Resumen de: CN121376978A
本发明涉及一种室温磷光碳点@非晶氧化铝材料及其制备方法,所述制备方法以下步骤:称取0.5g异丙醇铝,充分研磨后,通过马弗炉煅烧,得到室温磷光碳点@非晶氧化铝材料。其特征是室温磷光碳点@非晶氧化铝材料通过一步煅烧法直接获得的。另外,在室温磷光碳点@非晶氧化铝材料中实现了长寿命磷光和长肉眼可见时间,其磷光寿命达437.2毫秒,关闭紫外灯后肉眼可见青色磷光达6秒。制备所使用的药品均无毒无害且价格低廉,且制备简单所用时间短。制备的室温磷光碳点@非晶氧化铝材料能成功应用于信息加密等领域。
Resumen de: CN121376993A
本申请涉及复合材料技术领域,尤其是涉及一种气泡辅助—液相机械剥离法制备类寡层石墨烯的方法。该方法包括:S1、气泡生成与插层处理:将石墨浆料、发泡剂及分散剂置于反应釜中,在反应温度80℃至100℃下进行反应,反应持续进行直至石墨层间距扩大至预设范围01;S2、破碎与洗涤处理:将步骤一步骤S1得到的石墨浆料置入高剪切洗涤装置中,进行高转速下的破碎和洗涤处理,并通入纯水清洗至电导率探测器测量数值为50us/cm至100us/cm;S3、冷冻干燥处理:将步骤二步骤S2得到的石墨洗涤料置于冷冻干燥机中,通过预冻和升华干燥进行膨胀处理,其中预冻温度为‑70℃至‑90℃。本申请通过多层次实验设计利用气泡膨胀、机械剪切、冷冻干燥协同作用,实现了类寡层石墨烯层数和厚度的可控。
Resumen de: CN121377011A
本发明公开了一种低膨胀低内阻CVD硅碳复合材料及其制备方法和应用。所述制备方法包括:S1.将氧交联沥青与芳香族硼源混合交联并破碎;S2.将交联颗粒在催化性酸液中分散并碳化;S3.将碳化骨架与活化剂进行一体化碳化‑活化得到多孔碳;S4.在多孔碳上先低温沉积硅,再升温进行硼掺杂;S5.进行碳层包覆得最终产品。本发明通过氧‑硼协同交联与低温两步CVD工艺,在分子层面调控材料结构,制得的硅碳复合材料具有独特的“多孔碳‑硅‑碳包覆层”复合结构,兼具低体积膨胀率(<18%)、低电阻率和高克容量特性,同时展现优异柔韧性,弯曲半径<5.5mm,适用于动力电池、柔性可穿戴设备、超级电容器等多个领域。
Resumen de: CN121376986A
本申请提供一种石墨烯导热膜及其制备方法,包括以下步骤:将纤维素纳米晶与氧化石墨烯料饼、氨水以及去离子水进行混合配置成浆料并涂布成氧化石墨烯膜,将所述氧化石墨烯膜进行预处理、碳化处理、一次石墨化处理、一次压延处理得到石墨烯导热膜,通过在氧化石墨烯浆料中引入纤维素纳米晶,利用其自身的官能团以及刚性棒状结构优势,对氧化石墨烯进行组装有序性和平坦性的提升,其次通过焊接作用抑制膜材的膨胀,减少撕裂缺陷的引入,最后通过原位的缺陷修复,对单原子以及双原子空位进行修补,从而得到高性能高导热的石墨烯导热膜。
Resumen de: CN120015833A
The invention provides metal-loaded ultra-light graphene aerogel for a lithium-sulfur battery and a preparation method of the metal-loaded ultra-light graphene aerogel, and belongs to the field of new energy storage. According to the method, a liquid nitrogen rapid freezing method is adopted, and the metal-loaded ultralight graphene aerogel is obtained. The aerogel provided by the invention has the advantages of light weight, good conductivity, large specific surface area and the like, and is beneficial to adsorption of polysulfide. Meanwhile, the metal particles loaded on the surface of the aerogel can effectively inhibit the shuttle effect and improve the electrode reaction kinetics. Besides, the flexible and conductive graphene aerogel not only can bear volume expansion of sulfur in the lithiation process, but also is beneficial to electron transfer, so that the electrochemical stability of the sulfur positive electrode can be effectively improved. When the composite material is applied to a lithium-sulfur battery, a series of problems of'shuttle effect 'caused by polysulfide, poor rate capability and poor cycling stability caused by poor conductivity of short-chain polysulfide and the like of the lithium-sulfur battery are solved.
