Patents
Literature
Patsnap Copilot is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Patsnap Copilot

996results about How to "Uniform adhesion" patented technology

Electroconductive fibers with carbon nanotubes deposited thereon, electroconductive threads, fiber structure, and process for producing same

Disclosed is an electroconductive fiber comprising synthetic fibers and an electroconductive layer covering the surface of the synthetic fibers and containing carbon nanotubes. Not less than 60% (particularly not less than 90%) of the total surface of the synthetic fibers is covered with the electroconductive layer, and the electric resistance of the electroconductive fiber is in the range of 1*10<-2> to 1*10<10> Omega / cm, and the standard deviation of the logarithm of the electric resistance is less than 1.0. The thickness of the electroconductive layer is in the range of 0.1 to 5 micrometers, and the amount of the carbon nanotubes may be 0.1 to 50 parts by mass based on 100 parts by mass of the synthetic fiber. The electroconductive fiber may contain a binder. The electroconductive fiber may be produced by immersing the synthetic fibers in a dispersion while applying vibration to the synthetic fibers to deposit an electroconductive layer on the surface of the synthetic fibers. In the electroconductive fiber, the carbon nanotubes are deposited evenly and strongly onto substantially the whole area of the surface of the fibers, and, thus, the electroconductive fiber is electroconductive and flexible.
Owner:HOKKAIDO UNIVERSITY +1

Thin film conveying gluing device

The invention discloses a thin film conveying gluing device and belongs to the field of thin film processing equipment. The thin film conveying gluing device comprises a main support, a film guide mechanism, a film gluing mechanism and a film discharging mechanism, wherein the film guide mechanism, the film gluing mechanism and the film discharging mechanism are sequentially arranged on the main support in the thin film conveying direction. The film guide mechanism comprises a first film guide roller, a second film guide roller, a third film guide roller and a fourth film guide roller, wherein the first film guide roller, the second film guide roller, the third film guide roller and the fourth film guide roller are sequentially connected to the main support horizontally and rotationally in the thin film conveying direction. A static electricity eliminating board is arranged between the first film guide roller and the second film guide roller. A tension adjusting roller is arranged between the second film guide roller and the third film guide roller. The film gluing mechanism comprises a film pressing mechanism, a gluing roller, a glue feeding roller and a film gluing groove, wherein the film pressing mechanism, the gluing roller, the glue feeding roller and the film gluing groove are sequentially arranged from top to bottom. The surface of the gluing roller is attached to the surface of the glue feeding roller. The film gluing groove is an arc-shaped groove matched with the glue feeding roller in shape. The film discharging mechanism comprises a driving motor, a driving shaft, a driving screw and a film discharging roller. The thin film conveying gluing device is simple in structure, thin films can be glued rapidly, efficiently and evenly, and the requirement for production is met.
Owner:浙江耀阳新材料科技有限公司

Method for preparing graphene/MOF (metal-organic framework) porous composite material aquagel and graphene/MOF porous composite material aerogel

The invention discloses a method for preparing a graphene / MOF (metal-organic framework) porous composite material aquagel and a graphene / MOF porous composite material aerogel. The method comprises the following steps: taking a clean container, adding a graphene or graphene oxide dispersion solution into the container, adding MOFs crystal powder into the container until the mass ratio of the MOFs crystal powder to the graphene or graphene oxide is (1:100)-(100:1), sealing the container, and performing oscillation or stirring to promote the formation of a graphene or graphene oxide self-assembled three-dimensional framework structure and the uniform compounding between the MOFs crystals and graphene sheets or graphene oxide sheets, thereby obtaining the graphene / MOF porous composite material aquagel; and finally, performing freeze-drying to obtain the graphene / MOF porous composite material aerogel. The graphene / MOF porous composite material aerogel has a self-supporting porous structure, and maintains the structural integrity of the graphene or graphene oxide and MOFs. The preparation method is mild in conditions and simple to operate, and can effectively prevent the graphene sheets or graphene oxide sheets and the MOFs crystals from aggregation.
Owner:ZHEJIANG UNIV OF TECH

Method for preparing flexible three-dimensional solid electrolyte membrane

ActiveCN107887554AImprove ionic conductivityExcellent electrochemical stability and flexibilitySolid electrolytesSecondary cellsSolventCeramic particle
The invention belongs to the technical field of lithium ion batteries and relates to a method for preparing a flexible three-dimensional solid electrolyte membrane. The method comprises the followingsteps: adding nano fibers into a solvent to prepare nano fiber suspension; adding lithium-ion conductive ceramic particles into the nano fiber suspension, stirring at high speed, and performing freezedrying so as to obtain a ceramic particle/nano fiber three-dimensional porous composite scaffold; adding lithium salt into an acetonitrile solution of polyethylene oxide, and stirring at high speed so as to obtain a lithium salt-polyethylene oxide mixed solution; soaking the ceramic particle/nano fiber three-dimensional porous composite scaffold into the lithium salt-polyethylene oxide mixed solution, drying and performing hot-pressing treatment, thereby obtaining the flexible three-dimensional solid electrolyte membrane. According to the method disclosed by the invention, the lithium-ion conductive ceramic particles are uniformly attached onto the nano fibers to form the three-dimensional porous scaffold, so that the transmission path of lithium ions in a polymer matrix is lengthened, and the solid composite electrolyte membrane has high ionic conductivity, excellent electrochemical stability and flexibility at room temperature.
Owner:柔电(武汉)科技有限公司

