Resumen de: JP2024142191A
【課題】分散安定性に優れるナノ構造体分散液を提供する。【解決手段】動的光散乱法に基づくZ平均粒子径が45.0nm以上70.0nm以下である繊維状ナノ構造体と、水を含む分散媒と、含有するナノ構造体分散液である。【選択図】なし
Resumen de: CN118369158A
An embodiment of the present specification provides a catalyst for preparing carbon nanotubes, which includes a metal component represented by Formula 1 below. Lt; formula 1gt; cox: M1, Zr y: M2z. In the formula, Co represents cobalt, an oxide or a derivative thereof, M1 represents at least one metal selected from the group consisting of Al, Ca, Si, Ti and Mg, an oxide or a derivative thereof, Zr represents zirconium, an oxide or a derivative thereof, M2 represents at least one metal selected from the group consisting of W, V, Mn and Mo, an oxide or a derivative thereof, 0.2 < = x/y < = 2.6, and 6 < = x/z < = 13.
Resumen de: WO2024211645A1
Mucosal patches are disclosed that have a support layer supporting an active layer that has a collagen carbon dot nanocomposite carrying an active agent. The collagen carbon dot nanocomposite is absorbable through a mucosa. The mucosal patches are part of various methods of treatment.
Resumen de: WO2024209476A1
Symmetric and asymmetric supercapacitors are disclosed. The symmetric supercapacitor comprises: a first electrode; an electrolyte; and a second electrode. The first and second electrodes comprise carbon-based material and nanostructure of metal-chalcogen compound, wherein the metal is selected from Cu, Va, Ni, Fe, Ag, Co, Mn, Sn, and any combination thereof, and the chalcogen is selected from Te, Se, and S. The asymmetric supercapacitor comprises: a substrate; a first electrode comprising a first carbon-based material and a first nanostructure of a metal-chalcogen compound, wherein the metal is selected from Cu and Sn, and the chalcogen is selected from Te, Se, and S; an electrolyte; and a second electrode comprising a second carbon-based material.
Resumen de: US2024336797A1
A quantum dot composition including quantum dots, a photopolymerizable monomer, and an oligomer, wherein the oligomer includes a compound containing a carbon-carbon double bond and a compound containing a thiol group.
Resumen de: AU2023242796A1
The present invention broadly relates to the fabrication and processing of graphene electronic devices on silicon which comprise a silicon dioxide passivation layer.
Resumen de: CN118745008A
本发明提供一种碳纳米管包覆掺杂前驱体及其制备方法和正极材料,所述碳纳米管包覆掺杂前驱体包括核芯和包覆在核芯外部的碳纳米管包覆层;所述核芯包括含有掺杂金属M的镍钴锰三元前驱体核芯;所述掺杂金属M包括铝、钛、铌、锆、钨、钒、锶、镓、铈、钇或镧中的任意一种或至少两种的组合。本发明将掺杂金属M与碳纳米管包覆结合,制备出高性能前驱体,提高了正极材料的放电容量、倍率性能和循环性能。
Resumen de: CN118744241A
本发明属纳米材料技术领域,具体涉及一种金属或非金属纳米微粉的制备方法。为解决目前国内外金属或非金属纳米微粉制备方法存在产品粒径控制不精确、纯度不高、工艺复杂、产能低、成本高、环境污染等问题,提供一种新型高温气化制备方法。该方法选用高纯度原料,经激光辐射气化原料,再经降温凝结生长、骤冷定形、冷却、收集工艺,得到高纯度纳米微粉。本方法生产过程无污染,生产周期短,效率高,耗能低,投资少,产量高,能用于规模化工业生产。
Resumen de: CN118745345A
本发明涉及一种番红花红基长波碳点的制备方法及其在防伪荧光墨水中的应用,目的是解决碳点在防伪油墨加密模式单一,在MnO4‑检测中检出范围窄,检出限高的技术问题,技术方案为:包括如下步骤:室温下取番红花红T和草酸于去离子水中超声溶解;进行高压反应釜高温加热反应,自然冷却至室温后过滤,再通过透析膜透析得到碳点水溶液,冷冻干燥得到碳点粉末(O‑CDs),番红花红基长波碳点以及在金属离子检测及荧光防伪墨水中的应用。本发明以含有共轭体系的番红花T为前驱体,掺杂草酸成功制备了碳点粉末(O‑CDs),具有良好的生物相容性、波长独立性、稳定性高、较低的生物毒性等优点,可成功应用于MnO4‑的无标记检测和双重防伪。
