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126results about "Molybdenum oxides/hydroxides" patented technology

Glass fiber yarn and method for manufacturing the same

To provide glass fiber yarn and a method for manufacturing the same.SOLUTION: A method for manufacturing glass fiber yarn comprises a coating step of coating a molybdenum compound on the surfaces of inorganic particles to form the surface-treated inorganic particles; a sintering step of sintering the surface-treated inorganic particles on a temperature condition of 400 to 1,000°C in a nitrogen gas atmosphere; a mixture step of mixing the surface-treated inorganic particles into a molten glass raw material; and a spinning step of spinning the molten glass raw material including the surface-treated inorganic particles to form glass fiber yarns.SELECTED DRAWING: Figure 1
Owner:NANYA PLASTICS CORP

Molybdenum oxide nanorod material, preparation method thereof and application of molybdenum oxide nanorod material in improvement of corn nutrient utilization, growth promotion and lodging resistance

The invention discloses a molybdenum oxide nanorod material, a preparation method of the molybdenum oxide nanorod material and application of the molybdenum oxide nanorod material to improvement of corn nutrient utilization, growth promotion and lodging resistance, and belongs to the technical field of corn nutrient utilization and agricultural nano material application. The morphology and dispersity of the nanorod are optimized by combining molecular composition characteristics of key enzymes (such as nitrate reductase and glutamine synthetase) in a corn nutrient utilization process, and finally the functional nanorod with targeting property and biocompatibility is obtained and can be widely applied to nutrient regulation and control scenes of corn water culture and field planting. After the material is applied, the activity of nitrate reductase and glutamine synthetase of a corn root system can be activated in a targeted manner, the nutrient utilization efficiency is accurately improved, and sufficient nutrition support is provided for plant growth. After the fertilizer is applied to plants, the root system is promoted to be developed, the stalks are thick and strong, the lodging resistance is remarkably enhanced, the protein content of the plants and grains can be increased, and the synergistic effects of efficient nutrient utilization, robust plant growth, lodging resistance and yield increase are achieved.
Owner:HUBEI HONGSHAN LABORATORY

Manganese-based battery positive electrode material precursor and preparation method and application thereof

The invention relates to the technical field of battery positive electrode materials, discloses a manganese-based battery positive electrode material precursor as well as a preparation method and application thereof, and belongs to the technical field of battery preparation. According to the technology for preparing the manganese-based battery positive electrode material precursor, a solid-phase method is mainly adopted, a high-temperature melting technology is adopted, the manganese-based positive electrode material is subjected to doping modification through multiple elements at the same time, then surface coating is carried out, the density of the synthesized positive electrode material is improved, the structural stability of the synthesized positive electrode material is enhanced, and the morphology, the crystal face and the crystal boundary of the positive electrode material are optimized; the side reaction between the crystal interface of the positive electrode material and electrolyte is inhibited, the service life is prolonged, and the safety performance during use is enhanced. A small amount of water vapor and carbon dioxide gas generated in the preparation process are discharged at high altitude, so that the environment is not polluted.
Owner:ANHUI XINNA MATERIAL SCIENCE & TECHNOLOGY CO LTD

Method for preparing high-purity vanadium chemicals from vanadium raw materials having high molybdenum contents

A process produces high-purity vanadium chemicals from vanadium raw materials having high molybdenum contents. Molybdenum is selectively precipitated via vanadium from alkaline vanadate solutions using the following process steps: providing a molybdenum-containing alkaline vanadate solution, adding calcium hydroxide as a precipitant in portions while keeping the pH constant between 6 and 7 using acid, mixing the solution, solid-liquid separation of the resulting suspension, and further processing the low-molybdenum alkaline vanadate solution to produce a high-purity vanadium chemical having a molybdenum content of at most 500 ppm.
Owner:GFE METALLE & MATERIALIEN GMBH

METHOD FOR PRODUCING MOLYBDENUM TRIOXIDE HAVING LOWERED Sb CONTENT

PendingJPWO2025225052A5Molybdenum oxides/hydroxides
The present disclosure addresses the problem of providing a method for producing molybdenum trioxide having a lowered Sb content. A method for producing molybdenum trioxide according to the present invention includes: a step for mixing a raw material constituted of molybdenum compounds or hydrates thereof with chlorine, hydrogen chloride or a chloride; and a step for heating the obtained mixture at a temperature of 70°C or higher. Alternatively, a method for producing molybdenum trioxide according to the present invention includes: a step for mixing ammonium chloride with a raw material constituted of molybdenum trioxide, ammonium molybdate or hydrates of these; and a step for heating the obtained mixture at a temperature of 180ºC or higher.

