Resumen de: CN121426189A
本发明属于电化学储能材料与制备方法技术领域,公开了一种放射状石墨烯/磁性金属氧化物/硬碳复合材料及其制备方法和应用,用以解决现有硬碳负极材料电化学性能差的技术问题。通过对钛酸四丁酯热解、刻蚀与热处理得到富含介孔的硬碳材料,再通过金属盐吸附与焦耳热冲击在介孔内原位生成尺寸小于10 nm的磁性金属化合物纳米颗粒,之后通过化学气相沉积的方法在硬碳材料表面生长放射状石墨烯,从而得到放射状石墨烯/磁性金属氧化物/硬碳复合材料。本发明的制备方法兼顾创新性、可重复性与工业放大可能,有效克服了传统硬碳基负极材料电荷传输效率低下的难题。
Resumen de: CN121426075A
本发涉及锂离子电池正极材料领域,公开了一种以工业草酸除铁锈副产物为原料制备磷酸铁锂的方法及其应用。将工业草酸除锈废液中加入还原剂将草酸亚铁沉淀,经洗涤、干燥后,得到纯度≥ 98%的草酸亚铁FeC2O4·2H2O;按Li:Fe:P的摩尔比为(1.05‑1.1):1:1的比例,将草酸亚铁、锂源、磷源、聚乙二醇二丙烯酸酯混合后,加水在100‑120℃下水热反应1‑2h;将混合原料加入碳源与溶剂进行湿法球磨,得到前驱体浆料;在惰性气氛下,以5‑10℃/min升温至650~750℃,保温8‑12小时,得到磷酸铁锂前驱体;将烧结产物粉碎后过400目筛,得到磷酸铁锂成品。本发明利用低成本的工业草酸除铁锈副产物作为原料,通过简便的处理方法制备出电性能优异的磷酸铁锂材料,降低了原料成本,提高了制备磷酸铁锂的经济性。
Resumen de: CN121426096A
本发明公开了一种铁观音茶渣碳点的制备方法,包括如下步骤:S1.茶渣预处理:将铁观音茶叶按照质量体积比2.5g/ml~5g/ml放入蒸馏水浸泡后,过滤,收集茶渣,将茶渣烘干后,得到茶渣粉末;S2.茶渣碳点合成:将步骤S1所得的茶渣粉末与水按质量体积比1g:(25~30)ml混合均匀,得到茶渣悬浮液,将茶渣悬浮液转入聚四氟乙烯反应釜中,通过水热反应后,冷却至室温,得到反应溶液;S3.茶渣碳点第一次纯化:将步骤S2所得的反应溶液抽滤,得到澄清透明溶液,经浓缩,离心,得到上清液。S4.茶渣碳点第二次纯化:将步骤S3所得的上清液过滤,透析,冷冻干燥,得到铁观音茶渣碳点。本发明还公开了以上方法制备得到的茶渣碳点及其应用。本发明原料廉价易得,工艺简单,绿色环保,制备的铁观音茶渣碳点对金黄色葡萄球菌、单增李斯特菌、沙门氏菌、大肠杆菌具有良好的抑菌效果和较好的抗氧化活性,能够用于制备抑菌材料。
Resumen de: WO2026020402A1
The present invention provides a black phosphorus/carbon nanotube composite material, a preparation method therefor, and a use thereof. The preparation method comprises the following steps: (S101) preparing a black phosphorus nanosheet solution by means of a stepwise centrifugation-assisted liquid-phase exfoliation method; (S102) preparing a carbon nanotube solution by means of a liquid-phase exfoliation method; and (S103) preparing a black phosphorus/carbon nanotube composite material by means of a hydrothermal method, wherein the black phosphorus/carbon nanotube composite material prepared by means of a chemical synthesis method comprises black phosphorus and single-walled carbon nanotubes which are closely attached to each other, a three-dimensional network constructed by the carbon nanotubes well covers the surface of black phosphorus nanosheets, and the surfaces of the carbon nanotubes are filled with active electrons, so that a more sensitive detection result can be acquired, the Raman detection limit can be reduced, and the black phosphorus/carbon nanotube composite material is suitable for the detection of urinary tract bacteria.
Resumen de: US20260023317A1
Provided is a carbon sheet for pellicle that includes a bundle composed of a plurality of carbon nanotubes, and a ratio (P/D) of porosity P to linear density D (in grams per kilometer g/km) is within a range of 0.2 to 10. Also provided is a pellicle that includes the carbon sheet and a pellicle frame configured to support it. The carbon sheet is free-standing and exhibits excellent transmittance with respect to ultraviolet rays, including extreme ultraviolet radiation. Further provided is a method for manufacturing the carbon sheet, which includes forming the bundle of carbon nanotubes by reacting a source material under controlled conditions. This method enables the formation of a carbon sheet that maintains mechanical stability while achieving high ultraviolet transmittance, suitable for use in photolithography processes.
