211results about "Zinc compounds" patented technology

The invention belongs to the technical field of halide solid-state electrolyte, and relates to a high-conductivity and high-lithium-stability modified halide solid-state electrolyte material constructed by solid source plasma, and a preparation method and application of the high-conductivity and high-lithium-stability modified halide solid-state electrolyte material. According to the preparation method, a halide solid electrolyte is taken as a matrix, halogenated ammonium salt is taken as a solid source, and the halide solid electrolyte is subjected to synergistic doping modification of elements such as nitrogen, fluorine / chlorine / bromine and the like by utilizing a plasma technology, so that the modified halide solid electrolyte material is obtained. The modified halide solid electrolyte material shows excellent conductivity and lithium-lithium symmetrical battery performance, and has a wide market application prospect. Meanwhile, the preparation method provided by the invention is simple, rapid, efficient and convenient, is easy to control, and contributes to promoting the development and application of the high-performance halide solid electrolyte material.

Provided is a semiconductor nanoparticle complex in which a ligand is coordinated to a surface of a semiconductor nanoparticle. The semiconductor nanoparticle includes In and P, the ligand includes a mercapto fatty acid ester represented by the following general formula, and the mercapto fatty acid ester has an SP value of 9.30 or less. General formula: HS-R1-COOR2 (where R1 is a C1-11 hydrocarbon group and R2 is a C1-30 hydrocarbon group). The present invention can provide a semiconductor nanoparticle complex that keeps high fluorescence quantum yield before and after purification.

Provided is a semiconductor nanoparticle complex in which a ligand is coordinated to a surface of a semiconductor nanoparticle. The semiconductor nanoparticle includes In and P, the ligand includes a mercapto fatty acid ester represented by the following general formula, and the mercapto fatty acid ester has an SP value of 9.30 or less. General formula: HS—R1—COOR2 (where R1 is a C1-11 hydrocarbon group and R2 is a C1-30 hydrocarbon group). The present invention can provide a semiconductor nanoparticle complex that keeps high fluorescence quantum yield before and after purification.

The invention discloses a wide-spectrum electromagnetic wave modulation method based on silver-based chalcogenide, and belongs to the technical field of electromagnetic wave modulation. According to the invention, the abrupt-change modulation of 1GHz-300THz wide-spectrum electromagnetic waves is realized based on the electronic phase change characteristic of the metal insulator under the triggering of the silver-based chalcogenide under the characteristic external field, and the resonant structure design is combined, so that the functions and applications of electromagnetic wave switching, electromagnetic wave intelligent shielding, dynamic information communication encryption, multi-spectrum camouflage and passive electromagnetic wave protection are realized. The main conception is that a silver-based chalcogenide material with an electronic phase change characteristic is introduced as a sensitive medium, and mutation of electromagnetic wave optical characteristics covering microwave, terahertz and infrared frequency bands caused by electronic phase change of the silver-based chalcogenide is triggered by utilizing characteristic temperature, characteristic pressure and characteristic current. According to the invention, the technical barrier of wide spectrum response and multi-mode dynamic modulation is broken through, and the modulation effect can be cooperatively regulated and controlled by the components of the silver-based chalcogenide material and the structure of the resonant array.

Provided is an all-solid-state lithium batteries (ASSLBs), Li-based cathode materials and structures incorporated therein and to methods of producing said materials, structures and batteries.

A quantum dot, a quantum dot-polymer composite, and an electronic device including the same. The quantum dot includes a core including a first semiconductor nanocrystal; a first shell including a second semiconductor nanocrystal including a Group III-VI compound on the core; and a second shell including a third semiconductor nanocrystal having a composition different from that of the second semiconductor nanocrystal on the first shell; wherein one of the first semiconductor nanocrystal and the third semiconductor nanocrystal includes a Group III-V compound.

The application discloses a sea urchin-shaped antibacterial piezoelectric copper-zinc oxide and a preparation method and application thereof, and belongs to the field of biological medical materials. The preparation of the copper-zinc oxide comprises the following steps: (1) weighing Cu 2+ and Zn 2+ containing compound raw materials, dissolving the raw materials in deionized water, and preparing a mixed solution after dispersion; (2) adding the mixed solution obtained in the step (1) into deionized water containing DMSO, stirring and uniformly mixing, and preparing a solution containing Cu 2+ and Zn 2+ ; (3) adding an alkali source into the solution obtained in the step (2), heating and reacting, centrifugally collecting a precipitate, and obtaining the copper-zinc oxide after washing. The copper-zinc particles are subjected to thermal hydrolysis under the action of the organic solvent DMSO under an alkaline condition, and the copper-zinc oxide with a sea urchin-shaped structure is generated; and the oxide exhibits excellent piezoelectric antibacterial performance under stirring at room temperature.

