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一种FeNiO/碳纳米管/碳泡沫复合材料及其制备方法和应用

Resumen de: CN121260820A

本发明公开了一种FeNiO/碳纳米管/碳泡沫复合材料及其制备方法和应用，属于锂空气电池材料技术领域。将三聚氰胺泡沫置于镍盐和铁盐组成的混合溶液中，超声处理10‑100min，静置1‑12h，干燥，去除表层附着的金属盐，得FeNi/三聚氰胺泡沫；FeNi/三聚氰胺泡沫置于坩埚下游，碳源置于坩埚上游，盖上坩埚盖；在惰性气体气氛下，以 2‑10℃/min 的升温速率加热至 600‑900℃，保温 5‑240 min，自然冷却至室温；然后在空气气氛下，以 8‑10℃/min 的升温速率加热至 300‑400℃，保温 5‑30min，冷却至室温，得FeNiO/碳纳米管/碳泡沫复合材料。本发明制备的FeNiO/碳纳米管/碳泡沫复合材料在多者协同作用下，电池充放电比容量大幅提高，电池寿命明显延长。

一种生物基手性碳点及其制备方法和应用

Resumen de: CN121247776A

本发明公开了一种生物基手性碳点及其制备方法和应用，属于不对称催化技术领域。本发明所述生物基手性碳点的制备方法，包括以下步骤：将手性氨基酸、铑金属配合物分散于去离子水中进行水热反应，待反应结束后冷却、过滤、去除溶剂得到生物基手性碳点。本发明将过渡金属元素（Rh）掺入碳点（CDs）中，可通过调节其电子结构和表面活性位点显著增强催化性能。不仅可通过表面活性位点实现单体配位聚合，还能通过手性微环境诱导聚合物链的螺旋构象，实现对聚合反应立构选择性的精准调控。这种双功能碳点体系为绿色合成手性高分子材料提供了新思路，尤其在不对称催化领域展现出潜力。

一种多色荧光碳量子点的制备方法

Resumen de: CN121249359A

本发明公开了一种多色荧光碳量子点的制备方法，包括如下步骤：（1）将碳量子点溶解于有机溶剂中，得到碳量子点溶液；该碳量子点经由溶剂热法合成得到，其具有多层结构；（2）将该碳量子点溶液用紫外光或可见光进行不同时间的光照处理，从而获得不同颜色的多色碳量子点溶液；（3）将步骤（2）所得的不同颜色的多色碳量子点溶液在暗环境下蒸发干燥，得到不同颜色的荧光碳量子点粉末。本发明简单其高效，基于自由基刻蚀机制实现结构调控，光照过程可控性强，具备精确调控与快速制备优势。

METHOD OF FORMING GRAPHENE QUANTUM DOTS FROM COAL

Resumen de: US20260001086A1

Upgraded coal, method of forming the same, and graphene films and quantum dots made therefrom. A method of upgrading coal includes cleaning coal to form a cleaned coal residue. The method also includes (A) reacting the cleaned coal residue with an oxidizable inorganic metallic agent, or (B) reacting the cleaned coal residue with a reducing agent, or a combination thereof, to form the upgraded coal.

METHOD FOR MODIFYING MATERIAL THROUGH RAPID SURFACE GRAFTING, AND USE THEREOF

Resumen de: US20260001767A1

A method for modifying a material through rapid surface grafting, and a use thereof are provided. In the method, with an olefin-functionalized nanomaterial as a model matrix, a cycloolefin as a polymerization monomer, a Grubbs catalyst as an initiator, and ethyl vinyl ether as a terminator, surface olefin cross-metathesis is conducted to prepare a polyolefin-grafted nanomaterial. In the use, with a thermoplastic resin as a matrix and the surface-polyolefin-grafted nanomaterial as a reinforcing material, a composite is prepared. The compatibility between the reinforcing material and the thermoplastic resin matrix is evaluated through cross-sectional morphology and mechanical performance characterization. A chain-transfer reaction is adopted as an alternative approach for surface-initiated ring-opening metathesis polymerization to avoid the growth of polymer chains from the surface. This alternative approach can significantly improve a reaction rate, shorten a reaction time, and simplify a technical flow, and demonstrates a promising industrialization prospect.

