726 results about "Nonmetal" patented technology

The invention relates to the technical field of high-entropy oxide and electrocatalyst synthesis, in particular to a double-phase hollow high-entropy oxide catalyst and a preparation method and application thereof, the double-phase hollow high-entropy oxide catalyst comprises metal elements and non-metal elements, the metal elements comprise ruthenium, nickel, cobalt, iron, manganese and chromium; the non-metallic element is oxygen; the chemical formula of the double-phase hollow high-entropy oxide catalyst is NiCoFeMnCrRuO. The invention further discloses a preparation method of the catalyst. The double-phase hollow high-entropy oxide catalyst has a multi-shell hollow structure, provides a larger specific surface area and exposes a large number of reaction active sites, so that the double-phase hollow high-entropy oxide catalyst has lower overpotential, higher reaction efficiency and good electrochemical stability; meanwhile, the preparation method of the double-phase hollow high-entropy oxide catalyst is simple in process, low in cost, high in repeatability and suitable for industrial mass production, and has a wide application prospect.

The present disclosure is directed to a processing solution composition comprising a metal salt, an acid, a solvent, and a non-metal reductant. The present disclosure is also directed to a method of impregnating a porous material by covering or coating the porous material with a processing solution comprising a metal salt, an acid, a solvent, and a non-metal reductant.

The invention discloses a pipeline leakage detection device and method based on multi-modal data fusion, and relates to the technical field of pipeline safety monitoring. According to the device, modular sensor cabins (ultrasonic waves, LiDAR, millimeter wave radar and optics) are adopted for cooperative work, and high-precision leakage detection and positioning are achieved in combination with space-time registration, a cross-modal feature alignment network and a multi-level decision fusion mechanism. Through a dynamic weight distribution model and a multi-physical field joint inversion algorithm, the problems of low detection precision and poor anti-interference capability of a traditional single sensor are effectively solved. The method is suitable for detecting defects such as corrosion and leakage of metal and nonmetal pipelines, and has the advantages of high sensitivity, strong robustness and wide applicability.

The invention discloses an ultra-wideband carbon / boron doped high-entropy alloy wave-absorbing material which is prepared by adjusting Fe and Ni elements, adding Si and Al elements and doping a small amount of C or B. The specific component of the wave-absorbing material is (FeaCobSicAldNie) 100-xMx. In addition, the invention also discloses a preparation method of the wave-absorbing material, and the preparation method comprises the following steps: 1, high-entropy alloy smelting; 2, preparing high-entropy alloy spherical powder; 3, carrying out flaky treatment; and 4, stress relief annealing. On the basis of FeCoNi medium-entropy alloy, the content of the Fe element with low cost is increased, the content of the Ni element with high cost is reduced, the Si element and the Al element are added at the same time, then a small amount of non-metal C and B elements are doped to serve as interstitial atoms, lattice distortion is increased, the wave-absorbing performance and corrosion resistance are improved, and the ultra-wideband carbon / boron doped high-entropy alloy wave-absorbing material is obtained.

The invention belongs to the technical field of metal material preparation, and particularly relates to a high-purity platinum-molybdenum thermocouple wire and a preparation method and application thereof. The preparation method of the high-purity platinum-molybdenum thermocouple wire comprises the following steps: (1) purifying crude platinum step by step to obtain high-purity sponge platinum with the purity not lower than 99.999%; (2) mixing the high-purity platinum powder and the high-purity molybdenum powder according to a formula proportion, and performing cold isostatic pressing to obtain an alloy ingot; (3) the alloy ingot is subjected to vacuum suspension smelting, gas and non-metallic inclusions are removed, and a high-purity, uniform and compact platinum-molybdenum alloy cast ingot is obtained; (4) carrying out sheathing, hot forging and surface milling on the cast ingot to obtain a thermo wire bar; and (5) the bar is subjected to cold rolling, cold drawing and argon shield annealing, and the high-purity platinum-molybdenum thermocouple wire is prepared. The platinum-molybdenum thermocouple wire prepared by the method has the characteristics of high purity, accurate content, stable thermoelectric force, irradiation resistance, long service life and the like, and can meet the performance requirement of accurate temperature measurement in a core irradiation environment in the nuclear power engineering field.

