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A CARBON NANOTUBE (CNT)/METAL NANOCOMPOSITE POWDER PRODUCTION METHOD FOR USE IN ADDITIVE MANUFACTURING AND THERMAL SPRAYING PROCESSES

Resumen de: WO2025144322A1

The invention relates to the production method of a carbon nanotube (CNT)/metal nanocomposite powder for use in additive manufacturing and thermal spraying processes. In the method of the invention, composite powders are produced that enable the combined use of CNTs and metal powders with very different densities and enable the production of nanocomposite structures by depositing CNTs on metal powders.

A METHOD FOR OBTAINING MAGNETISABLE COMPOSITE CARBON NANOTUBES COMPRISING DEMIROXIDE NANOPARTICLES

Resumen de: WO2025144321A1

The invention relates to the production method of carbon nanotube (CNT)/iron oxide (Fe3O4) composite carbon nanotube obtained by combining carbon nanotubes with iron oxide (Fe3O4) nanoparticles prepared using green tea leaves. In addition, in the given processes, the bark, leaf or fruit of other plants can be used instead of green tea leaves. By means of the use of green chemistry method during the production of Fe3O4 nanoparticles, composite carbon nanotubes are produced in an environmentally friendly and economical way. In addition, by means of the combination of Fe3O4 nanoparticles with CNT, the composite carbon nanotube is given the ability to be magnetised.

NEGATIVE ELECTRODE MATERIAL AND PREPARATION METHOD THEREFOR, AND SECONDARY BATTERY

Resumen de: WO2025139203A1

The present application relates to the technical field of batteries, and in particular to a negative electrode material and a preparation method therefor, and a secondary battery. The negative electrode material comprises a silicon-based active material and a matrix material; the negative electrode material contains a hydrogen element, a halogen element, a nitrogen element and a sulfur element, wherein the mass content of the hydrogen element is mH, and the mass content of the halogen element is mX, the mass content of the sulfur element is mS, the mass content of the nitrogen element is mN, and the following relations are satisfied: 0.02≤mX/mH≤5.00, 0.02≤mN/mH≤20.00, and 0.05≤mS/mH≤5.00. The mass content ratios of the hydrogen element to the nitrogen element, the sulfur element and the halogen element are each adjusted to an appropriate range, so that the volume expansion of the negative electrode material can be effectively inhibited, and the capacity, the first coulombic efficiency, the powder electrical conductivity, the cycle performance and the rate performance of the negative electrode material are all improved.

Carbon Nanotube and Manufacturing Method Thereof

Resumen de: US2025214842A1

A method for manufacturing carbon nanotubes according to embodiments of the present disclosure includes injecting a carbon source, a metal catalyst, a cocatalyst and a transport gas into a reactor, and heating the reactor to manufacture carbon nanotubes. A ratio of a molar flow rate of the carbon source to a molar flow rate of the metal catalyst is 350 to 1,300.

BACKSIDE CONTACT PLACEHOLDER FORMATION WITH IMPROVED PROCESS CONTROL

Resumen de: EP4580335A1

Devices, transistor structures, systems, and techniques are described herein related to backside contacts for nanoribbon field effect transistors formed using a backside placeholder contact. The device comprises source/drain regions (1101 and 1102), nanoribbon channels (203), a gate (206), as well as back-and front-side metallizations (1301, M0-M4, BM0-BM2). The backside placeholder contact is templated from a recessed dielectric material such as a recessed carbon hardmask. The recessed dielectric material is formed and replaced with a placeholder metal in frontside processing, and the placeholder metal is revealed and replaced from the transistor backside to form the backside contact. The interface between the backside contact (1501) and the source/drain region (1101) has a concave shape, curved inwardly in the source/drain region with a flat peripheral part, as shown in the inset.

A method of producing carbon materials from feedstock gases

Resumen de: GB2636810A

A method of producing carbon materials from one or more carbon containing feedstock gases is described. The method comprises melting one or more electrolytes 124 inside a reactor chamber 120, followed by adding from 0.03 wt% to 0.5 wt% catalyst of the total electrolyte mass. The catalyst is added at a dosage rate from 16.7 ppm hour-1 to 277.8 ppm hour-1. One or more feedstock gases are provided into the molten electrolyte 124 in the reactor chamber 120 with a flow rate comprising at least 4.2 standard cm3 min-1 A-1 mass equivalent of CO2 A direct current density is then applied, in the range from 100 A m-2 up to 20 000 A m-2, to one or more anodes 140 and one or more cathodes 131. The carbon materials so produced may be carbon nanotubes (CNT), nano spirals, nanospheres, nanofibers (CNF), nanoflakes multi-walled nanotubes (MWCNT) or oxidised multiwall nanotubes (OMWCNT).

