843 results about "Conductive coating" patented technology

Provided herein are methods of performing multiplex detection of ligand binding kinetics. In some embodiments, the methods include contacting ligands with an array of nucleic acid barcoded oscillators disposed on a first surface of a substrate that comprises an electrically conductive coating, applying an AC electric field to the substrate sufficient to induce the nucleic acid barcoded oscillators to oscillate proximal to the first surface of the substrate, and detecting changes in oscillation amplitudes of the nucleic acid barcoded oscillators over a duration to produce sets of ligand binding data. In some embodiments, the methods also include contacting barcode decoding nucleic acids with the array of nucleic acid barcoded oscillators applying an AC electric field to the substrate sufficient to induce the nucleic acid barcoded oscillators to oscillate proximal to the first surface of the substrate, and detecting changes in oscillation amplitudes of the nucleic acid barcoded oscillators over a duration to produce sets of barcode decoding data.

The invention relates to a magnetron sputtering system and a coating method thereof, the system comprises a pair of twin silicon target material and aluminum target material which are arranged in a coating chamber, the aluminum target material is located in the middle of a horizontal line where the twin silicon target material is located, the twin silicon target material is electrically connected with a medium-frequency power supply, and the aluminum target material is electrically connected with a direct-current power supply. According to the structural design, on one hand, the uniform deposition range can be expanded, the deposition difference of wide workpieces can be reduced, and the whole surface insulation consistency can be ensured, and on the other hand, the aluminum target realizes uniform doping of the aluminum element and stable control of the content, so that the toughness and binding force of the coating are improved, the influence on insulation is avoided, and the comprehensive performance of the non-conductive coating is remarkably improved.

The invention relates to the field of electromagnetic functional composite materials, and particularly discloses a multi-layer composite structure flexible frequency selective surface material and a preparation method thereof. The ultra-high molecular weight polymer fiber-reinforced polymer-based composite material thin-film mechanical enhanced band-pass frequency selection array sequentially comprises an acrylic acid polyvinylidene fluoride organic polymer coating environment-resistant layer, a metal oxide organic film isolation layer, an ultra-high molecular weight polymer fiber-reinforced polymer-based composite material thin-film mechanical enhanced layer, a band-pass frequency selection layer and a packaging protection layer from top to bottom, and the band-pass frequency selection layer is a hexagonal / circular ring nested band-pass frequency selection pattern array. The packaging protection layer is formed by printing a conductive coating composed of conductive filler / polymer resin matrix, and the packaging protection layer is an ink coating. The flexible frequency selective surface material has the characteristics of light weight, high strength, salt fog / rain / ultraviolet and other severe environments, frequency selective wave transmission and multiple functions, has good gas barrier property, is beneficial to maintaining the shape of an inflatable hangar made of a skin and ensuring normal operation of radar equipment, and has good practical engineering application value.

The application discloses a kind of carbon nanotube / polyaniline composite modified epoxy resin conductive paint and preparation method thereof, belong to coating technical field.The application is prepared by preliminary disentangling carbon nanotube with specific solvent, and the carbon nanotube dispersion liquid uniformly dispersed is obtained;Afterwards, polyaniline is added to carbon nanotube dispersion liquid, and carbon nanotube / polyaniline composite is prepared by solvent evaporation or purification;Finally, carbon nanotube / polyaniline composite is compounded with epoxy resin, and high-performance carbon nanotube / polyaniline composite modified epoxy resin conductive paint is obtained.The carbon nanotube / polyaniline composite modified epoxy resin conductive paint prepared by the application has more excellent mechanical properties and electrical properties than traditional conductive paint, and can be better applied in aerospace, battery, communication, new energy and other aspects.

A composite structure for a pressure sensor, a pressure sensor, a method of pressure sensing using the pressure sensor, and a method of fabricating a composite structure for a pressure sensor. The method of fabricating a composite structure for a pressure sensor comprises the steps of forming an array of microstructures made from an elastomeric material; and forming a flexible conductive coating on the array of microstructures such that a surface morphology of microstructures is substantially maintained for the coated array of the microstructures; wherein the conductive coating exhibits a Young's modulus that is higher than that of the elastomeric material.

