56results about "Antimony compounds" patented technology

The invention discloses a preparation method and application of a metal sulfide adsorbent for adsorbing iodine and methyl iodide. The preparation method comprises the following steps: uniformly mixing an antimony source, a sulfur source, a deep eutectic solvent, polyamine and water to obtain a mixed solution; and transferring the mixed solution into a high-pressure reaction kettle, sealing, carrying out hydrothermal reaction at 110-220 DEG C for 2-9 days, cooling to room temperature to separate out crystals, and filtering, washing and drying to obtain the metal sulfide adsorbent. The invention also discloses application of the metal sulfide adsorbent in adsorption of iodine and methyl iodide. The metal sulfide adsorbent disclosed by the invention has a good adsorption effect on iodine and methyl iodide, and compared with an ethylenediamine-oriented metal sulfide adsorbent, the diethylenetriamine-oriented metal sulfide adsorbent has higher adsorption capacity on iodine and methyl iodide.

The invention relates to a preparation method of antimony pentafluoride, which comprises the following steps: preheating raw material gas nitrogen trifluoride, placing nitrogen trifluoride and antimony powder in a tubular furnace reactor made of a specific material, carrying out gradient heating reaction at 300-400 DEG C under the condition that the antimony powder is distributed by adopting a multi-layer nickel plate tiled structure, carrying out reaction for 10-40 seconds, and carrying out solid filtration through a filter after the reaction is completed, so as to obtain the antimony pentafluoride. And carrying out cold trap collection to obtain an antimony pentafluoride product. The diameter of the reactor is made of a nickel material or Monel to prevent corrosion of antimony pentafluoride, the number of tiled layers of nickel plates is r / 5-r / 10, the contact area is increased, the reaction yield is increased, and the utilization rate of the raw material nitrogen trifluoride is increased.

The application relates to the field of inorganic materials, in particular to a kind of antimony trioxide and its preparation method and application, comprising: preparing PS-b-PVP copolymer template; PS-b-PVP copolymer template is immersed in treatment in antimony salt and ammonia water in turn; pyrolysis under inert gas protection, the antimony trioxide prepared in the application has unique nanotubular structure, effectively shortens the transmission path of lithium ion and electron, significantly inhibits the pulverization and structure collapse of electrode material in the charging and discharging process, thereby endowing it with high specific capacity and excellent cycle stability.

The preparation method of the antimony trioxide with the porous structure comprises the following steps: adding an antimony trioxide matrix into a montmorillonite loading agent which is 5-8 times of the total amount of the antimony trioxide matrix, stirring, carrying out suction filtration, and drying to obtain the antimony trioxide with the porous structure. An antimony trioxide matrix is constructed by adopting a double emulsion template method, meanwhile, montmorillonite is pretreated, interlayer water is damaged by preheating at 210-230 DEG C, then the temperature is increased to 350 DEG C, heat preservation is performed for 1 h, an interlayer structure is stripped through thermal expansion, the specific surface area is increased, more active sites are exposed, and the specific surface area is increased. And dopamine / carbon nanotube composite modification: dopamine hydrochloride is subjected to self-polymerization under a weakly alkaline condition to form a polydopamine (PDA) coating layer.

The application provides a preparation method of a sulfur-selenium antimony solar cell with a uniform absorption layer component gradient. The optimization scheme for improving the longitudinal component distribution uniformity of the Sb2(S,Se)3 thin film and the band matching of the Sb2(S,Se)3 device by using a low-cost triethanolamine complexing agent solves the problems of the non-ideal longitudinal component gradient of the absorption layer caused by the too fast reaction precipitation in the hydrothermal reaction system. 2+ Sb 3+ reaction precipitation.

