166 results about "Titanium zirconium" patented technology

The invention relates to the technical field of metal surface engineering, and discloses a laser cladding layer based on copper-magnesium-titanium-zirconium gradient design and a preparation method thereof.The preparation method comprises gradient structure design, a microstructure strengthening mechanism, a laser cladding process and thermal field control. By constructing a copper-magnesium-titanium component gradient transition structure and matching the thermal expansion coefficient difference between a matrix and a coating in real time, interface thermal stress accumulation can be dynamically inhibited, the crack defect caused by thermal expansion mismatch of a traditional cladding layer is avoided, ordered diffusion of elements at the interface is promoted through gradual change of gradient components, and the thermal conductivity of the cladding layer is improved. The metallurgical bonding reliability of the coating and a base body is improved, meanwhile, a stable coating is formed, the long-term service stability under the extreme working condition is guaranteed, a microstructure strengthening mechanism regulation and control means is adopted, the coating has a stable and effective protective barrier in a corrosive medium environment, and the problem of performance degradation caused by structure defects of a traditional cladding layer is solved.

The application provides a glass structure and an electronic device. The glass structure comprises a glass substrate and a first optical scratch-resistant layer, a second optical scratch-resistant layer and a first superhard layer which are sequentially stacked on one side of the glass substrate, the first optical scratch-resistant layer is formed by alternately stacking two layers of materials with different refractive indexes, the second optical scratch-resistant layer is formed by stacking three layers of materials with different refractive indexes, and the first superhard layer is a diamond-like layer doped with at least one element selected from silicon, aluminum, titanium, zirconium, molybdenum and nitrogen. The glass structure has good scratch resistance and optical properties which change little compared with the glass substrate, and can better meet the long-term use requirements of the electronic device shell.

The invention provides a high-strength and high-plasticity matched titanium-zirconium-based alloy wire rich in multi-scale eutectoid compounds and a preparation method of the high-strength and high-plasticity matched titanium-zirconium-based alloy wire, and belongs to the technical field of titanium alloy materials. According to the method, a titanium-zirconium-based raw material containing eutectoid beta stable elements is adopted, and a cast ingot is prepared through vacuum consumable smelting; grains are refined and high dislocation density is introduced through staged phase change region hot working of beta-phase region cogging forging, beta-phase region first-heating-number rolling and alpha + beta two-phase region second-heating-number rolling; and after drawing and sizing, a horizontal electric straightening machine is used for rapidly and electrically heating to separate out a nanoscale eutectoid compound, solid solution water quenching is combined for inducing a submicron eutectoid compound, and finally a finished product is obtained through grinding and polishing. The tensile strength of the prepared wire is larger than or equal to 850 MPa, the ductility is larger than or equal to 15%, matching of high strength and plasticity is achieved, the process is continuous and controllable, batch production is adapted, and high-performance domestic raw materials are provided for oral implants.

The application discloses a disinfection and sterilization functional resin master batch, a preparation method and application. The disinfection and sterilization functional resin master batch comprises a disinfection and sterilization functional material, is prepared by adopting resin slices and the disinfection and sterilization functional material to melt and mix and form, the resin slice material is selected from at least one of PET polyester, PP propylene, PS polystyrene and PA6 nylon, and the disinfection and sterilization functional material is a porous inorganic titanium zirconium phosphate functional material. The porous inorganic titanium zirconium phosphate functional material in the disinfection and sterilization functional resin master batch prepared by the method is uniformly distributed, and the porous inorganic titanium zirconium phosphate functional material on the surface of resin fibers or non-woven fabric fibers prepared by adopting the functional resin master batch is uniformly distributed. The disinfection and sterilization functional resin master batch can be used for producing disinfection and sterilization resin fibers, non-woven fabrics, air conditioner water tanks, air conditioner evaporation tanks, air conditioner shells, injection molding keys, remote controller shells and the like.

