315results about How to "Guaranteed normal formation" patented technology

The invention discloses a lithium-ion secondary battery and an electrolyte thereof. The electrolyte comprises a solvent, lithium salt and a film forming additive, wherein the solvent comprises a first solvent and a second solvent; the first solvent comprises linear carboxylic ester and ethylene carbonate; the second solvent is one or more of ethyl methyl carbonate, diethyl carbonate, dimethyl carbonate and propylene carbonate; and the film forming additive is one or more of fluoroethylene carbonate, vinylene carbonate, 1,3-propane suhone, succinonitrile, adiponitrile, lithium bis(oxalato)borate, and lithium oxalyldifluoroborate. Due to the collocation of linear carboxylic ester and ethylene carbonate, a solvent system with a higher dielectric constant and low viscosity is obtained; the film forming additive improves poor compatibility between linear carboxylic ester and graphite; and finally the lithium-ion secondary battery adopting the electrolyte presents high-power discharge capacity, excellent high-temperature cycling stability and low-temperature charge and discharge properties.

The invention discloses a method for killing soil bacteria and insects and improving soil and a special device for killing bacteria and insects, wherein the method for killing soil bacteria and insects and improving soil comprises the following steps: first, rotatably plowing the surface soil, where the rotary plowing depth is not less than 35 cm; second, shoveling the surface soil from the land, and lifting the shoveled surface soil and then baking the surface soil by flame; and third, complementing microorganism, compost and trace element; the special device comprises a box, wherein a shoveling plate is arranged in the front of the box body; a soil inlet is arranged on the front wall of the box body; a transmission shaft is arranged above the back of the shoveling plate; soil-lifting blades are distributed on the transmission shaft annularly; a first tilting plate is arranged on the middle lower part of the box body; a gas pipe is arranged at the top of the box body; and a flame stove is arranged on the box body. When the special device and the method disclosed by the invention are used for killing bacteria and insects, the cost is low, the insect-killing effect is good and the organic activity and microorganism activity in the soil are ensured.

The invention relates to a production method for a seamless nickel sheet with a microprism array. The production method includes the steps of manufacturing unit nickel sheets of required amount; performing finish machining to and removing burrs of the unit nickel sheets, and cutting two sides of a front surface of each unit nickel sheets to form a cut surface with certain angle; arranging the machined nickel plates as required, and welding the unit sheets from reverse surfaces to be sequentially connected to form a required large nickel sheet matrix; bending the welded large nickel sheet matrix, selecting a plastic cylinder with smooth inner wall, and fixing the bent large nickel sheet matrix on the smooth inner wall of the plastic cylinder; and placing the plastic cylinder with the large nickel sheet matrix adhered into an electroforming groove for electroforming, and forming the required seamless nickel sheet on the front surface of the large nickel sheet matrix. Cutting precision and splicing precision of the unit nickel sheets are controlled strictly, the surface of a die for producing the large nickel sheet matrix of the nickel sheet is seamless by the aid of the cylinder, and accordingly production of the seamless nickel sheet is truly achieved.

The invention relates to a matt release film. The matt release film comprises a base film and a matt release coating layer arranged at one side of the base film; and the matt release coating layer is formed by coating a fluorine-containing thermosetting coating, and the coating comprises fluorine series resin, acrylic resin, aldehyde ketone resin, a curing agent system, an assistant, a delustering agent and a mixed solvent. The matt release film has the advantages of low surface tension, good adhesiveness and overcoatability, excellent heat and solvent resistance, and high residual adhesion rate and excellent matt effect after peeling when the matt release film is used in the field of electron manufacturing.

The invention relates to a preparation method of a porous carbon-tin nanocomposite material for lithium battery cathode, and belongs to the technical field of inorganic nano materials. A matrix of porous carbon is immersed in a tin precursor solution, and then the matrix is calcined twice and subjected to in situ reduction to prepare the porous carbon-tin nanocomposite material. Compared with the prior art, the nanocomposite material prepared by the invention can be used in the field of cathode material for lithium ion batteries, and can obtain high capacity and good cycle performance.