The invention relates to the technical field of batteries, and particularly discloses a current collector, a method for preparing the current collector, a pole piece, a lithium ion battery and a power utilization device.The current collector comprises a base material and a conductive coating arranged on at least one side of the base material, and physical crosslinking points are evenly distributed in the conductive coating; the physical cross-linking points are non-covalent bond connecting points and comprise coordinate bonds between the binder and metal ions and / or hydrogen bonds between the binder and the polyhydroxy compound. The physical cross-linking points can effectively improve the adaptability of the conductive coating to the expansion and shrinkage stress of the active material layer in the long-term circulation process, the physical cross-linking points can be self-generated again after being damaged, the cross-linking structure improves the adhesion strength of the conductive coating to the current collector, meanwhile, the conductive coating has excellent fatigue resistance, and the service life of the conductive coating is prolonged. After long-term circulation, the high cohesiveness is still kept, and the phenomena of interface separation and active substance powder falling are not prone to occurring.

The invention discloses an electromagnetic shielding method for a high-density integrated wireless audio module, and the method comprises the steps: employing a metal material with good conductivity and corrosion resistance, such as aluminum alloy and copper alloy, to cover the outer surface of the module, and enabling the outer metal shielding layer to be used for isolating external electromagnetic interference; the thickness of the outer metal shielding layer is generally 0.3 mm to 1 mm, it is ensured that external electromagnetic radiation can be effectively reflected or absorbed, and the outer metal shielding layer is located between the outer metal shielding layer and the inner conductive coating and is made of a material with high-frequency absorption performance, such as a ferrite material, a conductive polymer or a carbon-based material. The thickness of the wave-absorbing layer can be designed according to the electromagnetic characteristics of a working frequency band and is generally 0.5 mm to 2 mm, so that high-frequency noise can be effectively attenuated. By adopting a multi-layer shielding structure and an intelligent heat dissipation design, electromagnetic interference is effectively reduced, miniaturization and light weight of the wireless audio module are maintained, and compared with the prior art in which a large number of expensive shielding materials are needed, the wireless audio module has the advantages that the selection of the shielding materials and the intelligent heat dissipation design are optimized.

The invention discloses a preparation method of a 3MDT dimming film and application of the 3MDT dimming film to automobile glass, and relates to the technical field of dimming films. The preparation method of the 3MDT dimming thin film comprises the following steps: uniformly mixing isobornyl acrylate, a cross-linking agent and a photoinitiator, adding a functional filler, stirring and uniformly mixing, adding micromolecular nematic liquid crystal, and stirring to obtain a liquid crystal composite system; injecting the liquid crystal composite system into a liquid crystal box, and performing ultraviolet irradiation to obtain an interlayer film; two PET plastic films serve as substrates, the inner surfaces of the substrates are coated with ITO conductive coatings, the interlayer film is arranged between the two substrates, and the 3MDT dimming film is obtained. The prepared 3MDT dimming film has good heat insulation performance and mechanical performance, the interlayer film of the 3MDT dimming film has excellent hydrophobic performance, and the 3MDT dimming film is suitable for being applied to the aspect of automobile glass.

The invention discloses a high-first-effect fast-charging sodium ion battery hard carbon negative electrode material and a preparation method thereof, and belongs to the technical field of sodium ion batteries. The hard carbon negative electrode material comprises a hard carbon inner core and a conductive coating layer coating the surface of the hard carbon inner core, the hard carbon core is prepared from a carbon source through pre-carbonization and acid pickling treatment, and the carbon source comprises at least one of coconut shells and an epoxy resin carbon material; the conductive coating layer is a composition of glucose, single-layer graphene and water. The high-first-effect fast-charging sodium ion battery hard carbon negative electrode material disclosed by the invention has the advantages of low specific surface area, high first efficiency and high reversible capacity.