A synthesis method of active antimony sulfide for gaseous radioactive iodine adsorption comprises the following steps: S1, mixing inorganic compound powder A, macrocyclic polyamine B and sulfur powder, putting the mixture into a container, and adding deionized water to obtain a mixture; s2, carrying out ultrasonic treatment on the mixture treated in the step S1, putting the mixture into a drying oven, and reacting for a certain time; and S3, after the reaction is finished, cooling to room temperature, filtering a product, and respectively washing with deionized water, a reagent G and a reagent F to obtain the three-dimensional framework active inorganic antimony sulfide. Through solvothermal reaction, the organic amine structure guiding effect is combined with ultrasonic vibration, the accumulation mode of the anion layer is directly influenced, then layered or open-frame crystals are formed, finally, a three-dimensional metal frame structure is formed, and the iodine adsorption saturation capacity is high.

The invention relates to the field of inorganic materials, in particular to a preparation method and application of antimony trioxide, an emulsifier, a water phase and mineral oil are mixed to obtain W / O emulsion, after the W / O emulsion is irradiated by ultraviolet light, an alcohol phase containing an organic antimony precursor is added, after stirring reaction, standing, centrifugation, sediment collection, washing and calcination are performed, and the antimony trioxide is obtained. The antimony trioxide prepared by the method provided by the invention has a special hollow porous microstructure structure, and is a very potential pseudocapacitor electrode material.

The invention discloses a method for comprehensively recycling high and low boiling residues and waste acid in the production process of high-purity antimony, and relates to the field of non-ferrous metal metallurgy. The method comprises the following steps: mixing high and low boiling residues produced in the preparation process of high-purity antimony with waste acid produced by cleaning equipment, spraying the mixed solution into a roasting tower through compressed air for roasting, and enabling roasted flue gas to sequentially pass through a settling chamber, a bag collector and a two-stage water spraying absorption tower to respectively produce antimony white and hydrochloric acid, the produced antimony white can be directly sold or used as an antimony smelting raw material, and the byproduct hydrochloric acid can be used as an acid for wet smelting or can be further concentrated into 35-38% concentrated hydrochloric acid. The method can realize gradient recycling of antimony and chlorine elements in the high and low boiling residues and the waste acid, has the characteristics of high resource utilization level and no generation of a large amount of wastewater, and has good economic value and environmental protection benefit.

What is provided are a proton-conducting solid electrolyte which can exhibit high proton conductivity and stability in a low-temperature range and a medium-temperature range, an electrolyte layer formed of the proton-conducting solid electrolyte, and a battery. As an example, a proton-conducting solid electrolyte represented by a general formula: Ba1-αSc1-xMoxO3-δHy, in which α is −0.2 to 0.2, x is 0.1 to 0.3, y is 0 to 1-3x, and δ is 0 to ½-3x / 2, a proton-conducting solid electrolyte represented by a general formula: BaSc1-xMoxO3-δHy, in which x is 0.15 to 0.25, y is 0 to 1-3x, and δ is 0 to ½-3x / 2, or the like; an electrolyte layer, and a battery are provided.

The invention provides a solid-state electrolyte, a solid-state battery and a preparation method of the solid-state electrolyte, and belongs to the technical field of secondary batteries, the solid-state electrolyte comprises Li < 4 + / -x-y > Ay (M1aM2bM3c) S < 4-delta > X delta, 0 < = x < = 1.5, 0 < = y < = 1.5, and y < = 4 + / -x; 0.4 < = a < = 0.8, 0.1 < = b < = 0.4, 0.1 < = c < = 0.3, a + b + c = 1, and 0 < = delta < = 1; a comprises at least one of Na and K; m1 comprises at least one of Ge, Sn, Si, P, As and B; m2 comprises at least one of Sb, Nb, Ta, V, Mo, W, Ti, Zr, Hf and Re; m3 comprises at least one of Al, Ga, In, Bi, Pb, Mg, Ca, Zn, Cd, Y, Sc, La, Ba, Sr, Ce and Sm; and X comprises at least one of O, Se and Te. The solid electrolyte has good glassy state forming ability, thermal stability and mechanical structure stability, can maintain self structure and performance stability in processing and using processes, and ensures long-term stable exertion of battery cycle and rate performance.

