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359
results.
Updated on
24/10/2026 [08:06:00]
Results 175 to 200 of 359
Absstract of: CN122856250A
0001 本申请涉及一种镍基异质结催化剂及其制备方法和应用，所述镍基异质结催化剂包括导电基底和负载于所述导电基底表面的异质结结构，所述异质结结构包括Ni(OH)<2>和Ni
Absstract of: CN122868475A
本发明涉及锂离子电池领域，尤其涉及一种以钛酸锂为基底的硅碳负极材料及其制备方法。本发明利用多孔钛酸锂取代常规的多孔碳基底，内层钛酸锂以微孔为主，外层钛酸锂以介孔为主，梯度孔隙结构设计可以最大限度的沉积硅颗粒，微孔、介孔结合协同作用，微孔比表大、提供足够沉积位点，介孔提供沉积空间，容纳更多硅颗粒，预留膨胀空间且提供锂离子迁移通道，同时具有良好的电解液浸润，倍率表现优异，也避免了表面浮硅层；最后对充分沉积硅颗粒的多孔钛酸锂进行碳包覆处理，隔绝电解液、提升导电性，复合材料具有优异的综合性能。
Absstract of: CN122868483A
0001 本发明提供了一种铋铜复合多孔碳负极材料、负极极片及锂离子电池。该种铋铜复合多孔碳负极材料、负极极片及锂离子电池，采用单相固溶体铋铜合金，实现原子级均匀混合，可避免两相分离，消除相界面应力集中，抑制材料内部微裂纹的产生与扩展，有效延长电池使用寿命，氮硼双掺杂多孔碳骨架可完整限域包覆铋铜合金纳米晶，既能缓冲充放电过程中的体积变化，杜绝材料粉化脱落，大幅提升循环稳定性，还能优化碳层导电与界面性能，降低电荷转移阻抗，有效改善电池倍率性能与首次库伦效率，同时双层梯度孔极片结构可兼顾电极高负载与快速离子传输，底层致密层保障体积能量密度，上层梯度贯通孔道构建连续锂离子扩散路径，有效缓解厚电极浓差极化问题。
Absstract of: MX2025003841A
The present invention relates to a three-dimensional plasmonic network for remotely enhanced Raman spectroscopy (SERS) execution, wherein said three-dimensional plasmonic network (100) is characterised in that it comprises a plurality of self-assembling layers of flexible dielectric material (10); at least one heterogenous lattice structure of flexible dielectric material (20) intertwined and interconnected, with each of said self-assembling layers of flexible dielectric material (10); and a plurality of plasmonic nanostructures (30) which are randomly adhered to the plurality of self-assembling layers of flexible dielectric material (10) and to the heterogenous lattice structure of flexible dielectric material (20), forming a heterogenous composition of materials which serve as a substrate which, when excited with visible or infrared light, propagates said light generating hot spots along a certain volume, transmits SERS signals over a certain volume and allows molecular identification in an ultrasensitive and remote manner in three dimensions.
Absstract of: CN122853332A
本发明公开了一种在毫微通道中利用气液固三相均匀剪切流制备二维六方氮化硼纳米片的方法；该方法通过悬浮液流变调控与毫微通道限域效应，协同构建稳定气液固三相流场，从而获得均匀的剪切流场的空间分布，实现可控剪切剥离；本发明在保证六方氮化硼充分剥离的同时，降低局部峰值剪切应力，减少纳米片碎裂，提升所得二维六方氮化硼纳米片的横向尺寸保持率、厚度均一性及结构完整性；本发明工艺连续、条件温和、能耗低，适于二维六方氮化硼纳米片的大规模制备。
Absstract of: CN122853367A
本发明涉及碳纳米管制备技术领域，公开一种单壁碳纳米管的制备方法及CVD反应装置，将碳源气体与保护气体的混合工艺气体从反应腔的下部持续通入并从其上部排出尾气，以在反应腔内形成自下而上的上升气流；同时，将催化剂从反应腔的上部持续加入，催化剂由于表面生长有单壁碳纳米管而增重并逆流沉降，最后从反应腔的下部持续排出，得到单壁碳纳米管。通过构筑流态化平衡场，实现工艺全流程的连续化。在相同设备体积下，将单壁碳纳米管的生产效率和产能大幅提高至两倍以上，可达到0.5g/min。
Absstract of: CN122850803A
本发明涉及电磁波吸收材料领域，公开一种有梯度空心纳米结构的铁钴合金制备方法及应用，其制备方法包括：通过苯甲酸水热刻蚀，制备梯度空心纳米普鲁士蓝作为前驱体骨架；用十六烷基三甲基溴化铵活化骨架表面，同时用硝酸钴和二甲基咪唑溶液浸渍，在骨架结构上包覆一层ZIF‑67；然后经惰性气体煅烧，得到最终具有梯度空心纳米结构的铁钴合金。本发明工艺流程简单，制备无需大型设备，可批量生产，制备得到的中空铁钴纳米颗粒具有优异的低频吸收能力和宽频吸收能力，解决了目前吸波领域传统金属材料密度高、吸收频带窄和新型碳纳米材料损耗机制单一、低频吸收弱的问题。
Absstract of: WO2019204869A1
The present invention relates to improved prodrugs, and compositions thereof. In particular, it relates to amphiphilic gemcitabine prodrugs or amphiphilic prodrugs of other biologically active molecules with the capacity to make liquid crystalline nanostructured nanoparticles, and uses thereof to treat animals, including humans.