TWO-DIMENSIONAL METAL NANOSHEETS, PREPARATION METHOD THEREFOR, AND THERMAL INTERFACE MATERIAL

Resumen de: EP4671207A1

The present application discloses a two-dimensional metal nanosheet, its preparation method and thermal interface material, belonging to the field of thermally conductive metal fillers. The method for preparing the two-dimensional metal nanosheet includes the following steps: S1. a mixture containing a nano metal foil and an auxiliary substance is crushed to obtain a dispersion; S2. The present application utilizes a high-purity metal foil with a nanoscale thickness in contact with a brittle substance that is easily soluble or easily etched in a liquid environment. Through high-speed mechanical crushing, the two-dimensional metal nanosheet with the same nanoscale thickness can be obtained. The top-down preparation method makes the prepared two-dimensional metal nanosheet free of obvious lattice defects and impurities, and inherits the high intrinsic properties of the original metal film. When it is applied in the field of thermal conductive fillers, the prepared thermal interface material has high thermal conductivity.

FIBROUS SILICON-CARBON COMPOSITE MATERIAL AND PREPARATION METHOD THEREFOR

Resumen de: EP4672371A1

The present invention discloses a fibrous silicon-carbon composite material and a preparation method therefor. The fibrous silicon-carbon composite material includes a core-shell structure, where a core of the core-shell structure includes a porous carbon fiber and nano-silicon, and a shell of the core-shell structure includes an inorganic lithium salt and amorphous carbon. The present invention has a characteristic of high electronic conductivity, and a lithium-ion battery to which the present invention is applied exhibits an excellent rate capability and excellent cycle performance.

PREPARATION METHOD FOR SILICON-CARBON COMPOSITE MATERIAL AND SILICON-CARBON COMPOSITE MATERIAL

Resumen de: EP4672362A1

The present invention discloses a preparation method of a silicon-carbon composite material and a silicon-carbon composite material. The preparation method includes: preparing a porous carbon-doped porous copper complex, and depositing nano-silicon on the porous carbon-doped porous copper complex according to a silane pyrolysis method, to obtain the silicon-carbon composite material. The preparation of the porous carbon-doped porous copper complex includes at least operation steps of: S11). uniformly mixing carbon disulfide, activated carbon, and a binder, and pressing an obtained mixture into copper foam to form a sheet-like structure; and S12). transferring the sheet-like structure obtained in the step S11) to a carbonization apparatus, and performing heating and carbonization in an inert atmosphere to obtain the porous carbon-doped porous copper complex. In the present invention, the following obvious defects and problems are significantly alleviated: The nano-silicon cannot be completely deposited in porous carbon when only pure porous carbon is used as a substrate for depositing the nano-silicon, thus affecting expansion and high-temperature preservation performance of the silicon-carbon composite material due to exposure of the nano-silicon; and the use of a pure porous metal for depositing the nano-silicon leads to poor consistency and low efficiency.

利用煤矸石制备多无机元素掺杂碳量子点材料的方法

Resumen de: CN121227346A

本发明属于碳纳米材料领域，提出了一种利用煤矸石氧化解聚剥离制备含硅、铝等元素掺杂碳量子点材料的方法；包括煤矸石的筛选和配合、氧化解聚剥离、离心透析膜过滤以及改性、干燥等步骤，通过对原料以及各个步骤进行具体设置，荧光碳点的粒径或荧光性能通过选择性氧化解聚剥离条件而可以进行具体选择设置，使得本发明制备的多无机元素掺杂碳量子点材料的主体粒径保持在1.5~2.0nm范围内，结构稳定，光性能也符合要求，并可进一步改性，有望应用在光伏器材、生物成像、光催化降解有机污染物或传感等领域。