The invention discloses a preparation method of an antimony trioxide composite flame retardant, which is specifically implemented according to the following steps: pretreating a catalytic cracking poising agent to obtain a poising agent solution, and adding antimony trichloride into hydrochloric acid; dropwise adding an antimony trichloride solution into the poising agent solution, and stirring for 3-5 hours to obtain a first mixed solution; standing to enable precipitates in the first mixed solution to settle to the bottom, clarifying supernatant liquid, then pouring out the supernatant liquid, and filtering bottom turbid liquid to obtain a first filter cake; adding water into the first filter cake, dispersing to obtain a first turbid solution, adding an alkaline solution into the first turbid solution, neutralizing to obtain a second turbid solution, filtering the second turbid solution to obtain a second filter cake, washing the second filter cake, and drying to obtain the antimony trioxide composite flame retardant. The preparation method of the antimony trioxide composite flame retardant is simple in process, low in raw material cost, high in additional value and environmentally friendly.

To provide a method for producing quantum dots having a small variation in particle size.SOLUTION: A method for producing quantum dots, the method comprising: mixing a first precursor solution containing an indium halide with a second precursor solution containing an antimony halide and an ether compound to prepare a mixed solution; and adding a reducing agent to the mixed solution to react the indium halide with the antimony halide in the presence of the reducing agent.SELECTED DRAWING: None

This invention relates to the field of inorganic materials, specifically to a method for preparing low-lead antimony trioxide. The method involves crushing antimony ingots, first melting and oxidizing them, then distilling to remove impurities to obtain a refined product. The refined product, organic acid, and polyol are mixed, heated, and reacted, followed by filtration to remove insoluble matter, yielding an antimony complex solution. A long-chain organic amine is dissolved in a mixed solvent of anhydrous ethanol and deionized water to obtain a long-chain organic amine solution. The antimony complex solution is added to the long-chain organic amine solution, and the pH is adjusted to 6-7. The reaction solution is transferred to a hydrothermal reactor, sealed, and subjected to hydrothermal reaction. The precipitate is collected, washed, and dried. The resulting nanosheet-like clustered antimony trioxide exhibits high purity, low impurity content, extremely high specific surface area, abundant active sites, high energy density, and good cycle performance, making it a highly promising pseudocapacitor electrode material.

The application discloses a kind of Ni doped nano SnO2 semiconductor HCHO sensing materials and preparation method and application thereof, and the preparation method of sensing material includes the following steps: step one, Sn salt-Ni salt solution is configured;Step two, using supercritical hydrothermal synthesis (CSHS) reaction device, Sn salt-Ni salt solution is contacted with supercritical water and crystallization is generated nano doped oxide, and reaction liquid is discharged and collected after cooling, and the crystalline material is separated, i.e. the Ni doped nano SnO2 semiconductor HCHO sensing material of the application.The Ni doped nano SnO2 semiconductor HCHO sensing material prepared by the method of the application has good structural consistency and excellent sensing performance.

The invention relates to an intermediate band semiconductor material and a preparation method thereof.The chemical formula of the intermediate band semiconductor material is Sr4In2Sb2O5Q5, Q is S or Se, the intermediate band semiconductor material is prepared from reaction raw materials containing the Sr element, the In element, the Sb element, the Q element and the O element through a high-temperature solid-phase reaction method, and the intermediate band semiconductor material has the characteristics of multi-band absorption and large photo-generated current; and the material has relatively high photoelectric response characteristic and excellent photoelectric property.

The invention provides a novel oxysulfide and a light absorption property regulation and control method thereof, the chemical formula of the novel oxysulfide is SrGaSbO3S, the novel oxysulfide belongs to an orthorhombic system Pnma, has a two-dimensional layered structure, and is formed by alternately stacking [GaSbO3S] < 2-> and interlayer Sr < 2 + > ions. The material is placed in molten alkali metal halide for annealing treatment, and an amorphous layer is formed on the surface due to ion topology corrosion, so that the optical band gap of the material is obviously narrowed and is reduced to 1.69 eV from 2.11 eV, and the color is changed into orange from light yellow. The oxysulfide and the band gap regulation and control method thereof have important significance in application in the fields of photocatalysis, photoelectric conversion and the like.

