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339
results.
Updated on
24/08/2026 [07:53:00]
Results 25 to 50 of 339
Absstract of: CN122561914A
本发明公开了一种高纯度单壁碳纳米管的制备方法，属于材料物理技术领域，该方法包括以下步骤：首先，以硝酸镁为原料配置溶液，加入聚乙烯吡咯烷酮（PVP）混合搅拌并沉降；然后将沉降物置于管式炉中烧结，得到多孔、高比表面积的氧化镁载体，再以九水合硝酸铁和四水合钼酸铵为金属前驱体。本发明通过调控PVP用量和烧结工艺，制备出具有介孔结构和高比表面积的氧化镁载体，其平均孔径为4‑6 nm，比表面积最高可达534.73 m²/g，该载体能够有效稳定Fe‑Mo双金属催化剂颗粒，抑制高温团聚，促进高纯度、低缺陷单壁碳纳米管的生长，本发明制备的单壁碳纳米管拉曼光谱IG/ID值高达10.75，产率可达48%，且工艺简单、成本低廉，适合规模化生产。
Absstract of: CN122561919A
本发明公开了一种超低密度石墨烯薄膜制备方法，属于石墨烯材料制备技术领域，包括以下步骤：S1、碳化膜预处理：选取经低温碳化制备的多孔石墨烯膜，对其进行平整化处理，随后进行碳化工艺；S2、石墨化装炉：将预处理后的多孔碳膜与间隔层交替堆叠，置于石墨化炉内，间隔层采用高纯度石墨纸或碳毡；S3、梯度升温石墨化：向石墨化炉内通入高纯氩气，排除炉内空气后，采用梯度升温模式进行石墨化处理；S4、冷却成型：保持高纯氩气持续通入，自然冷却至室温，取出膜堆，剥离间隔层，本发明具备在保留多孔结构实现超低密度的同时，显著提升碳材料结晶度与导热导电性能，且膜层不易翘曲开裂，良率高、适合规模化生产的技术效果。
Absstract of: CN122564324A
本发明公开了一种熔融法制备碳纳米管/纳米金属复合材料的方法及应用，属于锂电池负极材料技术领域。该复合材料的制备方法：采用Fe‑Ni‑Cu‑Sn四元合金作为催化剂，在惰性气体保护下升温使催化剂完全熔化成液态，将甲烷气体通入液态合金中，在870‑920℃下进行催化裂解反应；反应结束后继续在惰性气体保护下自然降温，收集黑色蓬松固体产物，经纯化处理后，得到碳纳米管/纳米金属复合材料。该复合材料可以作为活性材料用于制备锂离子电池负极极片，可以进一步组装形成纽扣式电池。本发明将锡基活性相纳米化分散、碳纳米管导电网络构建、Fe3C催化增强以及惰性骨架缓冲多重功能集于一体，协同提升了碳纳米管/纳米金属复合材料的综合电化学性能。
Absstract of: CN122561916A
本发明公开了一种超临界流体协同辅助的碳化工艺及其应用。该工艺针对现有激光诱导石墨烯（LIG）结构单一、比表面积低等技术瓶颈，通过将聚合物基体预置于超临界流体环境中进行高压浸渍，使气体分子充分渗透并锁存于基体内部；随后利用激光诱导技术，在碳化过程中诱发内部气体的“物理爆发”效应，与聚合物的“化学碳化”深度协同。结果表明，该工艺制备的石墨烯材料具备微孔、介孔及大孔相互贯通的多级分级孔隙结构，比表面积显著提升，且电荷迁移阻抗大幅降低。在实施例中，scN2‑LIG 组装的超级电容器电容量可达传统LIG的2.4倍。本发明工艺简单、绿色环保，且适用于多种碳前驱体（如PI、木材、纤维纸等）的连续化生产，在储能、传感、催化及环境修复领域具有极高的工业应用潜力。
Absstract of: CN122563583A
本发明公开了一种手性赖氨酸碳点及其在抗耐药菌感染中的应用，属于纳米抗菌材料技术领域。所述手性赖氨酸碳点为L‑赖氨酸修饰的碳点（L‑lys CDs），由柠檬酸碳点与L‑赖氨酸通过搅拌修饰法制备，表面具有L‑赖氨酸配体构型、正电荷及圆二色性信号。该材料利用细菌对L‑赖氨酸的天然代谢偏好，通过“代谢干扰”机制被细菌主动摄取，破坏膜完整性并诱导胞质空泡化，实现对耐甲氧西林金黄色葡萄球菌（MIC=0.96 mg/mL）、耐碳青霉烯鲍曼不动杆菌（MIC=0.48 mg/mL）等多种耐药菌的立体选择性高效杀灭。体内小鼠伤口模型显示，L‑lys CDs治疗12天伤口愈合率达95.54%，优于硫酸卡那霉素，且细胞毒性低（存活率>80%）、溶血率仅1.22%。本发明为耐药菌感染治疗提供了高效、低毒、不易诱导耐药的新型纳米抗菌剂。
Absstract of: CN122561895A
