151 results about "Particle coating" patented technology

The invention relates to the technical field of new energy battery materials, in particular to a surface-coated sulfide solid electrolyte as well as a preparation method and application thereof. The preparation method comprises the following steps: mixing and stirring a sulfide solid electrolyte and a first solvent to obtain a first mixed solution; mixing and stirring nanoparticles with oxygen-containing functional groups and a second solvent to obtain a second mixed solution; adding the second mixed solution into the first mixed solution, and stirring to obtain a third mixed solution; and carrying out vacuum drying on the third mixed solution to obtain the surface-coated sulfide solid electrolyte. The sulfide solid electrolyte is subjected to surface particle coating through simple mixing and vacuum drying, oxygen-containing functional groups are attached to the surfaces of the particles, so that the material is more oxygen-loving, the air stability of the sulfide solid electrolyte is improved, and the material still keeps high ionic conductivity and has good electrochemical performance. And moreover, the machining process is reduced, the machining cost is reduced, and the practical application value is higher.

The invention discloses an inorganic pigment-based colored radiation cooling coated fabric which comprises a fiber fabric, and a daytime passive radiation coating and a modified inorganic pigment coating which are sequentially coated on the surface of the fiber fabric, the daytime passive radiation coating is an inorganic nano particle coating; the particle size distribution of the inorganic nanoparticles is nanoscale, the sunlight reflectivity of the inorganic nanoparticles is more than 90%, and the mid-infrared radiance of the inorganic nanoparticles is more than 85%; the preparation method of the modified inorganic pigment comprises the following steps: ball-milling an inorganic pigment, adding the ball-milled inorganic pigment into an organic solvent, adding an inorganic non-metallic material, uniformly mixing, standing, taking an upper-layer solution, and drying to obtain inorganic non-metallic microspheres of which the surfaces are adsorbed with the inorganic pigment; and calcining the inorganic nonmetal microspheres with the inorganic pigment adsorbed on the surfaces to obtain the modified inorganic pigment. The problems that in the prior art, a radiation cooling coating is monotonous in color, complex in preparation method, high in cost and the like are solved.

A reactor for coating particles includes a stationary vacuum chamber to hold a bed of particles to be coated, a chemical delivery system, and a paddle assembly. The paddle assembly includes a rotatable drive shaft and a first plurality of paddles and a second plurality of paddles that extend radially from the drive shaft. The spacing, cross-sections, and oblique angles of the paddles are such that orbiting of the paddles causes the first plurality of paddles and the second plurality of paddles to displace substantially equal volumes in opposite directions in the lower portion of the stationary vacuum chamber.

The invention discloses a single battery, a battery device and electric equipment, the single battery comprises a positive pole piece, a negative pole piece and an isolating membrane, the positive pole piece comprises a positive current collector, a positive active material layer comprises lithium-containing phosphate, the positive current collector comprises a coating part and a tab part, the tab part extends out of the coating part along the height direction of the single battery, and the negative active material layer comprises lithium-containing phosphate. The size of the positive electrode active material layer accounts for 83%-88% of the size of the shell; the negative pole piece comprises a negative current collector and a negative active material layer arranged on at least one side of the negative current collector, the size of the negative active material layer is greater than that of the positive active material layer along the height direction of the battery monomer, the difference value between the size of the negative active material layer and the size of the positive active material layer is OH1, and the condition that the OH1 is greater than or equal to 1.5 mm and less than or equal to 3.3 mm is met; the isolating membrane comprises a base membrane and a coating arranged on at least one side of the base membrane, the coating comprises a binder and fluorine-containing organic particles, and the total thickness of the coating is 3-7 microns.

Some embodiments of the present disclosure relate to a roofing material, wherein the roofing material may comprise a plurality of coated roofing granules, wherein each of the plurality of the coated roofing granules may comprise a roofing granule having an outer surface; and a granule coating, wherein the granule coating is disposed on at least a portion of the outer surface of the roofing granule, and wherein the granule coating comprises graphene. Some embodiments of the present disclosure relate to a roofing material, wherein the roofing material may further comprise a reflective base coating, wherein the reflective base coating is positioned between the outer surface of the roofing granule and the granule coating.

