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173
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Última actualización
20/07/2025 [07:12:00]
Resultados 125 a 150 de 173
Resumen de: CN120208206A
本发明属于碳量子点技术领域，公开了一种无溶剂一锅法制备木质素基碳量子点的方法及制成的木质素基碳量子点和应用。该方法使用工业碱木质素作为碳源，赖氨酸充当氮源，再和无水草酸充分研磨混合后在常压高温条件下制备成含氮木质素基碳量子点；反应结束后进行离心、透析、过滤纯化，最后冷冻干燥得到木质素基碳量子点粉末。本发明的制备方法，使用的氮源赖氨酸具有优异的稳定性，增强了木质素基碳量子点的量子产率及其收率。通过本发明的制备方法制得了优异的发光性能和高收率的木质素基碳量子点。
Resumen de: CN120208248A
本发明涉及一种表面拓扑结构可控的多足复合材料及制备方法与应用，材料表面生长有多足结构，每个足长度为50‑500nm，直径为50‑150nm；制备方法为在水‑乙醇混合体系中进行反应，以十六烷基三甲基溴化铵为结构导向剂，以1,2‑双(三乙氧基硅基)乙烷为硅源，以氨水为催化剂，在原材料表面生长多足结构；制备得到的多足复合材料可应用于口服给药，菌种筛选，细胞分离与检测等领域。与现有技术相比，本发明方法可实现材料表面的形貌的调控，具有重要的实际应用价值，是调控材料‑生物界面交互作用力的一种普适性方法。
Resumen de: CN120209186A
本申请公开了一种石墨烯分散剂及其制备方法和应用，本申请中所述的石墨烯分散剂具有如式I所示的化学结构：#imgabs0#其中，n、m分别为重复单元，n＝1220～1660，m＝20～240。该石墨烯分散剂具有特定的结构，不仅能够高效剥离石墨制备石墨烯，同时能够使得石墨烯在水中稳定分散，避免石墨烯重新堆积和团聚，制备得到横向尺寸小且少层的石墨烯，同时提高制备的石墨烯的质量和产率，对于工业规模化生产高质量小尺寸石墨烯具有重要的意义。
Resumen de: CN120208282A
本发明涉及一种氧化锌/石墨烯量子点气凝胶及其制备方法及NO2气敏传感器。该氧化锌/石墨烯量子点气凝胶的制备方法为将海藻酸钠、氧化锌、石墨烯量子点溶液混合后得到悬浮液，冷冻干燥即得。本发明充分发挥了石墨烯量子点(GQDs)的高比表面积、良好的导电性以及化学稳定性等独特的物理化学性质，改善了以纯ZnO为主体构建的气敏传感器的工作温度高、灵敏度低、响应慢等问题。
Resumen de: CN120204415A
本发明公开了一种基于核糖体亲和的用于肿瘤光动力治疗的荧光纳米碳点、制备及应用，涉及亚细胞器成像和光动力治疗领域。本发明中使用左氧氟沙星、甲苯胺蓝和聚乙烯亚胺作为原料，通过加热合成了具有红色荧光和光动力治疗效果的碳点。左氧氟沙星可修饰至碳点表面，用于结合定位于糙面内质网的核糖体；甲苯胺蓝作为光敏剂在碳点合成中作为碳核，有助于碳点的形成；聚乙烯亚胺作为阳离子聚合物，使得碳点表面带有合适的正电荷，有助于细胞对碳点的快速摄取。本发明中的纳米碳点可特异性标记细胞核糖体，从而实现对核糖体的成像，此外在激光照射下可实现光动力治疗。本发明中的碳点的特异性高，标记快速，且还能产生单线态氧用于光动力治疗。
Resumen de: WO2025133287A1
A method of producing carbon materials from one or more carbon- containing feedstock gases by melting one or more electrolytes inside a reactor chamber, adding from 0.03 wt% to 2 wt% catalyst of the total electrolyte mass at a dosage rate from 16.7 ppm hour-1 to 1100 ppm hour-1, providing one or more feedstock gases into the molten electrolyte in the reactor chamber with a flow rate comprising at least 4.2 standard cm3 min-1 A-1 mass equivalent of CO2, and applying a direct current density in the range from 100 A m-2 up to 20 000 A m-2 to one or more anodes and one or more cathodes.