Resumen de: US20260028229A1
The present invention relates to a carbon nanotube dispersion to which an auxiliary dispersant containing polyethylene glycol, polystyrene, and a cellulose-based component is applied, and a method for preparing the same, and the carbon nanotube dispersion of the present invention has excellent viscosity stability during room-temperature and high-temperature storage.
Resumen de: WO2026022841A1
The present invention discloses a radial mixing system (100) and method (800) designed to enhance carbon conversion and selectively synthesize semiconducting single-walled carbon nanotube (SWCNT) fibers via floating catalyst chemical vapor deposition (FC-CVD). A mixed solution of a carbon source, catalyst precursor, and promotor in specified atomic ratios, is prepared. This solution is vaporized in a preheater (106) and the resulting vapors are introduced into a reactor (102) maintained at predefined temperatures. A fan (104), rotating at a defined RPM, facilitates mixing in the evaporation and re-nucleation zones. The process yields cylindrical SWCNT aerogels (108) in the re-nucleation zone, which exit the reactor via carrier gas flow. Subsequent condensation in a water bath unit (112) converts the aerogels into SWCNT fibers (114), collected efficiently on a rotating roller (120).
Resumen de: EP4685109A1
The present invention discloses a plasma modification preparation method of a silicon-carbon composite material, and a silicon-carbon composite material and a use thereof. The preparation method includes at least operation steps of: S10). placing aminated porous carbon in a deposition chamber, introducing a silane gas into the deposition chamber, and depositing nano-silicon in the aminated porous carbon, to obtain a silicon-carbon precursor material; S20). transferring the silicon-carbon precursor material to a plasma method modification chamber, introducing a halogen gas in a plasma manner, and depositing generated halide ions on a surface of the silicon-carbon precursor material, to obtain a silicon-carbon precursor material coated with halogenated carbon; and S30). stopping introducing the halogen gas, and introducing a carbon source gas in the plasma manner, to obtain the silicon-carbon composite material. The obtained silicon-carbon composite material has a stable core-shell structure, which can significantly alleviate silicon expansion problems and significantly improve cycle performance of a battery to which the silicon-carbon composite material is applied. In addition, the present application has a simple process, the silicon-carbon material is modified according to a plasma method, and the silicon-carbon composite material is easily prepared in batches and is easily industrialized on a scale.
Resumen de: EP4685839A1
Disclosed is a method and a system for chemical vapor deposition. A collection valve between a reactor and a collection chamber and a purge valve between the collection valve and the collection chamber is open while a bypass valve for the collection chamber is open for purging debris from between the collection valve and the bypass valve through the bypass valve. Thereafter, the purge valve is closed and the collection valve open for directing the deposition product from the reactor to the collection chamber for treatment.
Resumen de: CN121002657A
A method of manufacturing a thermal interface film, the method comprising: providing a stack (100) (200) of graphene-based films (101); pressing the stack of graphene-based films (202) between a first mold (102, 402) and a second mold (104, 404) to form a compressed film (106) wherein at least one of the first and second molds has a profiled surface; infiltrating (204) a polymer (108) in the compressed membrane, forming an infiltrated membrane (110); curing (206) the permeated membrane (110); and cutting the cured and permeated membrane (208) in a direction perpendicular to the plane of the graphene-based membrane to form a graphene-enhanced thermal interface pad (116).
Resumen de: CN121405071A
本发明涉及钠离子电池负极材料技术领域,具体涉及一种氮硫共掺杂碳纳米微球及制备方法和应用。制备方法包括:将可溶性铁盐、碳源和咪唑二腈胺盐类离子液体共同溶解于水中,进行水热反应,得到富氮核芯;将富氮核芯和咪唑硫酸氢盐类离子液体混合,得到混合物;将可溶性钴盐负载于混合物表面,并进行热解,得到核壳结构前驱体;在NH3氛围中,将核壳结构前驱体进行热处理,得到具有核壳分区掺杂结构和梯度扩展的层间距的氮硫共掺杂碳纳米微球,解决了现有钠离子电池碳负极层间距不足、掺杂分布随机、结构稳定性差的问题;此外,本发明通过分步热解和双金属催化,克服了现有工艺复杂,不适合规模化制备的缺陷。
Resumen de: WO2024157274A1
The invention provides a reaction apparatus arrangement for generation of single wall carbon nanotubes, the arrangement includes an injector tube having a broad end and a narrow end, an injector and an inner tube. The injector includes a first end, a means for circulation of gas formed on the walls of the injector, a hollow chamber for the reaction to occur and a second end. The first end of the injector is configured to receive the narrow end of the injector tube. The diameter of the inner tube is lesser than the diameter of the second end of the injector to allow thermal expansion of the inner tube into the hollow chamber of the injector. The hollow chamber of the injector is configured for mixing of the stream of CO maintained at temperature of 850°C to 1200°C and the stream of CO along with the catalyst maintained at a temperature ranging from 6°C to 100°C and generating single wall carbon nanotubes.
