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408
results.
Updated on
26/07/2026 [07:09:00]
Absstract of: US20260209600A1
0000 Disclosed are a preparation method for a quantum dot, a preparation method therefor, and a light-emission material film. Controlling a dimension of a luminescent core of a core-shell quantum dot to be 10 nm to 20 nm may improve a blue light absorption rate and a light extraction efficiency during a light conversion process, such that an use amount of a quantum dot material in a device may be reduced, thereby saving a material cost. In addition, since the dimension of the luminescent core is larger than an exciton bohr diameter, a binding effect of excitons in a core is greatly improved, thus reducing a probability of excitons being quenched by interface defect states, and improving water-resistance and oxygen-resistance stability of the quantum dot material.
Absstract of: US20260209599A1
A core-shell quantum dot and a preparation method therefor, and a quantum-dot electroluminescent device. The core-shell quantum dot includes a seed crystal, a core layer covering a surface of the seed crystal, and a shell layer covering the core layer. Compared with a core-shell quantum dot in the prior art, a seed crystal is introduced in the structure of a core-shell quantum dot, a core layer is first grown on the seed crystal, and then a shell layer covering the core layer is formed, such that the nucleation uniformity of the core layer is improved, and the luminous efficiency of the quantum dot is improved.
Absstract of: US20260207731A1
The present disclosure relates to compositions of RNA encapsulated in lipid nanoparticles and methods of producing the same. The compositions can be used for delivery of mRNA to a subject. The lipid nanoparticles have improved properties for delivery of biologically active agents, such as RNA.
Absstract of: US20260210042A1
A material containing cellulose nanofibres, the material comprising a gel material comprising cellulose nanofibres in an aqueous medium, the cellulose nanofibres having 10% or more by weight hemicellulose. The cellulose nanofibres have a diameter of less than 100 nm, or less than 50 nm, or less than 20 nm. The gel material can be used as an adhesive to make laminates or to make paper by dewatering the gel material.
Absstract of: US20260213205A1
Provided are a carbon nanotube dispersion composition and a non-aqueous electrolyte secondary battery by using an electrode composite material slurry and an electrode film using the composition. The carbon nanotube dispersion composition contains containing carbon nanotubes having an average outer diameter of 3 nm or less, a polymer component, and a solvent, in which the polymer component contains a polyvinylidene fluoride resin, which may have a substituent as a main component, and the carbon nanotube dispersion composition has a particle diameter D90 at 90% volume accumulation in the particle size distribution measured by laser diffraction method of 2.0 μm or more and less than 20.0 μm, and a pH of 7.5 or higher.
Absstract of: US20260214941A1
0000 A method of forming a semiconductor device includes forming a fin on a substrate, the fin comprising alternately stacked first semiconductor layers and second semiconductor layers, removing the first semiconductor layers to form a plurality of spaces each between adjacent two of the second semiconductor layers, implanting oxygen into the second semiconductor layers, and forming a gate structure wrapping around the second semiconductor layers.
Absstract of: AU2026205363A1
Microemulsions are described where hydrophobic liquid droplets are distributed in a continuous hydrophilic liquid phase. The described microemulsions may be thought of as modified oil-in-water (MOIW) microemulsions, where both the “oil” and “water” phases of the microemulsion are modified. The oil phase droplets of the MOIW microemulsion are modified with alcohol and can solubilize alcohol- soluble species, including nonderivatized hormones. The polar continuous “water” phase of the MOIW microemulsion is modified with a sugar or sugar alcohol. ul u l
Absstract of: US20260207730A1
0000 The present disclosure provides lipid nanoparticles having a sphere like structure, compositions comprising the lipid nanoparticles and methods for delivery of the agents. The lipid nanoparticles have improved properties for delivery of biologically active agents, such as RNA.
Absstract of: EP4778893A1
Process for the management and valorisation of zero-waste agro-industrial olive oil waste, within the framework of the circular bioeconomy. The process is divided into two main stages 1.-Phase prior to the anaerobic digester which consists of the following stages -Reception and storage of the alperujo (olive pomace) -Separation of pulp and stone -Horizontal 3-phase centrifugation - Hydrothermal carbonisation of the acidic aqueous effluent and 2.- Anaerobic digestion phase obtaining products including -Biomass (stone, pulp, pomace and olive marc/pomace) -Olive pomace oil -Metallic hydrochar and/or metallic biochar with carbon-encapsulated iron nanoparticles -Nutrient-rich liquid -Gases composed mainly of CO2 -Green energy in the form of biogas and/or biomethane -Digestate for use as organic amendment or fertiliser feedstock. This innovative process allows the full valorisation of olive residues, contributing to sustainability and efficiency in the olive oil industry.
