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碳纳米管分散体及其制备方法

Resumen de: WO2024177414A1

The present invention relates to a carbon nanotube dispersion having low viscosity and comprising a small size of particles, the carbon nanotube dispersion comprising carbon nanotubes, a dispersant, and a dispersion medium, wherein the dispersant includes a first dispersant and a second dispersant in a weight ratio of 100:10-100:90, the first dispersant is a dispersant containing a cyclic amide group, the second dispersant is a polymer compound containing both a sulfone group and styrene, and the weight ratio of the carbon nanotubes to the dispersant is 100:50-100:500.

一种镧掺杂锡基负极材料及其制备方法和应用

Resumen de: CN119873879A

本发明实施例涉及一种镧掺杂锡基负极材料及其制备方法和应用，该制备方法包括：将酸处理后的碳源、含锡化合物、含镧化合物加入无水乙醇中，混合均匀，得到混合溶液；其中，碳元素、锡元素、镧元素的摩尔比为150：(1‑10)：(0.1‑5)；将混合溶液进行干燥处理，得到镧掺杂锡基负极材料前驱体；在惰性气氛下，将镧掺杂锡基负极材料前驱体置于管式炉中进行加热，得到镧掺杂锡基负极材料。

Conductive Material Dispersion, and Electrode and Lithium Secondary Battery Manufactured Using the Same

Resumen de: US2025132347A1

A conductive material dispersion includes a carbon-based conductive material, a main dispersant, an auxiliary dispersant, and a dispersion medium, wherein the main dispersant is a nitrile-based copolymer and the auxiliary dispersant is a copolymer including an oxyalkylene unit and at least one selected from the group consisting of a styrene unit and an alkylene unit.

CARBON NANOTUBE DISPERSION LIQUID, LAMINATE, METHOD OF PRODUCING CARBON NANOTUBE DISPERSION LIQUID, AND METHOD OF PRODUCING CARBON FILM

Resumen de: US2025128949A1

Provided is a carbon nanotube dispersion liquid that can cause an electrode for a secondary battery to display strong peel strength between an electrode mixed material layer and a current collector formed of a metal or the like, that can cause a releasable substrate-attached electrode mixed material layer to display weak peel strength between an electrode mixed material layer and a releasable substrate formed of a resin or the like, and that can cause a secondary battery to display excellent rate characteristics, or that enables the achievement of good film formation properties during carbon film formation. The carbon nanotube dispersion liquid contains carbon nanotubes and a solvent and has a fractal dimension 3 to 4 in a wavenumber range of 0.001 (1/angstrom) to 0.3 (1/angstrom) when a scattering curve obtained through measurement by ultra-small-angle X-ray scattering is analyzed by the Beaucage model.

高純度炭素量子ドット材料およびその調製方法

Resumen de: JP2025066640A

【課題】高純度炭素量子ドットの調製方法を提供する。【解決手段】この方法は、可溶性炭素含有有機物を超純水に溶解し、圧力反応器に満杯まで反応溶液を充填し、反応器を密閉するステップと、加熱プログラムを起動し、３８０℃まで急速に昇温し、反応器内の圧力を２３ＭＰａ以上に維持するステップと、冷却システムを起動し、反応器内の反応物を冷却するステップと、冷却した後、得られた炭素量子ドットの水溶液を収集し、定量するステップと、炭素量子ドットの水溶液を分離・精製するステップと、を含む。【選択図】図８

Method and system for preparing perovskite CsPbBr3 nanoparticles in nitrogen atmosphere

Resumen de: GB2634792A

A method and system for preparing perovskite caesium lead bromide, CsPbBr3, nanoparticles from a caesium oleate stock solution under a nitrogen atmosphere. The method may include the following steps: into a three-necked flask, first add octadecene (ODE), followed by sequentially adding cesium carbonate, Cs2CO3, powder and oleic acid (OA); connecting a nitrogen cylinder to one end of the three-necked flask and introducing nitrogen for 0.5-1 hour to expel the air therein. Under a nitrogen atmosphere, the solution in the flask is heated to 120°C and this temperature maintained for 1-2 hours. In an additional three-necked flask, lead bromide, PbBr2, powder may be dissolved in octadecene in a nitrogen atmosphere at 120°C and then injected with oleic acid and oleylamine solution. After heating the PbBr2 solution to 160 °C, the previously made hot caesium oleate stock solution may be injected and the resulting solution rapidly cooled to form perovskite CsPbBr nanoparticles. Purification may be performed using centrifugation.

