22 results about "STANNOUS OXIDE" patented technology

The application provides a composite film and a preparation method and application thereof, and the preparation method comprises the following steps: (1) performing first plasma deposition treatment by using a composite tin target material to obtain a first tin oxide layer; (2) performing second plasma deposition treatment on the surface of the first tin oxide layer by using the composite tin target material to form a second tin oxide layer, thereby obtaining the composite film; wherein the composite tin target material comprises stannous oxide and tin oxide; the oxygen partial pressure of the first plasma deposition treatment is less than the oxygen partial pressure of the second plasma deposition treatment. The application adopts plasma deposition to prepare an electron transport layer, introduces trace oxygen vacancies by controlling the oxygen content in the target material and the oxygen partial pressure in the deposition process, activates interface carriers, promotes electron extraction, and improves the photoelectric performance and stability of the composite electron transport layer.

The invention relates to a zinc negative electrode with a stannous oxide protective layer constructed based on magnetron sputtering and a preparation method and application of the zinc negative electrode, and belongs to the technical field of aqueous zinc battery materials. The preparation method of the zinc negative electrode for constructing the stannous oxide protective layer based on magnetron sputtering comprises the following steps: depositing a stannous oxide protective layer on the surface of a pretreated zinc substrate in a mixed atmosphere of oxygen and argon by adopting a magnetron sputtering process and taking a metallic tin target as a sputtering source, and then carrying out annealing treatment in an air atmosphere to obtain the zinc negative electrode with the stannous oxide protective layer. Obtaining a finished product. The stannous oxide thin film provided by the invention has good zinc affinity, can induce uniform zinc nucleation and deposition, and has excellent electrochemical stability, so that side reactions such as hydrogen evolution and corrosion can be effectively inhibited; the obtained nano stannous oxide film remarkably reduces the zinc ion migration energy barrier, reduces the polarization voltage and prolongs the cycle life; and the preparation method is simple and convenient in process, controllable in parameters and suitable for large-scale preparation, and has good economical efficiency and application prospects.

The invention relates to a method for one-step synthesis of high-quality stannous oxide through intermittent ultrasonic reinforcement, and belongs to the technical field of semiconductor material preparation. The preparation method comprises the following steps: dropwise adding a sodium hydroxide aqueous solution into a stannous chloride aqueous solution at room temperature under a stirring condition until the pH value is 12.5-13.5 to form a mixed solution system; applying intermittent ultrasonic waves to the mixed solution system for intermittent ultrasonic treatment to induce direct nucleation and growth of stannous oxide and synchronous removal of chlorine impurities, carrying out solid-liquid separation, and drying the solid to obtain the low-chlorine fine-particle-size stannous oxide. According to the method, through the work-stop periodic effect of intermittent ultrasound, dynamic conditions are provided for diffusion and desorption of chloride ions while nucleation and growth regulation are promoted through cavitation, cooperative regulation of particle size refinement and deep dechlorination of stannous oxide is achieved, a high-temperature step or repeated washing is not needed, the process is simple and efficient, the conditions are mild, and the method is suitable for industrial production. And controllable preparation of the high-performance stannous oxide material can be realized.

The invention discloses time indication ink and a time indication label. The time indication ink comprises 20-50 parts of film-forming resin, 30-90 parts of a solvent and 4-10 parts of stannous hydroxide powder. According to the time indicating ink, the components of the ink contain stannous hydroxide, the stannous hydroxide is easily subjected to intramolecular dehydration in a dry environment to generate stannic oxide, the color of the stannous hydroxide is changed from white to black in the process, and the color change degree of the stannous hydroxide can be used for indicating the time progress. The time indicating label contains the time indicating ink.

This invention discloses a method for preparing tin dioxide hydrated colloidal precursors via dual-anode synchronous electrolysis, belonging to the field of electrochemical preparation technology of inorganic functional materials. The method includes the following steps: a) preparing an electrolyte containing 0.01 M hydrochloric acid and adjusting the initial pH value; b) using a high-purity tin plate as anode 1 and a titanium-based size-stabilized electrode as anode 2; using the titanium-based size-stabilized electrode as a common cathode; c) applying a DC voltage for constant-voltage synchronous electrolysis; anode 1 dissolves to generate stannous ions, anode 2 electrolyzes chloride ions to generate hypochlorous acid, and the hypochlorous acid instantly oxidizes the stannous ions to tetravalent tin ions in the bulk solution far from the cathode, forming a translucent tin dioxide hydrated colloidal precursor in situ in an acidic medium; d) drying the resulting colloid under reduced pressure and then calcining it at 200–250℃ to obtain high-purity nano-tin dioxide. This invention achieves integrated "dissolution-oxidation-gelation" through dual-anode synergy, avoiding the loss of hypochlorous acid during cathode reduction.

