30results about How to "Improve UI" patented technology

The invention provides lithium ion battery high-voltage anode material preparation and surface coating method. The method adopts high-voltage anode material spinel-type LiNi0.5Mn1.5O4 prepared by a two-step method and comprises the following steps of: firstly, evenly mixing nickel source and manganese source solutions with a surface active agent solution, then drying and roasting in the air of 350-450 DEG C to obtain a precursor of a nickel and manganese oxide; mixing the precursor with a lithium source through liquid phase ball milling, drying and finally roasting in the air of 400-900 DEG Cto obtain an anode active material; and adding the anode active material to a soluble aluminum solution containing a lithium source, sufficiently and evenly mixing under controlling the lithium source, the soluble aluminum source and the anode active material to be at the proper mol, drying and carrying out high-temperature roasting treatment to obtain a final product which is the lithium ion battery high-voltage anode material which is coated with a layer of lithium-contained transition metal oxide on the surface. The high-voltage anode material prepared by the method has the characteristicsof high initial capacity, good cycle performance and the like.

The invention discloses a method for forming lithium manganese power cells. The method comprises the following steps: injecting liquid to a power cell and allowing for standing for a first preset time thereafter; allowing for standing for a second preset time after constant-current charge to a first preset voltage with a first preset current; allowing for standing for a third preset time after constant-current charge to a second preset voltage with a second preset current; and performing constant-current charge to a third preset voltage with a third preset current, then performing constant-current discharge to a fourth preset voltage with a third preset current, and repeating the step for a preset number of times. The method provided by an embodiment of the invention can form a compact and stable SEI film and completely eliminate gases generated in formation. The method effectively improves the available capacity of cells, the cycling performance, the consistency and the safety. Besides, the method is easy and reliable, is particularly suitable for lithium manganese power cells for electric vehicles, and can be promoted for wide applications.

The invention relates to reinforcing filler used for a rubber latex product, a preparation method thereof and application thereof. The reinforcing filler consists of the following components in part by weight: 50 to 80 parts of base material, 0.01 to 0.4 part of dispersant, 0.001 to 0.5 part of surface treating agent, 0.01 to 1 part of emulsion and 20 to 50 parts of water, wherein the base material is any one of heavy calcium carbonate powder, kaolin powder and argil powder; the dispersant is any one of casein, methylene dinaphthalene sodium sulfonate, sodium polyacrylate, potassium hydroxide and ammonia water; the surface treating agent is any one of bentonite, cellulose, swelling soil and attapulgite; and the emulsion is any one of mineral oil, vaseline, liquid paraffin and polyoxychloroethylene wax. The reinforcing filler has economic formulation and good reinforcing effect. The preparation method is a conventional stirring and grinding method. The process is simple, and little equipment is used. The application comprises the following steps: adding the reinforcing filler into rubber latex, blending the mixture evenly, forming a layer of film on a die by adopting a soaking and casting method, and then drying the film for 15 to 30 minutes at a temperature of between 110 and 130 DEG C to obtain the reinforced filled rubber latex product. The reinforcing filler is favorable for improving the tensile strength of the rubber latex product and reducing the usage amount of the latex.

The invention belongs to the field of dielectric energy storage material, and specifically relates to a preparation method of barium strontium titanate based glass ceramic material with high energy storage density. The invention provides the preparation method of barium strontium titanate based glass ceramic energy storage material, which comprises the following steps: burdening according to (BaxSr1-x) TiO3-aAl2O3-bSiO2, wherein x=0.4-0.6, (a+b)/(2+a+b)=0.3-0.35 and a/b=0.5-1.0, drying after ball-milling and mixing materials, and melting at high temperature; casting high-temperature melt into a metal mold, performing stress relief annealing, and then cutting to obtain glass thin sheet with thickness of 0.5-1.0mm; performing controlled devitrification to the glass thin sheet to obtain glass ceramic; performing microwave heat treatment to the glass ceramic in a microwave oven to obtain the glass ceramic dielectric with high energy storage density. The method provided by the invention is simple and the energy storage property of the prepared glass ceramic material is improved greatly.

