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363
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Última actualización
28/07/2026 [07:18:00]
Resultados 250 a 275 de 363
Resumen de: CN122338088A
本发明公开了一种高通量筛选与构建金属间化合物Pt3M合金催化剂、制备方法及其应用，所述Pt3M合金催化剂包括载体以及负载在载体上的活性组分；所述载体为氮掺杂活性炭载体；所述活性组分为化学有序结构Pt3M合金纳米颗粒。本发明还公开了Pt3M合金催化剂的制备方法及应用。本发明Pt3M合金催化剂活性组分包含化学有序结构Pt3M型合金纳米颗粒，相较于传统催化剂大大提高了原子利用率，实现了贵金属的减量化；本发明合成的催化剂，活性金属相对较高，催化剂的稳定性也相对较好，具有优异的氧还原反应催化活性；本发明催化剂的制备方法操作工艺简单易合成，活性金属Pt分散均匀，大幅度降低了人工成本，易于放大，具有催化剂克级制备的前景。
Resumen de: CN122327336A
0001 本发明属于阻氢涂层技术领域，具体涉及一种镍磷基非晶‑纳米晶复合阻氢涂层及其制备方法。所述涂层以镍磷合金为非晶基体，内嵌由核壳结构磷化物纳米颗粒、二硫化钼‑金属氢氧化物异质结二维纳米片及硅烷偶联剂改性六方氮化硼纳米片组成的复合纳米增强相，微观呈现非晶相与纳米晶相共存结构，基体添加少量合金元素。本发明通过调控制备三种复合纳米增强相，将其与镍盐、磷源复合制备得到均匀分散的复合镀液，在经预处理的钢铁基材表面沉积形成非晶态镍磷合金镀层，再经梯度热处理构建目标微观结构。该涂层借助多相协同作用，提升基材结合力与阻氢性能，在氢能储输、石化设备防护等领域具备良好产业化前景。
Resumen de: CN122327012A
本发明公开了一种负载FeCoNi纳米粒子的酵母衍生碳复合吸波材料及其制备方法。所述方法以酵母为生物质碳源，经水热碳化得到酵母衍生碳；随后将三金属前驱体盐（Fe²⁺、Co²⁺、Ni²⁺）与酵母衍生碳按一定质量比溶解于溶剂中，通过水热浸渍法使FeCoNi纳米粒子原位负载于酵母衍生碳表面，经干燥与惰性气氛热处理后得到复合吸波材料。所得材料中FeCoNi纳米粒子均匀分散于碳材料表面，利用介电损耗与磁损耗的协同作用，实现优异的电磁波吸收性能。该方法工艺简单、成本低、对设备要求小，所制材料具有环境友好、可持续、可调控性强等优点，适用于雷达隐身领域。
Resumen de: CN122327288A
0001 本发明公开了一种拓扑界面工程调控晶格氧的催化剂及其制备方法和应用，属于催化剂技术领域。本发明通过电化学刻蚀和热氧化两步法制备了一种催化剂，其内核为IrGa金属间化合物，中间层为富Ga空位的过渡层，外壳为晶态IrO<2>层。本发明通过界面拓扑限制效应，调节了催化剂的局部电子结构，打破了酸性OER中LOM机制下高活性与结构不稳定性之间的权衡瓶颈，通过抑制深层晶格缺陷的积累和溶解，实现可逆的晶格氧氧化还原过程，从而提高催化剂的寿命，同时还提高了其活性和稳定性。
Resumen de: CN122324778A
本发明公开了一种氮掺杂碳纳米管（简称NCNTs）复合KVPO4F微米球的制备方法及应用，该方法为：通过冷凝回流和自组装的方法制备VOHPO4与NCNTs复合物（简称VOHPO4/NCNTs）前驱体；将VOHPO4/NCNTs在氢/氩气氛中还原；将还原产物与KF在溶液中超声分散，蒸发溶剂使二者均匀混合；将混合物在氩气气氛中煅烧后制得；本发明方法工艺新颖，制得的KVPO4F/NCNTs材料具有优异的电化学性能，是一种有前景的钾离子电池正极材料。
Resumen de: CN122327301A
本发明公开了一种原子级精确的纯膦配体保护的铜纳米团簇及其电催化二氧化碳还原中的应用。所述纳米团簇的分子式为 Cu4(p‑NO2S)4(TPP)4，其制备方法包括：将膦配体 p‑NO2SH、TPP 与 Cu(MeCN)4BF4 溶解在二氯甲烷和甲醇的混合溶剂中反应，经硼氢化钠还原后，通过在二氯甲烷/正己烷体系中扩散结晶获得红色块状晶体。将该团簇与科琴炭黑混合作为负载型催化剂，具有二维活性平面及其独特的几何结构，有效地降低了 CO2 深度还原过程中C‑C偶联的反应能垒，从而高效提升了 CO2 选择性转化为乙烯的催化活性，在‑1.4 VRHE 下乙烯法拉第效率能维持在95%~100%之间，并在工业级电流密度下仍维持高选择性与催化稳定性，为二氧化碳电还原制高附加值化学品提供高效方案。
Resumen de: CN122324836A
本发明涉及催化剂技术领域，特别是涉及一种MgO纳米团簇催化剂及其制备方法和应用，所述MgO纳米团簇催化剂的制备方法为利用镁盐与长链二元醇加入溶剂中，并滴入表面活性剂，在加热条件下形成MgO纳米团簇催化剂，MgO纳米团簇催化剂因其尺寸驱动的表面效应，具有大量的氧空位和低配位点，形成强碱性催化活性中心；将MgO纳米团簇催化剂应用于二丙二醇醚的制备中，以环氧丙烷和醇为原料，使用装填MgO纳米团簇催化剂的两级串联反应器进行反应，由于MgO纳米团簇催化剂的使用有效提高了环氧丙烷的转化率和伯醚选择性，其纳米团簇结构使其易于通过物理方法从产物中分离，克服传统非均相催化剂和产物分离困难的难题，显著提高了生产效率，具有较好的工业应用前景。
