Resumen de: CN122685053A
本发明属于维生素检测技术领域,更具体的说是涉及一种用于维生素B12检测的纳米材料的制备方法。本发明以3,4‑二氨基苯甲酸为唯一前驱体原料,经水热反应后,纯化,得到橙色荧光碳点粉末(用于维生素B12检测的纳米材料)。本发明以3,4‑二氨基苯甲酸为唯一前驱体,提高了氮元素在前驱体中的含量,通过水热法制备出了橙色荧光碳点(O‑CDs),实现了碳点荧光发射波长的红移,该O‑CDs基于高效的内滤作用,实现O‑CDs对维生素B12的定量检测,进一步丰富了碳点的荧光分析检测体系。
Resumen de: US20260256943A1
Generally, a nanomaterial polymer encapsulation system useful in the production of nanocomposites comprising an inorganic nanoparticle encapsulated in a hydrophobic region of a polymer with the external hydrophilic region of the polymer ensuring water-solubility and affording a functional group which can be utilized for the production of nanocomposite conjugates.Specifically, particular embodiments can comprise nanocomposites including one or more inorganic nanoparticles including, metal and non-metal isotopes, a superparamagnetic iron oxide nanoparticle (“SPION”), and/or quantum dots encapsulated in a polystyrene-b-polyethylene glycol affording a functional group that can be activated to conjugate antibodies, modified antibodies, or antibody fragments for the capture of target moieties which in suspension can be nebulized into an inductively coupled plasma time-of-flight mass spectrometry instrument to identify and quantify diverse features of cellular systems.
Resumen de: WO2026179836A1
Biphilic dandelion-like nanostructures are fabricated by treating hydrophilic nanowires with 1H, 1H, 2H, 2H-Perfluorodecyltriethoxysilane to form nanowires with superhydrophobic surfaces. Zinc acetate dihydrate is dissolved in ethanol to form a seed solution, and the nanowires with superhydrophobic surfaces are coated with the seed solution. The coated nanowires with superhydrophobic surfaces are heated to form ZnO seeds thereon. Zinc nitrate hexahydrate is mixed with hexamethylenetetramine to form a precursor solution, and the nanowires with superhydrophobic surfaces with the ZnO seeds are immersed in the precursor solution. The precursor solution and the nanowires with superhydrophobic surfaces with the ZnO seeds are heated to form the biphilic dandelion-like nanostructures.
Resumen de: WO2026181080A1
Metal nanoparticles comprising at least one metal atom and a ligand associated with at least a portion of a surface of the metal atom, and uses thereof, are provided. The ligand is made of a first moiety (denoted as X) that is capable of associating with the surface of the metal atom; and an additional moiety (denoted as Y) which is a redox-reactive moiety and/or a second moiety that is capable of associating with the surface of the metal atoms, and optionally a linking moiety that links the first moiety and the additional moiety. The metal nanoparticles are ultra-small nanoparticles. The metal nanoparticles are usable in, for example, catalyzing redox reactions and as coatings for varying surfaces, and are capable of interacting with a myriad of substances, such as liposomes and oligonucleotides, rendering these nanoparticles usable in varying applications.
Resumen de: WO2026183291A1
Nanosensors based on single-walled carbon nanotubes (SWCNTs) that are useful for the rapid and low-cost detection and monitoring of contamination in water by per- and polyfluoroalkyl substances (PFAS) are described.
Resumen de: US20260259503A1
An object of the present invention is to provide a liquid chemical exhibiting excellent defect inhibitive performance even in a case of being applied to a resist process by EUV exposure. Another object thereof is to provide a method for producing a liquid chemical. The liquid chemical of the present invention includes an organic solvent, and metal-containing particles containing a metal atom, in which the number of metal nanoparticles contained in the metal-containing particles and having a particle size of 0.5 to 17 nm is 1.0×101 to 1.0×109 particles/cm3, based on the number of the particles per unit volume of the liquid chemical.
Resumen de: US20260259019A1
0000 Nanostructured coating materials, methods of their production, and methods of use in a variety of applications are described. The nanostructured materials described herein include one or more 2<+> and/or 3<+> metal ion(s), optionally in a ternary phase, on a substrate.
