50results about How to "Wrap implementation" patented technology

The invention discloses a high-nickel single-crystal ternary cathode material with low surface residual alkali content and a preparation method thereof. The preparation method comprises the followingsteps: weighing lithium hydroxide, an oxide additive and a nickel-cobalt-manganese ternary precursor, and carrying out uniform mixing through a dry high-speed mixing process so as to prepare a mixed material; subjecting the mixed material to first sintering so as to obtain a first sintered material; crushing the first sintered material, and carrying out sieving so as to obtain a first crushed material; weighing the first crushed material, a coating agent and deionized water, and carrying out water washing under stirring so as to prepare a slurry, wherein the coating agent comprises an elementX which is one or more selected from the group consisting of B, Al, Ba, Zr, Mg, Ca, Ti, Si, V, Sc, Nb, Ta and Z; drying the slurry under a vacuum condition through a dynamic rotary drying process so as to obtain a dry material; subjecting the dry material to secondary sintering so as to obtain a secondary sintered material; and crushing the secondary sintered material, and carrying out sieving soas to obtain a product. The high-nickel single-crystal ternary cathode material and the preparation method thereof provided by the invention has the following advantages: alkali reduction by water washing and in-situ coating by a wet process can be synchronously completed; the process is simple; high compaction density is realized; and the content of residual alkali is low.

The invention provides a modification method of a lithium nickelate, cobaltate and manganate ternary material. The method comprises the step that after a lithium nickelate, cobaltate and manganate material is subjected to vapor phase deposition under the conditions of carbon source gas and protective gas, a carbon-coated modified lithium nickelate, cobaltate and manganate material is obtained. The modification method provided by the invention has the benefits that carbon deposits on the surface of the lithium nickelate, cobaltate and manganate ternary material through a vapor phase deposition method, so that carbon coating is realized; by adopting simpler processes, with the aid of the protective gas, the ternary material is carbon-coated, so that the problem of lithium nickelate reduction in the coating process of a traditional ternary material is effectively solved, and the coating of a carbon layer on the surface of the ternary material is realized; through the lithium nickelate, cobaltate and manganate ternary material coating carbon, the first-time charging and discharging efficiencies are improved, the lithium ion diffusion coefficients and the electronic conductivity of the material are improved, and the electrochemical performance of the NCM material is improved. According to the modification method provided by the invention, equipment is relatively simple, the process is less, and the structure is controllable; the material has higher battery capacity, cycle performance and rate capability.

The invention relates to a preparation method for magnetic nanoparticles coated with highly ordered mesoporous carbon. The method comprises the following steps of: making the magnetic nanoparticles as an inner core; fully coating the outer layer of the magnetic inner core with an organic template agent by static or hydrophobic interaction; and carbonizing at a high temperature to form the magnetic nanoparticles coated with the channel height ordered mesoporous carbon through self-assembly coating of an organic polymer precursor which can be used for forming mesoporous carbon and the organic template agent on the surface of the magnetic inner core. The magnetic nanoparticles coated with highly ordered mesoporous carbon, which is prepared according to the method, can be applicable for the fields such as bioseparation, medicine transfer, magnetic resonance imaging radiography and catalysis.

The invention provides a high-speed molding device and preparation method for conductive foam cotton, and aims at solving the technical problems that the production efficiency is low, and the quality can not be guaranteed when conductive foam cotton is produced through human assistance. According to the technical scheme, the needed conductive foam cotton is obtained by conducting a series of treatment on a conductive cloth and a sponge strip through a cladding molding device, a heating device, a cooling device, a backing adhesive pasting drawing device and a cutting device; in the cladding molding device, by using a side wall curling structure for a guiding frame and a cladding part, the purpose of cladding the conductive cloth and the sponge strip after aligning the conductive cloth with the sponge strip is achieved, not only can subsequent backing adhesive pasting be convenient, but also a backing adhesive can be aligned at the preconceived conductive cloth attaching portion for sealing, and then the quality of the conductive foam cotton is improved; in addition, cladding of the sponge strip by the conductive cloth can be achieved through the guiding frame and the cladding part without artificial participation, therefore, labor is saved, and the production efficiency is improved.

