10 results about "Fullerene molecule" patented technology

The invention discloses an application of a perovskite solar cell module in a photovoltaic car roof power generation system, and belongs to the technical field of perovskite solar cells. The application comprises the following steps: pretreating an ITO glass substrate and then depositing the NiOx hole transport layer; after the perovskite precursor solution is deposited, a passivated perovskite layer is formed by soaking the perovskite precursor solution in an IEICO-4Cl ethyl acetate solution and annealing the perovskite precursor solution; blade coating of a PC61BM electron transport layer and evaporation of a BCP electrode buffer layer are carried out, then patterning scribing is carried out, an Ag back electrode is deposited, and internal series integration is realized; and the packaging module is integrated on a vehicle roof support system, and is electrically connected and inversed to supply power in a grid-connected manner. Non-fullerene molecules IEIC-4Cl are adopted as an anti-solvent additive, the perovskite crystal quality and the electron transport layer coverage are synchronously optimized through double-interface engineering, the interface passivation effect, the charge extraction efficiency and the module stability are remarkably improved, and the method is particularly suitable for large-area and continuous production and has wide application prospects. And the requirements of the photovoltaic car roof system on high efficiency, high stability and large-scale integration are met.

The invention relates to a method for preparing a two-dimensional polymerization fullerene film through vapor deposition, and belongs to the technical field of two-dimensional materials. According to the method, a vapor deposition method is adopted, firstly, gaseous fullerene molecules are reduced, bonding among the fullerene molecules is induced, ordered covalent connection is formed, and therefore the two-dimensional polymerization fullerene film is directly obtained on a substrate. The two-dimensional polymerized fullerene film is directly synthesized in a vapor deposition mode, and the method is simple, high in efficiency and large in area. Compared with a traditional stripping mode, the method has the advantage that the two-dimensional polymerized fullerene film is directly synthesized on the surface of the substrate.

The application discloses high-uniformity super-high-pore-volume carbon black and a preparation method thereof, and belongs to the technical field of carbon material preparation. 60 @The method comprises the following steps: uniformly dispersing fullerenes in an aromatic hydrocarbon precursor to form a mixed solution; pyrolyzing and carbonizing under an inert atmosphere to form C 60 @The carbon black core-shell structure is formed by sequentially performing first-stage low-temperature oxidation and second-stage high-temperature oxidation treatment, selectively removing the fullerenes template to build uniform micropores, and finally performing hydrogen reduction treatment to obtain the product. Through the synergistic effect of the fullerenes molecular template and the gradient oxidation process, the prepared carbon black has a pore volume of greater than or equal to 2.86 cm<3> / g, a micropore volume proportion of greater than or equal to 86.5%, and a particle size distribution span (Span) of less than or equal to 0.87, and has high pore volume and high structural uniformity, and can be widely applied to high-end energy storage fields such as lithium-sulfur batteries and supercapacitors.

The invention provides a fullerene polymer material, a negative electrode material, a negative electrode plate, a lithium ion battery and a preparation method of the lithium ion battery. The fullerene polymer material provided by the invention comprises a fullerene polymer and alkaline earth metal ions doped in the fullerene polymer, the molar ratio of the alkaline earth metal ions to the fullerene molecules is (0.01-1): 1. Alkaline-earth metal is adopted to induce fullerene molecules to be covalently connected, then an acidic reagent is adopted to remove part of alkaline-earth metal ions, the fullerene polymer material of a three-dimensional layered network structure is obtained, the fullerene polymer material is good in stability and large in interlayer gap, has more adsorption sites, and has a good adsorption effect when being used as a negative electrode material. The lithium ion intercalation and deintercalation efficiency is high, and the specific capacity, the rate capability and the cycle performance of the lithium ion battery can be improved.

A material that includes a plurality of exfoliated carbon nanotubes, each exfoliated carbon nanotube having multiple walls and an outer diameter in the range of subnanometers to tens of nanometers, and having at least one end capped, for example, with half of a fullerene molecule.