The invention provides a positive pole piece which comprises a positive current collector and a positive material layer arranged on at least one surface of the positive current collector, a protective layer is arranged on the surface of the positive material layer, and the protective layer is connected with the surface of the positive current collector. The positive electrode material layer comprises a positive electrode active material, and the positive electrode active material comprises a lithium-rich manganese-based material. The protective layer comprises at least one of a metal oxide, a non-metal oxide, a phosphate, a fluoride or a solid electrolyte, the metal oxide comprises at least one of Al2O3, TiO2, ZnO, MgO, SnO2 or ZrO2, the non-metal oxide comprises at least one of SiO2, P2O5 or B2O3, the phosphate comprises at least one of Li3PO4, AlPO4 or FePO4, the fluoride comprises at least one of AlF3, MgF2, TiF4, WF6, NbF5, MoF4, MoF6 or ZrF4, and the solid electrolyte comprises at least one of Al2O3, TiO2, ZnO, MgO, SnO2 or ZrO2. And the solid electrolyte comprises at least one of Li < 7 > La < 3 > Zr < 2 > O < 12 >, Li < 3 > y La < 2 / 3-y > TiO < 3 > or Li < 1.3 > Al < 0.3 > Ti < 1.7 > (PO4) 3. The high-temperature cycle performance of the secondary battery can be improved by regulating and controlling the types of the positive electrode active material and the protective layer in the application range.

The invention discloses a high-intensity magnetic field-high temperature and high pressure water coupling environment material corrosion experiment device and method. The device comprises a pressure water generation device, a pressure water circulation loop, an experiment pipe section, a high-intensity magnetic field generation device and a control and data acquisition system. According to the invention, the corrosion experiment of the material in the 10T-magnitude magnetic field environment can be realized, the influence of the 10T-magnitude high-intensity magnetic field environment on the corrosion effect of the material can be accurately researched, and a reference is provided for the design of a fusion reactor. The outer side of the experimental pipe section is coated with a thermal insulation material, so that the influence of a high-temperature environment on a superconducting material coil of the high-intensity magnetic field generation device can be avoided. The device is suitable for various metal materials and non-metal materials, and by arranging the heating and cooling branch and the experiment branch, the heating and cooling time of material parts for experiments is shortened.

The invention belongs to the field of synthesis of inorganic non-metallic materials, and particularly relates to an equimolar-ratio seven-element high-entropy oxide and a preparation process thereof. The preparation process comprises the following steps: putting seven oxide powder Al2O3, Y2O3, TiO2, ZrO2, NiO, CuO and CeO2 into a ball milling tank according to a molar ratio of 1: 1: 2: 2: 2: 2: 2: 2, adding absolute ethyl alcohol and zirconium oxide grinding balls, performing ball milling in a ball mill, and fully drying and sieving after ball milling to obtain mixed powder; carrying out tabletting treatment on the mixed powder to obtain a to-be-sintered green body; and putting the to-be-sintered green body into an alumina crucible, and putting the alumina crucible into a microwave oven for microwave sintering. According to the method, the equimolar-ratio seven-element high-entropy oxide (AlYTiZrNiCuCe) Ox with good solid solution is obtained, the crystallinity and element uniformity of the seven-element high-entropy oxide are improved, all the raw materials react completely, meanwhile, the process efficiency is high, and energy consumption is low.

The invention discloses an atom manipulation construction method of an artificial quantum structure on a two-dimensional layered material substrate, which comprises the following steps of: under an ultrahigh vacuum condition, evaporating and depositing noble metal atoms and non-metal atoms on the surface of a two-dimensional layered material by a molecular beam epitaxy method, and applying a voltage pulse through a tip of a scanning tunneling microscope to construct the artificial quantum structure on the two-dimensional layered material substrate. The method comprises the following steps: accurately lifting and placing monodisperse noble metal atoms, applying a voltage pulse through a tip of a scanning tunneling microscope, accurately placing a single non-metal atom near the noble metal atoms, accurately lifting and placing the single noble metal atom and the non-metal atom for multiple times, and carrying out N-type and P-type doping. And construction of an atomic-scale precise artificial quantum structure is realized. According to the method, accurate positioning, lifting, carrying, placing and other operations of the monatomic on the surface of the two-dimensional layered material are carried out, the problems of controllable control and structure construction of the monatomic on the surface of the two-dimensional layered material are solved, preparation of the diatomic PN junction is achieved, and a feasible scheme is provided for accurate design of quantum devices with atomic scales.