Method for manufacturing surface wear-resisting impregnated paper of laminate floor by dry-spraying Al2O3

The invention relates to a method for manufacturing surface wear-resisting impregnated paper of a laminate floor by dry-spraying Al2O3. The method comprises the following steps: impregnating pure wood pulp roll paper with a melamine-formaldehyde (MF) resin liquid; uniformly spraying the Al2O3 on the surface of the impregnated paper by utilizing a dry sprayer; allowing the impregnated and sprayed paper to enter a first oven for drying at the temperature of 100-150 DEG C; roll-coating 300-500% (relative to the weight of the paper) of the MF resin liquid on the paper surface after preliminary drying; and allowing the roll-coated paper to enter a second oven for drying at the temperature of 100-150 DEG C, controlling the whole-course running speed of the paper at 10-12m/minute, cooling, adjusting the temperature of the oven and machine speed so as to reach 6.0-7.5% of volatile matters and 40-60% of pre-curing degree, cutting and packaging. By means of the method, the defects of the prior art are overcome, and the spray quantity of the Al2O3 can be adjusted by controlling the dry sprayer so as to obtain the surface wear-resisting impregnated paper with reliable quality according to different wear-resisting requirements; and the method has the advantages of reasonable process and obvious effect, and is simple in operation, thus effectively improving the product quality.
Owner:天津市瑞鸿装饰材料销售有限公司

Lithium cobaltate-coated high-nickel ternary positive electrode material and preparation method thereof

InactiveCN110247031AAvoid direct contact with airReduce surface residual alkaliCell electrodesLithium carbonateChemistry
The invention relates to a lithium cobaltate-coated high-nickel ternary positive electrode material and a preparation method thereof. The preparation method comprises the following steps of: mixing a high-nickel ternary precursor, nano cobaltosic oxide, and a lithium source, and calcining the mixture at 750-820 degrees centigrade to obtain the lithium cobaltate-coated high-nickel ternary positive electrode material, wherein the mass ratio of the nano cobaltosic oxide to the high-nickel ternary precursor is 0.05 to 0.2:1. The surface of the high-nickel ternary positive electrode material is uniformly coated with a layer of lithium cobaltate material, thereby protecting the reticular structure of the high-nickel ternary positive electrode material, reducing the nickel-lithium ion mixing, improving the electronic conduction, the cycle performance and the rate performance of the material, additionally avoiding direct contact between the surface of high-nickel ternary positive electrode material and the air, reducing the water absorption of the material and the formation of surface lithium hydroxide and lithium carbonate, reducing residual alkali on the surface of the material, and optimizing the processing properties of the material.
Owner:RUYUAN DONGYANGGUANG MAGNETIC MATERIAL

Preparation method and application of silicon-carbon composite material

The invention discloses a preparation method and application of a silicon-carbon composite material, belonging to the technical field of preparation of composite materials. The preparation method comprises the following steps of: (1), grinding silicon-based alloy into powder, and performing acid pickling to obtain a porous silicon material; and (2), mixing the porous silicon material with an organic polymer carbon source and a solvent, performing ball-milling to obtain a homogenate type mixture, and performing thermal treatment after drying so as to obtain the silicon-carbon composite material. According to the preparation method and application disclosed by the invention, when carbon coating is carried out, the organic polymer carbon source (such as polyvinylidene fluoride) having high viscosity is mixed with a little solvent, so that thick colloid is prepared; then, matched with ball-milling, the organic polymer carbon source is adhered to the surface of porous silicon effectively and uniformly; the carbon coating efficiency is relatively high; in addition, the use amount of the organic solvent is low; energy consumed by solvent evaporation is saved; therefore, the production cost is reduced; the preparation process is simple, and suitable for large-scale production; the silicon-carbon proportion in the prepared silicon-carbon composite material is reasonable; the volume strain capacity is better; and the electrochemical performance of a lithium ion battery is improved.
Owner:TIANNENG SAFT ENERGY JOINT CO

Anti-interference electrocardiograph detection system, detection method, special flexible graphene electrode, and preparation method and application of special flexible graphene electrode