Resumen de: KR20250095483A
본 발명은 탄소나노튜브, 상기 탄소나노튜브의 표면을 감싸는 제1 분산제, 상기 탄소나노튜브의 표면에 전하를 도입하는 제2 분산제, 및 상기 전하와 정전기적 반발력을 갖는 저장 안정제를 포함하는 탄소나노튜브 분산액, 이의 제조 방법, 이를 포함하는 전극 슬러리 조성물 및 이차 전지를 제공한다.
Resumen de: WO2025135335A1
The present invention relates to a novel nanocomposite comprising reduced graphene oxide and LFO nanoparticles, and a metronidazole detection use thereof. The LFO/rGO nanocomposite of the present invention was prepared using a simple and eco-friendly method, and it has been identified that, compared to a conventional MTZ sensor, an electrode on which the nanocomposite prepared in this way is deposited can detect and quantify MTZ with a wider linear range, a lower detection limit and superior sensitivity, and thus the present invention can be used for detecting MTZ remaining in a biosample or a food sample.
Resumen de: WO2025135335A1
The present invention relates to a novel nanocomposite comprising reduced graphene oxide and LFO nanoparticles, and a metronidazole detection use thereof. The LFO/rGO nanocomposite of the present invention was prepared using a simple and eco-friendly method, and it has been identified that, compared to a conventional MTZ sensor, an electrode on which the nanocomposite prepared in this way is deposited can detect and quantify MTZ with a wider linear range, a lower detection limit and superior sensitivity, and thus the present invention can be used for detecting MTZ remaining in a biosample or a food sample.
Resumen de: US2025206616A1
A carbon nanotube dispersion liquid includes carbon nanotubes with an average fiber length of 10 μm or more, an aqueous solvent, and a dispersant that is soluble in the aqueous solvent and has a weight-average molecular weight of 600000 or more. A content of the dispersant is 10 parts by mass or more and 500 parts by mass or less relative to 100 parts by mass of the carbon nanotubes.
Resumen de: US2025206615A1
A nonaqueous carbon nanotube dispersion liquid includes carbon nanotubes with an average fiber length of 100 μm or more, a nonaqueous solvent, and a dispersant that is soluble in the nonaqueous solvent and has a weight-average molecular weight of 70000 or more. A content of the dispersant is 10 parts by mass or more and 500 parts by mass or less relative to 100 parts by mass of the carbon nanotubes.
Resumen de: WO2025129503A1
The present disclosure relates to the technical field of lithium-ion battery positive electrode materials. Disclosed are a preparation method for nano lithium iron phosphate and an application thereof. The method comprises: dispersing iron phosphate in an alcohol solvent, and performing ultrasonic treatment to obtain a suspension A; performing laser treatment on the suspension A, stirring the suspension A during the laser treatment, adding a lithium source and a carbon source into the suspension A having undergone laser treatment, and mixing same to obtain a suspension B; and performing spray drying on the suspension B to obtain dried powder, and sintering the dried powder in an inert atmosphere to obtain nano lithium iron phosphate.