The invention provides a skin-core structure moisture power generation yarn, the yarn at least comprises a metal core layer, a wrap yarn layer and a conductive coating, the wrap yarn layer comprises lithium chloride doped polyvinyl alcohol fibers and tightly wraps the periphery of the metal core layer through conjugate electrostatic spinning, and the conductive coating is nano conductive silver paint. And the conductive coating is not in direct contact with the metal core layer. The preparation method comprises the following steps: firstly, adding lithium chloride powder into deionized water, stirring at normal temperature until complete dissolution, then adding polyvinyl alcohol powder, heating and stirring until complete dissolution, standing and defoaming to prepare a wrap yarn layer spinning solution; performing conjugate electrostatic spinning on the prepared skin layer spinning solution to form nanofiber wrap yarn on the outer layer of the metal core; nano conductive silver paint is sprayed on the surface of the wrap yarn layer, and the wrap yarn layer is dried in the air. The yarn has good flexibility, and has excellent surface waterproof and moisture permeable performance, stability and reusability while forming stable output current and voltage.

The invention solves the problem that the mixing uniformity is insufficient when a traditional single stirring assembly rotates unidirectionally to mix conductive coatings, and relates to the technical field of conductive coating mixing, in particular to rapid mixing equipment for electromagnetic shielding conductive coatings, which comprises a mixing tank and a stirrer, and a limiting hanging bracket is mounted on the inner wall of the mixing tank; the end, close to the vertical central axis of the mixing tank, of the limiting hanging bracket is rotationally connected with an outer stirring assembly; the outer stirring assembly comprises a connecting shaft arranged between the outer side of a stirring impeller of the stirrer and the inner wall of the mixing tank, a plurality of stirring blades are mounted on the outer surface of the connecting shaft, an extension plate is formed at the top of the connecting shaft, a rotating shaft of the stirrer is sleeved with a transmission structure, and the transmission structure is used for transmitting rotating power of the stirrer to the connecting shaft; the stirring blades are driven to circumferentially rotate in the direction opposite to the rotating shaft by taking the rotating shaft as the circle center. The material exchange of the conductive coating can be enhanced, and the dead zone of traditional one-way stirring is eliminated.

The invention discloses a low-melting-point glass-based inorganic anticorrosive coating with excellent conductivity and a preparation method of the low-melting-point glass-based inorganic anticorrosive coating. The inorganic anticorrosive conductive coating material comprises 80-99.5 parts of a glass base material and 0.5-20 parts of conductive phase powder dispersed in the glass base material, wherein the conductive phase powder adopts a conductive oxide; the preparation process comprises the following steps: 1) mixing glass base materials; 2) melting into molten glass; 3) crushing and introducing a conductive phase; 4) sintering into blocks; 5) crushing and screening the sample; (6) preparing slurry; (7) paint spraying; and 8) sintering and cooling to obtain the paint. The method is simple in process, low in cost, corrosion-resistant, high-temperature-resistant and good in conductivity; after the conductive phase is added, the surface resistivity of the coating is reduced to 102-109 ohms, and the minimum value of the surface resistivity is far higher than that of an existing system.

The invention relates to a method for curing an electrically assisted carbon fiber reinforced thermosetting composite material, which comprises the following steps: uniformly spraying a carbon nanotube dispersion liquid on the surface of a carbon fiber prepreg so as to form a conductive coating on the surface of the carbon fiber prepreg; laying the carbon fiber prepreg with the conductive coating on the surface according to the designed laying angle and number to prepare a sample; pressure is applied to the top surface and the bottom surface of the sample in a vacuumized low-pressure environment, then the top surface and the bottom surface of the sample are heated and softened, direct current is applied to the top surface and the bottom surface of the sample while the sample is softened, and carbon nanotubes of a conductive coating in the sample are induced to conduct electricity to generate Joule heat; and curing to obtain the cured electrically-assisted carbon fiber reinforced thermosetting composite material. The invention further provides a device based on the method. According to the method, energy consumption is reduced, and meanwhile the composite material has good curing uniformity and mechanical property.

