Resumen de: CN120793903A
本发明提供了一种用于检测抗坏血酸的碳量子点纳米酶及其制备方法和应用,涉及比色检测分析技术领域。所述用于检测抗坏血酸的碳量子点纳米酶为由草酸经水热反应制得的碳量子点纳米酶。本发明合成了一种无需金属元素参与的光可控类氧化物酶,其碳量子点的合成过程简便快捷,在抗坏血酸检测领域展现出巨大的应用潜力,有望突破现有检测方法的瓶颈,为快速、高效、环保的抗坏血酸检测提供新的解决方案。
Resumen de: CN120797025A
本发明公开了一种石墨烯负载Pd纳米颗粒催化剂及其制备方法与应用,属于电催化技术领域。本发明将路易斯碱乙二胺四乙酸修饰在氧化石墨烯上,通过氧化还原反应,将Pd2+还原成Pd0均匀的负载在EDTA包覆的氧化石墨烯上,得到石墨烯负载Pd纳米颗粒催化剂。并且该催化剂表现出卓越的还原活性、选择性和稳定性,展示了通过无金属分子功能化载体用于负载贵金属催化剂促进CO2RR反应进行的新思路和可能性。
Resumen de: CN120793915A
一种储存稳定水性多层石墨烯分散体的制备方法及应用,属于新能源电池正极浆料技术领域。本发明依次使用十二烷基苯磺酸钠(SDBS)、聚丙烯酸酯三元共聚物粘结剂(LA132)对水性体系中商用多层石墨烯(m‑GR)进行振荡研磨改性,制备得到储存稳定水性多层石墨烯分散体。该创新方法首次成功制备出在水中具有优异水分散稳定性的改性m‑GRSL分散体系,储存一个月后无沉降现象,可直接作为导电浆料掺入水基锂离子电池正极中,LA132的长分子链结构能够增强m‑GR与活性材料间的界面相互作用,从而显著提升两者的相容性,因此,在锂离子电池领域展现出重要应用价值,为低成本商用m‑GR的高附加值利用提供了新策略。
Resumen de: CN120797016A
本发明公开了一种电解槽用高耐腐蚀铜排的成型加工方法,属于电解槽用的耐腐蚀铜排领域,包括如下步骤:在铜排表面构建由超亲水微区与超疏水微区交错排列形成的仿生界面结构,其中所述超亲水微区与超疏水微区的接触角差值不小于80°,用于引导电解液在铜排表面产生空间选择性润湿分布;通过在铜排表面构建反向曲率凹陷区与电导率梯度区段的拓扑扰动结构,使得局部电流密度峰值被打散与迁移路径受控,进而达到界面电位分布均匀化与点蚀萌生概率降低,解决了电流密度集中诱发的快速局部腐蚀扩展问题。
Resumen de: CN120793906A
本发明公开了一种具有铁载体功能的植物多酚碳点及其制备方法和应用,属于碳点制备技术领域;一种具有铁载体功能的植物多酚碳点的制备方法,包括以下步骤:将植物多酚和亚硫酸钠溶解于水中,得到混合液;将所述混合液依次进行水热反应、冷却、离心、过滤、透析和冷冻干燥,得到所述植物多酚碳点。通过本发明制备方法制备得到的植物多酚碳点具有粒径小、携带负电荷、低毒性、生物相容性好,成本低、产率高,工艺简单的优点,且在高效螯合三价铁离子以及辅助铁元素摄取方面具有良好的应用前景。
Resumen de: CN120794029A
一种氮掺杂双碳层多孔二硫化钴材料及其制备方法与应用,属于钠离子电池技术领域。所述方法为:将钴盐与有机配体搅拌形成钴基金属有机框架,预碳化得到碳化ZIF‑67基底;将含氮有机物通过马弗炉碳化得到;将碳化ZIF‑67基底和在冰浴条件下与聚合物混合;将聚合物包覆通过管式炉碳化,得到复合材料;将复合材料通过硫粉硫化,得到氮掺杂双碳层多孔二硫化钴材料。本发明的制备方法简单、成本低廉,易于规模化生产。通过调控MOF前驱体和双碳层的合成条件,可进一步优化材料的形貌和性能,为高性能钠离子电池负极材料的开发提供了重要参考。
Resumen de: CN120793900A
本发明公开了一种基于棉花秸秆的碳点及其制备方法和在植物促生和耐盐胁迫中的应用,以来源广泛的废弃棉花秸秆为碳源制备碳点材料,通过水热法和超声波法将废弃棉花秸秆转化为纳米级碳点材料,工艺简单高效,符合循环经济理念。所得碳点溶液具有优异的生物相容性和低毒性,在200mg/L浓度下可显著促进棉花、燕麦草等植物的生长发育,同时能有效缓解盐胁迫对植物的损害。该碳点兼具促植物生长发育和盐胁迫耐受剂功能,为盐碱地修复及农业可持续发展提供了创新性解决方案。
Resumen de: CN119409177A
The invention discloses a nucleic acid dye and application thereof in nucleic acid detection, and belongs to the technical field of nanometer materials and biology, the nucleic acid dye is licorice root derived carbon dots, the carbon dots are prepared based on licorice roots or licorice root components as precursors for the first time, and the carbon dots are successfully applied to the field of nucleic acid detection. The licorice root derived carbon dots replace traditional dyes to be used in agarose gel electrophoresis, and efficient visual detection of DNA, RNA and plasmids can be achieved.
