61results about How to "Solve reunion" patented technology

The invention relates to the technical field of preparation of silicon carbide ceramics, in particular to an in-situ reaction sintered silicon carbide ceramic and a preparation method thereof.The preparation method comprises the following technological stages which are conducted in sequence: S1, preparation of silicon carbide slurry, specifically, organic matter precursor raw materials are weighed according to the mass content percentage to form the silicon carbide slurry; s2, vacuum grouting: injecting the silicon carbide slurry in the vacuum grouting tank into the shaping mold from the bottom of the shaping mold to form a silicon carbide green body; and S3, in-situ reaction sintering is conducted, specifically, the silicon carbide green body is placed in a sintering furnace, heating, heat preservation and cooling are conducted on the silicon carbide green body in the argon atmosphere through a segmented temperature control technology, and the silicon carbide ceramic is obtained. The silicon carbide ceramic prepared by the method disclosed by the invention has relatively high density and excellent mechanical properties.

This invention relates to the field of thermal insulation materials, specifically to an inorganic silicon crystal fire-resistant thermal insulation material for fireproof air ducts and its preparation method. The material comprises inorganic silicon crystal powder, hollow microspheres, composite binders, reinforcing fibers, surface modifiers, nano-antibacterial agents, crack-resistant agents, flame-retardant synergists, and intumescent flame-retardant microcapsules. The inorganic silicon crystal powder is activated by calcination, the microspheres are pretreated with coupling agents and coated with silica sol, the binder is a compound type, the fibers are grafted, the antibacterial agent is loaded onto a carrier, and the flame-retardant microcapsules have a specific core and shell. All components work synergistically to ensure performance. This invention improves the material's fire resistance, thermal insulation, and mechanical properties, integrates antibacterial and flame-retardant functions, optimizes the process to ensure stable performance, reduces fire risk, and meets the high-performance and high-stability requirements of high-end building fireproof air ducts.

This application relates to the field of insulating materials, specifically disclosing a flexural insulating material, its preparation method, and a robot cable, comprising the following raw materials in parts by weight: 50-80 parts of low-density polyethylene, 30-40 parts of medium-density polyethylene, 30-40 parts of ethylene-tetrafluoroethylene-perfluoropropyl vinyl ether terpolymer, 1-20 parts of filler, 3-8 parts of compatibilizer, 0.1-5 parts of crosslinking agent, and 0.1-5 parts of co-crosslinking agent. This invention addresses the performance shortcomings of existing insulating materials, achieving a balance of flexural resistance, abrasion resistance, insulation stability, and excellent flexibility, thus meeting the stringent requirements of high-frequency cables used in robots / manipulators.

This invention discloses a method for preparing interface-reinforced niobium pentoxide / porous graphene and its energy storage application. The method involves adding porous graphene oxide during the solvothermal synthesis of a niobium pentoxide precursor to obtain a composite precursor of niobium pentoxide and porous graphene oxide. This precursor is then annealed under a protective atmosphere to obtain the interface-reinforced niobium pentoxide / porous graphene composite material. The composite material obtained by this invention exhibits excellent performance as an electrochemical energy storage material. Furthermore, the preparation method of this invention is simple to operate, requires no complex equipment, and is easily controlled, making it suitable for mass production.

This invention discloses a dual-mode synergistic composite photocatalyst, its preparation method, and its application in styrene-acrylic emulsion coating compositions, belonging to the field of architectural coating technology. The dual-mode synergistic composite photocatalyst possesses a TiO2@dense SiO2@mesoporous SiO2-MnO2-GQDs three-layer core-shell structure. The styrene-acrylic emulsion coating provided by this invention utilizes the aforementioned dual-mode synergistic composite photocatalyst, and innovatively employs a yellowing-resistant composition composed of hollow titanium dioxide-supported phenyltriazole particles, a sulfonic acid-grafted hindered amine light stabilizer, and nano-zinc oxide. This composition synergistically inhibits yellowing of the paint film through enhanced UV absorption and improved interfacial compatibility. The styrene-acrylic emulsion coating provided by this invention successfully solves the two major problems of traditional photocatalytic coatings: "purification depends on light" and "self-catalysis leads to yellowing of the paint film." It can efficiently degrade formaldehyde under both light and dark conditions and exhibits excellent yellowing resistance.

