59results about How to "Protect structural stability" patented technology

The invention discloses a high-nickel ternary lithium ion power battery electrolyte and a high-nickel ternary lithium ion power battery. The electrolyte includes a non-aqueous organic solvent, a lithium salt, a conductive additive, a film forming additive and an infiltration additive, wherein the conductive additive is lithium difluorophosphate, the film forming additive is ethylene sulfate, and the infiltration additive is at least one of fluorophosphazene and fluoroethylene carbonate; and synergism and mutual promotion of the three additives makes an excellent SEI film be formed on the surface of an electrode and effectively promotes all dynamic processes in the lithium ion battery. The power battery electrolyte has the advantages of good lithium ion transmission characteristic, good oxidation resistance, guaranteeing of high power characteristic and good cycle performances of the power battery, and high safety.

The invention belongs to the technical field of lithium ion battery preparation, and specifically relates to nickelic ternary anode material power lithium ion battery electrolyte and a preparation method thereof. The electrolyte consists of electrolyte lithium salt, a non-aqueous organic solvent and functional additives, wherein the functional additives comprise an alkyl nitrile additive, fluorinated chain carboxylate, a lithium salt additive and a cathode film forming additive; and the content of the functional additives is 0.5-10% of the weight of the electrolyte. The electrolyte provided bythe invention interacts with transition metal in a nickelic ternary anode material through the functional additives and is decomposed on the surfaces of the anode and cathode to form stable interfacefilms, so as to inhibit the metal ionic catalysis activity and decrease battery side reactions, so that the electrolyte has favorable anti-oxidant and film forming characteristics, is capable of effectively improving the high-temperature storage performance, safety performance and cycle life of nickelic ternary anode material power lithium ion batteries, effectively inhibiting the generation of battery expansion and ensuring the high power characteristic of the batteries at the same time.

The invention provides a conductive fabric and a preparation method thereof. The conductive fabric comprises, from inside to outside, an adhesive force improving layer attached to the surface layer ofa fabric substrate, a liquid metal layer, an oxygen isolation protective layer and a packaging protective layer. The preparation method comprises: applying the adhesive force improving layer to the surface layer of a fabric substrate, coating the adhesive force improving layer with the liquid metal layer, coating the liquid metal layer with the oxygen isolation protective layer, and coating the oxygen isolation protective layer with the packaging protective layer. The coating manner includes spraying, brush coating, flow coating or printing. Compared with a conductive fabric in the prior art,the conductive fabric is excellent in conductivity, fold resistance, laundering durability and tensile property. The preparation method is simple and reliable.

The invention provides an anode material, an anode and a lithium ion battery, and relates to the technical field of lithium ion batteries. The anode material includes the following components in weight percentage: 59-90% of anode active materials, 9.5-40% of lithium and manganese enriched solid solution materials, 0.1-10% of a conductive agent and 0.1-10% of an anode binder. Through adopting the anode material, the technical problems in the prior art that the preparation technology is complicated, the condition is strict, the cost is high and the effective control to the lithium supplement amount is difficult in reality as lithium powder or lithium sheets is adopted as a lithium supplement material in the silica-based cathode lithium ion battery are alleviated, so that the technical effects that preparation technology is simplified, and the lithium supplement cost is reduced are reached.

A lightning protection system for a tower of a wind turbine is provided. The tower includes a reinforced concrete tower wall in which a plurality of electrically conductive structural reinforcing elements are embedded during construction. The lightning protection system includes a plurality of the structural reinforcing elements connected in an electrically conductive manner with each other and with a ground terminal. Further, a method of incorporating such a lightning protection system in a reinforced concrete tower, and a wind turbine with such a lightning protection system is provided.

The invention, which relates to the scientific field of nano composite materials, aims at providing a preparation method of a nickel-cobalt-phosphorus-carbon-nickel hydroxide ternary composite electrode material. The method comprises the following steps: growing a nickel-cobalt sheet wire nano-array substrate on the surface of foamed nickel by using nickel nitrate hexahydrate, cobalt nitrate hexahydrate, ammonium fluoride and urea, carrying out immersion in a glucose solution and heat treatment in an argon atmosphere, and then carrying out reaction with sodium hypophosphite to obtain a nickel-cobalt-phosphorus-carbon nano array; and then making a reaction with nickel chloride hexahydrate and urea; to be specific, enabling the nickel chloride hexahydrate reacts with the urea to obtain foamed nickel loaded with a nickel-cobalt-phosphorus-carbon-nickel hydroxide nano-array. The preparation method has advantages of simple process and strong operability; the nanor array can grows directly on the foamed nickel substrate; and the prepared electrode can be used as the electrode of a super capacitor directly, so that the super capacitor has the broad application prospects. Therefore, the cycle performance, overall specific capacitance and energy density of the electrode material can be improved; and the thus the electrode has the higher energy density and excellent cycle performance.