Resumen de: CN120790928A
本发明公开了一种荷叶碳基铁钴复合中空宽频吸波材料及其制备方法和应用,该复合材料以荷叶为骨架材料,高温处理后制备获得荷叶生物碳,随后将荷叶生物碳与乙酰丙酮铁、乙酰丙酮钴进行反应,然后高温处理制备获得CoFe@CoFe2O4/C复合材料。制备工艺操作相对简单,所需设备常见,反应条件易于控制;原材料成本低廉,能耗较低,有利于大规模生产和广泛应用;制备得到的复合吸波材料具有吸收能力强、有效吸收频段宽的优点,可应用于电磁波的吸收。
Resumen de: CN120793899A
本发明公开了一种可高效产生活性氧且具有靶向能力的近红外碳点的制备方法及应用,属于碳纳米材料技术领域。本发明提供了一种近红外碳点,相比于常规的蓝绿光碳点,其具有组织穿透深度大、生物体自发光干扰小、对组织损伤小等优势。本发明提供的碳点可高效产生单线态氧,具有光动力杀伤肿瘤细胞的能力。另外,利用碳点表面丰富的官能团,表面修饰能够靶向细胞器的分子,使碳点能够精确定位靶向线粒体,相比于无靶向能力的碳点,此碳点对癌细胞的杀伤力更强。
Resumen de: CN120077011A
The present invention relates to a carbon nanotube composition having a bulk density of 500/mm3 to 2500/mm3 as defined by Equation 1, in which carbon nanotubes in the carbon nanotube composition have a high bulk density while maintaining a bundle shape, and thus have excellent dispersibility and productivity.
Resumen de: CN120794407A
本发明属于油气田开发技术领域,公开了一种适用于油气井固井水泥的具有多羧酸结构的碳量子点材料制备方法及应用。该碳量子点材料通过微波法高效制备,制备方法中所用碳源为柠檬酸、丙烯酸、乙酸中的一种或多种组合,所用碳化助剂为尿素、乙二胺、三乙醇胺中的一种或多种组合。所制备的碳量子点材料表面富含强吸附官能团,在油井水泥中加入可有效调控水化产物的形成以调节凝结时长,改善油井水泥石和滤饼微观结构,提升水泥浆控失水能力和水泥石后期抗压强度和致密性。
Resumen de: US2025323273A1
Provided is an electrode slurry carbon nanotube liquid dispersion which improves charge/discharge cycle characteristics. An electrode slurry carbon nanotube liquid dispersion which is one aspect of the present disclosure and contains 0.1-1.5 mass % of carbon nanotubes, a dispersion medium, and carboxymethyl cellulose, the viscosity of which at 100 s−1 in a 3% aqueous solution is 2-200mPa·s, wherein: the carboxymethyl cellulose content constitutes 50-250 parts by mass relative to 100 parts by mass of carbon nanotubes; the viscosity at 100 s−1 is 50-200mPa·s in a state in which the carbon nanotubes are dispersed; and the particle distribution according to the laser diffraction method exhibits a D10 of 0.3-1.0 μm, a D50 of 3-10 μm and a D90 of 60 μm or less in a state in which the carbon nanotubes are dispersed.
