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一种转角二维材料的干法转移方法

Resumen de: CN120208291A

本发明属于二维材料制备领域，具体为一种转角二维材料的干法转移方法。本发明一方面通过拆分的步骤机理，采用多种有机聚合物辅助，避免杂质的引入；另一方面利用二维材料在h‑BN界面滑动不超出其平面几何形状的机理，通过激光裁剪将二维材料“锁定”在h‑BN的几何界面上，显著降低了二维材料在转移过程中出现褶皱、气泡以及滑移的概率，同时减小体系内应力，从而提高转角二维材料转移角度的精确性；并且转角二维材料间不出现滑移、牵拉等现象，晶格畸变也会减弱，进一步提高了转角二维材料的质量。本发明为构建高质量强关联物理平台提供了可靠的技术支撑，利于在新型量子器件等领域展现出更为广泛的应用。

含磷复合负极材料及其制备方法、负极片和电池

Resumen de: CN120221611A

本发明涉及电池技术领域，具体涉及一种含磷复合负极材料及其制备方法、负极片和电池。所提供的含磷复合负极材料，包括：磷基负极材料和碳复合多金属氧化物；所述碳复合多金属氧化物具有多孔结构，所述磷基负极材料附着于所述多孔结构中。该含磷复合负极材料的制备方法，包括以下步骤：提供包含金属有机框架化合物的前驱体溶液；将前驱体溶液和磷源混合，得到混合溶液，将混合溶液在第一加热温度下反应第一时间，得到磷分布在金属有机框架材料孔隙中的复合材料溶液；将复合材料溶液进行热处理，得到含磷复合负极材料。还提供一种电池，包括所提供的含磷复合负极材料。本申请可以缓解当前钠离子电池负极材料的体积膨胀等问题，可提高循环稳定性。

一种内填充无机盐的碳纳米管材料及制备方法和抽滤装置

Resumen de: CN120208211A

本发明公开了一种内填充无机盐的碳纳米管材料及制备方法和抽滤装置，包括以下步骤：S1，将碳纳米管进行预处理获得尖端打开的碳纳米管；S2，将尖端打开的碳纳米管加入到含有金属盐离子的溶液中，搅拌均匀后获得悬浮液；S3，利用内填充抽滤装置对悬浮液进行一次抽滤，在一次抽滤过程中抽滤压力从常压逐渐调至10‑7mbar，根据液滴滴落振动频次曲线确定二次抽滤压力；S4，对悬浮液进行二次抽滤，采用步骤S3确定的二次抽滤压力，获得前驱体；S5，将前驱体在保护气氛下进行煅烧，获得内填充无机盐的碳纳米管材料，其外表面洁净程度和产品的均一性得到明显提升，在应用于锂离子电池负极时具有较高的倍率性能和循环稳定性。

一种多孔炭材料及其制备方法和锂离子电池

Resumen de: CN120208192A

本发明属于电池材料领域，公开了一种多孔炭材料具有类荷叶状结构。其制备方法：将生物质粉末与水混合后进行微波辅助水热反应，得到碳纳米点悬浮液；将碳纳米点悬浮液置于旋转冷冻设备中进行旋转冷冻，得到类荷叶状结构的多孔炭前驱体；将多孔炭前驱体在管式炉中煅烧，随后酸洗，得到具有类荷叶状结构的多孔炭材料。本发明的多孔炭材料具有类荷叶状结构，这种独特的结构通过微纳多孔网络和化学键连接，具备荷叶部分特征，如良好的应力分散能力；这种独特的结构为硅颗粒在充电过程中的体积膨胀提供了缓冲空间，能够有效分散应力，减少因体积膨胀导致的机械破坏，提高材料的循环稳定性。

碳纳米管的制备方法及碳纳米管、导电浆料

Resumen de: CN120208208A

本申请实施例涉及一种碳纳米管的制备方法及碳纳米管、导电浆料。碳纳米管的制备方法包括：对碳纳米管初始粉体进行预氧化处理，得到预氧化后的碳纳米管粉体；将预氧化后的碳纳米管粉体与溶剂混合，得到具有第一固含量的碳纳米管湿料；将具有第一固含量的碳纳米管湿料与具有第一质量分数的酸溶液混合均匀，并进行加热处理，得到具有第二质量分数的碳纳米管混合液；将具有第二质量分数的碳纳米管混合液过滤，并水洗至中性，得到具有第二固含量的碳纳米管湿料；对具有第二固含量的碳纳米管湿料进行烘干处理，得到碳纳米管。如此，有利于酸溶液对碳纳米管粉体表面进一步润湿，降低润湿难度，提高了酸洗提纯过程中碳纳米管的固含量。

硅碳负极材料、制备方法及其应用

Resumen de: CN120221632A

本发明公开了一种硅碳负极材料、制备方法及其应用，包括硅核；包裹所述硅核的碳壳；多个定向排列的石墨烯片，所述石墨烯片一端与硅核接触，另一端延伸至与碳壳接触，且相邻石墨烯片之间形成空隙。该结构通过石墨烯片的定向排列和碳壳的致密包覆协同作用，显著降低界面接触电阻并缓解硅核体积膨胀应力，提升材料的导电性、机械稳定性和振实密度。

一种B, N共掺杂碳纳米管负载铜铁双金属氧化物催化剂及其制备与应用

Resumen de: CN120210859A

本发明涉及一种B,N共掺杂碳纳米管负载铜铁双金属氧化物催化剂及其制备与应用，本发明通过煅烧法制备得到了B,N共掺杂的碳纳米管，并通过浸泡吸附法使金属离子吸附于碳材料表面，然后置于管式炉中，在氩气氛围中进行高温热解，可以通过对金属离子浓度、比例、温度的调控实现对碳材料表面金属活性位点的大小密度调控，构建双金属氧化物团簇结构。本发明获得的碳纳米管材料既保留了碳材料自身的完整结构，又在表面构造负载了大量的铜铁双金属氧化物团簇，制备得到有效促进电催化硝酸盐还原产氨材料，能够有效增加硝酸盐还原性能，收率有明显提升，在‑0.8VRHE的电位下可以达到95.2 mgh‑1mgcat‑1的产氨速率和91.3%的法拉第效率。

一种三七多糖碳量子点化聚合物及其制备方法和应用

Resumen de: CN120208212A

本发明涉及医用纳米材料技术领域，具体公开了一种三七多糖碳量子点化聚合物及其制备方法和应用。三七多糖碳量子点化聚合物的制备方法包括S1、从三七提取总皂苷后的药渣中提取三七多糖；S2、将三七多糖按照比例1g:（10~40）mL分散于水中，于200~300℃进行水热反应1~3h后，冷却至室温；S3、超声处理，离心取上清液，过滤并透析纯化，透析使用截留分子量为500~800D的透析袋；S4、将透析后的溶液冷冻干燥，得到三七多糖碳量子点化聚合物。采用本发明提供的三七多糖碳量子点化聚合物制备医用敷料，呈海绵状，止血效果显著，小鼠肝脏损伤模型结果显示止血时间仅需约56s。

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.

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.

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.

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.

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).

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.

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.

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).

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

Nº publicación: CN120191938A 24/06/2025

Solicitante:

华南师范大学

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。