Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

34results about How to "Improved performance characteristics" patented technology

Preparation process of environment-friendly low-energy-consumption hydrogen storage alloy material

PendingCN119194143AImproved performance characteristicsGood environmental characteristicsHydrogenEnergy technologyMaterials preparation
The invention discloses a preparation technology of an environment-friendly low-energy-consumption hydrogen storage alloy material. The preparation technology comprises the following steps that S1, raw materials are selected and pretreated; s2, wet ball milling and mixing; step S3, drying and forming; s4, performing subsequent processing and detection; the low-energy-consumption hydrogen storage alloy material with excellent hydrogen storage performance and environmental protection characteristic can be prepared through the process, and the method not only reduces energy consumption and environmental pollution in the preparation process, but also improves the performance and quality of an alloy product; the prepared hydrogen storage alloy material has a porous structure, so that rapid absorption, release and diffusion of hydrogen are facilitated, and the hydrogen storage efficiency is improved; by means of the process, energy consumption and environmental pollution are reduced, the performance and stability of the hydrogen storage alloy material are improved, and powerful support is provided for development of the hydrogen energy technology.
Owner:JIANGXI HAOYUN TECH

Cigarette filter stick forming paper containing bamboo ultrafine powder and preparation method of cigarette filter stick forming paper

The invention relates to the technical field of cigarette manufacturing, and discloses cigarette filter stick forming paper containing bamboo ultrafine powder and a preparation method thereof, the cigarette filter stick forming paper comprises the following raw materials by mass: 40-60 parts of wood pulp cellulose, 0-35 parts of tobacco stem ultrafine powder, 10-30 parts of bamboo ultrafine powder, 20-30 parts of a modified calcium carbonate filler, 12-16 parts of essence and 1-6 parts of a cigarette paper additive; the modified calcium carbonate is obtained by compounding calcium carbonate with zeolite powder and then modifying with glyceryl triacetate. By means of the method, smoke can have the fresh and sweet fragrance of bamboos, the smoke is enriched, the smoke state and the fragrance style are improved, offensive odor and irritation of tobaccos are reduced, and the smoking quality of cigarettes is improved.
Owner:CHONGQING CHINA TOBACCO IND CO LTD

Viscous damper structure

The utility model belongs to the technical field of damping vibration attenuation, and particularly relates to a viscous damper structure which comprises a damping cylinder body, a viscoelastic damping body is arranged at the top of the damping cylinder body in a sealing mode, a viscous damping body is filled in the damping cylinder body, and a movable shaft body penetrates through the middle of the viscoelastic damping body. One end of the movable shaft body extends into the viscous damping body and is provided with a movable terminal; the movable shaft body is of a hollow structure and is internally provided with an adjusting shaft, one end of the adjusting shaft is provided with an adjusting disc abutting against the movable terminal, and the movable terminal and the adjusting disc are provided with damping adjusting holes which are aligned in a one-to-one mode. The viscoelastic damping body is made of a pouring type high-damping material, has excellent vibration reduction characteristic, waterproof performance and sealing characteristic and basically has no additional rigidity, and the viscous damping body is made of a liquid type high-damping material, and is excellent in damping function and simple in structure; and meanwhile, the size of the damping adjusting hole in the movable terminal can be adjusted by rotating the adjusting disc, so that the purpose of adjusting the damping is achieved.
Owner:QINGDAO AGGREGATE SIWEI TECH CO LTD

Separator for aluminum electrolytic capacitor and aluminum electrolytic capacitor

Provided is a separator for an aluminum electrolytic capacitor, which is formed of natural cellulose fibers and beaten regenerated cellulose fibers and has excellent tear strength, short circuit resistance and impedance characteristics. The separator for an aluminum electrolytic capacitor is sandwiched between the anode and cathode of the aluminum electrolytic capacitor, is formed of 50 to 90% by mass of natural cellulose fibers and 50 to 10% by mass of beaten regenerated cellulose fibers, and has a tear index of 20 to 100 mN·m 2 / g, and the short-circuit rate when 500V is applied in the separator dielectric breakdown test is 10% or less.
Owner:NIPPON KODOSHI