Provided are a metal element-doped metal oxide dispersion liquid and a method for producing the same, the metal element-doped metal oxide dispersion liquid being excellent in dispersibility of the metal element-doped metal oxide particles, and it being possible to satisfy characteristics (flatness, defect amount, PL intensity of quantum dots when laminated as an ETL on a quantum dot layer, charge transport properties, etc.)　The metal element-doped metal oxide dispersion liquid includes metal element-doped metal oxide particles and a solvent as a dispersion medium, and has a metal cation content calculated from Li, Na, K, and Ca included in the solvent of 1 to 2700 ppm, the metal oxide particles being particles having zinc oxide as a main component, the metal element doped into the particles having zinc oxide as a main component including one or more elements selected from Al, Mg, Li, Ca, Ga, and In, and the doped metal element being included in a ratio of 2-20 mol% with respect to elemental zinc.

The invention belongs to the technical field of new materials and electronic information, and particularly relates to a transition metal doped ZnIn2S4 gas sensor as well as a preparation method and application thereof. The gas sensor comprises a substrate and a transition metal doped ZnIn2S4 nano array growing on the surface of the substrate in situ, the nano array is composed of a plurality of two-dimensional nano sheet layers, the two-dimensional nano sheet layers are arranged in a staggered stacking mode and extend at an included angle of + / -5 degrees relative to the normal direction of the surface of the substrate, and the transition metal doped ZnIn2S4 nano array is arranged on the surface of the substrate. And a network assembly with a three-dimensional flower-shaped topological structure is formed through physical or chemical connection. The preparation method is simple, the energy band structure of the material is effectively regulated and controlled, the forbidden band width is reduced, on the other hand, the specific surface area of the material is remarkably increased, and the pore size distribution is optimized. And the prepared gas sensor shows excellent gas selectivity to triethylamine, is high in response value and high in recovery speed, and is expected to be applied to the fields of environmental monitoring and food safety.

The present application discloses a lithium-supplementing additive, a preparation method therefor, and an application thereof. The lithium-supplementing additive includes a core body and a functional encapsulation layer covering the core body. The core body includes a lithium-supplementing material, and the lithium-supplementing material is a lithium-containing material having a unidirectional capacity, in which lithium ions are deintercalated during a first charge and free from intercalation during a discharge. Based on the lithium-supplementing material having a unidirectional capacity included in the lithium-supplementing additive of the present application, and lithium ions can be effectively deintercalated during the first charge and prevented from being intercalated into the lithium-supplementing material again during the discharge, therefore, the lithium-supplementing effect of the lithium-supplementing additive provided by the present application is ensured, and the initial efficiency and the overall electrochemical performance of a battery containing the lithium-supplementing additive is improved.

Thermally conductive particles contain at least a fired product obtained by firing an aluminum raw material, a zinc raw material, and an additional raw material other than the aluminum raw material and the zinc raw material. A content of the zinc raw material is in a range from 25 parts by mass to 70 parts by mass with respect to 100 parts by mass of the aluminum raw material. The additional raw material contains at least one selected from the group consisting of a boron compound, a tungsten compound, a titanium compound, a bismuth compound, and a fluorine compound, and a content of the additional raw material is in a range from 0.05 parts by mass to 20 parts by mass with respect to 100 parts by mass of the aluminum raw material. The thermally conductive particles satisfy predetermined conditions.

In an aspect, a mixed metal oxide comprises or consists essentially of: a mixture comprises or consisting essentially of 0.30 to 0.69 parts by mole Mg, 0.20 to 0.69 parts by mole Zn, 0.01 to 0.30 parts by mole of a third element selected from Al and Ga, and, either, when the third element is Al, 0.00 to 0.31 parts by mole of other elements selected from metals and metalloids, or, when the third element is Ga, 0.00 to 0.15 parts by mole of other elements selected from metals and metalloids, wherein the sum of all parts by mole of Mg, Zn, the third element, and the other elements amounts to 1.00, wherein the amount in parts by mole of the other elements is lower than the amount in parts by mole of Mg and is lower than the amount in parts by mole of Zn; oxygen; and less than 0.01 parts by mole of non-metallic and non-metalloid impurities.

