Resumen de: US20260054989A1
A layered material nanosheet production method includes an exfoliation step of exfoliating layered material particles in layers by irradiating the layered material particles with a microwave while cooling the layered material particles.
Resumen de: WO2026043950A1
A capacitive sensor, including a composite substrate formed of a plurality of insulating fibers coated with a plurality of carbon nanotubes (CNTs), a plurality of cross-bar junctions of the plurality of insulating fibers at or near a fracture site in the composite substrate, and a sensor core, wherein the composite substrate is wrapped around the sensor core to form a cylindrical capacitive sensor.
Resumen de: US20260054256A1
A catalyst, catalyst precursor, and carbon nanotubes grown using the catalyst. The catalyst includes a support comprising alumina and a cobalt species on a surface of the support, wherein cobalt is the sole active catalyst species for carbon nanotube growth. The support surface is iron-free.
Resumen de: US20260056459A1
A pellicle membrane for a lithographic apparatus, the membrane including uncapped carbon nanotubes. A method of regenerating a pellicle membrane, the method including decomposing a precursor compound and depositing at least some of the products of decomposition onto the pellicle membrane. A method of reducing the etch rate of a pellicle membrane, the method including providing an electric field in the region of the pellicle membrane to redirect ions from the pellicle, or heating elements to desorb radicals from the pellicle, preferably wherein the pellicle membrane is a carbon nanotube pellicle membrane. An assembly for a lithographic apparatus, the assembly including a biased electrode near or including the pellicle membrane or heating means for the pellicle membrane.
Resumen de: US20260054988A1
A catalyst, catalyst precursor, and carbon nanotubes grown using the catalyst. The catalyst includes a support comprising alumina and a cobalt species on a surface of the support, wherein cobalt is the sole active catalyst species for carbon nanotube growth. The support surface is iron-free.
Resumen de: WO2026042597A1
Provided are a quantum dot dispersion liquid and a method for producing the same, the quantum dot dispersion liquid including: quantum dots including an In element and a group 15 element, the group 15 element including an Sb element; ligands; and a solvent, the ligands including an organic ligand having 6 or less carbon atoms and an inorganic ligand including a halogen element. Also provided are methods for producing a semiconductor film, a light detection element, and an image sensor in which the quantum dot dispersion liquid is used.
Resumen de: US2025162874A1
Provided are a method for preparing a nanotube array, a nanotube array and a device. The method includes: preparing a double-layer two-dimensional material with a relative angle of lattice orientations, which is used as a template; determining the chiral parameters of nanotubes to be prepared corresponding to the relative angle of the lattice orientations of the double-layer two-dimensional material, determining a nanoribbon orientation and a nanoribbon width according to the determined chiral parameters, determining the inter-nanoribbon spacing according to the density of the nanotubes to be prepared and the nanoribbon width, and etching the double-layer two-dimensional material according to the determined nanoribbon orientation, nanoribbon width and inter-nanoribbon spacing to obtain a nanoribbon array of the double-layer two-dimensional material; and performing thermal excitation treatment on the obtained nanoribbon array of the double-layer two-dimensional material to obtain a nanotube array. The present disclosure can prepare a nanotube array with controllable density, orientation and chirality.