An in-line coating machine adapted to coat food products with a particulate coating material has a food products conveyor assembly, a coating device arranged between the inlet and the outlet of the machine, and an excess coating material separation station configured to cause excess coating material to be separated from coated food products in order to recover excess coating material for re-use. An excess coating material recovery conveyor has a bed support and a recovery conveyor run above the bed support. A particulate coating material elevator device receives a portion of the excess coating material from the recovery conveyor and supplies the excess coating material to the coating device for re-use. An elevator device fill assembly along the recovery conveyor is configured to fill the elevator device with recovered excess coating material. Herein a coating material supply unit comprises slide plates which are mounted at an inclination.

The invention provides an in-situ tissue engineering valve stent material as well as a preparation method and application thereof, and belongs to the technical field of medical materials. According to the invention, the surface of the acellular matrix is loaded with the super-particle coating formed by self-assembly of the polyphenol-mediated polypeptide aggregate and the Prussian blue nano-enzyme, so that the stent material is endowed with double ROS regulation and endothelial cell adhesion promoting functions, excessive deposition of collagenous fibers can be prevented, and fibrosis of valve tissues is avoided; the synergistic effect of the components of the super-particle coating promotes the endothelialization process of the stent and the remodeling of a functional extracellular matrix, so that the accelerated formation of the functional endodermis is finally realized, and a powerful guarantee is provided for the success of clinical transformation of an in-situ heart valve tissue engineering technology.

The invention belongs to the technical field of coating granulation, and particularly relates to a vertical efficient coating granulation reaction kettle. Comprising a support, the support is fixedly connected with a reaction kettle, a stirring module is arranged in the reaction kettle, a material mixing barrel is fixedly connected in the reaction kettle, a discharging shell is arranged in the material mixing barrel, the material mixing barrel is rotationally connected with a material dispersing barrel, through holes are evenly distributed in the material dispersing barrel, and the discharging shell is arranged in the discharging shell. The top of the bulk material barrel is rotatably connected with a butt joint sleeve, the reaction kettle is fixedly connected with a first feeding pipe and a second feeding pipe, and the reaction kettle is fixedly connected and communicated with an air outlet pipe. Powder is diffused by means of gas, the diffused powder adheres to particles in a falling state, a layer of powder adheres to the outer portions of the particles in advance, the particles are isolated from one another in advance, the probability that the particles adhere to one another and agglomerate in the subsequent stirring process is reduced, and the uniformity degree of particle coating is improved.

This invention relates to the field of battery technology, and more particularly to a method for improving the air stability of sulfide solid electrolytes. The method includes the following steps: mixing the sulfide solid electrolyte with a solvent to form a slurry one; mixing a thiol with a solvent to form a slurry two; simultaneously spraying slurry one and slurry two into the center of a mixing device equipped with a drying device, and drying them under the drying device, thereby improving the air stability of the sulfide solid electrolyte. This invention, by spraying the sulfide solid electrolyte and thiol, causes them to collide under a certain airflow, thereby allowing the thiol's mercapto groups to coordinate with metal cations or exposed sulfur vacancies on the surface of the sulfide solid electrolyte, forming stable thiols or complexes, thus achieving the effect of particle coating or partial coating of the sulfide solid electrolyte.

The invention discloses a preparation method and application of an anti-fouling coating system capable of preventing biological adhesion, the anti-fouling coating system capable of preventing biological adhesion comprises a primer and a topcoat, and the primer comprises a first component and a second component. According to the preparation method and application of the anti-fouling coating system capable of preventing biological adhesion, the anti-traditional thinking is used for developing an anti-fouling coating, the surface coating is used for developing a nano composite particle coating, a high-surface-energy nano material is firstly used as a basis, a dark catalytic electrolysis technology is matched for preparation, the characteristic of high surface energy of the nano material is adopted, and the anti-fouling coating system capable of preventing biological adhesion is prepared. Energy is absorbed, stored, converted and released through the composite nano-material, the nano-material breaks walls of marine microorganisms and a generated electric field effectively prevents generation of a biological membrane, then growth of marine bacteria, shells and benthic diatom is effectively inhibited, meanwhile, two-dimensional nano-graphene is adopted to replace traditional graphene oxide for modification, the overall engineering is simple, and the cost is low. More atoms are distributed on the surface, and the coating surface has higher energy.