本发明公开了一种原位制备微介孔限域黑磷复合材料的方法，属于黑磷材料技术领域，旨在解决现有制备工艺易堵孔、易腐蚀、难以规模化的问题。先将微介孔材料经超声、离心、干燥处理，得到洁净微介孔材料 KM；再将锡、红磷、碘混合粉末负载到多孔陶瓷上，经煅烧，制得多孔陶瓷负载催化剂 KTC；随后将红磷、KTC、KM 分别置于三个独立反应腔体，在定向气流场下经 450~680℃梯度温度反应，制得目标复合材料。本发明采用三腔独立装填模式，无物料交叉接触，可实现小分子磷顺畅入孔、零堵塞、无腐蚀生长；产品结构可控，原料来源广泛、成本低廉，易于规模化生产，在高端电子封装、军工、高频通信、储能等领域应用前景广阔。
Absstract of: CN122562062A
一种熔盐辅助微波制备Li0.5Fe2.5O4/CNTs复合吸波材料的方法，它涉及锂铁氧体/碳纳米管复合吸波材料的制备方法。它是要解决现有的CNTs/铁氧体复合吸波材料的制备方法的工艺流程长、反应时间长、成本高、产物纯度差的技术问题。本方法：将碳纳米管、乙酰丙酮铁与LiCl‑KCl混合熔盐混合均匀后压片，在压片周围及上方铺设氯化钠；然后微波加热反应，再洗涤、干燥，得到Li0.5Fe2.5O4/CNTs复合吸波材料。该材料在15%低填充量下即可实现RLmin< ‑40 dB、有效吸收带宽>3.98 GHz的优异性能，可用于吸波材料领域。
Absstract of: CN122561865A
本申请提供了一种碳包覆磷酸亚铁及其制备方法、正极材料及其制备方法、正极极片以及二次电池，属于锂离子电池技术领域，其中，碳包覆磷酸亚铁的制备方法包括：将有机铁盐、磷源、络合剂、水混合，得到混合溶液；将所述混合溶液喷雾干燥，得到干粉；将所述干粉烧结处理，得到碳包覆磷酸亚铁。本申请旨在解决现有磷酸铁锂制备工艺存在的磷酸铁锂一次颗粒粒径偏大的技术问题。
Absstract of: CN122563582A
本发明属于荧光纳米材料合成技术领域，公开了一种靶向线粒体DNA的荧光碳点、制备方法及其生物成像应用。该荧光碳点的反应原料包括1,1,2,3‑四甲基‑1H‑苯并e吲哚鎓碘化物与尿素。通过将1,1,2,3‑四甲基‑1H‑苯并e吲哚鎓碘化物和尿素加入到无水乙醇中，置于高压反应釜中进行加热反应。反应所得粗产物采用中性氧化铝柱层析法纯化，以不同体积比的二氯甲烷‑甲醇混合溶液作为洗脱剂，经旋转蒸发浓缩后，最终得到纯化的荧光碳点。本发明碳点能够准确定位于线粒体DNA进行实时成像，同时成功实现了细胞凋亡过程中线粒体DNA水平的动态可视化监测。
Absstract of: US20260239872A1
0000 A method of treating a semiconductor nanoparticle, a semiconductor nanoparticle, and an electroluminescent device and a display device including the semiconductor nanoparticle. The method includes: adding a metal halide to a first dispersion including a liquid medium and a semiconductor nanoparticle dispersed in the liquid medium, precipitating the semiconductor nanoparticle to provide a precipitated semiconductor nanoparticle; adding a ligand compound to the first dispersion and mixing the ligand compound with the first dispersion including the precipitated semiconductor nanoparticle, obtaining a second dispersion in which a semiconductor nanoparticle surface-treated with the ligand compound is dispersed in the liquid medium to provide a surface-treated semiconductor nanoparticle; and recovering the surface-treated semiconductor nanoparticle from the second dispersion.
