105 results about "Doped oxide" patented technology

The invention discloses a manganese-doped Ir-Ta oxide composite coating titanium anode and a preparation method thereof. The titanium anode comprises an insoluble titanium base material, an oxide middle layer and an oxide catalyst layer which are sequentially arranged, wherein the oxide catalyst layer is composed of an iridium (Ir) oxide, a tantalum (Ta) oxide and a doped manganese (Mn) element. The preparation method comprises the following steps: carrying out sand blasting and surface treatment on a titanium substrate to increase the roughness and binding force of the surface, then carrying out proper intermediate layer coating on the surface of the substrate, and finally preparing the manganese-doped Ir-Ta oxide composite coating on the surface of the intermediate layer. Compared with a traditional titanium anode, the prepared manganese-doped Ir-Ta oxide composite coating titanium anode has the advantages of being higher in reaction specific surface area, lower in oxygen evolution potential, longer in catalytic life and the like, and meanwhile the transition metal element manganese is higher in reserve, lower in price and high in oxygen evolution activity.

The invention relates to an electrophoresis codeposition-in-situ thermal conversion short-process preparation method of a multi-element doped Co-Mn spinel protective coating. According to the method, spinel precursor powder does not need to be prefabricated, commercial Co3O4, Mn3O4, a rare earth oxide R2O3 (R is Y, Ce or La) and a doped oxide XxOy (X is Cu, Ni or Fe) are directly dispersed in an organic mixed solvent in proportion to form a stable suspension, and after electrophoresis codeposition, the stable (Co, Mn, R, X) 3O4 spinel coating is formed in situ through three-stage heat treatment of impurity removal, conversion and structure homogenization. Compared with a traditional sol-gel method for synthesizing a precursor and then performing electrophoresis, the method has the advantages that the process is remarkably simplified, the period is shortened, the cost is reduced, thermal mismatch caused by Cr volatilization and Fe phase precipitation is effectively inhibited, and the compactness and high-temperature stability of the coating are improved. The method has the advantages of being short in process, low in equipment requirement, high in doping flexibility and the like, and is suitable for interface anti-oxidation protection of an SOFC metal connector and surface protection of other high-temperature electrochemical system metal parts.

The present invention provides a back-contact solar cell, a manufacturing method thereof, and a photovoltaic assembly in the field of photovoltaics. The back-contact solar cell includes a substrate and alternating first and second doped regions, a first passivation contact layer located in the first doped regions and a second passivation contact layer located in the second doped regions, a doped oxide layer including a first portion located on the surface of the first passivation contact layer and a second portion located in the second doped regions, and a connecting layer located on a portion of the first portion, surrounding a portion of the second portion, and electrically connected to the second passivation contact layer, and located on a side of the first passivation contact layer and electrically connected to the first passivation contact layer. [Effects] At the very least, the hot spot effect can be improved and the photoelectric conversion efficiency can be increased.

The invention provides self-recovery chromium ion doped oxide mechanoluminescence fluorescent powder as well as a preparation method and application thereof. The chemical general formula of the self-recovery mechanoluminescence fluorescent powder is Al2 (1-x) O3: 2xCr < 3 + >, wherein x is equal to 0.3%-5%. The preparation method of the self-recovery mechanoluminescence fluorescent powder comprises the following steps: a, respectively weighing aluminum oxide and chromium oxide according to the molar ratio of each element in the chemical general formula Al2 (1-x) O3: 2xCr < 3 + >; b, grinding and uniformly mixing the weighed raw materials, and firing in air at the temperature of 1300 DEG C for 6 hours; and c, taking out the fired sample, and uniformly grinding to obtain the chromium ion doped oxide mechanoluminescence fluorescent powder. According to the chromium ion doped oxide mechanoluminescence fluorescent powder disclosed by the invention, a measured emission band main peak is located at 694 nm and is located at a biological first window (600-900 nm), and the chromium ion doped oxide mechanoluminescence fluorescent powder is expected to be used as a near-infrared mechanoluminescence biological probe; and the fluorescent powder has the advantages of no need of pre-irradiation and instant self-recovery of luminescence.