Absstract of: WO2025090158A2
A method for forming carbon nanotubes may include: volatilizing a metal alloy in a plasma to form an active catalyst; flowing the active catalyst and a carbon source into a floating catalyst chemical vapor deposition reactor; and pyrolyzing at least a portion of the carbon source on the active catalyst in a pyrolysis zone in the floating catalyst chemical vapor deposition reactor to form carbon nanotubes on the active catalyst.
Absstract of: EP4779710A1
A positive electrode material and a preparation method thereof, a positive electrode sheet, and a battery are provided. The positive electrode material includes lithium manganese iron phosphate particles and a first shell layer and a second shell layer that sequentially coat surfaces of the lithium manganese iron phosphate particles. A material of the first shell layer includes nano-sized SiO2 particles, and a material of the second shell layer includes nano-sized TiO2 particles. According to the present disclosure, the SiO2 layer and the TiO2 layer sequentially coat the surfaces of the lithium manganese iron phosphate particles, so that the contact between the lithium manganese iron phosphate particles and the electrolyte can be reduced, the occurrence of side reactions between the lithium manganese iron phosphate particles and the electrolyte in the electrochemical reaction process thereof can be inhibited, thereby alleviating the cycle life attenuation of the battery, reducing the dissolution of the Mn element, relieving the increase of the battery impedance caused by the deposition of Mn2+ on the negative electrode in the cycle process.
Absstract of: WO2025057162A1
A method of preparing an electrochemically active component made of a jellyfish-derived graphene matrix and electrochemically active material dispersed and/or entrapped within the matrix, and electrochemically active components obtained by this method are provided. The method is effected by depositing a mixture of a carbonaceous material that contains a jellyfish biomass and an electrochemically active material onto a conductive substrate, and exposing the conductive substrate to laser irradiation. Electrochemical systems integrating the electrochemically active component, for example, as an electrode such as an anode in alkali metal ion batteries and methods of preparing same are provided. A method of preparing a graphene matrix made of a jellyfish-derived graphene matrix, and a graphene matrix obtained by this method, are also provided.
Absstract of: EP4778882A1
0001 The present invention is in the field of Materials Engineering and Nanotechnology. More specifically, the invention discloses: a functional premix comprising nanoparticles and a carrier or compatibilizer; a process for obtaining the same; a process for modifying the properties of materials; and modified materials provided with improved properties. Surprisingly, the premix of the invention is useful for modifying properties of materials of different natures, such as polymers, metals, ceramic materials and/or composites of different materials. The premix of the invention provides several advantages in the transport, use, and incorporation of nanoparticles into different materials. In one embodiment, the invention provides notable modifications in the properties of polymers, breaking, in practice, with the previous concepts in this technical field. In another embodiment, the invention provides advantages when modifying the properties of metallic and/or ceramic materials.
