92 results about "Ti oxides" patented technology

The present invention provides a chemical mechanical polishing composition comprising: (a) a titanium oxide abrasive; (b) an oxidizing agent; and (c) water, wherein the chemical mechanical polishing composition has a pH of about 7 or less. The invention also provides a method for chemical mechanical polishing of a substrate, in particular a substrate comprising a boron-doped polycrystalline silicon layer on a surface of the substrate, using the composition.

This flux-cored wire for welding includes a steel sheath and a flux filled inside the steel sheath and contains an oxide and an alloy component. The total amount X of Mn oxides in terms of MnO is 0.3-15.0% in mass% with respect to the total mass of the flux-cored wire. The total amount Y of Ti oxides in terms of TiO2 is 0.1-10.0%. The ratio of the total amount X of Mn oxides to the total amount of the total amount X of Mn oxides and the total amount Y of Ti oxides (X / (X+Y)) is 0.65-1.00. The total content of Mn excluding Mn contained as an oxide is 3.0-30.0%.

Disclosed herein is a metal oxide aerogel catalyst for hydrogenation and / or hydrodeoxygenation, a method for preparing the same, and a method for hydrogenation and / or hydrodeoxygenation using the same. The catalyst consists of a metal and an oxide thereof, and the catalyst is in a form of an aerogel produced by supercritical drying. The catalyst has an effect of providing high hydrogenation and / or hydrodeoxygenation efficiency of an oxygen-containing compound.

Provided are a method for manufacturing a titanium oxide (TiOx) thin film including: (S10) mixing a titanium precursor and a peroxide aqueous solution to prepare a gel mixture including a titanium oxide (TiOx); (S20) heating the gel mixture to prepare a titanium oxide (TiOx) gel from which a peroxotitanic acid precipitate, a peroxide, and water have been removed; (S30) preparing a dispersion in which the titanium oxide (TiOx) gel is dispersed in a solvent; (S40) applying the dispersion on a substrate; and (S50) heat treating the substrate on which the dispersion has been applied, and a titanium oxide (TiOx) thin film manufactured therefrom.

The purpose of the present invention is to remove a titanium oxide film provided on the surface of a substrate. This method for removing a titanium oxide film on the surface of a substrate includes: a step for supplying a mixed gas containing hydrogen fluoride gas and ammonia gas to the surface of the titanium oxide film to chemically react the titanium oxide film with the mixed gas, and thereby generate a gaseous reaction product from the titanium oxide film to remove the titanium oxide film from the surface of the substrate; and a step for heating the substrate to remove deposits adhering to the substrate when the reaction product is generated.

To provide a manufacturing method of titanium oxide powder that can manufacture titanium oxide powder with relatively high purity while easily maintaining particle shape, and to provide titanium oxide powder.SOLUTION: A manufacturing method of titanium oxide powder according to the present invention is a method for manufacturing titanium oxide powder comprising TiO2, and comprises a granulation step of using raw material powder comprising TiO2 having a BET specific surface area of 10 m2 / g to 100 m2 / g and a rutilization rate of less than 10% and performing spray drying on the raw material powder using a slurry comprising the raw material powder and water as a dispersion medium to obtain granulated powder.SELECTED DRAWING: None

Provided are: a negative electrode for an all-solid-state secondary battery, which has a low resistance value; a method for producing the negative electrode; and an all-solid-state secondary battery. The present invention relates to targets 12, 3, 7, 11 of sustainable development targets. The negative electrode for an all-solid-state secondary battery is characterized by comprising a molded body of a negative electrode mixture containing a solid electrolyte and a negative electrode material containing a negative electrode active material, the negative electrode material containing, as the negative electrode active material, a carbon material having, on the surface thereof, a layer containing an oxide having lithium ion conductivity. The carbon material contains at least one of graphite and hard carbon, the oxide contains at least one of lithium niobium oxide, lithium titanium oxide and lithium phosphorus oxide, the amount of the oxide is 1 part by mass or more with respect to 100 parts by mass of the carbon material, and a sulfide-based solid electrolyte is contained as the solid electrolyte. The thickness of the molded body of the negative electrode mixture is 200 [mu] m or more and 3000 [mu] m or less.