Resumen de: CN121553931A
本发明涉及晶圆级半导体单壁碳纳米管阵列薄膜的制备方法,包括以下步骤:将首先碳纳米管粉体加入含有偶氮苯结构的共轭聚合物的第一有机溶剂中,经过超声、离心得到上清液,取所述上清液进行过滤重分散至第二有机溶剂,获得半导体型碳纳米管溶液;然后提供一基底并进行基底表面官能团均一化处理,将所述基底置于剪切压力机机台上,通过力反馈驱动泵注入所述半导体型碳纳米管溶液进行剪切沉积,在所述基底上沉积碳纳米管阵列薄膜;对上述得到的基底置于降解液中浸泡降解和清洗,获得半导体单壁碳纳米管阵列薄膜。本发明解决了现有溶液法制备碳纳米管阵列薄膜无法实现晶圆级大面积均匀制备的问题,同时缩短阵列碳纳米管薄膜制备时间。
Resumen de: CN121553993A
本发明属于电池技术领域,具体涉及一种铁基硫化物复合材料的制备方法和应用。本发明将MIL‑101(Fe)和硫脲在水热条件下反应后与氧化石墨烯反应,得到铁基硫化物复合材料,所述的铁基硫化物复合材料表现出优异的电化学性能,作为电池负极材料。本发明以MIL‑101(Fe)为前驱体,利用其高铁含量、稳定且规整的结构优势作为理想模版,与低毒性的硫脲低温水热合成形貌均一的双相金属硫化物,能耗低且过程温和、可控,最大限度地继承和保留MIL‑101前驱体的高孔隙率和规整形貌,同时实现异质结与孔隙的协同构建。
Resumen de: CN121553930A
本发明提供了一种文丘里管法分温区低温制备碳纳米管的装置及方法,方法所采用的装置是由卧式管式炉及两端密封箱、碳源气体进气系统、排气系统组成;所述卧式管式炉包括文丘里炉管,文丘里炉管由其中部的喉管段将其前后分隔为高温段炉管与低温段炉管;生产过程中,催化剂位于低温段炉管内,碳源气体通过高温段炉管发生热裂解,生成活性碳物种,活性碳物种由载气携带至低温段炉管内,以在催化剂表面实现碳纳米管的生长;碳源气体进气系统、排气系统在生产过程中分别用于输入碳源气体、排出尾气。本发明的有益效果是:通过将碳源气体裂解与碳纳米管生长过程在空间上采用文丘里管法分离的分温区系统,以实现碳纳米在热敏性基底上低温、高质量生长。
Resumen de: CN121551113A
本发明涉及新型类三角碾磨体领域,具体涉及一种新型类三角碾磨体及其制备方法,用于解决石墨烯在金属基体中易团聚、界面结合弱,硬度与韧性协同性差,耐磨性能不足,表面涂层结合力低,易脱落的问题;通过将高铬铸铁进行熔炼,之后加入钼粉、镍粉、钒粉以及硅锰合金,搅拌并保温,之后添加复合改性粉体进行搅拌,浇铸、冷却,进行热处理,再对其进行清洗,喷砂粗化,再喷涂过渡层、顶层,得到新型类三角碾磨体;本发明新型类三角碾磨体具备优异的综合力学性能,耐磨性得到显著提升,使用寿命大幅延长,且涂层结合力强、稳定性好,整体性能优势突出。
Resumen de: CN121555989A
一种碳纳米管‑炭黑杂化结构的制备方法及其应用,碳纳米管‑炭黑杂化结构的制备方法包括如下步骤:(1)炭黑预处理:采用酸溶液对导电炭黑进行预处理;(2)催化剂负载:加入金属催化剂前驱体,使催化剂金属离子均匀吸附沉积在炭黑表面;(3)原位化学气相沉积生长:将负载催化剂的炭黑粉末置于 CVD 反应炉中,在保护气氛下升温,通入碳源气体与稀释气的混合气进行反应,得到碳纳米管‑炭黑杂化结构。以低成本的炭黑为原料,通过在炭黑表面原位催化生长碳纳米管的方式制备,兼顾二者优点:利用了炭黑颗粒作为“隔离支架”防止CNT过度缠绕,从而显著降低最终浆料的粘度;又利用了CNT的高导电性网络,同时继承了炭黑的低成本优势。
Resumen de: CN121553926A
本发明公开了一种用于辅酶再生的质子化碳点光催化剂的制备方法及其应用,通过水热法利用葡萄糖酸锰和L‑天冬氨酸合成碳点后,通过酸浸法得到了质子化的碳点。光催化辅酶再生涉及两电子和一质子的传递及利用,质子化处理会影响该催化剂的带隙结构及其光催化过程中的电子和质子传递问题,实现还原型烟酰胺腺嘌呤二核苷酸(NADH)辅酶的高效再生。该催化剂可与微生物耦合,支持微生物生长,并将CO2转化为高附加值产物。
Resumen de: CN121556082A
本发明属于电催化材料技术领域,公开了一种CeO2/NiCo2O4异质结析氧反应电催化剂及其制备方法。该电催化剂通过在NiCo2O4纳米片阵列表面构建由氮掺杂碳量子点与CeO2组成的复合保护层,利用吡啶氮捕获溶出钴离子、CeO2氧空位促进其再整合,实现界面动态自修复。所述氮掺杂碳量子点嵌入CeO2层中并与NiCo2O4直接接触,协同抑制钴流失并维持结构完整性。本发明通过构建具有动态离子捕获与自修复能力的CeO2/氮掺杂碳量子点复合界面层,成功解决了NiCo2O4基析氧反应电催化剂在强氧化性工况下因钴离子溶出导致的结构失稳与性能衰减问题,在绿色氢能电解水技术领域具有重要的应用价值与产业化前景。
