73 results about "Carbon Nanoparticles" patented technology

The application provides a biomass-based hard carbon composite negative electrode material with high capacity and high initial efficiency, and a preparation method and application thereof. The biomass-based hard carbon composite negative electrode material has high capacity and high initial efficiency, and also has excellent cycle performance. AlCl3 and SnCl4 are added into molten pitch, and AlCl3 and SnCl4 react with water in the pitch to generate nano Al2O3 particles and nano SnO2 particles, thereby obtaining modified pitch. After the modified pitch is prepared into a solution, the modified pitch can be filled into pores of a hard carbon precursor and form a coating layer on a surface of the hard carbon precursor in the process of impregnation of the hard carbon precursor. In a high-temperature carbonization process, the hard carbon precursor is converted into hard carbon, nano SnO2 is reduced into nano Sn particles by carbon, and pitch is converted into amorphous carbon. The nano Sn particles, the amorphous carbon and the nano Al2O3 particles are uniformly distributed in pores and on a surface of the hard carbon, and synchronous modification of the inside and the surface of the hard carbon is realized.

The invention discloses nano composite hydrogel modified silica gel as well as a preparation method and application thereof. The method comprises the following steps: (1) preparing carbon nanoparticles; (2) preparing a polyvinyl alcohol aqueous solution and a pre-polymerized solution of carbon nanoparticles and hydrogel; (3) preparation of nano-composite hydrogel modified silica gel: adding the pre-polymerized liquid and silica gel into the polyvinyl alcohol aqueous solution under stirring, adding an initiator, carrying out hot bath, carrying out condensation reflux in an inert atmosphere for reaction, and then adding a polyvinyl alcohol cross-linking agent and an HCl aqueous solution for reaction; and after the reaction is finished, centrifugally washing and drying to obtain the nano-composite hydrogel modified silica gel. The nano-composite hydrogel modified silica gel has excellent hydrophilicity, can be used as a hydrophilic mode liquid chromatography filler, and has great development space and application potential in the field of chromatographic separation and analysis.

The present invention relates to single-crystal spherical carbon nanoparticles that are single-crystals, are spherical, and have an average particle diameter of 1 nm to 30 nm. The single-crystal spherical carbon nanoparticles of the present invention can generate fluorescence with a high fluorescence quantum efficiency when excited by a light in wide wavelength range from ultraviolet light to visible light, and have fluorescence quantum efficiency of 10% or more compared to conventionally known carbon nanoparticles. The single-crystal spherical carbon nanoparticles can be used for drug delivery, because they do not have toxicities to living organisms that compound semiconductors made of cadmium, selenium, tellurium, and the like have. Furthermore, since the single-crystal spherical carbon nanoparticles are spherical, they can be densely packed as electrode materials for solar cells and secondary ion batteries, and can be used for negative electrode for lithium ion batteries or electrode material for solar cells.

An electroluminescent device includes a first electrode and a second electrode, which are spaced apart from each other (e.g., facing each other), and an emission layer disposed between the first electrode and the second electrode. The emission layer is configured to emit first light having a predetermined peak emission wavelength, and includes a semiconductor nanoparticle and a carbon nanoparticle. The carbon nanoparticle has a dimension of greater than or equal to about 2 nm and less than or equal to about 50 nm.

To provide a structure having a dense carbon film. [Solution] A structure comprising a conductive substrate and a carbon film on the surface of the conductive substrate, wherein the carbon film includes an aggregate of carbon nanoparticles, and the carbon nanoparticles are made of amorphous carbon.

The present disclosure relates to a negative electrode for a lithium secondary battery and a lithium secondary battery including same. According to an embodiment of the present disclosure for solving technical problems, the negative electrode for a lithium secondary battery includes a negative electrode current collector and a composite layer disposed directly on the negative electrode current collector, and the composite layer may include a polymer, carbon nanoparticles, and insulating particles.

The purpose of this invention is to synthesize a carbon dot-based nanozyme and its cascade detection application. Using ascorbic acid and 1,3,5-pyromellitic acid as raw materials, ethylenediamine as a nitrogen dopant, and ferric chloride as a metal source, a one-step microwave synthesis method is employed in a microwave reactor (glass material). This method solves the problem of high energy consumption caused by the need for high temperature, high pressure, or long reaction time in existing technologies. Characterization and analysis of its morphology, structure, and properties revealed that the prepared iron-nitrogen co-doped carbon dot-based nanozyme consists of two-dimensional spherical carbon nanoparticles with excellent Fe-N... x The active site exhibits POD-like enzyme activity, with catalytic activity exceeding that of most reported nanozymes. Furthermore, this invention synergistically utilizes its peroxidase-like catalytic activity and photodynamic effect to significantly enhance reactive oxygen species (ROS) generation, achieving highly sensitive detection of organophosphorus pesticides and significantly reducing their detection limits. This synergistic strategy provides a new approach for expanding the application of nanomaterials in chemical analysis and sensing.

