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359
results.
Updated on
24/10/2026 [08:06:00]
Results 325 to 350 of 359
Absstract of: CN122822785A
0001 本发明属于复合催化材料技术领域，具体涉及一种Pt/Sn‑GCN@CeO<2>介孔异质结构甲醇氧化电催化剂及其制备方法。所述催化剂包括Pt纳米团簇活性组分、Sn改性石墨相氮化碳（Sn‑GCN）基底、氧化铈。在光助MOR测试中，该催化剂展现出优异的峰值电流密度与长效运行稳定性。原位红外表征与密度泛函理论（DFT）计算表明，Ce‑O‑Sn界面轨道杂化可有效调控Pt纳米团簇的电子结构，显著提升催化剂对甲醇及OH<‑>物种的活化能力，同时弱化CO毒性中间体的吸附与累积。这种促进底物活化、抑制中间体毒化的双重调控机制，协同优化了催化活性与结构耐久性。为高性能Pt基甲醇氧化催化剂的合理设计与机理探究提供了可行策略，亦为新型能源催化材料的开发提供重要参考。
Absstract of: CN122822732A
0001 本申请提供一种复合硅碳材料及其制备方法、应用，该复合硅碳材料包括基体材料，以及在基体材料的表面形成的第一包覆层；其中，基体材料包括硅碳材料；第一包覆层包括Mo<2>N、MoP。本申请在基体材料的表面形成包含Mo<2>N和MoP的第一包覆层，能够协同改善硅碳材料的导电性、离子传输动力学和体积稳定性。
Absstract of: CN122822902A
本发明公开一种全固态锂离子电池结构及其制备方法，属于全固态锂离子电池技术领域。该制备方法通过锂源、钠源、铝源、钛源与草酸先混合煅烧得到Al@Na2Li2Ti6O14，然后再与碳源混合，得到Na2Li2Ti6O14复合负极材料；将PEO、锂盐、LAGP和乙腈混合后通过溶液浇铸得到PEO/LAGP复合固态电解质膜；将Na2Li2Ti6O14复合负极材料、炭黑、粘结剂与DMF形成的负极浆料涂覆于集流体表面，干燥后剪裁得到电极片；按照负极壳、锂片、PEO/LAGP复合固态电解质膜、电极片、不锈钢垫片、弹簧片和正极壳的顺序电池结构。本发明新型全固态锂离子电池结构具有较高的充放电比容量和稳定的循环性能。
Absstract of: CN122811836A
0001 本发明属于催化材料技术领域，公开了一种纳米氧化铈负载铜复合材料的制备方法。该方法首先采用水热法制备氧化铈载体，将铈盐与碱性溶液反应形成前驱体，在80～120℃条件下水热反应12～48h，经洗涤、40～100℃真空干燥12～24h，在惰性气氛下煅烧2～4h得到氧化铈材料；随后将氧化铈分散于去离子水中，加入不同量的铜盐溶液，经室温搅拌、洗涤、真空干燥及在惰性气氛下煅烧1～3h，得到氧化铈负载铜材料。与未负载铜的氧化铈材料相比，氧化铈负载铜材料在CO<2>饱和电解液中表现出显著增强的电流密度响应，且在CO<2>电还原过程中，在‑0.6～‑1.5V vs.RHE电位范围内对甲烷(CH<4>)的法拉第效率最高可达60％，对乙烯(C<2>H<4>)的法拉第效率最高可达43％，表明该材料具有优异的CO<2>电催化还原活性以及良好的目标产物生成能力。
Absstract of: CN122806532A
0001 本发明涉及电催化剂技术领域，具体公开了一种由碳量子点制备氮、硫掺杂碳基过渡金属单原子催化剂的放大合成方法。所述方法包括：(1) 将木质素磺酸钠与尿素加入至乙二醇水溶液均匀混合，经水热处理得到氮、硫掺杂碳量子点；(2) 在800℃下对生物质纤维素原料进行碳化处理得到纤维素基多孔碳材料；(3) 将该纤维素基多孔碳材料、氮、硫掺杂碳量子点和过渡金属盐溶液混合干燥，与含氮化合物研磨后在惰性气氛中于800‑1000℃下进行二次碳化，最终获得生物质衍生氮、硫掺杂单原子碳基催化剂。该催化剂具有高比表面积和丰富的活性位点，展现出优异的催化活性。本发明所用生物质原料，来源丰富且廉价易得，制备工艺简单，为废弃资源的高值化利用提供了有效途径。
Absstract of: CN122810343A
本发明公开了一种肝靶向非布司他聚前药及其制备方法、制剂和应用。所述聚前药为两亲性嵌段共聚物，包括亲水性嵌段和含非布司他药物单元的疏水性嵌段；亲水性嵌段上连接有肝靶向配体；非布司他药物单元通过响应性可断裂连接基团共价引入疏水性嵌段中。聚前药能够在水性介质中自组装形成纳米粒子，疏水性嵌段构成其核层，亲水性嵌段构成其壳层。该纳米粒子具有良好的水分散性、细胞相容性、肝脏富集能力和响应性释药性能，能够实现非布司他的稳定递送、肝脏滞留和持续释放，可用于平稳降低血尿酸水平、延长降尿酸作用时间、降低血尿酸水平波动，并减少治疗初期因血尿酸快速下降所诱发的痛风急性发作风险，适用于制备尿酸代谢异常疾病的药物。
Absstract of: CN122810816A
本发明涉及环境与食品安全检测技术领域，尤其涉及一种基于生物质碳量子点/铜纳米簇的双比色荧光探针传感体系、制备方法及高灵敏检测亮蓝的应用。该传感体系以橘皮基生物质碳量子点作为蓝光参比组分，以还原型谷胱甘肽一步合成的铜纳米簇作为红光响应组分，并配合分散介质形成；橘皮基生物质碳量子点与铜纳米簇的质量比为1.5–2.5:1。本发明所制备的探针传感体系对亮蓝响应灵敏、选择性和重复性良好，抗干扰，稳定，可同时用于溶液分析和便携式纸基检测，具有实际应用潜力。
Absstract of: CN122810028A
0001 本发明公开了一种微流控与超临界二氧化碳耦合制备钙钛矿量子点的方法，属于纳米材料及光电材料的制备技术领域，本发明的方法包括：1）将A位阳离子卤化物、B位金属离子卤化物共同分散于极性溶剂中至完全溶解，加入配体搅拌至均相，形成前驱体溶液；2）预先将微反应区与反应通道预热，连接CO<2>钢瓶的高压注射泵升压至指定压强并使压强稳定；3）将步骤1）中的前驱体溶液与超临界二氧化碳同时输送到微反应区，并通过流速来控制混合溶液的停留时间；4）将步骤3）中不同停留时间的产物通过低温反应区淬灭生长后，获得粗样品；5）将所得粗样品进行纯化即可得到目标产物。本发明方法高效、可控，制备的钙钛矿量子点可以用于显示等领域。
Absstract of: WO2025048783A1
A nano- structured alloy material includes a nanoparticle; a matrix phase surrounding the nanoparticle; and an alkali/ alkali Earth metal to alter (i) a material property of the nanoparticle, (ii) a material property of the matrix phase, and (iii) an interaction of the nanoparticle with the matrix phase.