An embodiment of the present invention provides a steel material, for a pressure vessel, comprising, in weight %, 0.06-0.25% of carbon (C), 0.05-0.50% of silicon (Si), 1.0-2.0% of manganese (Mn), 0.005-0.40% of aluminum (Al), 0.010% or less of phosphorus (P), 0.0010% or less of sulfur (S), 0.001-0.03% of niobium (Nb), 0.001-0.03% of vanadium (V), 0.001-0.03% of titanium (Ti), 0.01-0.20% of chromium (Cr), 0.05-0.15% of molybdenum (Mo), 0.01-0.50% of copper (Cu), 0.05-0.50% of nickel (Ni), 0.0005-0.0050% of magnesium (Mg), 0.0005-0.0050% of calcium (Ca), 0.0020% or less of oxygen (O), and the remainder being Fe and other unavoidable impurities. A microstructure comprises in terms of area fraction 30% or less of pearlite and the remainder being ferrite. A non-metallic inclusion contains Mg—Al—Ca—O composite oxide.

The invention relates to the technical field of catalytic materials, in particular to a carbon-based monatomic catalyst doped with five non-metallic elements and a preparation method and application of the carbon-based monatomic catalyst doped with the five non-metallic elements. An organic precursor (MOF-coated POSFN-CTP) rich in five non-metallic element heteroatoms is prepared through a simple coprecipitation method at the room temperature; and annealing to obtain the carbon material (POSFNC) doped with five non-metallic elements. On the basis, the POSFNC is further impregnated with a transition metal precursor, annealing is carried out again, and the carbon-based monatomic catalyst doped with five non-metallic elements is successfully synthesized. The carbon-based monatomic catalyst with a hollow porous structure and five non-metallic element heteroatoms uniformly distributed can be constructed through the method, the synthesis process has the advantages of simplicity, convenience, economy and environmental protection, and the ORR activity and stability of the prepared catalyst exceed those of a commercial Pt / C catalyst.

The invention relates to the technical field of inorganic non-metallic materials, in particular to an onion carbon preparation method based on a metal organic framework and onion carbon. The preparation method comprises the following steps: S1, synthesizing a metal organic framework precursor; s2, preliminary pyrolysis of the metal organic framework precursor; s3, etching and decomposing the formed metal particles; and S4, carrying out secondary pyrolysis on the primary pyrolytic carbon material. The carbon diameter of the prepared onion is 5-20 nm, and the carbon layer spacing is 0.34 nm. According to the preparation method, a metal organic framework is taken as a precursor, a two-step pyrolysis method is adopted, the precursor is carbonized at high temperature, a carbon material is etched again by ammonia gas and other gases released by thermal decomposition of melamine, and under the action, graphene is rearranged in the form of the same sphere center layer to form onion carbon particles with uniform sizes. The temperature and the reaction time in the preparation process can be accurately controlled, the preparation process is simple, the cost is low, the prepared onion carbon has relatively high purity and uniformity, and the oxygen reduction catalytic activity can be improved.

The invention relates to the technical field of preparation of high-purity boron oxide, and discloses a purification method of high-purity boron oxide and a device thereof, and the purification method comprises the following steps: step 1, mixing crude boron oxide with a liquid metal alloy, and dissolving metal impurities through gradient temperature control; 2, applying ultrasonic treatment to the mixed system, introducing a vortex field, and stripping impurities on the surface of the boron oxide; 3, a liquid metal phase and a boron oxide solid phase are separated through cooperation of a magnetic field and a pulse high-voltage electrostatic field; 4, non-metal ion impurities are removed through a gradient porous ceramic adsorption bed; and step 5, melting boron oxide in vacuum and carrying out gradient cooling crystallization. By adopting the technical scheme of a Ga-I n-Bi-Er quaternary liquid alloy system, the technical effect of selective targeted removal of metal impurities is achieved, and compared with a liquid metal system depending on single phase solubility difference in the prior art, the defect that efficient chelating and dynamic settling separation of the impurities cannot be achieved at the same time is overcome.

The invention discloses a rare earth doped humic acid-based retarder, a preparation method and application thereof in grouting materials, and belongs to the technical field of inorganic non-metal building materials. The invention discloses a rare earth doped humic acid-based retarder, which is prepared from the following raw materials in parts by weight: 35 to 50 parts of rare earth modified humic acid, 10 to 15 parts of amphiphilic phosphonate dispersing agent, 5 to 8 parts of magnesium phosphate corrosion inhibition reinforcing agent, 8 to 12 parts of nano silicon dioxide and 3 to 5 parts of function regulator. The loading capacity of rare earth oxide in the rare earth modified humic acid is 8-12wt%. The retarder provided by the invention realizes effective retarding through an innovative hydration inhibition mechanism, and has significant advantages in temperature response characteristics, hydrolysis resistance and diversified regulation performance. The effects are synergistic, so that the grouting agent is particularly suitable for grouting construction under severe conditions such as high temperature and the like, and a more stable, reliable and flexible solution is provided for engineering.