The application provides a kind of carbon nanoparticles-based tidal power generation device, and relates to the technical field of tidal power generation, comprising: floating foundation platform and power generation unit, the floating foundation platform includes base, buoyancy bucket, support rod, power generation unit slot and rotation control system;The base is hollow cuboid, the base is internally provided with rotation control system, the rotation control system is connected with several support rods, a plurality of power generation unit slots are provided on each support rod, the base is connected with buoyancy bucket on both sides through clamping groove, and the base rear side is provided with locking mechanism;The power generation unit is arranged in the power generation unit slot, and the power generation units on each support rod are connected in series with the power generation units on another row in series or parallel connection after being connected in series with each other.The application has the characteristics of low cost and simple preparation, and the formed tidal power generation device can realize stable power output.

The application discloses a composite material based on interface-enhanced glass hollow microspheres and a preparation method thereof, wherein the composite material comprises a resin matrix and composite glass hollow microspheres doped in the resin matrix, and the density of the composite material is 0.2-1.0 g / cm ‑3 . The composite glass hollow microspheres are composed of glass hollow microspheres and carbon nanoparticles modified on the surfaces of the glass hollow microspheres. In the composite material, the glass hollow microspheres modified with the carbon nanoparticles optimize the hollow surface structure of the microspheres, improve the wettability with the polymer resin matrix, repair the defects on the surfaces of the microspheres, and enhance the strength of the microspheres. In addition, the carbon nanoparticles in the composite glass hollow microspheres play a reinforcing role at the interfaces of the microspheres. The above factors together make the composite material have more excellent mechanical properties and stability.

The invention relates to an electrode layer (3, 4) for a PEM fuel cell (100), comprising a plurality of first electrode regions (30a) and a plurality of second electrode regions (30b). The first electrode regions (30a) have first carbon nanoparticles (31a), first catalyst elements (32a), and a first ionomer (33a), and the second electrode regions (30b) have second carbon nanoparticles (31b), second catalyst elements (32b), and a second ionomer (33b). The electrode layer (3, 4) defines an imaginary plane xy, and the electrode regions (30a, 30b) extend in the thickness direction z of the electrode layer (3, 4). The first electrode regions (30a) and the second electrode regions (30b) are situated next to one another so as to be mixed on the plane xy. The first electrode regions (30a) and the second electrode regions (30b) differ with respect to at least one of the components, i.e. the carbon nanoparticles (31a, 31b), the catalyst elements (32a, 32b), or the ionomers (33a, 33b).

The present disclosure provides a protective enclosure for electronic systems integrating two key components: a preconfigurable polymer matrix and a tunable metamaterial. The polymer matrix forms a lightweight, structurally robust foundation with excellent mechanical properties and design flexibility, configurable for specific application requirements. Integrated within this matrix is a highly adaptable metamaterial system, precisely tunable to interact with electromagnetic energy in customized ways. By adjusting its permittivity and permeability, the metamaterial can selectively repel or absorb specific frequencies of electromagnetic radiation, allowing targeted shielding against harmful interference while permitting desired communication signals to pass through. This integration overcomes limitations of traditional electromagnetic shielding approaches, offering enhanced design flexibility and customization for various electronic applications. The use of carbon nanoparticles enables fine-grained control over the metamaterial's electromagnetic properties, creating protective enclosures that effectively manage electromagnetic energy while remaining lightweight and mechanically robust.

The present application is related to a method of producing single-crystal spherical carbon nanoparticles that are single-crystals and spherical. The single-crystal spherical carbon nanoparticles produced by the production method of the present invention can generate fluorescence with high fluorescence quantum efficiency when excited by a light in a wide wavelength range from ultraviolet light to visible light, and have a fluorescence quantum efficiency of 10% or more compared to conventionally known carbon nanoparticles. In addition, The single-crystal spherical carbon nanoparticles produced by the production method of the present invention can be used for drug delivery, because they do not have toxicities to living organisms that compound semiconductors made of cadmium, selenium, tellurium, etc. have. Furthermore, since the single-crystal spherical carbon nanoparticles produced by the production method of the present invention are spherical, they can be densely packed as electrode materials for solar cells and secondary ion batteries, and can be used for a negative electrode for lithium batteries or an electrode material for solar cells.