Absstract of: CN122809529A
0001 本发明公开了一种基于循环超声雾化制备二维二硫化钼量子点的方法，以商业化二硫化钼粉末为原料，以四丁基四氟硼酸铵为插层剂，分散于去离子水与碳酸丙烯酯的混合溶剂中形成悬浮液；通过循环超声雾化将悬浮液分散为微米级雾滴，同时施加高压直流电场使雾滴荷电形成带电微液滴；利用带电微液滴的界面电场效应、限域传质效应与铵盐离子插层作用协同促进二硫化钼层间剥离，经循环反应后，再通过离心、过滤及透析纯化得到二维二硫化钼量子点。本发明在常温常压下实现二硫化钼粉末向尺寸均一量子点的一步转化；具有工艺简单、反应条件温和、原料利用率高、产物尺寸分布窄的优点，适用于二维二硫化钼量子点的规模化制备。
Absstract of: CN122809432A
0001 本发明提供了一种反位缺陷梯度分布的磷酸铁锂材料及其制备方法和应用，该磷酸铁锂材料包含一次颗粒，一次颗粒为块体区，块体区包含表层区，表层区为自一次颗粒外表面向内5nm～50nm的区域；表层区的Li‑Fe反位缺陷浓度低于所述块体区的Li‑Fe反位缺陷浓度，所述表层区与所述块体区的Li‑Fe反位缺陷浓度比值为0.08～0.60：1；磷酸铁锂材料通过热处理构建块体受控反位，再经表层补锂和快速重排退火形成梯度分布的反位缺陷。本发明在保持磷酸铁锂材料本征性能的同时，兼具较优的倍率性能和循环稳定性，适用于高功率、长寿命锂离子电池，具有良好的工业化应用前景。
Absstract of: CN122823024A
本发明涉及锂离子电池领域，尤其涉及含有硼酸锌及多级结构隔膜涂层、复合隔膜及其制备方法。本发明提出具有核‑壳‑表层三级结构的硼酸锌功能粒子，包括多孔中空结构内核、聚多巴胺壳层和含硼交联剂表层；表层含硼交联剂与改性粘结剂的活性官能团在高温下发生化学交联反应，原位形成致密含硼碳硅复合保护层，实现“物理热关闭”与“化学自组装增强”的双重防护；通过聚多巴胺壳层的引入，同时改善无机粒子与有机粘结剂、无机粒子与基膜的界面结合力；实现了具有智能响应特性且界面相容性优异的新型硼酸锌基复合隔膜涂层及复合隔膜，降低了界面阻抗，提升了锂离子电池的电化学稳定性、循环寿命和阻燃效果。
Absstract of: WO2026194133A1
Disclosed is a multi-layer plating process for optimizing the surface properties of a substrate. The process is characterized by comprising the following steps: pretreating the surface of a plating substrate, so as to improve the surface finish of the substrate and remove contaminants from the surface of the substrate; electroplating the substrate by using a nickel pre-plating solution; and performing electroless plating, i.e., placing the pre-plated substrate in a composite electroless plating solution for electroless plating, wherein the composite electroless plating solution comprises a basic plating solution and second-phase particles, the second-phase particles are nanometer niobium carbide, and during the electroless plating, the second-phase particles are encapsulated and embedded in an alloy plating layer, and are therefore dispersed in the matrix metal of the plating layer in a discrete manner to form a discontinuous phase. The hard niobium carbide particles are added and dispersed in the matrix (Ni-P alloy) of the plating layer. These hard particles can effectively refine the matrix metal, thereby improving the hardness of the matrix metal. The niobium carbide hard-phase particles exhibit high hardness, good wear resistance, high yield limit and compressive resistance.
Absstract of: US20260285685A1
A method for preconditioning a supported metal catalyst that is to be used for the continuous, semi-continuous or batch production of carbon nanotubes (CNT) in a reactor, before the catalyst is fed into the reaction chamber at high temperature. The method involves treating an amount of the catalyst in a gas flow at an elevated preconditioning temperature for a preconditioning time.
Absstract of: US20260286411A1