Scroll compressor with oil return for refrigerant-oil mixtures

The present invention relates to a scroll compressor (1) with oil return for refrigerant-oil mixture, the scroll compressor (1) comprising a housing element (2) and a fixed scroll (3), wherein the housing element (2) is connected to the fixed scroll (3) by means of a seal (4) such that an outlet chamber (6) is formed between the housing element (2) and the fixed scroll (3), wherein, for oil separation and oil return purposes, an oil separation chamber (9) having a high-pressure refrigerant outlet (10) and an oil collection area (13) and an oil return passage (12) toward a suction pressure chamber (15) are arranged downstream of the outlet chamber (6), the scroll compressor being characterized in that an outlet chamber discharge member (11) for discharging oil into the oil return passage (12) of the oil separation chamber (9) is formed in the lower region of the outlet chamber (6) relative to the ground.
Owner:HANON SYST CO LTD

Preparation method and application of aperture-adjustable two-dimensional MXene-conducting polymer layered separation membrane

The invention belongs to the technical field of membrane separation, and provides a preparation method and an application method of an aperture-adjustable two-dimensional MXene-conducting polymer layered separation membrane. The two-dimensional MXene-conductive polymer layered separation membrane is a two-dimensional MXene membrane prepared by vacuum-assisted filtration, a conductive polymer monomer is embedded between membrane layers, and then the two-dimensional MXene-conductive polymer layered separation membrane is prepared by in-situ electrochemical polymerization; the method has the advantages that preparation is simple, operation is easy, and expensive equipment is not needed; the mechanical stability and the oxidation resistance of the film structure are greatly improved through the conducting polymer in the film layer, and the conductivity and the electrochemical capacitance characteristic are excellent; the membrane can be used as a desalination membrane and a conductive electrode at the same time, potential is applied to the surface of the membrane, the membrane pore size can be regulated and controlled through electrochemistry, and controllable regulation of water flux and selective separation of monovalent salt, divalent salt and dye molecules are achieved.
Owner:SHANDONG UNIV

Variable cycle / self-adaptive engine performance design method based on core engine derivation

The invention discloses a variable cycle / self-adaptive engine performance design method based on core engine derivation. The method comprises the following steps that S1, a basic small-bypass-ratio turbofan engine derives three types of different design parameters with different engine active values; s2, after different design parameters are actively selected, respective core machine matching parameters are determined; s3, determining respective iteration value design parameters and derived design constraint conditions after determining respective core machine matching parameters; s4, performing iterative solution by using a Newton-Raphson method; s5, if the iterative solution is successful, establishing a simulation performance model of each derivative engine, and carrying out corresponding overall performance simulation calculation; and S6, if the iterative solution fails, returning to the step S1 and the step S2 to readjust the active value design parameters and the core machine matching parameters. By the adoption of the variable cycle / self-adaptive engine performance design method based on core engine derivation, good performance characteristics are shown, and the expected effect is met.
Owner:BEIHANG UNIV

A method for preparing high-purity electronic-grade titanium dioxide from ilmenite

This application discloses a method for preparing high-purity electronic-grade titanium dioxide from ilmenite, belonging to the field of titanium dioxide preparation technology. The method includes steps such as raw material processing, concentrated sulfuric acid acidolysis, sedimentation and filtration, FeSO4 crystallization and separation, preparation of hydrated titanium dioxide, washing and bleaching of hydrated titanium dioxide, acidolysis of hydrated titanium dioxide, secondary hydrolysis, washing and filtration, and calcination. This method effectively removes various impurities such as iron, phosphorus, niobium, and zirconium through acidolysis, secondary hydrolysis, and multiple fine washing operations on the hydrated titanium dioxide intermediate. The resulting titanium dioxide product has a purity of over 99.9%, providing a new route for preparing high-purity electronic-grade titanium dioxide from ilmenite.
Owner:HUBEI YAXING ELECTRONIC MATERIALS CO LTD