Resumen de: CN122331180A
0001 一种基于有机聚合物‑二氧化硅协同改性的紫精电致变色器件及其制备方法，它涉及一种电致变色器件及其制备方法。本发明要解决紫精电致变色电解质利用单一有机聚合物改性易导致聚合物链的缠结、离子传输受阻、电导率提升有限，以及利用单一二氧化硅改性易团聚、与紫精溶液界面相容性差、无法持续提升响应速度的问题。器件：由下至上依次为第一基底、第一导电层、电致变色层、第二导电层及第二基底；方法：一、器件腔体框架的制备；二、凝胶的制备；三、电致变色凝胶的制备；四、将电致变色凝胶灌入器件腔体框架中，最后热处理。本发明用于基于有机聚合物‑二氧化硅协同改性的紫精电致变色器件及其制备。
Resumen de: CN122338024A
0001 本发明公开了一种复合包覆型锂电三元正极材料的制备方法及三元理电池，将三元正极材料与具有优异离子电导的快离子导体材料和电子导电性的氧化物、导电聚合物纳米颗粒混合，通过管式炉对混合物高温热解处理，自然冷却至室温后，再与导电炭黑粉末、PVDF粉末、NMP溶液按比例混合制备得到电极浆料，将电极浆料冲为极片，组装成电池进行电化学性能测试。本发明采用三元正极材料作为前驱体，通过快离子导体粉末和导电氧化物、导电聚合物纳米颗粒双改性获得兼具优异离子电导和电子电导的复合包覆层，不仅提升了电极材料的界面动力学，还隔绝了电极材料与电解液的接触，有效改善了电极材料电化学性能及结构稳定性。
Resumen de: CN122320904A
本发明涉及生物医学工程与纳米药物递送技术领域，具体公开了同源膜纳米靶向抗脓毒性急性肾损伤药物递送系统，包括：实心硅球制备；介孔化及刻蚀；药物负载；同源细胞膜制备；包覆与融合；表征与质量控制；本发明采用KTP 修饰RBCM 囊泡能提供同源表面蛋白/受体，实现对肾小管细胞的高选择性识别与内吞，显著提高药物在病变肾组织的累积与生物利用度，从而增强治疗效果并降低系统性暴露；中空、介孔结构提供高载药量与可控释放位点，外覆同源膜既抑制生理条件下的早期泄漏，又在炎症、酸性微环境或细胞内环境中促进药物释放，兼顾缓释与靶向激活两方面优势。
Resumen de: CN122338292A
0001 本发明涉及电池薄膜制备技术领域，具体为一种用于固态电池的铝塑膜及其制备方法，包括以下步骤：基于脱水缩合反应机理，利用环氧基长链烷基硅氧烷型增容单体对纳米二氧化硅进行表面改性，制得表面含有环氧官能团和长烷基链的改性纳米二氧化硅；基于环氧开环反应与长烷基链增容作用，将改性纳米二氧化硅、PA6树脂与PP树脂经熔融共混及吹塑成型工艺，制得改性PA膜；以改性PA膜为外层、铝箔为阻隔层、CPP膜为热封层，通过干法复合工艺进行复合，制成铝塑膜。本发明制得的改性PA膜通过添加PP树脂和改性纳米二氧化硅，实现了吸水率显著降低以及尺寸稳定性得到显著提升的技术效果，同时薄膜表现出优异的力学性能。
Resumen de: CN122320902A
0001 本发明公开了一种多功能纳米共递送系统CEL‑TPP@siSurvivin/TDNP NPs的制备方法及其在乳腺癌治疗中的应用。该系统的构建方式为：将经三苯基膦修饰的CEL与羧基修饰的TPP进行桥连，产物与带负电的siSurvivin通过静电作用自组装形成纳米内核，最终包封于姜黄来源外泌体中制得。该递送系统呈均匀球形，表面光滑，具有良好的血清稳定性及细胞摄取能力。TPP修饰使其特异性靶向线粒体、破坏膜电位，协同siRNA敲降survivin基因，可以显著促进肿瘤细胞凋亡。该多功能纳米共递送系统解决了CEL水溶性差的问题，并保护siRNA免受核酸酶降解，实现高效协同抗肿瘤效应。
Resumen de: CN122324862A
本发明提供一种锌离子电池正极材料的制备方法。该方法以自制多孔Mn‑MOF为牺牲模板引入钒源，在保护气氛下经高温碳化处理，原位构筑出MnO‑MnV2O4‑V2O3三元异质结构。所制备的Mn‑MOF具备多孔纳米特征，比表面积大、孔道结构丰富，可实现钒源的高效负载与均匀分散，进而形成双活性位点协同作用的三元复合材料。在连续充放电循环过程中，双活性位点可显著增加电化学活性位点数量，同时三元异质界面能够强化界面轨道杂化效应，有效提升材料的电子导电性，从而显著提高锌离子电池的放电比容量与循环稳定性。
Resumen de: US20260183237A1
0000 The present invention relates to oil in water nanoemulsions which are essentially free of propylene glycol. The nanovesicle formulations are particularly stable in regard to shelf life at different storage temperatures.
Resumen de: US20260184941A1
