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153
results.
Updated on
06/10/2024 [07:30:00]
Absstract of: WO2024198489A1
A lithium iron phosphate conductive agent, being a nitrogen-doped carbon nanotube in which nitrogen elements account for 0.8-1.5 wt% of the total mass of the nitrogen-doped carbon nanotube.
Absstract of: US2024327994A1
Compositions comprising hydrogenated and dehydrogenated graphite comprising a plurality of flakes. At least one flake in ten has a size in excess of ten square micrometers. For example, the flakes can have an average thickness of 10 atomic layers or less.
Absstract of: US2024327229A1
An anode material for a lithium ion battery comprises a carbonaceous silicon composite material. The composite material comprises Si nanoparticles, and nanostructured and microporous graphitic carbon and/or silicon carbide, wherein the graphitic carbon and/or silicon carbide are derived at least in part from carbonized metal organic framework.
Absstract of: US2024327220A1
A method for transferring a carbon nanotubes aqueous phase dispersion into an organic phase dispersion includes: providing the carbon nanotubes aqueous dispersion; mixing the carbon nanotubes aqueous dispersion with a first solvent to obtain a first suspension, where the first solvent includes a hydrophilic organic solvent; mixing the first suspension with a second solvent to form two stratified phases, allow to obtain a second suspension, where the second solvent includes a hydrophobic organic solvent; mixing the second suspension with a third solvent to obtain a third suspension; and subjecting the second suspension or the third suspension to dispersion treatment to obtain a carbon nanotubes organic dispersion, thereby realizing solvent transfer of the carbon nanotubes dispersion from aqueous to organic phase. The method can transfer the carbon nanotubes aqueous dispersion into the organic dispersion, and the transfer efficiency is 70%-95%.
Absstract of: 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.
Absstract of: WO2024197392A1
Electrodes known in the art and used with functional electrical stimulation degrade after multiple uses and require constant wetting or a skin interface layer to be comfortable. A reusable, convenient and comfortable dry electrode as herein disclosed comprises a conductive material comprising a fluoropolymer matrix and conductive carbon nanoparticles dispersed in the matrix, and a conductor configured to contact and deliver an electrical pulse to the material from a stimulator, wherein a dry tissue-contacting surface of the material is configured to deliver electrical stimulation directly to a tissue. The present disclosure also relates to uses of reusable dry electrodes, dry electrode garments and devices and methods of manufacturing and uses thereof.
Absstract of: WO2024200317A1
The invention provides a composition for application to a connector in an audio circuit, the composition comprising: carbon nanotubes; a mineral component; and a metallic component. The invention also relates to an audio device including the composition.
Absstract of: TW202411783A
A filtration formed nanostructure pellicle film is disclosed. The filtration formed nanostructure pellicle film includes a plurality of carbon nanofibers that are intersected randomly to form an interconnected network structure in a planar orientation with enhanced properties by plasma treatment. The interconnected structure allows for a high minimum EUV transmission rate of at least 92%, with a thickness ranging from a lower limit of 3 nm to an upper limit of 100 nm, to allow for effective EUV lithography processing.
Absstract of: EP4438565A1
The present application provides a nickel oxyhydroxide/carbon nanotube composite for a water-based magnesium ion positive electrode material, and a preparation method and use thereof. In this approach, carbon nanotubes serve as substrates onto which nickel oxyhydroxide particles are grown via a chemical bath method, yielding the desired composite. By employing this technique, nickel oxyhydroxide nanoparticles are synthesized directly on the surface of carbon nanotubes through a simple chemical bath process, resulting in the formation of a composite structure. This composite material, utilized as a cathode electrode in water-based magnesium ion batteries, exhibits outstanding electrochemical performance, particularly in terms of cycling stability and magnesium ion storage capacity.