The application discloses a preparation method of high-strength and high-ductility titanium-based composite material with a composition gradient, and comprises the following steps: 1, material selection: selecting a plurality of Mo equivalent different beta type titanium alloy powder as a matrix material, and selecting carbon nanoparticles as a precursor material of a reinforcing body; 2, powder mixing: placing the plurality of Mo equivalent different beta type titanium alloy powder and the carbon nanoparticles in a ball mill and ball milling and uniformly mixing; 3, forming: performing plasma sintering forming on the mixed powder; 4, heat treatment: performing solid solution treatment on a titanium-based composite material blank to obtain the high-strength and high-ductility titanium-based composite material with the composition gradient. The application utilizes a powder metallurgy method to sinter the plurality of Mo equivalent different beta type titanium alloy powder and the carbon nanoparticles into a bulk alloy, so that the sintered bulk alloy has the composition gradient, and the prepared titanium-based composite material with the composition gradient has excellent mechanical properties and is a high-strength and high-elongation composite material.

A self-supporting dehumidifying porous material is comprised of a backbone polymeric matrix optionally with graphitic nanomaterials dispersed throughout. The backbone polymeric matrix can be a reversible hydrogel. The macroporous material can be used as a dehumidifying material for reducing energy consumption in air conditioning / climate control units. Common graphitic nanomaterials are electrically conductive, such as conductive carbon nanoparticles, carbon nanotubes, or graphitic nanofibers.

The present disclosure provides a protective enclosure for electronic systems integrating two key components: a preconfigurable polymer matrix and a tunable metamaterial. The polymer matrix forms a lightweight, structurally robust foundation with excellent mechanical properties and design flexibility, configurable for specific application requirements. Integrated within this matrix is a highly adaptable metamaterial system, precisely tunable to interact with electromagnetic energy in customized ways. By adjusting its permittivity and permeability, the metamaterial can selectively repel or absorb specific frequencies of electromagnetic radiation, allowing targeted shielding against harmful interference while permitting desired communication signals to pass through. This integration overcomes limitations of traditional electromagnetic shielding approaches, offering enhanced design flexibility and customization for various electronic applications. The use of carbon nanoparticles enables fine-grained control over the metamaterial's electromagnetic properties, creating protective enclosures that effectively manage electromagnetic energy while remaining lightweight and mechanically robust.

The invention relates to a bituminous composition comprising at least one bitumen base and at least one electrically conductive filler, preferably selected from carbon nanoparticles. The invention also relates to the uses of said bituminous composition in the fields of road and airport infrastructure, and / or waterproofing membranes, as well as for surface de-icing and the thermal preconditioning of electric vehicle batteries.

A working electrode includes an outer layer including carbonized date palm frond carbon nanoparticles having a particle size of less than 100 nanometers (nm), single-wall carbon nanotubes (SWCNTs), and a polyvinylidene fluoride binder. The working electrode further includes a graphite substrate on which the outer layer is disposed. The ID / IG ratio of the electrode measured in the Raman spectrum is 2.0 or greater.

The invention discloses a carbon nano molecular probe as well as a preparation method and application thereof, and belongs to the technical field of chemical biology. The carbon nano-molecular probe comprises carbon nano-particles, wherein the surfaces of the carbon nano-particles are connected with polypeptide, and the nitrogen end of the polypeptide is connected with fluorescent molecules. The nano-scale passive diffusion and fluorescence quenching properties of the carbon nano-particles are utilized, a polypeptide sequence which can be subjected to specific enzyme digestion and is labeled by specific fluorescence can be connected to the surfaces of the carbon nano-particles, molecular imaging is performed in immune cells, the biochemical environment and the curing state in the immune cells are monitored in real time, and cellular level immune drug screening is performed. The important application value is realized.

