356 results about "Sheet structure" patented technology

The application discloses a kind of high-performance coiled material powder coating and preparation method thereof, belong to powder coating technical field, the application is by the compounding of organosilicon modified epoxy resin and carboxyl-terminated polyester resin, after organosilicon modification, the segment of introduction-Si-O-Si in system has high flexibility, and synergistic effect with nano calcium carbonate, it is helpful to balance the adhesion and flexibility of coating, grafting modification graphene oxide, active chromium oxide is added again, can obviously improve the mechanical strength of coating;After then, phosphite group is grafted onto graphene oxide, and is applied in the present powder coating system, can form three-dimensional network structure in system, chemical bond effect, not only can improve its crosslinking stability in system, and the sheet structure of graphene oxide, also can play certain barrier property, can also give coating longer weather resistance, and active chromium oxide synergistic effect is further improved, and the weather resistance and corrosion resistance of coating.

The invention discloses a novel insulating silicone rubber packaging material with a self-fusion characteristic, high voltage resistance and weather resistance. The material is prepared from raw methyl vinyl silicone rubber, fumed silica as a reinforcing filler, modified vinyl MQ silicone resin as a tackifier, hydroxyl silicone oil as a structure control agent, modified aluminum hydroxide and the like as raw materials, has a self-fusion characteristic, can be autonomously bonded to form a seamless insulating layer through contact pressing of two lap joint surfaces, and has the initial peel strength of 3.5 N / mm and the tensile strength of 95N / mm. The secondary fusion strength retention rate exceeds 90%; the power frequency withstand voltage under the thickness of 2mm is greater than or equal to 45kV, the power frequency withstand voltage under the thickness of 4mm reaches 66kV, and the volume resistivity is gt; and 1 * 10 < 12 > omega.m, which is improved by more than 50% compared with the traditional material. The product gives consideration to both mechanical performance and weather resistance, the thick wing-shaped sheet structure is adaptive to special-shaped equipment and can be installed in an electrified mode, and an innovative insulation protection scheme can be provided for power transmission and transformation equipment.

The utility model relates to a glass clamp with a gasket, which comprises a base, a U-shaped accommodating groove formed on the base, and a gasket arranged in the accommodating groove, a first part and a second part which are oppositely arranged are arranged on two sides of the accommodating groove; the gasket is installed in the containing groove and is of a U-shaped sheet-shaped structure, and a clamping groove capable of clamping glass is formed between the gasket and the containing groove; a third part and a fourth part which are oppositely arranged are arranged on the two sides of the clamping groove; the first magnetic attraction assembly is located between the first part and the third part and can magnetically attract the third part of the gasket to the first part; the second magnetic attraction assembly is located between the second part and the fourth part and can magnetically attract the fourth part of the gasket to the second part.

The invention discloses functionalized graphene for removing tritium from radioactive waste liquid and a preparation method and application of a graphene film, the functionalized graphene is a flaky substance formed by stacking lamellar structures, and the distance between the stacked lamellar structures is 7.5-8.7. The preparation method comprises the following steps: preparing graphene oxide powder; performing sulfonation on the graphene oxide powder to obtain sulfonated graphene aerogel; performing carboxylation on the graphene oxide powder to obtain carboxylated graphene; and mixing and stirring the sulfonated graphene aerogel and carboxylated graphene to obtain the functionalized graphene. The tritium in the tritium-containing liquid is separated by utilizing the membrane formed by the functionalized graphene, and the tritium removal technology has the advantages of mild reaction conditions, low energy consumption, easiness in large-scale production and the like.