The invention relates to the technical field of catalyst recovery, and discloses a method for recovering platinum from a titanium-zirconium composite oxide platinum-loaded waste catalyst, which comprises the following steps: (1) roasting the platinum-loaded waste catalyst which takes TiO2-ZrO2 as a carrier, and crushing and grinding; (2) uniformly mixing the ground waste catalyst with disulfate, and carrying out roasting reaction to obtain a melt I; stirring and dissolving the melt I and an acid solution, and filtering to obtain filtrate and a filter cake I; (3) repeating the reaction in the step (2) on the filter cake I to obtain a filter cake II; (4) oxidizing and dissolving the filter cake II with hydrochloric acid and an oxidizing agent to obtain a platinum-containing solution; and (5) separating and purifying the platinum-containing solution to obtain metal platinum. According to the method, the carrier in the waste catalyst is decomposed by adopting the disulfate, and then the waste catalyst is oxidized and dissolved by adopting the hydrochloric acid and the oxidizing agent, so that the platinum recovery cost is reduced, the environmental pollution is reduced, the production efficiency is improved, and the cyclic utilization of resources is facilitated.

The application discloses the technical field of waste gas purification catalyst regeneration, and discloses a regeneration process of a low-temperature SCR denitration catalyst; the process comprises the following steps: after the deactivated catalyst is cleaned through ultrasonic cleaning, the deactivated catalyst is sequentially immersed in a chemical activation liquid and an oxidation treatment liquid for activation and oxidation treatment, then the deactivated catalyst is immersed in a water dispersion liquid containing tungsten-silicon heteropoly acid-zirconium titanium composite oxide core-shell structure material and polyvinylpyrrolidone, vacuum-assisted impregnation, drying and gradient temperature heat treatment are carried out, and a regenerated catalyst is obtained. The core-shell structure material is prepared by the following steps: synthesizing a titanium zirconium composite oxide carrier through a sol-gel method, loading cerium manganese active components through a coprecipitation method, modifying silicotungstic acid through a layer-by-layer self-assembly technology and surface silanization modification. The regenerated catalyst has the advantages of significant improvement in sulfur resistance and alkali metal poisoning resistance, simple process operation, low energy consumption and suitability for industrial application.

The invention provides a preparation method of a noble metal catalyst, which comprises the following steps: S1, carrying out hydrothermal treatment, drying and roasting on aluminum oxide to obtain aluminum oxide powder; s2, after titanium salt and zirconium salt are mixed according to a preset proportion, a diluent is added, and a precursor solution is obtained; dipping and mixing the aluminum oxide powder and the precursor solution according to a preset first mass ratio, and then washing, drying and roasting to obtain a titanium-zirconium-aluminum composite carrier; s3, mixing and grinding the titanium-zirconium-aluminum composite carrier, noble metal and an oxygen storage material according to a preset second mass ratio to obtain coating slurry; the noble metal is one or more of platinum, palladium and rhodium; s4, coating a target carrier with the coating slurry, and then drying and roasting to obtain the noble metal catalyst. Therefore, the catalytic efficiency and stability of the noble metal catalyst can be improved.

The invention discloses a high-temperature-resistant high-activity metallocene catalyst and application thereof, and belongs to the technical field of olefin polymerization catalysts. The catalyst provided by the invention is formed by taking a fused ring structure with a rigid framework as a ligand framework and coordinating with transition metal titanium, zirconium or hafnium, so that the catalyst has excellent thermal stability and high catalytic activity, and is suitable for copolymerization reaction of ethylene and alpha-olefin. In the high-temperature polymerization reaction, the catalyst provided by the invention realizes efficient copolymerization of ethylene and alpha-olefin, and the obtained copolymer not only has higher molecular weight, but also has higher comonomer insertion amount, so that the structure and performance of the product are effectively regulated and controlled.