0000 The present invention relates to a carbon nanotube dispersion, comprising carbon nanotubes, a first dispersant containing a nitrogen atom, a mixture of a second dispersant and cations, and a solvent, wherein the second dispersant contains at least one hydroxy group and at least one carboxyl group in an aromatic ring, and the cations contain at least one selected from the group consisting of an alkali metal ion, an alkaline earth metal ion, an aluminum ion, a transition metal ion, an ammonium ion and a sulfonium ion, and a method for preparing the same.
Resumen de: US20260184591A1
0000 A superconducting material is described. The superconducting material includes a rare-earth barium copper oxide (ReBCO) matrix, 0.01 to 0.5 weight percentage (wt. %), WO<3 >nanoparticles, based on the total weight of superconducting material, and 0.01 to 0.5 wt. % barium titanate nanoparticles, based on the total weight of superconducting material. A method of making superconducting material is also described. The method includes mixing WO<3 >nanoparticles, barium titanate nanoparticles, and ReBCO particles to form a particulate mixture; pressing the particulate mixture at a pressure of 500 to 1000 megapascals (MPa) to form a solid sample; and heating the solid sample at 800 to 1100 degrees centigrade (° C.) for 1 to 24 hours to form the superconducting material.
Resumen de: WO2026140969A1
The present invention provides a technology that makes it possible to easily perform ligand exchange. Provided is a quantum dot composition that is used to produce ligand-exchanged quantum dots by replacing at least a portion of ligands. A quantum dot composition according to the present invention comprises quantum dots, a solvent, and halogen ions, wherein: each quantum dot includes a core-shell particle that includes a core and a shell layer which covers the core and ligands that are coordinated to the surface of the core-shell particle; the shell layer includes Zn and S; the ligands include a first ligand that is a thiol and a second ligand that is at least one compound selected from the group consisting of amines, fatty acids, phosphine-based compounds, and alcohols; and the molar fraction of the first ligand to the ligands is within the range of 0.001-0.1.