A metal oxide composition, a light-emitting device produced by using the metal oxide composition, an electronic apparatus including the light-emitting device, and an electronic device including the light-emitting device are disclosed. The metal oxide composition includes a metal oxide nanoparticle, a metal halide, and a solvent, wherein an amount of an organic material on the surface of the metal oxide nanoparticle is in a range of about 12 wt% to about 21 wt% based on the weight (e.g., based on 100 wt%) of the metal oxide nanoparticle, and an amount of the metal halide is greater than 0 wt% but not more than about 7.0 wt% based on the weight (e.g., based on 100 wt%) of the metal oxide nanoparticle.

The present invention provides a novel method for producing an ion-exchanged hydrotalcite, the method including no complicated steps, needing no massive equipment, and enabling a hydrotalcite to be ion-exchanged while inhibiting the formation of a by-product, etc.　This method for producing an ion-exchanged hydrotalcite (3) is characterized by comprising a first step, in which a powdery or pasty hydrotalcite (1) is mixed and reacted with an aqueous solution of an acid (2) so that the resultant mixture has a water content in the range of 10-60 mass%, and a second step, in which a reaction product obtained in the first step is dried and pulverized without via a cleaning step.

The invention relates to a ZnAl-LDH-based material as well as a preparation method and application thereof in sludge treatment. The ZnAl-LDH-based material is prepared from a divalent metal salt solution and a trivalent metal salt solution through a coprecipitation method, divalent metal comprises Zn and Cu, and trivalent metal is Al; the molar weight ratio of the divalent metal to the trivalent metal is (1-3): 1, and the ratio of the molar weight of Cu to the total molar weight of the divalent metal is (0-0.5): 1. The ZnAl-LDH-based material is used for promoting the organic sulfide in the sludge to be converted into sulfoxide sulfur and sulfone sulfur. Compared with the prior art, a series of ZnAl-LDH-based materials with proper specific surface areas and pore volume structures are prepared, and low-valence organic sulfides in municipal sludge can be promoted to be directionally converted into sulfoxide sulfur and sulfone sulfur; the method has a wide application prospect in the field of improving the high-added-value utilization of organic sulfide-containing wastes such as municipal sludge.

To coat a ZnO surface with a safe and stable oxide.SOLUTION: A coated particle of the present invention includes ZnO of which at least a part is covered with ZnMOx (M is a metal element capable of constituting a composite metal oxide together with Zn). The coated particle is obtained by hydrothermal treatment of ZnO in the presence of a hydroxide of a metal capable of constituting a composite metal oxide together with Zn. The coated particle is suitable for an ultraviolet shielding agent, a cosmetic containing the same, and a paint having an ultraviolet shielding function, a gas permeation suppression function, or the like.SELECTED DRAWING: Figure 5

The invention provides a halide electrolyte material and a preparation method thereof, a positive plate, a secondary battery, a battery assembly and electric equipment. The halide electrolyte material is doped with a fluorine element and a zinc element. The halide electrolyte material provided by the invention has good ionic conductivity and air stability.

A material is provided comprising a Zn-(methyl triazolate)-(oxalate) metal-organic framework (MOF) having a chemical formula of Zn(3-methyl-1H-1,2,4-triazolate)(oxalate)0.5 (Zn(mtz)(ox)0.5) and comprising oxalate groups forming oxalate layers and (mtz)Zn2(mtz) groups forming (mtz)Zn2(mtz) layers. In some embodiments, oxalate groups of adjacent oxalate layers are parallel, wherein each methyl group of each (mtz)Zn2(mtz) group is oriented in opposing directions, and wherein adjacent methyl groups of adjacent (mtz)Zn2(mtz) groups and on a same side of planes defined by the oxalate groups are oriented in opposing directions. In other embodiments, oxalate groups of adjacent oxalate layers are non-parallel, and wherein each methyl group of each (mtz)Zn2(mtz) group is oriented in the same direction. Methods of using the materials to capture CO2 are also provided. Methods for synthesizing Zn-(methyl triazolate)-(oxalate) MOFs are also provided.