Broadband electrostatic transient pulse protection module

The invention discloses a broadband electrostatic transient pulse protection module, and relates to the technical field of electrostatic protection devices. The input end of the protection circuit is divided into two paths after passing through a first terminal load Tem1, the first path is grounded through a gas discharge tube X9, the second path is connected with one end of an inductor L7, the other end of the inductor L7 is divided into three paths, the first path is connected with one end of an impedance conversion network V1, the second path is grounded through a transient suppression diode X2, and the other end of the inductor L7 is connected with the other end of the impedance conversion network V1. The third path is grounded through a transient voltage suppressor X3 and a transient voltage suppressor X4 in sequence; the other end of the impedance conversion network V1 is divided into three paths, the first path is connected with one end of the impedance conversion network V2, the second path is grounded through a transient suppression diode X5, and the third path is grounded through a transient suppression diode X6; the other end of the impedance conversion network V2 is divided into three paths, the first path is connected with one end of an inductor L6, and the second path is grounded through a transient suppression diode X7. The protection circuit can effectively improve the electrostatic pulse protection performance and has good transmission characteristics.
Owner:ARMY ENG UNIV OF PLA

A high-strength flame-retardant polypropylene foam material and preparation method thereof

The present invention relates to the field of foaming materials, and in particular to a high-strength flame-retardant polypropylene foaming material and a preparation method thereof. The polypropylene foaming material is calculated by weight and comprises: 75-95 parts of polypropylene resin, 5-10 parts of toughening agent, 6-12 parts of composite flame retardant, 1.8-4.2 parts of foaming agent, 1-3 parts of lubricant and 0.2-0.8 parts of antioxidant. The flame retardant used in the present invention is a composite flame retardant. Compared with conventional flame retardants, which need to be added to polypropylene materials in an amount of more than 20%, the composite flame retardant of the present invention only needs about 10% to achieve excellent flame retardant effect, which not only solves the problem of insufficient foaming ratio of polypropylene materials, but also improves the mechanical properties of polypropylene materials to a certain extent.
Owner:SOUTH CHINA UNIV OF TECH

Negative electrode for lithium secondary battery and method for manufacturing the same

PendingCN122603409AImproved performance characteristicsImprove life characteristics
The present disclosure relates to a negative electrode and a method of manufacturing the same. The negative electrode includes a silicon-based negative electrode active material and a carbon-based negative electrode active material to have excellent charge / discharge capacity and energy density, and to have excellent fast charging performance and lifespan characteristics because the carbon-based negative electrode active material included in each negative electrode active layer is oriented to have a predetermined inclination with respect to a negative electrode current collector.
Owner:LG ENERGY SOLUTION LTD

Active noise reduction display system

The present invention relates to the field of signal processing technology, specifically to an active noise reduction and noise display system, including hardware noise reduction and software noise reduction. The hardware noise reduction uses a low-frequency power amplifier to reduce energy consumption, and the software noise reduction uses a single-chip microcomputer as a controller to display the noise collected by the noise collection circuit on a liquid crystal screen. The hardware noise reduction circuit of the present invention uses a low-frequency power amplifier to minimize energy consumption, and the software part uses a single-chip microcomputer as a controller to display the noise collected by the noise collection circuit on a liquid crystal screen. This system can realize a noise display circuit based on active noise reduction technology, can monitor the noise status in real time, can realize a noise display circuit based on active noise reduction technology, can monitor the noise status in real time, and the active noise reduction technology can filter out noise more effectively and conveniently; active noise reduction has better performance characteristics.
Owner:QUJING POWER SUPPLY BUREAU YUNNAN POWER GRID CO LTD

