Resumen de: WO2025146456A2
The present invention relates to process for making a component comprising a composite material whereby three possible methods are detailed. More specifically, the invention relates to producing high performance composite materials, the method comprising surrounding nanofillers with specialized molecules that form covalently closed rings, where the matrix itself can be composed of polymers, metals, ceramics, or cement-based materials. The present invention also relates to a composite material comprising a nanofiller in the form of a nanotube or a graphene and further comprising a structural entity or matrix. Furthermore, the invention also relates to products or components made from the composite material.
Resumen de: CN119212780A
A kit (1000) for sublimating a solid reagent (1001) and a reaction device are disclosed. The kit (1000) comprises a reagent chamber (1200) for holding a solid reagent (1001) and at least one pressure sensor (1100) for measuring the pressure inside the kit (1000).
Resumen de: WO2025147213A1
Provided are compositions and methods for detecting an auxin, as well as methods of preparing the compositions The compositions of the present disclosure provide a polymer of a polyamic sodium salt adsorbed on a single-walled carbon nanotube (SWNT), wherein the polymer of the polyamic sodium salt adsorbed on the SWNT forms a combination of corona phases comprising a selective binding site for an auxin. The composition may be used in a method for detecting the presence of auxin, the levels of auxin or the distribution of auxin in one or more cells in vitro or in vivo.
Resumen de: WO2025146601A1
The present invention relates to method of synthesizing nano urea and nano urea- composites thereof. More particularly, the present invention provides nano urea as well as a composite of nano urea and sodium ascorbate with cellulose and carbon black with varying equivalents through a simple, reliable, fast and cost-effective manner. The nano urea is synthesized with a reducing agent and a biodegradable and biocompatible coating material through milder reaction conditions having mechanical properties.
Resumen de: US2025223167A1
The present invention relates to a low-defect carbon nanotube sludge and a preparation method therefor, a conductive composite material based on the low-defect carbon nanotube, a negative electrode slurry using same, a negative electrode, and a lithium secondary battery, and has the technical gist of comprising carbon nanotubes that have crystallinity while satisfying relational expression 1 below. relational expression 1 5≤IG/ID≤50 (wherein IG/ID is a value calculated as a ratio of a maximum peak intensity (IG) measured at 1,580±50 cm−1 to a maximum peak intensity (ID) measured at 1,360±50 cm−1 in a wavenumber region of a Raman spectrum.)
Resumen de: WO2025145770A1
The present application relates to the technical field of calcium carbonate preparation, and provides a nano calcium carbonate microcrystal dispersion system, and a preparation method therefor and a use thereof. In the present application, no volatile organic solvent is used, and the prepared nano calcium carbonate microcrystal dispersion system exhibits colloidal stability. First, a mixed reaction solution is provided, wherein the mixed reaction solution comprises the following components in parts by mass: 50-80 parts of an oily dispersion medium, 5-30 parts of a primary organic acid, 0.1-10 parts of a secondary organic acid, 0-10 parts of an inorganic acid, and 0-10 parts of an accelerant; the mixed reaction solution is mixed with a calcium-containing inorganic substance for a neutralization reaction to obtain a neutralization product feed liquid; carbon dioxide is introduced into the neutralization product feed liquid, a carbonization reaction is carried out between the carbon dioxide and the calcium-containing inorganic substance in the neutralization product feed liquid, and then water removal-stabilization treatment and homogenization treatment are sequentially carried out to obtain the nano calcium carbonate microcrystal dispersion system. The nano calcium carbonate microcrystal dispersion system prepared in the present application exhibits colloidal stability and is green and safe.
Resumen de: US2025223169A1
Provided is a carbon nanotube dispersion liquid that exhibits good dispersion stability of single-walled carbon nanotubes.A carbon nanotube dispersion liquid according to an embodiment includes single-walled carbon nanotubes, carboxymethyl cellulose and/or a salt thereof, and water, in which a content of the single-walled carbon nanotubes is 0.47% to 1.00% by mass. The carboxymethyl cellulose and/or the salt thereof includes at least one having a degree of etherification of 0.65 to 0.85 and a weight-average molecular weight of 120,000 to 250,000. A content of the carboxymethyl cellulose and/or the salt thereof is 120 to 220 parts by mass relative to 100 parts by mass of the single-walled carbon nanotubes.