有序介孔硅/磷镁/铟铋氧化物－石墨烯复合织构

Resumen de: CN119861116A

本发明公开了有序介孔硅/磷镁/铟铋氧化物－石墨烯复合织构,其特征在于:在长度小于1μm、高度小于160nm的纯硅片的底平面，采用离子注入不超过3.5%(wt%)磷和镁；在纯硅片的上表面，采用离子注入不超过3.5%(wt%)的铟和铋；在纯硅片上表面中间位置，形成极大长度小于160nm且深度大于3nm的近似圆通孔或圆凹坑，形成介孔硅单元；将介孔硅单元和具有平整表面的石墨烯进行清洁烘干；将介孔硅单元的底平面有序平放在石墨烯的平整表面上，通过“压力+硅烷接枝”复合工艺，将介孔硅单元与石墨烯形成一体且可导电；在介孔硅单元的外表面设许多个极大尺寸小于30 nm的铟铋锡钇氧化物、铟铋锡钇氧化物与介孔硅单元形成一体且可导电。

碳纳米管分散体及其制备方法

Resumen de: WO2024155100A1

The present invention relates to a carbon nanotube dispersion and a preparation method therefor, the dispersion having a co-dispersant, comprising polyethyleneglycol, polystyrene and cellulose-based components, that is applied thereto. The carbon nanotube dispersion of the present invention has excellent viscosity stability during room-temperature and high-temperature storage.

一种Na2Se@C复合补钠剂及其制备方法与应用

Resumen de: CN119864422A

本发明公开了一种Na2Se@C复合补钠剂及其制备方法与应用，包括Na2Se和包覆在Na2Se表面的碳，其中Na2Se的质量百分数为80wt％～98wt％，其粒径为1～10μm。制备方法包括以下步骤：对化学式为Na2SexOy的硒源与碳进行干燥、提纯预处理，其中x＝1,2,y＝0,2,3,4；将预处理后的硒源与碳按照1:0.1～0.5的质量比充分混合研磨、过筛后得到混合物；将混合物在惰性气体的气氛中退火处理，升温至500～900℃后保温，冷却后得到Na2Se@C复合补钠剂。本发明可以解决现有补钠剂在补钠过程中的产气与惰性物质残留问题，合成方法简单安全高效，可提高电池的能量密度。

触媒粒子を製造するための装置及び方法

Resumen de: CN119013095A

The present specification relates to an apparatus and method for producing catalyst particles and high aspect ratio molecular structure networks. The apparatus (1000) includes a flow reactor (1100) and a laminar flow injector (1200) configured to introduce a catalyst particle precursor (1201) into the flow reactor (1100). The laminar flow injector (1200) includes a temperature-controlled flow straightener (1210) disposed upstream of the flow reactor (1100).

一种植能烯碳纳米材料的制备方法及其在光伏领域的应用

Resumen de: CN119858911A

本发明提供一种植能烯碳纳米材料的制备方法及其在光伏领域的应用。所述制备方法以生物质粉末为原料，经过制炭和一次电解得到生物炭悬浮液后，再通过二次电解、超声波剥离和微波循环处理，得到所述生物质碳纳米材料；其中，以植物生物质为原料，制备得到的碳纳米材料即为植能烯碳纳米材料。本发明区别于常规的水热合成法，采用电解、超声、微波循环处理制备得到碳纳米材料，没有化学试剂加入，制备的植能烯碳纳米材料具有良好的荧光性能，将其与光伏基材结合，或直接作为光伏增效剂涂层，能够显著提高光伏板的光热效率。

一种碳基片状磁性纳米粒子聚集体合成方法

Resumen de: CN119858912A

本发明属于纳米材料的技术领域，具体公开了一种碳基片状磁性纳米粒子聚集体合成方法。该方法包括：利用化学气相沉积制备石墨烯并转移至目标基底；合成油酸铁前驱体，并制备不同形貌的磁性氧化铁纳米颗粒；使用柠檬酸钠对磁性氧化铁纳米颗粒进行表面修饰；将修饰后的磁性氧化铁纳米颗粒与石墨烯混合，调节混合时间和颗粒尺寸得到二维柔性磁聚集体。本方案解决了现有的合成方法存在的分散性不佳、磁性强度不稳定以及对环境因素敏感的技术难题。

用于内质网和脂滴的双靶向荧光碳点及其制备方法和应用

Resumen de: CN119859527A

本申请涉及一种用于内质网和脂滴的双靶向荧光碳点及其制备方法和应用，其中，该制备方法包括：将邻苯二胺和苯丙氨酸溶解至纯水中得到第一溶解液，将所述第一溶解液转移至聚‑四氟乙烯内衬的反应釜中进行第一加热反应得到沉淀物，对所述沉淀物依次进行柱层析纯化、旋蒸和烘干得到目标固体；将咖啡酸溶于二氯甲烷中并加入CDI进行搅拌得到第二溶解液；将所述目标固体加入所述第二溶解液中进行第二加热反应得到所述用于内质网和脂滴的双靶向荧光碳点。该制备方法得到的双靶向荧光碳点可以区分内质网和脂滴，解决了缺少能同时定位到内质网和脂滴并灵敏监测其微环境变化的寿命敏感型双靶向荧光碳点的问题。