Resumen de: CN121550858A
本发明涉及纳米流体材料与新型能源转换技术交叉领域,且公开了一种液晶诱导氧化石墨烯取向纳米通道膜及其制备方法、应用,所述液晶诱导氧化石墨烯取向纳米通道膜由GO纳米片与特定液晶分子组成,通过液晶分子的氢键与π‑π堆积作用诱导GO纳米片平行取向,形成有序通道;本发明的制备方法将真空抽滤与液晶自组装结合,工艺简便、成本低;同时,本发明的液晶诱导氧化石墨烯取向纳米通道膜在50倍NaCl浓度梯度下的渗透能输出功率密度达5.92 W·m‑2,在HCl体系中达59.7 W·m‑2,且长期稳定性优异,可用于盐差能采集及工业废酸能量回收,具有重要的实用价值。
Resumen de: CN121565863A
本发明公开了一种硬碳负极材料及其制备方法和应用。该硬碳负极材料具有分级多孔结构,其中0.35~0.85nm微孔占总孔容的40~50%,2~25nm介孔占总孔容的30~50%;材料的平均闭孔直径为1.7~2.2nm,闭孔体积为0.091‑0.117cm3·g‑1;该硬碳负极材料具备短程伪石墨微晶结构,其平均横向尺寸为3.81~4.18nm,平均纵向尺寸为0.91~1.11nm。本发明采用高浓度酸刻蚀工艺,精准去除工业木质素一次碳化产物中的纳米级杂质相,再经二次碳化制备得到目标硬碳负极材料。该硬碳负极材料兼具高可逆储钠容量、优异的首次库仑效率与长循环稳定性,且制备工艺操作简便易行、生产成本低廉。
Resumen de: CN121553929A
本发明公开了一种单壁碳纳米管的制备方法,该方法包括如下步骤:S1、将复合碳源、纳米催化剂和粘结剂混合,依次进行挤压成型和烧结,形成复合棒材;S2、以所述复合棒材为阳极,纯石墨棒为阴极,进行等离子催化热解,得到单壁碳纳米管;其中,所述复合碳源包括高纯石墨、硬碳和软碳。本发明通过复合碳源的配方设计,通过等离子催化热解制备单壁碳纳米管,显著提高了单壁碳纳米管的选择性和产率。
Resumen de: CN121549369A
本发明涉及纳米材料农业应用技术领域,且公开了一种含碳量子点的光合促进剂的制备方法及应用,通过采用尿素与柠檬酸为原料,并优化氮碳摩尔比及水热反应参数,实现氮元素的高效掺杂与粒径精准调控,成功合成出具有优异上转换性能的氮掺杂碳量子点光合促进剂,该促进剂具备良好水溶性与生物相容性,在0‑100mg/L浓度范围内能大幅度提升植物光合效率,且明确安全施用窗口,通过建立叶面喷施与水培双模式施用规范,利用碳量子点介导的紫外光-光合有效辐射转换功能,结合其在叶绿体内的靶向富集渗透特性,针对性解决当前农作物对太阳光谱利用不足、光能转化效率偏低的问题。
Resumen de: CN121553927A
本发明公开了一种水溶性富勒烯基碳点及其制备方法与应用。所述富勒烯基碳点的粒径介于2‑10 nm之间,是在富勒烯纳米晶表面的碳笼分子上通过氮桥链接亲水性侧链而形成。其制备方法包括:(1)将富勒烯粉末与亲水性分散剂及亲水性叠氮有机化合物按比例依次投料于反应器,在惰性气体氛围下搅拌形成润湿分散体系;(2)将润湿分散体系升温反应;(3)反应混合物经有机溶剂洗涤后,复溶于水,过滤,透析,干燥得到纯净的水溶性富勒烯基碳点。本发明提供了所述的富勒烯基碳点作为纳米抗逆剂在种子处理中的应用,能促进作物幼苗根生长并提高抗环境逆境胁迫尤其是重金属胁迫的能力。
Resumen de: CN121557734A
本发明公开了一种石墨化夹具、石墨烯膜的制备方法及所得产品,属于石墨烯材料制备技术领域。制备方法包括:将氧化石墨烯浆料经涂布、预处理碳化得到石墨烯碳化膜,随后在石墨化过程中采用专用石墨化夹具对膜材施加沿涂布方向的拉伸力,使其在张紧状态下完成石墨化。该方法通过夹具的力学引导与石墨烯膜制备的工艺协同,显著提高了石墨烯片层的取向度,从而制得具有优异面内导热性能的石墨烯膜。
Resumen de: CN121553932A
本发明提供了一种限域铝化碳纳米管及其制备方法和应用、正极活性材料的制备方法,具体涉及锂离子电池技术领域。该限域铝化碳纳米管中,碳纳米管在多孔阳极氧化铝模板的纳米孔道内被空间限域,并在碳纳米管的外壁和管腔内表面通过模板转化原位生成含铝化合物薄膜;其中,含铝化合物包括偏铝酸锂和/或氧化铝;所述限域铝化碳纳米管具有长条状、圆柱形结构。本发明通过在多孔阳极氧化铝模板的纳米孔道内实现空间限域,完整保持一维结构;在限域环境中,碳纳米管的外壁及管腔内表面通过模板转化机制原位生成含铝化合物薄膜,不仅实现了铝源与碳纳米管的均匀复合,更通过空间限域效应从根本上抑制了碳纳米管在后续加工及应用过程中的团聚与结构变化。
