Resumen de: CN122668740A
本发明涉及一种具有紫外与高能蓝光吸收的糠醛渣衍生碳点及其制备方法和应用,属于碳纳米材料及光学防护技术领域。该具有紫外与高能蓝光吸收的糠醛渣衍生碳点的制备方法,包括以下步骤:将糠醛渣分散到碱性溶液中得到糠醛渣碱性溶液,经水热反应后即得。本发明的具有紫外与高能蓝光吸收的糠醛渣衍生碳点与现有碳点相比,展现出200~450 nm的宽谱光吸收能力,该碳点不仅能基本完全吸收紫外光,对400~450 nm高能蓝光的吸收率也高达99%。同时,该碳点与PVA基材复合后制备的光学阻隔膜,在实现高效阻隔的前提下,仍于550 nm处保持54%的透光率,兼顾了高能有害光防护与可见光透光性,解决了传统材料对高能蓝光吸收不足和透光率低的问题。
Resumen de: CN122677414A
本发明提供了一种具有一体化嵌入式复合包覆层的硅碳负极材料及其制备方法、锂离子电池,涉及锂离子电池技术领域,该硅碳负极材料包括硅碳材料内核和包覆在该内核表面的复合包覆层;硅碳材料内核包含多孔碳骨架、分散于该多孔碳骨架中的纳米硅,以及原位生长于该多孔碳骨架中的碳纳米材料;复合包覆层包括弹性聚合物基质,以及在该弹性聚合物基质中分布的锂盐和SEI成膜添加剂;碳纳米材料的一部分嵌入于多孔碳,另一部分则嵌入于弹性聚合物基质,从而在内核与包覆层之间形成三维互锁的导电网络。本发明解决了硅基负极材料存在体积膨胀、SEI膜不稳定以及动力学迟缓的技术问题,达到了循环稳定性好、倍率性能高以及结构完整性佳的技术效果。
Resumen de: CN122646835A
本发明公开了一种高质量单壁碳纳米管制备方法及其制备装置,涉及单壁碳纳米管材料制备技术领域,通过系统抽真空后,通入起弧气体形成稳定高温等离子体炬,采用复合催化剂载气与碳源载气分路进料,将复合催化剂与碳源分别输送至等离子体高温区,实现原子级均匀混合、快速熔融气化;随后在温度可控生长温区成核生长,经急速淬冷、气固分离,得到单壁碳纳米管。本发明突破现有制备技术中催化剂的使用限制,兼容多种催化剂形式,碳源适配性强、工艺可控、制备效率高,所得产物缺陷密度低、石墨化程度高、长径比高,可实现连续化、规模化生产,适用于新能源、电子器件等高端应用领域。
Resumen de: CN122646832A
一种等离子体诱导硅碳负极原位生长碳纳米纤维增强锂电池性能的方法,属于新材料、功能性材料技术领域。本发明采用等离子体预处理技术对硅碳负极材料进行表面活化,再通过化学气相沉积原位生长碳纳米纤维,构建三维导电网络结构。采用等离子体辅助化学气相沉积技术,以等离子体活化的硅碳表面为基底,原位生长得到均匀分布的碳纳米纤维,与硅碳颗粒形成紧密结合的三维导电复合结构,有效提升了锂离子电池的高倍率循环稳定性。
Resumen de: CN122659103A
本发明提供一种磷酸铁锂正极材料及其制备方法和锂离子电池,涉及正极材料技术领域,包括活性单元和骨架单元;活性单元包括第一磷酸铁锂基晶粒,第一磷酸铁锂基晶粒包括第一磷酸铁锂内核和包覆在第一磷酸铁锂内核外的第一碳包覆层;第一磷酸铁锂内核中掺杂有离子导体元素;骨架单元包括第二磷酸铁锂基晶粒,第二磷酸铁锂基晶粒包括第二磷酸铁锂内核和包覆在第一磷酸铁锂内核外的第二碳包覆层;第二磷酸铁锂内核中掺杂有晶格稳定元素;第一磷酸铁锂基晶粒的粒径小于第二磷酸铁锂基晶粒的粒径;磷酸铁锂正极材料包括包覆在活性单元和骨架单元表面的第三碳包覆层。通过设计梯度碳界面以及双级配磷酸铁锂晶粒,能够兼顾高压实与高动力学性能。
Resumen de: CN122646833A
本发明属于煤基碳材料技术领域,具体涉及一种梯级裁剪制备煤基碳点的方法、煤基碳点及其应用。本发明的梯级裁剪制备煤基碳点的方法包括下述步骤:(1)对煤系原料进行球磨产生的机械力化学作用裁剪,实现煤系原料的初步裁剪,得到预处理产物;(2)将预处理产物分散于去离子水中,经恒温超声处理,借助超声空化效应进行再裁剪,得到煤基碳点分散液;(3)对煤基碳点分散液进行过滤,得到滤液和滤饼;对滤液进行透析和冷冻干燥,即得煤基碳点;(4)对滤饼进行冷冻干燥后按照步骤(1)‑(3)对干燥的所述滤饼进行循环裁剪处理。本发明的煤基碳点具有粒径可控、收率高、且荧光性能强等特点,应用于防腐缓蚀剂表现出优异的防腐效果。
Resumen de: CN122646834A