Resumen de: CN121405072A
本发明公开了一种反应及工程一体化的多壁碳纳米管制备方法,该制备方法包含以下步骤:(1)将板材均匀涂覆氧化铝溶液,将涂覆后的氧化铝薄膜基材进行干燥、高温烧结,使其转化为具备载体功能的基材;(2)配置前驱体溶液,将前驱体溶液喷射在步骤(1)制备得到的具备载体功能的基材上,烘干液膜后进行焙烧处理;(3)将步骤(2)制备得到的基材制成具备特定长度恒温区的反应器;(4)在载气保护下,将反应器升温,通入碳源,反应后得到碳纳米管产品。本发明降低了催化剂堆积密度,明显提高了活性金属层分布的均一性,进而提高了碳纳米管产品纯度,降低了碳纳米管产品缺陷产生。
Resumen de: CN121406151A
本发明公开一种碳纳米管层、光伏玻璃、石蜡/碳纳米管复合物及其制备方法,属于光伏技术领域。该石蜡/碳纳米管复合物的制备方法,包括:将多壁碳纳米管置于混合酸溶液中,之后在60℃~90℃下回流反应得到羧基化碳纳米管;所述混合酸溶液为浓硝酸和浓硫酸的混合酸溶液;将石蜡在高于其相变点的油浴或水浴中加热熔融;将羧基化碳纳米管加入至熔融的石蜡,在超声作用下搅拌得到石蜡/碳纳米管复合物。本发明还提出一种光伏玻璃,从上往下依次包括:导光层、碳纳米管层、发电层和密封层。本发明提出的石蜡/碳纳米管复合物有效提升光伏玻璃的转化效率。
Resumen de: US2025230049A1
Provided is a method of manufacturing a carbon nano material based on a machine learning model. The method includes obtaining first control information on a process of synthesizing carbon nano material. The method includes obtaining analysis information on the synthesized carbon nano material in real time based on the first control information. The method includes managing the first control information and the analysis information in a database. The method includes training a machine learning model using information managed in the database. The method includes synthesizing the carbon nano material by applying second control information in which the first control information for the process is adjusted based on the trained machine learning model.
Resumen de: CN121416442A
提供了负电极活性物质、包括该负电极活性物质的可再充电锂电池和用于制备该负电极活性物质的方法。负电极活性物质包括其中聚集至少两个复合体的聚集体和环绕(例如,围绕)聚集体的涂覆层,复合体均包括硅(Si)和碳(C),其中,复合体均包括包含结晶硅的核、在核上包含非晶硅的第一壳和在第一壳上包含第一非晶碳的第二壳,并且其中,涂覆层包含第二非晶碳。
Resumen de: CN121405073A
本发明公开了一种原位生长氮掺杂碳纳米管的镍钴双金属磷化物的制备方法及应用,其制备方法包括以下步骤:配置氧化石墨烯分散液;向所述氧化石墨烯分散液中依次加入钴源、镍源、嵌段共聚物、磷源和氮源,混合均匀得到混合溶液;将混合溶液烘干得到前驱体;将前驱体在惰性气氛下退火,即得。本发明通过调控Ni、Co的比例使碳源在石墨烯上原位生长出碳纳米管,其镍钴双金属磷化物纳米颗粒均匀分布在氮掺杂碳材料上形成氮掺杂碳材料包覆磷化物纳米颗粒复合材料,将其作为锂硫电池的改性隔膜材料。本发明制备方法具有反应条件温和、易于放大和调控的优点,所制备的复合材料且具有较高的比表面积,在能源领域尤其是锂硫电池领域得以应用。
Resumen de: CN121405075A
本申请公开了一种碳纳米管、导电浆料、涂碳箔及制备方法,属于导电材料技术领域。该碳纳米管包含聚吡咯改性的碳纳米管或含双性离子基团聚吡咯接枝的碳纳米管,将该碳纳米管与含苯磺酸基团功能化的粘接剂及其他成分混匀形成导电浆料。该导电浆料即使是久置后也不易沉降,该不易沉降的浆料能够均匀的涂布于金属箔表面,形成流平性好的导电碳层,该导电碳层可以显著降低(正负极材料与金属箔之间的)接触电阻,改善导电性。
Resumen de: FI20245918A1
Disclosed are a chemical vapor deposition system, a gas curtain module for a gas distribution system of a chemical vapor deposition system, and a method of valve control for such system. The gas distribution system for transferring the deposition product from the reactor to the collection chamber comprises a gas curtain module positioned in the pipeline between the gas flow inlet and the collection valve, wherein the gas curtain module comprises one or more purging gas inlets and is configured to introduce a purging gas into the pipeline at its position.