The invention belongs to the field of sealing materials, and discloses a high-pressure-resistant hydrogen embrittlement-resistant metal rubber composite sealing material and a preparation method thereof. The high-pressure-resistant and hydrogen-embrittlement-resistant metal rubber composite sealing material comprises a titanium alloy base material, a metal rubber layer and a metal rubber layer which are sequentially stacked from bottom to top, the titanium oxide layer is generated on the surface of the titanium alloy base material in situ; and the rubber layer is adhered to the surface of the titanium oxide layer through hot pressing treatment. The invention further discloses a preparation method of the high-pressure-resistant and hydrogen-embrittlement-resistant metal rubber composite sealing material, and the hydrogen-embrittlement-resistant metal rubber composite sealing material which can still keep stable deformation in a high-pressure environment is prepared by constructing the hydrogen-inhibiting oxidation layer and combining surface roughening, laser irradiation treatment and hot pressing treatment. After the high-pressure-resistant and hydrogen-embrittlement-resistant metal rubber sealing material is kept in a 100 MPa high-pressure hydrogen environment for 1000 hours, the tensile strength retention rate is larger than or equal to 88%, the percentage elongation retention rate after fracture is larger than or equal to 80%, and the deformation is smaller than or equal to 0.5%.

The invention discloses a composite solid-state electrolyte, a preparation method thereof and a solid-state lithium metal battery, and the method comprises the following three steps: preparation of bismuth oxyiodate nanoparticles, preparation of lithium lanthanum titanium oxide nanorods and preparation of the composite solid-state electrolyte, the preparation method comprises the following steps: dissolving lithium bis (trifluoromethanesulfonimide) LiTFSI and polyvinylidene fluoride (PVDF) into N, N-dimethylformamide to obtain a first mixed solution, respectively weighing bismuth oxyiodate powder and 0.1 g of lithium lanthanum titanium oxide nanorods, adding the weighed bismuth oxyiodate powder and 0.1 g of lithium lanthanum titanium oxide nanorods into the first mixed solution, carrying out ultrasonic treatment and stirring to obtain a second mixed solution, pouring the second mixed solution into a polytetrafluoroethylene plate, and carrying out ultrasonic treatment to obtain the bismuth oxyiodate / lithium lanthanum titanium oxide composite material. And drying in vacuum to obtain the composite solid electrolyte, wherein the mass fraction of the bismuth oxyiodate powder in the second mixed solution is 5-20%. The invention solves the technical problems of low ionic conductivity and lithium dendrite growth of the solid electrolyte in the prior art.

The present application relates to a kind of method for preparing metal titanium using titanium oxide containing slag, belong to resource clean utilization technical field.Titanium oxide containing slag, low-purity silicon and slagging agent are reduced smelting together, after slag-gold separation, obtain bulk Si-Ti intermediate alloy and residue;The obtained bulk Si-Ti intermediate alloy is crushed into Si-Ti intermediate alloy particles with particle size less than 4mm;With the obtained Si-Ti intermediate alloy particles as anode, with metal molybdenum or metal nickel as cathode, with metal titanium as reference electrode, with NaCl-KCl-NaF as molten salt, and Na3TiF6 Or K3TiF6 is added to molten salt, the valence of titanium in molten salt electrolysis process is controlled to +3, under high-purity argon atmosphere, at 973K, after molten salt electrolysis, metal titanium is deposited on cathode, and anode forms metal silicon powder.The present application first provides a kind of method for separating silicon titanium intermediate alloy obtained by reducing titanium oxide containing slag with silicon into metal titanium and metal silicon powder, realizes the clean utilization of titanium oxide containing slag or waste.

The application discloses a sludge resource utilization method and application thereof. The sludge resource utilization method comprises the following steps: performing electro-fermentation treatment on sludge to be fermented in an anode chamber of an electrolytic cell; and the anode electrode in the anode chamber comprises a carbon-based material modified by titanium oxide. The anode electrode of the electrolytic cell comprises the carbon-based material modified by titanium oxide, the hydrophilicity of the surface of activated carbon particles can be significantly improved by modifying the carbon material by titanium oxide, the biocompatibility and electrocatalytic activity of the material are improved, the growth of microorganisms is facilitated, the anaerobic fermentation speed of bacteria can be improved, the electro-fermentation process speed and treatment effect are optimized and improved, and the effective recovery of elements such as nitrogen, iron and phosphorus contained in the sludge is realized, so that the application prospect is good.