The invention discloses a preparation method of a multifunctional textile-based sports sweat monitoring intelligent hair band, and relates to the technical field of intelligent wearing. According to the hair band, water-absorbing textile fibers are adopted as a sweat collecting part, the surface of the sweat collecting part is coated with a conductive material to form a flexible electrode sensing layer, and meanwhile, a selective recognition material is modified to detect sweat components such as glucose, the pH value, Na < + > and K < + >. In addition, the textile-based temperature sensor is prepared based on a conductive filament or conductive coating composite technology. The hair band integrates the sweat sensor, the temperature sensor and the inertial sensor, can monitor the movement distance, the stride frequency, the step speed, the step number and the calorie consumption, fixes the inertial sensor in a bonding mode through liquid silica gel, and enables a collector to be close to the forehead through the combination of a hook-and-loop fastener and a hair band base body. Through material innovation, process optimization and system integration, unification of comfort, functionality and economical efficiency is achieved, and an efficient and universal technical scheme is provided for development of intelligent sports wearable equipment.

The invention discloses a UV-curable conductive polyurethane acrylate coating and a preparation method thereof, and relates to the technical field of photocureable coatings. The invention relates to a UV curing conductive polyurethane acrylate coating, which comprises a light-cured resin, a polyaniline coated carbon nanotube, a reactive diluent, a photoinitiator, an organosilicon leveling agent and a defoaming agent, the light-cured resin is prepared by mixing a polyurethane prepolymer, an epoxy acrylate resin and dihydroxy acrylate, and the polyurethane prepolymer is prepared by mixing the polyurethane prepolymer, the epoxy acrylate resin and the dihydroxy acrylate. The polyaniline coated carbon nano tube is formed by coating and modifying a carbon nano tube by aniline and a doping agent. By adopting the scheme, not only can the conductivity of the coating be improved through the polyaniline coated carbon nanotubes, but also the light-cured resin and the polyaniline coated carbon nanotubes can form a three-dimensional network structure of a conductive filler / resin base material, so that the mechanical property of the coating can be improved; further, the preparation of the UV curing conductive coating with high conductivity and mechanical property is facilitated.

The invention discloses a static conductive polysiloxane coating and a preparation method and a static conductive coating thereof.The static conductive polysiloxane coating comprises a component A and a component B. The mass ratio of the component A to the component B is 9: 1-5: 1, and the component A comprises, by mass, 45-60 parts of epoxy polysiloxane resin, 0.5-5 parts of epoxy silane modified carbon nanotubes, 1.5-4 parts of auxiliaries, 20-35 parts of filler and 10-18 parts of solvent; and the component B is an amino silane coupling agent. According to the static conductive polysiloxane coating disclosed by the invention, the carbon nano tube is modified, so that the carbon nano tube is chemically grafted with epoxy silane to form a chemical bonding network, the dispersion stability of an inorganic filler is improved, the interface bonding force between the filler and resin is also enhanced, and a conductive network which is uniformly distributed can be formed; therefore, the antistatic capability and the protection performance of the coating are improved.

The invention discloses a high-thermal-conductivity insulating aluminum substrate and a preparation method thereof, and belongs to the technical field of insulating materials. The high-thermal-conductivity insulating aluminum substrate comprises an aluminum substrate and a thermal conductive coating uniformly coated on the surface of the aluminum substrate; the preparation method of the heat-conducting coating comprises the following steps: adding the modified boron nitride into the epoxy resin, uniformly mixing, adding the epoxy curing agent, the flatting agent, the anti-settling agent, the defoaming agent and the acetone, and uniformly mixing and stirring to obtain the heat-conducting coating. The modified boron nitride is added into the heat-conducting coating, so that the flexibility and corrosion resistance of the heat-conducting coating are remarkably improved, the service life of the heat-conducting coating is prolonged, and the aluminum substrate is well protected.