Absstract of: US2024301566A1
A method for producing a carbon nanomaterial (CNM) product includes: heating an electrolyte media to obtain a molten electrolyte media; positioning the molten electrolyte media between a high-nickel content anode and a cathode of an electrolytic cell; introducing a source of carbon into the electrolytic cell; applying an electric current to the cathode and the anode in the electrolytic cell; and collecting the CNM product from the cathode, in which the CNM product comprises a minimal relative-amount of at least 70 wt %, as compared to a total weight of the CNM product, of hollow nano-onion product, in which the high-nickel content anode is made of pure nickel or an alloy that comprises greater than 50 wt % nickel.
Absstract of: US2024301566A1
A method for producing a carbon nanomaterial (CNM) product includes: heating an electrolyte media to obtain a molten electrolyte media; positioning the molten electrolyte media between a high-nickel content anode and a cathode of an electrolytic cell; introducing a source of carbon into the electrolytic cell; applying an electric current to the cathode and the anode in the electrolytic cell; and collecting the CNM product from the cathode, in which the CNM product comprises a minimal relative-amount of at least 70 wt %, as compared to a total weight of the CNM product, of hollow nano-onion product, in which the high-nickel content anode is made of pure nickel or an alloy that comprises greater than 50 wt % nickel.
Absstract of: US2024301566A1
A method for producing a carbon nanomaterial (CNM) product includes: heating an electrolyte media to obtain a molten electrolyte media; positioning the molten electrolyte media between a high-nickel content anode and a cathode of an electrolytic cell; introducing a source of carbon into the electrolytic cell; applying an electric current to the cathode and the anode in the electrolytic cell; and collecting the CNM product from the cathode, in which the CNM product comprises a minimal relative-amount of at least 70 wt %, as compared to a total weight of the CNM product, of hollow nano-onion product, in which the high-nickel content anode is made of pure nickel or an alloy that comprises greater than 50 wt % nickel.
Absstract of: US2024301566A1
A method for producing a carbon nanomaterial (CNM) product includes: heating an electrolyte media to obtain a molten electrolyte media; positioning the molten electrolyte media between a high-nickel content anode and a cathode of an electrolytic cell; introducing a source of carbon into the electrolytic cell; applying an electric current to the cathode and the anode in the electrolytic cell; and collecting the CNM product from the cathode, in which the CNM product comprises a minimal relative-amount of at least 70 wt %, as compared to a total weight of the CNM product, of hollow nano-onion product, in which the high-nickel content anode is made of pure nickel or an alloy that comprises greater than 50 wt % nickel.
Absstract of: US2024301566A1
A method for producing a carbon nanomaterial (CNM) product includes: heating an electrolyte media to obtain a molten electrolyte media; positioning the molten electrolyte media between a high-nickel content anode and a cathode of an electrolytic cell; introducing a source of carbon into the electrolytic cell; applying an electric current to the cathode and the anode in the electrolytic cell; and collecting the CNM product from the cathode, in which the CNM product comprises a minimal relative-amount of at least 70 wt %, as compared to a total weight of the CNM product, of hollow nano-onion product, in which the high-nickel content anode is made of pure nickel or an alloy that comprises greater than 50 wt % nickel.