The present invention relates to a windscreen (10), comprising an outer pane (1) with an outer surface (I) and a surface (II) towards the interior and an inner pane (2) with an outer surface (III) and a surface (IV) towards the interior. The surface (II) towards the interior of the outer pane (1) and the outer surface (III) of the inner pane (2) are connected together by a thermoplastic intermediate layer (3), which has a transparent see-through region (D) and an opaque masking region (M) and which has a display region (A) arranged in the masking region (M), and which is provided at least in the display region (A) with a reflective coating (20) arranged on the outer surface (III) or the surface (IV) towards the interior of the inner pane (2). The reflective coating (20) comprises, starting from the inner pane (2) in the order indicated: • a dielectric lower blocker layer (21) having a refractive index of greater than or equal to 1.9, • at least one functional layer (22) based on at least one metal selected from the group consisting of nickel, chromium, niobium, tantalum, titanium, zirconium, hafnium, vanadium, molybdenum, tungsten, palladium, platinum, indium and tin, • a dielectric upper blocker layer (23) having a refractive index of greater than or equal to 1.9, • an optically low refractive layer (24.1) having a refractive index of less than or equal to 1.6, and • an optically high refractive layer (24.2) having a refractive index of greater than or equal to 1.9.

The present application provides a compound used as a coating agent for providing a particle having excellent dispersibility and refractive index, a particle having a surface coated with the compound, a production method thereof, and a dispersion composition containing the particle. The compound according to the present application has a structure represented by Formula (1). In the formula, R 1 represents an organic group having 1 to 30 carbon atoms, R 2 represents OR 3 or a group represented by Formula (2), R 3 represents an organic group having 1 to 30 carbon atoms, n1 and n2 represent an integer of 0 or more, n1 + 2 x n2 represents a valence number determined by the kind of L, L represents aluminum, gallium, yttrium, titanium, zirconium, hafnium, bismuth, tin, vanadium, or tantalum, * represents a bonding site, and R 4 and R 5 represent an organic group having 1 to 30 carbon atoms which can have an oxygen atom. The particle according to the present application has a structure represented by Formula (1) on the surface.

Described is a moisture-curable silicone composition comprising at least one crosslinkable polydiorganosiloxane having alkoxysilane end groups, at least one condensation catalyst, at least one crosslinking agent having alkoxysilane groups, and optionally further ingredients; characterised in that the condensation catalyst is the reaction product obtained from the reaction of 1 equivalent of a metal complex with 0.1 to 1 equivalent of a preferably partially esterified phosphoric acid or organic phosphonic acid, where the metal complex MC is a titanium (IV), zirconium (IV) or aluminum (III) complex, preferably a titanium (IV) complex, having at least one alkoxy ligand and at least one organic chelate ligand. The compositions are particularly suitable as low modulus adhesives or sealants and have excellent mechanical properties such as tensile strength and tear propagation resistance as well as excellent storage stability, especially in the form of RTV-1 formulations.

The application belongs to the technical field of organic ester, and particularly relates to a Ti / Zr-Si porous catalyst, a preparation method thereof and a catalytic esterification method. The application introduces an organic acid source in a system for preparing a molecular sieve, and a core-shell type heterogeneous esterification catalyst material with titanium / zirconium in a tetra-coordination framework as a core and titanium / zirconium in a penta / six-coordination as a shell is prepared by combining the porous molecular sieve with a binder precursor. The catalyst contains abundant secondary pores in the molecular sieve crystals and between the binders, which effectively improves the esterification reaction performance and activity stability of the catalyst.

The application discloses a conversion liquid for forming a surface conversion film of non-oriented silicon steel, the conversion liquid is acidic, the solid content of the conversion liquid is 10-30wt%, and the solid content includes: inorganic conversion film components, which are at least one of fluorides of titanium, zirconium, hafnium and silicon, and the mass percentage of the inorganic conversion film components in the conversion liquid is 1-10wt%; and aqueous organic resin, the mass percentage of the aqueous organic resin in the conversion liquid is 0-20wt%. Correspondingly, the application also discloses a process for forming a surface conversion film of non-oriented silicon steel, which is characterized in that: before an insulating coating process, the non-oriented silicon steel substrate is subjected to surface immersion treatment by using the conversion liquid according to the application; the immersion time is 2-15s, the immersion temperature is 5-40 DEG C; and the surface conversion film is formed by drying and curing.