Resumen de: US2025223171A1
Anti-inflammatory agents, antioxidants, electronic devices, batteries, capacitors, lubricants, coatings and paints, each containing a newly discovered allotrope of carbon having a multilayered nanocarbon array, and which exhibits, among other properties, exceptional stability, electrical conductivity and electromagnetic frequency (emf) attenuation characteristics. Members of this new allotrope include nanocarbon structures possessing vast electron delocalization in multiple directions, unavailable to known fullerene-characterized materials like carbon nano-onions (CNOs), multiwalled carbon nano-tubes (MWNTs), graphene, carbon nano-horns, and carbon nano-ellipsoids. Such stabilizing electron delocalization crosses or proceeds between layers, as well as along layers, in multiple directions within a continuous cyclic structure having an advanced interlayer connectivity bonding system involving the whole carbon array, apart from incidental defects.
Resumen de: US2025222434A1
The present invention relates to a membrane for removing heavy metals present in water or other solutions contaminated with said heavy metals, wherein said membrane comprises carbon nanomaterials and a mixture of natural biopolymers, preferably nanocellulose, carbon nanotubes and diatom biomass. The present invention also comprises a method for obtaining said membrane, and a method for removing heavy metals in water or other solutions comprising the use of said membrane.
Resumen de: US2025223168A1
Provided is a carbon nanotube dispersion composition including carbon nanotubes, a dispersant, and a solvent and satisfying (1) and (2) as follows:(1) an average outer diameter of the carbon nanotubes calculated from an SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is 15 nm or more and 50 nm or less; and(2) when a target pixel group in the SEM image obtained by observing the carbon nanotubes included in the carbon nanotube dispersion composition is set as the carbon nanotubes, and a value obtained by dividing an absolute maximum length by a length of a free curve, that is, a skeleton length, is set as linearity, a proportion of carbon nanotubes with a linearity of 0.9 or more among carbon nanotubes with a skeleton length of 1 μm or more is 40% or more and 90% or less.
Resumen de: WO2025146088A1
The present invention relates to a nanomaterial for preventing tumor bone metastasis, a preparation method therefor, and use thereof. The present invention has discovered a spatiotemporal coupling interaction between tumor cells and osteoclasts, and provides a tumor-bone initial metastasis behavior-targeting strategy which can accurately prevent tumor metastasis on the basis of the source, and can avoid drug resistance and biochemical drug resistance. On this basis, the present invention designs a physical killing nanomaterial targeting tumor-osteoclast conjugates, the nanomaterial being a bone targeting group-modified nanovesicle encapsulating a carbonate compound and a phosphate compound. The nanomaterial can be effectively concentrated in bone tissue; when tumor cells are activated, the acid secretion function of tumor-related osteoclasts in nearby tumor-osteoclast conjugates which are in contact with the tumor cells triggers the carbonate compound to generate carbon dioxide gas and promotes the release of the phosphate compound, which forms calcium phosphate crystals with calcium ions so as to kill nearby tumor cells, thus achieving a specific very-early tumor metastasis inhibition effect.
Resumen de: EP4582373A1
An object is to provide a carbon material that can achieve high electrical conductivity or durability together with flexibility against compression and to provide a power storage device containing the carbon material inside an electrode. The present invention provides a carbon material having a bulk modulus K that is less than or equal to 2 GPa and an average graphene domain size L that is greater than or equal to 50 nm, a cathode (212) for a power storage device and an anode (214) for a power storage device in which the carbon material is used as a conductive agent, and a power storage device (200) including a cathode and/or an anode including the carbon material as a conductive agent.
Resumen de: EP4582375A1
A method for manufacturing carbon nanotubes according to embodiments of the present disclosure includes injecting a carbon source, a metal catalyst, a cocatalyst and a transport gas into a reactor, and heating the reactor to manufacture carbon nanotubes. A ratio of a molar flow rate of the carbon source to a molar flow rate of the metal catalyst is 350 to 1,300. Further, a carbon nanotube, such as a carbon nanotube obtained by such method, is described.
Resumen de: EP4582386A1
A layered material nanosheet production method includes an exfoliation step of exfoliating layered material particles in layers by irradiating the layered material particles with a microwave while cooling the layered material particles.