The invention relates to the technical field of material performance detection, and particularly discloses a prediction model for flame retardance of a nonmetal electric energy metering box shell. A BO-XGBoost model for predicting and analyzing the flame retardant property of the nonmetal electric energy box shell material through Raman spectrum data is established, and rapid detection of the flame retardant property of the nonmetal electric energy metering box shell material is achieved.

The invention discloses a nonmetal sample induced magnetic field generating device and application thereof. The non-metal sample induced magnetic field generating device comprises a sample containing pipe, an induced magnetic field carrier and an induced magnetic field carrier cooling system, at least part of the sample containing pipe is wound outside the induced magnetic field carrier, and the sample containing pipe is used for containing a non-metal sample and allowing the non-metal sample in a fluid state to continuously flow; the induced magnetic field carrier is used for generating a high induced magnetic field, the high induced magnetic field can induce a non-metal sample in the sample placing pipe to generate an induced magnetic field, the induced magnetic field is from the change of physicochemical properties of the non-metal sample, and the induced magnetic field carrier cooling system is in heat conduction fit with the induced magnetic field carrier. And at least the temperature of the induced magnetic field carrier is kept at the working temperature.

The invention discloses a method for recovering platinum and palladium from high-cobalt nickel-containing carbonylation slag, and relates to the technical field of non-ferrous metal carbonylation metallurgy, the method comprises the following steps: S1, hydrogen reduction and activation; s2, feeding into a high-pressure carbonylation reactor; and S3, efficient carbonylation. According to the method, the carbonylation slag is subjected to hydrogen reduction activation treatment, nickel protoxide and cobalt oxide are changed into simple substance nickel, the simple substance nickel is fed into a carbonylation reactor for carbonylation under the protection of reducing gas or inert gas after activation treatment, 95% of Ni, 85% of Fe and 80% of Co are carbonylated to enter a gas phase after carbonylation, bonding of cobalt and a platinum solid solution is broken through carbonylation, and the nickel-cobalt-cobalt-cobalt-cobalt alloy is obtained. Nickel protoxide is difficult to dissolve in various strong acids and oxidizing acids, and a foundation is laid for further separation of base metals and non-metallic element sulfur from precious metals to produce high-grade platinum concentrate.

To provide a coated cutting tool which has excellent durability.SOLUTION: In a coated cutting tool in which a surface of a base material is coated with a hard film, the hard film is located on the surface of the base material, contains a highest amount of W, and next, contains a higher amount of Ti of metal elements containing a semimetal, and a total content ratio of W and TI of 70 atom% or more. The hard film contains a highest amount of carbon, and next, contains a higher amount of nitrogen of non-metal elements. The coated cutting tool includes: an A layer of a face-centered cubic lattice structure in which, when a total content ratio of the metal element containing the semimetal, carbon, nitrogen and oxygen is 100 atom%, a ratio NA / CA of a nitrogen content ratio NA and a carbon content ratio CA is 0.40 or more, and a film thickness is 1 nm or more and 20 nm or less; and a B layer of a face-centered cubic lattice structure which is located on the A layer and comprises a nitride or a carbonitride.SELECTED DRAWING: Figure 1

The invention belongs to the technical field of inorganic non-metallic material preparation, and particularly relates to a high-entropy perovskite oxide material and a preparation method and application thereof. The preparation method disclosed by the invention is simple and convenient to operate and low in process energy consumption, and the prepared high-entropy perovskite oxide material is small in particle size, high in purity and good in microstructure and has good oxygen reduction catalytic activity. The preparation efficiency of the material is greatly improved, and the preparation method can be widely applied to a cathode of a solid oxide fuel cell (SOFC) and a sensitive electrode of a hydrogen-oxygen sensor, and is an excellent preparation method of the high-entropy perovskite oxide material.