An efficient process for producing bacterial nanocellulose (BNC) in high yield and in a shorter duration of 5-10 days, by using a rotatory disc bioreactor. The bacterial strain used to achieve high concentration of BNC is K. rhaeticus MCC 0157.
Absstract of: US20260284421A1
Deep-brain stimulation (DBS) with implanted electrodes revolutionized treatment of movement disorders and empowered neuroscience studies. Identifying less invasive alternatives to DBS may further extend its clinical and research applications. Nanomaterial-mediated transduction of magnetic fields into electric potentials offers an alternative to invasive DBS. Core-double shell g magnetoelectric nanodiscs (MENDs), such as Fe3O4—CoFe2O4—BaTiO3, with efficient magnetoelectric coupling are disclosed. The MENDs may exhibit a robust response to magnetic field stimulation in neurons decorated with MENDs at a density of 1 μg/mm2 even though individual-particle potentials may be below the neuronal excitation threshold. MENDs injected into the ventral tegmental area of genetically intact mice at concentrations of 1 mg/mL may enable remote control of reward behavior and provide a mechanistic optimization of magnetoelectric neuromodulation.
Absstract of: US20260287884A1
0000 The present disclosure provides, in part, compositions, devices, and objects comprising gravity responsive particles (GRPs) comprising optical property-changing effects that respond to mechanical forces, methods of manufacturing the same, and uses thereof in a variety of applications.
Absstract of: US20260293363A1
0000 A process for the preparation of a doped photomobile polymer characterised by having no rubbing stage is described, as well as the photomobile polymer obtained by said process and a handling device for moving a single solar cell to a photovoltaic panel comprising said photomobile polymer.
Absstract of: US20260284259A1
A method of producing a bioactive surface on a medical device configured for cementless implantation, the method comprising providing a medical device comprising a surface formed of titanium metal or a titanium alloy, treating the surface with an acidic solution consisting of nitric acid to form an activated surface, treating the activated surface using a plasma electrolytic oxidation process in an electrolyte solution to form an oxidized surface comprising a microporous oxide layer having bioactive elements, compounds, or phases, and chemically treating the resulting oxidized surface with an alkaline solution to form a bioactive surface comprising a structure selected from the group consisting of: a nanofibrous network, a composite of a nanofibrous network and nano-to-micro sized calcium phosphate particles, and a composite of the nanofibrous network, nano-to-micro sized calcium phosphate particles and a film comprising hydroxyapatite.
