938 results about "Sheet structure" patented technology

The invention relates to the field of precise driving and positioning, in particular to a multi-mode bidirectional movement rotary piezoelectric motor. Comprising a base, a rotor mechanism, a stator mechanism and a pre-tightening mechanism, the stator mechanism comprises a flexible metal oscillator connected to the pre-tightening sliding block. The flexible metal oscillator comprises a diamond frame of a sheet structure and an elastic metal substrate connected between a set of opposite angles in the diamond frame. The two groups of piezoelectric ceramic pieces are symmetrically fixed on the same side surface of the elastic metal substrate; the motor further comprises a first driving foot and a second driving foot which are fixed to the flexible metal vibrator, the first driving foot and the second driving foot are fixed to the two adjacent corners of the rhombic frame body respectively, and the first driving foot and the second driving foot make contact with the inner ring of the rotor bearing. According to the technical scheme, through the asymmetric structural design, the rhombic flexible metal oscillator can generate two working modes, so that the motor realizes bidirectional rotation under the condition that the voltage and the structure are not changed.

The invention relates to the technical field of robots. According to the touch sensing fingertip device, protection of a touch sensor in fine operation of a mechanical arm is achieved, and objects of sheet structures can be grabbed more accurately. Specifically, through the bionic fingernail part installed on the back side of the fingertip body, the protection part of the bionic fingernail part extends forwards and exceeds the highest point of the touch sensor, and a cantilever protection structure similar to a human fingernail is formed; the protection parts form a physical barrier (for example, the protection parts are preferentially contacted during grabbing) in a non-contact state by utilizing a reasonable coverage range of the bionic nail part, and meanwhile, when the protection parts are matched with fingers on the opposite side, the two corresponding protection parts can be matched to grab an object of a sheet-shaped structure; according to the design, the durability of the sensor in a complex environment is improved, and the accuracy of grabbing the sheet-shaped objects is improved.

The invention relates to a thermoplastic composition comprising A) polybutylene adipate terephthalate (PBAT), B) CaCO3 powder, C) one or more citric acid triesters, and optionally D) optional auxiliary components, wherein the components A) to D) add up to 100 weight-%. The invention further relates to article comprising such compositions, a stone paper comprising a sheet structure consisting of the thermoplastic composition, and a method for the manufacture of such stone paper.

The utility model discloses a stacked fire cover, a combustor and a stove, and belongs to the technical field of kitchen electric appliances. The stacked fire cover is formed by alternately stacking a plurality of first laminations and a plurality of second laminations, the first laminations and the second laminations are each of a hollow sheet-shaped structure, the first laminations are provided with concave parts extending in the radial direction of the first laminations, the multiple concave parts are arranged at intervals along the circumferential sides of the first laminations, and a groove is formed between every two adjacent concave parts; the outermost layers of the stacked fire covers are second laminations, and the second laminations attached to the outer surfaces of the concave parts are matched with the single grooves to form single fire outlet holes extending in the radial direction of the first laminations. According to the stacked fire cover, the height of the stacked fire cover can be flexibly adjusted according to needs so as to meet the needs of combustors of different sizes, the design cost and the manufacturing cost can be reduced, and market popularization of products is facilitated. The burner and the stove are low in cost by applying the stacked fire cover, and market popularization of products is facilitated.

The invention discloses an insertion tube, an insertion part and an endoscope, and belongs to the technical field of endoscopes. The insertion pipe comprises a bent pipe and a clamping piece, a mounting groove is formed in the side wall of the bent pipe, and the mounting groove penetrates through the two ends of the bent pipe in the axial direction of the bent pipe; the clamping piece is of a sheet structure made of a flexible material, the clamping piece comprises an inner wall surface, a first side wall, an outer wall surface and a second side wall which are sequentially arranged in the circumferential direction of the clamping piece, and the first side wall and the second side wall are connected with the inner wall surface and the outer wall surface; the clamping piece can be extruded into the mounting groove by the camera module along the radial direction of the bent pipe, so that the inner wall of the mounting groove is attached to the outer wall surface, an accommodating cavity for assembling the camera module is defined by the inner wall surface, and the first side wall and the second side wall abut against each other to isolate a notch of the mounting groove from the accommodating cavity. According to the application, the clamping piece is arranged, the clamping piece is matched with the camera module, the clamping piece is assembled while the camera module is assembled, and meanwhile, the clamping piece wraps the camera module to isolate pollution.