Silica-based aerogel composite material, preparation method and application thereof

This invention belongs to the field of aerogel technology, and relates to a silicon-based aerogel composite material, its preparation method, and its application. The preparation method of the silicon-based aerogel composite material is as follows: An active component precursor is added to a solvent and stirred until homogeneous, forming an active component precursor solution; ethanol and acid are added to the silicon-based precursor, stirred until homogeneous, and cooled to room temperature to form a silicon-based precursor solution; the active component precursor solution is added to form a precursor-silica sol mixed solution; an alkaline solution is added and stirred until homogeneous, forming a mixed solution; a stepped hot melt-gel treatment is performed, followed by standing to form a silicon-based composite wet gel; solvent replacement and drying yield silicon; the stepped hot melt-gel reaction includes 2-5 temperature stages, each lasting 10-80 minutes at 50-100°C. This invention employs a controllable stepped hot melt-gel process to obtain a silicon-based aerogel composite material with both high specific surface area and excellent mechanical properties.
Owner:NEW MATERIAL INST OF SHANDONG ACADEMY OF SCI

Graphene monoxide compositions and electrodes comprising them

To provide a novel graphene monoxide material that can be used in many applications such as electrochemical cells and methods of making the same.SOLUTION: Provided are a composition of graphene-based nanomaterials characterized by at least one area of one atomic layer of graphene monoxide, wherein at least a portion of oxygen molecules present in the graphene monoxide are incorporated into specific crystalline structural moieties, methods of making the same, electrodes in electrochemical devices incorporating the same, and compositions of lithium and graphene monoxide, the compositions containing material that result from cycling the electrodes.SELECTED DRAWING: Figure 1-1
Owner:CONOVATED INC +1

Preparation method of high-purity molybdenum trioxide

The application relates to the technical field of molybdenum trioxide production, and particularly discloses a preparation method of high-purity molybdenum trioxide. The method comprises the following steps: preparing a complexing impurity removing agent by taking diatomite, citric acid, ethylenediaminetetraacetic acid disodium and tartaric acid as raw materials; dissolving industrial ammonium dimolybdate to obtain an ammonium molybdate solution, adding the impurity removing agent into the ammonium molybdate solution, complexing impurities under an acidic condition, and deeply removing the impurities through flocculation and precision filtration; adjusting the alkalinity of the filtrate, and cooling and crystallizing the filtrate to obtain high-purity ammonium molybdate; and finally performing program-controlled temperature calcination in an atmosphere with a specific oxygen content by using a quartz boat coated with a composite coating on the inner wall, so as to obtain high-purity molybdenum trioxide. The application combines multi-stage purification with an accurate calcination process, can efficiently remove impurities in raw materials, and has stable process flow; the obtained molybdenum trioxide product has high purity, good crystal morphology, good process stability and good industrialization prospect.
Owner:ANQING YUETONG MOLYBDENUM CO LTD

Composite body, catalytic ink, and method for manufacturing composite body

A composite product includes molybdenum disulfide particles and palladium particles, in which an average crystallite size of molybdenum disulfide included in the molybdenum disulfide particles determined from a peak of 2θ=14.4°±0.5° obtained by X ray diffraction measurement is 150 nm or less. A catalyst ink includes the composite product and a dispersing medium. A method for producing the composite product includes a step of mixing molybdenum disulfide particles and a palladium solution, in which an average crystallite size of molybdenum disulfide included in the molybdenum disulfide particles determined from a peak of 2θ=14.4°±0.5° obtained by X ray diffraction measurement is 150 nm or less.
Owner:DIC CORP