The invention relates to the technical field of detection devices, in particular to a conductive coating performance detection device based on different coating thicknesses, which comprises a detection box, a circulating detection mechanism is movably mounted in the detection box, and a coating spraying mechanism for controlling the coating thickness is arranged at the upper end of the detection box. The lower end of the detection box is provided with infrared detection equipment used for detecting the conductivity of the coating, and the paint spraying mechanism comprises a rectangular cover plate detachably installed at the upper end of the detection box. Through meshing transmission of the gear assembly and the driving support, a uniform or thickness-adjustable coating can be formed on the detection platform, the moving speed of the coating spraying tank can be accurately controlled by adjusting the rotating speed of the gear assembly, then the coating thickness is flexibly adjusted, a thick coating is sprayed at a low speed, a thin coating is sprayed at a high speed, the spraying efficiency is improved, and the labor intensity of workers is reduced. And the consistency and repeatability of coatings with different thicknesses are ensured, the method is suitable for multi-batch contrast experiments, and the accuracy and efficiency of performance detection of the conductive coating are remarkably improved.

The invention provides a high-temperature-resistant primer for aviation. The high-temperature-resistant primer is prepared from the following raw materials in parts by mass: 100 parts of modified organic silicon resin, 9-12 parts of an anti-rust pigment, 29-35 parts of pigment filler, 3-5 parts of a flame retardant, 0.5-1 part of a dispersing agent, 2-4 parts of an anti-settling agent, 0.1-0.3 part of a defoaming agent, 15-18 parts of a mixed solvent and 0-7 parts of a curing agent, the high-temperature-resistant primer for aviation is air-drying paint and can be cured at normal temperature, a curing agent can also be selectively added into an epoxy modified organic silicon resin system, and the high-temperature-resistant primer can resist the high temperature of 300 DEG C for a long time, has excellent adhesive force and excellent temperature impact resistance, salt mist resistance and oil product resistance, and can be used as a high-temperature-resistant primer for aviation. After the coating is applied to the aircraft skin, excellent adhesion with a base material can be ensured, cracking caused by stress change is avoided, and the coating has good compatibility with functional coatings such as a conductive coating, a wave-absorbing coating and an infrared coating.

A redistribution layer for an integrated circuit includes a conductive body in electrical contact with an interconnection layer. The conductive body has a lateral surface and a top surface. A conductive coating layer made of a material that is Palladium or includes Palladium uniformly covers the lateral surface and the top surface of said conductive body and is absent laterally to the conductive body.

A method for forming a coating on a substrate formed from zinc sulfide (ZnS) is provided. A ZnS film is grown on the substrate with a radio frequency sputtering process and metal dopants are sputtered on the substrate with a high-power impulse magnetron sputtering process. The metal dopants can be molybdenum or tungsten and simultaneously sputtered while growing the ZnS film. The sputtering ionizes the coating where the coating has a sheet resistance that is less than 50 ohm / square and the metal dopants form n-type dopants in the ZnS film. The metal dopants can be formed at a concentration that varies with a thickness of the ZnS film. At a first thickness, the concentration is at a first concentration and at a second thickness greater than the first thickness, the concentration is at a second concentration less than the first concentration.

A lithium replenishment composite material and its preparation method, as well as a positive electrode plate, a separator, a secondary battery, and an electrical device. The composite material includes a core and a coating layer containing a conductive material, which at least partially covers the core. The core comprises a lithium replenishment agent and a metal catalyst, wherein the lithium replenishment agent includes an organic lithium compound. During an initial charging cycle, the organic lithium compound releases lithium ions to replenish lithium in the negative electrode, while its byproducts decompose into gases that are expelled from the battery, thereby minimizing impact on mass energy density and long-term performance. The metal catalyst lowers the decomposition potential of the lithium agent, allowing lithium replenishment at lower voltage while protecting the positive electrode and electrolyte. The conductive coating suppresses metal dissolution, enhances conductivity, and improves the cycling performance of the battery.