The invention discloses a process for producing titanium-zirconium-hafnium series metal through continuous reduction, which comprises the following steps: in an inert atmosphere, heating a reactor to a reaction temperature, adding metal magnesium, and then continuously adding tetrachloride at a constant high speed to carry out reduction reaction. In the reaction process, magnesium chloride melt is continuously or intermittently discharged, and metal magnesium is supplemented to maintain the reaction; meanwhile, the generated sponge titanium is continuously moved out and conveyed to a collector through a conveying device directly communicated with the reactor. The whole process of feeding, reacting, discharging and product moving-out is continuous, a traditional sequencing batch production mode is subverted, the titanium tetrachloride feeding speed can be stably kept at a high level (for example, the titanium tetrachloride feeding speed is larger than or equal to 1600 kg / h), the production efficiency is remarkably improved compared with a traditional process, meanwhile, stability and excellent product quality are guaranteed, the automation degree is high, and the production cost is low. And centralized recycling of reaction waste heat can be realized.

The invention relates to a low-temperature SCR denitration catalyst for preventing ammonia escape and a preparation method thereof, and belongs to the technical field of catalysts. According to the catalyst, niobium-cerium composite oxide is used as an active component (25-45%), titanium-zirconium composite oxide is used as a carrier (50-70%), lignin-derived carbon microsphere modified bismuth molybdate is added as an auxiliary agent (3-7%), graphene quantum dots are used as a structure enhancer (0.5-2%, the particle size is 2-5 nm), and sesbania powder is used as a binder (1.5-2%). The assistant is prepared by reacting alkali lignin with formaldehyde and phenol to prepare microspheres, carbonizing, treating with nitric acid, and compounding with bismuth molybdate. The preparation method comprises the following steps: respectively preparing the active component, the carrier and the graphene quantum dots, mixing in proportion, adding the binder, granulating, molding, and calcining to obtain the catalyst. The catalyst has high specific surface area and specific pore size distribution, can effectively improve the low-temperature denitration efficiency and prevent ammonia escape, and is suitable for industrial low-temperature flue gas denitration treatment.

Including an optoelectronic component: - a substrate (1); - an anode (2) and a cathode (10) - at least one active layer arranged between the anode and the cathode (6), wherein - an amorphous dielectric layer (3) containing or consisting of a metal oxide, a metal nitride or a metal oxynitride is arranged directly on the cathode-side surface of the anode (2), wherein the metal contained in the metal oxide, metal nitride or metal oxynitride is selected from one or more of the metals of the group consisting of aluminium, gallium, titanium, zirconium, hafnium, tantalum, lanthanum and zinc, wherein a hole injection layer (4) having a thickness of less than or equal to 20 nm is arranged directly on the amorphous dielectric layer (3).

The invention is applicable to the technical field of glass fibers, and provides a low-dielectric glass fiber, which is characterized by comprising 50.0 to 58.0 wt% of SiO2, 18.0 to 26.0 wt% of B2O3, 13.0 to 18.0 wt% of Al2O3, 0.0 to 5.0 wt% of Mg0, 2.0 to 5.0 wt% of Ca0, 0.0 to 0.5 wt% of R20, 0.0 to 1.5 wt% of TiO2 and 0.0 to 3.0 wt% of a titanium-zirconium-hafnium ternary mixed oxide. The method can effectively solve the problems that in the prior art, bubble detection lags behind, a temperature control system operates in an isolated mode, and technological parameter optimization depends on experience, instant feedback of bubble data is achieved through the real-time online bubble detection technology, and powerful support is provided for accurate adjustment of clarification technological parameters.

A non-equiatomic high entropy alloy (HEA) includes titanium in an amount of 33 to 37 atomic percent, zirconium in an amount of 33 to 37 atomic percent, niobium in an amount of 18 to 22 atomic percent, tantalum in an amount of 3 to 7 atomic percent, and silver in an amount of 3 to 7 atomic percent, wherein atomic percent is based on the total atom count of the HEA. The elements titanium, zirconium, niobium, tantalum, and silver are randomly distributed within the HEA. A method of preparation thereof and its use thereof as a bioimplant with improved corrosion resistance, anti-bacterial properties, and reduced elastic modulus.