The invention belongs to the technical field of die casting performance prediction, relates to an equivalent material piece simulation optimization method and system based on a large-size casting solidification path, and particularly relates to an equivalent material piece simulation optimization method and system based on a large-size casting solidification path by analyzing key structure characteristics of a large-size integrated die casting and designing an ultra-long-size equivalent solidification path simulation material piece structure. The mold filling distance of the molten metal is consistent with the mold filling path of the key structure of the large-size casting; by combining a mold flow analysis method, under the condition that production process parameters such as die-casting pressure are completely consistent with actual production process parameters of a die casting, high-precision simulation of the equivalent material sheet is achieved, and an equivalent material sheet model is optimized by analyzing a simulation result; and verifying the performance of the die-cast equivalent material sheet based on a tensile test, and optimizing an equivalent material sheet model and a processing technology thereof by utilizing a tensile test result, so that the deviation between the mechanical property of the equivalent material sheet and an actual large-size casting is controlled within a preset condition. The problems that the large-size casting is large in performance prediction error, high in sampling cost and long in machining process optimization period are solved.

The invention relates to a low-dielectric-loss high-thermal-conductivity epoxy resin composite material and a preparation method thereof, and the preparation method comprises the following steps: carrying out surface modification treatment on a thermal conductive filler: carrying out surface modification on the thermal conductive filler by adopting a chemical covalent bonding or physical adsorption mode, the heat-conducting filler is used for improving the compatibility of the filler and an epoxy resin matrix and reducing the interface thermal resistance, and comprises boron nitride with a two-dimensional sheet structure; epoxy resin, a curing agent and an optional modifier are evenly mixed, the epoxy resin is selected from epoxy resin with the low polarity characteristic, and the modifier comprises at least one of thermoplastic resin or elastomer. And the process is simple and controllable.

The present application belongs to the technical field of the voice coil motor's elastic sheet, disclose a kind of plane elastic sheet combination's three-dimensional spring, the three-dimensional spring is applied in voice coil motor to provide the elastic support limiting effect in several directions to moving component, including as independent structure mutually contact fixed connection plane elastic sheet A and plane elastic sheet B, wherein the included angle of plane elastic sheet A and the plane of plane elastic sheet B is not zero.The present application is optimized to two or more independent plane elastic sheet structure assembly to form three-dimensional elastic sheet by integral bending type elastic sheet, to reach the multidirectional elastic support / limiting effect of three-dimensional elastic sheet while also being able to avoid the structural defects caused by bending, and compared with other solutions, its cost is lower, and can be assembled to form different structure elastic sheet according to demand, with higher adaptability.

The application provides a kind of iron phosphate material, its preparation method, positive electrode material, positive electrode sheet and secondary battery.The titanium element is doped in the iron phosphate material, at least part of the surface of the primary particle of the iron phosphate material is in laminated structure, in the multiple sheet layers of laminated structure, any two adjacent sheet layers are located on the side of each other respectively.The laminated structure forms a short-range ordered morphology, avoids the situation that sheet layer horizontal and vertical staggered causes space waste, can make the specific surface area and contact area of primary particle are more significantly improved.Moreover, the titanium element is also doped in the iron phosphate material, titanium element makes the iron phosphate material produce defects in the process of crystallization, hinders the growth of iron phosphate in a particular direction, is beneficial to the formation of laminated structure on the surface of iron phosphate particle.

The invention relates to a basalt reinforced high-density polyethylene composite material as well as a preparation method and application thereof. The basalt reinforced high-density polyethylene composite material comprises high-density polyethylene, a modified basalt reinforced filler and a compatibilizer, the basalt reinforced filler comprises modified basalt fibers and modified basalt scales. The modified basalt fibers and the modified basalt scales are added into the high-density polyethylene, the modified basalt fibers construct a three-dimensional supporting network to bear main loads, and the sheet structures of the modified basalt scales can prevent the material from deforming in the two-dimensional direction; the basalt reinforced high-density polyethylene composite material and the preparation method thereof have the advantages that the mechanical strength of the basalt reinforced high-density polyethylene composite material is enhanced synergistically, the prepared basalt reinforced high-density polyethylene composite material has the advantages of excellent mechanical strength, good wear resistance and corrosion resistance and the like, and the long-term use requirement of the material in a sea wave high-frequency friction environment is met.