The invention relates to a purple light-excited cyan light-emitting fluorescent material as well as a preparation method and application thereof. The cyan light emitting fluorescent material is a Ce < 3 + > doped oxide cyan light emitting fluorescent material, the chemical expression of the cyan light emitting fluorescent material is SrCa0. 7Mg0. 3Lu4-xO8: xCe < 3 + >, and x is more than or equal to 0.003 and less than or equal to 0.05. The preparation method comprises the following steps: weighing a strontium source compound, a calcium source compound, a magnesium source compound, a lutetium source compound and a cerium source compound according to a stoichiometric ratio of a chemical expression of the green light emitting fluorescent material, grinding and uniformly mixing to obtain a mixture; sintering the mixture at high temperature, and cooling to obtain the purple light excited cyan fluorescent material. Compared with the prior art, the method has the advantages of optimizing the crystal field environment, constructing a cyan fluorescent material with wide-spectrum excitation characteristic, high luminous efficiency and excellent thermal stability and the like.

The invention relates to the technical field of brass materials, in particular to a high-strength and high-toughness brass material and a preparation method thereof.The preparation method comprises the steps that a porous oxide film layer is prefabricated on the surface of brass through plasma electrolytic oxidation, and an oxide film layer doped with double-bond silver-loaded graphene oxide is constructed on the surface of the brass; the preparation method comprises the following steps: firstly, preparing modified MXene, then preparing a photocurable hole sealing coating for hole sealing treatment, introducing double-bond silver-loaded graphene oxide and the modified MXene as fillers into the photocurable hole sealing coating, firstly performing sulfhydrylation on the MXene by using 3-mercaptopropyltriethoxysilane, and then grafting a double-bond-containing bis-benzimidazole ring derivative through light click to obtain the modified MXene; vinyl-terminated polyurethane is used as a cross-linking agent, o-phenyl phenoxyethyl acrylate, butyl acrylate, glycidyl methacrylate and octadecyl acrylate are compounded to serve as an acrylic monomer, a diluent and a solvent are introduced, a complex cross-linked network is constructed, and the service life of the brass material is prolonged.

The invention belongs to the technical field of target materials, and discloses a multi-element doped indium germanium oxide ceramic target material and a preparation method thereof. The ceramic target material comprises indium oxide, germanium oxide and doped oxide, and the doped oxide is one or two of cerium oxide, hafnium oxide or titanium oxide; the preparation method comprises the following steps: mixing In2O3 powder, GeO2 and doped oxide powder, carrying out ball milling, drying, grinding and sieving on the mixed powder to obtain mixed oxide powder, sequentially carrying out compression molding and cold isostatic pressing on the mixed oxide powder to obtain a target material green body, putting the target material green body in an oxygen atmosphere, and carrying out sintering to obtain the target material. A multi-element doped indium germanium oxide ceramic target material is obtained by using a multi-stage sintering method; by adjusting the doping elements in the target material, the proportion of the doping elements and the staged sintering temperature and time, the density and the conductivity of the target material can be remarkably improved.

The invention discloses preparation and application of a heterogeneous element doped oxide composite catalyst. The preparation method comprises the following steps: stirring an iron source, carbon nanotubes and triton in a solvent, adding a sodium borohydride solution at 2-10 DEG C, and rapidly stirring and uniformly mixing; aging the solution at 2-10 DEG C, collecting a sample, washing and drying; carrying out heat treatment to obtain a gamma-Fe2O3 precursor loaded on the carbon nano tube; stirring the gamma-Fe2O3 precursor loaded on the carbon nano tube and a heterogeneous element source in a solvent, evaporating to dryness and grinding; and performing heat treatment to obtain the composite catalyst. The gamma-Fe2O3 and carbon nanotube in-situ loaded composite material is used as a precursor, the structural stability of the substrate is effectively improved, meanwhile, the intrinsic catalytic activity of the gamma-Fe2O3 can be effectively improved through doping of multi-element heterogeneous elements, and compared with a fractional-step doping strategy, higher catalytic activity and higher utilization value are shown.

A method includes forming a semiconductor region, forming a gate spacer over the semiconductor region, forming a source / drain region aside of the semiconductor region, wherein the source / drain region is of p-type, and forming a gate dielectric over the semiconductor region. The gate dielectric is formed in a space between opposing portions of the gate spacer. A ruthenium oxide layer is formed over the gate dielectric, and acts as a part of a work-function layer of a gate electrode. The method further includes incorporating silicon into the ruthenium oxide layer.