The invention provides an anti-interference electrocardiograph detection system, a detection method, a special flexible graphene electrode, and a preparation method and the application of the special flexible graphene electrode. The anti-interference electrocardiograph detection system comprises the flexible graphene electrode, an electrocardiosignal acquiring and processing module, an impedance measurement module, an electrocardiographic wire and a signal processing module, can measure an electrocardiosignal and a motion artifact signal, and removes the motion artifact in the electrocardiosignal. The flexible graphene electrode is formed in a way that a graphene material is adhered on a sponge layer through negative pressure deposition to obtain a graphene-sponge conductive composite, a fastener is additionally added on the graphene-sponge conductive composite, and the electrocardiographic wire is fixedly connected to the graphene-sponge conductive composite through the fastener. The anti-interference electrocardiograph detection system and the detection method effectively overcome the interference of the motion artifact on the electrocardiosignal, and guarantees the instantaneity, the accuracy and the reliability of the electrocardiographic examination result; the preparation flow of the flexible graphene electrode is simple, the biological compatibility of the flexible graphene electrode is good, the service life of the flexible graphene electrode is long, and the flexible graphene electrode can be used in the anti-interference electrocardiograph detection system.
Owner:HEBEI UNIVERSITY

Automatic dispensing and glue point detection device and dispensing and detection technology thereof

The invention discloses an automatic dispensing and glue point detection device and a dispensing and detection technology of the device. The device comprises a machine table, a transfer mechanism, a dispensing platform, a dispensing mechanism, a detection platform and a CCD mechanism. The transfer mechanism transfers electric cores to be dispensed and dispensed electric cores to the dispensing platform and the detection platform synchronously; a dispensing gun of the dispensing mechanism is aligned to an aluminum plastic film edge on one side of an electric core center line, the aluminum plastic film edge does linear motion relative to the dispensing gun, and the dispensing gun dispenses glue to the aluminum plastic film edge on one side of the electric core center line; the dispensing gunis rotated by 90 degrees to the other side of the electric core center line, and the dispensing gun carries out uniform interval dispensing on the aluminum plastic film edge on the other side; afterdispensing is finished, the CCD mechanisms scans the contour of the aluminum plastic film edge and glue points on the aluminum plastic film edge, and a code scanning assembly of the detection platformscans and records two-dimensional codes at the bottom of the electric cores. Automatic, uniform and precise dispensing is achieved for narrow edge aluminum plastic films, uniform sticking of glue isensured, the dispensing efficiency is improved, and the dispensing and follow-up encapsulation yield is improved.
Owner:SHENZHEN XING GRAIN AUTOMATION CO LTD

High-strength painted bundling belt and manufacturing method thereof

The invention discloses a high-strength painted bundling belt. The high-strength painted bundling belt comprises the following chemical components by weight percent: 0.12-0.20% of C, 0.2-0.6% of Si, 1.2-2.0% of Mn, less than or equal to 0.025% of P, less than or equal to 0.02% of S and 0.01-0.05% of Nb. The high-strength painted bundling belt is prepared by the steps of smelting, casting a blank, and then carrying out hot-rolling to form coils; carrying out acid cleaning; carrying out cold rolling; uncoiling, splitting and conducting deburring; carrying out tempering treatment in a lead-bismuth furnace; carrying out water cooling; painting by adopting a dip-coating wiping mode and carrying out sectional baking; and waxing and drying by adopting hot air. The high-strength painted bundling belt disclosed by the invention has the advantages that since a proper amount of Nb is added, the influence on crystal lattice distortion caused by overlarge volume mismatching of enhanced element atoms and Fe atoms is overcome, namely a value sigma b is increased, the overhigh yielding-to-tensile ratio can be restrained, and a steel belt with high strength, good elasticity, excellent mechanical property is produced; and the energy consumption is low, the process is simple, the painted surface is uniform, the anti-rusting performance is good and the process is simple.
Owner:武钢集团有限公司

High-catalytic-activity amorphous metal oxide hydrogen evolution electrode and preparation method thereof

The invention discloses a high-catalytic-activity amorphous metal oxide hydrogen evolution electrode and a preparation method thereof. The electrode comprises an active coating made from an amorphous metal oxide, which is selected from any one or more of amorphous nickel oxide, amorphous ruthenium oxide, amorphous molybdenum oxide, amorphous cerium oxide, and amorphous strontium oxide. The preparation method comprises: step1, pre-treating a nickel screen to form a porous transition nickel oxide layer; step2, preparing an active coating precursor solution and coating the nickel screen with the precursor solution; and step3, performing thermal decomposition and laser-cladding assisted solidification to obtain the hydrogen evolution electrode. The preparation method is simple and is low in thermal decomposition temperature. The prepared hydrogen evolution electrode is high in catalytic activity and is not prone to polarize in a high current density. A catalyst firmly combines with a matrix and is not prone to fall off. The hydrogen evolution electrode has excellent anti-reverse-current performance. Compared with a conventional nickel screen, in a high current density of 4000A / m<2>, the electrode can reduce the hydrogen evolution overpotential by 250 mV. In a situation of frequent startup and shutdown, the voltage of an electrolytic bath is stable, and the fluctuation amplitude is small.
Owner:派新(上海)能源技术有限公司
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products