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370
resultados
Última actualización
25/08/2026 [07:47:00]
Resultados 150 a 175 de 370
Resumen de: WO2026163673A1
The present invention provides a carbon nanotube aggregate or the like, from which a battery having excellent cycle characteristics can be manufactured. Provided are: a carbon nanotube aggregate that satisfies the following conditions (1), (2), and (3); and an application thereof. (1) When the carbon nanotube aggregate is formed into a carbon nanotube dispersion having a carbon nanotube concentration of 0.002 mass% relative to the total amount of the carbon nanotube dispersion, the average value of fractal dimensions calculated by the method described in the description is 0.99-1.60 inclusive. (2) The elongation at break measured by the measurement method described in the description is more than 0% to 3.0% or less. (3) The carbon nanotube aggregate includes a bundle structure, and in an observation region with a scanning electron microscope, the area ratio of bundles having a bundle diameter of 100 nm or more is more than 0.1.
Resumen de: AU2025211015A1
The present disclosure provides compositions which facilitate preferential targeting or delivery of a therapeutic agent to a particular organ, cell, or tissue. The presently disclosed compositions comprise lipid nanoparticles formed from a covalent-bond forming lipid, a cationic lipid, and, in some embodiments, a steroid or sterol, a phospholipid, and a PEG lipid.
Resumen de: US20260231594A1
An infrared sensor is provided that is capable of selecting a preferred combination of materials for an electron transport layer and a hole transport layer, and a method for producing the infrared sensor. An infrared sensor includes an electron transport layer, a light absorption layer and a hole transport layer. The light absorption layer contains quantum dots, the electron transport layer contains at least one metal oxide selected from ZnO, MgZnO, SnO2 and SnO, and the hole transport layer contains at least one metal oxide selected from NiO and MOO. Oxidation deficiency in the metal oxide constituting the electron transport layer and the hole transport layer is smaller than that in a bulk material.
Resumen de: US20260226345A1
An object is to provide quantum dots that enable obtaining a sheet with a quantum dot layer thickness of 50 μm or less and good aging durability against degradation from the sheet edges, a quantum dot-containing sheet using the quantum dots, and a backlight device or a display device. Quantum dots of the present disclosure do not include RoHS-regulated substances and have a higher absorption coefficient at 450 nm than InP. In the present disclosure, the quantum dots preferably includes a core formed from an I-III-VI chalcopyrite system. It is preferable that Group I includes at least one of Ag and Cu, Group III includes at least one of Ga and In, and Group VI includes at least one of S, Se and Te. A quantum dot-containing sheet formed by curing a quantum dot-containing composition including the quantum dots of the present disclosure, wherein the quantum dot-containing sheet has a quantum dot layer thickness of 50 μm or less. It is preferable that degradation from the edges of the sheet is 500 μm or less.
Resumen de: US20260225891A1
The present invention relates to a carbon nanotube dispersion comprising carbon nanotubes, a first dispersant containing nitrogen atoms, a second dispersant containing the compound represented by Formula 1, and a solvent, and a method for preparing the same. The content of the compound represented by the Formula 1 is as defined in the specification.
Resumen de: US20260226653A1
0000 Provided are a method for preparing an II-V group nanocrystal having excellent crystallinity, an II-V group nanocrystal prepared by using the same, and a field-effect transistor comprising the same. By synthesizing an II-V group nanocrystal through a method of using halides of a Group II element and a Group V element as precursors and performing co-reduction, an II-V group nanocrystal can be prepared using stable precursors. In particular, by controlling conditions such as a ratio of the Group II element and the Group V element in the precursors, and a reaction temperature and time after co-reduction, an II-V group nanocrystal satisfying a stoichiometric ratio and having very excellent crystallinity can be prepared, and particle uniformity can be improved. Accordingly, when the II-V group nanocrystal is applied as a p-type semiconductor material of a field-effect transistor, a transistor having excellent electrical performance can be prepared.
