64results about "Sulfide/polysulfide preparation" patented technology

The invention relates to the field of nano materials and photonic crystal materials, in particular to nano particles, preparation of the nano particles and application of the nano particles in self-assembly of three-dimensional non-close-packed photonic crystals. The nanoparticles can be self-assembled into a three-dimensional non-close-packed photonic crystal in a concentration range of 1 wt%-60 wt%. According to the invention, the problem that the self-assembly of the three-dimensional non-close-packed colloid photonic crystal is difficult to realize at low concentration at present is solved. By adjusting the mass fraction of the particles in a solution, the three-dimensional non-close-packed colloidal photonic crystal with rich colors can be formed through self-assembly, and the three-dimensional non-close-packed colloidal photonic crystal has wide application prospects in the fields of sensing, display and the like.

Provided is a production method for semiconductor nanoparticles that can exhibit band edge emission at a short peak emission wavelength. The production method for semiconductor nanoparticles involves obtaining a first mixture that includes a Ag salt, an In salt, a compound that includes Ga and S, and an organic solvent and performing a heat treatment on the first mixture at a temperature of 125°C–300°C to obtain first semiconductor nanoparticles.

Provided is a method for producing a sulfide solid electrolyte, the method comprising mixing a starting material-containing substance containing a lithium atom, a phosphorus atom, a sulfur atom and a halogen atom in an organic solvent to produce a mixture and subjecting the mixture to irradiation with microwaves. Thus, a method for producing a sulfide solid electrolyte is provided, in which a heating temperature is decreased by employing a liquid phase method to suppress the granulation by heating and therefore a sulfide solid electrolyte that keeps the particle diameters thereof can be efficiently produced.

The present application relates to the technical fields of wastewater purification and energy storage material, and discloses an energy storage carbon material, a preparation method and application thereof.The method comprises the following steps: carbonizing biomass waste enriched with metal ions to obtain an energy storage carbon material.The energy storage carbon material can be used to prepare a secondary metal / ion battery.The energy storage carbon material prepared by the present application can promote the uniform deposition of metal in the charging and discharging process, avoid the safety problems caused by dendrite growth, and at the same time, the metal ions in industrial wastewater can be used to prepare high-value-added secondary battery energy storage materials by means of a simple and low-cost method of biosorption.

This invention discloses a superhydrophobic unsaturated transition metal chalcogenide compound, its synthesis method, and its applications. The invention involves heating chalcogenide powder to above its melting temperature to form a molten chalcogenide. This molten chalcogenide is then mixed with a reducing agent to undergo a disproportionation reaction. A strongly acidic solution containing transition metal cations is then added for aging, yielding a transition metal chalcogenide compound with a uniform porous structure, numerous surface defect sites, and a superhydrophobic surface. This transition metal chalcogenide compound exhibits good water resistance and high selective adsorption performance for nonpolar atoms and molecules, making it suitable for the removal of heavy metals or oxides from high-humidity flue gas. Furthermore, its unique porous structure and numerous catalytically active sites demonstrate good adsorption, capture, and catalytic conversion activity for oxidizing gases, making it suitable as an electroreduction catalyst.

A compound containing a repeating unit represented by formula (1) as a non-cyclic structure. (In formula (1), X1 represents an oxygen atom. In addition, R represents a hydrogen atom or a substituent. > # imgabs0 #

Disclosed is a method for producing a sulfide solid electrolyte powder, the method comprising: a step of obtaining a starting material mixture by mixing staring materials; a step of synthesizing at least one of a sulfide powder or a sulfide precursor powder from the starting material mixture; a step of obtaining a sulfide solid electrolyte powder by heating the above-described powder in a heating area; a step of transferring the sulfide solid electrolyte powder to a cooling area; and a step of cooling the sulfide solid electrolyte powder in the cooling area, while flowing an inert gas therethrough. With this method for producing a sulfide solid electrolyte powder, the heating area and the cooling area are separated from each other.