The invention relates to a preparation method of a dopamine stabilized Pickering emulsion and application thereof on immobilized enzymes. The preparation method is characterized by that hydrophobic modified SiO2 particles are used as a stabilizer, n-heptane is used as an oil phase, a Tris buffer is used as an aqueous phase, and a high speed homogenizer is used for stirring to obtain a SiO2 particle stabilized Pickering emulsion; dopamine is added into the SiO2 particle stabilized Pickering emulsion, and the obtained emulsion is incubated in a water bath shaker at room temperature to produce ablack Pickering emulsion stabilized by both SiO2 and polydopamine. Enzymes are immobilized in an emulsion aqueous phase to determine the stability and application performance of the Pickering emulsion. The prepared dopamine stabilized Pickering emulsion consists of SiO2 nanometer particles and a polymer coating layer, so that the stability is good, and coating of various enzymes can be realized, thereby making the immobilized enzymes have very good thermal stability, storage stability and reusability; and the Pickering emulsion is low in cost, and the preparation method is easy for operation,so that the Pickering emulsion has very good economic feasibility and practicality.

The invention discloses a preparation method of carbon-coated nano tin balls and products and application thereof. The preparation method includes: preparing tin oleate mixed liquid, adding the tin oleate mixed liquid into a crystal template, sufficiently stirring and dispersing to enable tin oleate to effectively cover the surface of the crystal template; transferring a mixture of tin oleate andthe crystal template into a tubular furnace, calcining in an atmosphere of protective gas to obtain solid powder, washing the solid powder, and drying to finally obtain a carbon/tin nano composite material. By the preparation method, preparation of a nanocrystal/carbon material is realized through only one step of direct heating, and obtained tin balls are small in nanocrystal size and complete incarbon coating; the preparation method is simple in step and process and easy to control. The products are conducive to shortening lithium ion transmission path and can inhibit volume expansion of tin in the process of charging and discharging and can avoid the problem of agglomeration of tin in the process of intercalation and deintercalation, lithium storage performance of tin is improved effectively, and the tin balls have great application potential in lithium ion battery electrode materials.

The invention provides epoxidized natural rubber coated modified white carbon black and a preparation method. Compared with a rubber material filled with white carbon black, the rubber material filled with the epoxidized natural rubber coated modified white carbon black can be improved in 300% stretching strength by 80%, the abrasion loss can be reduced by 36%, and the permanent deformation rate can be reduced by 58%. Dispersing liquid of the white carbon black and epoxidized natural rubber are mixed and undergo shearing treatment, solid-liquid separation and high-temperature treatment, so that epoxy groups and silicone hydroxyl undergo chemical bonding, and the epoxidized natural rubber coated modified white carbon black is obtained. The preparation method is simple, convenient and practical and has easiness in industrialization and can be combined with an existing white carbon black production process.

The invention discloses foam glass prepared from fly ash as well as a preparation method and application of the foam glass, and belongs to the technical field of foam glass preparation. Fly ash and glass powder are adopted as raw materials and mixed with a foaming agent, then a PVB alcoholic solution is added for granulation, and after molding, high-temperature foaming is conducted through two times of heating, so that the foam glass is obtained. Through two times of heating and heat preservation, part of dioxin can be effectively decomposed, and meanwhile, the formation amount of a high-temperature melt phase is promoted so as to effectively coat residual dioxin, high chlorine, high calcium and heavy metal components. According to the method, the high-temperature melt effectively coats the high chlorine, high calcium, heavy metal components and residual dioxin, the heavy metal elements are left to stand in water for a long time, leakage of the high calcium and high chlorine componentsis little, and harm of the components to the environment is avoided. The method is simple in process and suitable for large-scale production, the fly ash is adopted as the raw material, and the problem of environmental pollution is solved while the low-cost raw material is obtained.