Resumen de: US20260226344A1
0000 Prepare a polymeric host matrix material with silicon nanoparticles dispersed therein by: (a) providing pieces of polymeric host matrix material coated with silicon nanoparticles; (b) softening the pieces of polymeric host matrix material coated with silicon nanoparticles to form softened pieces of polymeric host matrix material; and (c) blending the softened pieces of polymeric host matrix material together with the silicon nanoparticles on the surface of the softened pieces of polymeric host matrix material to form a single mass of polymeric host matrix material with silicon nanoparticles dispersed therein.
Resumen de: US20260225898A1
A composition contains silicon nanoparticles that have hindered piperidine derivative free radical scavengers on the surfaces of the silicon nanoparticles. A process for making silicon nanoparticles with hindered piperidine derivative free radical scavengers on the surface of the silicon nanoparticle, the process includes producing silicon nanoparticles using a VHFLPP process that collects silicon nanoparticles in a capture fluid as they are made and wherein hindered piperidine derivative free radical scavengers are provided in the capture fluid prior to, during and/or after collecting silicon nanoparticles so that the silicon nanoparticles and hindered piperidine derivative free radical scavengers are present in the capture fluid together.
Resumen de: US20260229553A1
A carbon material supporting a metal catalyst in a unique support conformation is provided. The method for supporting a metal catalyst on a surface of a carbon fiber comprises: a) a step of soaking the carbon fiber in a ketone solvent based or ether solvent based solution containing a compound comprising a platinum-group catalyst metal ion; and b) a step of subjecting the carbon fiber which has been taken out of the ketone solvent based or ether solvent based solution of step (a) to a heat treatment at 200 to 600° C.
Resumen de: US20260225892A1
0000 Modified carbon nanotubes, A method for preparing the same, a negative electrode slurry, and a battery are provided. The method includes: carboxylating carbon nanotubes; adding the carboxylated carbon nanotubes in a first mixed acid solution to obtain first inner wall-carboxylated carbon nanotubes; adding the first inner wall-carboxylated carbon nanotubes in a second mixed acid solution to obtain second inner wall-carboxylated carbon nanotubes; and mixing the second inner wall-carboxylated carbon nanotubes and a polyethylene glycol to obtain the modified carbon nanotubes.
Resumen de: US20260226546A1
0000 Described herein is a 3D nanoscale building platform. The platform is based on cube-shaped DNA nanostructures that are rigid enough to preserve cubic shape. Different cubes are connected together through complementary overhangs. We have developed a computational design algorithm that finds the smallest number of different cube types required to self-assemble target 3D shape. Each cube can be functionalized by attaching a cargo inside of it or adjacent to it (e.g., gold nanoparticles, carbon nanotubes, proteins, etc.) and can thus be used as a “scaffold” to construct arbitrary shapes in 3D from individual nanoscale building blocks. The final assembly can be a 3D periodic lattice, or a finite-sized object. From our simulation-designed cubes, we export to an experimental blueprint, where the strands and interactions between them are designed to self-assemble into a target shape.
Resumen de: US20260226346A1
Proposed herein are a defect-free perovskite nanocrystal, including CsPbX3 (wherein X is a halogen) perovskite nanocrystal whose surface is modified with BF4− anions, a method of manufacturing the same, and a light-emitting device comprising the same, wherein the perovskite nanocrystal treated with nitrosonium tetrafluoroborate (NOBF4) has reduced surface defects due to a binding of BF4− anions in place of long organic ligands, thereby exhibiting significantly improved thermal and optical stability.
Resumen de: EP4787083A1
0001 Provided is a microfabricated ion trap system with an integrated light delivery system for addressing confined ions with a light beam, and a microfabrication method for manufacturing a microfabricated ion trap system with an integrated light delivery system. The system comprises an optical refocusing element (e.g. a micro-fabricated lens system) to refocus or collimate the laser beam coupled out of a PIC chip waveguide and one or more optical redirecting elements (e.g. a microfabricated mirrors) to redirect the laser beam, such that the light propagates in or through a plane or a plurality of planes aligned with the ion trapping locations in the ion trap.