The invention relates to the technical field of solid electrolyte material preparation, and discloses a method for preparing doped oxide-based solid electrolyte powder, and the method comprises the following steps: dissolving a titanium source substance, an aluminum source substance, a lithium source substance and a dopant source substance in one or a mixed solvent of two of ethanol, propanol and isopropanol to form a solution A; dissolving a phosphorus source substance, a lithium source substance and a dopant source substance in one or a mixed solvent of two of purified water and ethanol to form a solution B; under the stirring condition in a reaction kettle, dropwise adding the solution A into the solution B, and continuously stirring after dropwise adding to obtain a liquid precursor. Atom-level and molecular-level mixing dispersion of the oxide-based solid electrolyte raw materials in a liquid phase is realized, and compared with the characteristic that only macromixing can be realized in a ball milling method, the preparation method has the advantages that the preparation process is simple, and the cost is low. The uniformity of each component in the material can be obviously improved, so that the performance of the final material is improved.

The invention discloses a preparation method of an image sensor, which comprises the following steps of: after etching a groove on a substrate, depositing an oxide layer (BSG) doped with P-type ions on the surfaces of the groove and the substrate, introducing and activating the P-type doped ions by adopting a low-temperature enhanced diffusion and / or laser instantaneous thermal annealing process, and simultaneously, not increasing the thermal budget of a device. And the etching damage on the surface of the groove is repaired, and the groove isolation performance of the image sensor is improved.

The application discloses a non-noble metal and rare earth metal composite doped oxide photocatalyst and a preparation method thereof. The non-noble metal and rare earth metal composite doped oxide photocatalyst is prepared by using a liquid phase method or a solid phase method. The liquid phase method comprises the following steps: mixing and dissolving, hydrolysis gelation, high-temperature aging, solution replacement, drying and high-temperature heat treatment. The solid phase method comprises the following steps: mixing, drying and high-temperature heat treatment. The non-noble metal and rare earth metal composite doped oxide photocatalyst obtained by the application has the advantages of large specific surface area, high photocatalytic activity, long service period, uniform metal element dispersion and good application prospect in the fields of photocatalytic preparation of methane, methanol and formic acid and the like.

The application discloses a high-performance bismuth-free ZnO-Cr2O3-based pressure-sensitive ceramic and a preparation method and application of defect regulation, and belongs to the technical field of pressure-sensitive materials. The method comprises the following steps: ZnO, doped oxides, polyvinyl alcohol aqueous solution, tributyl phosphate and deionized water are ball-mixed to obtain mixed powder; after drying, sieving, granulating and compression molding, oxide-doped ZnO green bodies are obtained; after glue removal and sintering, high-performance bismuth-free ZnO-Cr2O3-based pressure-sensitive ceramic is obtained. The bismuth-free ZnO-Cr2O3-based pressure-sensitive ceramic is obtained by adopting a solid-phase sintering method, taking ZnO as main raw material, and doping multiple oxides for compression and sintering. Immovable acceptor defects and stable double Schottky barrier structures are formed in the oxides enriched at the ZnO grain boundaries, which provides an important technical thought for the electrical performance optimization of different system pressure-sensitive ceramics. The high-performance bismuth-free ZnO-Cr2O3-based pressure-sensitive ceramic has high nonlinearity coefficient and breakdown field strength and small leakage current density, and has a wide application prospect in miniaturized electronic circuit systems.

The invention belongs to the technical field of target materials, and particularly relates to a tin oxide-based composite target material and a preparation method thereof. The tin oxide-based composite target material provided by the invention comprises tin oxide, doped oxides and sintering aids, the doped oxides are antimony pentoxide, vanadium pentoxide, nickel oxide and tungsten trioxide, and the sintering aids are magnesium oxide and yttrium oxide. The antimony pentoxide, the vanadium pentoxide, the nickel oxide and the tungsten trioxide are used as doped oxides, so that the electrical and optical properties of the target material are effectively improved; magnesium oxide and yttrium oxide are adopted as sintering aids, grains are refined, and the compactness and the mechanical property of the target material are improved; atomic-scale mixing of part of elements is achieved through a sol-gel method, then atomic-scale doping is conducted through a high-energy ball milling method, the distribution deviation of the elements in a matrix is reduced, sintering is conducted through a discharge plasma furnace, and the volatilization loss of the elements and the pore defect in the target material are reduced.