The solid electrolyte has: first crystallites formed on primary particles and having a first crystal structure; a second crystallite formed in the same primary particle as the first crystallite and having a second crystal structure different from the first crystal structure; and an amorphous phase, the first crystallites and the second crystallites each contain lithium, the first crystal structure is a hexagonal crystal, the second crystal structure is an orthorhombic crystal, and both the crystallite size of the first crystallites and the crystallite size of the second crystallites are 50 nm or less.

The present invention relates to a method of preparing a sulfide electrolyte. According to one aspect of the present invention, a method of preparing a sulfide electrolyte of the present invention includes: a moisture control step of controlling the moisture content in a solvent; a step of preparing a precursor solution by stirring a precursor and the solvent with the controlled moisture content; and a powder synthesis step of synthesizing electrolyte powder using the precursor solution.

Provided is a method of producing semiconductor nanoparticles exhibiting band-edge emission with a short emission peak wavelength. The method of producing semiconductor nanoparticles comprises: obtaining a first mixture that contains a Ag salt, an In salt, a compound containing Ga and S, and an organic solvent; and performing a heat treatment of the first mixture at a temperature in a range of 125° C. or higher and 300° C. or lower to obtain first semiconductor nanoparticles.

The subject matter of the invention provides a viable solvent treatment method for manufacturing surface-modified alkali metal sulfides or alkali metal thiophosphates, especially surface-modified lithium thiophosphates, e.g. Li6PS5Cl (mLi6PS5Cl). Utilizing nonpolar organic solvents to reduce the concentration of additives with Lewis-basic activity, the surface of, for example Li6PS5Cl, is modified to improve the ionic conductivity of electrolytes of type Li6PS5Cl or other lithium thiophosphates.

This solid electrolyte has: a first crystallite which is formed into a primary particle and has a first crystal structure; a second crystallite which is formed into the same primary particle as the first crystallite and has a second crystal structure that is different from the first crystal structure; and an amorphous phase. The first crystallite and the second crystallite each contain lithium, the first crystal structure is a hexagonal crystal structure, the second crystal structure is an orthorhombic crystal structure, and the crystallite size of the first crystallite and the crystallite size of the second crystallite are both 50 nm or less.

The present invention provides a hydrogen sulfide-based solid electrolyte compound for an all-solid-state battery represented by formula 1, a method for preparing the compound, and an all-solid-state battery using the compound.

The present invention relates to a sulfide-based solid electrolyte comprising lithium (Li), phosphorus (P), sulfur (S) and a halogen element and having an argyrodite-like crystal structure, wherein at least a part of the crystal structure is doped with one or more first doping elements selected from Group 13 elements and one or more second doping elements selected from Group 14 elements.

To provide an exhaust gas treatment device capable of suppressing damage of a component constituting a combustion chamber and removing sulfur dioxide even when treating exhaust gas containing highly concentrated hydrogen sulfide at high temperature.SOLUTION: An exhaust gas treatment device is a device for treating exhaust gas containing hydrogen sulfide. The exhaust gas treatment device includes: a combustion furnace for burning and converting hydrogen sulfide included in exhaust gas into sulfur dioxide; and a scrubber that causes the sulfur dioxide converted in the combustion furnace to come into contact with an alkaline aqueous solution for conversion into subsulfate. The combustion furnace 11 includes: a first introduction pipe 21 for introducing exhaust gas; a second introduction pipe 22 for introducing combustible gas and combustion supporting gas; and a combustion chamber 23 connected to the first introduction pipe 21 and the second introduction pipe 22. In a component constituting the combustion chamber 23, silica glass is present on a surface on an indoor side of the combustion chamber 23.SELECTED DRAWING: Figure 2

The subject matter of the invention provides a viable solvent treatment method for manufacturing surface-modified alkali metal sulfides or alkali metal thiophosphates, especially surface-modified lithium thiophosphates, e.g. Li6PS5Cl (mLi6PS5Cl). Utilizing nonpolar organic solvents to reduce the concentration of additives with Lewis-basic activity, the surface of, for example Li6PS5Cl, is modified to improve the ionic conductivity of electrolytes of type Li6PS5Cl or other lithium thiophosphates.