Absstract of: US20260232602A1
0000 The present invention generally relates to particles, including nanocapsules or other nanoentities, comprising a polymer such as polysialic acid. The particles are able to access the interior of the cells, and/or to procure the intracellular release of the associated drugs. In one aspect, the present invention is directed to nanocapsules or other entities having an exterior or surface comprising a polymer such as polysialic acid. In some cases, targeting moieties such as Lyp-1 or (Lyp-1 peptide are bonded to the polymer, e.g., using aminoalkyl (C<1>-C<4>) succinimide or other linkers. These may be created, for example, by reacting a carboxylate moiety on a polymer with an aminoalkyl maleimide (C<1>-C<4>) or an aminoalkyl (C<1>-C<4>) methacrylamide, and reacting the resulting aminoalkyl (C<1>-C<4>) maleimide or the aminoalkyl (C<1>-C<4>) methacyrlamide to a cysteine or other sulfur group. Targeting moieties are bonded to the polymer, for example, by reacting a carboxylate moiety on a polymer with a N-hydroxysuccinimide or a carbodimide, and reacting the intermediate formed with a lysine or arginine group on a targeting peptide to produce polymer-amide-peptide. Other aspects of the invention are generally directed to methods of making or using such compositions, kits including such compositions, or the like.
Absstract of: DE102025105109A1
Die vorliegende Erfindung betrifft eine Lichtquelle mit einstellbarer spektraler Verteilung der emittierten elektromagnetischen Strahlung enthaltend eine Primärlichtquelle, ein schaltbares optisches Element, einen Color-Conversion Film und ein Filterelement mit ortsabhängig variabler spektraler Transmission und ein Spektrometer enthaltend die erfindungsgemäße Lichtquelle und einen Detektor.
Absstract of: US20260239871A1
0000 A quantum dot composition, a light-emitting device, an electronic apparatus including the light-emitting device, and an electronic equipment including the light-emitting device are disclosed. The quantum dot composition may include a quantum dot, a Zn complex compound represented by Formula 1, and a solvent:
0000
wherein, in Formula 1, R<1 >and R<2 >may each independently be hydrogen, a C<8>-C<20 >alkyl group, a C<8>-C<20 >alkenyl group, or a C<8>-C<20 >alkyloxiranyl group, at least one selected from R<1 >and R<2 >may be a C<8>-C<20 >alkyl group, a C<8>-C<20 >alkenyl group, or a C<8>-C<20 >alkyloxiranyl group, n may be an integer of 1 to 10, and a dotted line indicates a coordinate bond.
Absstract of: US20260239851A1
A quantum dot including a quantum dot core, an electronic apparatus including the quantum dot, and a method of preparing the quantum dot core are disclosed. The quantum dot core may include a Group I-III-VI semiconductor compound including a Group I element, a Group III element, and Group VI element, and Group IV element and/or Group V element, wherein Sn and Sb are excluded from the Group IV element and the Group V element, respectively.
Absstract of: WO2026167667A1
The present invention discloses a graphene-alumina nanofluid-polymer matrix for coating material (100) for quick thermal dissipation and its method of preparation, wherein the hybrid material (100) comprises graphene-alumina nano-composite powder that is processed to form a nanofluid-polymer matrix coating material having functionalized graphene with alumina (Al2O3) for improved heat dissipation in X-Y-Z direction. The addition of the alumina layer (106) in the desire process of the present invention allows to create stronger bonding and interactions with the graphene layers (108), improving the interlayer phonon coupling and allowing heat to more efficiently transfer in the z-direction, perpendicular to the graphene plane.
Absstract of: WO2026168939A1
A nanostructure-based high-performance radical and cation measurement device of the present invention is for measuring radicals and cations, and comprises: a sensing electrode which is formed on a substrate; a nanostructure sensing layer which is formed on the substrate having formed thereon the sensing electrode and senses radicals and cations with an electrical signal due to adsorption and desorption of the radicals and cations; and a packaging which has at least one through hole formed therein and is formed to surround the substrate having formed thereon the sensing electrode and the nanostructure sensing layer.
Absstract of: WO2026168604A1
Chalcogenide perovskite particles according to the present invention include chalcogenide perovskite and have a number-average particle diameter of 15 nm or less determined by TEM observation.
Absstract of: WO2026168603A1
Disclosed is a method for producing semiconductor nanoparticles, wherein a precursor material for semiconductor nanoparticles is reacted in a liquid phase in a solvent that contains a poly-α-olefin oil (PAO). The PAO has a boiling point of 320°C or higher.