Resumen de: CN121376995A
本发明公开了一种用于放射性废液除氚的功能化石墨烯及石墨烯膜的制备方法及应用,功能化石墨烯为由片层结构堆叠形成的片状物质,堆叠的片状结构之间的间距为7.5Å~8.7Å。制备方法包括制备氧化石墨烯粉末;对氧化石墨烯粉末进行磺酸化,得到磺酸化石墨烯气凝胶;对氧化石墨烯粉末进行羧基化,得到羧基化石墨烯;将磺酸化石墨烯气凝胶与羧基化石墨烯混合搅拌,得到功能化石墨烯。本发明中利用功能化石墨烯形成的膜实现对含氚液体中氚的分离,本发明的除氚技术具有反应条件温和、能耗低、易于规模化生产等优点。
Resumen de: CN121376979A
本发明涉及一种铜掺杂碳点纳米酶及其制备方法和应用,铜掺杂碳点纳米酶的制备方法以菠菜粉为前驱体,CuCl2·2H2O为掺杂剂,在稀H2SO4溶剂中采用一步溶剂热法制备铜掺杂碳点纳米酶溶液;得到的产物通过离心、过滤除去不溶物,透析除去杂质,冷冻干燥得到铜掺杂碳点纳米酶。本发明制备方法简单,成本较低,制得的铜掺杂碳点纳米酶具有类过氧化物酶活性、类谷胱甘肽氧化酶活性和光热性能,可催化H2O2产生多种活性氧,并消耗肿瘤细胞过表达的谷胱甘肽,实现对肿瘤细胞的诊断和治疗。本发明联合使用ROS疗法、化学动力学疗法和光热疗法,显著实现了肿瘤消融。
Resumen de: CN121370832A
本发明公开了一种免疫激活抗肿瘤仿生纳米材料及其制备方法与应用,本发明先通过水热法合成紫杉醇来源的碳点(PCDs),其可抑制肿瘤细胞增殖迁移并诱导肿瘤细胞ICD;然后将其与Indoximod组装形成纳米复合体P‑In,最后利用肿瘤细胞膜对其包覆形成仿生化的纳米复合体材料M@P‑In。M@P‑In在诱导ICD的同时能抑制IDO‑1的活性从而减轻肿瘤免疫抑制微环境;而细胞膜的仿生包裹赋予纳米复合体M@P‑In肿瘤靶向能力与BBB穿透能力。
Resumen de: CN121394405A
本发明涉及一种锂电池用多种导电剂复合导电浆料及其制备方法,属于锂电池导电浆料技术领域,在膨胀石墨上负载铁钼催化剂,再原位生长出了垂直定向碳纳米管和横向的石墨烯叶片,增大了比表面积,膨胀石墨作为层状载体,其天然孔隙可均匀负载金属合金催化剂,高温下保持层状骨架不坍塌,为碳材料定向生长提供支撑,在制备成复合导电浆料的时候,电子可沿碳纳米管快速传输,石墨烯叶片则填补碳纳米管间隙,形成无断点的导电网络,大幅缩短电子传输路径,同时丰富的孔隙为锂离子扩散提供通道,从结构根源提升导电效率,其丰富的比表面积并后续氮、硫的负载提供充足的位点。
Resumen de: CN121370946A
本发明公开了一种铁皮石斛基碳量子点作为荧光pH敏感的抗菌剂的应用,所述碳量子点以铁皮石斛为原料,通过反应釜水热反应法制备得到。在本发明提供的应用中,铁皮石斛基碳量子点作为荧光pH敏感的抗菌剂具备优异pH敏感荧光性能和高效广谱抗菌活性:随着pH的下降荧光强度增强,对金黄色葡萄球菌和大肠杆菌均展现出好的抑菌活性;且以中草药铁皮石斛为碳源,以去离子水为溶剂,制备过程极为环保且简便。
Resumen de: CN121372341A
本发明公开了一种新型多壁碳纳米管柱及其制备方法和应用,通过采用羧基化碳纳米管制备得到碳纳米管四氧化三铁,再将羧基化碳纳米管四氧化三铁功能化,制备得到PSA、Fe3O4和N‑甲基‑1‑十八胺键合成一体的新型多壁碳纳米管吸附材料,采用萃取管内装填新型多壁碳纳米管吸附材料制备得到,用于农药残留检测。该方案将新型多壁碳纳米管吸附材料与m‑PFC技术结合使用,可以快速、高效的对紫菀进行农药残留检测,检测结果准确度和精密度也符合要求,为中药材农药残留的快速、高效、微量化检测提供了一种新的技术手段,对于保障中药材的质量和安全具有重要意义。
Resumen de: CN121376981A
本发明公开了一种水蛭碳点及其制备方法与应用,水蛭碳点粒径均一,形貌规整,以水蛭和纯水为原料,经水热反应、离心、透析、冷冻干燥获得。本发明的水蛭碳点更易穿透血脑屏障,毒性低,生物安全性高,抗肿瘤效果好。与传统化疗药物相比,其制作成本低,易于批量生产,作用效果强。可抑制肿瘤细胞增殖、迁移、侵袭,跨血脑屏障等组织屏障,阻滞胶质母细胞瘤细胞周期,抑制胶质母细胞瘤血管新生,促进胶质母细胞瘤的焦亡,逆转乳酸表达,与传统化疗药物联用增强疗效。
Resumen de: CN121377025A
本发明属于纳米粉末材料的技术领域,具体涉及一种碳化锆粉末及其制备工艺。本发明以废弃活性炭为碳源通过酸氧化、碱处理、高温水热钝化等步骤制备得到碳量子点,以硼氢化钠和氧氯化锆为原料通过水相化学还原法制备得到锆量子点,再将纳米尺寸的碳量子点和锆量子点混合后进行焦耳加热高温处理,在极短时间内获得碳化锆粉末,既保证碳化锆粉末具有高纯度,又降低了粉末的粒径,并提升比表面积。
Resumen de: CN121377814A
本发明涉及一种从低质量前驱体大面积制备二维材料单层涂层或膜的方法,所述方法包括:S1二维材料粗制悬浮液的制备;S2基底的预处理;S3单层涂层或膜的制备:粘附‑撕裂过程。本发明利用未纯化的粗制分散液,通过粘附‑撕裂法实现了二维材料单层涂层或膜的直接制备,该涂层具有优异的均匀性和高覆盖率。
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。
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。
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: 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: US20260022018A1
A carbon nanotube, a preparation method and use of same, a secondary battery, a battery module, a battery pack, and an electrical device are disclosed. The carbon nanotube assumes a mace structure formed of a skeleton carbon nanotube and a branched carbon nanotube, where a weight percent of the branched carbon nanotube is 70 wt % to 90 wt % based on a total weight of the carbon nanotube. The carbon nanotube is so dispersible that the carbon nanotube can be added as a conductive agent directly into a preparation system of a negative electrode plate of the secondary battery without a need for any other dispersants. In addition, the carbon nanotube is ensured to be highly conductive, thereby ensuring a high conductivity of the negative electrode plate in the secondary battery.
