g/mol인 탄소 나노튜브 분산액 및 이의 제조방법에 관한 것이다.

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.

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.

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.

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.

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.

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。

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。

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.

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

Nº publicación: PL448589A1 24/11/2025

Solicitante:

INST PODSTAWOWYCH PROBLEMOW TECHNIKI POLSKIEJ AKADEMII NAUK [PL]
INSTYTUT PODSTAWOWYCH PROBLEM\u00D3W TECHNIKI POLSKIEJ AKADEMII NAUK

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).