The invention discloses a procyanidine microcapsule. The procyanidine microcapsule is prepared from 0.1 to 5% of procyanidine, 1 to 30% of a lipophilic emulsifier, 1 to 10% of chitosan, 1 to 10% of glacial acetic acid, 1 to 30% of water, 0.005 to 0. 1% of glutaraldehyde and the balance of liquid fat all in percent concentration by mass. The invention further provides a preparation method of the procyanidine microcapsule, comprising the following steps: heating and dissolving procyanidine, chitosan and glacial acetic acid in water to obtain an aqueous-phase component; carrying out hybrid heating on the lipophilic emulsifier and liquid fat and uniformly dispersing to obtain an oil-phase component; slowly adding the aqueous-phase component to the oil-phase component while stirring to obtain uniform emulsion; adding glutaraldehyde to the emulsion to be solidified, then successively carrying out centrifugation and washing with ethanol and petroleum ether, dispersing and air-drying acetone to obtain the procyanidine microcapsule. According to the procyanidine microcapsule disclosed by the invention, procyanidine can be separated from the external environment to effectively avoid strong destructive effects on procyanidine caused by external environment of straight sunshine and the like.

The invention provides a preparation method of a silicon dioxide aerogel/hollow glass bead compound. The invention further provides a light composite rubber, which is prepared from a main antioxidant,a plasticizer, raw silicone rubber, a flame retardant, a lubricant, an auxiliary antioxidant, a vulcanizing agent and the silicon dioxide aerogel/hollow glass bead compound. The invention further provides a preparation method of the light composite rubber. The provided light composite rubber has the characteristics of light weight, high strength, flame retardance, environment friendliness, excellent heat insulation performance and the like.

A reduction gearbox transmission separation mechanism includes a box. A first shaft and a second shaft are disposed in the box. The first shaft is sleeved with a linkage gear, a rotating block, a moving block, and a fixed block. The linkage gear is used for linking the first shaft and the second shaft. The linkage gear is a transmission part in a gear transmission assembly or a worm wheel and worm transmission assembly or a gear worm transmission assembly. The first shaft includes a linkage segment and a fitting segment. The linkage gear is rotatably sleeved on the fitting segment. The moving block is disposed on the linkage segment, and the moving block is axially movable along the linkage segment.

The invention relates to a water-soluble glabridin microcapsule which is prepared from the following materials in mass percent concentration: 0.1 to 5% of water-soluble glabridin, 1 to 30% of lipophilic emulsifier, 1 to 10% of chitosan, 1 to 10% of glacial acetic acid, 1 to 30% of water, 0.005 to 0.1% of glutaric dialdehyde and the balance of liquid-state grease. The invention further provides a preparation method of the microcapsule. The preparation method comprises the steps of heating and dissolving the water-soluble glabridin, the chitosan and the glacial acetic acid into the water to obtain a water-phase component; mixing, heating and evenly scattering the lipophilic emulsifier and the liquid-state grease to obtain an oil-phase component; adding the water-phase component into the oil-phase component in stirring to obtain lactescence; adding the glutaric dialdehyde into the lactescence for curing, and sequentially performing centrifuging, washing with ethanol and petroleum ether, acetone scattering and air drying to obtain the water-soluble glabridin microcapsule. The water-soluble glabridin microcapsule of the invention has the advantages of good biocompatibility, good safety and a good slow-release effect, thus improving absorption and permeation on skin.

The invention relates to a comprehensive evaluation method of the health condition of an ancient architecture channel drainage system and belongs to the ancient pipeline assessment field. According to the method, channel data including channel CAD drawings, as well as photographs and images taken by robots are collected through using modern pipeline detection technologies before ancient architecture channel defect assessment is performed, and therefore, the basic information, such as the structures and sizes of the pipelines can be systematically, comprehensively and authentically mastered; ancient architecture channel defects are classified systematically, namely, the ancient architecture channel defects are classified into structural defects and functional defects, and the various defects are defined and described in detail, and the degrees of the channel defects are graded, and defect levels are determined, and complete assessment is performed on the ancient architecture channel defects. With the method adopted, references can be provided for the defect assessment of the ancient architecture channel drainage system.

