40 results about "Metallate" patented technology

A mediator-based electrochemical gas sensor reacts selectively with hydrogen sulfide. The gas sensor has an electrolyte solution (9), which contains a mediator compound in the form of metallates of transition metals.

The present invention relates to complementary electrochromic devices comprising poly(3,4-ethylenedioxythiophene) and derivatives thereof as a cathodically coloring layer and an indium hexacyanometallate or transition metal hexacyanometallate as an anodically coloring layer.

A battery is provided with a hexacyanometallate cathode. The battery cathode is made from hexacyanometallate particles overlying a current collector. The hexacyanometallate particles have the chemical formula A_XM1_MM2_N(CN)_Z.d[H₂O]_ZEO.e[H₂O]_BND. where A is a metal from Groups 1A, 2A, or 3A of the Periodic Table, where M1 and M2 are each a metal with 2+ or 3+ valance positions, where “ZEO” and “BND” indicate zeolitic and bound water, respectively, where d is 0, and e is greater than 0 and less than 8. The anode material may primarily be a material such as hard carbon, soft carbon, oxides, sulfides, nitrides, silicon, metals, or combinations thereof. The electrolyte is non-aqueous. A method is also provided for fabricating hexacyanometallate with no zeolitic water content in response to dehydration annealing at a temperature of greater than 120 degrees C. and less than 200 degrees C.

Provided is a method for preparing transition metal oxide nano-particles from a transition metal as a reactant. The method includes dissolving the transition metal into aqueous hydrogen peroxide to provide peroxi-metallate solution, and then adding a reactive solution containing an alcohol, water and an acid thereto to perform hydrothermal reaction. More particularly, the method for preparing transition metal oxide particles includes: dissolving transition metal powder as a reactant into aqueous hydrogen peroxide to provide a peroxi-metallate solution with a molar concentration of transition metal of 0.001-0.2 M; adding a reactive solution containing an alcohol, water and an acid to the peroxi-metallate solution to provide a mixed solution; and subjecting the mixed solution to hydrothermal reaction to provide transition metal oxide nano-particles.

A process for recovering ionic liquids comprising the steps of: providing a first ionic liquid mixture, the first ionic liquid having a halogen metallate anion, the mixture containing an organic solvent; adjusting the pH of the mixture to pH 7-10 by the addition of a base to form a first precipitate; separating the first precipitate from the mixture; removing the organic solvent from the first mixture to form a second precipitate and separating the second precipitate from the first mixture; acidifying the resulting mixture to pH 2-7 by the addition of an acid; and drying the mixture to obtain a second ionic liquid having a halogen anion.

The invention provides a preparation method of spherical rhenium alloy powder. The preparation method comprises the following steps: (A) mixing an ammonium rhenate solution with one or more types of ammonium metallates including cerium, molybdenum and tungsten to form a mixed solution; (B) centrifuging and atomizing the mixed solution at the speed of 15000rad/min-18000rad/min to form an atomized solution, and evaporating moisture at a high temperature to obtain alloy powder; and (C) after carrying out hydrogenation reduction on the alloy powder, heating and melting by adopting plasmas and balling to obtain the spherical rhenium alloy powder. The spherical rhenium alloy powder prepared by the method provided by the invention has good mobility and high component uniformity; after being detected by an instrument, the spherical rhenium alloy powder has high sphericity degree and high intensity, and excellent performances in all aspects; and the spherical rhenium alloy powder is widely applied to the aspects of steel die pressing, isostatic pressing, hot spraying, injection molding, 3D (Three Dimensional) printing and the like, particularly 3D printing.

Disclosed is a release on demand type corrosion inhibitor composition for a metal substrate formed from only non-electrically conductive film forming copolymer(s); a nitrogen containing functional group X, where the group X comprises a pyridine, a dihydropyridine, a pyrrole, an imidazole, or a mixtures thereof; and a metallate anion. The metallate anion binds to a nitrogen in the functional group X by ion pairing. A localized rise in pH is believed to cause release of the anion via a protonation/deprotonation reaction and the released anion suppresses the corrosion formation. The coating composition includes no electrically conductive polymers.