The invention discloses a wood frame shear wall which comprises a wood frame column, a wood frame beam, a wood-base structural slab, a top beam plate, a bottom beam plate, studs and a gypsum board, wherein the wood-base structural slab is arranged in the middle of the wall; the plurality of studs are respectively arranged between the top beam plate and the bottom beam plate, thus forming stud frames; the stud frames are symmetrically arranged at the two sides of the wood-base structural slab; the peripheries of the stud frames are connected with the wood frame beam and the wood frame column through bolts; and the gypsum board is arranged at the outer sides of the stud frames, and the edge of the gypsum board is parallel and level to the outer sides of the stud frames. According to the wood frame shear wall, a shingle and the studs are integrated into a whole. The wood frame shear wall is large in lateral rigidity resistance and good in ductility, has high lateral resistance and energy-dissipating capacity, can favorably make breakthrough in height and span of a timber architecture. The wood frame shear wall is wide in application prospect, can be applied to multi-floor and medium and high-rise wood frame structure buildings, and remarkably improves the lateral resistance of the whole structure.

The high temperature self-compensating lubricating wear resistant material includes substrate and solid lubricating particle compounded to the substrate. The substrate is mixed alloy, ceramic and RE element sintered body with sweat gland type structural micropores. The sweat gland type structural micropore has diameter of 0.05-8 micron and consists of internal micropore and penetrating micropore to the surface of the substrate, and the solid lubricating particle is compounded into the sweat gland type structural micropore. The present invention ensures the formation of wear resistant hard phase in the substrate material, and the composite material has its lubricant inside the substrate driven by the friction heat to diffuse toward the friction surface via the sweat gland micropores to realize the self compensating lubrication of the wear resistant material at high temperature.

The invention discloses a rolling method of pipeline steel and a stainless steel composite plate. The rolling method comprises the step of a heating step, a rolling step, a cold control step, a straightening step and a stack cooling step. According to the rolling method, the rolling process is adjusted and researched, the low-temperature long heat preservation and heating process is adopted, a high-temperature low-speed high-pressure pressing process is adopted at the roughing rolling stage, the uniformity of the tissue of the steel plate before the cold control is guaranteed by controlling the thickness of an intermediate blank and controlling the finish rolling starting temperature, final rolling temperature, the pressing rate in the step before the final rolling and the like at the finish rolling stage, the particle size is relatively small, and the formation of the final steel plate needle-shaped ferritic structure is guaranteed by adopting a given cooling speed and controlling the start cooling temperature and the return red temperature by virtue of the cooling control process, so that the indexes of mechanical properties of the steel plate can be guaranteed.

The invention discloses a novel injection zipper cloth strap comprising a central line (5) at the edge of the cloth strap, a group of warp (3) and continuous wept (2). Continuous and alternately-arranged small holes (4) are arranged in a joint surface zone of the cloth strap and the injection zipper teeth and formed by setting the structural tissue of the warp of the cloth strap through the mutual influence of tension between the warp and the wept while braiding. The holes in the injection zipper cloth strap are formed without special tools, special procedures or special materials, and the warp and the wept of the cloth strap are kept to be integral with uninfluenced appearance and strength. The invention has the advantages of convenient and simple production and can enhance the binding force between the zipper cloth strap and the zipper teeth, and the like.