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 provides a self-adhesive pavement local disease repair blanket and a preparation process and application thereof, the repair blanket is of a rectangular sheet structure, and sequentially comprises an anti-wearing layer, a high-viscosity tough asphalt layer, a self-healing composite structure layer, an anti-crack reinforcing layer and a self-healing bonding layer from top to bottom. The self-healing composite structure layer is composed of a crack limiting induction film layer and a shape memory polyurethane strip. Through the collaborative design of introducing the anti-crack reinforcing layer and the high-viscosity and tough asphalt layer into the repairing blanket structure, the stress fluctuation transmitted by base cracks can be effectively buffered, and the stress concentration degree of the surface layer is reduced, so that the occurrence of reflection cracks is inhibited, and the structural integrity of a pavement repairing area is improved; a self-adhesive composite structure which can be used at normal temperature is adopted, traditional operation steps such as heating, mixing or sealing layer laying are not needed in the construction process, the construction process is simplified, and the maintenance time is shortened.

The utility model discloses a child carrier base with a lightweight structural design and a child safety seat, which are characterized in that a shell is made of a non-metal material, a reinforcing connecting pipe is of a hollow structure, a supporting seat is of a sheet structure, and a clamping mechanism and a clamping linkage mechanism are integrated on the corresponding supporting seat to form an independent structure. According to the child carrier base and the child safety seat thereof, the structural concise design is achieved, so that the overall weight is effectively reduced, carrying is convenient, meanwhile, the manufacturing cost can be effectively reduced, and the market competitiveness of products is improved.

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 present disclosure relates to the technical field of RFID processing, and in particular to a high-speed composite die-cutting process method and device for RFID tags. The method includes the following steps: S10: Unwind the rolls, and unwind the base paper roll and the dry inlay roll in the same direction at the same time; S20: Composite die-cutting, attach the base paper and the dry inlay layer together, and die-cut the dry inlay layer into a set of juxtaposed sheet-like structures; S30: Turn over and transfer, transfer the sheet-like dry inlay on the base paper to the base film; S40: Upper layer lamination, attach the upper layer film to the transferred base film and the sheet-like dry inlays arranged at equal intervals on the base film; S50: Outer shape cutting, cut the outer shape of the upper layer film so that the upper layer film is cut into a sheet-like structure covering each sheet-like dry inlay, wind up and discharge the waste of the remaining upper layer film, and wind up the final finished product at the same time. The composite die-cutting method of the present disclosure realizes the streamlined operation of RFID tags by die-cutting first, then transferring and finally laminating, improving the processing efficiency.

The invention provides electronic equipment, a heat dissipation assembly and a heat storage piece of the heat dissipation assembly. The heat storage sheet comprises a packaging shell and a phase change heat storage material, the overall appearance of the packaging shell is of a sheet-shaped structure, a sealing cavity is defined in the packaging shell, the phase change heat storage material is packaged in the sealing cavity, and the phase change heat storage material can be subjected to phase change after being heated so as to absorb heat. According to the heat storage sheet provided by the embodiment of the invention, the heat can be stored in the phase change heat storage material by utilizing the heat absorption phase change characteristic of the phase change heat storage material, so that the heat dissipation of a heating device is realized, the transient heat dissipation capability of the electronic equipment is improved, and the temperature rise rate of the electronic equipment in the use process is reduced.

The invention discloses a preparation method of a self-supporting silicon-carbon electrode plate. The preparation method comprises the following steps of expanded graphite preparation, nitrogen doping, pore forming, silicon compounding and compression molding. The innovation of the invention is that the integrated pole piece with a three-dimensional elastic conductive network is constructed through the porous design of the nitrogen-doped expanded graphite matrix and the in-situ silicon coating and mould pressing integrated forming process. By doping the nitrogen element in the expanded graphite, the wettability of the pole piece to an electrolyte can be improved, pores of the expanded graphite can be used as transmission channels of ions between graphite sheet layers, and then by utilizing a microscopic two-dimensional sheet structure of the expanded graphite and direct molding through mold pressing, efficient compounding of graphite and silicon is realized, and preparation of the negative pole piece is completed in one step. The breakthrough of the thickness of the pole piece reaches the magnitude of 1 mm (far exceeding the level of tens of microns of a traditional current collector), and meanwhile, the pole piece has high rate performance and excellent cycle stability. Wherein the three-dimensional structure maintains the integrity of the electrode through a mechanical interlocking effect, and the structure has certain elasticity, so that the structure of the material is kept stable in a repeated expansion / contraction process caused by charging and discharging, and the capacity retention ratio is remarkably improved.