The invention discloses a high-durability damping concrete and a preparation method thereof, and relates to several concretes and a preparation method thereof. The invention solves the problems of low damping capability and poor durability of the conventional concrete structure material per se. The high-durability damping concrete is prepared by stirring and mixing cements, rubber powder, water, medium sand, stones, and adding fibers and silicon powder. In the invention, c the loss factors of the high-durability damping concrete are improved by about 80-200 percent compared with that of pain concrete under the condition of different frequencies. After maintenance for 28 days, the concrete prepared by using the method has chloridion-resistant permeability and carbonizing-resistant capability both superior to that of blank concretes.

The disclosed preparation method for anode material of composite doped modified Li-ion cell comprises: mixing the Li-source compound, P-source compound, Fe-source compound, crystal phase doped M (rare earth element) compound and non-crystal phase doped element C to heat for 5-20h at 250-400Deg; cooling, and grinding to obtain the reaction predecessor contained PO43-, Li+, Mn+, Fe2+ and carbon black; calcining for 10-40h at 500-800Deg to cool and obtain the final product. This invention improves material electrochemical property and fit to industrial production.

The invention discloses a construction method for a movable mold frame for a lock chamber wall of a ship lock. The specific construction process flow is as follows: carrying out construction preparation, assembling a movable mold frame, assembling a large template, positioning and mounting the large template, concrete pouring a single-section lock chamber wall, a movable mold frame driving the large template to walk to the next section of the lock chamber wall, disassembling the large mold plate, and disassembling the movable mold frame. According to the construction method of the movable mold frame for the lock chamber wall of the ship lock, in cast-in-place gravity type concrete lock chamber wall pouring area, compared with traditional construction adopting all-round scaffolds and simple mold frames, the labor intensity is greatly reduced, the labor amount is reduced, and the construction progress is accelerated; and the movable mold frame operation is simple, convenient and rapid, the safety and stability performance of the movable mold frame are guaranteed, the construction efficiency is high, the construction task of the lock chamber wall is completed by quality guarantee and maintenance in the node construction period, and meanwhile, the whole large template is used, and therefore the appearance quality of the lock chamber wall is effectively improved.

The invention relates to a method for treating red mud by using a soil stabilizer. The soil stabilizer, a cementing material and red mud are mixed to obtain a mixture, and then forming is carried out.A series of performance tests on unconfined compressive strength, freeze thawing resistance, water stability and the like are carried out, and results show that a pavement base course is good in performance, has better performance than a conventional process in the aspects of compressive strength, deflection value and the like, and has the advantages of improving quality, reducing manufacturing cost, saving energy, protecting the environment and the like. The method can be widely applied to the field of civil engineering, and the added value of red mud is greatly improved.

The invention discloses a rare-earth element samarium-doped modified lithium ion battery anode material and a preparation method thereof. The method comprises the following steps of: mixing a lithium source compound, a phosphor source compound, an iron source compound, a crystalline-phase element samarium-doped compound and a carbon source compound, heating at 250-400 DEG C for 5-20h, cooling and grinding to obtain a reaction precursor; and calcining the reaction precursor at 500-800 DEG C for 10-40h, cooling to obtain an LiFe1-xSmxPO4-SmPO4/C (x=0.01-0.04) composite rare-earth element samarium-doped modified lithium ion battery anode material. The invention can effectively control the structure and the grain diameter of the composite doped modified cathode material, improve the electronic conductivity of the material and the dispersion rate of lithium ions as well as the electrochemical performance of the material, also simplify the synthesis process of the material and be convenient for industrial mass production.

The invention discloses novel bendable concrete. The novel bendable concrete is prepared from the following raw materials in parts by mass: 50 to 100 parts of cement, 20 to 40 parts of gelatin powder, 15 to 30 parts of glass fibers, 10 to 20 parts of nylon fibers, 20 to 40 parts of silicon powder, 5 to 10 parts of carboxylated styrene-butadiene latex, 60 to 90 parts of sand, 3 to 8 parts of a water reducing agent and 50 to 80 parts of water. The novel bendable concrete disclosed by the invention has the characteristics of good strength, low elastic modulus, good flexibility and ductility, good heat-preservation and heat-insulation effect, good crack resistance and anti-impact strength and the like.