一种碳点自组装体光热转换材料及其制备方法与应用,属于碳点技术领域。解决了现有碳点基光热转换材料难以覆盖全太阳光谱,水溶性过强(耐水性差),稳定性差的问题。本发明的制备方法,先将尿素与多羧基化合物在有机溶剂中超声分散均匀,密闭条件下加热反应,得到碳点溶液;然后将乙醇与碳点溶液混合均匀,离心,得到的沉淀物经洗涤,离心,干燥,得到碳点自组装体光热转换材料;或者,在室温下,将基底于碳点溶液中浸透,取出后,喷淋乙醇,干燥,原位制备出负载于不同基底上的碳点自组装体光热转换材料。该光热转换材料具有纳米粒子组装而成的微米结构,吸收光谱扩展至整个太阳光谱区,不溶于水,可在极短光照时间内快速升温且稳定性良好。
Resumen de: CN122646831A
本发明公开了一种N,S共掺杂超微孔碳材料及其制备方法与应用,该方法为:以3‑氰基吡啶与对甲基苯磺酸作为原料通过聚合反应合成前驱体PS‑3,然后对前驱体PS‑3在不同温度下进行高温碳化得到具有孔径的N,S共掺杂超微孔碳材料。本发明制备工艺省去活化步骤,仅需一步反应、反应条件温和、所用设备简单;本发明中得到的超微孔孔径<0.6nm,属于超微孔,这主要是由于其对氮气没有吸附,而对二氧化碳具有较高吸附,则确定其存在大量孔径位于0.33nm左右的超微孔结构,后通过195K二氧化碳确定其具体孔径大小以及孔面积等。通过测试材料可以用于乙烷/乙烯吸附分离,具有优秀的吸附分离效果,同时具有较大的吸附比。
Resumen de: CN122648080A
本发明涉及碳点制备技术领域,提供了一种氨基酸碳点的制备方法和应用,其中,氨基酸碳点的制备方法,包括以下步骤:将氨基酸进行研磨,得到初处理氨基酸;将所述初处理氨基酸进行加热,得到氨基酸碳点。本发明采用热解法制备氨基酸碳点,其直接将氨基酸碳点进行加热,进一步进行研磨、溶解、离心分离、过滤、透析等方法提纯,最终获得了高纯度的氨基酸碳点。该方法制备过程简单、高效,规避了水热法制备碳点所必需的高压环境,安全性更好,对生产设备的要求降低也更加有利于推广和大规模生产。
Resumen de: CN122648081A
本发明提供了一种生物质衍生碳量子点、制备方法及清除羟基自由基的应用,生物质衍生碳量子点以含活性生物多糖且含有萜类化合物的菌类废料作为碳源,经水热反应后离心、透析得到;生物质衍生碳量子点的制备方法包括以下步骤:将菌类废料搅碎并分散在溶剂内,得混合溶液;将混合溶液加热,得反应液;取出反应液,自然冷却后放入离心机内离心,取上清液;对上清液透析、冷冻干燥得生物质衍生碳量子点;将生物质衍生碳量子点溶液喷洒进入植株体的根茎处对羟基自由基清除;本发明的生物质衍生碳量子点表面丰富的官能团及内部富含的活性生物多糖物质能够提供氢原子,氢原子与羟基自由基结合形成稳定的自由基,从而实现对羟基自由基的清除。
Resumen de: CN122646837A
本发明涉及纳米材料表面改性与等离子体处理技术领域,尤其为一种等离子体增强碳纳米管表面功能化方法,将待处理碳纳米管进行预分散及预干燥处理,去除吸附水分和表面杂质,获得预处理碳纳米管;将所述预处理碳纳米管连续输送至流化床等离子体反应腔,在载气作用下使碳纳米管处于悬浮翻滚状态;向所述等离子体反应腔通入反应气体,并施加射频电源激发形成低温等离子体,对碳纳米管表面进行活化及官能团引入处理,使碳纳米管表面形成含氧官能团、含氮官能团中的至少一种。本发明中,通过采用流化床等离子体连续处理结构,使碳纳米管在悬浮翻滚状态下均匀暴露于等离子体区域,显著提高了表面处理均匀性和官能团引入效率。
Resumen de: US20260251968A1
0000 A method is provided. The method includes: generating light by a plasma of a light source of a semiconductor processing tool; generating patterned light by a mask assembly, the patterned light including the light reflected by a pattern of the mask assembly; during generating the patterned light, protecting the mask assembly by a pellicle assembly including a pellicle membrane, the pellicle membrane including a nanotube-based scaffold structure having nanotubes bound together by a capping layer; and performing a semiconductor process on a semiconductor wafer by the patterned light.