The invention discloses a display panel and a display device. The display panel comprises: an array substrate, a light-emitting functional layer positioned on the array substrate, and a packaging structure covering the light-emitting function layer, wherein the packaging structure comprises a first inorganic layer tightly combined with the light-emitting function layer, and the first inorganic layer at least comprises a coating sub-layer used for coating particles on the surface of the light-emitting function layer. The light-emitting device is especially sensitive to water and oxygen in the air; particles or defects can be formed in the evaporation process of the light-emitting device. Water and oxygen invasion is caused by particles and defects; therefore, the failure of the light-emitting device can be caused by long-time exposure in the air; according to the display panel, the problems that the service life of the device is influenced due to the fact that the first inorganic layeris coated with the coating sub-layer are solved, the coating sub-layer of the packaging structure has good particle coating capacity and certain water-oxygen blocking capacity, water-oxygen invasion caused by the existence of particles of the first inorganic layer can be well prevented, packaging failure is caused, and then the service life of the display panel is prolonged.

The invention provides a nickel battery positive active material. The nickel battery positive active material comprises a core and a dense layer covering the core, wherein the core is spherical nickel hydroxide, and the dense layer is calcium carbonate. The invention further provides a preparation method of the nickel battery positive active material and a nickel-metal hydride battery containing the nickel battery positive active material. The nickel battery positive active material is applied to the nickel-metal hydride battery, can effectively weaken the self-discharge process inside the battery, and ensures the capacity and high-temperature performance of the battery. The preparation method of the nickel battery positive active material provided by the invention is simple and easy to implement.

The invention discloses a preparation method of a graphene oxide coated ceramic particle corrosion-resistant gradient coating. The preparation method comprises the following steps: preparing graphene oxide coated Cr3C2 ceramic particles, carrying out dispersion reaction on the graphene oxide coated Cr3C2 ceramic particles and metal oxide powder to generate a hybrid reactant, finally mixing the hybrid reactant with ceramic aggregate and an adhesive, and curing and sintering to prepare the corrosion-resistant ceramic coating. The core-shell structure of the ceramic particles and the graphene oxide is favorable for improving the bonding strength of the graphene oxide and a ceramic matrix, avoiding gaps on an interface, improving the compactness of the coating, reducing the generation of cracks of the coating and improving the high-temperature corrosion resistance of the coating; and meanwhile, the core-shell structure is beneficial to improving the oxidation resistance of the coating and prolonging the service life of the coating.

The invention discloses a full-automatic infusion device packaging machine with a material lacking reminding function. The full-automatic infusion device packaging machine with the material lacking reminding function comprises an operation table, a fixing frame, a bracket and a bottom film fixing column; the fixing frame is fixed to one side of the operation table; the bracket is fixed to one endof the operation table; the bottom film fixing column is fixed to the other side of the operation table; an upper film fixing column is fixed to one side of the fixing frame; a tensioning adjusting rod is fixed to one side of the upper film fixing column; a power supply panel is fixed to the top of the fixing frame through a rotating rod; an alarming device is fixed to the top of the rotating rod;a discharging port is fixed to one side of the bracket; a conveying belt is fixed to the surface of the operation table; and an infrared sensor is fixed to one side of the conveying belt and locatedon the surface of the operation table. The full-automatic infusion device packaging machine with the material lacking reminding function is reasonable and novel in deign, convenient to operate and useand high in infusion device packaging efficiency, an operator can be reminded in time during material lacking, waste of upper films and bottom films is wasted, high practicability is achieved, and the full-automatic infusion device packaging machine with the material lacking reminding function is suitable for wide use and popularization.

The invention provides a metal-coated fuel and a preparation method thereof. The metal-coated fuel sequentially comprises a nuclear fuel core, a loose metal layer and a compact metal layer from insideto outside. The method comprises the following steps: S1, providing a nuclear fuel core, loading the nuclear fuel core into a high-temperature spouted bed, and introducing argon to enable the nuclearfuel core to be in a fluidized state; S2, introducing hydrogen or argon or a mixed gas of hydrogen and argon, and controlling the proportion of the precursor of the loose metal layer in the carrier gas to be 5-10% V/V, so as to coat the loose metal layer on the surface of the nuclear fuel core; S3, controlling the proportion of the precursor of the compact metal layer in the carrier gas to be 0.2-2% V/V so as to further coat the compact metal layer; and S4, stopping introducing the precursor, introducing argon, and cooling the fuel to obtain the lithium ion battery positive electrode material. The metal-coated fuel provided by the invention has the advantages of good thermal conductivity, strong fission product retention capacity, low breakage rate and the like, and can effectively improve the safety and economy of nuclear fuel.