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: WO2026016615A1
The present invention relates to the technical field of carbon nanotube dispersion, and specifically relates to a carbon nanotube dispersion nozzle, a device, and a method. The dispersion nozzle comprises a tube body and a dispersion mechanism; the tube body comprises a tubular main body, a cavity located within the main body, and an inlet and an outlet located at two ends of the main body, the inlet and outlet each being in communication with the cavity; the dispersion mechanism is plugged into the cavity, and comprises a dispersion wall, and dispersion holes disposed on the dispersion wall, the Mohs hardness of the dispersion wall being greater than or equal to 8. Without the need to mix in a high proportion of medium, or even without needing a mixing medium, production costs are reduced, and high-quality carbon nanotubes can be obtained, expanding the application and development of carbon nanotubes.
Resumen de: US20260022019A1
This invention relates to a method for manufacturing semiconducting carbon nanotube (s-SWNT) films and thermoelectric (TE) devices based thereon. It specifically concerns obtaining self-doped s-SWNT films by controlling the addition of minute quantities of metallic carbon nanotubes (m-SWNTs) through a repetitive filtration (RF) process, and subsequently manufacturing high-performance TE devices based on these films.
Resumen de: EP4682631A1
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 (g/km) is in a range of 0.2 to 10, and provided is a pellicle and a method of manufacturing a carbon sheet for pellicle that is free-standing and have an excellent transmittance against UV rays.
Nº publicación: GB2642745A 21/01/2026
Solicitante:
CDOTBIO LTD [GB]
CDotBio Limited
Resumen de: GB2642745A
Carbon nanodot (CND) compounds comprising a CND core that is functionalized on the surface with a polyethyleneimine polymer are claimed as are a CND-nucleic acid. Methods of making CND compounds and their complexes with nucleic acids are also disclosed. Uses of the compounds as delivery agents for nucleic acids to the cells of insects and plants are also disclosed. The compounds may also protect the nucleic acids from nucleases, specifically in an insect gut. The complexes may be used to prevent pests from damaging post-harvest flowers or vegetables. Preferably, the carbon nanodot cores are not made from polyethyleneimine but are instead made by heating an amino-sugar and an amino-acid. In a preferred embodiment, the amino-sugar is glucosamine, and the amino-acid is beta-alanine.