A ceramic material, includes: a magnesium oxide and a doped oxide, wherein the doped oxide includes cobalt tetroxide, europium trioxide or manganese dioxide, and wherein a weight ratio of magnesium oxide to the doped oxide is 97:1 to 85:12. In addition, the disclosure also provides a method for manufacturing a ceramic material, including: mixing a magnesium oxide powder and a doped oxide powder, and sintering the mixed magnesium oxide powder and the doped oxide powder at a temperature of 1300° C. to 1650° C. to obtain the ceramic material, wherein the doped oxide powder includes a cobalt tetroxide powder, a europium trioxide powder or a manganese dioxide powder, and wherein a weight ratio of the magnesium oxide powder to the doped oxide powder is 99.9:0.1 to 92:8.

The invention belongs to the technical field of metal material high-temperature friction wear-resistant materials, and particularly discloses a high-temperature self-lubricating silver-molybdenum film and a preparation method and application thereof.The high-temperature self-lubricating silver-molybdenum film is arranged on a high-temperature-resistant substrate, and the high temperature ranges from 300 DEG C to 600 DEG C; in the high-temperature self-lubricating silver-molybdenum thin film, the atom percentage content of molybdenum is 70-80 at%, and the atom percentage content of silver is 20-30 at%; and the thickness of the high-temperature self-lubricating silver-molybdenum film is 2-5 [mu] m. The silver-molybdenum thin film with specific components is prepared on the high-temperature-resistant substrate through the double-target focusing co-deposition technology, a lubricating film is formed on the surface in the high-temperature friction and wear process on the basis that no oxide or lubricating phase is doped in advance, the wear rate of the thin film is reduced, and therefore the substrate is protected, and the silver-molybdenum thin film can be applied to the high-temperature friction environment.

Embodiments of the present application relate to the field of photovoltaic power generation and provide a back-contact solar cell, a method for manufacturing the same, and a photovoltaic power generation assembly. The back-contact solar cell includes a substrate and alternately arranged first doping regions and second doping regions, a first passivation contact layer located in the first doping region and a second passivation contact layer located in the second doping region, a doping oxide layer including a first portion located on the surface of the first passivation contact layer and a second portion located in the second doping region, and a connecting layer located in a portion of the first portion, surrounding a portion of the second portion and electrically connected to the second passivation contact layer, and located on the side surface of the first passivation contact layer and electrically connected to the first passivation contact layer. According to the back-contact solar cell provided by embodiments of the present application, at the very least, the hot spot effect can be improved and the photoelectric conversion efficiency can be improved.

The application discloses a method for improving the performance of oxide solid electrolyte by calcium doping, and belongs to the technical field of solid-state batteries. The method comprises the following steps: mixing raw materials containing a calcium source, a sodium source, a rare earth source and a phosphorus source to obtain a precursor; sintering the precursor to obtain a calcium-doped sodium superionic conductor precursor; and performing ion exchange on the precursor and a lithium salt to obtain a calcium-doped oxide solid electrolyte with a chemical formula of Li 3+ x La 1‑x Ca x (PO4)2, and 0 < x <= 0.1. By partially replacing lanthanum ions with calcium ions, lithium vacancies are introduced, the crystal lattice is relaxed, and the lithium ion migration path is optimized by using the charge compensation mechanism, so that the room-temperature ionic conductivity of the material is significantly improved. The method has low raw material cost, simple process and strong universality, can be expanded to various oxide solid electrolyte systems such as NASICON and garnet, and has good application prospect in the field of solid-state lithium ion batteries.

The invention relates to the technical field of barium titanate-based ceramic preparation, in particular to a rare earth ion doped barium titanate-based ceramic material and a preparation method thereof.High-purity tetragonal-phase barium titanate is prepared through a hydrothermal synthesis process, doped ions comprise two rare earth ion elements including europium and dysprosium, and one or more of sodium, magnesium, bismuth, niobium, cobalt, lanthanum and the like are cooperatively doped; barium titanate powder and ion-doped oxide powder are mixed according to a certain proportion, and the ion-doped barium titanate ceramic is prepared through solid-phase sintering. By adopting the formula and the preparation method disclosed by the invention, a barium titanate-based ceramic capacitor product with excellent dielectric property, high stability and low loss can be obtained, and the preparation method is suitable for preparing a high-temperature and high-performance multilayer ceramic capacitor.