The invention discloses a method for synthesizing a nanosheet NaY molecular sieve. The method comprises the following steps: 1) mixing and stirring a water glass solution and a high-alkali sodium metaaluminate solution through high-speed shearing, standing and aging to obtain a Y-type molecular sieve structure-directing agent; 2) mixing, stirring and premixing the water glass solution, the Y-type molecular sieve structure directing agent, the aluminum sulfate solution and the low-alkali sodium metaaluminate solution through high-speed shearing to obtain initial reaction gel; and 3) crystallizing, filtering, washing and drying the obtained reaction initial gel to obtain the Y-type molecular sieve. According to the method, materials are efficiently dispersed and mixed through high-speed shearing force under the condition of no template agent, the mixing uniformity and reaction efficiency of the materials are remarkably improved, the aging time of the guiding agent is shortened, and the method is suitable for industrial continuous production. The obtained nano NaY molecular sieve is of a sheet structure, the particle size is smaller than or equal to 550 nm, the specific surface area is larger than or equal to 715 m / g, the crystallinity is 94-102%, and the nano NaY molecular sieve has an excellent pore channel structure and diffusion performance.

The utility model discloses an improved socket copper sheet structure, which comprises an extension piece, two ends of the extension piece are respectively provided with a linear contact part, one side end part of the linear contact part is folded and bent towards the inner side wall to form a crank arm part, one end of the crank arm part is connected with an elastic clamping sheet, and a pin clamping channel is formed between the elastic clamping sheet and the side wall of the corresponding linear contact part. The inner side walls of the elastic clamping pieces are arc-shaped clamping faces, the lower portions of the elastic clamping pieces extend downwards in an inclined mode to form receding sections, and anti-interference gaps are formed between the receding sections and the plug pins. The utility model aims to provide a pin clamping channel formed by an elastic clamping sheet and a linear contact part, and a traditional straight contact surface is improved into a clamping structure in which an arc-shaped clamping surface is matched with a linear surface. The problem that traditional large-area straight contact is poor in adaptability to deflection of the pins is solved, meanwhile, stamping burrs are isolated in a non-contact area through an anti-interference gap formed by the anti-interference gap and the avoiding section, and the phenomenon that the burrs scratch the surfaces of the pins and the abnormal temperature rise phenomenon of the contact surfaces is avoided fundamentally.

The utility model provides a multi-segment splicing bending test loading device for shield tunnel lining segments, and belongs to the field of lining segment tests. The device comprises a door-shaped support and a to-be-detected segment unit, the to-be-detected segment unit is of an arc sheet structure formed by splicing a plurality of to-be-detected segments, the to-be-detected segment unit is arranged below the door-shaped support, and supporting plates abutting against the ends of the to-be-detected segment unit are arranged on the two sides of the bottom of the door-shaped support respectively. The two supporting plates are obliquely arranged towards the to-be-tested segment unit, a pressure loading mechanism is arranged on a top cross beam of the door-shaped support, and the pressure loading mechanism is configured to move towards the outer cambered surface of the to-be-tested segment unit. By adopting the multi-segment assembly bending test loading device for the shield tunnel lining segments, provided by the embodiment of the utility model, the problem that the accuracy of a test result is relatively low in the prior art can be solved.

Provided is a sheet structure wherein a decorative effect of an outer surface of the sheet structure can be improved and a lid body is easily recognizable by a user. This sheet structure (1) has a sheet layered body in which a plurality of sheets are layered, and a packaging body (20) in which the sheet layered body is packaged. The packaging body has a packaging sheet (21) that has an opening (7), and a lid body (22) that covers the opening in a freely openable / closeable manner. The sheet layered body has an upper surface (15) where the lid body is positioned, a lower surface (16) opposite from the upper surface, and a side surface that is positioned between the upper surface and the lower surface and extends in the height direction. The packaging sheet is provided with a toy design section (80) that extends across the upper surface and the side surface and is for use as a toy. An outer edge section (29) along an outer edge of an outer surface of the lid body has a single-color region (RC) to which a single color has been applied, said color differing from that of an adjacent region (28) that is adjacent to the outer edge of the lid body and is in the packaging sheet. The single-color region is provided in a range that is 50% or more of the entire outer edge section.