The invention discloses a method and a device for directly preparing a thermoelectric material by using natural ore, and belongs to the technical field of thermoelectric materials. The method comprises the following steps: in a vacuum or inert atmosphere, heating a quartz tube filled with natural mixed ore to a preset temperature which is higher than the melting point of the thermoelectric component but lower than the melting point or decomposition temperature of the insulation associated ore; molten thermoelectric components flow through the necking structure under the action of gravity and are collected at the bottom of the quartz tube, and the insulating associated ore which is kept in a solid state is physically blocked by the necking structure and is retained at the upper part. And finally cooling to obtain a thermoelectric material cast ingot with pure components and compact tissues. According to the method, purification and densification forming of natural ore are completed through a one-step method by means of the difference of mineral melting points and ingenious physical structure design, the process is simple and convenient, cost is low, and the high-performance block thermoelectric material can be directly obtained.

This invention relates to the compounds barium lanthanum sulfide and barium lanthanum sulfide, as well as their preparation methods and applications in the mid-to-far-infrared birefringent optical crystals. It aims to address the problem of low birefringence in existing mid-to-far-infrared crystals. The chemical formula of the barium lanthanum sulfide of this invention is Ba₂La₂Sb₄S₂. 10 (S2), with a molecular weight of 1424.22, crystallizes in a monoclinic system with space group P21 / c and cell parameters a=8.6373(5), b=14.7336(9), c=15.9161(9), α=γ=90°, β=92.661(2)°. The compound or polycrystalline material is prepared using a high-temperature solution or solid-state method; a single crystal is grown from the polycrystalline material, exhibiting a birefringence of 0.53 at 1064 nm and a large birefringence in the range of 1~14 μm, and is used in optical isolators, circulators, beam shifters, optical polarizers, or optical modulators.

The invention discloses a method for preparing a two-dimensional low-symmetry multi-element material [Bi2CuO3] SO4, which comprises the following steps: selecting Bi2O3, Bi2S3 and Cu2S solid powder as precursors, and reacting in a mixed atmosphere of argon and air; putting Bi2S3 into a porcelain boat, putting the porcelain boat in a low-temperature area, putting the other two precursors into the porcelain boat, putting the porcelain boat in a high-temperature area, taking freshly stripped mica as a growth substrate, and putting the growth substrate on the powder in the high-temperature area; the material is prepared by adopting three stages, namely a heating stage, a growth stage and a cooling stage. According to the method, the precursor which is spontaneously carried out according to thermodynamics is selected as a reactant, the problem that the uniformity of components is difficult to control is solved, meanwhile, the preparation process is divided into three stages, the transportation process is accurately controlled by regulating and controlling the gas flow of different stages, and the product quality is improved. And the problems of imperfect precursor design and conveying mechanism and insufficient surface quality and phase purity control are solved.

A kind of high-lead antimony preparation antimony white production system, it includes: blowing furnace;Blowing furnace left side is equipped with pressure fan, pressure fan is connected with the blowing furnace by blowing pipe, blowing pipe is located in the hearth upper side of blowing furnace;Blowing furnace right side is equipped with air cooler for collecting antimony white containing smoke, one end of air cooler is connected with the top outlet of blowing furnace, other end is connected with dust collection device, dust collection device is equipped in the right side of air cooler;Dust collection device is connected with exhaust fan, exhaust fan is equipped in the rear of dust collection device, the outlet of exhaust fan is connected with water trap;Blowing furnace bottom discharge port below is equipped with ingot casting machine;Blowing furnace is electrically connected with temperature control device, temperature control device is arranged in the rear of blowing furnace.The production system provided by the utility model has good antimony white preparation effect, meets 99.5 antimony trioxide national standard, has low manufacturing cost and good economic benefit;The system is simple to operate, fast and efficient, and has short technological process, and can realize full-automatic control;No environmental pollution, low cost, less investment.