The invention provides a continuous manufacturing machine capable of synchronously realizing polymer wire coating and metalizing. The continuous manufacturing machine is sequentially equipped with a pay-off device, a coating device, an oxidization-reduction device, a cleaning device and a take-up device from left to right, wherein the coating device comprises a solution slot in the lower part anda gas flow reaction chamber positioned on the upper part; the solution slot is separated from the gas flow reaction chamber through a baffle plate; a gas flow compression heater is arranged on the outer part of the coating device; the left side of the coating device is equipped with a wire inlet hole and the right side of the coating device is equipped with a wire outlet; a plurality of sets of circulating roller groups are arranged in the coating device from left to right; each set of circulating roller groups comprises a roller group arranged in the solution slot and a roller group which isarranged in the gas flow reaction chamber in an adjacent mode; a wire inlet is formed in the left side wall of each of the oxidization-reduction device and the cleaning device, a wire outlet is formed in the right side wall of each of the oxidization-reduction device and the cleaning device, and a roller wheel used for supporting the polymer wire is arranged inside each of the oxidization-reduction device and the cleaning device. The continuous manufacturing machine has the characteristics of simple coating equipment and a simple coating method, a short coating process, good coating and metalizing effect, and the like.

The invention provides a chemical exchange saturation transfer contrast agent as well as a preparation method and application thereof, and belongs to the technical field of nuclear magnetic resonanceimaging. The contrast agent is a novel LipoCEST contrast agent; on the basis of keeping the advantages of high sensitivity and the like of the original iodine CEST contrast agent, high biocompatibility and safety are realized; the defects of fast discharge in the tumor region, low retention rate and the like of a conventional CEST contrast agent such as iohexol can be overcome; the EPR effect of the tumor region is improved. The contrast agent is formed by coating an iodine contrast agent with a surfactant; the surfactant is one or a mixture of more of phosphatidylcholine liposomes, phosphatidyl ethanolamine liposomes, phosphatidylserine, lecithin or cholesterol. The contrast agent is used for nuclear magnetic resonance imaging.

The invention discloses a preparation method of environment-friendly inkjet printing dye ink for artificial cotton, which comprises the following steps: adding water and a benzyl vinyl trimethyl ammonium chloride solution into a reactor, adding styrene and butyl acrylate, adding a 2, 2 '-azobis [2-methylpropylamidine]-dihydrochloride solution, and stirring for reaction to prepare a polymer microsphere dispersion liquid; adding caffeic acid, copper chloride and sodium perborate into the polymer microsphere dispersion liquid, heating, stirring and reacting to obtain modified dispersion liquid; adding a reactive dye solution and water into a reactor, adding the modified dispersion liquid, and purifying the mixed liquid through dialysis to prepare a reactive dye/polymer microsphere compound; the reactive dye/polymer microspheres, a dispersing agent, a defoaming agent and water are mixed and added into a mixer for grinding treatment, a viscosity regulator and a pH regulator are added, and the environment-friendly ink-jet printing dye ink for artificial cotton is prepared through stirring. The prepared ink is good in dispersity, high in degree of dyeing and good in color fastness when being used for artificial cotton printing.

The invention discloses a cornerite type fender which comprises a first fender body (1), a second fender body (2) and a hinge part (3). One end of the first fender body (1) is hinged to one end of the second fender body (2) through the hinge part (3), and the included angle formed between the first fender body (1) and the second fender body (2) can be adjusted. By adoption of the cornerite type fender, the problem that in the prior art, a corner on a wharf is inconvenient to wrap and indeterminate in angle, and consequentially a fender needs to be re-customized is solved, and multi-angle corner wrapping is achieved.