Ultrafine mesoporous molybdenum oxide material and preparation method thereof

ActiveCN116835649BGuaranteed puritySimple process conditionsMolybdenum oxides/hydroxides
This invention provides an ultrafine intermediate molybdenum oxide material and its preparation method. The method involves placing ammonium molybdate in a reaction vessel and heating it in a vacuum environment at 400℃–600℃ for at least 3 hours to obtain the ultrafine intermediate molybdenum oxide material. The reaction vessel is a sealed structure except for the exhaust end, which is equipped with a one-way gas flow valve. The Fisher particle size of the ultrafine intermediate molybdenum oxide material is 0.8–1.0 micrometers. The method uses a reaction vessel equipped with a one-way gas flow valve, preventing external air from entering during the roasting process while simultaneously allowing the exhaust of gases generated during decomposition, thus ensuring the purity of the obtained molybdenum oxide material. The process conditions are simple and easy to control, making it suitable for industrial production. This material, with its small particle size and high purity, has broad application prospects.
Owner:JINDUICHENG MOLYBDENUM CO LTD

Preparation of MoNiCoFe multi-metal self-supporting electrocatalyst

The invention relates to preparation and application of a MoNiCoFe multi-metal self-supporting electrocatalyst in the field of hydrogen production by electrocatalytic decomposition of water. Hydrogen energy serving as renewable energy has become an important research subject in global energy transformation. Water electrolysis hydrogen production is regarded as one of the most potential hydrogen production modes by means of efficient H2 output. Therefore, development of an electrocatalyst with high efficiency, long-term stability and low cost becomes a core problem of current electrocatalysis research. The invention relates to preparation and application of a MoNiCoFe multi-metal self-supporting electrocatalyst in the field of electrocatalytic hydrogen evolution. The invention aims to solve the problems that raw materials for synthesizing a high-performance electrocatalyst in the prior art are rare in reserve and high in price. The invention designs and develops a polyacid-derived dissimilar metal oxide Mo4O11 / NiCoFe-LDH (at) IF and a preparation method of the polyacid-derived dissimilar metal oxide. According to the adopted method, (NH4) 4 [NiMo6O24H6]. 6H2O is used as a precursor, cobalt nitrate is combined as an auxiliary cobalt source, foam iron is used as a conductive substrate, the self-supporting catalyst Mo4O11 / NiCoFe-LDH (at) IF with a hierarchical porous micron column structure is constructed through a hydrothermal method, and the self-supporting catalyst shows excellent electrocatalytic activity and stability in alkaline electrolyte.
Owner:HARBIN UNIV OF SCI & TECH

Molybdenum trioxide powder, apparatus for producing molybdenum trioxide powder, and method for producing molybdenum trioxide powder

This molybdenum trioxide powder has a specific surface area, as measured using the BET method, of 100 mm2 / g-500 m2 / g. The molybdenum trioxide powder may have a median diameter D50 of 5-1000 nm, as determined using a dynamic light scattering method. The molybdenum trioxide powder may have a purity of 99 mass% or more. The molybdenum trioxide powder may include molybdenum trioxide having a β crystal structure.
Owner:DIC CORP

Method for reducing molybdenum trioxide to molybdenum dioxide or molybdenum carbide and use thereof

The application provides a method and application for reducing molybdenum trioxide to generate molybdenum dioxide or molybdenum carbide, which comprises the following steps: dispersing MoO3 powder in a mixed solution of monohydric alcohol and polyhydric alcohol, adding a triblock copolymer P123 stabilizer, and obtaining a suspension which is subjected to microwave-assisted solvothermal reaction, centrifugation or filtration and washing, and then brown H 0.93 The MoO3 / C precursor microspheres are placed in an argon plasma environment and calcined at a high temperature of 500-600 DEG C for 30-60 min to obtain brown-black MoO2 / C microspheres; or the H 0.93 The MoO3 / C precursor is placed in a hydrogen-argon plasma environment and calcined at a high temperature of 500-600 DEG C for 30-60 min to obtain gray Mo2C / C microspheres. The MoO2 / C and Mo2C / C materials prepared by the application have nanocrystalline characteristics and excellent electrochemical performance, and have a good commercial application prospect as negative electrode materials of lithium batteries.
Owner:RESEARCH INSTITUTE OF TSINGHUA UNIVERSITY IN SHENZHEN