Resumen de: WO2026176188A1
A method of performing atom lithography, the method comprises: forming a self-assembled monolayer comprising a plurality of SAM molecules by exposing a substrate surface to a plurality of SAM precursors, wherein the plurality of SAM precursors comprise a backbone having: a surface attachment moiety (SM) at or proximate to an end of the backbone and configured to attach the SAM precursor to a substrate when forming a self-assembled monolayer; a cleavage moiety (CM); and an electron directing moiety (EDM) comprising a dipole; and directing a source of metastable atoms (100) at the self-assembled monolayer (Figure 1b), transferring energy from the metastable atoms to the self-assembled monolayer (Figure 1c) to break a bond within the cleavage moiety of at least one of said one or more SAM molecules such that part of the one or more SAM molecules is removed to provide a modified self-assembled monolayer (Figure 1d), wherein the modified self-assembled monolayer comprises one or more broken SAM molecules attached to the substrate surface, and wherein preferably one of the following conditions may be satisfied, either wherein the cleavage moiety (CM) comprises the electron directing moiety (EDM) or wherein the electron directing moiety (EDM) and the cleavage moiety (CM) are distinct.
Resumen de: US20260251641A1
Various embodiments disclosed relate to a sensor assembly probe for determining enzymatic activity. The sensor assembly probe includes an aqueous medium including one or more fluorescent hydrophobic semi-conductive nanoparticles dispersed therein. The assembly further includes an ionic polymer coating at least a portion of a surface of the one or more fluorescent hydrophobic semi-conductive nanoparticles. The assembly further includes a substrate for an enzyme, the substrate disposed between at least two of the one or more fluorescent hydrophobic semi-conductive nanoparticles, the substrate including at least ionic group.
Resumen de: WO2026174991A1
A lithium secondary battery, a positive electrode active material and a preparation method therefor, and an electric device. The positive electrode active material comprises an active substance LimAxFe1-yGyP1-zDzO4-nEn, wherein A includes one or more elements of Zn, Al, Na, K, and Mg; G includes one or more elements of Cu, Mn, Cr, Zn, Pb, Ca, Co, Ni, Sr, Nb, V, and Ti; D includes one or more elements of B, S, Si, and N; E includes one or more elements of S, F, Cl, and Br; m=0.5-1.15; x=0-0.1; y=0-0.5; z=0-0.5; and n=0-0.5. The surfaces of active material particles are each coated with a carbonaceous material layer. The ratio of the thickness of the carbonaceous material layer to the diameter of primary particles of the positive electrode active material ranges from 1/500 to 1/100.
Resumen de: US20260248954A1
Generally, a polymer nanomaterial encapsulation system useful in the production of polymer encapsulated nanoparticles comprised of a hydrophobic nanoparticle encapsulated in the hydrophobic region of the polymer with the external hydrophilic region of the polymer ensuring water-solubility and affording a functional group which can be utilized for the production of nanoparticle conjugates. Specifically, particular embodiments include a polymer nanoparticle structure including one or more of: a quantum dot and/or a superparamagnetic iron oxide nanoparticle and/or an upconverting nanoparticle, encapsulated in polystyrene-b-polyethylene glycol amine for the production of antibody conjugates useful in the capture of cellular targets.