The application relates to the technical field of metal materials, and discloses a kind of porous microchannel processing metal materials, comprising the following mass percentage components: aluminum 0.5%-3.0%, nickel 2.0%-5.0%, titanium 0.2%-1.0%, zirconium 0.1%-0.5%, silicon carbide or aluminum nitride reinforcing phase 1.0%-4.0%, composite pore-forming agent 3%-10%, rare earth elements 0.03%-0.1%, zirconium oxide 0.05%-0.2%, chromium 1.0%-3.0%, carbon 0.01%-0.1%, copper matrix: the balance. Through unique component design and composite preparation process, good balance between high thermal conductivity and high strength of the porous microchannel metal material is realized, the room temperature tensile strength is enhanced, the elongation rate is 18%, and the performance is still excellent after 500 times of thermal cycle. The performance improvement is mainly due to the synergistic effect of copper matrix and microalloy elements, and fine regulation of pore structure.

The utility model discloses a wastewater treatment device for titanium zirconium ore processing, which belongs to the technical field of ore processing and comprises a treatment tank and a tank cover. The driving rod is rotationally connected to the tank cover; the storage barrel is fixedly connected to the bottom of the driving rod; the plurality of groups of stirring pipes are fixedly connected to the side wall of the storage barrel; a pressure release valve is connected in the stirring pipe; according to the utility model, the driving cylinder intermittently inflates and accumulates pressure into the material storage cylinder, so that a disinfectant in the material storage cylinder can be discharged into the treatment tank in batches, and the disinfectant is fully mixed with wastewater, thereby solving the problems of uneven mixing and slow disinfection rate due to the fact that the disinfectant is discharged into the wastewater at one time in the prior art; the mixing effect is effectively improved, and the disinfection efficiency is improved; meanwhile, the stirring pipe is arranged in an arc shape, the liquid spraying direction is opposite to the rotating direction, the disinfectant can effectively collide with the stirred waste water when being sprayed out, the mixing effect and the disinfection efficiency are further enhanced, and the disinfectant and the waste water are promoted to be more fully contacted and reacted.

The invention relates to an aluminum alloy for a photovoltaic frame, which comprises the following components in percentage by weight: 0.75 to 0.78 percent of silicon, 0.58 to 0.60 percent of magnesium, 0.08 to 0.15 percent of iron, 0.04 to 0.08 percent of copper, 0.03 to 0.06 percent of manganese, 0.05 percent of chromium, 0.03 percent of zinc, 0.05 percent of titanium, 0.05 to 0.08 percent of zirconium and the balance of aluminum, preferably 0.08 to 0.12 percent of iron, 0.06 percent of copper, 0.05 percent of manganese and 0.02 percent of zinc, and the ratio of silicon to magnesium is between 1.25 and 1.34. The method comprises the following steps of raw material preparation, refining, refining, casting, homogenization heat treatment, extrusion quenching, straightening and aging heat treatment, the chemical components of the aluminum alloy are adjusted to achieve the optimal combination, meanwhile, the technological process is improved, the comprehensive performance of the aluminum alloy is improved, the application range of the aluminum alloy is widened, and the service life of the aluminum alloy is also prolonged.

The invention relates to an aluminum alloy for a high-strength vehicle body material and a preparation method of the aluminum alloy, and belongs to the technical field of aluminum alloys. The aluminum alloy for the high-strength vehicle body material comprises the following components in percentage by mass: less than or equal to 0.3% of silicon, less than or equal to 0.35% of iron, less than or equal to 0.2% of copper, 0.2-0.7% of manganese, 1.0-2.0% of magnesium, less than or equal to 0.3% of chromium, 4.0-5.0% of zinc, less than or equal to 0.2% of titanium, less than or equal to 0.25% of zirconium and the balance of aluminum. The invention further provides a preparation method of the aluminum alloy for the high-strength vehicle body material. The aluminum alloy for the high-strength vehicle body material provided by the invention is easy to process when being used for preparing a vehicle body profile, and can be used for extruding a large wide profile which is complex in shape and relatively thin in wall thickness. The aluminum alloy material is excellent in mechanical property, can meet the requirement of a vehicle body structure for the bearing capacity, is high in fatigue strength, can bear the complex stress environment due to the high fatigue strength, and reduces the generation and expansion of fatigue cracks.

