Absstract of: 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。
Absstract of: 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。
Absstract of: 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。
Absstract of: 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。
Absstract of: 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。
Absstract of: CN120794000A
本发明涉及一种锂离子电池SnS/C@GO复合负极材料的制备方法,包括以下步骤:1)取SnCl2·2H2O、硫脲和阳离子表面活性剂混合,于恒温50~80℃搅拌;2)将溶液与多孔碳混合,混合超声再搅拌,得溶液A;3)将溶液A放置在反应釜中,在150~200℃下静置,洗涤、干燥;4)将氧化石墨烯溶于乙二醇中超声分散,得溶液B;5)将SnS/C‑X前驱体加到乙二醇中,搅拌和超声,得溶液C;6)将溶液C加入到溶液B中,恒温搅拌,超声,在140~180℃温度下水热,经洗涤、干燥;将其加热至500~700℃保温;再放入酒精、去离子水中洗涤、抽滤、干燥。优点是:提高材料的循环性能和倍率性能。
Absstract of: CN120793914A
本发明公开了一种掺杂二维材料的柔性基底材料及其传感器的制备方法,属于阵列化传感器技术领域。所述电极材料包括二维材料基底、复合掺杂原子层和绝缘隔离层,通过H2等离子体处理形成高密度缺陷位点,结合原子层沉积实现掺杂原子的均匀分布,并采用自对准光刻技术精准集成电极与温敏层。该方案通过复合掺杂协同效应优化二维材料的电子结构,结合多层异质结设计与高精度制备工艺,显著提升电极对微弱压力信号的响应能力,实现传感器在压力与温度检测中的高分辨率与稳定性。本发明在可穿戴设备、医疗监测、机器人触觉感知等领域具有广泛应用前景。
Absstract of: 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.
Absstract of: 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.
Absstract of: 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%.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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.
Absstract of: 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。
Absstract of: 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.
Absstract of: CN120774413A
本发明公开了一种单壁碳纳米管及其制备方法、及装置;所述装置包括催化剂输送单元、碳源输送单元、碳纳米管生长单元以及产物收集单元;催化剂输送单元用于以第一方向通入含环糊精@茂基金属客体超分子复合物的左侧气流,碳源输送单元用于以第二方向通入含碳源的右侧气流,第一方向气流和第二方向气流交汇最终形成指向产物收集单元的向上气流;本发明基于超分子组装实现了催化剂前体的可控释放,促进纳米级催化剂的均一形成,避免了混杂因素对催化剂形成的影响,通过解离、生长直至形成纳米级催化剂颗粒,然后与碳源气流交汇形成涡流迅速生成碳管,并且生成的碳管产物可及时排出,从而实现了碳管的连续化制备。
Absstract of: 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。
Absstract of: 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。
Absstract of: US2025304448A1
One aspect of the present disclosure relates to a nanocarbon composite including (i) a plurality of carbon nanotubes including semiconducting carbon nanotubes in an amount equal to or more than 67% by mass with respect to a total amount of the plurality of carbon nanotubes, and (ii) fibrous carbon nanohorn aggregates adsorbed to the carbon nanotubes, in which the number of the fibrous carbon nanohorn aggregates is equal to or less than one-tenth of the number of the plurality of carbon nanotubes.
Absstract of: CN120771908A
本发明公开了一种具有等离子共振效应的S型异质结构材料的制备方法及应用,包括:将前驱体材料研磨后煅烧,收集固体粉末并在去离子水中回流纯化后收集白色粉末;将白色粉末分散在水合肼溶液中,通过溶剂热反应获得淡黄色溶液,分别使用酸性及碱性试剂反复溶解和沉淀,洗涤、干燥获得淡黄色固体产物;将淡黄色固体产物研磨均匀并置于气氛炉中煅烧,冷却后得到橙色固体粉末;将橙色固体粉末添加到含有钨源的前驱体的有机溶剂中,溶剂热反应结束后经过离心、洗涤、干燥获得具有等离子共振效应的S型异质结构材料。本发明的具有等离子共振效应的S型异质结构材料对于模拟分离去除后处理废水中的铀物种具有较高的效率且表现出较好的抗辐照稳定性。
Absstract of: 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。
Absstract of: 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。
Absstract of: 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.
Absstract of: WO2024173929A2
A catalyst, catalyst precursor, and carbon nanotubes grown using die catalyst. The catalyst includes a. support comprising alumina and a cobalt species on a surface of the support, wherein cobalt is the sole active catalyst species for carbon nanotube growth. The support surface is iron-free.
Nº publicación: CN120757104A 10/10/2025
Applicant:
中国科学院苏州生物医学工程技术研究所
Absstract of: CN120757104A
本发明公开了一种微波辅助的没食子酸碳点的制备方法、碳点及其在肿瘤治疗中的应用,该方法包括以下步骤:S1、将没食子酸和精氨酸溶于超纯水中,混匀,得到混合液;S2、将混合液转移至反应釜中,在微波加热;S3、用纯水在超声条件下溶解步骤S2得到的产物,离心,上清液过滤,滤液透析,透析液冷冻干燥,得到没食子酸碳点。本发明公开了一种利用微波辅助法合成没食子酸碳点的方法,合成的碳点平均粒径小于2nm,具有毒性低、穿透能力强等优点,还能够显著抑制脑胶质瘤细胞的增殖和迁移,本发明将为开发基于碳点的新型脑胶质瘤治疗剂提供可行的新策略。