Water-based formaldehyde-free adhesive and preparation method thereof

The invention relates to the technical field of adhesives, and discloses a water-based formaldehyde-free adhesive. Comprising the following raw materials in parts by weight: 4-6% of polyvinyl alcohol, 3-6% of silica sol, 0.2% of ethylene glycol, 1% of glutinous rice flour, 5-8% of water-soluble starch, 2% of glass fiber powder, 0.2% of starch ether, 0.2-0.3% of a slow drying agent, 0.2% of a preservative, 0.3% of a mildew preventive, 0.1% of a defoaming agent, 0.2% of a penetrant, 0.1% of a diluent, 8-10% of malt syrup, 0.3% of AMP-95 and 0-2% of pure wood fibers. According to the water-based formaldehyde-free adhesive and the preparation method thereof, the water-based formaldehyde-free adhesive adopts non-toxic and harmless raw materials, use of harmful substances such as formaldehyde is avoided, aldehydes are not generated in the preparation and use process, harm to the environment and human bodies is effectively reduced, the environment-friendly standard is met, the requirement of people for healthy life is met, and meanwhile, the water-based formaldehyde-free adhesive has the advantages of being environmentally friendly, safe and reliable. According to the optimized formula, the bonding performance of the adhesive is remarkably improved, bonding is firmer and more durable, and the adhesive is suitable for bonding of various materials such as wood, paper, cloth and plastic and is wide in application range.
Owner:GUIZHOU HENGYUANCHUN MANUFACTURING CO LTD

Power generation assembly and waveform winding of electric machine

The invention relates to a power generation assembly of an electric machine. The invention relates to a stator for a motor vehicle, comprising an annular laminated core having a plurality of radially arranged slots (N1,..., N72) and a wave winding having at least one continuous first, second and third conductor (U1, U2, U3), which is respectively guided through adjacent slots (N1,..., N72) for a plurality of turns, said conductor forming a composite conductor. The composite conductor has a slot step in which the first conductor (U1), the second conductor (U2) and the third conductor (U3) each span the same number of slots (N1,..., N72), and in which there is a layer change. The composite conductor further has at least one slot step change which causes the first conductor (U1), the second conductor (U2) and the third conductor (U3) to exchange their arrangement with each other in the composite conductor after the slot step change. In order to improve the efficiency and operational stability of the electric machine, at least one slot step change is made within each turn of the composite conductor.
Owner:ZF FRIEDRICHSHAFEN AG

Core-shell aluminized thermite, preparation method and application in biomass blasting device

ActiveCN118307375BImproved performance characteristicsImprove combustion characteristicsFerric oxidesExplosivesEmulsionPolyvinyl alcohol
The application belongs to the technical field of nanocomposites, and particularly relates to a core-shell type thermite, a preparation method and application in a biomass blasting device. The preparation method comprises the following steps: S1, adding fly ash into a hydrochloric acid solution to dissolve the fly ash, then filtering to obtain a filtrate, adding a sodium hydroxide solution into the filtrate, then performing stirring, filtering and drying treatment to obtain a precipitate, calcining the precipitate to obtain iron oxide particles for standby; S2, adding aluminum powder and boron powder into an organic solvent to perform ultrasonic mixing, then performing heating and stirring to volatilize the organic solvent to obtain an aluminum-boron compound, and drying for standby; S3, adding the iron oxide particles, the aluminum-boron compound and an adhesive into an acetone solution to mix uniformly to obtain a mixture, performing stirring and ultrasonic treatment on the mixture to obtain a suspension; adding a polyvinyl alcohol emulsifier into deionized water and performing heating and stirring to obtain an emulsion; S4, in a high-speed dispersion homogenizer, adding the suspension dropwise into the emulsion to wrap the suspension in the emulsion to obtain an oil-in-water emulsion, and performing evaporation, filtering, washing and drying treatment on the oil-in-water emulsion to obtain the core-shell type nano thermite.
Owner:ANHUI UNIV OF SCI & TECH