CARBON NANOTUBE DISPERSION COMPOSITION, MIXTURE SLURRY, ELECTRODE FILM, AND SECONDARY BATTERY

Resumen de: EP4578828A1

A carbon nanotube dispersion composition includes carbon nanotubes (A), a dispersant (B), and a solvent (C). A particle diameter D50 at a cumulative volume of 50% according to laser diffraction particle size distribution measurement is 0.3 to 7 µm, and (1) and (2) below are satisfied.(1) The dispersant (B) is a polymer that has a weight average molecular weight of 5,000 or more and 360,000 or less and includes a carboxyl group-containing structural unit derived from at least one of (meth)acrylic acid and (meth)acrylate having a carboxyl group, and a content ratio of the carboxyl group-containing structural unit is 80 mass% or more based on a mass of the polymer.(2) When the particle diameter D50 at a cumulative volume of 50% according to laser diffraction particle size distribution measurement of the carbon nanotube dispersion composition is X µm, and a pH is Y, X and Y satisfy (Formula a) and (Formula b) below: Y≥−0.149X+4.545Y≤−0.134X+5.140.

一种本征缺陷石墨烯及其制备方法

Resumen de: CN120229712A

本发明涉及纳米碳材料的制备技术领域，具体涉及一种本征缺陷石墨烯及其制备方法，将高纯石墨粉与过氧化苯甲酰混合，研磨，得到灰色粉末；将所述灰色粉末在空气气氛条件下恒温煅烧，自然冷却至室温，得到黑色膨胀粉末；将所述黑色膨胀粉末在氨气气氛条件下恒温煅烧，自然冷却至室温，得到氮掺杂石墨；将所述氮掺杂石墨压制成棒，作为电弧炉的阳极，以高纯石墨棒作为电弧炉的阴极，在氢气和保护气体气氛条件下，进行电弧放电，待阳极棒消耗完毕，收集炉腔内产生的烟炱，得到本征缺陷石墨烯，本发明无需以石墨烯或杂原子掺杂石墨烯为前提，可直接使用高纯石墨烯作为前体，解决现有的本征缺陷石墨烯制备方法中存在的成本高和效率低的问题。

一种纳米碳插层的五氧化二铌负极材料及其制备方法和应用

Resumen de: CN120237164A

本发明涉及一种纳米碳插层的五氧化二铌负极材料及其制备方法和应用。所述纳米碳插层的五氧化二铌负极材料的制备方法包括：(1)将层状H4Nb6O17粉末分散在去离子水中，再加入碱性有机插层剂，先在50～70℃温度下搅拌3～7天，得到有机单体插层的H4Nb6O17；(2)将所得有机单体插层的H4Nb6O17分散于含有聚合引发剂的溶液中，先在20～30℃温度下搅拌3～7天，再经洗涤离心、干燥和热处理，得到所述纳米碳插层的五氧化二铌负极材料。

一种SiC表面规则碳纳米管及其制备方法

Resumen de: CN120229708A

本发明公开了一种SiC表面规则碳纳米管及其制备方法，涉及低维材料规则制备的技术领域。对SiC单晶进行预处理，得到SiC基材；对SiC基材进行热处理，得到SiC热解石墨烯；将SiC热解石墨烯在金属镍气氛下进行活化，得到活化GF/SiC；利用分子束外延生长技术，加热蒸发源内的金属铟源材料，在活化GF/SiC表面生长一层金属铟纳米薄膜，得到InGF/SiC片材；将InGF/SiC片材放置于微型真空容器中进行高温退火处理，制得SiC表面规则碳纳米管。本发明制备的规则取向碳纳米管具有优异的电学、热学和力学性能，在电子器件、传感器、复合材料等领域具有广泛的应用前景。