The application discloses a kind of magnetic orientation graphene / carbon composite material and preparation method thereof, belong to composite material technical field.Magnetic orientation graphene / carbon composite material is by porous carbon matrix and the several layer magnetic orientation graphene layer inside porous carbon matrix inside alternately parallel arrangement along vertical direction jointly formed;Porous carbon matrix is formed by carbon nanoparticles connected with plant sugar precursor conversion, and carbon nanoparticles in porous carbon matrix are mutually connected to form micro-nano size closed pore;Magnetic orientation graphene layer is formed by two-dimensional reduced graphene oxide nanosheet mutual lap joint.The preparation method is as follows: preparation magnetic graphene dispersion liquid and plant sugar precursor sol, then the two are stirred and mixed, to obtain mixed sol;Magnetic graphene in mixed sol is oriented using magnetic orientation device, then initiator is added to make mixed sol solidify into gel;Gel is low-temperature pre-carbonized and high-temperature graphitized to obtain magnetic orientation graphene / carbon composite material.The preparation method is simple, graphene orientation is controllable, low in cost and can be integrated into shape preparation composite material.

The application discloses low-density monolithic porous carbon and a microemulsion preparation method and application thereof, and relates to the field of foam carbon materials. The porous carbon material comprises a three-dimensional network structure formed by cross-linking and stacking of cavity carbon nanoparticles, and has a density of 0.16-0.35 g / cm 3 ; the phenolic resin is used as a precursor, the foaming agent, i.e., the microemulsion droplet of the imidazole compound, is used as a template, and a green solvent is used, and the monolithic porous carbon is obtained through a sol-gel reaction, drying and pyrolysis. The imidazole compound and the hydrophilic end of the foaming agent interact to form a flexible small-molecule interface film, reduce the interfacial tension and stabilize the emulsion droplet. The foaming agent is decomposed to form a cavity spherical structure during carbonization. The monolithic porous carbon has a developed porous structure and surface hydrophobicity, is beneficial to constructing a high-efficiency electrocatalytic reaction microenvironment, and is reflected in improving the surface reaction gas concentration and inhibiting excessive mass supply, so as to improve the electrocatalytic reaction selectivity. Based on the morphology, pore structure and surface properties, the monolithic porous carbon also has application potential in the fields of water purification and heat insulation and flame retardation.

Electrodes known in the art for use in combination with functional electrical stimulation deteriorate after multiple uses and require continuous wetting or skin interface layers for comfortable use. A reusable, convenient and comfortable dry electrode as disclosed herein comprises an electrically conductive material comprising a fluoropolymer matrix and electrically conductive carbon nanoparticles dispersed in the matrix, and a conductor configured to contact a stimulator and deliver an electrical pulse from the stimulator to the material, wherein the dry tissue contacting surface of the material is configured to deliver electrical stimulation directly to the tissue. The present disclosure also relates to reusable dry electrodes, uses of dry electrode garments and devices, and methods of making and using the same.

The present invention belongs to the field of medicine and relates to use of an iron-loaded carbon nanoparticle suspension injection for combined administration. The iron-loaded carbon nanoparticle suspension injection is administered in combination with an anticancer drug to inhibit tumor growth. In the combined administration, the anticancer drug is administered orally or intravenously, and the iron-loaded carbon nanoparticle suspension injection is administered via intratumoral injection. After the iron-loaded carbon nanoparticle suspension injection is injected into a tumor, it is found that the anticancer drug administered orally or intravenously is enriched in the tumor, thereby increasing the concentration of the anticancer drug in the tumor, enabling the anticancer drug to more accurately act on the tumor site, and reducing the dose of the anticancer drug and its toxic side effects on normal cells and tissues. The combined administration of the iron-loaded carbon nanoparticle suspension injection and the anticancer drug has a synergistic effect.

A self-supporting dehumidifying porous material is comprised of a backbone polymeric matrix optionally with graphitic nanomaterials dispersed throughout. The backbone polymeric matrix can be a reversible hydrogel. The macroporous material can be used as a dehumidifying material for reducing energy consumption in air conditioning / climate control units. Common graphitic nanomaterials are electrically conductive, such as conductive carbon nanoparticles, carbon nanotubes, or graphitic nanofibers.

The invention discloses a photo-thermal oil absorption material with a graded capillary network and a preparation method of the photo-thermal oil absorption material, and relates to the technical field of adsorption materials. The bi-component ethylene-propylene fiber and the collagenous fiber are compounded by adopting an in-situ thermal bonding process to obtain the photo-thermal oil absorption material, so that the collagenous fiber rich in fine capillaries in the photo-thermal oil absorption material is wound on the surface of the bi-component ethylene-propylene fiber with relatively large pores to form a graded capillary network; boron nitride nanosheets are directionally stacked and continuously anchored on the surface of the bi-component ethylene-propylene fiber to form a large-area continuous heat conduction channel, and the photothermal conversion efficiency and the heat conductivity of the photothermal oil absorption material are synergistically enhanced by adding the carbon nanoparticles; the heat on the upper surface of the photo-thermal oil absorption material is quickly transferred to an oil-material interface to reduce the viscosity of oil, so that the adsorption performance of the photo-thermal oil absorption material on the oil is further improved.