Absstract of: CN118725859A
本发明公开了一种室温下电子束辐照制备绿色荧光石墨烯量子点及其制备方法和应用。本发明采用温和绿色可在室温下直接进行的电子束辐照法制备得可以发出绿色荧光的石墨烯量子点GQDs，后续通过改变GQDs的负载比例从而对基底为CdS的催化剂的催化性能进行调控。CdS粉体在外力作用下因为压电效应会产生电场，负载GQDs可以扩大光吸收范围，加快电子‑空穴对的分离，延长光生载流子的寿命，从而提高催化效率。GQDs/CdS复合材料在协同可见光和搅拌外力作用下，会产生增强的催化活性，加快有机染料的降解，在2h内降解效率可以达到99％。本发明所得复合催化剂在可见光条件下对甲基橙有着良好的降解能力且具有出色的的稳定性。这种简单、高效的复合策略为合成新型光催化剂提供了新的思路。
Absstract of: CN118720155A
本发明涉及一种兼具优异循环及高倍率性能的Bi@CNT钠离子电池负极材料的制备方法，包括以下步骤：1)Bi(NO)3·5H2O加入到醇溶液中，磁力搅拌至固体物质完全溶解；2)加入带有‑COOH的碳纳米管，搅拌形成均一的悬浮溶液，在高压反应釜内150～200℃反应；3)冷却至室温后，抽滤，得到的黑色固体进行干燥；4)在惰性气氛下于管式炉中加热并在500～1000℃下恒温，冷却。优点是：采用带有‑COOH的CNT材料与Bi3+结合，通过高温处理后得到具有微米级大小的Bi@CNT复合材料，有效抑制Bi单独作为钠离子电池负极电极材料存在的体积膨胀问题。
Absstract of: CN118723984A
本发明公开了一种三维石墨烯/碳纳米管/钴纳米点分级结构粉体材料的制备方法，该方法包括：一、将聚乙烯吡咯烷酮、四水合乙酸钴、乙酸铵和氰胺基聚合物配制成混合溶液；二、高速离心喷雾干燥；三、热处理。本发明以聚乙烯吡咯烷酮作为碳源，四水合乙酸钴和乙酸铵作为发泡剂和催化剂，氰胺基聚合物作为发泡剂和诱导剂，无需引入气体碳源和复杂催化剂，经一步热处理制备三维石墨烯/碳纳米管/钴纳米点分级结构粉体材料，该材料具有优异的结构稳定性和导电性，在电磁波吸收与屏蔽、能源存储与电催化材料等领域具有广阔应用前景，且该制备方法流程简单易操作，生产周期短，成本低廉，绿色环保，易于调控和规模化生产，具有产业化价值。
Absstract of: KR20230126671A
According to the present invention, an anode and a secondary battery are disclosed. The anode includes an anode active material layer containing an anode active material and a conductive material. The anode active material includes a silicon-based anode active material. The conductive material includes a carbon nanotube structure in which a plurality of single-walled carbon nanotube units are bonded side by side, wherein an average length of the carbon nanotube structure is 2 to 20 ㎛. When a surface of the anode active material layer is confirmed at 20,000 times magnification through a scanning electron microscope (SEM), among the observed carbon nanotube structures with the average length of 2 to 20 ㎛, 60 are selected, and an A value defined as formula 1, A = (straight line distance between both ends of the carbon nanotube structure (P) / total length of the carbon nanotube structure (Q)) × 100, is measured for each of the selected carbon nanotube structures. The average A value calculated by taking the arithmetic average of the remaining 50 A values, excluding top 5 values and bottom 5 values among the measured A values, is 70 to 100. Accordingly, the life characteristics of a battery can be improved.