Absstract of: CN122856315A
本发明提供一种石墨烯‑铜的复合导线制备方法及复合导线，该制备方法包括：将石墨烯粉末浸泡于预设浓度四水醋酸镍溶液，过滤烘干后在惰性气氛下热处理，再经酸液浸泡制得负载镍纳米颗粒石墨烯粉末。预处理纯铜板与铜线，采用稀盐酸浸泡清洗。将镍负载石墨烯粉末与表面活性剂超声分散得到Ni@Gr悬浮液，加入五水硫酸铜继续超声，配制沉积前驱液。对前驱液进行超声搅拌混匀，以纯铜板为阳极、铜线作为阴极，采用脉冲电流电沉积工艺实施复合电镀，最终进行退火处理，制备获得高导电复合导线。本发明解决了现有技术中的Gr在水溶液中难以分散及与Cu结合较差导致制备出的导线电导率差的问题。
Absstract of: CN122853458A
本发明属于钠离子电池正极材料技术领域，旨在提供一种高性能硫酸铁钠正极材料的水系球磨煅烧制备工艺及应用。该方法以去离子水为唯一介质，在室温机械化学条件下同步实现Fe2+/SO42‑的均匀分散与导电碳网络原位构建。所得Na2.6Fe1.7(SO4)3/CNTs‑1复合产物经电化学验证：在0.1 C倍率下首次放电比容量达94.63 mAh/g，1 C倍率下仍保持91.16 mAh/g，1 C循环500次容量保持率为91.10%。本工艺绿色、安全、成本低，适合工业放大，为宽温域、高倍率钠离子电池提供高性能正极材料及可工业化技术路线。
Absstract of: CN122853965A
0001 本发明公开了废旧磷酸铁锂黑粉全组分回收及纳米缓释肥制备方法，包括以下步骤：S1、将废旧磷酸铁锂黑粉与低共熔溶剂混合，在超声辅助条件下进行脱氟与解离处理，使黑粉中的含氟有机物进入液相，并使石墨颗粒与磷酸铁锂颗粒解离，固液分离后得到脱氟解离固体和含氟液相；S2、将脱氟解离固体配制成浆料，并采用离心重力分选方式对浆料进行分选，得到石墨精矿和磷酸铁锂精矿；S3、对石墨精矿进行水浸处理，使石墨精矿中的残余锂进入水相，固液分离后得到石墨滤渣和含锂水浸液；S4、对磷酸铁锂精矿进行选择性氧化浸出处理。与现有技术相比，本发明实现了石墨、锂、铁、磷等组分的全组分资源化回收，减少了资源浪费和固废处置压力。
Absstract of: CN122868545A
本发明涉及电池技术领域，特别是涉及一种复合集流体及其制备方法和无负极钠离子电池。复合集流体包括集流体基材、涂覆于所述集流体基材表面的主功能层以及设置于所述主功能层表面的弹性缓冲层；所述的主功能层包括金属氮化物复合碳纳米纤维以及粘结剂；所述的弹性缓冲层包括聚合物网络以及分散在所述的聚合物网络中的磷酸钠盐纳米颗粒。主功能层中硼或磷与氮共掺杂位点与金属氮化物纳米颗粒协同调控界面电子结构，有效降低钠离子成核势垒，有效降低成核过电位，诱导钠金属均匀致密沉积。
Absstract of: CN122855138A
0001 本发明公开了一种煤沥青基纳米碳材料改性聚α‑烯烃润滑油及其制备方法，属于润滑油改性技术领域。本发明采用甲酸/双氧水绿色氧化体系制备得到纳米粒径、表面富含羟基与羧基的可溶性氧化煤沥青纳米材料；将其作为添加剂加入PAO8聚α‑烯烃基础油中，经超声分散制得改性润滑油。本发明构建四重协同润滑机制：极性官能团快速吸附于金属表面形成防护膜；纳米颗粒产生类滚动轴承效应并抛光摩擦表面；纳米尺寸效应填补表面微凹坑与划痕，实现原位修复；摩擦热与压力下发生摩擦化学反应，生成致密碳基复合保护膜。本发明利用低值煤沥青实现高值化利用，原料成本低、制备工艺绿色简单，颗粒分散性好，减摩抗磨性能优异，工业化应用前景广阔。
Absstract of: CN122855080A
本申请公开了一种量子点及其制备方法、光电器件及显示装置，涉及显示技术领域。本申请提供的量子点具有较窄的半峰宽，提高了发光品质等。
Absstract of: CN122853373A
本发明公开了一种氧化石墨烯及制备方法。所述制备方法包括：以预氧化剂对石墨进行预氧化处理，之后加入质量浓度≥95%的浓硫酸，经所述预氧化剂和浓硫酸的共同作用，得到预处理后的石墨；将氧化剂与预处理后的石墨混合形成混合反应体系，进行氧化反应，其中所述氧化剂包括75~90%质量浓度的硫酸和高锰酸钾的组合；稀释混合反应体系中硫酸的质量浓度至50~60%，终止所述氧化反应，得到氧化石墨烯。本发明提供的制备方法氧化效率高、产率高、能够缩短氧化时间制得的氧化石墨烯氧化程度高，并且具有完整片层结构。
Absstract of: CN122868166A
本发明公开了一种异质嵌套结构纳米多孔GIL绝缘材料及其构筑方法，所述绝缘材料以氟化石墨烯为导热骨架，硅基纳米多孔材料为绝缘主体；通过模板法构筑FG导热骨架，再经溶胶‑凝胶法在骨架内原位合成硅基纳米多孔材料，结合N‑Bi原子杂化与固碳基团接枝工艺，在孔内构建稳定的固碳化学结构并吸附CO2气体，最终经超临界干燥技术成型，同步锚定二氧化碳吸附功能位点。本发明解决了传统GIL绝缘材料导热性与绝缘性难以兼顾、大尺度应用时介电性能与机械性能匹配度低的技术难题，制备的复合材料可用于220kV及以上米级GIL设备，可显著提升管道输电技术的绝缘可靠性与运行效率，兼具碳减排优势，具有广阔的工程应用前景。
Absstract of: CN122869981A
0001 本发明涉及摩擦电纳米发电技术领域，具体的说是一种复合材料电极、摩擦电纳米发电机及自供电应力检测系统；复合材料电极包括绝缘高分子基体和分散于其中的导电材料，导电材料与高分子基体之间的界面形成电荷载流子捕获界面，捕获界面具有高于导电材料内部和高分子基体内部的载流子复合能垒，以在载流子注入时于界面处形成界面极化电场。柔性直流摩擦电纳米发电机由上述复合材料电极与导电电极构成滑动摩擦副，在相对滑动时产生直流电信号。自供电应力检测系统将发电机与能量管理、应力传感和无线通信模块集成，在低频往复运动激励下完成应力采集与无线发送。本发明可实现高电压高电流输出，适用于结构健康监测与自供电传感。
Absstract of: CN122868570A
本发明公开了一种高导电石墨复合双极板及其一体化制备方法，涉及燃料电池技术领域，该方法包括：对人造石墨、膨胀石墨及碳纳米管组成的导电填料进行液相氧化与硅烷偶联剂接枝改性；将改性填料与聚苯硫醚树脂及助剂经熔融混炼制成复合颗粒；利用精密模具进行分段式热压成形，制得带双面复杂流场结构的坯体；最后经过精密修整与等离子体表面活化处理。本发明旨在解决现有双极板导电性差、机械性能弱及加工成本高的问题，通过构建多尺度杂化导电网络并增强界面键合，显著提升了双极板的电导率、抗弯强度与气密性，一体化模压工艺简化了生产流程，降低了成本，且表面亲水性的提升有效防止了流道水淹，确保了燃料电池电堆的长期稳定运行。