The invention discloses an energy-saving high-safety cabin air conditioner for inflammable and explosive materials, and relates to the technical field of air conditioning, the energy-saving high-safety cabin air conditioner comprises a primary treatment assembly, a secondary treatment assembly and a PLC, and the outer surface of the secondary treatment assembly is provided with a static elimination assembly and a rotating assembly. When the electrostatic eliminator is used, air with static electricity is discharged into the annular waved plate through the inclined pipe, flows along the inner wall of the waved plate, and interacts with ions generated by the electrostatic eliminator under the guidance of the conical air inducing cover to eliminate the static electricity. And the static-eliminated air passes through the air inlet holes and flows along the inner walls of the first conductive coating plate and the second conductive coating plate. The first conductive coating plate and the second conductive coating plate can eliminate static electricity left in the air, so that the effect of eliminating the static electricity in the air is achieved, the PLC adjusts the power of the static electricity eliminator according to the detection condition of the static electricity sensor, and energy is saved.

The invention relates to the technical field of conductive coatings, and discloses a weather-resistant bio-based conductive coating based on water-based palm wax / shellac and a preparation method thereof, the weather-resistant bio-based conductive coating comprises the following raw materials by mass: 20-30 parts of a natural palm wax nano emulsion, 70-80 parts of a shellac ethanol solution, 1-3 parts of Tween 80, and 30-80 parts of a silver coated copper powder / carbon nanofiber composite material. According to the scheme, the super-hydrophobic barrier is constructed by introducing the water-based palm wax, the moisture absorption rate is reduced, electrochemical corrosion and stress stripping are effectively reduced, and the service life of a base material is prolonged. Meanwhile, lac is added in the scheme, a three-dimensional network structure is formed through crosslinking of the water-based palm wax emulsion and biomass hydroxyl, and the flexibility and moisture resistance of the coating are effectively improved. Specifically, according to the scheme, the water-based palm wax and the shellac are combined and used, so that the weather resistance of the coating is effectively improved, for example, the moisture absorption rate of the coating is reduced to 12% (ASTMD570 standard), and the flexibility of the coating is improved (the elongation at break gt; 50%), the moisture resistance is improved by 3 times (the water vapor permeability lt; 10 g / m < 2 >. Day).

The present disclosure provides a system and a method to deliver (irradiate) energy and defrost the surface of a glazing that does not require printed conductors, embedded wires, bus bar or conductive film. The present disclosure uses the optical phenomenon known as Frustrated Total Internal Reflection (FTIR) to deliver light energy directly to a surface of at least one glass layer of a windshield, glazing or other transparent substrate by means of high intensity light. The light is injected into the surface of at least one glass layer of the glazing at an angle that allows for light propagation via Total Internal Reflection (TIR). The light energy can be used as the sole source of energy or be complementary to a conductive coated resistive heated circuit and / or hot air blowing system.

The invention relates to the field of sulfide solid-state batteries, and discloses a preparation method of a mixed conducting layer coated sulfide electrolyte and application of the mixed conducting layer coated sulfide electrolyte to an all-solid-state lithium-sulfur battery positive electrode. And carrying out ball milling on the obtained mixed material by using a planetary ball mill according to specific parameters, so as to obtain the sulfide electrolyte with the mixed conductive coating layer. The mixed conductive coating layer can be used as a solid-state lithium-sulfur battery positive electrode conductive additive; contact between the carbon material and the internal electrolyte can be limited, and decomposition of the internal electrolyte is prevented; the Young modulus is lower, so that all the components are in better contact; when being applied to a composite positive electrode of a solid-state lithium-sulfur battery, the composite positive electrode can generate oxidation-reduction activity in a battery charging and discharging process, so that the capacity of the battery is improved; on the basis of the four points, the composite positive electrode electrolyte is favorably inhibited from being decomposed, the interface contact of the solid-state battery is favorably improved, and the capacity of the battery is favorably improved.