A method for extracting molybdenum trioxide

The application provides a molybdenum trioxide extraction method, and belongs to the field of extraction metallurgy. The molybdenum trioxide extraction method provided by the application comprises the following steps: vacuum smelting a molybdenum-containing material to obtain sublimates, and cooling the sublimates to obtain the molybdenum trioxide; the molybdenum content in the molybdenum-containing material is 37.42-46.31 wt%, and the oxygen content is 30.74-38.13 wt%; the temperature of the vacuum smelting is 880-1200 DEG C, and the vacuum degree is 0.47-10 Pa; and the cooling rate of the cooling is 5-10 DEG C / min. The molybdenum trioxide is obtained by decomposing molybdate in the molybdenum-containing material through vacuum smelting, and the original molybdenum trioxide in the molybdenum-containing material sublimates under high-temperature conditions to obtain high-purity molybdenum trioxide, thereby effectively improving the extraction efficiency of the molybdenum trioxide; and the extraction method is simple, the low-grade molybdenum-containing material is used as the raw material, the extraction cost is lower, and the environment is not polluted.
Owner:KUNMING UNIV OF SCI & TECH

Molybdenum trioxide powder and method for producing the same

A molybdenum trioxide powder, which contains an aggregate of primary particles comprising a crystal structure of molybdenum trioxide, the crystal structure comprising α-crystals having an average crystallite size of 50 nm or less. The median particle diameter D50 of the primary particles, which is obtained by a dynamic light scattering method, is 2000 nm or less. 50 is 2000 nm or less.
Owner:DIC CORP

Molybdenum oxide segmented temperature control collecting device

The utility model discloses a molybdenum oxide segmented temperature control collecting device which comprises a shell, a preheating pipe, a condensing pipe, a tail gas pipe and a temperature control system, and the preheating pipe, the condensing pipe and the tail gas pipe are all wrapped by the shell. Insulating layers and electric heating wires are arranged between the preheating pipe and the corresponding inner wall of the shell, between the condensing pipe and the corresponding inner wall of the shell and between the tail gas pipe and the corresponding inner wall of the shell; the condensation pipe is divided into a main collection cavity and an auxiliary collection cavity through a partition plate, an airflow channel is formed in the partition plate, and an adjusting valve is arranged on the airflow channel; the preheating pipe is communicated with the main collecting cavity, and the tail gas pipe is communicated with the auxiliary collecting cavity. When the device works, on one hand, the temperature control system is arranged, so that the partition diversity of the temperature field of the condensation area is realized, and molybdenum oxide products with different crystal morphologies and purities can be obtained; and on the other hand, recycling is achieved through the multi-stage chambers, the steam flow speed can be adjusted through the adjusting valve, and the recycling rate and the material taking stability are improved.
Owner:湖南炉科曼冶金科技有限公司 +1

Preparation method and application of three-dimensional self-supporting rGO-MoO2-S positive electrode material

The invention discloses a preparation method and application of a three-dimensional self-supporting rGO-MoO2-S. The three-dimensional self-supporting rGO-MoO2-S positive electrode material is composed of nitrogen-doped rGO, superfine MoO2 nanoparticles and sulfur, and has a high specific surface area, a porous structure and excellent electrochemical performance, and the preparation method comprises the following steps: dissolving MoCl5 in deionized water, adding ammonia water and a GO nanosheet dispersion, and stirring to obtain a mixed solution; after uniform stirring, GO-MoO2 hydrogel is prepared through a hydrothermal method; carrying out freeze drying and high-temperature calcination in a nitrogen atmosphere, so as to obtain self-supporting rGO-MoO2 aerogel; the rGO-MoO2-S positive electrode material is used as a sodium-sulfur battery positive electrode, the shuttle effect of NaPSs can be effectively inhibited from physical packaging and chemical adsorption double layers, the cycle stability and rate capability of the battery are improved, the self-supporting structure does not need additional binders or conductive additives, the actual energy density of the battery is further improved, and the preparation method is simple and easy to implement. The invention provides a high-performance positive electrode material for application of a room-temperature sodium-sulfur battery in the field of large-scale energy storage, and has important significance.
Owner:HUBEI UNIV OF TECH

Molybdenum trioxide powder and method for producing same

A molybdenum trioxide powder contains an aggregate of primary particles having a β crystal structure of molybdenum trioxide. The molybdenum trioxide powder has a MoO3 content ratio of 99.6% or more measured by X-ray fluorescence (XRF), and has an average particle diameter of the primary particles of 1 μm or less. A method for producing the above molybdenum trioxide powder includes vaporizing a molybdenum oxide precursor compound to form molybdenum trioxide vapor, and cooling the molybdenum trioxide vapor.
Owner:DIC CORP