单壁碳纳米管及其处理方法、导电浆料及其应用

Resumen de: CN120229709A

本申请实施例涉及一种单壁碳纳米管及其处理方法、导电浆料及其应用。单壁碳纳米管的处理方法包括：对初始单壁碳纳米管进行至少一次加热和冷却处理；加热和冷却处理包括：对初始单壁碳纳米管进行预设时间的加热处理；预设时间为0.1s‑5s；通入惰性气体对经过加热处理后的初始单壁碳纳米管进行冷却处理，使得初始单壁碳纳米管在1min‑10min内被冷却。如此，在使得单壁碳纳米管的管束直径减小的同时还能够提升单壁碳纳米管的导电性能。

一种近红外碳化聚合物点聚集体的制备方法及应用

Resumen de: CN120229706A

本发明公开了一种近红外碳化聚合物点聚集体的制备方法及应用，涉及复合材料制备技术领域。包括以下内容：碳化聚合物点(CPDs)在氢键受体溶剂中进行组装得到CPDs聚集体；所述CPDs由柠檬酸和苯甲酰脲制备得到。在制备光热电转换设备中应用的具体实施方法包括以下内容：所述CPDs聚集体与聚合物共混进行杂化反应得到光热转换模块；将所述光热转换模块负载于半导体器件，构造为光热电转换设备。本发明的CPDs聚集体的制备方法简单、高效，提升了聚集体的构筑可控性，CPDs聚集体具有高效的光热转换效果，在光热电连续能量转移器件或光热电发电机方面有很好的应用前景。

一种表面原位生成纳米Ti3SiC2的复合CNTs的制备方法

Resumen de: CN120229723A

本发明涉及材料工程技术领域，尤其涉及一种表面原位生成纳米Ti3SiC2的复合CNTs的制备方法，包括以下步骤：将表面活性剂OP‑10分散在去离子水溶液中，得到OP‑10去离子水溶液，备用；取一定量制得的OP‑10去离子水溶液，按一定配比，将CNTs、纳米Si粉和纳米Ti粉加入OP‑10去离子水溶液中，充分分散均匀后真空干燥，制得混合粉末，备用；对制得的混合粉末进行热处理，基于原位反应在在CNTs表面合成具有不同结构的纳米Ti3SiC2，即的复合材料；对制得的复合材料进行真空球磨，即的复合材料粉末。本发明提出的复合材料可以增强CNTs与金属基体的界面结合，提升金属基体机械性能。

内窥镜取石网篮用镍钛形状记忆合金及其制备方法

Resumen de: CN120230941A

本发明公开了内窥镜取石网篮用镍钛形状记忆合金及其制备方法，属于合金制备技术领域。所述内窥镜取石网篮用镍钛形状记忆合金的制备方法，包括以下步骤：步骤一：将高纯度镍和钛进行熔炼，冷却，去除表层物质，均匀化退火，热轧，水淬，得到镍钛合金基体；步骤二：将改性碳纳米管加入至无水乙醇中，得到悬浮液，将镍钛合金基体进行冷轧处理，每次冷轧处理前，均匀喷涂悬浮液，重复处理，拉拔，低温退火，冷却，得到复合镍钛合金基体；步骤三：将复合镍钛合金基体进行喷砂处理，超声清洗，然后喷涂改性聚合物溶液，固化，抛光，得到内窥镜取石网篮用镍钛形状记忆合金。通过该方法制备得到的合金材料具有优异的力学性能、耐腐蚀性能和防震性能。

高性能リチウム電池用集電体、導電性スラリー、及びその製造方法

Resumen de: WO2024229972A1

A high-performance lithium battery current collector and a preparation method therefor, and a conductive paste and a preparation method therefor, which belong to the technical field of lithium battery production. A functional coating of the current collector is of a functional layered covering structure, which is formed by means of applying a conductive paste on a surface of metal foil and drying same, and has a thickness of not greater than 800 nm. The functional coating comprises a plurality of strip-shaped modified conductive agents, which are parallel to each other in the functional coating after being cured and molded, and the axes of which are obliquely arranged to form an included angle of 15-45 degrees with respect to the surface of the metal foil in the thickness direction of the coating, wherein the modified conductive agents are interwoven with modified nano-fibers, binders and conductive agents in the coating, so as to form an oriented three-dimensional network connection structure with reinforced fixation, electrical conductivity and thermal conductivity and capable of uniform deformation and automatic reset. The functional coating can automatically adapt to and hedge the volume, and can maintain the relative stability of a connection network and the electrical connection strength during expansion and reduction processes of a charging and discharging active substance, thereby improving the comprehensive performance of a lithium battery.