The solvated metal particle-coating system includes a metal additive and a polar outer-sphere electron transferring solvent. The metal additive is solvated in the polar outer-sphere electron transferring solvent. The polar outer-sphere electron transferring solvent may include liquid ammonia, methylamine, and / or hexamethylphosphoramide. The metal additive may include an alkali metal and / or an alkaline earth metal. The solvated metal additive within the polar outer-sphere electron transferring solvent may be used to coat a metal particle and / or a metalloid particle as a layer. As the polar outer-sphere electron transferring solvent evaporates, the solvated metal additive is coupled to the metal particle and / or the metalloid particle.

Titanium dioxide (Tio2) nanoparticle coated umbrella for UV protection

The application discloses a double-cone rotary fluidized bed ALD fluidized reactor and a powder particle coating method thereof. The reactor comprises a fluidized chamber, a deposition tank, a rotating mechanism, gas guide pipes and a vacuum pump. The upper and lower ends of the fluidized chamber are closed. The outer side of the fluidized chamber is symmetrically connected with two gas guide pipes. One of the two gas guide pipes is connected with a fluidizing gas supply system and is used for conveying fluidizing gas containing precursor reaction gas into the fluidized chamber. The other gas guide pipe is sequentially connected with a tail gas detection system and the vacuum pump. The two gas guide pipes are controlled by the rotating mechanism and are used for periodically overturning the reactor according to a overturning period. After each overturning of the reactor, the powder with a large particle diameter is more quickly settled into the deposition tank than the powder with a small particle diameter. The powder particles settled into the deposition tank stop or sharply reduce the opportunity of atomic layer deposition reaction, and the powder particles not settled into the deposition tank are suspended in the fluidizing gas and continue to react with the precursor reaction gas to form a single-layer coating.

This invention discloses a waste conveying device for optical lens processing, relating to the field of cargo conveying technology. It includes a support frame, on which a driven roller and a driving roller are mounted. Side plates are fixedly mounted on both sides of the support frame, and a first baffle and a second baffle are fitted between the two side plates. A dust removal component is also fitted between the two side plates. The dust removal component includes two rotating seats, which are respectively embedded in the two side plates. A hollow rotating roller is rotatably mounted inside each rotating seat. A conveyor belt is sleeved on the driven roller, driving roller, and hollow rotating roller. The conveyor belt has a three-layer structure: an inner belt, a middle belt, and an outer belt. The outer belt is made of high-density polyurethane and has a nano-silicon carbide particle coating on its surface. The conveyor belt of this invention adopts a composite layered structure design, significantly improving overall performance and service life, ensuring stable operation of the conveying system, and extending the maintenance cycle of key components.

The invention relates to the technical field of aqueous zinc ion batteries, in particular to an aqueous zinc ion battery zinc negative electrode and a preparation method and application thereof, and the preparation method comprises the following steps: preparing coating slurry comprising InMOF nanoparticles, a solvent and an adhesive; heating the zinc negative pole piece to 140-160 DEG C; spraying the coating slurry to the surface of a zinc negative electrode plate, then drying, and pyrolyzing the coating slurry to obtain the zinc negative electrode with the MOF coating; the InMOF nano-particle coating is introduced into the zinc negative electrode, and a three-dimensional porous network structure formed by InMOF nano-particles can be used as a rigid zinc ion transmission channel, so that dendritic crystal growth is inhibited, the service life of the battery is prolonged, and the electrochemical performance is improved.