A phenolic epoxy anticorrosive coating and its preparation method and application

The invention discloses a phenolic epoxy anticorrosive coating and a preparation method and application thereof, and belongs to the technical field of anticorrosive coating. The anticorrosive coating comprises component A and component B, wherein component A comprises phenolic epoxy resin, wetting dispersant, adhesion promoter, thixotropic agent, pigment, filler, solvent A, and component B comprises Mannich base curing agent and solvent B; wherein the phenolic epoxy resin is composed of phenolic epoxy resin and bisphenol A epoxy resin, the wetting dispersant is composed of copolymer containing acidic group and modified polyurethane, the adhesion promoter is composed of titanate and aromatic polyether polyol, the thixotropic agent is composed of organic bentonite and polyamide wax slurry, the pigment is composed of color pigment and zinc phosphate antirust pigment, and the filler is composed of hydrophobic filler and precipitated barium sulfate. The anticorrosive coating of the invention has excellent resistance to moisture and heat, corrosion resistance, temperature change cycle resistance, flexibility and adhesion, and can provide long-term protection for the metal substrate under the insulation layer.
Owner:山东友泉新材料有限公司

Weldable hydrogen embrittlement-resistant high-strength corrosion-resistant austenitic steel based on material calculation and preparation method thereof

PendingCN119392122AImproved performance characteristicsImprove functional propertiesIncreasing energy efficiencyHeat treatment process controlSS - Stainless steelUltimate tensile strength
The invention relates to weldable hydrogen embrittlement-resistant high-strength corrosion-resistant austenitic steel based on material calculation and a preparation method thereof. The weldable hydrogen embrittlement-resistant high-strength corrosion-resistant austenitic steel comprises the following components in percentage by weight: less than 0.03% of C, 0.27%-0.3% of N, 0.18%-0.22% of Si, 2.3%-2.5% of Mn, 15%-18% of Cr, 18%-20% of Ni, 1.4%-1.6% of Mo, 1.9%-2.1% of Co, 0.3%-1% of Nb, 0.3%-1% of V and the balance of Fe and impurities. The yield strength of the finished product is larger than 800 MPa, the tensile strength is larger than 1000 MPa, and the ductility is larger than 23%. The weldability is good; the self-corrosion potential is greater than-0.6 V, and the self-corrosion current is less than 1.5 * 10 <-5 > A / cm < 2 >. And the hydrogen embrittlement sensitivity coefficient at room temperature is less than 18%. According to the method, smelting components are accurately designed through multi-dimensional component calculation, the smelting, casting, hot rolling and heat treatment processes are optimized through full-process calculation, and the weldability, hydrogen brittleness resistance, corrosion resistance and mechanical properties of the austenitic stainless steel are improved.
Owner:ANSTEEL BEIJING RES INST CO LTD

Waste runway reclaimed rubber powder prefabricated rubber runway and preparation method thereof

PendingCN119639096AImproved performance characteristicsExcellent mechanical propertiesPlastic recyclingStearic acidAccelerant
The invention belongs to the field of materials, and particularly relates to a waste runway reclaimed rubber powder prefabricated rubber runway and a preparation method thereof. The rubber runway provided by the invention is prepared from the following components in parts by mass: 200 to 300 parts of waste plastic runway reclaimed rubber powder, 10 to 20 parts of chlorinated polyethylene rubber, 40 to 60 parts of solution polymerized styrene-butadiene rubber, 30 to 50 parts of isoprene rubber, 1.5 to 5 parts of anti-aging agent, 1 to 3 parts of accelerant DM, 0.2 to 0.6 part of accelerant TMTD, 1.5 to 5 parts of sulfur, 10 to 30 parts of naphthenic oil, 1 to 4 parts of stearic acid, 15 to 40 parts of white carbon black, 2 to 10 parts of zinc oxide and 15 to 30 parts of iron oxide red. Recycling of the waste plastic track material is achieved, and good economic benefits and environmental benefits are achieved.
Owner:HUNAN SHENGYA SPORTS IND CO LTD