Resumen de: US20260186144A1
0000 A sensor system which integrates metasurface-enabled optical sensing and illumination functionalities for tactile sensing via a sensing interface. The sensor system includes an illumination module including a light source and flat optics for projecting an illumination light (e.g. a pattern) toward the sensing interface, and an imaging module including flat optics and photodetectors for receiving the illumination light reflected or scattered by the sensing interface and capturing related optical signals including images. The captured optical signals are analyzed to detect interactions of an external object with the sensing interface. The disclosed system allows high performance characteristics, including ultra-wide fields of view, high-resolution imaging, and a significantly reduced form factor compared to traditional optical systems.
Resumen de: WO2026142686A1
The invention pertains to a binary heterojunction photosensitizer composed of graphitic carbon nitride (gCN) and black phosphorus (BP) for use in photodynamic therapy (PDT) to treat retinoblastoma. The gCN/BP binary heterojunction nanosheets enhance light absorption and charge carrier separation, activated by near-infrared (NIR) light to generate reactive oxygen species (ROS), inducing apoptosis in cancer cells. The photosensitizer accumulates selectively in tumor tissues, minimizing damage to healthy cells, and addresses BP's stability in biological environments, offering a durable, non-invasive treatment for retinoblastoma.
Resumen de: WO2026141825A1
The present invention relates to an oxygen evolution electrode catalyst comprising bismuth (Bi), wherein the bismuth exists together with iridium or an iridium compound to provide improved durability in an oxygen evolution reaction.
Resumen de: US20260183382A1
0000 The present invention relates to a gene carrier including a nanoparticle, oligo Ts bound to the surface of the nanoparticle, and for delivering polyadenylated nucleic acid molecules derived from a target gene, wherein the gene carrier has the effect of efficiently delivering the target gene into a cell without going through an additional processing step for binding the target gene and the carrier.
Resumen de: US20260184928A1
0000 The present invention enables organically modifying a starting particle with a variety of molecular structures, such as AlN, TiN, Si<3>N<4>, or SiC, uniformly on the entire surface of the starting particle using a common method to easily provide an organically modified inorganic fine particle with further improved dispersibility in a solvent. 0000 The present invention is a method for producing an organically modified inorganic fine particle. The method includes: forming an oxide layer, an oxyhydroxide layer, and/or a hydroxide layer on a surface of at least one or more kinds of starting particle selected from inorganic nitrides, inorganic carbides, inorganic sulfides, and insoluble salts; and organically modifying the starting particle, on which the oxide layer, the oxyhydroxide layer, and/or the hydroxide layer is formed, in a reaction field of a supercritical, subcritical, or gas phase aqueous solvent to obtain an organically modified inorganic fine particle.
Resumen de: US20260185084A1
0000 Compositions, systems, and methods for the display of analytes such as biomolecules are described. Display of analytes is achieved by coupling of the analytes to displaying molecules that are configured to associate with surfaces or interfaces. Arrays of analytes may be formed from the described systems for utilization in assays and other methods.
Resumen de: US20260183420A1
We disclose here the nano-enabled delivery of highly potent 5-hydroxymethyl furfural (5-HMF) to sickled blood cells in patients. 5-HMF, a superior antisickling agent, has been formulated to address the limitations of existing treatment modalities arising from disfavorable pharmacokinetics of the drug compound. Specifically, two complementary 5-HMF prodrugs are integrated as a ‘protected’ biocompatible composite nanoparticle designed to readily fuse with RBCs and be amenable to transdermal delivery (5-HMF-grafted-phospholipid layered over a sucrose-derived graphitic carbon dot core). These RBC-targeted, protected, biocompatible, self-assembled 5-HMF prodrug nanoparticles for sickle cell disease are the first in class technology for offering a treatment for sickle cell disease which has improved potency, targeted payload delivery, and extended release with the red blood cells with enhanced pharmacodynamic effect in a treated patient.
Nº publicación: US20260190850A1 02/07/2026
Solicitante:
ICFO INST DE CIENCIES FOT\u00D2NIQUES [ES]
INST CATALANA DE RECERCA I ESTUDIS AVANCATS ICREA [ES]
ICFO - INSTITUT DE CI\u00C8NCIES FOT\u00D2NIQUES
INSTITUCI\u00D3 CATALANA DE RECERCA I ESTUDIS AVAN\u00C7ATS (ICREA)
Resumen de: US20260190850A1
0000 A quantum dot population comprising silver chalcogenide quantum dots is disclosed, wherein the silver chalcogenide quantum dots do not include phosphine or halide. 0000 A method for obtaining the quantum dot population of the invention and an optoelectronic device comprising the quantum dot population are also disclosed.
BOPI
Sede Electrónica