The invention relates to the technical field of zinc-nickel batteries, and provides an electrolyte for inhibiting overdischarge of a zinc negative electrode and a preparation method of the electrolyte. The electrolyte for inhibiting overdischarge of the zinc negative electrode effectively reduces the activity of water in the electrolyte and inhibits the decomposition of the electrolyte in the overdischarge process by utilizing the combined action of the matching solvent and the polymer, inhibits the dissolution and corrosion of zinc powder by utilizing zinc oxide, aluminum oxide and stannous oxide dissolved in the electrolyte, relieves the influence of overdischarge on the zinc negative electrode, and improves the overdischarge performance of the zinc negative electrode. And the cycling stability of the zinc battery is improved.

This invention relates to the field of electroplating waste resource utilization technology, specifically a method and equipment for preparing tin oxide from tin plating sludge. The method includes a box-type dryer, a crushing box, a box-type high-temperature furnace, a tubular atmosphere furnace, and a vibrating screen. A support frame is fixedly connected to the lower part of the crushing box, and a spring is fixedly connected to the top of the support frame. A screening plate is fixedly connected to the top of the spring. A rotating rod is rotatably connected through the crushing box, and an eccentric wheel is fixedly connected to the outer ring of the rotating rod. A discharge port is opened on the left side of the crushing box. Two rotating shafts are rotatably connected through the upper part of the crushing box, and crushing rollers and gears are fixedly connected to the outer rings of the rotating shafts. This method eliminates the need for acid washing or alkali washing to remove organic matter from the tin sludge, directly utilizing the carbon powder formed after the organic impurities in the tin sludge are carbonized as a reducing agent. The process involves fewer steps and is simple to operate.

What is provided is stannous oxide having an α-ray emission amount of 0.002 cph / cm2 or less after heating in an atmosphere at 100° C. for 6 hours. Tin containing lead as an impurity is dissolved in a sulfuric acid aqueous solution to prepare a tin sulfate aqueous solution, and lead sulfate is precipitated in the aqueous solution and removed. While stirring the tin sulfate aqueous solution from which lead sulfate has been removed, a lead nitrate aqueous solution containing lead having an α-ray emission amount of 10 cph / cm2 or less is added to cause lead sulfate to be precipitated in the tin sulfate aqueous solution, and simultaneously the tin sulfate aqueous solution is circulated while removing the lead sulfate from the aqueous solution. A neutralizing agent is added to the tin sulfate aqueous solution to collect stannous oxide.

The application discloses a preparation method of phytosterol ester, and relates to the technical field of food engineering, and comprises the following steps: loading a catalyst and active ingredients, wherein the active ingredients comprise stannous oxide, and the loading material comprises one or more combinations of kaolin, activated clay and diatomite; a phytosterol mixture and oleic acid with a preset concentration are added into a reaction kettle according to a first preset mass ratio, and are uniformly mixed; the loaded catalyst is further added into the reaction kettle, and the mass ratio of the loaded catalyst to the phytosterol mixture is a second preset mass ratio; the reaction kettle is controlled to reach a preset vacuum pressure, and a phytosterol ester is obtained by reacting at a first preset temperature and a preset stirring speed for a first preset time; and the application can solve the technical problems of complex process and catalyst residue in the prior art.

This invention discloses a Sn-based catalyst, its preparation method, applications, and a method for the electrocatalytic synthesis of formic acid in an alkali-free metal salt electrolyte. The Sn-based catalyst comprises a crystalline stannous sulfide phase and an amorphous stannous oxide phase, with the crystalline stannous sulfide phase and the amorphous stannous oxide phase forming a heterostructure. The aforementioned Sn-based catalyst can improve the selectivity of specific products in the electrocatalytic reduction of carbon dioxide.

The invention provides a P-type stannous oxide thin film. The P-type stannous oxide thin film is obtained by carrying out magnetron sputtering on a Sn target material with the Te content of 1-10at%, packaging and annealing. The invention also provides a thin film transistor comprising the P-type stannous oxide and an inverter comprising the thin film transistor. Meanwhile, the invention also provides a preparation method of the thin film transistor and the phase inverter.