The application discloses an organic amine modified HMS molecular sieve and application thereof in carbon dioxide capture, and specifically relates to the following steps: first, preparing mesoporous molecular sieve HMS, which contains two kinds of pore structures, 4.5-8.0 nm and 11.5-17.5 nm respectively, and a single wide diffraction peak is presented at 2theta=2.6 degrees in X-ray powder diffraction; then, grafting amino silane on the surface of the mesoporous molecular sieve HMS; and finally, immersing the mesoporous molecular sieve HMS in an organic amine solution to obtain a multilevel organic amine modified HMS molecular sieve. The synthesis method is simple, the carbon dioxide adsorption efficiency is high, and the thermal stability is good.

The application provides a kind of hydrophilic tubular membrane, including support layer and separation layer successively from inside to outside;The pore size of the support layer is 0.5-1.5 μm, the pore size of the separation layer is 30-80 μm, and the support layer and the separation layer are diffused and intertwined at the interface, forming a continuous gradient structure without obvious interface.The separation layer contains modified nanosilica by silane coupling agent.The application effectively reduces the mass transfer resistance by gradient structure, significantly improves the hydrophilicity and anti-pollution performance of the membrane surface by using modified nanosilica, and has strong interlayer bonding strength, which is suitable for high-pollution industrial wastewater treatment and other fields.

The invention discloses nanometer graphene oxide and a preparation method thereof. The transverse size of the nanometer graphene oxide is 10-100 nm, and the thickness of the nanometer graphene oxide is 1-2.5 nm. The surface chemical structure meets the following conditions: a C1s peak is analyzed on the basis of X-ray photoelectron spectroscopy, the sum of the atomic percent content of hydroxyl and epoxy groups is not higher than 15%, and the atomic percent content of carboxyl is not lower than 6%. According to the structural design, the structural defect caused by excessive oxidation or reduction in a traditional method is avoided, and the chemical stability and the functionalization potential of the material are improved.

This invention discloses an organosilicon-modified acrylic resin coating, its preparation method, and its application, belonging to the field of surface protection technology. The organosilicon-modified acrylic resin coating of this invention comprises the following raw materials in parts by weight: 92-99 parts of organosilicon-modified acrylic resin and 1-8 parts of modified SiO2@FGO nano-hybrids. This invention achieves surface modification of graphene oxide using a silane coupling agent, and further obtains the coating through in-situ hydrolysis deposition and modification of SiO2 nanoparticles. The organosilicon-modified acrylic resin coating with composite nanofiller exhibits excellent resistance to chloride ion corrosion, carbonization, alkali resistance, weather resistance, and adhesion, and can be used for surface protection of marine reinforced concrete engineering projects.

The invention relates to the technical field of composite electroplating, in particular to an electroplating method for preparing a high-wear-resistance self-lubricating plating layer, which comprises the following steps: firstly, carrying out pretreatment of oil removal and acid pickling activation on a metal workpiece; then preparing a nano composite nickel plating solution in which a nickel plating basic solution contains a nano particle composite phase subjected to pre-dispersion treatment, and the total concentration of composite particles is 10-60g / L; then the dispersion stability of the nano-composite nickel plating solution is maintained in a circulating filtration and mechanical stirring combined mode, and the pretreated workpiece is electroplated; and finally, after electroplating is completed, the workpiece is cleaned and dried. According to the electroplating process for preparing the nickel-based composite coating with high wear resistance and low friction coefficient, the pulse current is adopted, and the high instantaneous current density and turn-off time of the pulse current are utilized, so that desorption and rearrangement of adsorbed particles are facilitated, uniform embedding of the particles is promoted, nickel matrix crystal grains are refined, and the compactness and comprehensive mechanical properties of the coating are further optimized.