The invention relates to a polyethylene glycol modified fullerene derivative as well as a preparation method and application thereof. The invention provides a polyethylene glycol modified fullerene derivative, the polyethylene glycol modified fullerene derivative has a fullerene skeleton and a polyethylene glycol derivative, the fullerene skeleton is one or more fullerene molecules containing C2n1, 2n1 is the number of carbon atoms, n1 is more than or equal to 30 and less than or equal to 60, and the polyethylene glycol derivative is covalently connected with the fullerene skeleton. The polyethylene glycol modified fullerene derivative is clear in molecular structure and good in water solubility, and has good biocompatibility and oxidation resistance.

This invention discloses a perovskite solar cell based on an ultrafast electron extraction layer and its fabrication method, belonging to the field of optoelectronic materials and devices. The invention involves spin-coating a hole transport layer onto conductive glass. A precursor solution for the ultrafast electron extraction layer is prepared by combining metal-embedded fullerene molecules with organic polymer materials. This precursor solution is then deposited on a transparent conductive substrate after the perovskite film has been deposited using spin-coating, thus fabricating an electron extraction layer with ultrafast electron transport capabilities. Subsequently, an electron transport material, an interface modification material, and a metal electrode are vacuum-deposited onto the ultrafast electron extraction layer to obtain the perovskite solar cell. The perovskite solar cell fabricated using this ultrafast electron extraction layer exhibits high photoelectric conversion efficiency and excellent device stability, making it suitable for the industrial production of high-efficiency photovoltaic devices.

The invention relates to a porous carbon material and a preparation method thereof.The preparation method of the porous carbon material comprises the following steps that fullerene, a reducing agent, an aromatic auxiliary agent and an ether solvent are mixed and subjected to a hydrothermal reaction at the temperature of 100-250 DEG C, a hydrothermal reaction product is obtained, the reducing agent is selected from alkali metal and / or alkaline earth metal, and the aromatic auxiliary agent is selected from an aromatic auxiliary agent and an ether solvent; the boiling point of the ether solvent is 150 DEG C or above, the boiling point of the aromatic auxiliary agent is 150 DEG C or above, and the reduction potential ranges from-1.8 V to-2.8 V; and annealing the hydrothermal reaction product for multiple times to obtain the porous carbon material. According to the preparation method, efficient conversion of fullerene molecules to the long-range ordered porous carbon material can be achieved under the mild condition, and the prepared porous carbon material has a regular pore channel structure and excellent conductivity and can be widely applied to the fields of energy storage, catalytic carriers and optoelectronic devices.

The invention discloses high-uniformity ultrahigh-pore-volume carbon black and a preparation method thereof, and belongs to the technical field of carbon material preparation. The method comprises the following steps: uniformly dispersing fullerene in an aromatic hydrocarbon precursor to form a mixed solution; pyrolyzing and carbonizing in an inert atmosphere to form a C60-carbon black core-shell structure; sequentially carrying out first-stage low-temperature oxidation and second-stage high-temperature oxidation treatment, and selectively removing the fullerene template to construct uniform micropores; and finally performing hydrogen reduction treatment to obtain a product. Through the synergistic effect of the fullerene molecular template and the gradient oxidation process, the pore volume of the prepared carbon black is larger than or equal to 2.86 cm / g, the micropore volume proportion is larger than or equal to 86.5%, the particle size distribution span (Span) is smaller than or equal to 0.87, and the carbon black has the high pore volume and the high structure uniformity and can be widely applied to the high-end energy storage field of lithium-sulfur batteries, supercapacitors and the like.

The application belongs to the technical field of crystalline fullerene derivatives, and particularly relates to a method for preparing large-size fullerene crystals and magnesium intercalated two-dimensional fullerene crystals with high yield. 60 The crystal particles are mixed with a magnesium source, and then are placed in a reaction container. The mixture is subjected to solid-phase heat treatment under inert atmosphere or vacuum condition, so that magnesium atoms are intercalated into the fullerene crystals and adjacent fullerene molecules are induced to occur two-dimensional covalent polymerization. The product is directly collected in situ to obtain magnesium intercalated two-dimensional fullerene crystals. In the application, the fullerene raw material and the magnesium source are separately placed on one side of the reaction container, vacuum is drawn, then the raw material side is set as a high-temperature zone, the other side is set as a low-temperature zone for heating, and finally the low-temperature zone product is collected to obtain C 60 crystal particles. The application significantly improves the reactant utilization rate and the product collection efficiency through solid-phase conversion of the fullerene crystal precursor.