Absstract of: CN122426737A
本发明公开了一种硅碳负极材料的制备方法，将Fe(NO3)3·9H2O、Mg(NO3)2·6H2O、Al(NO3)3·9H2O、Na2MoO4·2H2O 和尿素溶于去离子水，经过处理，研磨成棕黄色粉末；采用化学气相沉积法，将棕黄色粉末先通入保护气升温至目标温度，然后通入CH4气体，反应一段时间，得到石墨烯/单壁碳纳米管杂化物；再次通入保护气，冷却，随后通入C2H4气体，反应，在保护气氛围下冷却至室温，得到石墨烯/单壁碳纳米管杂化物材料；活化；进行纯化，再经过后处理得到多孔碳材料；将多孔碳均匀分散后升温至380‑650℃，通入硅烷混合气，气相裂解沉积硅形成多孔碳材料、硅碳负极材料。
Absstract of: CN122426794A
本发明公开了一种快离子导体‑电子导体正极材料前驱体及其制备方法，属于锂电池正极材料技术领域，制备方法：S1、在惰性气氛下，将正极材料前驱体、快离子导体原料和界面反应组元进行真空干燥处理；S2、转移至密封的低温球磨罐；S3、保持低温环境；S4、分步球磨；S5、泄压，得到包覆正极材料前驱体；S6、与光固化导电浆料混合；S7、紫外光照固化，形成聚合物/碳/银复合包覆层；S8、低温热处理，得到快离子导体‑电子导体正极材料前驱体；本发明在低温机械化学协同作用下，诱导前驱体表面发生原位反应形成强键内层，通过光固化构建分散有纳米银颗粒的碳基复合导电外层，解决传统包覆技术界面结合弱与电子电导率低的双重瓶颈。
Absstract of: CN122426738A
本发明提供了一种基于原子级调控的杂原子晶格掺杂诱导晶粒再生的高导热性能的石墨烯导热膜及其制备方法。通过原子级调控手段在石墨烯晶格中引入杂原子，产生可控的晶格畸变，经高温石墨化处理，使杂原子分解产生的原子级空位和缺陷定向诱导碳原子迁移和晶粒再生长，从而获得高结晶度、大晶粒尺寸的石墨烯膜。所述原子级调控手段包括：前驱体分子结构设计、原子层沉积/刻蚀辅助掺杂、程序化热解‑脱嵌控制，结合石墨化阶段气相含碳游离自由基浓度调控，协助碳原子迁移和重排过程，为原子级空位或原位缺陷修复提供可捕获活性碳源。为石墨烯导热膜的原子级缺陷修复提供一种定向可控的方法。
Absstract of: CN122426727A
本发明涉及一种长寿命碳纳米管掺杂硬碳负极材料的制备方法。它包括：FCNTs 材料的制备、超声分散、材料敏化、FCNTs@Ag材料的制备、磷、碳纳米管共掺杂糖水凝胶衍生硬碳材料制备，本发明创造性地结合凝胶碳化法、化学镀法、掺杂法制备硬碳负极材料，所制备材料具有循环性能好、倍率高、阻抗小的特点。
Absstract of: CN122436375A
本发明公开了一种高度褶皱的氮掺杂多孔炭纳米片的制备方法和应用，涉及炭材料技术领域，具体包括：将聚乙烯和三聚氰胺混合均匀，得到混合物前驱体；将所述混合物前驱体在惰性气体中进行热解，得到高度褶皱的多孔炭纳米片；所述聚乙烯为直径为0.5‑5mm的颗粒；所述聚乙烯和三聚氰胺的质量比为1:0.5‑1:5；所述热解的温度为600‑900℃。本发明以聚乙烯为原料，三聚氰胺为膨胀剂，在升温过程中聚乙烯先融化，随后三聚氰胺热解释放大量的化学气体将熔融的聚乙烯吹胀，最后在600‑900℃的范围内进行热解，得到具有高度褶皱的多孔炭纳米片。本发明制备方法简单，可操作性强，可以直接获得高度褶皱的多孔炭纳米片，不需要后处理过程。
Absstract of: CN122426721A
本发明涉及极片回收技术领域，尤其是涉及一种磷酸铁锂正极材料的回收方法。本发明提供的磷酸铁锂正极材料的回收方法，包括以下步骤：将磷酸铁锂废旧极片依次进行第一烧结、第一分离、破碎、研磨、喷雾造粒和第二烧结；或者，将磷酸铁锂废旧极片依次进行第二分离、破碎、研磨、喷雾造粒和第三烧结，第一烧结和第三烧结的过程中，升温至烧结尾气中的HF浓度变化速度为0时停止升温，烧结尾气中的HF浓度为450~550ppm时停止烧结。该方法能够适应不同PVDF含量的极片，在最大限度去除PVDF的同时保留磷酸铁锂正极材料的原有性能和结构完整性，并将PVDF烧结产物转化为包覆层，改善回收磷酸铁锂正极材料的性能。