This invention discloses the application of a positive electrode additive, a positive electrode active material, a positive electrode sheet, a solid-state battery and its preparation method, and an electrical device, relating to the field of solid-state battery technology. The positive electrode additive comprises a conductive layered substrate and alkali metal ions. The conductive layered substrate has a multi-layered sheet structure, each sheet structure comprising a polymer chain. Every two adjacent sheet structures are connected by a polyoxometalate crosslinking agent, and alkali metal ions are at least doped between adjacent sheet structures. Using this positive electrode additive to prepare the positive electrode active material improves the specific capacity of the positive electrode and the overall battery, solving the problems of difficulty in conducting electrons and ions in the positive electrode of solid-state batteries, as well as the high additive content. Furthermore, the positive electrode additive has a layered structure and easy slippage characteristics, reducing the contact resistance between the positive electrode active material and the additive, and enabling close adhesion between the positive electrode material and the electrolyte under relatively low external pressure.

The application discloses an optoelectronic device, a preparation method thereof and a display device. The optoelectronic device comprises a first electrode, a photoelectric functional layer, a carrier functional layer and a second electrode which are stacked in sequence, wherein the carrier functional layer comprises inorganic nanoparticles, the inorganic nanoparticles have a sheet structure, and the average sheet diameter of the sheet structure is greater than or equal to 50 nm. The optoelectronic device has high light emitting efficiency.

The utility model discloses a detachable assembly type infrared heating cage which comprises a movable base, a plurality of heating sheet assemblies are connected to the movable base, each heating sheet assembly comprises a frame base body, and a plurality of heating strips arranged in parallel are fixedly installed on the surface of each frame base body. The plurality of heating sheet assemblies are sequentially and detachably connected end to end through the corner connectors to form a sheet-shaped structure, the corner connectors are provided with first fixing holes and second fixing holes, and the first fixing holes and the second fixing holes are respectively used for connecting the frame base bodies of the two adjacent heating sheet assemblies. According to the utility model, the plurality of heating sheet assemblies are detachably connected through the corner connectors, so that the shape and the size of the infrared heating cage are changed, and the applicability of different products in different vacuum chambers is improved.

This invention relates to the field of aluminum alloy technology, specifically to a manufacturing process for a heat-resistant aluminum alloy. The aluminum alloy comprises the following raw materials: copper, silicon, magnesium, zinc, manganese, nickel, titanium, lithium, aluminum, and a heat-resistant filler. Alumina-coated porous silicon carbide nanosheets are prepared as the heat-resistant filler and added during the aluminum alloy manufacturing process. The porous structure of the silicon carbide nanosheets allows for a snap-fit ​​bond with the alumina film, ensuring good stability of the alumina film and preventing easy detachment. The good compatibility between the alumina film and the aluminum alloy matrix ensures a tight bond between the prepared heat-resistant filler and the aluminum alloy matrix, resulting in uniform dispersion within the matrix. The unique sheet-like structure of the heat-resistant filler forms a uniform heat-insulating layer within the aluminum alloy matrix, thus giving the prepared aluminum alloy excellent heat resistance.

The utility model relates to the field of blade lightning protection systems, and particularly discloses a novel blade lightning protection system grounding metal net connecting structure which comprises a main metal net laid on the surface of a blade, a grounding structure metal net attached to the main metal net, a grounding structure metal plate arranged on one side of the grounding structure metal net and a lightning arrester. The grounding structure metal plate is of a thin plate structure and comprises a first metal plate body and a second metal plate body, the first metal plate body and the second metal plate body are located on the two sides of the grounding structure metal net respectively, and the first metal plate body and the second metal plate body are oppositely arranged. The lightning arrester sequentially penetrates through the first metal plate, the grounding structure metal net and the second metal plate.

The application discloses a magnesium-neodymium alloy and a preparation method thereof, and relates to the technical field of magnesium alloys.The alloy comprises the following preparation raw materials: magnesium ingot, neodymium, yttrium and modified nickel oxide; the modified nickel oxide comprises the following preparation raw materials: graphene oxide, polyaniline, nickel oxide, silane coupling agent and aluminum.In the application, the modified nickel oxide is prepared from graphene oxide, polyaniline, nickel oxide, silane coupling agent and aluminum; graphene oxide and nickel oxide are both sheet structures; under the action of the silane coupling agent, the sheet structures interact; thus, the stability of the nickel oxide in the magnesium alloy matrix is improved, and the corrosion resistance of the matrix is improved.