Resumen de: US20260260880A1
0000 Provided herein are rechargeable aqueous Zn∥Ni energy storage devices that exhibit improved electrochemical performance high performance and super-long life. The combination of a high-performance Zn-based anode and an efficient Ni-based cathode herein, which aqueous battery chemistry with outstanding, form an energy storage device with high energy and power densities and cycling stability.
Resumen de: US20260258002A1
0000 Novel ionizable lipids, compositions, and methods of using the novel ionizable lipids and compositions are disclosed. Lipid nanoparticle compositions include a novel ionizable lipid as well as additional lipids such as phospholipids, structural lipids, and PEG lipids. Lipid nanoparticle compositions further including biologically active agents such as mRNA or DNA are useful in the delivery of biologically active agents to mammalian cells or organs.
Resumen de: US20260257198A1
This invention describes new porous nanocomposites of oxidized nanofibrillated cellulose and natural rubber latex comprising antimicrobial metal oxides deposited on the surface and interior thereof, production processes therefor, and uses thereof in material and fluid decontamination processes.
Resumen de: EP4799979A1
0001 The present invention relates to a carbon nanotube satisfying a specific equation, and the carbon nanotube of the present invention is excellent in both productivity and electrical conductivity.
Resumen de: CN122667593A
本发明提供了一种用于锂金属电池隔膜功能层的硼化钴/硼化铁异质结量子点@石墨烯复合材料的制备方法。该方法包括:将钴源、铁源与石墨烯分散于丙二醇与去离子水中,经溶剂热反应制得金属前驱体/石墨烯复合物;随后对水热产物进行离心清洗,并将其与硼粉充分混合,在惰性气氛下进行高温硼化热解;热解产物经水浴处理、洗涤、收集和干燥后,即可获得硼化钴/硼化铁异质结量子点@石墨烯复合材料。所得硼化钴/硼化铁异质结量子点@石墨烯复合材料兼具强亲锂性、丰富极性位点和良好导电性,可作为隔膜功能层有效调控锂离子通量和成核行为,抑制锂枝晶生长,从而提升锂金属电池的安全性和循环寿命。
Resumen de: CN122667582A