Preparation method of nano-zinc sulfide composite material

This invention discloses a method for preparing a nano-zinc sulfide composite material, comprising: (1) dissolving ammonium molybdate in deionized water, stirring evenly to form a 50 g / L solution, then sequentially adding zinc acetate and thiourea, wherein the mass ratio of ammonium molybdate to zinc acetate and thiourea is 2:1, and stirring thoroughly to obtain a mixed solution; (2) transferring the obtained mixed solution to a reaction vessel, reacting at a constant temperature of 160℃ for 12 h, and obtaining a solid powder after treatment; (3) heat-treating at 300-400℃ for 2 h to obtain the nano-zinc sulfide composite material. This invention synthesizes zinc sulfide nanomaterials with different sizes and morphologies, while molybdenum dioxide nanoparticles modify the surface of zinc sulfide. The two work synergistically to have heterogeneous structural characteristics that promote and accelerate electron transport. Using them as electrode materials for electrochemical detection of nicotine and the metabolite cotinine content in cigarettes shows potential application advantages.
Owner:山西昆明烟草有限责任公司

Preparation method of PdO / alpha-MoO3 hollow microspheres and gas sensitive element based on in-situ growth

The invention discloses a preparation method of PdO / alpha-MoO3 hollow microspheres and a gas sensitive element based on in-situ growth. The preparation method comprises the following steps: growing multilevel-structure PdO / alpha-MoO3 hollow microspheres with different PdO composite molar ratios on a ceramic tube in situ by adopting a solvothermal method; when the PdO / alpha-MoO3 composite material with the molar ratio of PdO being 2.5 at% has the best sensing performance to triethylamine gas, the response value of the material to 50ppm triethylamine gas is 122.1 at the optimal working temperature of 217 DEG C, the triethylamine gas as low as 0.1 ppm can be detected, the trace gas monitoring requirement is met, and the composite material is suitable for early warning or trace pollutant detection in a severe environment; the response speed is accelerated, the response time to the triethylamine gas is only 28.6 seconds, the gas concentration change can be captured in time, the real-time monitoring efficiency is improved, and the mechanism of the influence of the formation of the p-n heterostructure on the gas-sensitive performance is disclosed; in addition, the anti-interference capability is strong, and compared with interference gases such as aniline, acetone, ammonia gas and the like, the sensor has remarkable selectivity on triethylamine.
Owner:ANYANG INST OF TECH

Preparation method of high-temperature-resistant memory metal for temperature control device

The invention relates to the technical field of metal materials, in particular to a preparation method of high-temperature-resistant memory metal for a temperature control device, which specifically comprises the following steps: S1, raw material smelting, S2, ingot casting pretreatment, S3, molding processing, S4, heat treatment and S5, surface treatment. According to the preparation method, the prepared nanorod composite material is added into the raw materials of the memory metal, the nanorod composite material can be used for pinning a grain boundary like a'framework ', preventing grain growth or grain boundary softening at a high temperature and enhancing the stability of a crystal structure, and the nanorod composite material is not easily scattered at the high temperature, so that the reversibility of phase change can be kept, and the mechanical property can be maintained; and the nanorod composite materials can be mutually connected through the fiber net-shaped structure coated on the surface, so that a continuous-phase nanorod layer is formed, the effect of isolating oxygen can be achieved, internal metal is prevented from being further oxidized and corroded, performance stability can still be maintained in a high-temperature environment, and the high-temperature resistance of the memory metal can be effectively improved.
Owner:AUONE ELECTRONICS MFG