The utility model discloses a combined type foam cultivation column which comprises an arc-shaped foam board sheet and a liquid supply pipe, a plurality of planting holes are formed in the outer surface of the arc-shaped foam board sheet, a plurality of cross-shaped mist spray nozzles are fixedly connected to the lower surface of the liquid supply pipe, an input port of the liquid supply pipe is connected to the output end of a water pump, and a water outlet of the water pump is connected to the output end of the water pump. The interval between every two adjacent planting holes is 15 cm multiplied by 25 cm. Compared with a traditional integral type large-opening long PVC tubular column, a sheeted combined structure is adopted, the sheet plates can be disassembled for transportation during transportation, for example, the arc-shaped sheet plates can be stacked, the occupied space is greatly reduced, the transportation cost is reduced, the sheet plate structure with the male and female seams is adopted, and the transportation efficiency is improved. During installation, the planting column can be rapidly combined by buckling the sheet plates according to the corresponding relation of the male and female seams, and compared with the complex installation process of a traditional integral planting column, the equipment can save a large amount of installation time and labor cost.

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 belongs to the technical field of lubricating oil manufacturing, and relates to composite lubricating oil used in an aluminum rolling process, which comprises the following components in parts by mass: 94-96 parts of base oil, 0.5-1.5 parts of an oiliness agent, 0.5-0.8 part of an extreme pressure anti-wear agent, 0.5-1.5 parts of a wear-resistant antioxidant, 0.5-2 parts of oleic acid diethanolamide and 0.5-1 part of an antirust agent. On the basis of the prior art, nano-sheet molybdenum disulfide is introduced and added into 2-aminoterephthalic acid and nickel nitrate to react to prepare a modified metal organic framework, then carnosic acid is grafted through an amide reaction to prepare the wear-resistant antioxidant, and a protective film can be formed on a friction interface through a sheet structure of molybdenum disulfide, so that the friction coefficient is reduced; the wear resistance is improved; a compact passive film is formed on the surface of aluminum metal through the synergistic effect of the extreme pressure anti-wear agent and the wear-resistant antioxidant, and the corrosion resistance and wear resistance of the composite lubricating oil used in aluminum plate rolling are improved.

The invention provides an eyelash grafting object and a root pressing process thereof, and relates to the technical field of false eyelashes, the eyelash grafting object comprises a plurality of long-strip membranes and a plurality of layers of eyelash filaments, each long-strip membrane is provided with at least one viscous surface, the root of each layer of eyelash is adhered to one viscous surface, and the root of each layer of eyelash filaments is adhered to the other viscous surface. All the long-strip membranes are fixed together in a press fit mode to form an integrated rubber strip, the root of the eyelash grafting object is fixed in the press fit mode, and compared with a traditional thread combining process, the situation of glue overflowing is avoided, the quality stability of the eyelash grafting object is guaranteed, and the production efficiency is improved. The adhesive tape is of a multi-layer sheet-shaped structure, and compared with a line adhesive stem with an elliptical cross section, the adhesive tape has a larger adhesive area when the eyelash grafting object is worn, so that the eyelash grafting object is adhered more firmly.

A method for producing layered sheet structures from titanium or titanium alloy metal for use in or as electrodes of PEM-type electrolyzers or fuel cells. The method includes providing a first sheet-like green part with voids or open spaces, where first sheet-like green part is a green part of a first metal sheet layer. The method alternatively includes providing a first metal sheet layer comprising a metallic frame structure with voids or open spaces. The method further includes providing a second sheet-like green part, where second sheet-like green part is a green part of a second metal sheet layer, which is porous. The method alternatively includes providing a second metal sheet layer, which is porous. The method further includes forming a stack with a combination of the first and second sheet-like green part and the first and second metal sheet. The method further includes bonding the metal sheet layers.

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.

The invention provides a display type perfume color box with a tearing fragrant sheet structure, which comprises an outer box and an inner box, and an upper buffer inner clamping seat is arranged at the top of an inner cavity of the outer box; an upper outward turning part and a lower buffering part are formed in the inner box, the lower buffering part is filled with a solidified culture medium layer, and a plurality of upper embedding grooves corresponding to the tops of perfume bottles are formed in the lower surface of an upper buffering inner clamping seat in a circumferential array mode; the positions, corresponding to the upper embedding grooves, of the upper surface of the outer box are correspondingly provided with fragrant sheet tearing structures; the tearing perfumed tablet structure comprises a storage groove, a perfumed tablet, a tearing surface and a coating; a plurality of lower embedding grooves corresponding to the bottoms of the perfume bottles are formed in the upper surface of the solidified cultivation substrate layer in a circumferential array mode. A seed pre-buried layer is arranged in an inner cavity in the middle of the solidified culture medium layer; the upper surface of the solidified culture substrate layer is covered with a PLA degradable film layer; a tearing perfumed tablet structure is arranged, interaction with consumers is achieved through the tearing perfumed tablet, and the use experience feeling of users is improved; and therefore, the environment-friendly concept is met.

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.