本发明公开了一种废旧热固性树脂的热解回收及高值利用方法,涉及固体废弃物资源化利用技术领域。所述方法包括如下步骤:S1、将含热固性树脂的废弃物进行洗涤、干燥后破碎并研磨,得到树脂粉末;S2、将所述树脂粉末与金属盐及硅源混合均匀,得到混合料;其中所述金属盐为镧或铜的有机盐或无机盐;S3、将所述混合料置于惰性气体中进行热解,产生含碳挥发性气体;S4、将含碳挥发性气体进行高温裂解处理,得到裂解产物;S5、将裂解产物进行急冷处理,得到碳硅导电复合填料。采用本发明的方法能够利用废旧热固性树脂制备得到导电性能优良的硅碳导电复合填料。
Resumen de: CN122676900A
一种基于孟德尔随机化筛选胆石症治疗靶点并制备环巴胺衍生水溶性碳量子点的方法;属于胆石症药物领域。本发明要解决在药物靶点筛选领域,传统方法主要依赖差异表达分析和文献报道,容易受到混杂因素的干扰技术问题。本发明解决环巴胺水溶性较差限制其应用的问题。筛选方法:获取胆石症相关基因表达谱并聚类分析;应用孟德尔随机化分析筛选风险基因;预测靶向小分子药物。本发明将环巴胺粉末,加入超纯水,超声分散;水热反应;反应结束后冷却至室温,纯化;即得到所述纳米药物,纳米药物的水溶性提高,CCK‑8 实验显示复合物在 8‑32μg/mL 浓度下的细胞毒性低于游离环巴胺。本发明筛选方法能够避免传统观察性研究中混杂因素的干扰。
Resumen de: CN122667637A
本发明公开了一种兼具低红外发射率和高屏蔽效能的硫化钴‑碳纳米管复合薄膜的制备方法,包括如下步骤:(1)碳纳米管薄膜经KOH溶液活化处理;(2)将活化的碳纳米管薄膜置于含有钴盐、对苯二甲酸和硫代乙酰胺的溶液中;(3)通过溶剂热法在碳纳米管表面原位生长硫化钴纳米片,形成硫化钴‑碳纳米管复合薄膜。通过调节硫代乙酰胺的添加量,可在复合薄膜中构建CoS与Co9S8异质结结构。本发明制备的复合薄膜具有优异的电磁屏蔽性能,总屏蔽效能达到68.2 dB,还具有低的红外发射率,在8~14μm波段的红外发射率可低至0.329。
Resumen de: CN122677399A
本申请涉及锂离子电池负极材料领域,具体公开了一种硅碳负极材料及其制备方法。该硅碳负极材料,包括以下重量份原料:纳米硅粉25~35份、酚醛树脂40~50份、木质素磺酸钠12~18份、乙酰丙酮铁2~4份、碳酸氢铵6~10份、三聚氰胺4~6份、葡萄糖氧化酶0.5~1.5份、1‑乙烯基‑3‑甲基咪唑四氟硼酸盐0.3~0.8份、硫代乙醇酸0.2~0.5份。本申请采用硫代乙醇酸对纳米硅粉表面进行巯基修饰,葡萄糖氧化酶与β‑D‑葡萄糖在液相中发生催化氧化反应,配合1‑乙烯基‑3‑甲基咪唑四氟硼酸盐的离子传输作用,在纳米硅表面形成均匀温和的原位预锂化界面环境,提高了硅碳负极材料的首次库伦效率。
Resumen de: CN122667559A
本发明提供了一种单宁酸碳点,所述单宁酸碳点是通过对单宁酸进行水热碳化处理得到的纳米颗粒。本发明还提供了一种单宁酸碳点的制备方法,包括如下步骤:将单宁酸溶解于水中,经超声处理,得到前驱体溶液;将所述前驱体溶液进行水热反应,使单宁酸碳化;反应结束后,将产物进行纯化处理,得到所述单宁酸碳点。基于所述单宁酸碳点,本发明还提供一种单宁酸碳点在制备抗菌剂或食品保鲜剂中的应用,以及用于食品保鲜的方法。本发明的单宁酸碳点具有优异的抗菌活性、良好的生物安全性和显著的食品保鲜效果。
Resumen de: CN122667527A
本申请提供了一种锂电池正极材料前驱体及其制备方法、应用,属于电池材料领域,其中,通过提供二水磷酸铁,将二水磷酸铁进行浆化处理,得到第一浆料;向第一浆料中加入酸性溶液,直至第一浆料的pH值为2.0~3.0,得到第二浆料;对第二浆料进行研磨处理,其后,依次加入分散剂、钛源和磷源,经混合得到第三浆料;将第三浆料进行喷雾干燥及煅烧处理,得到锂电池正极材料前驱体。本申请通过先对二水磷酸铁进行研磨再包覆,有助于磷酸钛均匀包覆在磷酸铁表面,有效抑制后续制备磷酸铁锂时的颗粒融合与长大,避免大单晶颗粒的生成,显著提高了材料的电化学性能、循环性能及压实密度;同时简化了生产流程,降低了能耗和制造成本。
Resumen de: CN122667562A
本申请提供一种利用含盐硫酸废液制备氧化石墨烯的方法,涉及氧化石墨烯制备领域。将含盐硫酸废液进行第一减压浓缩、冷却结晶‑离心分离、第二减压浓缩得到含盐浓硫酸;将鳞片石墨粉、含盐浓硫酸和硫酸钾进行混合得到混合物,将混合物进行预插层氧化得到预插层氧化混合料;将预插层氧化混合料、浓硫酸和高锰酸钾进行混合、氧化反应得到反应液;将反应液进行第一洗水稀释、脱色反应、第二洗水稀释得到第二稀释后反应液;将第二稀释后反应液和絮凝液进行混合、絮凝沉淀、固液分离、水洗。该方法解决了传统方法大量含硫酸、硫酸盐废水处置的难点,通过有价资源循环利用,使氧化石墨烯大规模工业化生产工艺形成闭环。
