46 results about "Molybdenum pentachloride" patented technology

The invention discloses nickel-molybdenum alloy aerogel and a method for preparing the same. The method for preparing the nickel-molybdenum alloy aerogel includes 1), utilizing inorganic salt of nickel as a nickel source; 2), utilizing molybdenum pentachloride as a molybdenum source; 3), utilizing absolute ethyl alcohol as a solvent; 4), utilizing polyacrylic acid as an additive; 5), utilizing propylene epoxide as a gel accelerator; 6), adding sodium borohydride-ethyl alcohol solution into nickel-molybdenum gel to carry out prereduction on nickel-molybdenum; 7), carrying out supercritical ethyl alcohol drying on prereduced gel to obtain the nickel-molybdenum alloy aerogel. The nickel-molybdenum alloy aerogel prepared by the aid of the method comprises crystalline-state nickel-molybdenum alloy. A molar ratio of nickel:molybdenum is an optional proportion ranging from 10:1 to 1:10, nickel-molybdenum alloy nano-particles are stacked to form the nickel-molybdenum alloy aerogel, and the particle sizes range from 5 nm to 100 nm; the specific surface area of the nickel-molybdenum alloy aerogel ranges from 10 m<2> / g to 120 m<2> / g, and the density of the nickel-molybdenum alloy aerogel ranges from 0.02 g / cm<3> to 0.5 g / cm<3>. The nickel-molybdenum alloy aerogel and the method have the advantages that raw materials for the nickel-molybdenum alloy aerogel are easily available, and the method includes simple processes; the nickel-molybdenum alloy aerogel prepared by the aid of the method can be used for different types of gas-phase catalytic reaction.

The invention discloses a high weather-resistant and anti-interference anticorrosive paint for power distribution cabinets. The anticorrosive paint is characterized by comprising the following raw materials by weight: 22-25 parts of ethylene propylene terpolymer, 30-36 parts of bisphenol A type epoxy resin, 2-3 parts of chlorinated paraffin, 4-6 parts of glycol, 1-2 parts of dibutyl phthalate, 2-4 parts of vermiculite powder, 2-3 parts of celestite powder, 1-2 parts of triphenylmethyl ethylphenol polyoxyethylene ether, 2-3 parts of sodium benzoate, 5-7 parts of talcum powder, 2-3 parts of molybdenum pentachloride, 1-2 parts of vinyl tri(beta-methoxy ethoxy) silane, 1-2 parts of sulfonated lanolin calcium soap, 1-2 parts of carboxymethyl cellulose, 15-17 parts of butyl acetate, 6-9 parts of xylene and 4-7 parts of an aid. The paint provided by the invention has good decorative effect on the power distribution cabinet under natural conditions, and the paint film is smooth and flat, has good gloss and high weather resistance, and is not easy to turn yellowing or chalking; the added additive promotes the film forming ability of the paint, and also has anti-electromagnetic interference effect to prevent the interference on the electronic equipment in the power distribution cabinet, so as to avoid error signal.

The invention relates to a lithium-oxygen battery electrolyte using molybdenum pentachloride as redox medium and preparation and application thereof. The electrolyte includes soluble lithium salt as solute, proton-free solvent and additive molybdenum pentachloride. The concentration of solute in the electrolyte is 0.1- 1 mol / L. The concentration of molybdenum pentachloride in electrolyte is 0.01-0.1 mol / L. As that molybdenum pentachloride is use as an electrolyte additive in the lithium oxygen battery, the invention facilitates the formation of the cyclic lithium peroxide dure the discharge process, and also plays the role of stabilizing the carbon electrode. Lithium peroxide discharge products can be effectively decomposed in the charging process, and the cycle life and reversibility ofthe battery can be improved by decreasing the charging voltage. At the same time molybdenum pentachloride is stable in the battery system and no side reaction occurs. The invention has the advantagesof low cost, easy access, high efficiency and convenience.

The invention discloses a method for synthesizing an ultrafine ternary cobalt molybdenum phosphorus nanorod and belongs to the technical field of preparation of nanomaterials. The ultrafine ternary cobalt molybdenum phosphorus nanorod is synthesized from cobalt chloride, molybdenum pentachloride and trioetylphosphine as raw materials according to the mass ratio of 0.052 to 0.0546 to 1.66 and oleylamine as a ligand by adopting a solvothermal method. A sample prepared by the preparation method disclosed by the invention has the advantages of high phase purity, high crystallinity and uniform particle size distribution; and the preparation method has the advantages of simple process, controllable morphology and aspect ratio, high repeatability and the like.

The invention provides a molybdenum ditelluride electrochemical energy storage material, the material is metastable molybdenum ditelluride, and its expression is 1T'-MoTe 2 , the morphology is a nanoflower structure or a nanosphere structure assembled by ultrathin nanosheets. The invention also provides a preparation method and application of the material, using oleylamine as the reducing agent, molybdenum hexacarbonyl or molybdenum pentachloride as the precursor of molybdenum, injecting the tellurium-trioctylphosphine precursor at a certain temperature, and controlling the reaction temperature and reaction time, thereby preparing a metastable hexagonal phase molybdenum ditelluride nanoflower structure or nano spherical structure with uniform size and regular shape. This type of material exhibits excellent supercapacitor energy storage performance and is suitable for the field of new energy development.

The invention discloses a preparation method and application based on molybdenum tetrasulfide-coated gold nanorods. The preparation method is as follows: reacting gold nanorods with sodium thiosulfate solution and molybdenum pentachloride solution for 4 to 8 hours to obtain molybdenum tetrasulfide-coated gold nanorods with peroxide mimetic enzyme activity. The obtained molybdenum tetrasulfide-coated gold nanorod mimic enzyme was used to detect the content of mycotoxin zearalenone. The present invention utilizes the characteristic of catalytically decomposing hydrogen peroxide by molybdenum tetrasulfide-coated gold nanorods, and then according to the specific combination of antigen and antibody, zearalenone and zearalenone are modified by molybdenum tetrasulfide-coated gold nanorods. Enone aptamer-specific action, and then achieve the purpose of detecting zearalenone; the present invention uses molybdenum tetrasulfide coated gold nanorods to detect zearalenone, which has high sensitivity, obvious phenomenon, simple operation and effective Accurately determine the concentration of zearalenone in crops.

The invention discloses a two-dimensional transition metal chalcogenide film and a preparation method thereof. The preparation method comprises the steps that A and B are mixed and then added into a C solution, and thus a precursor solution is obtained, wherein A is molybdenum pentachloride or tungsten tetrachloride, B is thiourea or selenourea, and C is isopropanol, or ethyl alcohol or methyl alcohol; the precursor solution is smeared on a silicon wafer with an oxidation layer; and a precursor placed on the surface of the silicon wafer is irradiated by a laser with the output power being 20-200 W for 0.02-2 s under the vacuum environment or the inert atmosphere environment, and thus the two-dimensional transition metal chalcogenide film is obtained. According to the preparation method, the two-dimensional transition metal chalcogenide film is prepared through a laser, the technological process is simple, the two-dimensional transition metal chalcogenide film with the high quality can be obtained in a short time, and the preparation method is suitable for large batch production of the two-dimensional transition metal chalcogenide films.