Resumen de: WO2025216092A1
Provided are copper nanoparticles that: (I) have excellent dispersibility in an organic solvent and thus makes a paste containing the copper nanoparticles from which a highly smooth coating film can be formed; and (II) have excellent sinterability at low temperatures. At least a portion of the surface layer of each of the copper nanoparticles coated by a reducing agent is a film that contains copper oxide and optionally contains copper carbonate. The surfaces of the copper nanoparticles are coated with a reducing agent, where the mass carbon concentration is 0.10% to 2.00%.
Resumen de: US2025320610A1
Compositions comprising hydrogenated and dehydrogenated graphite comprising a plurality of flakes. At least one flake in ten has a size in excess of ten square micrometers. For example, the flakes can have an average thickness of 10 atomic layers or less.
Resumen de: US2025320368A1
The present application pertains to dispersions comprising individualized carbon nanotubes. The dispersions may comprise at least one additive. The individualized carbon nanotubes have an aspect ratio of 60 to 200, are multiwall, and are present in the range of greater than zero to about 30% by weight based on the total weight of the dispersion.
Resumen de: US2025320123A1
This invention provides a carbon nanotube dispersion capable of achieving high electrical conductivity even with a small amount of carbon nanotube, and an electrically conductive material using the same. A carbon nanotube dispersion of the present invention contains a carbon nanotube, a dispersant, and a binder component. The carbon nanotube is preferably a single-walled carbon nanotube. The binder component is preferably an acrylic resin. An electrically conductive material of the present invention contains a carbon nanotube dispersion described above.
Resumen de: GB2640120A
A semiconductor device 200 comprising: a substrate having a patterned two-dimensional material layer structure 210’ thereon; a gold layer 215’’ on a portion of the two-dimensional material layer structure adjacent an edge thereof; and a contact-stack adjacent the edge of the two-dimensional material layer structure and overlapping the gold layer. The contact-stack comprises: (i) a first metal layer 230’ on a portion of the substrate and on the gold layer, wherein the first metal is selected from titanium and chromium; (ii) a second metal layer 235’ on the first metal layer, wherein the second metal is selected from aluminium, copper, gold, nickel and palladium; and (iii) a third metal layer 340’ on the second metal layer, wherein the third metal is selected from cobalt, chromium, iridium, iron, magnesium, niobium, platinum, ruthenium, silver, tantalum, titanium, titanium nitride, and tungsten. The semiconductor device may be a sensor, such as an electrochemical sensor. The two-dimensional material may be graphene.
Resumen de: CN120772527A
本发明公开了一种制备多壁碳纳米管阵列催化剂的装置及方法,所述制备多壁碳纳米管阵列催化剂的装置包括第一容纳装置、第二容纳装置、以及第三容纳装置。第一容纳装置具有用于容纳高压的惰性气体的第一容纳腔,所述第一容纳腔上具有与其腔内连通的第一接口、以及第一连接接口,所述第一接口呈可选择开闭;第二容纳装置具有用于容纳含金属有机液体的第二容纳腔,所述第二容纳腔具有第二连接接口,所述第二连接接口呈可选择开闭;第三容纳装置具有用于容纳可溶于酸溶液的无机物粉末颗粒的第三容纳腔以及对所述第三容纳腔加热的加热装置,所述第三容纳腔上具有与其腔内连通的第二接口、以及第三连接接口,所述第二接口呈可选择开闭。
Resumen de: CN120774412A
本发明公开了一种通过二氧化硅包覆来扩大碳纳米球介孔孔径的方法。该方法中,首先制备介孔酚醛树脂纳米球,然后在它表面包裹一层二氧化硅,碳化、去除二氧化硅,即可得到孔径较不包覆更大的碳纳米球材料。本发明方法步骤简单,易于操作,不改变材料的形貌和组成,孔径可以扩大4‑10倍,提供了一种新颖的扩孔方法。该材料作为电催化分解水析氧电极材料展现出了优异的活性和广阔的应用前景。
Resumen de: US2025316697A1
Example embodiments include low-resistance positive electrodes, and rechargeable lithium batteries including the same. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes a positive electrode active material in a concentration of about 95.5 wt % to about 99 wt %, a binder in a concentration of about 0.5 wt % to about 1.5 wt %, and a conductive material in a concentration of about 0.5 wt % to about 3 wt %. The conductive material includes nano-carbon particles and carbon nano-tubes. A weight ratio of the carbon nano-tubes to the nano-carbon particles is in a range of about 1.5 to about 3.5.