This invention relates to the field of asphalt recycling technology, and more particularly to a waste incineration ash modified asphalt pavement paving machine with a recycling structure. The machine includes a body, a screening box mounted on the top of the body, a crushing chamber fixed to the top of the screening box, a hot air blower mounted on the side wall of the crushing chamber, an air supply pipe connected to the output end of the hot air blower, an electric heating plate mounted on the inner wall of the crushing chamber, a rotating shaft A rotating inside the crushing chamber, a crushing roller mounted on the outer wall of the rotating shaft A, and a crushing mechanism inside the screening box. This invention uses the hot air blower to supply hot air to the crushing chamber through the air supply pipe, preheating the asphalt and energizing the electric heating plate, resulting in a higher temperature inside the screening box than inside the crushing chamber. This makes the heating process of the asphalt more uniform and gentle, avoiding rapid heating that could lead to asphalt aging and ensuring the quality of asphalt recycling.

The invention discloses a T-Nb2O5 negative electrode material with high fast charging performance and a preparation method and application thereof, and belongs to the technical field of lithium ion battery materials. The method comprises the following steps: successively dispersing a niobium source, oxalic acid dehydrate and ammonium fluoride into water to obtain a clear solution, adding citric acid, and regulating and controlling a microflower-shaped precursor to preferentially expose a high-activity crystal face; carrying out hydrothermal reaction on the solution, and then carrying out centrifugal drying to obtain a uniform precursor; and calcining the precursor at a high temperature in an oxygen-containing atmosphere, cooling to 200-400 DEG C at a rate of 2 DEG C / min after calcining is finished, and rapidly immersing in saline water to rapidly cool to room temperature, thereby forming a high-activity interface layer on the surface layer of the material in situ. The T-Nb2O5 negative electrode material with a'crystal core-active shell 'composite structure is obtained through a cooperative temperature control strategy, the material has excellent bulk-phase ion transport kinetics and extremely low surface-interface reaction impedance, the charge-discharge capacity retention ratio is remarkably improved at a high rate of 10C, and the material has excellent cycle stability and fast charge performance and is suitable for being used in the field of lithium ion batteries and lithium ion batteries, such as lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries, lithium ion batteries and lithium ion batteries. The method is suitable for high-power lithium ion batteries.

This invention discloses a Zn-containing carbon material suitable for battery substrates and its preparation method. The method first involves mixing and reacting an IPA dispersion of ZnCl2 and an IPA dispersion of NaBH4 to obtain a Zn-NaBH4 composite precursor. Then, the Zn-containing carbon material is prepared at low temperature and efficiently by reacting Zn-NaBH4 with CO2. This invention offers a simple preparation method, and the resulting Zn-containing carbon material exhibits good electrical conductivity, a stable chemical structure, and excellent Zn ion transport channels, demonstrating superior performance when used as a substrate material for Zn batteries.

The invention discloses a preparation method of a laminated PbS quantum dot detector, and belongs to the technical field of infrared detectors. The method comprises the following steps: preparing a ligand and a dispersing agent; providing a substrate; preparing a bottom electrode on the substrate; preparing a hole transport layer on the bottom electrode, wherein the hole transport layer comprises a NiOx thin film and a PbS-EDT thin film; preparing a long-wave light absorption layer on the hole transport layer, wherein the long-wave light absorption layer comprises 2000nm PbS CQD; preparing a short-wave light absorption layer on the long-wave light absorption layer, wherein the short-wave light absorption layer comprises 1550nm PbS CQD; preparing an electron transport layer on the short-wave light absorption layer, wherein the electron transport layer comprises a C60 thin film and a thin film; and preparing a top electrode on the electron transport layer. According to the method, the short-wave light absorption layer and the electron transmission layer are in direct contact to form a main junction, the electron tunneling potential barrier is increased by utilizing the wide-band gap characteristic of the short-wave light absorption layer, meanwhile, the defects are low, trap auxiliary tunneling current is reduced, dark current is reduced, and full coverage of 1550-2000 nm can be achieved through the design of stacking the long-wave light absorption layer and the short-wave light absorption layer.