Resumen de: WO2025072892A1
An agglomeration with fine particles of a hybrid material comprising carbon nanotubes (CNT) and a binder agent that is effective to create an agglomeration comprising the fine particles.
Resumen de: WO2026084197A1
The present invention relates to a method for purifying carbon nanotubes, the method comprising, in the purification of unpurified carbon nanotubes containing 50-95 wt% of metal oxides as impurities, the steps of: injecting the unpurified carbon nanotubes into a purification furnace, primarily heating same under an inert gas atmosphere, and supplying an organic chlorine compound to the purification furnace and causing a reaction, thereby chlorinating the metal oxides so as to produce metal chlorides; and secondarily heating the carbon nanotubes containing the metal chlorides to a temperature higher than the primary heating temperature in the purification furnace so as to vaporize the metal chlorides, and obtaining purified carbon nanotubes.
Resumen de: CN122502416A
0001 本发明涉及纳米催化材料技术领域，尤其涉及一种酰胺合铂配合物及其制备方法和应用。相较于常规前驱体，本发明提供的酰胺合铂配合物结构稳定且配位环境独特，酰胺配体可发挥空间位阻效应和电子诱导效应促进反应顺利进行并有效抑制铂颗粒团聚，羟基与碘配体协同可实现温和热解，无杂质残留，只需一步便可制备得到高比表面积、高纯度二氧化铂，较好地弥补了现有前驱体自身的局限性，具备极高的产业化与应用价值。
Resumen de: CN122501879A
0001 本发明涉及一种La<1‑x>Ce
Resumen de: CN122501855A
本发明公开了一种基于场辅助生长的高纯度单壁碳纳米管的原位制备方法，属于纳米材料制备技术领域。该方法在浮动催化剂化学气相沉积过程中，将催化剂注入热解、场辅助纯化生长、原位分离与粉体收集步骤一体化实现；通过在反应区构建耦合的非均匀电场和中心高温、边缘低温的温度梯度场，利用介电泳力和热泳力的协同作用，使金属催化剂颗粒偏离中心气流并沉积移除，而单壁碳纳米管随中心高温气流继续运动，实现生长与纯化的同步完成。本发明避免了离线纯化对碳管的结构损伤，所得产品金属杂质含量可降至5wt.%以下，IG/ID比值高，且工艺绿色环保、可控性强，易于连续化生产，适用于复合材料、导电浆料等多个领域。
Resumen de: CN122511863A
本发明公开了一种高容量磷酸盐系钠离子电池正极材料及其制备方法，涉及钠离子电池正极材料技术领域，本发明材料化学通式为Na3V2‑xMx(PO4)3@C，M为掺杂金属元素，选自Fe、Mn、Co、Ni、Mg、Al和Ti中的一种或多种，0.01≤x≤0.5；C为表面碳包覆层，碳含量为1~10wt%。本发明通过金属掺杂与碳包覆协同改性，显著提升电子电导率与钠离子扩散速率。本发明材料具有多孔微米结构，适合电解液浸润与离子传输。该材料制备方法简单、可控，适合规模化生产。本发明所得正极材料具有高比容量、优异倍率性能和循环稳定性，适用于高性能钠离子电池。