The invention relates to the technical field of battery electrodes, and discloses an integrated electrode and a preparation method thereof. The method comprises the following steps: pre-oxidizing, carbonizing and cutting a fiber precursor to obtain carbonized fiber; activating the carbonized fibers to obtain porous fibers; combining the porous cellosilk with an energy storage battery electrode active material through a vapor deposition reaction to obtain active cellosilk; and coating the active fibers with a conductive and / or ion-conductive coating material to obtain the integrated electrode. Through the synergistic effect of the porous carbon skeleton structure design, the vapor deposition active substance and the surface coating, the problem that an active material is easy to separate from a current collector in the charging and discharging process of a traditional electrode is solved, the electrode manufacturing process is simplified, and the prepared self-supporting integrated electrode has high specific capacity, excellent cycling stability and rate capability and is suitable for large-scale popularization and application. The material can be applied to energy storage equipment such as lithium ion batteries, sodium ion batteries, lithium-sulfur batteries, solid-state batteries and the like.

The invention provides a bifunctional interface lithium-rich manganese-based positive electrode material as well as a preparation method and application thereof, and belongs to the technical field of lithium ion battery positive electrode materials. The bifunctional interface lithium-rich manganese-based positive electrode material comprises a lithium-rich manganese-based layered oxide core particle, an inner negative thermal expansion inorganic layer coating the surface of the lithium-rich manganese-based layered oxide core particle, and an outer fast lithium ion conducting layer coating the outer side of the inner negative thermal expansion inorganic layer. Through the synergistic effect of inner and outer coating layers, mechanical regulation and control and chemical / ion regulation and control are simultaneously realized on the particle size. Compared with a scheme which only adopts an inert coating, a single lithium ion conductive coating or a single negative thermal expansion coating, the method has the advantages that the thermal-chemical-mechanical coupling failure problem of a positive electrode / solid electrolyte interface in the all-solid-state battery can be more comprehensively solved, relatively low interface impedance, smaller voltage attenuation and higher cycling stability are realized, the preparation process is simple, and the preparation cost is low. The method is suitable for large-scale production.

The invention provides a lithium supplement functional diaphragm, a lithium ion battery and a preparation method of the lithium ion battery, and relates to the technical field of lithium ion batteries. The lithium-supplementing functional diaphragm comprises a diaphragm base material and a lithium-supplementing agent functional layer coated on at least one surface of the diaphragm base material, wherein the lithium-supplementing agent functional layer comprises a lithium-supplementing agent, a conductive coating layer and a binder; wherein the conductive coating layer coats the outer surfaces of the lithium supplement agent particles and is used for improving the electronic conductivity and environmental stability of the lithium supplement agent; and moreover, the lithium supplement agent functional layer is configured to be decomposed when the battery is charged and formed for the first time, and released lithium ions migrate to the negative electrode to compensate irreversible capacity loss. The conductive coating layer can effectively isolate moisture and carbon dioxide in air from being in contact with the core of the lithium supplement agent, so that the environmental stability of the lithium supplement agent is enhanced, and the storage and transportation conditions are simplified. The lithium supplementing agent functional layer fundamentally avoids the failure problem of the lithium supplementing agent in the positive electrode slurry preparation and pole piece storage process, and the feasibility and yield of industrial production are greatly improved.

The invention provides a preparation method of a flexible HZO ferroelectric memristor based on an all-solution method. The preparation method comprises the steps that S1, a mica sheet is used as a flexible substrate layer after being cleaned; s2, mixing a graphene conductive coating and ethanol according to a mass ratio of 1: 1000, stirring, carrying out ultrasonic treatment, layering graphene to obtain a mixture, uniformly dispensing the obtained mixture on the upper surface of the flexible substrate layer prepared in the S1, and heating and curing to prepare a bottom electrode layer; s3, mixing and stirring HfCl4 powder, ZrCl4 powder, an ethanol solution and deionized water according to a weight ratio of 1: 1: 10: 5, and performing ultrasonic treatment to obtain an HZO precursor solution; spin-coating the HZO precursor solution on the upper surface of the bottom electrode layer, and performing high-temperature annealing to form a nerve bionic layer; and S4, uniformly coating Pt conductive slurry on the upper surface of the nerve bionic layer prepared in the S3, and heating and curing to form the top electrode. The method effectively overcomes the problems of film forming difficulty and ferroelectric crystal structure regulation and control in the prior art, and has the advantages of simplicity, convenience and low cost.