Absstract of: WO2026168601A1
Provided is a method for producing chalcogenide perovskite particles containing chalcogenide perovskite, wherein a complex having a first metal atom, a complex having a second metal atom, and a Lewis acid are reacted in a liquid phase in a solvent.
Absstract of: US20260234673A1
A composition that produces hydrogen includes a nanoparticle or plurality of nanoparticles; an external source of electrons such as an electrogenic bacterium or a plurality of electrogenic bacteria and a carbon source; and an aqueous medium. The nanoparticles and the aqueous medium are combined in a mixture and, upon exposure to electromagnetic radiation with a wavelength in the absorption profile of the nanoparticles, the nanoparticles generate an electron that can reduce a proton in the aqueous medium. The source of electrons is capable of reducing the nanoparticles. The nanoparticles may comprise cadmium chalcogenide or water-soluble cadmium chalcogenide quantum dots. The nanoparticles may also comprise core-shell nanoparticles, nanorods; dot-in rods, Zn-based II-VI core quantum dots, and nanoplatelets including core-crown and core-shell nanoplatelets. The electrogenic bacterium or bacteria may comprise Shewanella oneidensis, a Geobacter species or any bacterium capable of extracellular electron transfer.
Absstract of: AU2024414024A1
A quantum information processing device is disclosed. The quantum information processing device comprises a semiconductor device and a single-electron electrometer electrically connected to the semiconductor device. The semiconductor device comprises a plurality of point defects having a plurality of quantum states associated with at least one electron. First transitions are effectible between first ones of the plurality of quantum states by means of electromagnetic signals interacting with the at least one electron. Second transitions occur between second ones of the plurality of states. At least some of the plurality of point defects are arranged in the semiconductor device at distances below 20 nm. The single-electron electrometer is configured to be operated at frequencies of 1 MHz or more.
Absstract of: US20260234002A1
A conductive material dispersion liquid includes a single-walled carbon nanotube cluster. The single-walled carbon nanotube cluster has a number average length of 0.8 μm to 8.0 μm, and a length greater than 10 μm accounts for 15% or less of the total number. The single-walled carbon nanotube cluster has a number average diameter of 5 nm to 30 nm, and a diameter greater than 30 nm accounts for 15% or less of the total number. The length and the diameter of the single-walled carbon nanotube cluster are measured using an atomic force microscopy (AFM). Also provided is an electrode including the single-walled carbon nanotube cluster. Due to excellent dispersibility, a conductive network is well created, and excellent conductivity may thus be secured even with small amounts. Due to low viscosity of the dispersion liquid, processibility is excellent.
Absstract of: US20260235785A1
A SERS substrate includes: a base, an array of nanostructures formed on the base, a first coating disposed on the array of nanostructures, and a second coating disposed on the first coating. The first coating includes a thin film formed of a noble metal. The second coating includes a metallic/semimetallic two-dimensional material. The metallic/semimetallic two-dimensional material may include one or more transition metal dichalcogenides. A method of making a SERS substrate include: plasma etching a base to form an array of nanostructures on the base; forming a first coating on the array of nanostructures, the first coating being a thin film formed of a noble metal; and forming a second coating on the first coating. The method may further include: forming a plurality of two-dimensional flakes using electrochemical exfoliation; and depositing the plurality of two-dimensional flakes after the first coating is formed.
Absstract of: US20260234305A1
0000 A template for the production of nanowires or nanostructures includes a substrate, a first neutral layer disposed on the substrate, a vertically aligned lamellar block copolymer film layer disposed on the first neutral layer, and a second neutral layer disposed on the block copolymer film layer. The vertically aligned lamellar block copolymer film layer can be formed from a block copolymer via Shear-Directed Self-Assembly (SDSA) using a cold zone annealing soft shear (CZA-SS) methodology.
Nº publicación: US20260237674A1 13/08/2026
Applicant:
GS YUASA INT LTD [JP]
GS Yuasa International Ltd.
Absstract of: US20260237674A1
A positive composite for an energy storage device according to an aspect of the present invention includes a positive active material and a conductive auxiliary agent, in which the conductive auxiliary agent includes a carbon nanotube, and, in a Log differential pore volume distribution, a ratio B/A of a maximum value B cm3/g of a differential pore volume within a pore size range of 100 nm or more and 3000 nm or less to a maximum value A cm3/g of a differential pore volume within a pore size range of 10 nm or more and 100 nm or less is 4.50 or more.
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