Absstract of: US20260284742A1
0000 A metal nanostructure may be prepared by a process including coating a substrate with a solution, where the solution includes one or more metal salts and a first solvent. The one or more metal salts may be configured to dissolve in the first solvent. The process may further include adding a second solvent to the coated substrate until one or more metal salt crystals precipitate over a surface of the substrate. The second solvent may include an antisolvent where the one or more metal salts of the solution are insoluble in the second solvent. The process may further include performing a microwave heating process to apply microwave heat to the substrate while the second solvent is present to induce thermal decomposition of the one or more metal salts until the metal nanostructure is formed on the surface of the substrate.
Absstract of: US20260293072A1
The present disclosure provides a protective enclosure for electronic systems. The enclosure comprises a polymer-containing matrix and a metamaterial incorporated into the matrix. The metamaterial is tuned to a specific permittivity or permeability to absorb or reflect a particular frequency. The protective enclosure may be used to create a safe inner environment for electronic components while facilitating uninterrupted wireless communications to/from the outer environment. Additionally, the protective enclosure may be used to protect against electromagnetic interference. In particular, shielding metamaterials are configured individually or in combination to specifically shield (via reflection, absorption, etc.) against relatively wide bands of electromagnetic frequencies, while transparent metamaterials are configured specifically to pass electromagnetic signals within narrow bands of frequencies. This new approach resolves and vastly improves current shield solutions, such as Faraday cages. For example, tuned metamaterials may be configured across a variety of preconfigured frequencies, and can be constructed of lightweight materials.
Absstract of: WO2026198404A1
A method of making a photonic device includes forming at least one photonic device layer over a substrate, forming a nanoimprint lithography resist layer over the at least one photonic device layer, imprinting the nanoimprint lithography resist layer using a nanoimprint lithography template to form a patterned nanoimprint lithography resist layer having a first pattern, and patterning the at least one photonic device layer to include the first pattern.
Absstract of: US20260285701A1
0000 A preparation method for a two-dimensional nanosheet. The method includes: performing a calendering treatment on non-Van der Waals layered crystal particles, and then performing mechanical exfoliation, so as to obtain a two-dimensional nanosheet. Mechanical exfoliation is commonly referred to as a scotch tape method, and mechanical exfoliation may only be performed by using an adhesive tape (sometimes, the assistance of an interposer is required) when the interlayer interaction of a bulk material is dominated by a weak van der Waals force; however, there is significant electron density overlapping between layers of many functional materials with layered stacked crystal structures, and the electron density overlapping forms a non-Van der Waals structure, which cannot be directly exfoliated by using the adhesive tape. In the present method, few-layer or even single-layer structures of various non-Van der Waals layered crystal materials are successfully obtained for the first time by means of a calendering pretreatment combined with mechanical exfoliation; in addition, a new physical phenomenon can be observed in an exfoliated two-dimensional crystal.
Absstract of: ES3079489A1
Soporte para la detección de Triperóxido de triacetona (TATP) y Procedimiento de fabricación del mismo. Soporte para la detección de triperóxido de triacetona (TATP) práctico y de fácil que comprende una base laminar de vidrio, una capa de polidimetilsiloxano (PDMS), una capa de partículas de sílice y un compuesto naftaleno-1,8-dicarboxilmonoimida de detección de TATP. Procedimiento para la fabricación del soporte con las siguientes etapas: provisión de una base laminar de vidrio, limpieza con etanol, gas limpio y seco a un recubridor por centrifugación, deposición sobre la base laminar de vidrio de PDMS, introducción de la base laminar de vidrio con PDMS en el recubridor por centrifugación, actuación del recubridor por centrifugación en vacío, deposición de la capa de partículas de sílice, curado en horno, adsorción del compuesto naftaleno-1,8-dicarboxilmonoimida sobre la capa de sílice.
Nº publicación: WO2026196032A1 24/09/2026
Applicant:
DAUTOV JAROSLAV [CA]
DAUTOV, Jaroslav
Absstract of: WO2026196032A1
This invention presents an advanced high-efficiency alkaline hydrogen electrolyzer utilizing a Nickel-Chromium (Ni- Cr) Nanohelix electrode structure. Unlike traditional proton exchange membrane (PEM) electrolyzers that rely on costly platinum-group metals (PGMs), this system enhances hydrogen evolution reaction (HER) kinetics using a durable, cost- effective transition metal-based catalyst.Achieving 85% efficiency at 300-500 mA/cm2 with hydrogen costs of $1.50/kg, this electrolyzer offers an economical, sustainable, and scalable solution for green hydrogen production.
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