Resumen de: CN120270980A
本发明公开了一种硼、氮和硫共掺杂室温磷光碳点粉末的制备方法及其在潜指纹成像中的应用,属于发光碳纳米材料技术领域。本发明以硫代酰胺类化合物和硼酸为反应原料,通过一步热解法制备得到了硼、氮和硫共掺杂室温磷光碳点粉末。本发明制备的硼、氮和硫共掺杂室温磷光碳点粉末经紫外光激发后呈现长达20s的蓝色磷光,磷光发射强度高,持续时间更长。将制备的碳点粉末应用于具有背景荧光基质表面的潜指纹成像时,能够在激发光源关闭长达13s后,仍然捕捉到清晰的磷光指纹图谱,确保了在激发光源关闭后,有非常充裕的时间来捕捉指纹图像,能够有效消除指纹承载基质表面的强烈背景荧光干扰,实现无背景干扰的潜指纹高质量成像。
Resumen de: CN120270982A
本发明公开了一种均匀控温的碳纳米管生产方法,具体涉及碳纳米管生产技术领域,包括催化剂准备、投放催化剂粉体、投放含碳气体、反应加热、辅助吹气,向吹气架中输入气体,并使冲击气孔吹出气流,且冲击气孔吹出的气流吹向均热反应容器的内壁,并在均热反应容器的内壁上形成反射气流、碳纳米管生长以及冷却与收集。本发明能够在均热反应容器的内壁上形成多组反射气流,使得催化剂颗粒贴合并附着在均热反应容器内壁上的概率降低,从而避免催化剂颗粒长时间贴合均热反应容器的内壁而影响其与含碳气体的接触和碳纳米管的反应生成,进一步的提高生产的碳纳米管的相对纯度,提高生产效率。
Resumen de: CN120280471A
本发明公开了一种单一碳源一步法制备多级结构硅碳锂离子电池复合负极材料的方法,属于锂离子电池负极材料技术领域;本发明通过一步碳化工艺,调节碳化工艺,将单一碳源‑壳聚糖均匀地包覆在硅颗粒表面;同时借助诱导剂作用,使部分壳聚糖发生结构重构,经高温碳化后形成二维碳纳米片结构框架,形成兼具碳包覆层和二维碳骨架的多级结构硅碳复合材料(Si@C/C)。本发明克服了现有硅碳负极材料生产中流程长、碳源复杂、复合效果差等问题,具有工艺简单、复合结构可控、绿色无污染等优势;同时解决了硅基材料颗粒粉化、电导率低、首次不可逆容量高等问题。
Resumen de: CN120270985A
本发明公开了一种超平整石墨烯电镜支撑膜的批量化制备方法,属于材料领域。本发明方法包括:利用电化学剥离法将石墨烯与预氧化的铜金属生长衬底进行分离,转移至高分子复合媒介;然后用溶剂热贴合法,将高分子膜支撑的石墨烯与电镜载网进行共形贴合,去除聚合物媒介后得到石墨烯载网。本发明方法工艺简单,可重复高,兼容性强,可大规模制备生产。本发明方法制备的石墨烯支撑膜完整度高达90%,载网悬空孔内石墨烯具有超平整和良好的洁净度特点。
Resumen de: CN120280475A
本发明属于钠离子电池负极材料技术领域,具体公开了一种具有薄碳涂层的硬碳材料及其制备方法与应用。所述制备方法通过多级碳化工艺实现材料结构的精准调控:首先对煤基前驱体进行预氧化处理,随后在惰性气氛下碳化得到硬碳基体;继而采用液相包覆技术,将糖类均匀负载于硬碳表面,通过盐酸催化的酯化反应实现碳前驱体的可控沉积;最终经二次碳化处理形成厚度为纳米级的连续致密碳涂层。本发明提出的界面工程策略为高性能钠离子电池负极材料的设计提供了新思路,能够广泛用于具有高性能要求的钠离子电池中作为负极材料,具有广泛的应用前景。
Resumen de: CN120272928A
本发明提供一种用于检测头孢曲松钠的氮掺杂磺化碳点、制备方法及其应用,属于纳米新材料合成与抗生素检测技术领域。该方法步骤为:将二苯胺磺酸钠与氢氧化钠搅拌溶解在去离子水加热后,再对其施加直流电流得到混合液,再将混合液进行离心、抽滤、透析处理,最后通过冷冻干燥法得到碳点。通过本发明方法制备的氮掺杂磺化碳点表现出强蓝色荧光发射,并且在添加头孢曲松钠后出现荧光猝灭现象以及荧光颜色的显著变化,能够用于测定头孢曲松钠的荧光纳米传感器。并且本发明基于氮掺杂磺化碳点能够以快速灵敏地检测实际样品中的头孢曲松钠,为生物、食品安全和环境监测领域的应用提供了一种新方法与新材料。