The invention provides an epoxy modified cement-based material, the epoxy modified cement-based material comprises an organic phase structure and inorganic crystals, and the inorganic crystals are radially distributed on the surface of the organic phase structure; the organic phase structure is a spherical or sphere-like structure with the diameter of 3-15 microns; the inorganic crystal is of a needle-shaped, rod-shaped or sheet-shaped structure with the length being 0.3-3 microns and the diameter being 0.05-0.5 microns. The epoxy modified cement-based material disclosed by the invention shows good adhesion and dispersion resistance under water or in a humid environment, can realize rapid underwater construction, and keeps stable performance for a long time under harsh conditions such as a marine environment and a humid environment; the engineering requirements of multiple fields such as building structure repairing, underwater repairing, rapid first-aid repair, ocean protection and road and bridge engineering are met, and the integration of high strength, high toughness, strong interface bonding and long-acting durability is realized.

The utility model relates to the technical field of rotor punching sheets, in particular to a rotor punching sheet structure, which comprises a rotor punching sheet and a stator, the stator is arranged on the outer side of the rotor punching sheet, a plurality of groups of V-shaped magnetic steel grooves are arranged on the rotor punching sheet, four V-shaped magnetic steel groove positions are oppositely arranged on the edge of each V-shaped magnetic steel groove, outer diameter air magnetic isolation grooves are arranged at two ends of each V-shaped magnetic steel groove, and the outer diameter air magnetic isolation grooves are arranged in the outer diameter air magnetic isolation grooves. A plurality of V-shaped magnetic steel grooves are formed in the rotor punching sheet, magnetic steel bodies located at linear groove bodies are placed in the V-shaped magnetic steel grooves, an inner magnetic bridge is arranged between every two adjacent V-shaped magnetic steel grooves, a plurality of outer magnetic bridges located on the outer sides of the V-shaped magnetic steel grooves are arranged on the outer side of the rotor punching sheet, and de-weight holes and V-shaped magnetic steel grooves with large openings in pin hole punching sheets are formed in the rotor punching sheet in an annular array mode. The reluctance torque of the motor can be generated, and the output torque of the motor can be increased; the punching sheet body is provided with the air magnetic isolation grooves, the pole radian coefficient of the magnetic pole can be adjusted, and magnetic leakage of the magnetic steel can be reduced.

The application discloses a high-speed connector, comprising: an insulating body, containing a first terminal group, a second terminal group, a third terminal group and a fourth terminal group, each terminal group is provided with a base, a groove is formed in the base, the groove contains a metal sheet, the base holds a plurality of ground terminals and a plurality of differential terminals, the third terminal group and the fourth terminal group respectively include a sheet structure with plastic material, which is arranged in the groove of the third terminal group and the fourth terminal group, a gap is formed between a plurality of the differential terminals and the sheet structure, and a plurality of the ground terminals and the sheet structure do not have the gap. Therefore, the high-speed connector adjusts the dielectric coefficient of the structure around the terminal, changes the electromagnetic characteristics and crosstalk interference, and improves the quality of high-frequency signal transmission.

The invention belongs to the technical field of polymer composite materials, and relates to a light-weight, high-heat-conductivity and flame-retardant composite material for a new energy automobile air conditioning system and a preparation method of the light-weight, high-heat-conductivity and flame-retardant composite material. 10 to 25 parts of multifunctional compound filler; the multifunctional compound filler is formed by compounding two-dimensional titanium carbide nanosheets and hexagonal boron nitride microsheets according to the mass ratio of (1: 4)-(1: 1). 2 to 5 parts of compatilizer; 0.1 to 0.5 part of an antioxidant; and 0.5 to 1.5 parts of a lubricant. Through precise compounding of MXene and h-BN, a new triple synergistic mechanism of heat conduction, electromagnetic shielding and flame retardance is created, hexagonal boron nitride serves as a main heat conduction phase, and a phonon conduction path is built in a matrix through a sheet structure of the hexagonal boron nitride; the two-dimensional titanium carbide nanosheets play a bridging role among the h-BN micron sheets by virtue of high conductivity and huge specific surface area, so that the interface thermal resistance is remarkably reduced, a heat-conducting network is optimized, and meanwhile, the metal conductivity of MXene endows the material with excellent electromagnetic shielding effectiveness.