The invention relates to the field of corrosion-resistant fasteners, in particular to a corrosion-resistant fastener and a preparation method thereof. The anti-corrosion fastener comprises a fastener body and an anti-corrosion layer, wherein the surface of the fastener body is sequentially coated with the anti-corrosion layer from inside to outside, and the anti-corrosion layer is a zinc-nickel alloy doped nanometer silicon carbide particle coating layer. The anti-corrosion layer is formed by doping zinc-nickel alloy with nano silicon carbide particles. As the zinc-nickel alloy is used as an electrochemical active material, through a cathode protection mechanism of a sacrificial anode, an oxidation reaction is carried out prior to a matrix metal, so that matrix corrosion is inhibited. Nano silicon carbide particles are introduced, the grain boundary defect of an alloy layer is filled through the physical dispersion strengthening effect, the porosity of the coating is reduced, and a compact physical barrier is formed to block corrosion medium permeation. Active protection of cathode protection and passive protection of physical barrier are combined to a single anticorrosive coating, and the function limitation of a traditional single coating is broken through.

The invention relates to the technical field of particle coating, in particular to a coating reactor based on fluidized bed chemical vapor deposition and a particle coating method. The coating reactor comprises a material barrel, a cover barrel, an exhaust section, a middle path air inlet assembly and a circumferential air inlet assembly, and a heater is arranged on the circumferential wall of the material barrel; the cover cylinder covers the material cylinder and upwards exceeds the material cylinder, a material returning cavity is formed between the cover cylinder and the material cylinder, and the lower end part of the material returning cavity is communicated with the material cylinder; the exhaust section communicates with the upper end of the cover cylinder; the middle path gas inlet assembly is configured to supply gas which flows upwards and carries a precursor into the material barrel; the circumferential air inlet assembly is configured to supply fluidizing gas with the upward flow direction to the material returning cavity in the circumferential direction of the material returning cavity, and the flow speed of the gas carrying the precursor is larger than that of the fluidizing gas. According to the invention, decoupling of the gas cracking process and the cooling film-forming process in space and time can be realized, the complexity of the fluidized bed-chemical vapor deposition process can be reduced, and quantitative experiment research can be conveniently carried out.

The present invention relates to the field of pharmaceutical formulations, and in particular to a fine granule and a preparation method therefor. The provided fine granule is a fine granule having core particles, a coating layer and an additional material layer. Hydroxypropyl cellulose and / or hydroxypropyl methylcellulose in a specific proportion are selected as a tackifier, and low-substituted hydroxypropyl cellulose is used as a disintegrating agent, so that the prepared fine granule has good particle compactness, disintegration performance and dissolution performance. An anti-adherent is homogenized during the preparation of the coating layer material, so that the prepared coating layer material has good anti-adhesion effect, and does not adhere in the particle coating process, thereby ensuring the integrity of the particles. A fluidized granulation coating machine is selected for preparation and coating of the core particles, thereby ensuring more uniform particle size distribution of the fine granule.

The invention relates to a preparation method of a bamboo secondary particle coating and hard carbon sealing pore structure. According to the method, bamboo powder is used as a raw material, and the functional carbon material with a closed pore structure and a surface coating layer is prepared through the steps of staged carbonization, mechanical grinding, composite coating, aftertreatment and the like. Firstly, bamboo powder is subjected to low-temperature carbonization and high-temperature carbonization treatment, the heating and cooling rate is controlled under the nitrogen atmosphere, and carbonized bamboo powder is obtained; then mixing and grinding the mixture with a solid electrolyte and PVDF, and performing low-temperature carbonization again to form secondary particles; then, gelatin and calcium gluconate monohydrate are used as coating agents and stirred together in a sodium dodecyl benzene sulfonate solution, and surface coating is achieved; finally, freeze-drying, carbonizing at low temperature, pickling with hydrochloric acid, washing with water to be neutral, and drying to obtain a final product. The method is controllable in process and good in repeatability, and has good mechanical strength, chemical stability and function adjustability.

The solvated metal particle-coating system includes a metal additive and a polar outer-sphere electron transferring solvent. The metal additive is solvated in the polar outer-sphere electron transferring solvent. The polar outer-sphere electron transferring solvent may include liquid ammonia, methylamine, and / or hexamethylphosphoramide. The metal additive may include an alkali metal and / or an alkaline earth metal. The solvated metal additive within the polar outer-sphere electron transferring solvent may be used to coat a metal particle and / or a metalloid particle as a layer. As the polar outer-sphere electron transferring solvent evaporates, the solvated metal additive is coupled to the metal particle and / or the metalloid particle.