Resumen de: CN122503120A
本发明涉及一种基于光催化技术在水相体系中从煤中温和制备荧光富氮碳量子点的方法，属于纳米材料制备技术领域。所述方法包括煤的预处理，煤与氨水进行氨氧化反应获得富氮可溶物，所述富氮可溶物再进行光催化反应，最后经过离心、过滤、透析以及干燥处理，制得碳量子点固体粉末。本发明利用氨氧化协同光催化技术实现了在水相体系中从低阶煤中制备荧光富氮碳量子点，反应条件温和且绿色无毒，不涉及高温/高压，强酸/强碱环境，有机溶剂或特殊设备等苛刻的反应条件。
Resumen de: CN122503113A
0001 本发明属于材料领域，公开了一种紫色长寿命磷光碳量子点纳米复合材料及其制备方法与应用。制备方法包括：（1）将碳源溶于有机溶剂，再加入中空介孔二氧化硅纳米颗粒，分散均匀后进行固液分离，所得固体经洗涤和干燥处理，得到负载有碳源的中空介孔二氧化硅复合前驱体；（2）将步骤（1）得到的复合前驱体与硼酸混合均匀后进行反应，反应产物经洗涤、烘干处理，即得。本发明采用免溶剂法固相原位碳化制备碳量子点纳米复合材料，绿色环保、经济便捷。通过碳源选择、免溶剂法及限域策略的协同作用，可有效抑制sp<2>碳核拓展，减少缺陷态产生，控制碳量子点聚集度，限制表面基团振动与转动，从而抑制磷光红移、猝灭及短寿命，实现高效长寿命紫色磷光。
Resumen de: CN122503121A
本发明公开了一种检测pH的氮掺杂碳量子点荧光探针及其制备方法和应用，属于荧光检测技术领域。所述荧光探针以邻苯二胺为碳源和氮源，浓硝酸为氧化剂，通过一步溶剂热法制备得到氮掺杂碳量子点。该量子点表面富含氨基官能团，其荧光强度在pH 3.0‑8.0范围内与pH值呈良好的线性关系，pKa值为5.20，且对常见金属离子和阴离子具有良好的抗干扰能力。本发明制备方法原料易得、操作简单。所制得的荧光探针可用于环境水体或食品样品中pH值的高灵敏度、高选择性检测，在环境监测和食品新鲜度评估等领域具有应用潜力。
Resumen de: CN122503762A
0001 本申请提供了一种机器人关节用合金及其制备方法和应用，以解决现有粉末冶金方法无法稳定消除合金内部空隙，避免微缺陷的形成的问题，属于粉末冶金技术领域。制备方法包括以下步骤：将所得合金粉末成型，获得生坯；将所得生坯置于放电等离子烧结炉中，进行烧结致密化处理得烧结坯；将所得烧结坯置于热等静压炉中，保温保压，获得致密化坯体；将所得致密化坯体在β单相区进行热变形处理；对所得材料进行多级时效处理；对所得材料的关键受力部位进行表面强化处理。制备得到粉末冶金钛合金相对密度达到99.5%以上，残留孔隙率低于0.1%且呈近球形孤立分布，从根本上消除了疲劳裂纹萌生的内部缺陷源。
Resumen de: CN122511842A
本发明公开了一种用于钠离子电池的负极结构及其制备方法，用于钠离子电池的负极结构包括极板和涂覆于极板表面的涂覆层，涂覆层包括碳纳米骨架和锡合金纳米颗粒，碳纳米骨架的表面开设有附着孔，多个锡合金纳米颗粒连接于碳纳米骨架的侧壁以及附着孔的内侧壁，且多个锡合金纳米颗粒间隔设置。通过纳米结构能够使得锡合金纳米颗粒与电池内液体充分接触从而有效缩短电解液内离子的扩散路径，减少粉化和团聚情况。多个附着孔能够为电池反应过程中体积膨胀预留一定缓冲空间，避免锡合金纳米颗粒体积膨胀直接挤压碳纳米骨架导致碳纳米骨架结构损坏。通过用于钠离子电池的负极结构的制备方法能够获得该负极结构，操作简单便捷。
Nº publicación: CN122501884A 04/08/2026
Solicitante:
河南工业大学
Resumen de: CN122501884A
本发明涉及一种纳米高硅Y分子筛的绿色高效制备方法，利用β或ZSM‑11分子筛生产过程排放的有机废液为水源，通过一步动态水热晶化制得纳米高硅Y分子筛。本发明以β或ZSM‑11分子筛生产过程排放的有机废液为水源，既避免了纳米高硅Y分子筛制备过程有毒有害且昂贵有机模板剂的投入，解决了β或ZSM‑11分子筛生产过程排放大量有机废水的难题，同时又实现了Y分子筛晶体尺寸纳米化、制备过程绿色化和硅铝比合成区间拓宽化的目标，具有重要的实用价值。
BOPI
Sede Electrónica