The invention belongs to the field of photoelectric devices, and particularly relates to a GaN-based light-emitting diode structure improving the light extraction rate and a preparation method. The GaN-based light-emitting diode structure improving the light extraction rate and the preparation method solve the technical problems that the carrier concentration of a P-type area of an existing LED structure is not high, currents are distributed unevenly, and the light emitting efficiency is low. The GaN-based light-emitting diode structure improving the light extraction rate comprises a substrate, a GaN buffer layer growing on the substrate, a non-doped GaN layer growing on the GaN buffer layer, a Si-doped GaN layer growing on the non-doped GaN layer, multiple-quantum well structures, growing on the Si-doped GaN layer, of six periods, a p-AlGaN electronic blocking layer growing on the multiple-quantum well structures, a Mg-doped p-type GaN layer growing on the p-AlGaN electronic blocking layer, a heavily-doped p-type GaN layer growing on the Mg-doped p-type GaN layer, and an n-type InGaN layer growing on the heavily-doped p-type GaN layer. According to the GaN-based light-emitting diode structure improving the light extraction rate and the preparation method, the currents are distributed evenly, the light emitting efficiency is high, and the preparation process is simple.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a hollow-structure carbon and silicon negative pole material used for a lithium ion battery. The inner side of the negative pole material is of a hollow structure, and a wall layer of the negative pole material comprises an inner wall and an outer wall; the inner wall is subjected to homogeneous phase compounding by nanometer silicon and a low carbon residue carbon source; the outer wall is a carbon coating layer formed by an original pyrolysis carbon source; the particle size of the nanometer silicon is 5-300nm; the softening point of the low carbon residue carbon source is less than 200DEG C, and a carbon residue rate is less than 40%; the thickness of the outer wall is 0.1-10 microns; thethickness of the inner wall is 1-8 microns. The invention designs the large hollow-structure carbon and silicon negative pole material used for the lithium ion battery, a large hollow part is reservedfor the volume expansion of silicon, the volume expansion problem of a silicon negative pole can be obviously solved, the formation of the large hollow structure is guaranteed by the low carbon residue carbon source, meanwhile, the nanometer silicon is subjected to homogeneous phase dispersion, a transmission channel and rate of electrons and lithium ions can be guaranteed, and the carbon coatinglayer coats the outmost layer so as to form a protection shell for isolating electrolyte.

The invention discloses a technology for baking and grinding high-moisture chalk through a vertical mill and belongs to the field of cement raw materials prepared by adopting high-moisture chalk raw materials. Clammy chalk with the moisture more than 25% is fed onto an inner refiner plate of the vertical mill from a feeding mouth of the vertical mill; hot wind passes through a wind chamber, a wind ring and a chamber above the refiner plate from a hot wind inlet and discharges out of the vertical mill from a hot wind outlet; zone control is performed on the moisture of materials inside the mill; the moisture of the materials is dried step by step; a powder selecting machine, the feeding mouth and the hot wind outlet are arranged at the upper part of the vertical mill; the refiner plate and mill grinding rollers are arranged inside the vertical mill; a cloth scraping plate is arranged above the refiner plate; a retaining ring is arranged at the edge of the refiner plate; the height of the retaining ring exceeds 150 mm; the wind chamber is arranged below the refiner plate; the wind chamber is communicated with the chamber above the refiner plate through the wind ring; the hot wind inlet of the mill, a material scraping device and a feeding back port are arranged in the wind chamber, the feeding back port is connected with the feeding mouth through an outer circulating system of the mill. The invention provides a simpler and energy-saving preparation technology and device for preparing the cement raw materials by adopting the high-moisture chalk raw materials.

The present invention relates to a light-emitting amorphous silicon carbide nanoparticle preparation method, and belongs to the technical field of photoelectric materials. The method is mainly characterized in that the silicon carbide polycrystalline ceramic sheet surface is subjected to a polishing treatment, focusing is performed onto the polycrystalline ceramic sheet immersed in deionized water by using excimer pulse laser, and during the irradiation process, a three-dimensional controllable platform carries a beaker to slowly translate so as to make the laser irradiation position on the ceramic sheet be continuously changed, such that finally the amorphous silicon carbide nanoparticles suspended in the deionized water and having the diameter of about 10 nm is obtained, wherein the surface is hydrophilic so as to ensure that the amorphous nanoparticles can be stably suspended in the ionized water and do not produce settling. In addition, the amorphous silicon carbide nanoparticles have strong and stable blue light emission, and have good application prospects in the fields of photoelectricity and biomedicine.

