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一种醋酸锌-抗坏血酸碳点的制备方法及其应用

Resumen de: CN120209832A

本发明涉及荧光碳点的合成技术领域，具体涉及一种醋酸锌‑抗坏血酸碳点的制备方法及其应用。包括：S1、称取一定质量的醋酸锌和抗坏血酸，用水溶解，将醋酸锌溶液和抗坏血酸溶液在室温下混合均匀，得溶液A；S2、将S1中的溶液A转移至水热反应釜中，180℃～220℃反应1～4小时，得溶液B；S3、将S2中的溶液B用0.45μm滤膜过滤、冷冻干燥，最终得到醋酸锌‑抗坏血酸碳点。本发明采用水热合成法首次成功构建醋酸锌‑抗坏血酸荧光碳点，在380nm激发波长下，产物在490nm处有发射峰，呈蓝色荧光；以硫酸奎宁为标准参照物，其量子产率为10.05％；以CDs溶液为探针分子，加入ClO‑后可诱导CDs荧光淬灭，且次氯酸盐浓度与CDs的荧光强度呈线性响应，可用于次氯酸盐的快速定量检测。

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

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。

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

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。

石墨烯分散剂及其制备方法和应用

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。

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

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。

NOVEL NANOCOMPOSITE AND METRONIDAZOLE DETECTION USE THEREOF

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.

SYSTEMS AND METHODS FOR DISPROPORTIONATION OF SILICON OXIDE FOR ANODE MATERIALS

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%.

NANO SILICON-CARBON COMPOSITE MATERIAL, PREPARATION METHOD THEREFOR, AND USE THEREOF

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.

PREPARATION METHOD FOR NANO LITHIUM IRON PHOSPHATE AND APPLICATION THEREOF

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.

SYSTEM AND METHOD FOR IN SITU ELECTRICAL CHARACTERISATION OF CARBON NANOTUBES, AND METHOD FOR ADAPTING A CHIP FOR GROWING NANOTUBES FOR CHARACTERISATION PURPOSES

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.

CARBON NANOTUBE DISPERSION LIQUID

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.

NONAQUEOUS CARBON NANOTUBE DISPERSION LIQUID

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.

A METHOD OF PRODUCING CARBON MATERIALS FROM FEEDSTOCK GASES

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.

METHOD AND APPARATUS FOR PRODUCING HYDROGEN AND CARBON NANOFIBRES

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.

CARBON NANOTUBE DISPERSION, METHOD OF PREPARING THE SAME, AND ELECTRODE SLURRY COMPOSITION AND SECONDARY BATTERY INCLUDING CARBON NANOTUBE DISPERSION

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.

NONAQUEOUS CARBON NANOTUBE DISPERSION LIQUID

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).

CARBON NANOTUBE DISPERSION LIQUID

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).

CARBON NANOTUBE DISPERSION, METHOD OF PREPARING THE SAME, AND ELECTRODE SLURRY COMPOSITION AND SECONDARY BATTERY INCLUDING CARBON NANOTUBE DISPERSION

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.

PREPARATION OF SCREEN-PRINTED ELECTRODES MODIFIED WITH OXIDIZED SWCNT DECORATED WITH GRAPHENE QD

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 HNO₃ 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 KMnO₄ and H₂SO₄, 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.

A METHOD OF PRODUCING CARBON MATERIALS FROM FEEDSTOCK GASES

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^-1 to 277.8 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.

一种低成本高抗氧化活性液态碳点包装材料的制作方法及其应用

Resumen de: CN120188824A

本发明的一种低成本高抗氧化活性液态碳点包装材料的制作方法，首先收集新鲜葡萄皮、葡萄籽将其清洗、烘干、粉碎、过筛得到葡萄皮籽粉；然后将葡萄皮籽粉与去离子水混合，并进行超声处理，得到碳点前体溶液；将碳点前体溶液，进行高温高压水热处理，得到碳点溶液；再将所得的碳点溶液离心，获得的上清液冷冻干燥，得到碳点粉末；最后将明胶、甘油溶于蒸馏水中，再将碳点粉末溶于上述混合物中，得到液态碳点。利用葡萄生产加工的副产物通过水热合成法合成绿色、环保、高效的液态碳点，并将其应用到糙米等杂粮中，延长贮藏期的同时提高其口感，拓宽其在食品包材中的应用，具有极大可行性。

一种基于静电纺丝硅碳负极材料及其制备方法及应用

Resumen de: CN120191938A

本发明公开了一种基于静电纺丝的硅碳自支撑柔性负极材料的制备方法及其在锂离子电池中的应用。所述制备方法可使亚硅颗粒在碳纳米纤维材料中原位生成，且包覆效果良好，具有较好的柔韧性，可直接作为锂离子电池负极材料来提高锂离子电池的电化学性能。

一种大厚度、大密度、高纯度垂直碳纳米管阵列热界面材料的制备方法

Resumen de: CN120193245A

本发明提供一种大厚度、大密度、高纯度垂直碳纳米管阵列热界面材料的制备方法，涉及垂直碳纳米管阵列热界面材料技术领域，包括以下步骤：以C2H4为碳前驱体，He为惰性保护气，Ar/H2为还原气体，Al2O3为过渡层，Fe为催化剂层进行配料；利用电子束蒸镀法，将Al2O3和Fe在Si基底上进行沉积，得到基底材料；将制备的基底材料清洗后烘干；将清洗后的基底放置于管式炉的石英舟内，在He气保护作用下，将炉温升至550‑600℃，同时阶梯式通入Ar/H2，继续升温至750‑800℃，通入C2H4进行垂直碳纳米管阵列的生长，得到所述大厚度、大密度、高纯度垂直碳纳米管阵列。本发明避免了低浓度催化剂带来的低矮型垂直碳纳米管阵列和无定形碳结构，因此能制备大厚度高纯度的垂直碳纳米管阵列薄膜材料。

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

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。

一种复合碳材料、硅碳复合材料、电化学装置和电子装置

Nº publicación: CN120199818A 24/06/2025

Solicitante:

宁德新能源科技有限公司

Resumen de: CN120199818A

本申请提供了一种复合碳材料、硅碳复合材料、电化学装置和电子装置，复合碳材料包括金属颗粒和多孔碳基体，金属颗粒的颗粒尺寸为1nm至8nm；基于复合碳材料的质量，金属颗粒的质量百分含量为0.1％至10％。本申请的电化学装置具有良好的循环性能、倍率性能和安全性能。