The present invention relates to a multidirectional micro and nanofiber non-woven layer composite of ultra-high molecular weight polyethylene (UHMWPE) and carbon nanoparticles as an additive for application in ballistic protection and anti-sharp protection. The present invention also relates to an electrospinning process for obtaining said composite and to its use.

This invention discloses a method for preparing a Ti-Al-C MAX phase ceramic-metal composite coating on the surface of titanium alloys, belonging to the field of titanium alloy surface coatings. The coating exhibits a structure of an outer Ti-Al intermetallic compound phase and an inner Ti-Al-C MAX phase. The outer layer impedes the diffusion of external oxygen and corrosive media inwards; the inner layer effectively inhibits elemental interdiffusion between the substrate and the coating, and further hinders the diffusion and penetration of oxygen and corrosive media. The specific method involves: preparing carbon nanoparticle slurry and Al slurry separately; uniformly brushing the carbon nanoparticle slurry onto the surface of a pretreated titanium alloy workpiece and vacuum drying it; then coating the surface with Al slurry and vacuum drying it again; finally, placing the workpiece in a vacuum heat treatment furnace, holding it at that temperature for a certain time, and then cooling it with the furnace to obtain the composite coating. The composite coating prepared by this process has good thermal stability, good bonding with the substrate, low cost, and wide applicability, and can effectively extend the service life of titanium alloy workpieces in high-temperature and complex environments.

The invention discloses pyrrole type nitrogen-doped carbon gel and a preparation method thereof, the nitrogen-doped carbon gel is formed by gathering and cross-linking carbon nanoparticles less than 100 nm, pyrrole type nitrogen in the nitrogen element of the carbon gel is dominant, the molar ratio of pyrrole type nitrogen in all nitrogen species of the carbon gel is higher than 70%, and the nitrogen-doped carbon gel is prepared from a sugar-containing substance and pyrrole through a hydrothermal reaction. The pyrrole type nitrogen-doped carbon gel shows high mechanical strength and high wear resistance.

The present invention provides a conductive concrete structure that does not require a carbon nanoparticle dispersant, has low dependence on the formulation, is relatively easy to manufacture, and is versatile. [Solution] The concrete structure 1 includes coarse aggregate 2 and mortar 3 filling the gaps between the coarse aggregate 2, the coarse aggregate 2 is covered with a carbon film 4, and each piece of coarse aggregate 2 is in direct contact with at least one other piece of coarse aggregate 2 in the surrounding area.

An amorphous carbon has a three-dimensional arrangement of carbon nanoparticles as agglomerates and is produced from carbon-containing raw materials by a charring and distillation process. The carbon is suitable for medical use, as thermal and / or refractory and / or radiation-resistant insulating material, as a filter element, as a storage element or for the production of plant products or for planting water-poor regions. In another aspect, an electric energy storage device in the form of a double-layer capacitor has a symmetrical structure, with a housing and a collector each from the outside inwards, with an electrode formed as a carbon layer and a separator with an electrolyte, wherein the carbon layer is formed as agglomerates from an amorphous carbon produced by the method for the material treatment of carbon-containing raw materials and having the structure of the three dimensional arrangement of carbon nanoparticles.

The invention relates to the technical field of new energy battery materials, in particular to a method for preparing a carbon-amorphous iron phosphate nano core-shell structure by using a biomass carbon source, which comprises the following steps: obtaining carbon nanoparticles by using the biomass carbon source through hydrothermal carbonization, and then uniformly coating the surfaces of the carbon nanoparticles with a layer of iron phosphate through a template method to obtain the carbon-amorphous iron phosphate nano core-shell structure. And finally, annealing to obtain the carbon-amorphous iron phosphate nano core-shell structure positive electrode material. Due to the addition of the carbon nanoparticles, the conductivity of the electrode material is improved, the structural stability of the electrode material in the charge-discharge process is effectively solved, and the technical problem of poor cycle performance of the sodium ion battery caused by low conductivity of FePO4 serving as a positive electrode in the prior art is improved.