Resumen de: FI20245917A1
Disclosed is a method (800) and a system (100) for chemical vapor deposition. A collection valve (140) between a reactor (110) and a collection chamber (120) and a purge valve (144) between the collection valve and the collection chamber is open while a bypass valve (142) for the collection chamber is open for purging debris (160) from between the collection valve and the bypass valve through the bypass valve. Thereafter, the purge valve is closed and the collection valve open for directing the deposition product from the reactor to the collection chamber for treatment.
Resumen de: CN121372252A
本发明提供一种石墨烯制备装置,涉及石墨烯生产制造技术领域。该石墨烯制备装置包括反应腔、微波发生组件和进料组件,微波发生组件与所述反应腔连通;进料组件与所述反应腔连通,所述微波发生组件被配置为向所述反应腔提供微波,所述进料组件被配置为向所述反应腔提供反应气体,使所述反应腔内形成石墨烯;其中,反应气体在反应腔内的流动方向和微波在反应腔内的传输方向平行设置。即使石墨烯在反应腔内存在积碳也不会阻碍微波发生组件微波能量的输出,无需脉冲刻蚀就能实现石墨烯持续生长,生长过程不间断、连续,优化了制备工艺方法,提高生产效率,减少能源消耗,降低生产成本。
Resumen de: CN121376987A
本发明涉及一种氧掺杂锯齿状石墨烯纳米带的制备方法,属于纳米材料技术领域。制备金单晶基底;1,5‑dibromonaphthalene‑2,6‑diol前驱体分子蒸发并沉积在金单晶基底得到基底和沉积在基底上的二维DBNDO自组装网络结构,沉积过程控制基底上的DBBPA自组装结构和金单晶基底温度为25~30℃;将基底和沉积在基底上的DBNDO自组装网络结构进行第一次升温至生长温度保温并进行退火处理以获得乌尔曼反应以及脱氢环化反应后的产物。该方法为精准制备氧掺杂锯齿状石墨烯纳米带提供了新思路,具有较高的科研价值及应用潜力。
Resumen de: CN121376980A
本发明涉及生物医药应用领域,本发明提供了一种用于抗菌及成骨的铜掺杂碳点及其制备方法和应用,通过微波辅助水热法,使一价态铜离子惨杂于表面带有负电荷碳点的表面上得到;所述一价态铜离子在所述铜掺杂碳点中的含量为3%~10%。本发明中的铜掺杂碳点不仅具有ROS产生介导的类铜死亡样抗菌性能,其表现出明显的表面负电荷,这能引发铜掺杂碳点与骨髓间充质干细胞之间的静电相互作用,然后触发BMP/SMAD途径的下游激活,负电荷促进的成骨分化和Cu触发的类铜死亡以及CDT的协同抗菌作用,进而实现2个月后使颅骨的感染性骨缺损完全愈合。
Resumen de: CN121380926A
本发明涉及控制系统技术领域,公开了碳纳米管CVD生长炉温度场多区域协同控制方法及系统,包括获取多个温区的实时温度,计算各温区的温度偏差;计算实际温度梯度,若实际温度梯度的变化率超过预设阈值,则计算梯度维持偏差,否则梯度维持偏差为零;计算增益权重;计算对各温区的预测性热扰动补偿量;计算第一控制项;预测性热扰动补偿量构成第二控制项;梯度前馈校正量构成第三控制项,梯度前馈校正量与温区的梯度维持偏差成比例;将第一控制项、第二控制项与第三控制项的和作为温区的功率控制量。本发明实现了局部温度控制与整体温度的统一协调,为碳纳米管生长提供了稳定的热环境,提高了碳纳米管生长的一致性和均匀性。
Nº publicación: CN121394338A 23/01/2026
Solicitante:
安徽国轩新能源汽车科技有限公司
Resumen de: CN121394338A
本申请公开了一种具有长循环寿命的复合负极材料及其制备方法,涉及锂离子电池负极材料技术领域,复合负极材料包括以下质量百分含量的原料组分:多孔纳米硅20%‑30%、碳化硅掺杂石墨烯粉30%‑35%和余量的磺酸盐包覆石墨粉;其中,多孔纳米硅优选为25%,碳化硅掺杂石墨烯粉优选为32%,磺酸盐包覆石墨粉优先为43%,磺酸盐包覆石墨粉提升离子传导,多孔纳米硅加快锂离子扩散,碳化硅掺杂石墨烯粉可以有效维持导电性,三者整体协同形成“高容量‑高导电‑高稳定”的复合体系,实现电化学性能的全面优化。