This utility model relates to the field of chemical production and processing technology, specifically an automatic dispersant dosing device. It includes a dispersant dosing unit, a reaction unit, and a washing unit. The dispersant dosing unit includes a dispersant hopper, with a dispersant tipping machine connected to the bottom of the hopper, and a dispersant screw conveyor connected to the bottom of the tipping machine. The reaction unit includes a sodium sulfide solution preparation tank and a dispersant solution preparation tank, with the upper part of the sodium sulfide solution preparation tank connected to the sodium sulfide solution tank via a pipeline. In this automatic dispersant dosing device, the dispersant hopper, dispersant tipping machine, and dispersant screw conveyor, in conjunction with a level gauge and a PLC automatic control system, achieve automatic and precise dispensing of the dispersant. The tipping machine shaft and rake teeth of the dispersant tipping machine effectively prevent material blockage, while the screw conveyor shaft and blades of the dispersant screw conveyor ensure stable material transport, avoiding errors and delays associated with manual dosing.

This invention relates to a salt spray resistant nano-microceramic heavy-duty anti-corrosion coating material for use in port and marine environments, its preparation process, and its application. This salt spray resistant nano-microceramic heavy-duty anti-corrosion coating material for port and marine environments is composed of component A and component B mixed in a mass ratio of 4:1 to 5:1. By weight, component A comprises 30-45 parts film-forming resin, 15-25 parts nano-ceramic powder, 10-18 parts corrosion-resistant filler, 8-12 parts rust-preventive pigment, 0.3-0.8 parts dispersant, 0.2-0.5 parts defoamer, 0.2-0.6 parts leveling agent, 0.5-1.2 parts anti-settling agent, and 5-10 parts diluent; component B is a silane-modified phenolic amine curing agent. This nano-microceramic heavy-duty anti-corrosion coating material for port and marine environments solves the technical problems of existing marine anti-corrosion coatings, such as high chloride ion permeability, difficulty in low-temperature curing, large variations in adhesion with temperature differences, and insufficient weather resistance.

The present application relates to a lightweight piston and a preparation method, comprising the following steps: S1 vacuum smelting: an aluminum-based alloy is placed in a vacuum induction smelting furnace, a vacuum degree is less than or equal to 10 ‑2 Pa, a smelting temperature is 730-770 DEG C, and a smelting time is 30-60 minutes; the present application uniformly disperses nanocrystals and modified graphene in a melt through process scale, pulse ultrasonic and ultrasonic-electromagnetic synergistic treatment, avoids the agglomeration problem of traditional external particles, reduces the interface energy of the seed and the aluminum matrix at the atomic scale through the doping of carbon and boron, provides dispersion strengthening and heterogeneous nucleation at the nanometer scale through titanium diboride and titanium carbide seeds, provides interface optimization and high-temperature pinning through a molybdenum tungsten shell layer, provides self-lubrication and heat conduction channels at the submicron scale through modified graphene, provides skeleton reinforcement at the micron scale through a three-dimensional network structure, and provides plasticity through a refined aluminum matrix.

The invention relates to the technical field of carbon dioxide capture and adsorption, in particular to a calcium oxide-based adsorbent for high-temperature carbon dioxide capture and a preparation method. The adsorbent comprises a biomass calcium carbonate matrix, a skeleton proppant, a Ce-Zr-Cu composite oxide bifunctional aid, a conductive dispersant, a macropore-mesopore-micropore hierarchical porous structure formed by biomimetic mineralization of a biological template agent, and an amino functional group grafted by a surface modifier. The biomass calcium carbonate matrix is formed by compounding egg shells, shells and coral bones according to the mass ratio of 1: 1: 0.5; the skeleton proppant is formed by compounding a ZSM-5 molecular sieve and mesoporous gamma-aluminum oxide according to a mass ratio of 2: 1; in the scheme, biomimetic mineralization is realized by compounding a ZSM-5 / gamma-alumina skeleton and a Ce-Zr-Cu ternary auxiliary agent, introducing a PAN-based nitrogen-doped carbon network and matching with a diatom-egg white biological template, and APTES + PEI surface modification is performed, so that the problems of poor sintering, poor circulation, agglomeration and the like of a traditional adsorbent are solved in a targeted manner, double-temperature-zone adsorption is also realized, and the comprehensive performance is greatly improved.