カーボンナノチューブ分散液、その製造方法、これを含む電極スラリー組成物及び二次電池

Resumen de: US2025197224A1

The present invention provides a carbon nanotube dispersion including carbon nanotubes; a first dispersant including a nonionic polymer having a weight average molecular weight of 4,000 g/mol to 30,000 g/mol; and a second dispersant including an anionic polymer having a sulfonic acid (salt) group, wherein a weight ratio of the first dispersant to the second dispersant is 5:1 to 1:5; a method of preparing the carbon nanotube dispersion; and an electrode slurry composition and secondary battery including the carbon nanotube dispersion.

カーボンナノチューブ分散液、その製造方法、これを含む電極スラリー組成物及び二次電池

Resumen de: US2025201856A1

The embodiments of the present disclosure provide a carbon nanotube dispersion, a method of preparing the same, an electrode slurry composition and secondary battery including the carbon nanotube dispersion, wherein the carbon nanotube dispersion includes carbon nanotubes, the first dispersant surrounding the surface of the carbon nanotubes, the second dispersant for introducing charges to the surface of the carbon nanotubes, and a storage stabilizer having electrostatic repulsion against the charges.

一种掺杂石墨烯粉体的导电银浆及其制备方法

Resumen de: CN120236805A

本发明公开了一种掺杂石墨烯粉体的导电银浆及其制备方法，涉及导电银浆技术领域。本发明先利用等离子体对石墨烯进行氮掺杂，在石墨烯晶格中引入氮原子，形成氮掺杂石墨烯，然后通过等离子体表面修饰技术，在石墨烯表面引入含氧官能团，进一步提到导电性。将苯胺单体与氨基苯甲酸单体按混合，并在氮掺杂石墨烯表面进行原位聚合，生成聚苯胺‑氨基苯甲酸共聚物，将原位聚合得到的石墨烯‑聚苯胺材料与碳纳米管复合，构建三维导电网络。其次，将上述制备的三维填料添加到导电银浆中，氨基苯甲酸中的羧基在，与银颗粒之间的范德华力吸附结合，形成稳定的界面结构，降低界面电阻，增强导电网络的连通性。本发明制备的导电银浆具有高导电性的效果。

一种一维硅碳复合物制备多孔负极硅碳材料的方法

Resumen de: CN120237189A

本发明公开了一种一维硅碳复合物制备多孔负极硅碳材料的方法，涉及电极材料技术领域，首先通过化学气相沉积法在CNT表面沉积纳米硅，形成S i/CNT复合物；然后将该复合物与表面活性剂混合于水中，加入含树脂的乙醇混合溶液，超声搅拌后干燥得到S i/CNT/C前驱体；接着在氩气氛围下烧结前驱体，得到S i/CNT/C材料；将该材料与生物质材料混合、真空干燥后，再次在氩气氛围下烧结并经气流磨，最终得到多孔负极硅碳材料；该一维硅碳复合物制备多孔负极硅碳材料的方法，通过在碳纳米管CNT表面沉积纳米硅，有效缓解体积膨胀；通过双层碳包覆和多孔结构，促进电解液渗透和电解液与硅碳的接触面积，且提高负极材料的倍率性能。

一种具有高乳化水平及优异浸润性的醛酮合成碳点及其制备方法

Resumen de: CN120229707A

一种具有高乳化水平及优异浸润性的醛酮合成碳点及其制备方法，属于二维界面材料技术领域。本发明将乙醛和丙酮作为碳源，通过控制反应时间、醛酮种类、醛酮比例的方法来制备高乳化水平以及具有优异浸润性的碳点材料，并将调控制备得到的碳点材料应用于甲苯有机溶剂的乳化，获得高乳化水平的乳液体系。本发明采用溶剂热法，相较于水热法，无需反应釜加热，且降低能源消耗。本发明制备的碳点在乳化体系中具有极高的适应性，其独特的表面化学特性使其能够在油水界面形成高稳定性的乳化层，有效增强乳化效果。本发明得到的醛酮碳点材料大小均一，分散度高，能够满足不同油相条件下的乳化需求，且成本极为低廉，制作工艺简单。

Long and narrow diameter carbon nanotubes and catalysts for producing same

Resumen de: US2025100885A1

A bundle of carbon nanotubes (CNT), comprising a plurality of CNT with lengths of at least about 7 microns, wherein the bundle has a diameter of less than about 12 nm.