The invention provides a dialysis catheter based on a swirl flow technology, and relates to the field of dialysis catheters.The dialysis catheter comprises a connecting mechanism, the connecting mechanism comprises a connecting block, a vein connecting pipe and an artery connecting pipe, and a catheter mechanism is arranged at the bottom of the connecting mechanism; the catheter mechanism comprises a venous catheter, a venous side hole, an arterial catheter, an arterial side hole and a spiral flow induction unit, the inner wall and the outer wall of the catheter mechanism are each provided with a nano-coating mechanism, and each nano-coating mechanism comprises a copper nano-particle coating and a black phosphorus nano-coating. By arranging the spiral flow inducer, blood pressure is rotated, the wall surface shear stress of the inner wall of an artery cavity is improved, the risk of thrombus generation is reduced, wall suction is effectively prevented by arranging the vein side hole and the artery side hole, and the thrombus generation risk is reduced. Through cooperation of the copper nanoparticle coating, the black phosphorus nano coating and the graphene oxide coating, the coating has multiple antibacterial mechanisms such as contact sterilization, ion interference, oxidative stress induction and the like.

The present application discloses a battery cell, a battery device, and an electrical device. The battery cell includes a positive electrode sheet, a negative electrode sheet, and a separator. The positive electrode sheet includes a positive electrode collector, the positive electrode active material layer includes a lithium-containing phosphate, the positive electrode collector includes a coating portion and a pole ear portion, and along the height direction of the battery cell, the pole ear portion extends from the coating portion, and the size of the positive electrode active material layer accounts for 83%-88% of the size of the shell; the negative electrode sheet includes a negative electrode collector and a negative electrode active material layer arranged on at least one side of the negative electrode collector, along the height direction of the battery cell, the size of the negative electrode active material layer is larger than the size of the positive electrode active material layer, the difference between the size of the negative electrode active material layer and the size of the positive electrode active material layer is OH1, and satisfies 1.5mm≤OH1≤3.3mm; the separator includes a base film and a coating provided on at least one side of the base film, the coating includes a binder and fluorine-containing organic particles, and the total thickness of the coating is 3μm-7μm.

Disclosed are a composite positive electrode active material for a lithium secondary battery including a lithium cobalt-based oxide; a method for manufacturing the same; and a lithium secondary battery including a positive electrode including the composite positive electrode active material, wherein in the composite positive electrode active material for a lithium secondary battery, a particle coating portion is arranged in the form of an island on one surface of a lithium cobalt-based oxide, the particle coating portion includes a first coating layer including a lithium titanium-based oxide, and a surface coating portion is arranged in an inner region of another surface of the lithium cobalt-based oxide.

Provided are pharmaceutical compositions and methods for preparing pharmaceutical compositions using solventless mixing methods. Excess coating material that is not bound to a coated API particle may be removed by a sieving process. Coating and dosing ratios can also be optimized to minimize the amount of excess unbound coating material. Specifically, a coating ratio and / or a dosing ratio can be used to minimize the residual amount of excess unbound coating material to minimize agglomeration of coating material during storage. In some embodiments, a pharmaceutical composition is provided, the pharmaceutical composition comprising: 65-85% w / w API particles; 15-30% w / w coating material coating the API particles; and 3-15% w / w matrix surrounding the coated API particles, wherein the pharmaceutical composition comprises a disintegration time rate of less than 10 seconds for at least six months under storage conditions of at least 25° C. and at least 60% relative humidity.

A printing assembly for thermal transfer printing is disclosed. The assembly comprises at least one first printing system comprising a transfer member having an imaging surface on the front side, a coating station at which a monolayer of thermoplastic particles is applied to the imaging surface, an imaging station at which electromagnetic radiation (EM) is applied, optionally via the rear side of the transfer member, to selected regions of the imaging surface to render the particles coating the selected regions tacky, a transfer station at which only the regions of the particles coating that have been rendered tacky are transferred to a substrate to form an adhesive image; and at least one more downstream printing system. The transfer member includes on its front side an EM radiation absorbing layer, the imaging surface being formed on, or as part of, the absorbing layer, and on its rear side a body which can optionally be transparent to EM radiation.