The invention relates to the technical field of gas permeability testing, in particular to a method and device for measuring the hydrogen permeation rule of nonmetal in the thickness direction, and the device comprises a first supporting seat, a hydrogen filling tank, a sample, a hydrogen measuring hose, a hydrogen concentration detector, a second supporting seat, a hydrogen filling hole, a pressure relief hole, a detection hole, an exhaust window and a sealing O-shaped ring; hydrogen is charged through a hydrogen charging hole in one side of the hydrogen charging tank, the hydrogen permeates in the thickness direction of the sample according to the concentration gradient, and the hydrogen permeates into a detection hole and then enters a hydrogen concentration detector through a hydrogen measuring hose; the device can be used for measuring the hydrogen permeation rule of nonmetal in the thickness direction, and provides experimental support for related hydrogen permeation simulation, so that a basis is provided for research, development and selection of nonmetal materials of a hydrogen conveying system.

The invention relates to a ceramic filler for catalytic desorption of carbon dioxide and a preparation method thereof, and the ceramic filler comprises, based on the total weight of the ceramic filler, 70-95 wt% of a matrix material, 0.8-20 wt% of an active component loaded on the matrix material, and 0.3-15 wt% of an organic dopant; the matrix material comprises one or more of porous materials; the active component is selected from one or more of metal oxides and non-metal oxides; wherein the metal is selected from one or more of IIIA group elements, IVB group elements and VIII group elements, and the nonmetal is selected from one or more of IIIA group elements and IVA group elements. In the thermal desorption process of the ceramic filler, reaction barriers can be reduced, the reaction rate can be increased, and the desorption temperature of an organic amine absorbent can be reduced.

The invention relates to the technical field of heat sink materials, in particular to a heat sink plate, a preparation method thereof and a power device. An upper convex arc groove is formed in the bottom of the heat sink plate, a composite layer is arranged in the upper convex arc groove, and the composite layer is attached to the radian of the upper convex arc groove; the composite layer is formed by multiple layers of metal-nonmetal composite powder, and the content of the metal powder in the multiple layers of metal-nonmetal composite powder is decreased progressively in the protruding direction of the upper protruding arc groove. The heat sink plate has a certain radian, and then in the application process, after the heat sink plate is heated, the metal-rich end extends, the radian of the heat sink plate is reduced, the attaching area of the heat sink plate and a device is increased, the heat conductivity is increased, and the chip temperature is reduced.

The invention discloses a lubricating equipment component fault prediction test system, which relates to the technical field of lubricating equipment state monitoring and comprises a multi-source sensing module, a particle feature resolving module, an entropy analysis module, a collaborative diagnosis module and a decision execution module. According to the lubricating equipment part fault prediction test system, by means of the particle feature resolving module, materials of metal and non-metal abrasion particles can be accurately recognized, the flow speed and the concentration of the particles can be calculated, a detailed material proportion, size distribution and a real-time concentration thermodynamic diagram can be generated, and the entropy value analysis module is used for analyzing the real-time temperature and pressure data according to the real-time temperature and pressure data. An infinitesimal body entropy change value is accurately calculated, the phase change condition of a lubricant is accurately judged in combination with a preset threshold value, a collaborative diagnosis module carries out deep fusion and analysis on multi-source data, time asynchronism is eliminated through dynamic time warping and other algorithms, an association rule base is established, confidence is calculated, and therefore the fault type of a lubricating equipment component is comprehensively predicted.

The invention discloses an electrolytic double-spraying sample preparation method for analyzing a second phase in a nickel-based superalloy. The method comprises the following steps: (1) pretreating the nickel-based superalloy to obtain a thin sheet with the thickness of 50-100 microns; (2) carrying out electrochemical corrosion on the sheet by adopting an electrolytic double-spraying method to realize passivation protection on a matrix phase, and corroding and dissolving a gamma'phase until a corroded SEM observation sample is obtained; the electrochemical corrosion conditions are as follows: the working voltage is 15-20V; the working temperature is controlled between-20 DEG C and-10 DEG C; and the electrolyte comprises 15-25% of concentrated sulfuric acid and 75-85% of methanol. According to the method, the problem that carbide to be observed phase falls off and is lost due to corrosion of the wrapped matrix can be avoided, meanwhile, the carbide phase and non-metallic inclusions cannot be corroded, the outline of the second phase can be clearly reserved, impurity elements cannot be introduced, element analysis is facilitated, and the method is suitable for analysis of the second phase in the nickel-based high-temperature alloy.