This layered material nanosheet production method comprises a detachment step for detaching, in a layer form, layered material particles by irradiating the layered material particles with microwaves while cooling the layered material particles.

Provided is a compound comprising repeating units represented by formula (1) as a noncydic structure. (In formula (1), X1 is a chalcogen atom. R is a hydrogen atom or a substitution group.)

The invention provides a method for sintering battery powder needing atmosphere protection, which comprises the following steps of: firstly, in an atmosphere protection environment, filling the battery powder into a customized sintering crucible, and sealing; then the sealed sintering crucible is moved out of the atmosphere protection environment and placed in a high-temperature sintering furnace for high-temperature sintering; and finally, the sintered crucible is moved to the atmosphere protection environment again, after cooling, the sintered crucible is opened, and the sintered battery powder is refined and subpackaged. The sintering crucible capable of containing the battery powder is designed, the process of filling the battery powder into the sintering crucible is carried out under atmosphere protection, and the sintering crucible is moved out of the atmosphere protection environment after filling is finished; then the sintering crucible is placed in a high-temperature sintering furnace for high-temperature sintering, in the process, the sintering crucible is in a sealed state, external air can be prevented from entering the sintering crucible, and therefore the high-temperature sintering furnace does not need to be in an atmosphere protection environment, and the complexity of equipment and the production cost are reduced.

Provided are an exhaust gas treatment device, an exhaust gas treatment method, and a method for producing a sulfide compound, the exhaust gas treatment device being capable of suppressing damage to components constituting a combustion chamber even when an exhaust gas containing a high concentration of hydrogen sulfide is treated at a high temperature, and being capable of performing a treatment of removing sulfur dioxide. And the waste gas treatment device is used for treating waste gas containing hydrogen sulfide. This exhaust gas treatment device is provided with: a combustion furnace for combusting hydrogen sulfide contained in exhaust gas and converting the hydrogen sulfide into sulfur dioxide; and a scrubber for converting the sulfur dioxide converted in the combustion furnace into sulfite by bringing the sulfur dioxide into contact with an alkaline aqueous solution. A combustion furnace (11) is provided with a first introduction pipe (21) for introducing exhaust gas, a second introduction pipe (22) for introducing combustible gas and combustion-supporting gas, and a combustion chamber (23) connected to the first introduction pipe (21) and the second introduction pipe (22). A member constituting the combustion chamber (23) is provided with quartz glass on the surface of the inner side of the combustion chamber (23).

Methods for producing metal sulfides generally include combining an alkali metal sulfide and a metal halide in an aprotic solvent to produce a mixture that includes an alkali metal halide and a metal sulfide. Additional methods include combining a first alkali metal sulfide, a second alkali metal sulfide, and a metal halide in an aprotic solvent to produce a mixture that includes a first alkali metal halide, a second alkali metal halide, and a metal sulfide. The methods may include adding a second solvent to cause an alkali metal halide to precipitate out of the mixture and improve the purity of the metal sulfide.

The invention relates to a two-dimensional transition metal dichalcogenide nano-roll as well as a preparation method and application thereof. The method comprises the following steps: providing a metal substrate, and forming a two-dimensional transition metal disulfide strip on the surface of the metal substrate; forming an organic protective layer on the surface of the two-dimensional transition metal disulfide strip, removing the metal substrate, and transferring the two-dimensional transition metal disulfide strip with the organic protective layer to a target substrate; and soaking the two-dimensional transition metal dichalcogenide strip with the organic protective layer in a high-polarity organic solution, then taking out the two-dimensional transition metal dichalcogenide strip, and quickly drying the two-dimensional transition metal dichalcogenide strip by blowing, so that the two-dimensional transition metal dichalcogenide strip is curled to obtain the two-dimensional transition metal dichalcogenide nano roll. The invention also provides an application of the nano roll in a nonlinear optical device. The method is simple, convenient, high in universality, simple and convenient in technological operation, short in flow and easy to popularize.

