Resumen de: CN121020566A
本发明公开了一种二维富勒烯及其碱金属插层剥离方法和应用,属于二维富勒烯制备技术领域,其中,剥离方法包括:将富勒烯超晶格材料与熔融碱金属混合,发生插层反应,得到碱金属插层化合物;将碱金属插层化合物分散在含有电子猝灭剂的溶剂中,剥离得到二维富勒烯。本发明借助温和插层与电子猝灭溶剂化剥离技术,在短时间内实现了高效剥离,保证了材料的高质量和高收率。与有机阳离子插层相比,本发明剥离速度快效率高,碱金属和含有电子猝灭剂的溶剂容易去除,几乎无残留,使得产品的导电性、热稳定性以及催化活性均有所提升。与电化学剥离法相比,本发明无需外加电场,避免气泡‑机械扰动,剥离速度快效率高,残余离子更少,骨架完整性更高。
Resumen de: CN121020547A
本发明公开了一种用于锂电负极的多孔碳材料及其制备方法,涉及锂离子电池技术领域,是由含有末端碳碳双键、聚硅氧烷、噻吩和碳纳米管的改性剂与吡咯聚合得到的改性聚吡咯包覆在秸秆多孔碳表面,再经高温煅烧得到的。本发明的用于锂电负极的多孔碳材料具有优异的首圈库伦效率、可逆比容量和倍率性能,倍率性能和首圈库伦效率的平衡性好,值得推广使用。
Resumen de: CN121020564A
本发明涉及废水脱氮技术领域,尤其涉及一种碳量子点、其制备方法及应用。所述碳量子点的制备方法包括:A)将抗坏血酸、L‑赖氨酸和超纯水混合后,得到前驱体溶液;B)将前驱体溶液进行微波反应,得到碳量子点溶液;C)将碳量子点溶液离心、过滤,得到的上层清液进行透析、预冷冻和真空冷冻干燥后,得到碳量子点粉末。相比于传统制备碳量子点需要使用昂贵和危险的化学试剂,本发明采用抗坏血酸和L‑赖氨酸制备碳量子点,大大降低了制备成本,安全性得到了提高,最终制备的碳量子点产率高,具有较好的水溶性,定向控制提升了厌氧氨氧化过程中需要的含氧官能团密度。将本发明制备碳量子点用于废水脱氮,亚硝态氮和氨氮的去除率均较优。
Resumen de: CN121016611A
本发明公开了一种适用于液态催化裂解反应体系的进气管,包括外层套管,所述外层套管内部同轴设置有通气管,外层套管的内壁与通气管的外壁之间填充有隔热材料,所述通气管的一端与供气系统相连,另一端连有曝气头,所述曝气头的底部及四周均匀设置有若干通气孔。本发明通过在通气管外部同轴设置外层套管,再在外层套管与通气管的夹层之间填充隔热材料的结构设计,能够用于隔绝或减缓外部液体的热传导和热辐射,加之原料气在通气管进行持续的通入,也可将热量部分带走,通气管内部处于低于天然气常规直接热裂解的反应温度,避免原料气在通气管中提前裂解,减少未经液相催化介质催化作用而直接裂解生成碳材料的产生。
Resumen de: WO2025223235A1
The present application relates to the technical field of carbon materials, and in particular, to a growth method for graphene powder loaded with nanoscale spherical pyrolytic carbon. The method comprises: providing a reaction furnace, the reaction furnace being provided with a reaction container capable of accommodating molten metal, the reaction container being provided with a gas inlet pipe inlet and a discharging port located above the molten metal, the gas inlet pipe inlet being used for passing of a carbon source gas inlet pipe that can extend into the molten metal, the discharging port being used for being in communication with a powder collecting apparatus, and an empty cavity being present between the molten metal and the discharging port and being heated to a preset reaction temperature; introducing a mixed gas comprising a carbon source gas and an auxiliary gas into the molten metal from the carbon source gas inlet pipe so as to form bubbles in the molten metal; and in the rising process of the bubbles, heating and catalytically cracking the carbon source gas to partially grow into graphene, part of the carbon source gas rising to be separated from the molten metal along with the bubbles, and at least part of the carbon source gas growing into nanoscale spherical pyrolytic carbon loaded on the surface of the graphene in the empty cavity. According to the present application, the dispersity of the graphene product can be significantly improved.