The invention discloses a high-silicon-content water-based silicone-acrylic emulsion and a preparation method thereof, and relates to the technical field of silicone-acrylic emulsions.According to the high-silicon-content water-based silicone-acrylic emulsion and the preparation method thereof, uniform nucleation and growth of nano-silica in a polymer network are achieved through synchronous implementation of monomer polymerization and nano-silica generation, and the total silicon content in the silicone-acrylic emulsion is higher than 30%; the in-situ synchronous hydrolysis-polymerization process adopted in the invention greatly simplifies the production process, improves the reaction efficiency, and makes the compatibility of an inorganic phase and an organic phase better, thereby endowing the adhesive film with excellent mechanical properties, water resistance, thermal stability, storage stability and the like.

The invention relates to the technical field of epoxy resin composite materials, in particular to a temperature-resistant and corrosion-resistant solid epoxy resin composite material and a preparation method thereof. The epoxy resin composition is prepared from the following components in parts by weight: 30 to 70 parts of epoxy resin matrix, 6 to 24 parts of aromatic curing agent, 3 to 17 parts of organic silicon modifier, 6 to 30 parts of fly ash, 4 to 10 parts of montmorillonite, 0.6 to 2.4 parts of silane coupling agent, 0.3 to 1.2 parts of 2-ethyl-4-methylimidazole, 0.3 to 0.8 part of triphenylphosphine and 0.05 to 0.8 part of antioxidant 1010. The epoxy resin matrix is at least one of bisphenol A epoxy resin and bisphenol F epoxy resin. According to the temperature-resistant and corrosion-resistant solid epoxy resin composite material and the preparation method thereof, the technical problems that an existing epoxy resin composite material is insufficient in temperature resistance, poor in corrosion resistance, difficult to consider comprehensive performance and the like are effectively solved, and the temperature-resistant and corrosion-resistant solid epoxy resin composite material has multiple excellent effects.

The application belongs to the technical field of pharmaceutical preparations, and particularly relates to a compound pharmaceutical preparation based on spray lactose and a preparation method thereof. The compound pharmaceutical preparation comprises the following components in parts by weight: active drug 10-15 parts, spray lactose 27-33 parts, mannitol 30-35 parts, modified microcrystalline cellulose 13-16 parts, disintegrating agent 3-5 parts, lubricant 1-2 parts, and flavoring agent 1-3 parts. The compound pharmaceutical preparation has the characteristics of high hardness, low friability, rapid disintegration, good content uniformity, excellent taste masking effect and good taste.

The invention discloses a stable animal-derived collagen solution for pricking needle injection as well as a preparation method and application of the stable animal-derived collagen solution. The preparation method comprises the following steps: enzymolysis, microfiltration and concentration, dilution and filtration, centrifugal separation, directional fixation and liquid preparation, homogenization and secondary fixation, and mixing and defoaming. By optimizing the preparation method of the collagen solution, the fiber state of the collagen is improved, so that the collagen fibers are uniformly dispersed in the system, the solution is uniform and fine in texture and good in flowability, and can be injected through a small needle head, so that the use requirements on the preparation performance in the beauty fields of hydro-optical needles and the like are met.