The invention discloses a processing method for a blowing type soaking plate with a capillary structure. The processing method specifically comprises the following steps of 1, preparing materials, specifically, two substrates are prepared; 2, printing and capping, specifically, a blocking agent is printed on the substrates, and the two substrates are capped, wherein the blocking agent is positioned between the two substrates; 3, hot rolling, specifically, the double-layer substrate is rolled and synthesized into a composite plate; 4, blowing, specifically, high-pressure gas is introduced intothe composite plate, so that a part printed with the blocking agent is expanded to form a cavity; 5, filling filler, specifically, filler is filled into the cavity of the composite plate, wherein thefiller comprises particles, and the melting point of the particles is higher than that of the substrates; and 6, sintering, specifically, the composite plate is heated, and the filler is sintered on the composite plate to form the capillary structure. The filler is filled after a blowing process and sintered in the cavity to form the capillary structure, so that the situation that the filler is deformed or even broken due to extrusion is avoided, the formation of the capillary structure is guaranteed, and the heat dissipation effect of the soaking plate is improved.

The invention provides a preparation method for an inorganic nanoparticle/graphene three-dimensional porous composite material. According to the preparation method, the inorganic nanoparticle/graphene three-dimensional porous composite material is prepared by the steps of uniformly mixing polystyrene microspheres pre-loaded with inorganic nanoparticles with a graphene oxide solution, then removing a solvent, and packaging and compounding the mixture; and next, removing a polystyrene template through thermal treatment, carrying out thermal reduction on graphene, and keeping the inorganic nanoparticles. The preparation method has the beneficial effects as follows: the polystyrene microspheres are taken as the carrier of the inorganic nanoparticles, so that agglomeration of the inorganic nanomaterial and the graphene lamination can be effectively avoided in the regulation and control process of the porous structure; when the porous composite material is used as the negative electrode of a lithium battery, the inorganic nanoparticles with high theoretical specific capacity supplies possibility for implementation of the high energy density of the material; the three-dimensional conductive network formed by graphene supplies possibility for implementation of the high power density; and in addition, due to the three-dimensional porous structure, the volume change caused by lithium intercalation/deintercalation of the active particles can be effectively relieved, so that the cyclic stability of the material is improved.

The invention relates to a crystal growth tank used for freezing and concentration. The crystal growth tank comprises a barrel-shaped crystal tank body and a growth tank body, wherein a feeding hole is formed in the bottom of the crystal tank body; a cold medium water inlet located at the bottom end of the crystal tank body and a cold medium water outlet located at the top end of the crystal tank body are formed in the two symmetrical side edges of the crystal tank body; the crystal tank body is located on the lower side of the growth tank body, and the crystal tank body and the growth tank body are connected to form a communicated whole body, and a rotary shaft penetrates through the centers of the crystal tank body and the growth tank body; and the rotary shaft is rotationally and fixedly sealed between the top of the growth tank body and the bottom of the crystal tank body through sealing bearings at the two ends. A rotary shaft section in a material barrel of the crystal tank body, namely a scraping knife shaft, is movably connected with mutually-staggered scraping knives; a rotary shaft section in the growth tank body, namely a stirring shaft, is fixedly provided with hollow annular stirrers which are uniformly distributed; and the part, which is close to the center of the top, of the growth tank body is further provided with an ice discharging hole in a manner of extending out of the tank. The crystal growth tank is simple in structure, low in energy consumption and stable to operate, and can effectively guarantee the concentration effect.

A bionic technology based on fast shaping and 3D braiding for preparing artificial bone features that the 3D braiding and coating are used to form a microchannel structure of artificial bone and the fast shaping is used for generating the integral shape of artificial bone to match with the bone of patient.

The invention relates to microcrystalline domestic ceramic prepared by talcum. By taking the raw material components and the component contents thereof take 100 g of microcrystalline ceramic body as reference, the mass in gram of each component is as follows: 55-65 g of talcum, 50-65 g of soda feldspar, 4-15 g of potassium feldspar and 0.2-1.8 g of barium carbonate. The microcrystalline domestic ceramic prepared by talcum disclosed by the invention has the following advantages that: 1) cost is low, and the problems of the process properties of common ceramic production process necessary for clay and the supply bottleneck of high-quality kaolin are thoroughly solved; 2) automatic production process for glass is used for replacing manual and semi-mechanized processes for domestic ceramic, so that production efficiency is greatly increased and quality is greatly stabilized; and 3) the various performances and appearance quality requirement of domestic ceramic are realized via special heat treatment method.