The present disclosure relates to a magnetic material and a multilayer inductor including the same. The magnetic material is formed by sintering an oxide for forming a ferrite material and a doped oxide. The magnetic material has a crystal structure. The doped oxide is distributed on the grain boundary of the crystal structure in the form of a doped phase. The content of the doped oxide is 5 wt % or less based on the total weight of the magnetic material. According to the present disclosure, the magnetic material can improve the grain boundary resistance at a low sintering temperature and increase the impedance of the magnetic material.

The invention discloses a back contact solar cell, a preparation method thereof, a cell module and a photovoltaic system. Comprising the following steps: preparing a first tunneling oxide layer, a first doped layer and a doped oxide layer on a backlight surface of a silicon substrate; removing the doped oxide layer, and performing laser oxidation on the first doped layer to form a first barrier layer; removing the first tunneling oxide layer and the first doping layer corresponding to the second region, and preparing a second tunneling oxide layer, a second doping layer and a second barrier layer on the surface of the silicon substrate corresponding to the first region and the second region; removing the second barrier layer corresponding to the first region and the second barrier layer at the adjacent position of the second region and the first region, and dividing the second region into a spacer region and a third region; removing the second tunneling oxide layer, the second doping layer and the first barrier layer corresponding to the first region; removing the second barrier layer corresponding to the third region; and removing the second tunneling oxide layer and the second doping layer corresponding to the spacer region to obtain the back contact solar cell with relatively high conversion efficiency.

The invention discloses a rare earth doped perpendicular magnetic anisotropy oxide thin film and a preparation method thereof, and relates to the field of hard magnetic rare earth element doped oxide thin film materials, the rare earth doped perpendicular magnetic anisotropy oxide thin film has (001) plane crystal orientation and comprises a substrate and a thin film layer, the substrate is MgAl2O4 (001), and the thin film layer is LaxNi1-xCo2O4 (001). According to the rare earth doped perpendicular magnetic anisotropy oxide thin film and the preparation method thereof, lattice strain caused by mismatching of ion radius sizes can be overcome, lanthanum is doped into a crystal structure of spinel oxide NiCo2O4, a radio frequency magnetron sputtering preparation process is adopted, La0. 05Ni0. 95Co2O4 and La0. 1Ni0. 9Co2O4 target materials are adopted, and the rare earth doped perpendicular magnetic anisotropy oxide thin film is prepared. A series of La0. 05Ni0. 95Co2O4 and La0. 1Ni0. 9Co2O4 films with different thicknesses are prepared, the obtained films have stable vertical magnetic anisotropy, the Curie temperature is above room temperature, and the films have excellent conductivity and good performance.

Disclosed are a light emitting diode and a method of manufacturing the same. The light emitting diode includes a second substrate, a bonding layer on the second substrate, a second semiconductor layer on the bonding layer, a quantum well layer on the second semiconductor layer, and a first semiconductor layer on the quantum well layer. The bonding layer of the light emitting diode of the present invention employs a doped oxide layer, and a doped element in the bonding layer absorbs moisture accumulated in the bonding layer during a high temperature process to prevent the epitaxial layer from peeling off.

This invention relates to the field of electrochemical catalytic materials technology, and discloses a high-performance electrode catalytic material and its preparation method. The material has a hierarchical porous core-shell structure, composed of a Cu-Ni-Co ternary alloy core, an N-S-P co-doped carbon transition layer, and an Fe-Mn dual-doped oxide shell in a specific ratio. The preparation employs a stepwise hydrothermal-calcination method, which is mild, environmentally friendly, and easily scalable. This material is adaptable to acidic and alkaline electrolysis environments and exhibits excellent HER, OER, and [other properties not specified in the original text]. CO2 Reduction catalytic activity, C2+ With a Faraday efficiency of ≥85.3% and an activity decay of ≤4.2% after 1000 hours of continuous catalysis, it is low in cost, highly stable, and suitable for various scenarios such as water electrolysis for hydrogen production and fuel cells, showing great potential for industrial application.

Provided are: colloidal particles of a Ti-containing oxide and a sol thereof which retain a high refractive index and have excellent light resistance; and methods for producing the particles and the sol.　The colloidal particles of a Ti-containing oxide have an equivalent-circle diameter, determined by analyzing a transmission electron photomicrographic image, of 5-50 nm. Throughout the whole colloidal oxide particles, Zn and / or Fe is distributed and Nb and / or Ta is distributed.