Absstract of: CN118723975A
本发明公开了一种利用脱脂花椒籽制备白光碳点的方法及应用，方法由以下步骤组成：将脱脂花椒籽浸入有机溶剂中均匀混合，并置于反应釜中反应；待反应完成后冷却至室温，加入胺类化合物，再次置于反应釜中反应，待反应完成后将反应后的溶液利用透析袋进行透析，透析后的溶液经冷冻干燥后得到纯净的白光荧光碳点粉末；本发明选取生物质脱脂花椒籽作为碳源，通过常用的荧光调控机制，对其结构进行修饰和优化，两步法直接合成具有优异荧光特性的生物质衍生物W1‑CDs。
Absstract of: CN118723982A
本发明公开了一种在集流体表面原位合成石墨烯加热层的方法,涉及集流体技术领域，先在集流体表面制备聚合物膜，然后通过激光辐照将聚合物转变为石墨烯，在集流体表面形成石墨烯加热层；本发明在集流体表面制备的石墨烯加热层具有轻薄、发热均匀的特点，可以实现对集流体的均匀加热，同时不会影响集流体的使用性能；并通过光敏剂的添加可以提高聚合物膜对激光的有效吸收，从而提高石墨烯的合成质量。
Absstract of: CN118723978A
本申请公开了一种单壁碳纳米管的提纯方法，属于单壁碳纳米管领域。一种单壁碳纳米管的提纯方法，包括以下步骤：S1、将含有高锰酸钾、浓硫酸、原始单壁碳纳米管原灰的物料混合后，反应，得到反应液；S2、将含有所述反应液、双氧水的物料混合后，微孔滤膜过滤，得到固体；S3、将所述固体水洗后得到超高纯单壁碳纳米管；步骤S3中，水洗至水溶液pH为4～5。该方法可将被晶型碳颗粒包覆的金属纳米颗粒、被单壁碳纳米管深度缠绕其中的石墨烯片和多壁碳纳米管一并除去，且实现单壁碳纳米管纯度高于99％。
Absstract of: CN118723981A
本发明属于石墨烯膜制备领域，涉及一种调控石墨烯膜结构取向的方法，尤其涉及一种垂直石墨烯膜及其制备方法。制备氧化石墨烯溶液、混合金属盐溶液；将混合金属盐溶液加入到氧化石墨烯溶液中，混匀，离心，得到氧化石墨烯纺膜原液；将氧化石墨烯纺膜原液泵入位于凝固浴中的逐级拓宽通道中，湿法纺丝后于凝固浴中静置凝固，制得凝胶垂直氧化石墨烯膜；将凝胶垂直氧化石墨烯膜取出，洗涤，冻干，进行还原，即得垂直石墨烯膜。本发明利用逐级拓宽通道制备出宽流域膨胀流，促使纺膜原液中的石墨烯片层由水平方向翻转至垂直方向，从而制备出垂直结构石墨烯膜。
Absstract of: CN118738330A
本发明公开了多孔碳增强为载体的硅烷沉积制备负极材料制备方法及应用，属于负极材料制备方法技术领域，通过管式炉高温裂解方法制备得到的碳钎维或碳纳米管增强多孔碳基底为高比表面积的多孔隙复杂材料，能够诱导硅烷类物质的沉积形成纳米硅，同时通过复杂的孔隙框架材料给裂解的纳米硅予以束缚，提供硅基材料体积膨胀的空间，并且还能给锂离子的传输提供了不同的通道。
Absstract of: CN118725405A
本发明属于纳米材料技术领域，公开了一种废旧棉质织物高附加值全回收的制备方法。本发明利用酸解法分离废旧织物中的天然纤维和合成纤维，天然纤维中的非结晶区溶解在酸中，而结晶区具有稳定的结构而被很好的保留以纳米颗粒的形式悬浮在酸中，酸液离心分离出非结晶区和结晶区；结晶区采用纯化和加工工艺制备了纤维素基荧光光子薄膜，含有非结晶区的废酸循环多次用作酸解法，之后的废酸含有大量的非结晶区域物质，再通过水热碳化法或微波法制备不同荧光碳量子点；合成纤维则进行回收利用用以制备各种工艺品及再生纤维。本发明方法同时对天然纤维、合成纤维和废酸进行高附加值利用，绿色环保、可持续，高效的提高了回收废旧纺织品附加值综合利用。
Nº publicación: CN118725315A 01/10/2024
Applicant:
合肥工业大学
Absstract of: CN118725315A
本发明公开了一维网状纳米管MOF衍生硒化物@多孔碳材料的制备方法及其应用，所述方法包括如下步骤：将ZnCo‑BTC纳米线分散于乙醇水溶液形成均匀的悬浮液A；将2‑甲基咪唑溶于乙醇水溶液，形成溶液B；将溶液B置于水浴锅中预热到反应温度，倒入悬浮液A，恒温搅拌反应后，将产物离心分离，然后用乙醇和水洗涤多次，最后烘干后得到一维管状MOF材料。将这种一维管状MOF材料与三聚氰胺一同在氩气氛围中退火后，得到具有网状结构的多孔碳纳米管材料。一维网状多孔碳纳米管材料与硒粉混合均匀后经过氩气保护退火后得到一维网状纳米管MOF衍生硒化物@多孔碳材料。本发明操作简单，过程可控，制备的产物广泛应用于电化学储能、分离、催化、药物缓释等领域。
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