This invention discloses a microcrystalline glass / porous fiber anode material and its preparation method, belonging to the field of battery anode materials. The microcrystalline glass is characterized by being a fluorine-oxygen metal oxide co-doped microcrystalline glass, wherein the fluorine-oxygen metal oxide is two or more of stannous fluoride, stannous oxide, germanium oxide, and selenium oxide. The fluorine-oxygen metal oxide co-doped microcrystalline glass anode material is a microcrystalline glass material with a stable perovskite structure within an amorphous network structure. It is obtained by high-temperature melting-cold extraction-melting-cold extraction followed by grinding into powder. The porous fiber is bamboo carbon fiber with mesopore size. The powder is embedded into the bamboo material using a negative pressure adsorption method and then carbonized to finally obtain the microcrystalline glass / porous fiber anode material. This method has a simple manufacturing process, excellent electrochemical performance, and can be used in the battery industry.

The invention provides a hydrogen gas-sensitive material, a gas sensor, and a preparation method and application of the hydrogen gas-sensitive material and the gas sensor. The hydrogen gas-sensitive material comprises stannic oxide and stannous oxide in a molar ratio of 1: (1-2). The tin oxide and the stannous oxide with the molar ratio of 1: (1-2) are used as the hydrogen gas-sensitive material, can be used as the gas-sensitive material in a gas sensor, have relatively high sensitivity and selectivity to hydrogen, and can continuously and stably work in the air.

The utility model relates to the technical field of protection, in particular to a glass protection device for overhauling an annealing kiln, which comprises a support rod and a protection component, and the protection component comprises a lifting component, a driving component, a folding plate, a cross beam and a sliding block; the supporting rod is used for supporting parts of the device, the device is installed between the cooling water bag and a tin bath, when the cooling water bag is inserted for use, the cooling water bag penetrates through the supporting rod, and the driving component drives the folding plate to be in a contracted shape and located on the upper portion of the cooling water bag. The driving component drives the folding plate to be unfolded, then the lifting component drives the unfolded folding plate to be inserted into the tin bath, stannous oxide and stannous sulfide are prevented from dripping on a glass plate, and the problems that when a cooling water drum is cleaned, the temperature in the tin bath rises, the internal atmosphere changes, and condensed SnO and SnS drip on a glass tape under the action of the gravity of the SnO and SnS and the air flow fluctuation, so that the glass tape is damaged are solved. And impurity defects on the upper surface are formed.

The application discloses a phase change heat conducting film based on low-melting alloy oxidation doping and a preparation method thereof. The phase change heat conducting film is composed of a low-melting alloy and in-situ oxidized and internalized metal oxides, the low-melting alloy is composed of a ternary alloy formed by three metals of indium, bismuth and tin, and the metal oxides include four kinds of indium oxide, bismuth oxide, tin oxide and stannous oxide. The low-melting alloy is doped into the alloy interior by stirring and in-situ generated metal oxides at the air interface, the film forming performance is improved by using the enhanced heterogeneous interface interaction force, the problem of leakage of molten metal after phase change of the phase change heat conducting film is solved, the thermal performance is much higher than that of the current phase change thermal interface material, the phase change heat conducting film can be recycled and reused, and good application prospect and commercial development value are shown.

The invention discloses a preparation method of high-molecular-weight hydrogenated bisphenol A polycarbonate, which is prepared by carrying out transesterification condensation polymerization on high-trans hydrogenated bisphenol A serving as a raw material and diester carbonate, and the weight-average molecular weight is greater than or equal to 27000 g / mol; the high-trans hydrogenated bisphenol A is hydrogenated bisphenol A containing 95% wt or more of trans / trans isomers, and the catalyst is at least one of cesium carbonate, stannous oxide and dibutyltin oxide. According to the invention, the proportion of T-T isomers in HBPA is increased to more than 95%, and the reaction activity difference between isomers is reduced; the HBPA-PC prepared from the high-trans hydrogenated bisphenol A breaks through the molecular weight bottleneck, and the weight-average molecular weight can reach more than 2.70 thousand. According to the preparation method disclosed by the invention, molecular weight jump is realized under the condition of extremely low catalyst dosage, negative effects caused by catalyst residues are eliminated, and the product is free of yellowing and good in heat resistance.

This invention relates to a method for separating an indium-tin-silver ternary alloy, belonging to the field of pyrometallurgical technology for non-ferrous metals. The indium-tin-silver ternary alloy is heated to complete melting, then inserted into a crystallization shaft. Cooling water is passed through the shaft, which slowly rotates and rises. Silver crystallizes on the shaft, while indium and tin remain molten. The resulting indium-tin melt is then placed in an oxidation volatilization furnace for further melting. Oxygen is bubbled in from the bottom, oxidizing tin and indium. Stannous oxide volatilizes, resulting in stannous oxide in the condensation section, while indium oxide remains in the bottom crucible. This invention features a short process flow, achieving efficient separation of silver, tin, and indium through only two steps: crystallization and oxidation volatilization.