The invention discloses a belt guide device for a pipeline winding machine. The belt guide device comprises a first supporting structure and a second supporting structure. A moving guide wheel mechanism is fixed to the first supporting structure, a swing guide roller mechanism is fixed to the second supporting structure, and then the pitch of an enhancement belt wound around a pipeline is adjusted. The swing guide roller mechanism comprises a first guide roller, a second guide roller and a fine adjustment guide roller mechanism. The first supporting structure and the second supporting structure are connected through a telescopic mechanism. One end of the first supporting structure and one end of the second supporting structure are rotationally connected, and connection through a hinge seat is adopted as the rotational connection manner. By means of the moving guide wheel mechanism, the swing guide roller mechanism and the fine adjustment guide roller mechanism, the structural stability of the enhancement belt is protected; the amplitude of swing of the swing guide roller mechanism is adjusted, and then the pitch of the enhancement belt wound around the pipeline is adjusted; and the belt guide device is suitable for pipelines of different specification diameters, the structural flexibility of the belt guide device is improved, and the application range of the belt guide device is widened.

The invention relates to the field of medicines, in particular to a resveratrol particle and a preparation method thereof. The preparation method comprises the following steps: dissolving a carrier inwater to obtain a carrier aqueous solution, wherein the carrier is one or more of hydroxypropyl-beta-cyclodextrin, hydroxypropyl-gamma-cyclodextrin, chitosan or isolated whey protein; dissolving resveratrol in the carrier aqueous solution, and oscillating to prepare a precursor solution; and filtering the precursor solution, and preparing the resveratrol particle by adopting a microfluidic sprayprocess, wherein the microfluidic spray process is a microfluidic spray drying technology or a microfluidic spray freeze drying technology. The resveratrol particle with uniform size, uniform performance and regular morphology is prepared by adopting a laboratory-grade microfluidic spray process, and has the advantages of high release amount and strong oxidation resistance, and meanwhile, the technical problem that the resveratrol is easily interfered by factors such as light, heat and oxygen to lose bioactivity is solved.

The invention discloses a band guide device of an enhancing band winding machine. The band guide device comprises four guide rail bases distributed in a rectangular shape. A fixing frame is installedon the four guide rail bases. The fixing frame is provided with an inclined first electric push rod and a horizontally-arranged second electric push rod. One end of the fixing frame is rotationally connected with a turnover support, and the turnover support is provided with a line coil. By means of structural design of a sliding mechanism and a turnover mechanism, the device can be applicable to pipelines with different specifications of diameters, the structure flexibility of the band guide device is improved, the application range of the band guide device is widened, structural stability ofan enhancing band is protected, damage is avoided, and the device has the good economic value and application prospect.

The invention discloses a colored easy open end printing and coating process. The process comprises the following steps that a base material is provided, and the base material is sheared to obtain a base material sheet; patterns are printed on the front surface and/or the back surface of the base material sheet; the front surface of the base material sheet is coated with a base coating layer containing colors; a transparent surface coating layer is coated on the base coating layer; the back surface of the base material sheet is coated with a color-containing base coating layer; a transparent surface coating layer on the base coating layer; and the base material sheet is stamped to form a base end. According to the printing and coating process, after the color-containing base coating layeris coated on the surface of the easy open end base material sheet, the transparent surface coating layer is coated on the base coating layer, the surface coating layer provides a protective film for the base coating layer, the stretch resistance and the adhesiveness of the base coating layer are enhanced, the patterns on the surface of the easy open end and the structural stability of the base coating layer are protected, the defects of paint falling, pattern scraping and the like of the patterns and the colored coating layer on the surface of the easy open end are reduced, the corrosion resistance and the scraping resistance of the easy open end are enhanced, and the quality requirement of the colored easy open end is met.

The orthopedic shoe comprises a vamp, an orthopedic insole and a shoe sole, and is characterized in that a reinforcing supporting structure is arranged on the inner edge of the foot arch of the inner side of the shoe sole, a door-shaped reinforcing support is arranged on the foot arch of the outer side of the shoe sole, and the door-shaped reinforcing support is arranged on the inner edge of the foot arch of the outer side of the shoe sole. The starting point of the door-shaped reinforcing support is the fifth metatarsal bone on the outer side of the foot, the stopping point of the door-shaped reinforcing support is the most protruding position on the outer side of the heel bone, and the reinforcing support structure, the door-shaped reinforcing support and the shoe sole are of an integrally-formed structure. The reinforcing support structure of the orthopedic shoe, the door-shaped reinforcing support and the sole below the door-shaped reinforcing support form three force bearing points, and under the condition that the force bearing direction of one point is opposite to the force bearing directions of the other two points, the force bearing direction of the door-shaped reinforcing support is adjusted according to the acting force, the counter-acting force, the force decomposition law and the lever balance principle. The foot correcting effect is generated through the interaction of the three-point force principle, posture balance is achieved in biomechanics, and the foot massager is convenient to wear, does not affect daily activities and even can participate in physical exercises.