抗血栓药物衍生碳点及其制备方法与应用

Resumen de: CN121225574A

本申请公开了抗血栓药物衍生碳点及其制备方法与应用。包括：选取抗血栓药物作为前驱体，抗血栓药物包括带有药效基团的抗血小板药物、带有药效基团的抗凝血药物及带有药效基团的纤溶药物中的至少一种，且其分子量为100‑2000Da，热稳定性分解温度大于或等于200℃，药效基团包括磺酸基、乙酰氧基、吲哚环和香豆素结构中的至少一种；对前驱体在多个温区内进行梯度碳化处理，多个温区包括能够保留药效基团的低温区、调控碳杂化比例的中温区、进行杂原子掺杂的高温区；进行纯化及干燥处理，得到抗血栓药物衍生碳点。通过该制备方法可以得到兼具溶栓功能与高安全性的抗血栓药物衍生碳点，缓解现有抗血栓药物疗效与安全性失衡的问题。

一种用于心脏靶向的近红外荧光碳点及其制备方法和应用

Resumen de: CN121225575A

本申请提供了一种用于心脏靶向的近红外荧光碳点及其制备方法和应用。通过一步水热法，将亚甲基蓝及普鲁士蓝混合溶解，然后加入锌盐和镍盐，待其混匀后进行水热反应，经分离纯化，透析，冷冻干燥制备出具有优异性能的近红外荧光碳点。本申请通过优化反应条件及掺杂策略，显著提高碳点的近红外荧光强度，并通过心脏靶向肽修饰，具有优异的心脏靶向性能。该方法不仅具有操作简便、成本低、环境友好等优点，还能有效提升碳点在生物医学成像、光学传感及精准治疗中的应用价值。

柔-刚性框架封装的浪花状微米多孔硅负极材料及制备方法和锂离子电池

Resumen de: CN121237857A

本申请属于锂离子电池技术领域，尤其涉及柔‑刚性框架封装的浪花状微米多孔硅负极材料及制备方法和锂离子电池；提供的柔‑刚性框架封装的浪花状微米多孔硅负极材料包括具有丰富且随机分布的孔隙的浪花状微米多孔硅，以及具有强度与韧性的刚性纳米碳层和柔性笼状纳米框架，是一种高性能的硅负极材料，可以用于制备高能量密度、循环稳定性和倍率性能的锂离子电池，解决了现有技术中硅负极材料性能较低的技术问题。

一种强、弱氧化石墨烯共存的高碳含量氧化石墨烯及其制备方法

Resumen de: CN121225580A

本发明提供一种强、弱氧化石墨烯共存的高碳含量氧化石墨烯，所述氧化石墨烯中强氧化石墨烯含量在43‑76%之间，碳含量≥59.8%，导热系数在630‑735mm2/s之间。本发明还提供该氧化石墨烯的制备方法。本发明获得了强、弱氧化石墨烯共存的氧化石墨烯，在碳含量高的同时，制备得到的石墨烯导热膜具有良好的组装有序性及高导热系数，导热性能好。

一种二维多孔碳材料及其制备方法和应用

Resumen de: CN121225573A

本发明公开了一种二维多孔碳材料及其制备方法和应用，属于电解水制氢技术领域。该二维多孔碳材料的制备方法为：将聚丙烯酰胺溶液、还原剂、含硫化合物和金属盐进行搅拌，形成凝胶状空间网络结构后，进行微波水热反应，得到前驱体；将前驱体用水溶性盐溶解后得到混合溶液，然后将混合溶液进行冷冻干燥，得到混合物；将混合物进行退火，退火结束后，水洗得到二维多孔碳材料。本发明制备得到的二维多孔碳材料具有优异的导电性和连续的电子传输路径，为电催化析氢反应提供充分的电极/电解液界面，提高硫化物的电催化效率。