This application provides a method for deep removal of calcium impurities from scandium oxide, belonging to the field of rare earth metal oxide purification. The method includes: dissolving scandium oxide raw material containing calcium impurities to obtain a calcium-containing scandium solution; adding a pH adjuster to the calcium-containing scandium solution to obtain a first scandium solution; reacting the first scandium solution with phosphoric acid and / or phosphate to obtain a second scandium solution and solid calcium phosphate; reacting the second scandium solution with a complexing agent to obtain a third scandium solution; reacting the third scandium solution with oxalic acid and / or sodium oxalate to obtain scandium oxalate crystals and a calcium complex solution; adding a strong acid solution to the calcium complex solution; and calcining the scandium oxalate crystals to obtain scandium oxide. Through calcium phosphate precipitation-complexation-crystallization, not only can calcium impurities be deeply removed from scandium oxide products, but impurities such as iron, titanium, and zirconium can also be removed, resulting in scandium oxide products with a purity of over 99.99%.

A ceramic composite substrate (100) and a method for producing the ceramic composite substrate (100) are provided. The ceramic composite substrate (100) comprises a ceramic plate (1), a printed circuit board (2), and a composite structure (3) adhering to the ceramic plate (1) and the printed circuit board (2). The adhering composite structure (3) comprises a first active metal layer (31), a second active metal layer (32), and a solder layer (33). The first active metal layer (31) contains an active metal material selected from the group consisting of a Group IV metal, a Group V metal, and titanium hydride. The Group IV metal is titanium, zirconium, or hafnium, and the Group V metal is vanadium, niobium, or tantalum. The second active metal layer (32) consists of titanium or titanium hydride. The solder layer (33) comprises tin and copper. The ceramic composite substrate (100) has a tensile strength of 100 N / cm to 340 N / cm.

The invention discloses a composite ceramic substrate and a manufacturing method thereof. The composite ceramic substrate comprises a ceramic substrate, a circuit board and a composite bonding structure for bonding the ceramic substrate and the circuit board. The composite bonding structure comprises a first active metal layer, a second active metal layer and a solder layer. The first active metal layer includes an active metal material, and the active metal material is at least one selected from the group consisting of Group 4 metals, Group 5 metals and titanium hydride. The Group 4 metal is titanium, zirconium, or hafnium, and the Group 5 metal is vanadium, niobium, or tantalum. The second active metal layer is made of titanium or titanium hydride. The solder layer includes tin and copper. The tensile strength of the composite ceramic substrate ranges from 100 N / cm to 340 N / cm. According to the composite ceramic substrate and the manufacturing method thereof, the problems that in an existing ceramic substrate manufacturing method, electromigration possibility is caused due to the fact that high-content silver is used, and the process cost is too high can be effectively solved.

This invention provides the preparation of an anthracene-skeletal pyridineamine-based binuclear titanium-zirconium-hafnium catalyst and its application in catalyzing the polymerization of olefins to synthesize elastomers. The anthracene-skeletal pyridineamine-based binuclear titanium-zirconium-hafnium catalyst reported in this invention features simple synthesis, readily available raw materials, and high product yield. It exhibits high catalytic activity in the copolymerization of ethylene and α-olefins (with a maximum activity reaching 9.02 × 10⁻⁶). 7 ·mol ‑1 ·h ‑1 It also exhibits better copolymerization properties (1-octene insertion rate up to 32.6 mol%); in propylene polymerization, efficient polymerization can be achieved by controlling the steric hindrance of different substituents (the highest activity can reach 8.56 × 10⁻⁶). 7 g·mol ‑1 ·h ‑1 Synthesize polymers with ultra-high molecular weight (polymer molecular weight reaches 4560 kg·mol⁻¹). ‑1 This invention relates to a random polypropylene elastomer; particularly in high-temperature solution polymerization, the catalyst maintains excellent polymerization performance for the preparation of high-quality, high-performance polyolefin materials. The metal catalyst provided by this invention is original and innovative, and can promote the development of my country's high-end polyolefin chemical industry.