The invention relates to a rare earth metal tungstate nanosheet material as well as a preparation method and application thereof. The rare earth metal tungstate nanosheet material comprises a PO4 < 3->-LnWO4 nanosheet, and Ln is at least one of lanthanide series rare earth metals. The preparation method comprises the following steps: dissolving phosphotungstic acid and a precursor in a solvent, and stirring to form a solution; adding an organic amine ligand, and stirring to form a transparent solution; performing solvothermal reaction on the solution; and centrifuging, washing with ethanol and drying to obtain the rare earth metal tungstate nanosheet material. A solvothermal reaction method is adopted to successfully construct a two-dimensional sheet structure material formed by interweaving nanowires, the material has high specific surface area, abundant pores and excellent structural stability, and the problems that a traditional photocatalytic material is single in structure and insufficient in active site are effectively solved. The photocatalyst shows excellent degradation capability on various typical antibiotic pollutants, breaks through the limitation that most photocatalytic materials are only effective on single pollutants, and realizes relatively high pollutant degradation universality.

The present application belongs to the field of material testing, and particularly relates to a viscoelastic material bulk modulus measuring device and method based on an electric measuring method, wherein the measuring device comprises a pressure tank and a viscoelastic material testing support; the viscoelastic material testing support comprises a fixing frame and a plurality of sets of deformation testing clamps; the deformation testing clamp comprises a fixed elastic sheet, a testing elastic sheet and a clamp block, the fixed elastic sheet is provided with a hollow slot in the middle, the testing elastic sheet is arranged through the hollow slot, and the fixed elastic sheet and the testing elastic sheet are perpendicular to each other, a strain gauge is pasted on the testing elastic sheet, adjacent one end of the fixed elastic sheet and the testing elastic sheet is fixedly arranged on the fixing frame, and adjacent the other end is fixedly arranged on the clamp block, and the clamp block is provided with an abutting rod perpendicular to the arrangement direction of the testing elastic sheet. The present application realizes direct and high signal-to-noise ratio measurement of the bulk strain of the viscoelastic material under a hydrostatic pressure environment by precisely isolating non-measurement direction interference through the double elastic sheet structure of the fixed elastic sheet and the testing elastic sheet of the deformation testing clamp.

The utility model belongs to the field of aluminum nitride ceramic substrates, and particularly relates to an aluminum nitride ceramic substrate with an adjustable load sheet structure, which comprises an aluminum nitride ceramic substrate body, a resistance sheet is fixedly connected to the surface of the aluminum nitride ceramic substrate body, a load sheet body is welded to the surface of the resistance sheet, and the load sheet body is connected with the aluminum nitride ceramic substrate body. An adjusting mechanism is arranged on the surface of the aluminum nitride ceramic substrate body; according to the utility model, the aluminum nitride ceramic substrate body, the adjusting mechanism, the resistor discs and the load discs are matched for use, and when a plurality of load discs are welded on the resistor discs on the aluminum nitride ceramic substrate body, the mounting distances of different load discs can be adjusted through the adjusting mechanism, so that the condition that the positions of the load discs mounted on the substrate are uniform is avoided; and if the plurality of resistor discs are mounted on the substrate in too dense positions or non-uniform distribution, the heat flux density in the area is too high, the air circulation in the area is blocked, and local heat is accumulated and is difficult to dissipate.