Artificial graphite material as well as preparation method and application thereof

The invention relates to the field of graphite, in particular to an artificial graphite material and a preparation method and application thereof. The preparation method and the application of the artificial graphite material comprise the following steps: weighing the following raw materials in percentage by weight: 80-95% of a carbon source, 1-5% of a catalyst and 0-10% of an additive; uniformly mixing the raw materials to obtain a mixture; performing heat treatment on the mixture in an inert atmosphere to obtain a precursor material; and carrying out graphitization treatment on the precursor material at high temperature to obtain the artificial graphite material. According to the artificial graphite material and the preparation method and application thereof, the ratio of the carbon source, the catalyst and the additive is reasonably adjusted, so that the performance of the material is remarkably improved, the carbon source comprises petroleum coke, needle coke, pitch coke and the like, the catalyst comprises iron, cobalt, nickel and the like, and the additive comprises silicon, boron, phosphorus and the like; the reasonable proportioning of the raw materials can improve the conductivity, thermal stability, mechanical strength and other properties of the material.
Owner:SUZHOU KORIDA TECHNOLOGY CO LTD

Nitrogen and phosphorus dual-doped porous carbon with controllable pore structure and preparation method thereof and negative electrode material

ActiveCN119018893BImproved performance characteristicsImprove surface propertiesCarbon compoundsCell electrodesOligomerPorous carbon
The present invention relates to a nitrogen-phosphorus dual-doped porous carbon with controllable pore structure, a preparation method thereof and a negative electrode material. The preparation method of nitrogen-phosphorus dual-doped porous carbon with controllable pore structure comprises: providing 10 to 80 parts of resin oligomers, 1 to 50 parts of phosphorus-containing compounds and 1 to 50 parts of nitrogen-containing compounds for polymerization, cross-linking and curing to obtain a cured resin; carbonizing the cured resin at a temperature of 300 to 800°C in a nitrogen or argon atmosphere to obtain a carbonized resin; activating the carbonized resin to obtain a pore structure material; washing with water and acid-base washing, and drying; mixing the dried pore structure material with a nitrogen-phosphorus surface dopant, and performing surface doping at high temperature to obtain a surface dual-doped porous carbon; performing ultrasonic water washing, alkali washing, acid washing and rinsing, and drying and breaking up and grading to obtain a crushed nitrogen-phosphorus dual-doped porous carbon with controllable pore structure. The present invention provides a high-performance and structurally controllable nitrogen-phosphorus dual-doped porous carbon material.
Owner:SHENZHEN SOLID ADVANCED MATERIALS TECH CO LTD

Preparation method and application of graphene-like material

The invention relates to a preparation method and application of a graphene-like material, and belongs to the field of new materials. According to the preparation method, carbon and nitrogen element materials in the dye are utilized, the pollution problem of the dye is solved, a novel process for preparing the graphene-like material is further provided, (1) magnesium salt, aluminum salt and hexamethylenetetramine serve as raw materials to prepare magnesium aluminum-layered double hydroxides (LDH), and the adsorption performance of the magnesium aluminum-layered double hydroxides (LDH) is improved through treatment of hydrochloric acid and a NaCl aqueous solution; (2) adsorbing the waste dye containing carbon and nitrogen elements by taking LDH as an adsorbent, and then carrying out high-temperature reaction in a nitrogen atmosphere to obtain a carbon-containing layered bimetal oxide (LDO-C); and (3) taking out the carbon material from the LDO through hydrochloric acid hydro-thermal treatment to obtain the graphene-like material. The method has the advantages of easily available raw materials and simple process, and realizes effective utilization of wastes. The obtained graphene-like material can be used as a capacitor negative electrode material and has excellent electrochemical performance. According to the invention, the preparation cost of the graphene material is reduced, the resource utilization rate is increased, the pollution is reduced, and the win-win situation of economic and environmental benefits is realized.
Owner:CHONGQING UNIV OF POSTS & TELECOMM