The application discloses a sulfide solid electrolyte stable to solvents and lithium and a preparation method and application thereof, and belongs to the technical field of solid electrolytes. 10‑x GeP 2‑ q Sb q S 12‑w R w , wherein 0<=x<1, 0 The preparation method comprises the following steps: according to the above general formula, a stoichiometric ratio of a lithium source, a germanium source, a phosphorus source and an antimony source is weighed and mechanically mixed to obtain a precursor powder; after further high-temperature calcination treatment, natural cooling to room temperature is carried out to obtain the sulfide solid electrolyte stable to solvents and lithium. The preparation method is simple, the sulfide solid electrolyte prepared has good lithium stability, the ion conductivity still remains above 80% after solvent treatment for 40 min, and can be used for preparing full solid-state lithium secondary batteries with excellent performance.

The invention discloses an antimony thiophosphate composite nitrogen-doped carbon nanowire material as well as a preparation method and application thereof, and belongs to the technical field of electrochemical energy storage materials. The preparation method of the antimony thiophosphate composite nitrogen-doped carbon nanowire material comprises the following steps: reacting antimony salt with 2-methylimidazole in water, separating out a product, and reacting the product with a gas-phase sulfur source and a phosphorus source under the protection of inert gas to obtain the antimony thiophosphate composite nitrogen-doped carbon nanowire material. The prepared antimony thiophosphate composite nitrogen-doped carbon nanowire material has the advantages of high electronic conductivity, stable microstructure and rapid ion transmission capability. And when being used as a sodium ion battery negative electrode material, the composite material can show high reversible specific capacity, excellent rate capability and long cycle life.

The invention discloses a preparation method of an antimony oxychloride composite flame retardant, which is characterized by specifically comprising the following steps: pretreating a catalytic cracking equilibrium agent to obtain an equilibrium agent solution, and adding antimony trichloride into hydrochloric acid to obtain an antimony trichloride solution; dropwise adding an antimony trichloride solution into the poising agent solution, and stirring for 3-5 hours to obtain a first mixed solution; adding an alkaline solution into the first mixed solution to neutralize until the pH is 7-8, standing and filtering to obtain a filter cake; and washing the filter cake, and drying to obtain the antimony oxychloride-based composite flame retardant. The preparation method of the antimony oxychloride composite flame retardant is simple in process, low in raw material cost, high in additional value and environment-friendly, and solves the problem of recovery of a catalytic cracking equilibrium agent.

The invention relates to metal nanoparticles which comprise a metal and a capping agent coordinated to the metal, wherein the capping agent is a salt of a cationic compound capable of absorbing visible light. It also relates to semiconductor metal oxide nanoparticles which comprise the metal nanoparticles, to a functionalised material comprising the semiconductor metal oxide nanoparticles, and to a photocatalytic paint which comprises either the semiconductor metal oxide nanoparticles or the functionalised material. The invention also relates to processes for the preparation of all these materials, and to the use of the semiconductor metal oxide nanoparticles or the functionalised material comprising them as biocides; particularly for the treatment or prevention of a viral disease or a bacterial infection; for removing Volatile Organic Compounds (VOCs) from of air and water supplies, and as a photocatalyst for water splitting.

A perovskite composite comprising antimony trifluoride, an electronic element comprising same, and a preparation method therefor are disclosed. The perovskite composite comprises tin (Sn)-based perovskite and antimony trifluoride (SbF3) so that lead (Pb) is not added thereto, and has a low hole concentration (≤ 1014 cm-1), and thus can be used for an optoelectronic device.

The application relates to the technical field of titanium white powder preparation, in particular to a preparation method of rod-shaped rutile conductive titanium white powder. The preparation method of the rod-shaped rutile conductive titanium white powder comprises the following steps: taking metatitanic acid on a sulfuric acid method titanium white process production line, beating the metatitanic acid, adding sulfuric acid and a reducing agent into slurry, adding crystal seeds, carrying out bleaching stirring, and obtaining bleaching slurry; pumping the bleaching slurry, carrying out secondary water washing on filter cake, and obtaining water washing filter cake; re-beating the water washing filter cake, adding potassium carbonate and aluminum sulfate and an alkali metal compound into the water washing filter cake, pumping the water washing filter cake after stirring, and obtaining salt treatment filter cake; carrying out segmented calcination on the salt treatment filter cake, and obtaining rod-shaped rutile titanium dioxide; carrying out coarse powder, sand grinding and beating on the rod-shaped rutile titanium dioxide, adding hydrochloric acid into the rod-shaped rutile titanium dioxide; adding a mixed salt solution, dropwise adding a NaOH solution, and aging, and obtaining aged slurry; and then carrying out drying and water washing, twice calcination and air powdering, and obtaining products.