Resumen de: CN122667631A
本发明公开了一种分级钨酸铁/钨酸锌/碳点/石墨烯复合纳米材料及其制备方法和应用,属于复合纳米材料制备技术领域。该复合纳米材料的制备方法包括:将铁盐溶液加入锌盐溶液中,经搅拌后,加入八氰基合钨酸钾溶液,继续搅拌后,加入碳点分散液,继续搅拌后,加入氧化石墨烯分散液,继续搅拌后,静置,离心分离得到沉淀物,将沉淀物经洗涤、冷冻干燥后,得到三金属氰合金属骨架/碳点/氧化石墨烯复合前驱体;将复合前驱体置于管式炉中,于惰性气体中,煅烧,得到分级钨酸铁/钨酸锌/碳点/石墨烯复合纳米材料。该复合纳米材料作为锂离子电池负极材料时,表现出了优异的电化学储锂性能。
Resumen de: CN122667563A
本发明属于石墨负极材料技术领域,尤其为一种高容量石墨负极材料及其制备方法,包括以下步骤:S1、将天然鳞片石墨或针状焦骨料进行第一氧化热处理,通入压缩空气,控制流量为10~20L/min,升温速率不高于5℃/min,在450~600℃下保温2~5h,得到改性石墨;本发明通过在石墨骨料表面预氧化活化并将预氧化沥青经两段控温热处理均匀包覆碳化,形成厚度可控的无定形碳包覆层结构,使得该碳层既能有效阻隔电解液与石墨表面的持续副反应、抑制SEI膜过度生长,又能保留充足的锂离子扩散通道,从而在显著提升首次放电比容量的同时实现高首次库仑效率,解决了传统高容量石墨负极材料因表面活性位点过多导致首效偏低、不可逆容量损失大的技术难题。
Resumen de: CN122667592A
本发明提供了一种用于锂硫电池隔膜功能层的高熵硼化物@石墨烯复合材料的制备方法。该方法包括:将多种金属盐与氧化石墨烯分散于去离子水中,得到均匀的金属离子/氧化石墨烯分散液;随后加入碱性硼氢化钠溶液,使多种金属离子在还原过程中与硼源反应,原位生成高熵硼化物纳米颗粒,同时将氧化石墨烯还原;反应产物经离心、洗涤、收集和干燥后,即可获得高熵硼化物@石墨烯复合材料。所得复合材料兼具强极性、丰富活性位点和良好导电性,可作为锂硫电池隔膜功能层有效吸附并催化转化多硫化锂,抑制穿梭效应,同时调节锂离子通量、缓解枝晶生长和死锂累积,从而提升锂硫电池的循环稳定性和安全性。
Resumen de: CN122677449A
本申请公开一种含硫沥青及评价方法、复合材料、电极及电池,涉及新能源技术领域。含硫沥青满足以下条件:90%≤1‑SICP/SEA<100%;SEA>0;其中,SICP表示采用ICP石墨消解法测试得到的含硫沥青的硫含量,SEA表示采用EA元素分析法测试得到的含硫沥青的硫含量。EA元素分析法和ICP石墨消解法测试的差值硫在含硫沥青包覆石墨进行高温碳化过程中,可发生硫原子原位掺杂,在石墨表面包覆碳层中构建丰富的缺陷位点与微孔结构,一方面提升包覆碳层的导电性与锂离子扩散速率,优化负极快充性能;另一方面,该部分硫掺杂的无定形碳层可形成更稳定的SEI膜,有效抑制电解液分解,大幅提升电池循环寿命。
Resumen de: CN122667534A
本申请涉及电池正极材料技术领域,具体涉及一种正极材料前驱体及其制备方法、正极材料及其制备方法、正极片、电池。该极材料前驱体为金属磷酸盐水合物,其化学结构式为:Mn1‑xMx(μ‑OH2)2(HPO4)2(PO4)2(H2O)2,其中,M为二价金属离子,0≤x<1。该前驱体中锰及其他二价金属元素稳定复合且均匀分布,有利于改善后续正极材料的成分均匀性和压实性能,从而有利于改善电池的电化学性能。
Nº publicación: CN122667560A 01/09/2026
Solicitante:
天津大学
Resumen de: CN122667560A
一种基于碳质蜂巢架构的少壁碳纳米管材料及其可控制备方法,属于纳米碳材料技术领域。该材料以三维碳质蜂巢架构为支撑,原位生长直壁型少壁碳纳米管,管壁层数2–8层,碳纳米管外径2–10 nm,分散均匀、不易团聚。制备方法采用钴基或钴‑镁复合催化剂,经络合浸渍聚合物胶晶微球模板获得前驱体,通过双温区一步焙烧,在常压、惰性气氛、无氢气还原的温和条件下实现少壁碳纳米管的原位生长。本发明催化剂无需高温焙烧与氢气活化,工艺简便、成本低、可规模化生产;所得材料可直接作为导电剂使用,在锂离子电池、硅基负极、固态电池、电催化及复合材料领域具有良好应用前景。