The invention discloses a cylindrical lithium ion battery used for a high-capacity electric tool and a preparation method thereof. The preparation method comprises the following steps: (1) stirring a conductive agent Super P, KS-6, a positive active material, a binder PVDF and NMP at a high speed, smearing the mixture on the front and back surfaces of an aluminum foil, drying, grinding, stripping, and flaking to obtain a positive plate; (2) stirring the conductive agent Super P, a negative active material, a binder and deionized water at a high speed, and finally, smearing the mixture on the front and back surfaces of the aluminum foil, drying, grinding, stripping and flaking to obtain a negative plate; (3) roasting the positive plate and the negative plate, winding, injecting electrolyte and sealing to obtain an assembly battery; and (4) forming. The cylindrical lithium ion battery for the high-capacity electric tool prepared by the method has the characteristics of excellent inner resistance, rate capability, rapid charging performance, high-current cycling performance and safety.

The invention belongs to the technical field of lithium ion batteries, and particularly relates to a lithium ion battery cathode material and a preparation method thereof and a lithium ion battery. The preparation method of the lithium ion battery cathode material comprises the following steps: (1) uniformly mixing a ternary precursor, a lithium source and an auxiliary agent, and keeping the temperature at 600-980 DEG C for 5-15 hours to obtain an intermediate product, wherein the chemical formula of the ternary precursor is NixCoyD(1-x-y)(OH)2, x is greater than 0 and less than or equal to 1,y is greater than 0 and less than or equal to 1, x+y is greater than 0 and less than 1, and D is one of Mn and Al elements, the auxiliary agent is one or more of AlF3, KF, LiF, NaCl, KCl, H3BO3 and B2O3; and (2) uniformly mixing the intermediate product with a lithium source, and keeping the temperature at 650-980 DEG C for 5-15 hours to obtain the lithium ion battery cathode material. The cathode material prepared according to the preparation method disclosed by the invention is relatively good in crystal structure and relatively high in particle consistency; when the material is used as a cathode active material for a lithium ion battery, the lithium ion battery has relatively high energy density.

The invention relates to a low-temperature-resistant low-hardness thermoplastic elastomer and a preparation method thereof, and belongs to the field of high-molecular elastomers. The low-temperature-resistant low-hardness thermoplastic elastomer is prepared from the following raw materials in parts by mass: 10-40 parts of polypropylene resin, 60-90 parts of powdered styrene-butadiene rubber containing carbon nanotubes, 5-20 parts of polyisobutene, 1-5 parts of a vulcanizing agent, and 0.1-1 part of an accelerant. According to the invention, styrene-butadiene rubber and polypropylene resin are taken as basic raw materials, a dynamic vulcanization technology is adopted, the powdered styrene-butadiene rubber containing carbon nanotubes is prepared by a co-flocculation process of a carbon nanotube emulsion and a styrene-butadiene rubber emulsion, the powdered styrene-butadiene rubber is blended with polypropylene resin, and low-molecular-weight polyisobutene is used for oil-filled softening to prepare the low-temperature-resistant low-hardness thermoplastic elastomer. The problem of large permanent deformation caused by poor dispersibility of the filler is solved by using the co-flocculation process of the carbon nanotube emulsion and the styrene-butadiene rubber emulsion, the hardness of the TPV product is reduced by filling the low-molecular-weight polyisobutene, and the TPV has excellent low-temperature resistance.

The present invention discloses a kind of copolymer conjugated polymers with main chain containing double bond and its preparation method and application. This kind of polymer can be obtained by using aromatic heterocyclic and fused ring compound or its derivative and diaryl ethylenes compound through the process of direct oxidation coupling reaction. Its preparation method is simple, cost is low, can batch-prepare several conjugated polymers with various structures and more complete function. These polymers can be used as luminescent material, and can be used for manufacturing light-emitting diode, electroluminescent device, photoluminescent device and other photoelectric conersion device and product.

The invention belongs to the technical field of cargo transportation trays, and discloses a novel die-cast type tray. The tray comprises a supporting plate, a plurality of supporting legs are uniformly arranged on the bottom surface of the supporting plate, and a plurality of reinforcing ribs are uniformly arranged on the supporting plate; and the supporting plate, the supporting legs and the reinforcing ribs are of an integral die-cast structure. The die-cast type tray adopts the scraps of an automobile interior trim as raw materials, and civil carpet leftover materials can further be utilized, so that the waste recycling is realized, the cost is low, the mass is relatively light, mechanical property is excellent, and high-temperature-resistant, low-temperature-resistant and corrosion-resistant are achieved.