By providing a sulfide solid electrolyte, a method for preparing the same, an all-solid-state lithium-ion battery, and electronic equipment, the stability of the conductivity of the sulfide solid electrolyte is improved, atmospheric stability is enhanced, the properties of the electrolyte / active material interface are improved, and the lifespan and safety of the lithium battery in the all-solid-state lithium-ion battery are improved. [Solution] The present invention provides a sulfide solid electrolyte and a method for preparing the same, an all-solid-state lithium-ion battery, and an electronic device. The chemical formula of the sulfide solid electrolyte is Li a P 1-b M b S c O d X e And here, 5

The present application relates to a kind of flexible one-dimensional nanometer sulfur iodine antimony composite material preparation method and its application, by, with nanometer elemental sulfur powder, nanometer elemental iodine powder, nanometer elemental antimony powder, MCM-41 molecular sieve, nanometer titanium dioxide powder, nanometer silicon dioxide powder as raw material, by ultrasonic chemical method preparation flexible one-dimensional nanometer sulfur iodine antimony gel composite material, simultaneously, the present application utilizes the flexible one-dimensional nanometer sulfur iodine antimony gel composite material prepared pyroelectric sensor.The pyroelectric detector prepared from the material of the present application has excellent performance, fast response time, and can be used in subsequent integrated sensors.The one-dimensional nanocrystals generated have good morphology distribution.

The invention relates to a ginkgo leaf-shaped antimony sulfide micron dendritic crystal photoelectric detection material and a preparation method and application thereof.The preparation method comprises the steps that an antimony source precursor and a morphology modifier are taken and added into water, the mixture is stirred to be uniform, then a sulfur source precursor is added, the mixture continues to be stirred to be uniform, the obtained mixed solution is transferred into a hydrothermal reaction kettle to be subjected to a hydrothermal reaction for 10-24 h at the temperature of 120-200 DEG C, and the ginkgo leaf-shaped antimony sulfide micron dendritic crystal photoelectric detection material is obtained; and cooling, centrifugally washing, and carrying out vacuum drying on the precipitate, thereby obtaining the product. According to the prepared ginkgo leaf-shaped antimony sulfide micron dendritic crystal, nanowires or nanorods serve as basic structural units, the bionic micron dendritic crystal with the complex grading order is constructed through the directional attachment and self-assembly process, rich surface states are introduced into the huge specific surface area of the bionic micron dendritic crystal, absorption of a material to visible-near infrared light can be promoted, and the bionic micron dendritic crystal has the good grading order. The characteristics of the bionic hierarchical structure and the intrinsic semiconductor are synergistic, the self-energized photoelectric detector has excellent self-energized photoelectric detection performance at 625 nm, 740 nm and 850 nm, and photoelectric detection from visible to near-infrared bands is realized without external pressure.

The utility model belongs to a device for synthesizing and purifying high-purity antimony pentafluoride. Comprising a raw material adding unit, the raw material adding unit is connected with a high-purity antimony pentafluoride purification unit through an antimony pentafluoride synthesis unit, and the high-purity antimony pentafluoride purification unit is connected with a high-purity antimony pentafluoride filling steel cylinder; the raw material adding unit comprises a nitrogen trifluoride steel cylinder for storing nitrogen trifluoride and a storage tank for storing metal antimony powder; the method has the advantages that equipment investment and personnel operation skill requirements can be reduced, life safety of field personnel is guaranteed, combustion-supporting gas is not generated in the reaction process of nitrogen trifluoride and metal antimony, the reaction is mild, and the method has the advantages of being high in safety and not prone to generating explosion risks.