1. The name of the design product: the main body of the carton blank. 2. The use of the design product: used to make cartons; the use of the part claimed by the design product: used as the main body of the carton blank to make cartons. 3. The design points of the design product: the shape of the main body of the carton blank. 4. The picture or photo that best indicates the design points: design 1 perspective view. 5. Since the product is a sheet structure, there are no design points on the top, bottom, left and right, and the left and right elevation views of design 1 and design 2 are omitted. 6. Design 1 is designated as the basic design. 7. Other circumstances that need to be explained Other explanations: This application claims partial protection, the part drawn with dashed lines is not claimed, and the part drawn with solid lines is claimed.

The invention discloses a light splitter structure of an LED lamp condenser, and relates to the technical field of lighting device parts, the light splitter structure of the LED lamp condenser comprises a light splitter body, the light splitter body is arranged in the LED lamp condenser, the LED lamp condenser comprises a shell, an optical unit and a condensation unit are arranged in the shell, and the optical unit and the condensation unit are arranged in the shell. The beam splitter body is arranged in the shell, the mounting assembly is arranged in the shell and is used for assisting mounting and connection of the beam splitter body, and a positioning assembly for positioning the beam splitter body is arranged on the mounting assembly. When the light splitter structure of the LED lamp condenser is used, the corresponding positions of the upper side and the lower side of the light splitter can be supported in different states according to the using state of the light splitter through mutual cooperation of the mounting assembly, the positioning assembly, the supporting assembly and the adjusting assembly, the probability that the light splitter body warps at the high temperature is reduced, and the service life of the light splitter body is prolonged. And stable use of the beam splitter is facilitated.

The invention relates to the technical field of heat dissipation, in particular to a 3D space heat conduction component which comprises an upper shell, a lower shell and a capillary structure, the edge of the upper shell and the edge of the lower shell are attached to each other and fixedly connected, the upper shell and the lower shell are of a sheet structure, and the capillary structure is arranged between the upper shell and the lower shell. The upper shell and the lower shell are bent for multiple times to form a shape matched with the position of a heat source, a flow channel is formed between the upper shell and the lower shell, a capillary structure is arranged in the flow channel, the upper shell and the lower shell are adopted to replace a heat pipe, and the upper shell and the lower shell can be bent to form a shape attached to the heat source. And the lower shell can be directly attached to heat sources on different planes, for example, the top surfaces and the side surfaces of the heat sources can be cooled at the same time.

The application discloses a kind of medical titanium alloy material surface antibacterial functionalization processing methods, first by hydrothermal oxidation and high-temperature sintering processing in titanium alloy material surface construction TiO2 Nanometer sheet, then deposit W 18 O 49 Quantum dots are deposited on the TiO2 Nanometer sheet, and TiO2 / W 18 O 49 Heterojunction is constructed on the surface of titanium alloy.TiO2 / W 18 O 49 Heterojunction can efficiently catalyze the production of reactive oxygen species (ROS) under near-infrared light irradiation, achieving antibacterial function. The TiO2 / W 18 O 49 Heterojunction functionalized titanium alloy material surface, the irregular sheet structure of TiO2 Nanometer sheet can greatly increase the contact area of the material surface and the surrounding solution, and the W 18 O 49 Quantum dots have the characteristics of "single-atom-like catalysis", which can improve the ROS yield and further endow the medical titanium alloy surface with strong photodynamic antibacterial performance.

The invention discloses a locking nut assembly. A nut body is provided with a threaded hole and a matching end face. A groove is formed in the inner wall of the threaded hole; the groove extends along the axial direction of the threaded hole; the elastic sheet structure comprises a pressing section and an inserting section formed by bending and extending from a first end of the pressing section; a threaded section is arranged on the outer wall surface, back on to the abutting section, of the inserting section; the insertion section has a combined state that the insertion section is detachably inserted into the groove in the axial direction of the nut body; in the combined state, a movable distance is formed between the second end of the abutting section and the matching end face in the axial direction of the nut body, and threads of the threaded section and threads of the threaded hole are combined to form screwing threads. When the elastic piece structure is matched with a bolt, the elastic piece structure can be directly matched with the bolt in a threaded mode, locking force is applied to the bolt, and therefore the locking and looseness preventing purposes are achieved. The whole structure can be repeatedly used by dismounting and replacing the elastic sheet structure, and the requirements of different assembly environments are met by replacing elastic sheet structures with different elastic forces.