Absstract of: CN122853375A
本申请涉及于锂离子电池材料领域，尤其涉及一种高容量负极人造石墨材料及其制备方法。本申请通过将预处理后的原材料与粘结剂混合，造粒得到人造石墨前驱体，再经过预碳化和石墨化处理得到人造石墨微粉。然后将人造石墨微粉与渗硅料浆混合，经过真空加热处理和喷雾干燥得到改性人造石墨微粉。最后将有机碳源与改性人造石墨微粉混合，并进行热处理，得到高容量负极人造石墨材料。本申请通过将渗硅剂扩散到人造石墨的纳米孔中，实现了Si在人造石墨中的均匀分布，同时留了人造石墨的整体结构特性，Si的均匀分布有助于提高材料的电化学性能，增强其容量存储能力和循环稳定性；获得人造石墨材料，有望应用于高性能电化学储能器件中。
Absstract of: CN122868491A
本发明涉及锂电池电极材料技术领域，具体公开了一种稻壳炭基Fe3O4@C复合材料及其制备方法和应用，本发明制备的稻壳炭基Fe3O4@C复合材料具有核‑壳结构，Fe3O4纳米颗粒被稻壳炭层均匀包覆，稻壳炭层起到缓冲体积膨胀、提高导电性和抑制颗粒团聚的多重作用；本发明提供的核‑壳结构中Fe3O4内核与稻壳炭外壳之间存在更强的界面结合力，在长时间循环过程中能有效阻止Fe3O4颗粒的脱落、迁移和团聚，从而显著提高了材料的结构稳定性；本发明制备的复合材料在30 A·g‑1的高电流密度下循环10000次后，比容量仍高达631.8 mAh·g‑1，表现出卓越的循环稳定性和倍率性能。
Absstract of: US20260302021A1
To provide a magnetic material, magnetic fluid, standard sample for particle size distribution measurement, method for producing a magnetic material and method for producing a magnetic fluid that solves the storage and safety issues of polar organic solvent-based magnetic fluids and effectively suppresses the generation of secondary particles of magnetic particles in magnetic fluids even when a polar organic solvent is added to a magnetic material obtained by removing the dispersion media from a first magnetic fluid to form a second magnetic fluid. A magnetic material comprising magnetic particles having an average particle size of 10 to 50 nm, a saturated fatty acid or a salt thereof, or an unsaturated fatty acid or a salt thereof, having 10 to 24 carbon atoms, and an alkoxylate formed by addition of an alkylene oxide having 2 to 4 carbon atoms to an alcohol having 1 to 3 carbon atoms.
Absstract of: US20260295047A1
0000 The present application relates to activable inorganic nanoparticles which can be used in the health sector, in particular in human health, to disturb, alter or destroy target cancerous cells, tissues or organs. It more particularly relates to nanoparticles which can generate a surprisingly efficient therapeutic effect, when concentrated inside the tumor and exposed to ionizing radiations. The invention also relates to pharmaceutical compositions comprising a population of nanoparticles as defined previously, as well as to their uses.
Absstract of: WO2026202932A1
The present invention discloses a novel, cost-effective, and scalable method for synthesizing Carbon Quantum Dots (CQDs) with applications in lubrication and solar energy conversion. The CQDs are produced via a hydrothermal process using organic precursors with hydroxyl (- OH) groups, followed by acidification and thermal treatment. The synthesized CQDs, with a 5 size range of 2-5 nm, exhibit strong photoluminescence, high