リチウム充填ナノカプセルおよびその使用

Resumen de: ES2952552A1

Nanocapsules filled with lithium and their use. The present invention refers to carbon nanocapsules (CNCs) that encapsulate an isotope of lithium (6Li) and their use, preferably in neutron capture therapy and cancer treatment. CNCs are, in particular, aggregates of carbon nanohorns (CNH) or carbon nanotubes (CNT) with closed ends. (Machine-translation by Google Translate, not legally binding)

一种混合型软硬碳材料的制备方法及其钠离子电池应用

Resumen de: CN119858913A

本发明涉及钠离子电池负极材料制备领域，尤其涉及一种混合型软硬碳材料的制备方法及其钠离子电池应用。其方法是通过在四氢呋喃溶液中将聚膦腈和沥青混合，沥青溶解后填充在聚膦腈纳米管丰富的孔隙中，在随后的碳化过程中转化为闭孔，修复硬碳表面和内部缺陷。该方法具有操作简单、成本低、产量大、环保等优点，制备得到的混合型软硬碳材料材料具有更小的比表面积、更少的表面缺陷、更多的闭孔数量，同时具有优异的导电性，做为钠离子电池负极材料时，具有优异的电化学性能。

一种纳米三明治结构及其制备方法和应用

Resumen de: CN119842097A

本发明提供了一种纳米三明治结构及其制备方法和应用。本发明经淬火形成溶剂晶体；纳米片状材料和纳米核材料分散在所述溶剂晶体中；随着溶质在界面富集，在溶剂晶体表面形成的限域空间，通过调控反应物浓度、退火温度、组装时间实现纳米尺度上的精准组装，得到所述纳米三明治结构。本发明通过限域冷冻组装方式得到纳米三明治结构，在分离、催化、传感等领域有着广泛的应用潜力。

碳纳米管分散体及其制备方法

Resumen de: WO2024177410A1

The present invention relates to a carbon nanotube dispersion solution with low viscosity and a low aging change in viscosity, comprising carbon nanotubes, a dispersant and a dispersion medium, wherein the dispersant includes a first dispersant and a second dispersant in a weight ratio of 100:10 to 100:90, the first dispersant is an N atom-containing dispersant, the second dispersant is a compound containing a sulfonic group, an hydroxyl group and an aromatic ring in the molecular structure thereof, and the weight ratio of the carbon nanotubes and the dispersant is 100:50 to 100:500.

一种具有室温磷光性能的荧光碳点及其制备方法和应用

Resumen de: CN119842396A

本发明提供了一种具有室温磷光性能的荧光碳点及其制备方法和应用，属于碳点技术领域。本发明提供的制备方法包括以下步骤：(1)将聚乙烯亚胺、盐酸硫胺和水混合，得到混合溶液；(2)将所述步骤(1)得到的混合溶液进行水热反应，得到具有室温磷光性能的荧光碳点。本发明采用聚乙烯亚胺和盐酸硫胺为原料，制备得到的碳点兼具荧光和磷光特性，同时荧光强度高、磷光余辉时间长。

一种具有可调空腔的高首效三维SnS2石墨烯锂离子电池负极材料的制备方法

Resumen de: CN119852367A

本发明为一种具有可调空腔的高首效三维SnS2石墨烯锂离子电池负极材料的制备方法。该发明以PS球体作为模板，通过静电结合作用得到与PS球体混合均匀的金属盐与氧化石墨烯的混合分散液，经过一步煅烧，最终得到具有内部锚定SnS2空腔的三维石墨烯结构。本发明无需除杂过程，由复合材料组装的锂离子电池在0.2A g‑1时首次放电容量高达1633mA h g‑1，循环100次后的可逆比容量达到1215mA h g‑1，首次库伦效率高达88％，在低电流密度下呈现出优异的循环稳定性和较高的可逆比容量。

一种锂硫电池正极材料的制备方法及应用

Resumen de: CN119841351A

本发明公开了一种锂硫电池正极材料的制备方法及应用，属于锂硫电池正极材料技术领域。将四硫代钼酸铵加入到N,N‑二甲基甲酰胺中形成均匀的混合溶液，在密闭容器内进行反应，反应结束后抽滤、清洗、干燥，得到二硫化钼粉末；将铋盐与钼盐依次溶解在无机强酸的稀溶液中，向其中加入胺类形貌调控剂进行反应，再依次加入所得的二硫化钼粉末、氧化石墨烯，得到混合溶液，在密闭容器内进行反应，反应结束后冷冻干燥，得到锂硫电池正极材料。本申请通过胺类形貌调控剂的加入可以改变材料的形貌，得到更多活性位点，包覆也解决了体积膨胀问题，能提升锂硫电池的电化学性能。