A wiring sheet includes: a pseudo sheet structure including a plurality of conductive linear bodies arranged at intervals; a pair of electrodes; and a first power feeder provided for one of the electrodes and a second power feeder provided for the other of the electrodes. Assuming that the number of the conductive linear bodies is N, a resistance value of a n-th conductive linear body counted from a side at which the first power feeder and the second power feeder are provided is rn, and a resistance value of the electrodes is R, all of conditions represented by numerical formulae (F1), (F2), and (F3) below are satisfied. (F1): r1 / R≤300 (F2): rn+1≤rn (In the formula (F2), n is an integer of 1 or more) (F3): 0<r1−rN.

This invention discloses a composite carbon paste for improving leakage current in stacked solid-state capacitors and its preparation method. The composite carbon paste comprises the following components by mass percentage: 10-20 wt% graphene, 20-30 wt% micronized graphite, and 0.5-5 wt% carbon nanotubes; the micronized graphite has a sheet-like structure with an aspect ratio of 10:1 to 50:1; the graphene has a particle size D50 of 0.5-50 μm, and the micronized graphite has a particle size D50 of 3-15 μm; the D50 of the micronized graphite is 0.5-3 times that of the graphene. This invention also discloses a method for preparing the composite carbon paste, including steps such as carbon nanotube pre-dispersion, graphene pre-dispersion, micronized graphite pre-dispersion, composite mixing, homogenization, and degassing. This invention utilizes sheet-like micro-powdered graphite and graphene to form a close-packed surface-to-surface structure, and optimizes the particle size distribution to construct a three-dimensional conductive network of surface-surface-line, forming a dense physical barrier layer and an efficient electron transport channel. This reduces the leakage current and equivalent series resistance (ESR) of the stacked solid capacitor, and the slurry exhibits good stability and the preparation method is simple.

The present application relates to the technical field of battery preparation, and more particularly to a dry method multi-layer composite electrode film, a preparation method thereof, an electrode sheet and a battery. The dry method multi-layer composite electrode film comprises an electrolyte induction layer, an active material layer, a structure layer and a buffer layer. The electrolyte induction layer is formed by a polar organic high-molecular cross-linked organic film base material, and the electrolyte is better infiltrated into the electrode interior through the attraction of polar molecules to the electrolyte. The structure layer is supported by a high-strength organic film, which improves the structure and tensile strength of the dry method electrode self-supporting film. The buffer layer is formed by an elastic organic high-molecule film, which sets an elastic buffer layer for the multi-layer electrode sheet structure, plays a buffering role when the active material particles swell and shrink, and prevents the destruction of the PTFE fiber filament structure or the electrode sheet structure caused by the volume change of the particles. The present application solves the problems of low mechanical tensile strength, poor electrolyte infiltration and weak volume change resistance in the prior art.

The nickel-titanium alloy sliding cover comprises a sliding sheet, a connecting sheet and a clamping sheet which are connected in sequence, the sliding sheet, the connecting sheet and the clamping sheet are connected to form a sheet-shaped structure with a U-shaped rotary section, a limiting protrusion is formed on the face, close to the clamping sheet, of the sliding sheet in a protruding mode, and the limiting protrusion is connected with the clamping sheet. The nickel-titanium alloy sliding cover is made of nickel-titanium alloy. The nickel-titanium alloy sliding cover is made of nickel-titanium alloy, and the nickel-titanium alloy has hyperelasticity, a shape memory effect and good biocompatibility and is not prone to deformation in orthodontic treatment. In addition, a limiting protrusion is formed on the face, close to the clamping piece, of the sliding piece in a protruding mode, compared with a traditional mode of adopting an elastic arm, the limiting mode of the limiting protrusion is better in structural reliability, the pressure of an orthodontic wire and the external force applied to the sliding cover by a patient can be well borne, deformation is not prone to occurring in the treatment process, and the service life of the sliding cover is prolonged. And the structural stability is further ensured.