Resumen de: WO2025129779A1
Disclosed are a nano silicon-carbon composite material, a preparation method therefor, and a use thereof. The nano silicon-carbon composite material comprises co-agglomerated nano silicon particles and nano carbon particles. The mass ratio of the nano silicon particles to the nano carbon particles is (45-60):(40-55). The nano silicon particles have an average particle size of 1-50 nm and a crystallite grain size of 1-10 nm. The nano silicon particles have varied crystal orientations and are freely combined with the nano carbon particles. In the nano silicon-carbon composite material, the nano silicon particles and the nano carbon particles are uniformly dispersed, and the particle size of the nano silicon particles is small. Moreover, due to the dispersion of the nano carbon, the phenomenon of agglomeration between the nano silicon particles can be reduced. When the composite material is applied to negative electrode materials and batteries, the phenomenon of electrochemical sintering can be effectively mitigated.
Resumen de: WO2025136733A1
The present disclosure is directed to systems and methods of producing disproportionated silicon oxide composite particles. The disproportionated silicon monooxide composite particles can be produced by mixing an alkali metal salt and/or an alkaline earth metal salt, a carbon precursor, a liquid medium, and silicon monooxide particles to form a precursor suspension. The precursor suspension can be heated to form a powder that includes disproportionated silicon monooxide particles having a coating comprising alkali metal and/or alkaline earth metal, wherein the disproportionation of the silicon monoxide is at least 30%.
Resumen de: WO2025136153A1
The invention relates to the chemical industry, and more particularly to technology for producing hydrogen and carbon nanofibres by the catalytic pyrolysis of light hydrocarbons, and can be used in various fields of activity (for example, the chemical industry, hydrogen energy production, and other industrial sectors). The technical result is an increase in the yield of hydrogen and of carbon nanomaterial in the form of carbon nanofibres. This technical result is achieved by the present solution to the problem of implementing a continuous process for producing hydrogen and carbon nanofibres in a device having a vertical reactor with a fluidized catalyst bed, where the continuous operation of the device is provided by a system for continuously supplying a catalyst and a system for discharging carbon nanofibres.
Resumen de: WO2025132634A1
The invention relates to a method for the in situ electrical characterisation of a grown carbon nanotube connecting two neighbouring cantilevers within a cantilever chip (2) and forming a low-temperature quantum dot, comprising the steps of 1) applying a voltage between two electrically conductive areas provided respectively on the two cantilevers close to the respective ends of the nanotube, the end conductive areas of the cantilevers acting respectively as drain and source of a field-effect transistor, 2) applying a gate potential to the field-effect transistor, between a gate (220) placed close to the carbon nanotube and the end conductive area acting as source, 3) measuring the current flowing between the end conductive areas of the cantilevers, and 4) processing the current measurements and the applied gate potential.
Resumen de: KR20250095498A
본 발명은 탄소나노튜브, 중량평균분자량이 4,000 g/mol 내지 30,000 g/mol인 비이온성 고분자를 포함하는 제1 분산제, 및 술폰산(염)기를 가지는 음이온성 고분자를 포함하는 제2 분산제를 포함하며, 상기 제1 분산제 및 상기 제2 분산제의 중량비는 5:1 내지 1:5 인 탄소나노튜브 분산액, 이의 제조 방법, 이를 포함하는 전극 슬러리 조성물 및 이차 전지를 제공한다.
Resumen de: EP4574755A1
A method of producing carbon materials from one or more carbon-containing feedstock gases by melting one or more electrolytes inside a reactor chamber, adding from 0.03 wt% to 0.5 wt% catalyst of the total electrolyte mass at a dosage rate from 16.7 ppm hour<sup>-1</sup> to 277.8 ppm hour<sup>-1</sup>, providing one or more feedstock gases into the molten electrolyte in the reactor chamber with a flow rate comprising at least 4.2 standard cm<sup>3</sup> min<sup>-1</sup> A<sup>-1</sup> mass equivalent of CO<sub>2</sub>, and applying a direct current density in the range from 100 A m<sup>-2</sup> up to 20 000 A m<sup>-2</sup> to one or more anodes and one or more cathodes.