This invention discloses a method for synthesizing oxide-dispersion-strengthened molybdenum-rhenium alloys using a liquid-liquid doping process, comprising the following steps: S1: Preparation of a molybdenum-rhenium mixed solution; S2: Preparation of the doped molybdenum-rhenium mixed solution: dissolving the oxide precursor nitrate in water and then adding it to the molybdenum-rhenium mixed solution; S3: Heat treatment: mechanically stirring the doped molybdenum-rhenium mixed solution, then evaporating the water by heating to obtain a crystalline product, followed by filtering, drying, and sieving the crystalline product to obtain a composite powder; S4: Calcination and thermal decomposition: calcining the composite powder to obtain a pyrolytic powder; S5: Thermal reduction: introducing hydrogen gas into a muffle furnace to reduce the pyrolytic powder to oxide-doped molybdenum-rhenium alloy powder; S6: Rod preparation: obtaining rods through cold isostatic pressing, high-temperature hydrogen sintering, forging, and rotary forging. In this invention, the oxide is stably dispersed in the molybdenum-rhenium alloy in a nanoscale form, which can significantly improve the alloy's performance at high temperatures.

This invention relates to the field of brass material technology, specifically a high-strength, high-toughness brass material and its preparation method. A porous oxide film is pre-formed on the brass surface through plasma electrolytic oxidation. A double-bonded silver-loaded graphene oxide-doped oxide film is then constructed on the brass surface. A photocurable sealing coating is then prepared for sealing. In the photocurable sealing coating, double-bonded silver-loaded graphene oxide and modified MXene are introduced as fillers. MXene is first thiolated with 3-mercaptopropyltriethoxysilane, and then grafted with a double-bonded dibenzimidazole ring derivative via photo-clicking to obtain modified MXene. A vinyl-terminated polyurethane is used as a crosslinking agent, and a complex crosslinking network is constructed using a blend of o-phenylphenoxyethyl acrylate, butyl acrylate, glycidyl methacrylate, and octadecyl acrylate as acrylic monomers. A diluent and solvent are introduced to extend the service life of the brass material.

The application belongs to the technical field of target materials, and particularly relates to a tin oxide-based composite target material and a preparation method thereof. The tin oxide-based composite target material provided by the application comprises tin oxide, doped oxide and sintering aid, the doped oxide is antimony pentoxide, vanadium pentoxide, nickel oxide and tungsten trioxide, and the sintering aid is magnesium oxide and yttrium oxide. The application uses antimony pentoxide, vanadium pentoxide, nickel oxide and tungsten trioxide as the doped oxide, effectively improves the electrical and optical properties of the target material; uses magnesium oxide and yttrium oxide as the sintering aid, refines the grains, and improves the density and mechanical properties of the target material; uses the sol-gel method to realize atomic-level mixing of part of elements, then uses the high-energy ball milling method to realize atomic-level doping, reduces the distribution deviation of the elements in the matrix, uses the discharge plasma furnace to realize sintering, and reduces the volatilization loss of the elements and the pore defects in the target material.

The invention relates to the technical field of paint coatings, in particular to a coating material for a heat dissipation aluminum pipe and a preparation process thereof.The coating material for the heat dissipation aluminum pipe achieves unification of heat conduction, heat radiation, corrosion prevention and surface self-maintenance performance through reasonable design and synergistic integration of organic silicon modified acrylic resin and multiple functional components; wherein the modified composite inorganic nano filler is composed of a boron nitride nanosheet with high thermal conductivity and electrical insulation, nano aluminum oxide and a small amount of graphene oxide, a continuous and stable three-dimensional heat conduction path is formed in a resin matrix, and the conduction efficiency of heat in the thickness direction of the coating is effectively improved; meanwhile, the coating modified silicon carbide micro powder and the rare earth doped oxide have excellent heat radiation capacity in the infrared band, heat on the surface of the aluminum pipe can be efficiently radiated into the environment in the form of electromagnetic waves, and therefore the overall heat dissipation effect is remarkably enhanced under the condition that convection is limited, the two mechanisms of heat conduction and radiation supplement each other, and the heat dissipation efficiency is improved. And the performance bottleneck of a single heat dissipation path is broken through.