磷酸锰铁前驱体及其制备方法、磷酸锰铁锂和锂离子电池

Resumen de: CN121225556A

本申请公开了一种磷酸锰铁前驱体及其制备方法、磷酸锰铁锂和锂离子电池，涉及电池技术领域。该方法包括：将锰源、铁源、络合剂和氧化剂混合，调节pH至2.0～3.5，反应得到初始沉淀物；加磷源，调pH至4.5～6.0，反应得到锰铁磷酸盐共沉淀物；将共沉淀物和碳源进行溶剂热反应，得到溶剂热产物；产物依次分离、煅烧，得到表面具有碳包覆层的磷酸锰铁前驱体。本申请通过双重pH调控，锰铁共沉淀pH窗口从2.0～5.0缩窄至4.5～6.0，锰铁分布均匀性提高40％以上，提高锰铁元素均匀性；磷酸铁锰锂材料表面碳包覆层有效抑制锰溶出，增强材料结构稳定性；循环1000次后容量保持率从68％提升至88％。

一种聚对苯二甲酸乙二醇酯基碳点及其制备方法和应用

Resumen de: CN121227347A

本发明属于碳点技术领域，提供了一种聚对苯二甲酸乙二醇酯基碳点及其制备方法和应用。本发明的制备方法包含将废聚对苯二甲酸乙二醇酯和乙醇胺进行反应。本发明制备的聚对苯二甲酸乙二醇酯基碳点呈现出近似球形结构，分散性良好，无明显团聚现象；在惰性气氛中具有较高的残炭率，表现出良好的热稳定性和炭化能力；聚对苯二甲酸乙二醇酯基碳点加入至聚酯中进行阻燃改性，在合适的添加量下能够显著提高聚酯的阻燃性能，同时不会使聚酯的力学性能出现大幅度下降。

包含金属硫属元素化合物的纳米结构的超级电容器

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.

一种生物质焦油基碳量子点及其制备方法与应用

Resumen de: CN121225572A

本发明公开了一种生物质焦油基碳量子点及其制备方法与应用，包括：将生物质在惰性气体氛围下进行慢速热解，制得生物油；对生物油进行常压蒸馏，随后将提取得到的生物油残渣经干燥、研磨后加入过氧化氢进行超声处理，形成混合溶液；向混合溶液中加入去离子水，并搅拌形成均匀溶液，随后经离心、透析处理，即得。本发明以生物质焦油作为前驱体制备碳量子点，原料来源广泛、价格低廉且可再生，实现了资源的有效利用，符合绿色环保的理念，且充分利用了生物质焦油的碳含量高的特性，制备工艺操作简单，成本低，收率高，且制得的碳量子点可应用于水体中Fe2+离子的检测，具有优异的荧光性能、良好的稳定性，在水质检测中展现出巨大的应用潜力。

废生物质的高值化利用方法

Resumen de: CN121225577A

本发明公开了一种废生物质的高值化利用方法，该方法首先通过对含有碳元素的废生物质施加电流产生焦耳热，在极短时间内产生高温环境，从而实现生物质的快速碳化。随后无需额外添加导电炭黑或其他助剂，再次施加电流产生焦耳热，在极短时间内产生更加高温的环境，实现生物炭的石墨化转变。与传统的热解、水热、焙烧或化学气相沉积方法相比，闪速焦耳热法具有操作简便、耗时短、能耗低、效率高、安全性高、环境友好等优点，适用于多种生物质资源的高值化利用及石墨烯材料的绿色制备。

ACCRETION OF CARBON NANOTUBES

Resumen de: WO2025264569A1

A method of producing carbon nanotubes is provided in which a Ni-Cu alloy catalyst on a carbon nanotube support is exposed to a light hydrocarbon stream at a temperature ranging from 500-700°C. After exposure, a carbon nanotube product is recovered comprising support carbon nanotubes and accreted nanotubes. The exposure also produces hydrogen.