Resumen de: EP4574756A1
The process for the preparation of screen-printed carbon electrodes modified with oxidized single-walled carbon nanotubes (SWNTs) and decorated with graphene quantum dots for applications in the field of electrochemical sensor involves: i) interaction of SWNTs with a solution of HNO<sub>3</sub> and HCl in order to functionalize the single-walled carbon nanotubes with carboxyl groups (SWNT-COOH); ii) annealing treatment in air at 100 °C of SWNT-COOH to obtain graphene quantum dots containing carboxyl functional groups (GQD-COOH); iii) interaction of GQD-COOH with cysteamine when GQD containing thiol groups are obtained (GQD-SH) (iv) the interaction of SWNTs with aqueous solution of KMnO<sub>4</sub> and H<sub>2</sub>SO<sub>4</sub>, when "oxidized SWNTs" containing SWNTs having epoxy groups (labelled as SWNTO), hydroxyl groups (labelled as SWNT-OH) and carboxyl groups (labelled as SWNT-COOH) are obtained; and v) the deposition by the drop casting method on the surface of the screen-printed carbon electrode (SPCE) of oxidized SWNTs which are interacted with 1-ethyl-3-(3-dimethyl)aminopropyl carbodiimide (EDC) and successively with GQD-SH in order to decorate the "oxidized SWNTs" with GQD-SH.
Resumen de: EP4574758A1
The present invention provides 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.
Resumen de: EP4574759A1
A carbon nanotube dispersion liquid includes carbon nanotubes (10) with an average fiber length of 10 µm or more, an aqueous solvent, and a dispersant (20) that is soluble in the aqueous solvent and has a weight-average molecular weight of 600000 or more. A content of the dispersant (20) is 10 parts by mass or more and 500 parts by mass or less relative to 100 parts by mass of the carbon nanotubes (10).
Resumen de: EP4574757A1
A nonaqueous carbon nanotube dispersion liquid includes carbon nanotubes (10) with an average fiber length of 100 µm or more, a nonaqueous solvent, and a dispersant (20) that is soluble in the nonaqueous solvent and has a weight-average molecular weight of 70000 or more. A content of the dispersant (20) is 10 parts by mass or more and 500 parts by mass or less relative to 100 parts by mass of the carbon nanotubes (10).
Resumen de: EP4574760A1
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.
Resumen de: CN120189366A
一种具有抗衰老并能够快速检测pH和进行细胞荧光成像的吴茱萸提取物碳点的制备方法和应用，它涉及碳点领域，本发明采用一步水热合成法制备吴茱萸提取物碳点。所述的吴茱萸提取物碳点用于制备抗衰老的药物。用于制备检测pH的制剂，或制备细胞荧光成像的试剂。本发明以吴茱萸提取物为碳源，采用绿色简便的一步水热法合成了超小尺寸的吴茱萸提取物碳纳米点。吴茱萸提取物碳点粒径分布均匀，表面基团丰富，具有良好的水溶性和生物相容性，能够通过抗氧化和抑制黑色素合成的作用，实现高效皮肤美白和抗衰老的目的；同时因为碳点的荧光特性，可以作为荧光探针，快速检测pH，并且能够进入细胞，进行细胞荧光成像。
Nº publicación: CN120199798A 24/06/2025
Solicitante:
复旦大学
Resumen de: CN120199798A
本发明涉及一种低成本的多孔碳核壳纳米球及其制备和应用，将碱催化剂、碳前驱物和二氧化硅前驱物溶解在有机溶剂/水混合溶液中；碳前驱物和二氧化硅前驱物在碱催化作用下水解聚合，相分离沉淀形成二氧化硅@高分子核壳纳米球；然后高温碳化形成二氧化硅@碳核壳纳米球；进一步刻蚀处理，得到多孔碳纳米球。本发明制得的多孔碳核壳纳米球尺寸为100‑2000nm，比表面积为500‑2000m2/g，碳含量为95‑99wt％。本发明原料易得，方法简单，成本低。
BOPI
Sede Electrónica