一种利用青鱼石荧光碳量子点检测食品添加剂的方法

Resumen de: CN119845917A

本发明涉及食品检测技术领域，具体涉及一种利用青鱼石荧光碳量子点检测食品添加剂的方法，本发明基于青鱼石荧光碳量子点的荧光淬灭现象构建的食品添加剂检测方法，对苋菜红和日落黄具有良好的选择性和抗干扰性，在最佳实验条件下，碳量子点的荧光强度与日落黄、苋菜红浓度具有良好的线性关系，检测限低，分别为1.513μM（苋菜红）和2.044μM（日落黄），精密度高相对标准偏差小，且实际样品检测的平均回收率高，分别为100.36%（苋菜红）和98.40%（日落黄），能够满足食品中添加剂检测的要求，为食品添加剂的检测提供了一种新的可靠方法，在食品安全领域具有广阔的应用前景。

一种复合磷酸铁钠正极材料及其制备方法

Resumen de: CN119841294A

本发明属于钠离子电池技术领域，具体为一种复合磷酸铁钠正极材料及其制备方法。本发明制备方法包括将易溶于水的钠源、铁源、磷源和第一碳源按照比例搅拌溶解至超纯水中，经喷雾干燥得到喷雾料；将喷雾料在惰性气氛下进行低温煅烧，得到第一前驱体；将第一前驱体和第二碳源进行搅拌混合，然后经过高能球磨破碎后得到第二前驱体；将第二前驱体在惰性气氛下进行高温烧结，得到复合磷酸铁钠正极材料。本发明提制备方法简单有效，效果显著，节省了商业化生产过程中的砂磨过程，避免砂磨过程中元素的偏析问题，且本发明制备的复合磷酸铁钠正极材料粒径小、结晶性高、电化学性能优异。

GRAPHENE-LIKE ULTRATHIN NITROGEN-DOPED CARBON NANOSHEET, AND PREPARATION METHOD THEREFOR, AND USE THEREOF

Resumen de: WO2025077127A1

Disclosed in the present invention are a graphene-like ultrathin nitrogen-doped carbon nanosheet, and a preparation method therefor, and the use thereof. The graphene-like ultrathin nitrogen-doped carbon nanosheet is prepared by means of high-temperature pyrolysis by using waste as a carbon source and urea as a nitrogen source, the waste comprising any one of glucose, fructose, cellulose, lignin, 5-hydroxymethylfurfural and straws. In addition, in the present invention, the prepared graphene-like ultrathin nitrogen-doped carbon nanosheet is applied to an electrocatalytic reaction to catalyze conversion of 5-hydroxymethylfurfural into 2,5-furandicarboxylic acid, achieving a good electrocatalytic conversion effect. Compared with the prior art, the preparation of the graphene-like ultrathin nitrogen-doped carbon nanosheet in the present invention involves a simple and convenient process, requires preparation raw materials that are widely available and inexpensive, and achieves environmental friendliness and allows for large-scale production, and in addition, the graphene-like ultrathin nitrogen-doped carbon nanosheet prepared in the present invention has small thickness, good electrocatalytic conversion effect and high economic benefits, thus having wide application prospects and great market potential.

CARBON NANOTUBE DISPERSED COMPOSITION, CARBON NANOTUBE RESIN COMPOSITION, MIXTURE SLURRY, ELECTRODE FILM, AND NONAQUEOUS ELECTROLYTE SECONDARY BATTERY

Resumen de: EP4538228A1

To provide a carbon nanotube dispersion composition able to improve battery performance. Provided is a carbon nanotube dispersion composition including carbon nanotubes, a dispersant, and a solvent and satisfying (1) and (2) as follows:(1) an average outer diameter of the carbon nanotubes calculated from an SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is 15 nm or more and 50 nm or less; and(2) when a target pixel group in the SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is set as the carbon nanotubes, and a value obtained by dividing a distance between two points that are farthest apart, that is, an absolute maximum length, by a length of a free curve, that is, a skeleton length, is set as linearity, a proportion of carbon nanotubes with a linearity of 0.9 or more among carbon nanotubes with a skeleton length of 1 µm or more is 40% or more and 90% or less.

カーボンナノチューブおよびそれを含む分散液

Nº publicación: JP2025511485A 16/04/2025

Solicitante:

エルジー・ケム・リミテッド

Resumen de: TW202434521A

The present invention relates to carbon nanotubes that satisfy a specific equation. The carbon nanotubes of the present invention have both excellent dispersibility and electrical conductivity when applied as a dispersion, and thus, are particularly suitable for use as a conductive material in secondary batteries.