The present invention relates to a method for producing a sulfide solid electrolyte powder, comprising mixing raw materials to obtain a raw material mixture, synthesizing a powder of a sulfide powder and / or a sulfide precursor powder from the raw material mixture, and heating the powder in a heating region to obtain a sulfide solid electrolyte powder, a cooling step for moving the sulfide solid electrolyte powder to a cooling region, and cooling the sulfide solid electrolyte powder while circulating an inert gas in the cooling region; the heating region is separated from the cooling region.

This invention discloses a two-dimensional MBene-metal sulfide composite material, its preparation method, and its applications, belonging to the field of electromagnetic absorbing materials technology. This invention utilizes metal sulfides to manipulate the exfoliation process of two-dimensional MBene. Through a high-temperature hydrothermal reaction, a heterostructure of two-dimensional MBene nanosheets loaded with uniformly dispersed metal sulfide particles is obtained. Benefiting from the enhanced dielectric loss of the heterostructure and the nano-effect of the metal sulfides, the two-dimensional MBene-metal sulfide composite material prepared by this invention exhibits excellent electromagnetic properties. The metal sulfide intercalation strategy proposed in this invention lays the foundation for the development of advanced two-dimensional electromagnetic absorbing materials and provides a general method for the development of other two-dimensional nanosheets with tunable structures.

Methods for producing metal sulfides generally include combining an alkali metal sulfide and a metal halide in an aprotic solvent to produce a mixture that includes an alkali metal halide and a metal sulfide. Additional methods include combining a first alkali metal sulfide, a second alkali metal sulfide, and a metal halide in an aprotic solvent to produce a mixture that includes a first alkali metal halide, a second alkali metal halide, and a metal sulfide. The methods may include adding a second solvent to cause an alkali metal halide to precipitate out of the mixture and improve the purity of the metal sulfide.

According to the two-dimensional material wet transfer device and the two-dimensional material wet transfer method, in the operation process, the porous filter plate is located at the third position and can stably bear the two-dimensional material after etching and cleaning, so that the two-dimensional material is kept in a tiled state; when the cleaning liquid is released for the last time, the substrate bearing plate is located at the second position and is in an inclined state, the two-dimensional material stably descends to the surface of the target substrate along with the liquid level through slow rotation and liquid discharging control, and liquid between the two-dimensional material and the target substrate can be effectively discharged through the inclined angle design; the integrity and flatness of the two-dimensional material are guaranteed to the maximum extent, the two-dimensional material is effectively prevented from being wrinkled or damaged, and the complete two-dimensional thin film material is obtained.

The invention relates to a solid material obtainable by melt quenching a mixture of lithium sulfide, boron sulfide, boron oxide and a lithium halide to form a glassy solid suitable for use as a lithium ion conductive electrolyte. These sulfide-based lithium ion conductive solid electrolytes exhibit high ionic conductivity.

The invention provides an inorganic nano core-shell structure material and preparation and application thereof in tumor treatment, and belongs to the technical field of inorganic biological functional materials.The preparation method comprises the following steps that a ruthenium precursor and a copper precursor are added into a solvent to be evenly mixed to obtain a reaction solution, and the reaction solution is heated to the temperature T1 and then vacuumized to remove impurities; and heating the reaction solution to a reaction temperature T2 in an inert atmosphere, carrying out heat preservation, cooling after the reaction is finished, precipitating a product, separating and washing. The method is easy to control, the prepared nanometer material is good in dispersity, uniformity and repeatability, the nanometer material can be combined with oxygen in cells under ultrasonic radiation to generate ROS, and the nanometer material can have photo-thermal performance under near-infrared light irradiation, so that the effect of treating tumors through synergism of sonodynamic force and photo-thermal is achieved, and the nanometer material has good application prospects. Good application prospects are realized.

The present invention relates to a method for producing a sulfide solid electrolyte, comprising a step of subjecting a slurry to at least one treatment selected from drying and heating. The method comprises: mixing a solid electrolyte raw material containing lithium, sulfur, phosphorus, and a halogen element with a complexing agent in a reaction tank to obtain a complex slurry containing a complex formed by the solid electrolyte raw material and the complexing agent; and transferring the complex slurry to an intermediate tank equipped with a cooling device for cooling.