Gelatin coated TiO2-polypyrrole composite material as well as preparation method and application thereof

The invention belongs to the technical field of water purification materials, and particularly relates to a gelatin coated TiO2-polypyrrole composite material as well as a preparation method and application thereof. The preparation method comprises the following steps: adding the polysorbate-80 into the paraffin oil, and stirring at 30-60 DEG C for 20-50 minutes to obtain an oil phase; heating water to 40-60 DEG C, then adding gelatin and the TiO2-polypyrrole composite precursor material, and stirring for 20-50 minutes to obtain a water phase; adding the water phase into the oil phase, and stirring for 30-60 minutes to obtain a mixed solution; and cooling the obtained mixed solution to 2-10 DEG C, then adding ethanol, stirring for 15-40 minutes, then sequentially washing with acetone and isopropanol, and freeze-drying the obtained solid matter, thereby obtaining the product. The polypyrrole and the gelatin contain functional groups such as amino groups, carboxyl groups and the like, and can form a complex with lead ions, so that the adsorption activity of the nano TiO2 material can be effectively improved, and the lead removal performance of the material is improved. The composite material disclosed by the invention shows very good removal rate and adsorption efficiency on lead ions in water.
Owner:GUANGZHOU KUANGRUI ENVIRONMENTAL TECH

Method for forming diamond-like carbon film

PendingCN121951485AChange surface ductilityImproved performance characteristicsChemical vapor deposition coatingCarbon filmDiamond-like carbon
The forming method of the diamond-like carbon film comprises the following steps: carrying out polishing treatment on the surface of a base material by using a positive electrode electron beam so as to remove oxides and pollutants on the surface; a diamond-like carbon film is deposited on the surface of the base material, and the flow and the deposition rate of reaction gas are continuously adjusted in the deposition process; and carrying out annealing treatment on the diamond-like carbon film. The method is simple and efficient, the surface ductility of the diamond-like carbon film can be effectively changed, the mechanical property and the surface characteristic of the diamond-like carbon film are improved, and the failure phenomena such as cracking are avoided, so that the application effect is improved, the service life is prolonged, and the application range is expanded.
Owner:SAE TECH DELEVOPMENT DONGGUAN

Manufacturing method of spraying type inductor

The invention relates to a manufacturing method of a spraying type inductor, and aims to improve the performance and the production efficiency of the inductor. The method comprises the following steps: winding a square coil by adopting a flat copper wire of which the surface is coated with insulating paint, and stripping the insulating paint at a leading-out end. The magnetic coating containing flaky iron-silicon-chromium magnetic powder, polyimide resin and a solvent is prepared after being immersed in a silane coupling agent for treatment, and it is ensured that the materials are evenly mixed. Then, a spray gun is used for spraying magnetic paint on the surface of the coil from multiple angles, and after air drying, baking treatment is conducted in an oven protected by nitrogen; and finally, bending the pin, pressing the pin into the coating, and carrying out electroplating treatment to obtain a finished inductor. The inductor has the beneficial effects that the short circuit risk is reduced, and the reliability of the inductor is improved; the filling efficiency of the magnetic material is improved through the spraying process, and material waste is reduced; the production process is simplified, the production time is shortened, and the production cost is reduced.
Owner:HUNAN INSTITUTE OF ENGINEERING

Negative electrode for all-solid-state battery and all-solid-state battery comprising same

The present invention relates to a negative electrode for an all-solid-state battery capable of providing an all-solid-state battery exhibiting excellent contact characteristics and improved lifespan characteristics between a negative electrode and a solid electrolyte, and an all-solid-state battery comprising the same.
Owner:LG ENERGY SOLUTION LTD +1