dispersion stability, and superior tribological properties. CQDs are incorporated into base lubricants to form nanolubricants, which reduce the coefficient of friction (CoF) by 48-50%, improving machinery efficiency. Additionally, CQDs are dispersed in organic solvents and encapsulated in solar PV modules, enhancing photon down-conversion and increasing solar efficiency. The invention provides an 0 eco-friendly alternative to conventional CQD synthesis, ensuring high performance, chemical stability, and industrial scalability across automotive, renewable energy, and nanotechnology sectors.
Absstract of: US20260304851A1
A quantum device includes an actuator including a graphene material and having a proximal end mounted to an actuator anchor; an electrode disposed on a distal end of the actuator; a quantum dot, configured to localize a single electron, the quantum dot and the electrode disposed within a common vacuum to define a tunneling gap; and a quantum dot anchor, comprising the graphene material, disposed in a same plane as the quantum dot relative to the electrode. The quantum device may include a modulator configured to emit electromagnetic signaling within a particular frequency range. The graphene material is tuned to increase a Casimir force between the electrode and the quantum dot anchor in response to the electromagnetic signaling. The increased Casimir force causes the actuator to deform to bring the electrode within an electron tunneling range of the quantum dot, or lowers a tunneling barrier on a static electrode.
Nº publicación: US20260295257A1 01/10/2026
Applicant:
PURDUE RES FOUNDATION [US]
Purdue Research Foundation
Absstract of: US20260295257A1
0000 An artificial photoreceptors (APR) includes a nano-dielectric core, a plurality of optical dipoles each optical dipole attached to the surface of the nano-dielectric core, and each optical dipole includes a first nano-particle configured to generate a positive voltage when receiving a light pulse having a predetermined wavelength, and a second nano-particle configured to generate a negative voltage when receiving a light pulse having the predetermined wavelength, wherein i) a plurality of a first set of the first and second nano-particles of the plurality of optical dipoles cancel each other's voltages such that a plurality of APRs only generate voltages at locations corresponding to edge-detected signals representing edges of an object; or ii) a plurality of a second set of the first and second nano-particles of the plurality of optical dipoles generate positive and negative voltages to sequentially generate responses for biological receptors.
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