Resumen de: CN118744982A
本发明公开了一种以废烯烃类塑料和废弃碳纤维为原料制备碳纳米管的方法及其在超级电容器中的应用。所述的方法,其包含如下步骤:(1)在管式炉中通入混合气体,对废弃碳纤维材料进行热解,得脱浆碳纤维;接着将脱浆碳纤维放入H2O2溶液中进行活化得预处理碳纤维;(2)配制金属离子溶液,接着对预处理碳纤维进行电镀处理,得金属纳米微粒涂覆的碳纤维;(3)将废弃聚烯烃材料与催化剂混合后放入管式炉第一个温区,接着进行加热分解形成小分子化合物;接着在放置有铁纳米微粒涂覆的碳纤维的管式炉第二个温区进行反应得到碳纳米管。采用本发明碳纳米管制成的负极片用于超级电容器中,其在循环多次后,均具有较高的比容量以及比容量保持率。
Resumen de: CN118745504A
本发明提出了一种0.8mm厚度带钢及其生产工艺,属于带钢技术领域。包括:S1.以50Mn热轧钢带为原料,经过酸洗去除表面氧化皮;S2.将处理后的带钢经过热轧,高压水除磷;S3.进行中间退火处理;S4.将退火处理后的带钢冷轧至0.5‑0.7mm厚度;S5.将带钢经过表面去除油脂后,进入熔融锌液中进行热浸镀锌,取出,吹扫冷却;S6.进行成品退火;S7.将产品进行板形矫正,制得0.8mm厚度带钢。本发明生产工艺方法简单,制得的带钢力学性能好,硬度大,稳定性、耐氧化性能以及可加工性能好,厚度公差波动小,板形平直度好,表面质量稳定,可控的批量化制备。
Resumen de: CN118744985A
一种可实现高分散稳定性的碳纳米材料复合物及其制备方法,属于碳纳米材料的分散工艺领域。先对石墨烯,碳纳米管,导电炭黑除杂,然后单独制备成分散液,再进行混合超声分散,然后加热搅拌直至糊状,真空烘干,研磨,再分散。利用石墨烯,碳纳米管,导电炭黑独特的几何结构彼此互相分散,碳管连接碳管与碳管,碳管与石墨烯,石墨烯与石墨烯之间的宽间隙,导电炭黑分散在周围,填充剩余的窄间隙,形成稳定的三维网络结构,以实现碳纳米材料的高分散稳定性。
Resumen de: US2022158193A1
Carbon nanostructures are used to prepare electrode compositions for lithium ion batteries. In one example, a cathode for NCM batteries includes three-dimensional carbon nanostructures which are made of highly entangled nanotubes, fragments of carbon nanostructures and/or fractured nanotubes which are derived from the carbon nanostructures, are branched and share walls with one another. Amounts of carbon nanostructures employed can be less than or equal to 1 weight % relative to the electrode composition.
Resumen de: CN118215639A
Reactor systems and related methods configured to produce carbonaceous materials by exposing a carbonaceous reactant gas to catalyst particles. The reactor system includes a reactor containing a heated reaction volume wherein a reaction gas is exposed to catalyst particles, at least one reaction gas inlet into the reaction volume, and at least one catalyst particle inlet into the reaction volume. The catalyst particles are heated before they contact the reaction gas.
Resumen de: 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.
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.
Resumen de: 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.
Resumen de: 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%.
Resumen de: 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.
Resumen de: 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.
Resumen de: WO2024201466A1
Provided herein a composite comprising a multi-layered structure comprising at least one layer of multi-walled carbon nanotube (MWCNT) and at least one layer of single-walled carbon nanotube (SWCNT); and its use as a cathode for e.g. LSBs (lithium sulfur batteries).
Resumen de: 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.
Resumen de: 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.
Resumen de: 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.
Nº publicación: EP4436919A2 02/10/2024
Solicitante:
C2CNT LLC [US]
C2CNT LLC
Resumen de: 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.