Doped sodium vanadium phosphate, process for its preparation and its use

A process for producing a nitrogen-doped peony-shaped molybdenum oxide, comprising the following steps: (1) adding a regulator to a molybdenum-containing solution for reacting, concentrating and thermally treating to obtain a peony-shaped molybdenum oxide; and (2) dissolving the peony-shaped molybdenum oxide in a conditioning agent and adding an amine source for standing, centrifuging, washing, and heat-treating, thereby obtaining the nitrogen-doped peony-shaped molybdenum oxide; wherein the regulator is at least one of the following: nitric acid, ammonium nitrate, sodium persulfate, ammonium persulfate, concentrated sulfuric acid, H2O2, ozone, sodium hypochlorite, wherein in step (2), the conditioning agent is at least one of the following: sodium acetate, ammonium acetate, sodium formate, diaminoethane, sodium oxalate, ammonium benzoate, sodium phenylacetate, sodium propionate, sodium tartrate, sodium citrate, ammonium citrate; and wherein in step (2) the amine source is at least one of the following: aniline, dimethylamine, trimethylamine, benzylamine, phenethylamine, ethylamine, diethylamine, propylamine, phenylenediamine, xylylenediamine, amphetamine.
Owner:GUANGDONG BRUNP RECYCLING TECH CO LTD +2

Metal oxide sheet with spherical convex particles and oxygen vacancies enriched on surface, preparation method and application

The invention relates to a metal oxide sheet with spherical convex particles and oxygen vacancies enriched on the surface, a preparation method and application. According to the sheet preparation method, metal oxide sheet xerogel is obtained through a heating bubbling method, and spherical convex particles and oxygen defects are enriched on the surface of the metal oxide sheet xerogel in combination with a staged annealing oxidation process. The diameter of the spherical convex particles on the surface of the thin sheet is 50-100 nm, the thickness of the thin sheet is 100-500 nm, the length and width size range of the thin sheet is not limited, and the thin sheet is suitable for various size specifications. The surface of the thin sheet is enriched with spherical convex particles and oxygen defects, so that adsorption sites with relatively high surface area / volume and high density can be provided, the surface electronic structure is improved, the electron transmission rate is accelerated, the sensing performance is enhanced, and the sensing stability is improved. The thin sheet has a wide application prospect in the fields of gas sensing, colorimetric sensing, fluorescence sensing, stress sensing, chemical sensing, photoelectric sensing and biological sensing.
Owner:NANKAI UNIV

NANO metal oxide, method for preparing same, and use thereof

This invention relates to a method for preparing nano metal oxides and its use. The preparation method involves reacting a low-purity initial alloy containing the target metal element M and Al / Zn with a heated concentrated alkaline solution. Under specific reaction conditions, the initial alloy undergoes intense hydrogen evolution and Al / Zn-removal reaction, resulting in nanoscale fragmentation, followed by shape and composition reconstruction to form nano M oxides. Through further post-treatment, crystalline nano M oxides or modified nano M oxides can be obtained. This method is simple, fast, cost-effective, and suitable for large-scale production. It enables the preparation of nano metal oxides with various crystallinities, which have promising applications in fields including composite materials, catalytic materials, ceramic materials, refractory materials, advanced electronic materials, battery materials, chromogenic materials, wave-absorbing materials, wastewater degradation materials, antimicrobial materials, coatings, pigments, thermal spray materials, and sensors.
Owner:ZHAO YUANYUN

A platinum-nickel loaded molybdenum carbide / molybdenum dioxide nanocomposite, a preparation method and application thereof

The application discloses a platinum-nickel loaded molybdenum carbide / molybdenum dioxide nanocomposite material, a preparation method and application. The application first uses a metal molybdenum salt and a complexing agent as raw materials to prepare a Mo2C / MoO2 base material containing a heterojunction, then loads PtNi on the Mo2C / MoO2 base material to prepare the platinum-nickel loaded molybdenum carbide / molybdenum dioxide nanocomposite material. The MoO2 / Mo2C nanomaterial carrier well anchors the PtNi alloy, further improves the catalytic stability of the material, and the electronic coupling and interface synergistic effect provided by the heterojunction can enhance the reactivity of the active sites, so as to maximize the catalytic performance of the material, and further reduce the hydrogen production application cost under an acid condition. Experimental results show that the platinum-nickel loaded molybdenum carbide / molybdenum dioxide nanocomposite material has the advantages of high catalytic activity, excellent stability and the like as a hydrogen production electrocatalyst of an acid electrolyte, and therefore has a wide application prospect.
Owner:NORTHWEST UNIV +1