Resumen de: US20260250140A1
0000 A structured MAX-phase particle having the elementary formula M
Resumen de: US20260255694A1
There is provided an antistatic coating agent that is excellent in antistatic performance, hydrophilicity, and durability such as wear resistance and that makes it possible to form a coat layer having high visible light transmittance on a surface of a substrate made of glass easily at normal temperature, and an antistatic glass substrate using this antistatic coating agent. The antistatic coating agent is a normal-temperature-hardenable antistatic coating agent containing tin oxide (SnO2), silica (SiO2), tungsten oxide (WO3), a single-walled carbon nanotube, and a liquid medium. The antistatic glass substate includes a substrate made of glass and a coat layer being a hardened layer provided on a surface of the substrate, the hardened layer formed from the antistatic coating agent.
Resumen de: US20260250649A1
An extracellular vesicle loaded with a nucleic acid cargo and method for preparing the loaded vesicle is disclosed.
Resumen de: US20260248964A1
0000 Compositions and methods for editing, e.g., introducing double-stranded breaks, within the TTR gene in combination with administration of a corticosteroid are provided. Compositions and methods for treating subjects having amyloidosis associated with transthyretin (ATTR), in which a guide RNA and a corticosteroid are administered, are provided.
Resumen de: US20260253906A1
A composition can include a carbon nanofiber, wherein a precursor for the carbon nanofiber includes an alcohol and an aldehyde crosslinked by a primary amine. In certain embodiments, the carbon nanofiber can be biotemplated. Biotemplating enables precise control of morphology at the nanometer scale, while molecular templating allows control of carbon nanotexture and structure at the sub-nanometer scale.
Resumen de: WO2026174646A1
Provided are a new venom polypeptide-dendrimer complex, and a preparation method therefor and the use thereof. Specifically, provided is a scorpion venom polypeptide, wherein the amino acid sequence of the scorpion venom polypeptide is FLGGLLSSIF. A new scorpion venom polypeptide (designated as C9) is isolated and identified. Moreover, a new polypeptide-polyamidoamine dendrimer complex G5C9 (i.e., nanoparticles) having a glioblastoma (GBM)-targeting effect is constructed. Compared with polypeptide C9, G5C9 exhibits significantly improved cellular uptake efficiency. G5C9 can enter cells via endocytosis and targets lysosomes, and inhibits lysosomal function and mTORC1, thereby promoting nuclear translocation of TFEB and further inducing autophagic cell death. Therefore, G5C9 provides a new targeted anti-GBM approach both in vitro and in vivo.
Resumen de: WO2026176133A1
The invention relates to an electric machine comprising at least one winding, which in turn comprises at least one cable, wherein the at least one cable consists of a structure comprising a plurality of carbon nanotubes (1) aligned in a substantially parallel manner, wherein the structure of the at least one cable comprises at least one first doping agent (2) disposed in spaces (3) between the carbon nanotubes (1), wherein the at least one first doping agent (2) is a material that transfers charge to the carbon nanotubes and increases the electrical conductivity thereof.
Resumen de: WO2026176060A1
A method and system is disclosed for producing electric arc silica comprising the following method steps: providing (301) a plasma reactor configured to generate at least one electric arc by establishing an electric field between the at least two electrodes; receiving (302) a feedstock comprising silica, preferably quartz, in the plasma reactor; introducing gas (303) between the at least two electrodes through a first gas inlet; feeding (305) between the electrodes through a powder feeder a silica containing powder, preferably quartz, comprising a chloride as additive; and quenching (306) oxidic silica compounds to produce electric arc silica. Further the present invention refers to electric arc silica (124) produced according to the above mentioned method steps as well as a system comprising a plasma reactor configured to perform above mentioned method.
Nº publicación: WO2026176058A1 27/08/2026
Solicitante:
EVONIK OPERATIONS GMBH [DE]
EVONIK OPERATIONS GMBH
Resumen de: WO2026176058A1
The present invention refers to a method of operating a plasma reactor to produce fumed silica comprising the following method steps: providing a plasma reactor (400, 500, 600, 700, 800) comprising a first heat source with at least two electrodes (101, 102) configured to generate at least one electric arc (117) or a plasma jet (175) by establishing an electric field between the at least two electrodes (101, 102); receiving a feedstock (121) comprising silica, preferably quartz, by a crucible of the plasma reactor (100, 105); preheating the feedstock to generate an electrically conductive melt of the feedstock by providing a second heat source arranged in at least a portion of the crucible and/or arranged outside of the crucible. Further the present invention relates to a plasma reactor for generating an electric arc or a plasma jet for the production of fumed silica the plasma reactor comprising a first heat source, a crucible configured and a second heat source arranged in at least a portion of the crucible and/or arranged outside of the crucible in order to preheat the feedstock in the crucible.