A method is provided for the self-repair of a transition metal cyanometallate (TMCM) battery electrode. The battery is made from a TMCM cathode, an anode, and an electrolyte including solution formed from a solvent and an alkali or alkaline earth salt. The electrolyte includes an additive represented as G-R-g: where G and g are independently include materials with nitrogen (N) sulfur (S), oxygen (O), or combinations of the above-recited elements; and where R is an alkene or alkane group. In response to charging and discharging the battery in a plurality of cycles, the method creates vacancies in a surface of the TMCM cathode. Then, the method fills the vacancies in the surface of the TMCM cathode with the electrolyte additive. An electrolyte and TMCM battery using the above-mentioned additives are also provided.

The invention provides a high-stability antifouling automobile coating and a preparation method thereof, and belongs to the field of coatings. The high-stability antifouling automobile coating provided by the invention is prepared from modified organosiloxane, bismuth metallate salt and an amine curing agent, wherein the organosiloxane is prepared from a modifier and polymethylhydrogensiloxane; the modifier is selected from diallyl phthalate, diallyl-o-phthalate and diallyl terephthalate; the amine curing agent is selected from N, N-diethylcyclopentane-1, 2-diamine, 1-N-morpholino-2-amino-cyclopentane and 2-(4-methyl-1-piperazine) cyclopentylamine. The automobile coating provided by the invention has good corrosion resistance, aging resistance and antibacterial property.

Disclosed is an inhibitor through select flotation of disulfo-nonmetal acid salt and oligomer of the disulfo-nonmetal acid salt and a preparation and using method. The inhibitor is formed by the disulfo-nonmetal acid salt and the oligomer of the disulfo-nonmetal acid salt and inhibits zinc sulfide ore of select flotation by iron sulfide ore in a natural pH condition. The disulfo-nonmetal acid saltand the oligomer of the disulfo-nonmetal acid salt comprises two molecular structure forms. The two molecular structure forms have the structural characteristics of the disulfo-nonmetal acid salt andthe oligomer. The disulfo-nonmetal acid salt is non-metallic oxygen-containing acid salt. By means of the inhibitor, the zinc sulfide ore of select flotation by the select flotation process can be achieved through a slight inhabiting method that lime cannot be added in the select flotation process, the pH value of ore pulp of operation of the zinc sulfide ore of select flotation in a 6-9 neutralrange is different from the pH value of more than 12 of ore pulp of operation of the zinc sulfide ore of select flotation by using a known method that lime is used as an inhibitor of the iron sulfideore significantly.

Disclosed is a multilayer coating for a quasi-phase-matching (QPM) element having a substrate made of lithium metallate. The multilayer coating comprises a first layer which is in contact with the substrate and made of an oxide of a metal constituting the metallate in the lithium metallate. Specifically, when the substrate is made of lithium tantalate (LiTaO₅), the first layer may be made of tantalum pentoxide (Ta₂O₅). When the substrate is made of lithium niobate (LiNbO₃), the first layer may be made of niobium trioxide (Nb₂O₃). The multilayer coating of the present invention can provide a high-performance quasi-phase-matching element on the basis of consideration of a relationship between the substrate and the first layer of the multilayer coating.

The invention discloses use of a uranium-containing compound as a scintillator. The uranium-containing compound is a uranium-containing organic-inorganic hybrid compound or a uranium-containing inorganic compound. The uranium-containing organic-inorganic hybrid compound is a uranium-containing organic carboxylate or a uranium-containing organophosphate. The uranium-containing inorganic compound is a uranium-containing non-metallate, a uranium-containing metal salt, or a uranium-containing halide. The invention discloses the uranium-containing organic-inorganic compound or the uranium-containing inorganic compound having intrinsic scintillating ability, and provides a new concept and method for the development of (organic-inorganic, inorganic) scintillators of various chemical compositions and configurations with the uranium element.

The invention relates to a method for the electrolytic surface modification of a flat workpiece by the deposition of copper aggregates. The invention also relates to flat metal workpieces that can be produced using this method and to the use of said metal workpieces as substrates for the formation of secure adhesive bonds comprising a plurality of materials.