The application relates to the technical field of brazing materials, in particular to a high-performance aluminum-based filler metal and a preparation method thereof. The high-performance aluminum-based filler metal comprises the following components: 5-15 wt% of silicon, 1-8 wt% of copper, 0.2-2 wt% of rare earth elements, 0.02-0.5 wt% of trace elements, 0.3-3 wt% of nano-enhanced phases and the balance of Al. The rare earth elements are a combination of lanthanum, cerium and neodymium; the trace elements are a combination of titanium, zirconium, boron and vanadium; and the nano-enhanced phases are a combination of nano-aluminum oxide and nano-silicon carbide. The preparation method comprises raw material preparation, composite smelting, belt casting and post-treatment. The aluminum-based filler metal has excellent wettability, flowability, joint strength, thermal conductivity and corrosion resistance. The preparation method has the advantages of short production cycle, energy saving and consumption reduction, stability and controllability, high preparation efficiency, low preparation cost, contribution to improvement of the market competitiveness of the material and meeting of large-scale demands in the field of high-end precision manufacturing.

The present invention relates to a process for producing a composite ferrocyanide adsorbent of a transition metal in the silica gel matrix comprising the following steps: (i) the preparation of a first aqueous composition comprising at least a mixture of a sodium or potassium ferrocyanide with a sodium silicate solution so as to obtain the dissolution of salts; (ii) the preparation of a second composition comprising a mixture of at least: a transition metal salt selected from one or more of the following compounds: nickel, copper, zinc, cobalt, and an inorganic acid; (iii) the mixing of the first aqueous composition with the second composition until a suspension is obtained; (iv) the addition of an inorganic acid or base so that the suspension obtained at the end of step (iii) has a pH ranging from 4 to 9;(v) the separation of the suspension obtained at the end of step (iv) so as to obtain a precipitate within a liquid phase; (vi) the separation of said precipitate, the rinsing and drying of the precipitate, so as to obtain a solid precipitate, characterized in that the first aqueous composition comprises a soluble salt of rubidium or cesium, and the second composition further comprises a soluble salt of metal selected from one or more of the following compounds: aluminium, titanium, zirconium.;

The application belongs to the technical field of solid electrolyte, and particularly relates to a method for preparing a cation-nitrogen co-doped LLZO electrolyte ceramic film by one-step method. In view of the problems of complicated process, high cost and difficulty in industrialization of the existing electrolyte, the application provides a one-step sintering preparation scheme, and the obtained electrolyte is abbreviated as LLZO-MN, M is one or more of aluminum, gallium, indium, iron, titanium, zirconium and copper, metal nitride is used as a doping source, conventional lithium source, lanthanum source and zirconium source are matched, and after ball milling and die pressing, a segmented temperature control one-step sintering process is adopted to prepare in an air atmosphere, so that the secondary treatment process of traditional two-step sintering is saved; the metal M and N³ ‑ A Li-M-O-N synergistic coordination structure is formed in the crystal lattice, and no impurity phase is generated. The process is simple, the preparation cost is low, the original crystal structure is not damaged after doping, the interface reaction can be optimized, the lithium ion conductivity can be improved, the electrolyte has high density and uniform doping, and is suitable for solid-state lithium metal batteries and other energy storage devices.

The application discloses a preparation method of a double-layer ceramic substrate based on an AMB process and relates to the technical field of semiconductors. The specific steps comprise the following: after positioning holes and through holes are obtained by processing micropores on a ceramic layer, the ceramic layer is cleaned, the edge slag of the holes is removed, a single-side metal layer is deposited, after the deposition is completed, the holes are filled by silk screen printing, after the hole filling is completed, drying is performed, a metal foil is arranged between two dried ceramic layers, the two sides of the metal foil are in contact with the single-side deposited metal layers on the two ceramic layers, alignment and stacking are performed by using the positioning holes, an integrated structure is formed by vacuum brazing, and a double-side ceramic substrate is obtained. The composition of the metal layer is one or a combination of multiple of titanium, zirconium, tungsten, copper, nickel and silver; the metal foil is one of tungsten foil, molybdenum foil and tungsten-molybdenum foil obtained by calendering; and the slurry for filling the holes comprises non-fusible metal powder, fusible metal powder and an organic carrier.