The invention discloses outdoor glass cement with excellent weather resistance and a preparation method of the outdoor glass cement, and belongs to the technical field of binders. Comprising the following components in parts by weight: 100 parts of hydroxyl-terminated polydimethylsiloxane, 10 parts of dimethyl silicone oil, 80-120 parts of filler, 6-12 parts of a cross-linking agent, 0.05-0.2 part of an organic tin catalyst, 0.5-2 parts of an amino silane coupling agent, 5-8 parts of a cerium dioxide immobilized hindered phenol anti-aging agent and 10-12 parts of branched polyether modified silicone oil. According to the outdoor glass cement with excellent weather resistance and the preparation method thereof provided by the invention, the cerium dioxide immobilized hindered phenol anti-aging agent is added into the glass cement, and hindered phenol is immobilized by cerium dioxide to form a synergistic anti-aging effect; branched polyether modified silicone oil is also added into the glass cement to serve as a dispersing agent, so that the problem of agglomeration or poor dispersity caused by interface incompatibility between the filler and the matrix silicone rubber is solved.

The invention belongs to the technical field of flame-retardant materials, and particularly relates to an aluminum hypophosphite flame retardant with a spheroidic pine-cone-shaped laminated structure and a preparation method and application thereof.The flame retardant is an inorganic phosphorus halogen-free flame retardant, the microstructure of the aluminum hypophosphite flame retardant is of the spheroidic pine-cone-shaped laminated structure, a single particle is formed by stacking a plurality of sheet layers in a staggered mode, and the sheet layers are stacked in a staggered mode. Forming a regular sphere-like outer contour; the thermal decomposition temperature of the aluminum hypophosphite flame retardant is higher than 330 DEG C, the particle size distribution meets the conditions that the particle size D10 ranges from 8 micrometers to 15 micrometers, the particle size D50 ranges from 25 micrometers to 40 micrometers, the particle size D90 ranges from 60 micrometers to 80 micrometers, the particle size D97 ranges from 80 micrometers to 100 micrometers, and the specific surface area ranges from 1.2 m / g to 3.5 m / g. According to the present invention, the continuous stacking preparation process of primary crystallization in the crystallization kettle, dissolution in the dissolution kettle and crystal growth in the precipitation kettle is adopted, the parameters in the preparation process are controllable, no auxiliary agent is added, the method is suitable for industrial mass production, and the flame retardant can be applied to engineering plastics, and can achieve efficient flame retardation and good mechanical properties.

The application belongs to the technical field of ink, and particularly relates to a preparation method of high-adhesion conductive ink based on a network, which comprises the following steps: adding a dispersing agent, a defoaming agent, a pigment and water-based polyurethane into water, fully stirring to form a mixed solution; adding a conductive material and a fibrous filler into the mixed solution, rapidly stirring for 20-30 min, then adding a leveling agent and an anti-settling agent, and constant-temperature stirring to obtain the high-adhesion conductive ink. The application solves the problems of viscosity limitation and agglomeration of existing conductive fillers, utilizes the porous structure of polyvinyl alcohol polycondensate and the conductive modified fibrous filler to form a multi-dimensional network of porous conductive particles and conductive fibers, greatly improves the conductive network, and cooperates with the high adhesion of polydopamine and the high activity of polyurethane, so that the adhesion of the ink is effectively improved.

The present application relates to the technical field of agricultural and sideline products processing, and the present application relates to a rolling and kneading machine for sauce beef production, which comprises an outer support, a turnover mechanism arranged on the outer support, a rotary rolling and kneading mechanism arranged on the turnover mechanism, and a reciprocating gathering mechanism connected to the rotary rolling and kneading mechanism; the present application adjusts the osmotic pressure during processing through reciprocation, increases the mass transfer efficiency, and improves the efficiency of rolling and kneading curing; after rolling and kneading is completed, the reciprocating push plate can clean and scrape the rotary shell and the spiral scraper, assist in discharging, and at the same time, residual materials are accumulated in the port area of the rotary shell, so that the space that needs to be cleaned is effectively reduced, and the overall efficiency of the equipment cleaning link is significantly improved; through intermittent powder addition, the problem of agglomeration caused by concentrated addition of a large amount of powder is avoided, so that the powder added at a time can obtain sufficient diffusion space in the dynamic environment of continuous rolling and kneading, the dispersed beef pieces are quickly captured and fully kneaded and dispersed, and finally the risk of powder caking is significantly reduced.