The present invention relates to the technical field of batteries, and particularly relates to a method for improving the air stability of a sulfide solid electrolyte. The method comprises the following steps: mixing a sulfide solid electrolyte with a solvent to form a slurry I; mixing mercaptan with a solvent to form a slurry II; and simultaneously spraying the slurry I and the slurry II to the center of a material mixing device that is provided with an air drying device, and drying same under the air drying device, so as to complete the improvement of the air stability of the sulfide solid electrolyte. By spraying the sulfide solid electrolyte and the mercaptan, the two collide with each other at a certain airflow rate; therefore, sulfydryl of the mercaptan is coordinated with metal cations or exposed sulfur vacancies on the surface of the sulfide solid electrolyte to form a stable thiolate or complex, thereby achieving a particle coating or semi-coating effect on the sulfide solid electrolyte.

The utility model belongs to the technical field of battery diaphragm coatings, and particularly relates to a multifunctional lithium ion diaphragm coating. Comprising a base film and a layer of nanocellulose microcrystal coating which directly covers the base film and is tightly combined with the base film, a mixed coating formed by mixing hollow spherical binding material particles and nano ceramics is directly coated on the nano cellulose microcrystal coating; or, the surface of the nano cellulose microcrystal coating is sequentially coated with a nano ceramic layer and a hollow spherical binding material particle coating from bottom to top. According to the diaphragm coating provided by the utility model, through a special multi-layer composite structure design, the thermal stability, the mechanical strength and the electrochemical performance of the lithium ion battery are greatly improved while good physical and chemical properties are maintained, so that the diaphragm coating is suitable for wider application scenes and harsh operation conditions.

Provided is a method of additively manufacturing an object having a particle surface coating thereon, using an intermediate object produced in an additive manufacturing process by light polymerization of a dual cure resin, the intermediate object having residual dual cure resin from which it was produced remaining on a surface portion thereof in unpolymerized form; forming a solid particle coating adhered to the resin coating film; and then further curing the intermediate object.

The invention discloses a device for magnetron sputtering particle surface coating and an operation method and application thereof, and relates to the technical field of magnetron sputtering equipment. The invention aims to solve the problems of poor coating uniformity and low particle coating efficiency caused by low target utilization rate in the traditional magnetron sputtering coating technology. The target magnetic field lifting mechanism is used for changing the magnetic field intensity and the magnetic field distribution on the surface of the target material, so that the distribution of electron clouds on the surface of the target material is changed, and the dynamic change of target material etching grooves is realized; and a particle vibration mechanism is arranged, so that particles in the particle container are in a dispersed state. The inner magnet and the outer magnet generate a horizontal magnetic field acting on the surface of the target material, the horizontal magnetic field on the surface of the target material is changed, the target material etching area is enlarged, the lower particle coating area is enlarged, the particle coating probability is increased, and the coating uniformity and the target material utilization rate are improved. The device for magnetron sputtering particle surface coating and the operation method and application of the device can be obtained.

The utility model relates to the technical field of coating production, in particular to a coating vibrating screen, which comprises a screen frame, a rotating shaft, a support pin, a guide plate and a rotating component, the rotating shaft is rotatably mounted in a screening box, the screen frame is fixedly mounted on the rotating shaft, a screen mesh is arranged in the screen frame, one side of the screen frame far away from the rotating shaft is provided with a chute, and the support pin is mounted on the screen frame through the rotating component. A material guiding groove is formed in the side, away from the screen cloth, of the screen frame, the material guiding plate is fixedly installed on the side, close to the material guiding groove, of the screen frame, a guiding-out groove is further formed in the side, close to the material guiding plate, of the screening box, and the rotating assembly drives the supporting pin to rotate in the anticlockwise circumferential direction so that the supporting pin can slide in the sliding groove. And the screen frame is pushed to rotate anticlockwise around the axis of the rotating shaft, so that the screen frame is inclined, and the large-particle coating on the screen is guided out of the guiding-out groove through the material guiding groove and the material guiding plate, so that the guiding-out effect of the large-particle coating on the screen is achieved, and the phenomenon that after screening is completed, the coating still remains on the screen is avoided.