Resumen de: CN120270983A
本发明公开了一种端部开口的短碳纳米管及其制备方法,属于短碳纳米管制备技术领域。本发明以废弃塑料为原料,采用镍和钼负载氧化铝作为催化剂,通过优化催化剂配方、原料预处理以及热裂解工艺,精准控制碳纳米管的生长,制备得到端部开口的短碳纳米管。本发明提供的方法操作简便,无需复杂设备与高昂成本;合成产物质量稳定均一,有利于大规模生产,在能源存储、纳米电子器件制造等领域极具应用潜力。
Resumen de: CN120270986A
本发明公开了一种石墨烯电镜载网的批量制备方法。本发明通过设计多层级转移媒介(包括PDMS多孔模板、高分子支撑层及小分子缓冲层),结合溶剂挥发诱导的弹性毛细贴合工艺,实现石墨烯与电镜载网的高质量批量化转移。具体地,将石墨烯表面均匀涂覆小分子/高分子转移媒介层,然后将其与PDMS多孔阵列模板进行贴合。将石墨烯与生长衬底剥离后,利用溶剂热贴合法,将PDMS悬空处高分子膜支撑的石墨烯与电子显微镜载网进行贴合;最后去除转移媒介,获得石墨烯载网。本发明方法具有工艺简单、PDMS模板可重复利用及良好的兼容性等优点,适合大规模生产。同时,制得的石墨烯载网具有高洁净度和完整度,能够满足冷冻电镜载网等领域的应用需求。
Resumen de: CN120252378A
本发明适用于电弧炉技术领域,提供了单壁碳纳米管生产用电弧炉,包括炉体、贯穿炉体设置的石墨电极和吹扫组件、与炉体分别连通的抽吸组件和循环组件以及设置在抽吸组件和循环组件之间的收集料仓,所述石墨电极包括阳极石墨棒和阴极石墨棒,所述抽吸组件包括抽吸气泵以及与抽吸气泵连通的第一抽吸管道和第二抽吸管道,所述收集料仓底部设置有可开合的落料板。该装置解决了惰性气体吹扫造成部分单壁碳纳米管附着在电弧炉内壁形成团聚,吹扫过程中高温惰性气体不能得到利用的问题,达到了利用气流的流化作用收集单壁碳纳米管,使单壁碳纳米管在气流中均匀分散,减少团聚,同时还能对高温惰性气体进行循环利用的效果。
Resumen de: CN120246994A
本发明提供了一种氮掺杂碳纳米管及其制备方法、正极极片和锂离子电池,具体的制备过程为:先通过酸洗的方式在碳纳米管的表面修饰一些羧基、羟基等亲水基团,降低碳纳米管间的范德华力改善分散性,以烟酰胺类化合物作为氮源,与酸洗后的碳纳米管在水溶液中搅拌分散均匀后干燥,形成前驱体,并对该前驱体进行高温煅烧;掺杂后的碳纳米管表面的碳原子被氮原子取代,形成吡啶氮和石墨氮,可以破坏碳骨架的电子和自旋特性,氮原子会充当电子供体,有利于调控碳纳米管的导电性和对锂离子的嵌入能力,上述制备方法能够提高氮掺杂碳纳米管的分散性以及碳纳米管的导电性,降低正极极片的内阻,并最终提高锂离子电池的倍率性能和循环性能。
Nº publicación: CN120247004A 04/07/2025
Solicitante:
中国科学院上海微系统与信息技术研究所
Resumen de: CN120247004A
本发明提供一种基于湿法转移制备完整性石墨烯的方法,方法包括:S1、将金属衬底上的石墨烯表面旋涂PMMA,形成PMMA层/石墨烯薄膜/金属衬底样品;S2、用过硫酸铵溶液刻蚀金属衬底,清洗后,得到PMMA层/石墨烯薄膜样品;S3、将PMMA层/石墨烯薄膜样品与FeCl2/FeCl3混合溶液接触一段时间,清洗,然后将清洗干净的PMMA层/石墨烯薄膜样品转移到目标衬底上,并干燥,形成PMMA层/石墨烯薄膜/目标衬底样品;S4、用丙酮溶解去除PMMA层,得到完整附着在目标衬底上的石墨烯薄膜。本发明中的方法简单易行,可重复性好,能有效提高湿法转移的石墨烯完整性,能够用于大面积石墨烯薄膜的转移。