Resumen de: US2025361603A1
The present invention discloses a fibrous silicon-carbon composite material and a preparation method therefor. The fibrous silicon-carbon composite material includes a core-shell structure, where a core of the core-shell structure includes a porous carbon fiber and nano-silicon, and a shell of the core-shell structure includes an inorganic lithium salt and amorphous carbon. The present invention has a characteristic of high electronic conductivity, and a lithium-ion battery to which the present invention is applied exhibits an excellent rate capability and excellent cycle performance.
Resumen de: WO2025244602A1
This invention relates to the manufacture and fabrication process of graphene-enhanced carbon nanotube (Gr-CNT) reinforced magnesium oxide (MgO) nanocomposite material and its preparation method. Consequently, this material has led to the introduction of a novel nanocomposite with enhanced characteristics.
Resumen de: US2025360493A1
The disclosure provides a TiO2-CQDs nanoflower photocatalyst, a photocatalytic thin film and an application, belonging to a technical field of photocatalyst for food processing. The TiO2-CQDs nanoflower photocatalyst includes TiO2 and CQDs doped with TiO2. the CQDs is derived from aloe extract. According to the disclosure, the extract obtained from natural aloe is used as a carbon source to provide CQDs, and TiO2 is modified to obtain the nanoflower photocatalyst and the photocatalytic thin film for catalytic degradation of polycyclic aromatic hydrocarbons (PAHs).
Resumen de: US2025361147A1
This patent disclosure includes a process that uniquely and unexpectedly results in the production of extremely high specific surface area and large pore volume carbon nanomaterial with high content of sp2 hybridized carbon-carbon in the form of nanosheets from a renewable carbonaceous raw material. The resulting nanomaterial is in particulate form or porous nanomaterial or dispersed in solvent. This process can also be used to produce carbon nanosheet on substrates or form a nanocomposite with other materials that results in exceptional properties.
Resumen de: US2025364567A1
A high-performance lithium battery current collector and a conductive slurry, and preparation methods therefor. A functional coating of the current collector is a functional layered covering structure with a thickness of no more than 800 nm formed by coating a conductive slurry on a surface of a metal foil and drying. The functional coating includes a plurality of strip-shaped modified conductive agents, and after being cured and molded, the modified conductive agents are parallel to one another in the functional coating, axes of the modified conductive agents are arranged obliquely relative to a surface of the metal foil at an included angle of 15° to 45° within a thickness of the functional coating, and the modified conductive agents are interwoven with a modified nanofiber, a binder and the conductive agent in the coating.
Resumen de: WO2025245029A1
A nanocomposite proximity-pressure sensor (NPPS), configured to measure one or more human biometrics, the NPPS including a carbon nanotube-paper (CPC) electrode, a multiwalled carbon nanotubes (MWCNTs) foam, and an auxetic MWCNTs-embedded frame, wherein the auxetic MWCNTs-embedded frame is positioned around the MWCNTs foam, wherein when the auxetic frame is compressed, it expands and exerts a pressure onto the MWCNTs foam.
Resumen de: US2025362435A1
A light absorber, comprises a plurality of carbon nanotubes, an epoxy resin and a plurality of carbon particles. The plurality of carbon nanotubes are connected with each other to form a carbon nanotube network structure. The epoxy resin is coated on surfaces of the plurality of carbon nanotubes. The plurality of carbon particles connected with each other by the carbon nanotube network structure coated with the epoxy resin. A method for making the light absorber is further provided.
Nº publicación: WO2025243321A1 27/11/2025
Solicitante:
COUNCIL OF SCIENT & INDUSTRIAL RESEARCH [IN]
COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH
Resumen de: WO2025243321A1
The present invention relates to an electrocatalyst comprising monometallic or bimetallic nanoparticles decorated onto a composite containing aluminium oxyhydroxide supported nitrogen doped reduced graphene oxide (AlOOH/NGr or ANGr), and its process of preparation thereof. The present invention also relates to a half or full direct ammonia fuel cell (DAFC) comprising said electrocatalyst. The electrocatalyst of the present invention provides improves the electronic conductivity of the overall system and contributes towards the better AOR activity.