Method for preparing solid electrolyte and solid electrolyte

The present invention relates to a method for preparing a solid electrolyte, the method comprising a step (S1) of preparing a precursor mixture by mixing a sulfide-based solid electrolyte raw material and a solvent having a relative polarity with respect to water of 0.15 or less, and a step (S2) of heat-treating the precursor mixture, and the amount of the solvent is greater than 2% by weight and less than or equal to 5% by weight, based on the total amount of the precursor mixture.
Owner:LG CHEM LTD

Breathable paving structure for improving growth environment of ancient trees

PendingCN119640648AIncrease water permeability and breathabilityimprove aestheticsClimate change adaptationSoil drainageRoot growthTree trunk
The invention relates to a breathable pavement structure for improving the growth environment of an ancient tree, which comprises keels arranged around the trunk of the ancient tree, an overhead layer and plates, the overhead layer comprises foundation columns arranged underground at intervals, embedded iron and support columns connecting the embedded iron and the keels, a blind ditch is formed in the position, at the downstream position of the site drainage slope, in the empty space, a U-shaped resin drainage groove is formed in the blind ditch, the U-shaped resin drainage groove is covered with a stainless steel rainwater grate, and the blind ditch is connected with a water collecting well or a municipal drainage system through a drainage pipeline. And the earth surface of the empty space area is provided with a drainage gradient which is inclined towards the blind ditch direction by 0.5-1%. According to the breathable paving structure, through the design of the breathable paving system for improving the growth environment of the ancient tree, the influence of hard ground paving on root growth of the ancient tree is effectively relieved, the water permeability and the air permeability of soil are improved, it is ensured that no water is accumulated around the ancient tree through the drainage system, and the risk of root rot is reduced.
Owner:BEIJING RUJING ECOLOGICAL LANDSCAPING CO LTD

Bifunctional co-solvent wide-temperature lithium ion battery electrolyte and application thereof

This invention relates to a bifunctional co-solvent wide-temperature lithium-ion battery electrolyte and its application. The wide-temperature lithium-ion battery electrolyte is composed of lithium salt, organic solvent, thionyl chloride, tris(trimethylsilane)phosphate, and additives. The lithium-ion battery prepared with the bifunctional co-solvent wide-temperature electrolyte of this invention effectively broadens the operating temperature range, improves high-temperature cycle performance and low-temperature discharge performance, and features a wide operating temperature range, high specific energy, and long cycle life. Furthermore, it exhibits excellent thermal stability and good safety performance.
Owner:GUIZHOU MEILING POWER SUPPLY CO LTD

Biphase continuous spongy porous structure electrolyzed water composite diaphragm and preparation method thereof

ActiveCN119615275AImprove wettabilitylower critical solution temperatureOrganic diaphragmsAlkaline waterElectrolysed water
The invention discloses an electrolyzed water composite diaphragm which is composed of an alkali-resistant polymer and zirconium dioxide, the surface of the diaphragm is provided with a porous layer, and the interior of the diaphragm is provided with a biphase continuous porous structure. During preparation, an organic solvent and a diluent are mixed firstly, then the alkali-resistant polymer and nano zirconium dioxide particles are sequentially added to obtain a membrane casting solution; placing the membrane casting solution on a clean glass plate, and performing blade coating to prepare a liquid membrane; and finally, quickly putting into a coagulating bath, introducing an additive into the membrane casting solution, forming microscopic phase separation in advance by utilizing temperature, then carrying out solvent replacement, and enabling the liquid membrane to fall off from the glass plate to obtain the diaphragm. The invention has the performance characteristics of high porosity, uniform aperture, low resistance, good mechanical stability and long service life, is simple and reliable to prepare, and reduces the use and maintenance cost of the alkaline water electrolytic bath.
Owner:SUZHOU XIBEIYOU HYDROGEN ENERGY TECH CO LTD