Absstract of: CN122427671A
本发明涉及碳纳米材料与荧光功能材料技术领域，具体涉及一种氮掺杂碳量子点及制备方法和应用。方法包括：以生物质为碳源，以二乙烯三胺为氮源，将生物质与二乙烯三胺共同混合于水中，得到混合溶液；将混合溶液进行水热反应，得到氮掺杂碳量子点。本发明制得的氮掺杂碳量子点具有优异的光稳定性、低毒性、良好的生物相容性和易于功能化的特性，将其应用于四环素的荧光检测，通过静态猝灭和内滤效应的机理识别TC分子，提供了丰富的位点，是提升其传感性能的关键策略。
Absstract of: CN122426736A
本发明公开了一种大黄酸/精氨酸基碳纳米线及其制备方法与应用，属于碳纳米材料技术领域。本发明为将L‑精氨酸溶于水中以形成弱碱性环境，加入大黄酸搅拌并超声分散；经无模板水热反应，引导前驱体分子发生一维超分子自组装，得到碳纳米线。该制备过程条件温和、简单环保。制得的碳纳米线具有优异的抗氧化能力，在抗氧化、抗炎及生物医药领域具有广阔的应用前景。
Absstract of: CN122436459A
一种锂电池硅碳负极材料及其生产工艺，属于锂电池硅碳负极材料生产加工领域，该材料由硅碳颗粒、碳纳米管、导电剂、改性PAA弹性粘结剂及微量金属锂组成，在硅碳颗粒表面通过干法原位缠绕碳纳米管形成缓冲层，碳纳米管与硅碳颗粒间通过激光诱导形成Si‑N‑C共价键，硅碳颗粒内部设有筛分型孔道并负载金属锂实现原位预锂化。生产工艺包括干法缠绕、激光诱导、孔道制备、原位预锂化及混合制浆步骤，本发明同步解决了现有硅碳负极材料体积膨胀、界面开裂、首效偏低的核心问题，提升了电池循环稳定性和能量密度，工艺简化、适配量产，降低生产成本，具有良好的工业应用价值。
Absstract of: CN122426734A
本发明涉及食品保鲜技术领域，提供了一种虾壳‑桑叶复合碳点及其制备方法和应用，制备方法包括：S1.将虾壳粉和桑叶粉按照预定的比例分散于溶剂中，形成悬浮液，调整悬浮液的pH值至4.5‑5.5；S2.将悬浮液进行两段式梯度控温水热反应：第一阶段将反应体系升温至110‑130℃并保温2‑3h；第二阶段将反应体系升温至160‑200℃并保温5‑8h；S3.反应结束后过滤、透析、冷冻干燥得到所述虾壳‑桑叶复合碳点。本发明的虾壳‑桑叶复合碳点粒径小、均一性好、分散性好，表面官能团更丰富，具有快速抑菌与长效保鲜的综合效果；本发明制备方法能避免碳点制备过程中原料的局部碳化和颗粒团聚，且可减少碳核缺陷的生成，提升了碳点的产率。
Absstract of: CN122427670A
一种可大批量合成的室温磷光碳量子点材料及其制备方法，其属于发光碳点材料技术领域。该制备方法包括称取一定比例的均苯四甲酸二酐、三聚氰胺和硼酸，在石英研钵中充分研磨后置于刚玉坩埚中，在150~300 oC条件下煅烧2~12 h，待反应结束后降温至室温，研磨成均匀的粉末后得到最终产品。本发明通过创新的调配原料，实现室温磷光碳量子点，同时，制备工艺采用一步高温固相法，工艺流程简洁，成本低廉及不依赖溶剂，可大批量制备具有室温磷光的碳量子点材料且具有出色的重现性。
Nº publicación: CN122403427A 17/07/2026
Applicant:
中国科学院理化技术研究所
Absstract of: CN122403427A
本发明公开一种碳点声动力抗菌剂及其应用。所述抗菌剂的活性成分为碳点，所述碳点由包括如下步骤的方法制备得到：将碳源或氮源溶解或分散于溶剂中，于密闭条件下反应，经净化、冻干，得到所述碳点；其中，所述反应的温度为100‑300℃，时间为12‑24小时。该碳点声动力抗菌剂在频率0.5~3 MHz、功率密度0.5~2 W/cm²的超声波刺激下，碳点可高效催化水体中溶解氧转化为¹O2，单线态氧生成量子产率高达0.90以上，对革兰氏阳性菌、革兰氏阴性菌及耐药菌的24 h杀菌率均≥ 99.9%。本发明的碳点声动力抗菌剂在伤口感染治疗、医疗器械消毒、水产养殖抗菌等领域具有广阔应用前景。
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