Crimp self-assembly method of transition metal dichalcogenide

The invention discloses a curling self-assembly method of a transition metal disulfide compound, belongs to the field of preparation of the transition metal disulfide compound, breaks through the limitation of a single-layer TMDs material in an existing curling method, and expands the number of layers of a TMDs curling structure and a heterogeneous system. Multi-layer TMDs are obtained by combining a mechanical stripping method and an oxygen plasma method, a corresponding oxide layer is formed on the surface of the thin-layer TMDs after the thin-layer TMDs are subjected to oxygen plasma treatment, due to the lattice mismatch effect of the oxide layer and the TMDs, a heterostructure is placed in an acetone reagent, the surface layer oxide is subjected to the compression stress effect, the bottom layer TMDs are subjected to the tensile stress effect, and the TMDs are subjected to the oxygen plasma treatment. Therefore, the hetero-structure integrally generates a curling effect.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Rhenium remediation in the preparation of molybdenum-99

A method of preparing remediated MoO3 from naturally-occurring molybdenum, or molybdenum that is enriched in one, the other or both of Mo-98 and Mo-100 isotopes from a particulate rhenium-containing MoO3 matrix that contains one, the other or both of those isotopes is disclosed as is the product remediated MoO3 that contains less than about 1000 ppt rhenium. In accordance with the invention, particulate rhenium-containing MoO3 matrix is heated in the presence of an oxygen-containing gaseous stream to a temperature of greater than about 300° C. and less than about 800° C. The temperature and oxidative sparging are maintained for a time sufficient to assure that rhenium has been oxidized to rhenium(VII), diffuses to form the dimer (Re2O7), and is then vaporizingly removed as Re2O7, while retaining the remediated MoO3.
Owner:OUTPUT ENABLERS LLC

Method and device for preparing aqueous proton battery electrolyte based on magnesium method flue gas desulfurization byproduct and aqueous proton battery

The invention discloses a method and a device for preparing an aqueous proton battery electrolyte based on a magnesium method flue gas desulfurization byproduct and an aqueous proton battery. The method comprises the following steps: carrying out oxidation treatment and impurity removal treatment on the magnesium-method flue gas desulfurization byproduct to obtain a high-purity magnesium sulfate solution; and mixing the high-purity magnesium sulfate solution and the sulfuric acid solution to obtain the aqueous proton battery electrolyte. According to the method, the magnesium-method flue gas desulfurization by-products are directly used for preparing the aqueous proton battery electrolyte after being oxidized and subjected to impurity removal, so that the problems of accumulation and treatment of the magnesium-method flue gas desulfurization by-products are solved, the solid waste treatment cost is reduced, and resource recycling is realized; the preparation process disclosed by the invention is low in energy consumption, greatly reduces the production cost of the electrolyte, and is environment-friendly. Compared with the traditional pure sulfuric acid electrolyte, the electrolyte prepared by the invention can obviously improve the cycle performance of the water-based proton battery, greatly enhance the rate capability, meet the high-power requirement, and realize double breakthrough of high-value utilization of solid wastes and high-performance water-based proton batteries.
Owner:FUAN QINGMEI ENERGY MATERIALS CO LTD

Modified antibacterial ceramic material and preparation method thereof

The invention relates to the technical field of materials, and discloses a modified antibacterial ceramic material and a preparation method thereof.The ceramic material is prepared from potassium feldspar, bentonite, a composite antibacterial agent and the like through the processes of grinding, mixing, aging, standing and defoaming. Wherein the composite antibacterial agent is copper-loaded porous molybdenum oxide of which the surface is coated with a compact cross-linked organic matter layer, pores of the porous molybdenum oxide are blocked after the composite antibacterial agent is coated with the compact cross-linked organic matter layer, copper in the pores can be protected from flowing out in the ball-milling and mixing process with other components, and in the subsequent high-temperature ablation process of ceramic, the corrosion resistance of the composite antibacterial agent is greatly improved. According to the present invention, the organic matter layer has the long-acting antibacterial property, the tamarind gum molecular chain in the organic matter layer can be burnt off, such that the pores of the internal porous molybdenum oxide can be exposed to a certain extent so as to continuously and slowly release the copper in the pores, and the long-acting antibacterial property is provided for the glaze layer in cooperation with the photocatalytic antibacterial effect of the molybdenum oxide, and in addition, the siloxane structure in the organic matter layer can form the silica sol after high temperature ablation so as to achieve the long-acting antibacterial property; and the glaze layer is endowed with good hydrophobic self-cleaning performance.
Owner:GUANGDONG MINGYU TECH JOINT STOCK LTD CO