COMPOSITE MATERIAL

Resumen de: WO2025261635A1

An aspect of the present invention relates to a composite material comprising a foamed substrate having pores and having a three-dimensional structured surface with a void ratio of more than 0.4 and a coating on the three-dimensional structured surface, so that the composite material has a total hemispherical reflectivity of no more than 5% over the entire wavelength range from 400 nm to 2.5 µm and for any angle of incidence lower than 60°, preferably at an angle of incidence lower than 80°, more preferably an angle of incidence lower than 85°.

SOLID-STATE CARBON QUANTUM DOT AND METHOD FOR PRODUCING CARBON QUANTUM DOT COMPOSITION

Resumen de: WO2025263170A1

The present invention addresses the problem of providing a solid-state carbon quantum dot which has a light emission wavelength in a low-wavelength region and which has high internal quantum efficiency. A solid-state carbon quantum dot that solves the above problem comprises a nitrogen atom and an aluminum atom, has an absorption peak in a range of 1290 cm-1 or more and 1310 cm-1 or less and/or a range of 1560 cm-1 or more and 1615 cm-1 or less in measurement by infrared spectroscopy, and has a maximum light emission wavelength of 300-450 nm.

一种高倍率硬碳材料制备方法和应用

Resumen de: CN121202106A

本发明公开了一种高倍率硬碳材料制备方法，包括如下步骤：将前驱体材料与粘胶纤维副产物半纤维素碱溶液混合，进行水热反应，形成包覆、活化后的前驱体材料；将该包覆、活化后的前驱体材料进行碳化，得到碳前驱体，再经洗涤，干燥，粉碎，得到碳包覆的硬碳材料。本发明用以低成本解决倍率性能较低的技术问题。

一种静电纺丝表面原位生长二维MOF的氧还原催化剂及其制备方法

Resumen de: CN121215781A

本发明提供一种静电纺丝表面原位生长二维MOF的氧还原催化剂的制备方法，属于纳米材料的技术领域。首先，以聚丙烯腈PAN、聚甲基丙烯酸甲酯PMMA为原料，通过同轴静电纺丝技术制备中空的碳纳米管HCNFs；其次，在中空碳纳米管HCNFs表面原位生长的二维沸石咪唑骨架ZIF‑L；最后，对ZIF‑L@HCNF进行经过高温煅烧和酸处理，得到ZIF‑L@HCNF‑x复合材料，即得到氧还原催化剂。本发明通过将二维沸石咪唑骨架ZIF‑L生长在具有高长径比的电纺碳纤维HCNFs表面，利用碳纤维交织形成的网络结构，增大催化剂的表面积，解决ZIF‑L纳米片易堆叠的问题，提高催化剂的分散度，有效增大了催化剂与反应物的接触面积。

一种碳纳米管笼@碳泡沫电磁屏蔽复合材料及制备方法和应用

Nº publicación: CN121202109A 26/12/2025

Solicitante:

邢台学院

Resumen de: CN121202109A

本发明公开了一种碳纳米管笼@碳泡沫电磁屏蔽复合材料及制备方法和应用，属于电池屏蔽材料技术领域。将三聚氰胺泡沫浸于镍盐和钴盐组成的混合溶液中，静置4‑24h，取出干燥得CoNi/三聚氰胺泡沫；将碳源置于坩埚下游，步骤（1）CoNi/三聚氰胺泡沫置于坩埚上游，盖上坩埚盖；在惰性气体气氛下，以 2‑10℃/min 的升温速率加热至 600‑1000℃，保温 5‑360 min，自然冷却至室温，得碳纳米管笼@碳泡沫电磁屏蔽复合材料；本发明将过渡金属盐与三聚氰胺泡沫、通过简单的浸泡+热解法制备成碳纳米管笼/泡沫炭复合材料，有望结合过渡金属、氮掺杂碳泡沫及新型碳纳米管笼三者的优势，实现优异的电磁波吸收性能，为解决电磁波污染问题提供新的途径。