Resumen de: KR20260022763A
본 발명은 탄소 나노섬유 및 상기 탄소 나노섬유 중에 분산된 산화철 나노입자를 포함하며, 상기 탄소 나노섬유와 상기 산화철 나노입자 사이 계면의 적어도 일부에 탄소 나노시트가 배치된 슈퍼캐퍼시터용 전극, 이를 포함하는 슈퍼캐퍼시터 및 그 제조 방법을 제공한다. 상기 전극은 탄소 나노섬유 내에서 철 이온의 확산을 조절하여 산화철 나노입자의 유도된 성장을 통해 입경이 제어된 단분산을 달성하여, 개선된 용량과 속도 성능을 제공한다.
Resumen de: WO2026036190A1
The invention relates to a method for preparing a graphene dispersion comprising a step of contact between graphene and a dispersing agent in a container, wherein the container is subjected to translation and rotation movement.
Resumen de: US20260049242A1
A method of well injection with reduced drag includes injecting an emulsified acid system (EAS) into a subterranean geological formation including one or more hydrocarbons. The EAS includes an aqueous acid phase, a liquid organic phase, carbon nanodots, and an emulsifier. The carbon nanodots are present in an amount of 0.1 to 2 percent by volume (vol. %) based on a total volume of the EAS. The carbon nanodots are zero dimensional. The carbon nanodots include carbon in an amount of 75 to 85 percent by weight (wt. %) and oxygen in an amount of 15 to 25 wt. % based on a total weight of the carbon nanodots. The EAS has an aqueous mixture to liquid organic phase ratio of 60:40 to 80:20 by volume. The EAS is a water in oil emulsion.
Nº publicación: US20260048987A1 19/02/2026
Solicitante:
LG CHEM LTD [KR]
LG CHEM, LTD
Resumen de: US20260048987A1
The present invention relates to a carbon nanotube dispersion comprising carbon nanotubes, a dispersant and a dispersion medium, wherein the dispersant comprises a first dispersant and a second dispersant in a weight ratio of 100:10 to 100:90, the first dispersant is a dispersant comprising a cyclic amide group, the second dispersant is a polymer compound comprising both a sulfonyl group and styrene, and a weight ratio of the carbon nanotubes and the dispersant is 100:50 to 100:500, thereby having low viscosity and a small particle size of particles contained therein.