Resumen de: CN120784306A
本发明提供一种正极活性材料及其制备方法、正极片、电池。正极活性材料包括内核以及包覆于内核至少部分表面的壳层;内核包括LiMn1‑xFexMyPO4;其中,1‑x>0;x>0;y>0;M元素包括Mg、Ca、Sr、Co、Ti、Zr、Ni、Cr、Zn中的一种或多种元素;壳层包括碳元素、氮元素。本发明实施例的正极活性材料具有较好的电子和离子导电能力并且能够稳定正极活性材料中的Mn离子,有利于降低电池的阻抗,提高电池的容量、首次充电效率、容量保持率。
Resumen de: US2025316697A1
Example embodiments include low-resistance positive electrodes, and rechargeable lithium batteries including the same. The positive electrode includes a positive electrode current collector, and a positive electrode active material layer on the positive electrode current collector. The positive electrode active material layer includes a positive electrode active material in a concentration of about 95.5 wt % to about 99 wt %, a binder in a concentration of about 0.5 wt % to about 1.5 wt %, and a conductive material in a concentration of about 0.5 wt % to about 3 wt %. The conductive material includes nano-carbon particles and carbon nano-tubes. A weight ratio of the carbon nano-tubes to the nano-carbon particles is in a range of about 1.5 to about 3.5.
Resumen de: CN120784297A
本发明公开了一种磷酸锰铁锂基正极材料及其制备方法和应用,所述磷酸锰铁锂基正极材料具有双层核壳结构,其中核包括镧掺杂磷酸锰铁锂,中间层为碳层,外壳包括镧酸锂。本发明提供的磷酸锰铁锂基正极材料通过镧掺杂和碳包覆提高了电子导电性和锂离子扩散速率,通过镧酸锂包覆有效抑制了Mn3+的姜泰勒效应导致的结构衰变、阻碍了正极材料与电解液之间的副反应,所得磷酸锰铁锂基正极材料具备优异的倍率性能和循环稳定性,即使在45℃高温下依然具备优秀的电化学性能。本发明还提供了上述磷酸锰铁锂基正极材料的制备方法和应用。
Nº publicación: CN120774414A 14/10/2025
Solicitante:
江苏超碳先烽科技有限公司
Resumen de: CN120774414A
本发明公开了一种单壁碳纳米管磁纯化方法及装置,通过高温氧化与梯度磁场技术协同作用实现高效纯化。该方法包括:在氮气与合成空气混合气氛中450℃热氧化预处理单壁碳纳米管,去除无定形碳并暴露金属杂质;将氧化后的单壁碳纳米管分散于1%脱氧胆酸钠或十二烷基苯磺酸钠溶液中;采用两阶段磁处理:第一阶段利用N48钕磁铁阵列旋转反应器去除强磁性杂质,第二阶段通过N42钕磁铁环形腔室进一步分离纳米管聚集体。装置包括反应腔室、磁铁阵列及电机系统,能耗低至15mW,金属杂质去除率>97%。本发明克服传统离心法高能耗及酸化法结构损伤的缺陷,适用于HiPco、CoMoCAT等多种工艺制备的单壁碳纳米管,兼具高效、环保及工业化应用潜力。