The invention belongs to the technical field of semiconductors, and particularly relates to a thulium-doped stannous oxide film and a preparation method thereof. The thulium-doped stannous oxide thin film comprises a substrate, a Tm: SnO material layer and a packaging layer which are sequentially stacked from bottom to top, the doping concentration of Tm in the Tm: SnO material layer is 2-5at% in terms of the total atom content of the Tm: SnO material layer. The crystal structure of SnO is regulated and controlled by doping the rare earth element thulium, so that the crystallinity is improved, the grain size is increased, and the (110) crystal face preferential growth is realized. The core of the preparation method of the thulium-doped stannous oxide thin film is that after a Tm: SnO material is deposited, a process of packaging first and then annealing is adopted, and SnO crystal grains are promoted to become larger and grow preferentially.

The invention discloses a tin-based negative electrode material as well as a preparation method and application thereof. The tin-based negative electrode material comprises a carbon matrix, elemental tin and a tin-containing compound, the tin-containing compound is stannic oxide and / or stannous oxide; based on the total weight of the tin-based negative electrode material, the content of the carbon matrix in terms of carbon element is 5wt%-30wt%. The preparation method of the tin-based negative electrode material comprises the following steps: (1) fully and uniformly mixing a tin source and a carbon source, then carrying out first calcination in an inert atmosphere, and washing and drying the obtained product to obtain a tin-carbon composite material; and (2) carrying out second calcination on the tin-carbon composite material obtained in the step (1) to obtain the tin-based negative electrode material. The preparation method of the tin-based negative electrode material is simple in technological process, free of chemical solvent, low in production cost, safe, environmentally friendly and beneficial to large-scale production, and has excellent electrochemical performance when being used as the negative electrode material of the lithium ion battery.

The present application provides a composition for preparing low-dielectric-constant glass, low-dielectric-constant glass, and its preparation method and application, relating to the field of low-dielectric-constant glass technology. The composition includes SiO2, Al2O3, B2O3, MgO, CaO, BaO, Li2O, Na2O, Ag2O, Ce2O3, and a clarifier, wherein the clarifier includes at least one of sulfate, fluoride, nitrate, halide, tin oxide, and stannous oxide. The present application reduces the dielectric constant of the glass by precisely controlling the ratio of the above composition, thereby reducing signal attenuation and improving transmission quality and distance. Simultaneously, the hardness and Young's modulus of the glass are increased, thereby improving the strength and wear resistance of the glass.

The invention provides lead-free alkali-free tungsten-containing low-temperature sealing glass and a preparation method thereof. The sealing glass is prepared from the following components in parts by mass: 20 to 50 parts of phosphorus pentoxide, 10 to 20 parts of diboron trioxide, 20 to 50 parts of stannous chloride, 0 to 10 parts of zinc oxide, 5 to 20 parts of titanium dioxide and 10 to 30 parts of tungsten trioxide. The preparation method comprises the following steps: by taking phosphorus pentoxide, ammonium dihydrogen phosphate, boric acid, stannous oxide, stannous chloride, zinc oxide, titanium dioxide and tungsten trioxide as raw materials, calculating the mass percent of the raw materials according to the mole percent of each component of the sealing glass, weighing the raw materials, uniformly mixing, putting into a corundum crucible, and melting at 500-600 DEG C; the molten glass liquid is subjected to casting molding or water quenching and then ground into powder, and the powder is sieved by a 200-mesh sieve; the sealing glass material does not contain alkali metal, lead, cadmium, thallium and other toxic and harmful substances, is low in sealing temperature, does not crystallize, has excellent chemical stability, and is especially suitable for sealing of electronic components, and the lowest sealing temperature can reach 330 DEG C.

The application belongs to the technical field of glass scintillator material preparation, and provides a glass scintillator material with X-ray response performance and a preparation method and application thereof. Boron oxide, aluminum oxide, calcium oxide, sodium carbonate, a manganese source, sodium bromide and stannous oxide are mixed and reacted to obtain a molten glass solution; the molten glass solution is cooled on a preheated mold to obtain a glass precursor; the glass precursor is sequentially annealed, polished and heat-treated to obtain the glass scintillator material with X-ray response performance. The method has an induced self-crystallization process, can avoid time-consuming and laborious regulation of the complex nucleation thermodynamics and kinetics process of the traditional microcrystalline glass scintillator material, and can also avoid the addition of a Cs source, thereby reducing the production cost, preparing the glass scintillator material with large area, high stability and excellent performance, enabling the glass scintillator material to serve in extreme environments for a long time, and expanding the application range of the glass scintillator material.