The solid electrolyte material of the present disclosure consists of Li, M1, M2, and X, wherein M1 is at least two selected from the group consisting of Ca, Mg, and Zn; M2 is at least one selected from the group consisting of Y, Gd, and Sm; and X is at least one selected from the group consisting of F, Cl, Br, and I.

The invention discloses a zinc thiophosphate material with a yolk double-shell structure as well as a preparation method and application thereof, and relates to the technical field of sodium ion batteries. The preparation method comprises the following steps: firstly, preparing a ZIF-8 precursor template through a zinc source and solvothermal reaction of 2-methylimidazole, and then sequentially carrying out coating, template etching, synchronous carbonization and vulcanization treatment and phosphorus vulcanization treatment on the ZIF-8 precursor template to finally obtain the ZnPS3 / NC-C material with the yolk double-shell structure and excellent electrochemical performance. Compared with a traditional transition metal thiophosphate preparation process, the method is safer in process, and the yolk double-shell morphology of the metal phosphorus sulfide can be accurately regulated and controlled. Compared with pure zinc thiophosphate prepared by a traditional process, the prepared ZnPS3 / NC-C material with the yolk double-shell structure has the characteristics of hollow and porous characteristics, high specific surface area and structural stability, and shows relatively high first charge-discharge efficiency and excellent cycle stability when being used as a sodium-ion battery negative electrode material.

The present invention relates to the technical field of batteries, and provides a negative electrode active material and a preparation method for improving the cycle life of a battery, a negative electrode material and a negative electrode of a zinc-nickel battery, wherein the raw materials of the sulfur-doped carbon-coated calcium zincate crystals include zinc oxide, hydrophilic calcium hydroxide, a carbon source, a sulfur-containing compound and deionized water. The present invention modifies the zinc electrode material, and the negative electrode active material used is a sulfur-doped carbon-coated calcium zincate crystal, which has a much lower solubility in an alkaline electrolyte than zinc oxide, thereby reducing the concentration of zincate in the electrolyte, and effectively inhibiting the dendrite growth of the zinc negative electrode during the battery charging process, thereby effectively improving the performance of the zinc-nickel battery and extending the cycle life of the zinc-nickel battery.

The invention provides hydrotalcite for improving thermal stability and initial whiteness of PVC (polyvinyl chloride) and a preparation method of the hydrotalcite. The chemical composition of the hydrotalcite comprises M < 2 + > xM < 3 + > y (OH) 2x + 3y-x / 2 (CO3) x / 4. MH2O, wherein M < 2 + > is a divalent metal ion or a mixture of divalent metal ions and is selected from one or two of Mg < 2 + >, Ca < 2 + >, Ni < 2 + >, Zn < 2 + >, Mn < 2 + >, Cu < 2 + >, Co < 2 + >, Pd < 2 + > and Fe < 2 + >; m < 3 + > is a trivalent metal ion and is selected from one of Al < 3 + >, Ga < 3 + > and In < 3 + >; x and y are positive numbers, and the molar ratio of x to y satisfies x / y = 2.0-3.0; m is the content of crystal water, and m is 3.5-4.0. By regulating and controlling the specific surface area to be less than 20 m < 2 > / g, D50 to be less than 0.150 mu m and the grain size to be greater than or equal to 800 and combining a surface modification process, the compatibility and dispersity of the hydrotalcite and PVC are improved. The preparation method comprises the steps of raw material mixing and sanding, hydro-thermal synthesis, solid-liquid separation and washing, surface modification, drying and post-treatment, the hydrotalcite capable of improving PVC thermal stability and initial whiteness is obtained, the hydrotalcite can be uniformly dispersed in a PVC matrix, thermal decomposition is inhibited by absorbing HCl, the static aging time is prolonged, and meanwhile light scattering is reduced.

The invention provides a quenching crystallization reaction system for preparing layered composite metal hydroxides and a corresponding preparation method, a high-pressure cooling distributor is additionally arranged between a reaction kettle and a collecting tank, and the high-pressure cooling distributor comprises a cavity and a quenching device which are communicated with each other; and a low-temperature cooling medium enters the cavity from the quenching device, is in direct contact with the high-temperature reaction slurry and rapidly cools the high-temperature reaction slurry, so that the layered composite metal hydroxide with the surface defect active site can be obtained. According to the invention, a cooling liquid system consistent with hydrotalcite reaction slurry is adopted, construction of defect active sites is realized for hydrotalcite through a quenching type cooling mode under the condition of not introducing impurities, the product performance can be effectively improved, the equipment requirement is low, the process is simple, the cost is effectively reduced, and the method is suitable for industrial production. And meanwhile, the impurity ion introduction problem caused by acid-base solvent etching and the like is also avoided, the process cleanliness is guaranteed, and the method is very suitable for industrial implementation.