The application discloses a preparation method of silicon nitride nano-powder, relates to the technical field of inorganic non-metallic nano-material preparation, and is characterized by a direct nitriding reaction link of silicon vapor and nitrogen plasma. The method uses high-purity silicon vapor prepared by an existing process as raw material, introduces the high-purity silicon vapor into a nitrogen plasma reaction area, and under specific process conditions, the silicon vapor and the nitrogen plasma rapidly generate a nitriding reaction to form a silicon nitride nano-particle precursor. After condensation, collection and simple subsequent treatment, high-purity silicon nitride nano-powder is obtained. The core reaction link of the application does not need to prepare a solid silicon powder intermediate, has high reaction efficiency, high product purity and good dispersity, solves the problems of easy agglomeration and high impurity content of silicon nitride powder in the prior art, and the product can be applied to high-end fields such as high-temperature structural ceramics and semiconductor packaging.

This invention relates to the field of batteries, specifically to a lithium battery structure and its application. The lithium battery structure includes: a housing and encapsulated within the housing, a positive electrode strip, a negative electrode strip, a first positive electrode winding / unwinding mechanism, a second positive electrode winding / unwinding mechanism, a first negative electrode winding / unwinding mechanism, a second negative electrode winding / unwinding mechanism, and an ion-conducting medium; the two ends of the positive electrode strip are respectively wound around the first positive electrode winding / unwinding mechanism and the second positive electrode winding / unwinding mechanism; the two ends of the negative electrode strip are respectively wound around the first negative electrode winding / unwinding mechanism and the second negative electrode winding / unwinding mechanism; the ion-conducting medium is disposed in the junction area; the positive and negative electrode strips sandwich the ion-conducting medium. This invention proposes an innovative paradigm at the core structural level of the battery cell, achieving a breakthrough in the inherent safety of lithium-ion batteries without sacrificing energy density, and laying a solid structural foundation for the development of next-generation ultra-high energy density and high-safety battery systems.

The invention discloses a preparation method of a eucalyptus cellulose carbon-loaded monatomic Ir catalyst, which comprises the following steps: by taking delignified eucalyptus cellulose as a raw material, pyrolyzing in an inert atmosphere at 600-900 DEG C to prepare a carrier material, and then loading metal Ir on the carrier material to prepare the carbon-loaded monatomic catalyst IrSACs / C; the catalyst is applied to hydrodeoxygenation reaction of aldehyde compounds or ketone compounds, and has the characteristics of mild reaction conditions, high selectivity and excellent cycle stability. Compared with the prior art, the catalyst prepared by the method provided by the invention has the characteristics of high specific surface area and low Ir loading capacity, and the Ir can realize atomic-scale dispersion on the carrier; the catalyst is wide in raw material source and simple in preparation method, and a new way is provided for simple synthesis of an efficient monatomic catalyst for biomass hydrodeoxygenation under mild conditions.

The invention provides a multifunctional film for intelligent wearing and a preparation method thereof, and relates to the technical field of intelligent wearing materials. According to the multifunctional thin film for intelligent wearing and the preparation method of the multifunctional thin film, the thin film is formed by alternately overlapping the graphene carbon nanotube layers and the nano-silver layers, the thin film has toughness after hot pressing treatment, and the sheet resistance is smaller than or equal to 25 ohms; the graphene carbon nanotube layer is formed by electrostatic spinning of a graphene carbon nanotube composite dispersion liquid, and the nano-silver layer is formed by electrostatic spinning of a spinning solution containing silver nitrate; the graphene carbon nanotube composite dispersion liquid is prepared from the following raw materials: an NMP (N-Methyl Pyrrolidone) solution of polyvinylpyrrolidone (K30), single-layer graphene powder and few-walled carbon nanotube powder; the silver nitrate-containing spinning solution is prepared from the following raw materials: an NMP (N-Methyl Pyrrolidone) solution of polyvinylpyrrolidone (K30) and a silver nitrate solid. And by adopting the electrostatic spinning and hot pressing processes, the film has the functions of sterilization, infrared physiotherapy and heating, is washable and rubbed, is low in cost and is suitable for large-scale production.