There is provided a method for manufacturing graphene, the method comprising: forming graphene on a non-metallic surface of a substrate by CVD in a CVD reaction chamber, wherein the step of forming graphene comprises introducing a precursor in a gas phase and / or suspended in a gas into the CVD reaction chamber; wherein the precursor consists of one or more compounds selected from a C4-C10 organic compound; wherein the organic compound is branched such that the organic compound has at least three methyl groups; and wherein the organic compound consists of carbon and hydrogen and, optionally, oxygen, fluorine, chlorine and / or bromine.

The low-temperature target bin experimental device comprises a target box, a target frame, a gun barrel and refrigeration equipment, a rapid connecting device is arranged between the target frame and the target box, the target frame is movably connected in a drawing and inserting mode in the longitudinal direction of the target box through the rapid connecting device, and after the target frame is installed, a closed cavity isolated from the outside is formed in the target box and the target frame; a test sample piece is mounted in the center of the target frame; the center of the gun barrel directly faces the center of the test sample piece; the refrigeration end of the refrigeration equipment is located in the target box; and an observation part is arranged on the target box. The device has the beneficial effects that a sample material can be quickly mounted and dismounted, and the test efficiency is greatly improved while time and labor are saved. The device has a good heat preservation effect, can prevent materials easy to melt from being quickly melted or keep a required temperature environment for materials easy to melt and other metal, nonmetal and composite materials needing a low-temperature experiment, ensures that the experiment effect is ensured, and the experiment result is more real and accurate.

The invention belongs to the field of inorganic nonmetals, discloses a wide-temperature-range inorganic negative thermal expansion material and a synthesis method thereof, and requests to protect application of a Mn2V2O7 material as a negative thermal expansion material. The Mn2V2O7 material can be prepared on the basis of a solid-phase reaction method. The negative thermal expansion performance of the Mn2V2O7 material is disclosed for the first time, the negative thermal expansion temperature range is large and is 69-497 DEG C, the negative thermal expansion coefficient reaches-4 * 10 <-6 > DEG C <-1 >, and the Mn2V2O7 material is a wide-temperature-range inorganic negative thermal expansion material. The Mn2V2O7 material does not contain Hf, Dy, Lu, W and other rare metal elements, has a large negative thermal expansion temperature interval, and can be compounded with organic matters, metals, ceramics and the like to adjust the thermal expansion coefficient of the Mn2V2O7 material.

The invention discloses a method for rapidly measuring the surface wettability of ore grains based on low-field nuclear magnetic resonance, and belongs to the technical field of wettability measurement. According to the method, contact angles of part of energy, metal and non-metal ore particles are respectively tested through a seat drop method, then a T2 relaxation spectrum is obtained through a low-field nuclear magnetic resonance test, then a T2 weighted average value T2g value at different wetting times is obtained, linear quantitative fitting is carried out on the T2g value at different wetting times and the wetting time, and the wetting time is calculated. Obtaining a slope value kT2g of the linear function; performing first-order linear fitting on the kT2g and a corresponding ore grain contact angle theta to obtain a relational expression between the kT2g and the contact angle theta, and obtaining the wettability of the to-be-measured wettability ore grains through the relational expression between the kT2g and the contact angle theta. The linear model between the slope value and the contact angle of the T2 weighted average and wetting time fitting function established by the method is accurate and reliable, the evaluation of the surface wettability of the ore grains can be completed in only 3 minutes, and the method has the advantages of rapidness, high efficiency and the like.

The invention discloses a vacuum cup with a metal shell and an inner container directly compounded and a preparation method. The vacuum cup comprises a metal shell, an inorganic non-metal inner container and a transition layer located at openings of the metal shell and the inorganic non-metal inner container. The transition layer is at least one of a metal transition layer, a metal solder transition layer or a glass solder transition layer, the thermal expansion coefficient of the transition layer is between the thermal expansion coefficient of the metal shell and the thermal expansion coefficient of the inner container, and the thermal expansion coefficient meets the metal shell gt; a transition layer gt; an inorganic nonmetal liner; when the transition layer is a metal transition layer, the relative difference K between the transition layer and the thermal expansion coefficient of the metal shell is less than 60%; when the transition layer is a metal solder or glass solder transition layer, K is less than 20%; the total thickness of the transition layer is smaller than 1 mm. By reasonably controlling the material and thermal expansion coefficient of the transition layer, a middle structure with a deformation inhibition function is formed, thermal expansion deformation of the metal shell is relieved, the welding stress is reduced, the cracking risk is reduced, and reliable and direct compounding of the metal shell and the inorganic nonmetal inner container is achieved.