一种磁感应电场制备碳量子点及百香果果汁铜离子检测的方法

Resumen de: CN120230545A

本发明涉及食品加工检测技术领域，公开了一种磁感应电场制备碳量子点及百香果果汁铜离子检测的方法，将新鲜玉米破壁后，采取磁感应电场两步酶解酸水热法合成天然液相荧光碳量子点(CQDs)。在紫外光照射下，该荧光碳量子点发出蓝色荧光。经过傅里叶红外光谱、X‑Ray粉末衍射光谱等对CQDs的结构和组成进行检测分析；荧光碳量子点含有C‑O、O‑H等亲水性基团。本发明合成的荧光碳量子点在380nm激发波长下，于450nm处出现最强荧光发射，其荧光量子产率达到93.48％。在检测Cu2+对CQDs的猝灭效果时，在20μg/g～180μg/g范围内，CQDs对铜离子的检测限为18.8μg/mL。本发明提高百香果果汁的Cu2+的浓度检测的灵敏性、速度快，保证百香果果汁的重金属检测的可靠快速性。

一种二维异质结包覆层状氧化物的正极材料及其制备方法与应用

Resumen de: CN120237198A

本发明公开了一种二维异质结包覆层状氧化物的正极材料及其制备方法与应用，属于锂离子电池正极材料改性技术领域。所述二维异质结包覆层状氧化物的正极材料的制备方法，包括如下步骤：将层状氧化物顺次交替进行多孔钛铁氧纳米片包覆和多孔还原氧化石墨烯包覆，烧结，得到所述二维异质结包覆层状氧化物的正极材料；所述多孔钛铁氧纳米片为具有多孔结构的二维Ti0.6Fe0.4O2纳米片；所述层状氧化物包括三元锂、钴酸锂或富锂锰基氧化物。本发明采用特定的多孔钛铁氧纳米片和多孔还原氧化石墨烯结合对层状氧化物进行包覆，实现了二维异质结在层状氧化物正极表面的均匀包覆，避免了因局部包覆不均匀导致的性能差异。

一种内填充无机盐的碳纳米管材料及制备方法和抽滤装置

Resumen de: CN120208211A

本发明公开了一种内填充无机盐的碳纳米管材料及制备方法和抽滤装置，包括以下步骤：S1，将碳纳米管进行预处理获得尖端打开的碳纳米管；S2，将尖端打开的碳纳米管加入到含有金属盐离子的溶液中，搅拌均匀后获得悬浮液；S3，利用内填充抽滤装置对悬浮液进行一次抽滤，在一次抽滤过程中抽滤压力从常压逐渐调至10‑7mbar，根据液滴滴落振动频次曲线确定二次抽滤压力；S4，对悬浮液进行二次抽滤，采用步骤S3确定的二次抽滤压力，获得前驱体；S5，将前驱体在保护气氛下进行煅烧，获得内填充无机盐的碳纳米管材料，其外表面洁净程度和产品的均一性得到明显提升，在应用于锂离子电池负极时具有较高的倍率性能和循环稳定性。

一种多孔炭材料及其制备方法和锂离子电池

Nº publicación: CN120208192A 27/06/2025

Solicitante:

湖南钠能时代科技发展有限公司

Resumen de: CN120208192A

本发明属于电池材料领域，公开了一种多孔炭材料具有类荷叶状结构。其制备方法：将生物质粉末与水混合后进行微波辅助水热反应，得到碳纳米点悬浮液；将碳纳米点悬浮液置于旋转冷冻设备中进行旋转冷冻，得到类荷叶状结构的多孔炭前驱体；将多孔炭前驱体在管式炉中煅烧，随后酸洗，得到具有类荷叶状结构的多孔炭材料。本发明的多孔炭材料具有类荷叶状结构，这种独特的结构通过微纳多孔网络和化学键连接，具备荷叶部分特征，如良好的应力分散能力；这种独特的结构为硅颗粒在充电过程中的体积膨胀提供了缓冲空间，能够有效分散应力，减少因体积膨胀导致的机械破坏，提高材料的循环稳定性。