A cadmium free quantum dot or a population thereof or a device including the same, wherein the cadmium free quantum dot includes a core (or a semiconductor nanocrystal particle) including a first semiconductor including a Group IIB-VI compound and a shell (or a coating) disposed on the core (or the semiconductor nanocrystal particle) including a Group IIB-V compound and exhibits a quantum efficiency of about 60% or higher.

To provide a quantum dot in which much Zn can be contained in a surface thereof.SOLUTION: A quantum dot of the present invention includes at least: a core that contains Ag, Ga, and S, or contains Ag, Ga, and Se; and a shell that covers a surface of the core. The shell includes at least Zn, and contains GaS or GaSe between the core and the shell composed of ZnS. An amount of Zn present in the surface is 5% or more in terms of weight ratio with respect to the entirety.SELECTED DRAWING: Figure 1

The invention belongs to the field of photo-thermal materials, and particularly relates to an M (2-x-y-z) Zn (2-x-y-z) NxYbyTmzO3 nano photo-thermal material as well as preparation and application thereof, in the M (2-x-y-z) Zn (2-x-y-z) NxYbyTmzO3 nano photo-thermal material, M is a first main group metal element, N is a rare earth metal element, x is 0.5-1.78, y is 0.05-0.25, z is 0.001-0.03, and the M is a first main group metal element. The sum of x + y + z is less than 2. The invention provides the nano photo-thermal material with a brand new chemical formula, and the new material accidentally has an excellent near-infrared light emitting effect and also has an excellent heating effect.

To provide a coating liquid for film formation that can form a metal oxide film with excellent flatness even on uneven surfaces and reliable heat resistance by chemical vapor deposition. [Solution] A coating solution for forming metal oxide films by chemical vapor deposition, wherein the coating solution is a one-component coating solution containing a β-diketone complex, an inorganic metal salt, and a solvent, or a multi-component coating solution comprising coating solution A containing a β-diketone complex and a solvent, and coating solution B containing an inorganic metal salt and a solvent, wherein the β-diketone complex and the inorganic metal salt are composed of metal atoms of period 3 to 6 and group 2 to 14.

Provided is an all-solid-state lithium batteries (ASSLBs), Li-based cathode materials and structures incorporated therein and to methods of producing said materials, structures and batteries.

The invention relates to a preparation method of zinc-aluminum spinel and zinc-aluminum spinel with a hollow structure. According to the preparation method, metal zinc powder and aluminum powder serve as raw materials, absolute ethyl alcohol is added, ultrasonic mixing is conducted, then suspension liquid is subjected to solid-liquid separation, roasting is conducted in the air atmosphere, and finally the zinc-aluminum spinel of the hollow structure is obtained. The preparation method is simple, efficient and easy to operate, and the obtained product is uniform in particle size, has a complete hollow structure and can adapt to various application scenes.

The invention discloses a preparation method of modified hydrotalcite lubricating oil with high dispersion performance, and relates to the technical field of lubricating oil, the method comprises the following steps: dropwise adding an alkali solution into a salt solution to obtain a suspension; aging and separating the suspension to obtain a reaction product; the reaction product is washed, dried, ground and sieved, and the ZnMgAl LDH nanosheet is obtained; the preparation method comprises the following steps: modifying a ZnMgAl LDH nanosheet to obtain modified hydrotalcite; and adding the modified hydrotalcite into the base oil to prepare the modified hydrotalcite lubricating oil. The calcium-magnesium-aluminum hydrotalcite is subjected to surface modification through the dispersing agent, on one hand, the compatibility of the hydrotalcite and the lubricating oil base oil is enhanced through the long-chain alkane structure of oleic acid, and the dispersion problem caused by hydrophilicity of the hydrotalcite is solved; on the other hand, by means of a hexagonal layered crystal structure of hydrotalcite, a low-shear-force lubricating film is formed on a friction interface, so that the lubricating performance of the lubricating oil is synergistically improved; in addition, the modified hydrotalcite has good thermal stability at the temperature of about 230 DEG C or below, and is suitable for high-temperature use scenes of the lubricating oil.