The invention belongs to the technical field of titanium anode material preparation, and particularly relates to a device facilitating titanium wire anode acid pickling and brushing and a treatment process. Through the design of the winding screw rod array, the titanium wires are kept dispersed without contact in a winding state, the problems of incomplete acid pickling, material accumulation during brushing or incomplete brushing and the like caused by mutual contact of the titanium wires in a traditional process are thoroughly solved, the product quality of the titanium wire anode is effectively improved, and the service life of the titanium wire anode is effectively prolonged. The titanium wire adopts the layout design of longitudinal winding, the longitudinal space is fully utilized, the problem that the transverse space occupation is too large due to the slender and bending characteristics of the titanium wire is avoided, the transverse space of a production site is greatly saved, and the space utilization rate is improved. Furthermore, the surfaces of the base and the winding screw rod are coated with ruthenium-titanium oxide coatings, so that the corrosion effect in the pickling process can be resisted, the service life of the device is prolonged, the equipment replacement frequency is reduced, and the material loss and the production cost are reduced.

The invention discloses an anti-reverse electrode, a preparation method thereof and a membrane electrode, and the preparation method of the anti-reverse electrode comprises the following steps: dispersing titanium oxide in isopropanol to obtain a first mixed solution; mixing the first mixed solution with a Nafion resin solution to obtain a second mixed solution, and performing vacuum drying on the second mixed solution to obtain a Nafion resin-titanium oxide compound; putting the Nafion resin-titanium oxide compound and a platinum-carbon catalyst into a ball-milling tank according to a preset proportion, and carrying out ball-milling treatment to obtain mixed slurry; a preset carrier is coated with the mixed slurry in a blade coating mode, an anti-reverse-pole catalyst layer is formed on the preset carrier, and the anti-reverse-pole electrode is obtained. The Nafion resin-titanium oxide compound is introduced, stable perfluorinated sulfonic acid resin and a pore network are constructed, an efficient transmission path can be provided for protons and gas, the influence of catalyst degradation and structure change on performance is reduced, and the overall efficiency of the battery is improved.

Provided are: colloidal particles of a Ti-containing oxide and a sol thereof which retain a high refractive index and have excellent light resistance; and methods for producing the particles and the sol.　The colloidal particles of a Ti-containing oxide have an equivalent-circle diameter, determined by analyzing a transmission electron photomicrographic image, of 5-50 nm. Throughout the whole colloidal oxide particles, Zn and / or Fe is distributed and Nb and / or Ta is distributed.

The invention relates to the technical field of batteries, in particular to a lithium ion secondary battery. Comprising a positive plate, a negative plate and electrolyte, the charging cut-off voltage of the lithium ion secondary battery is greater than or equal to 4.5 V; the positive plate comprises a positive active coating, the positive active coating comprises a positive active substance and a solid electrolyte, the positive active substance comprises lithium cobalt oxide containing an element Al, and the mass content c1 of the element Al in the positive active coating is 6800ppm-15000ppm; the solid electrolyte comprises at least one of lithium aluminum titanium phosphorus oxide, lithium lanthanum zirconium tantalum oxide and lithium lanthanum titanium oxide; the negative plate comprises a negative active coating, and the negative active coating comprises a silicon carbon material; the mass content c2 of the element Si in the negative electrode active coating is 1.5%-20%; the electrolyte comprises a carboxylic ester compound. The battery provided by the invention has high energy density, excellent cycle stability and low-temperature discharge performance.

Provided is a method for producing hydrogen, whereby hydrogen can be produced by efficiently decomposing ammonia even with low power consumption. A method for producing hydrogen according to the present invention comprises a step for bringing an ammonia decomposition catalyst containing a titanium oxide represented by general formula (1) or a titanium oxynitride represented by general formula (2) into contact with ammonia under low output irradiation of microwaves. ATiO3-x (1) (In general formula (1), A represents at least one element selected from the group consisting of Ba and Sr, and x represents a number represented by 0.1 < = x < = 2.0); aTiO3-xNy (2) (In general formula (2), A is at least one element selected from the group consisting of Ba and Sr, x represents a value represented by 0.1 < = x < = 2.0, and y represents a value represented by 0.1 < = y < = 1.0).

This invention belongs to the field of thermodynamics and phase equilibrium measurement technology of metallurgical slag, and discloses a high-temperature phase equilibrium determination method for vacuum-sealed slag systems containing low-valent titanium oxides. The raw materials are roasted or dried; they are placed in a high-temperature resistant container according to a preset composition ratio, placed inside a quartz tube, and a deoxidizer is added; after vacuum preheating, argon gas washing, and adjustment of the vacuum level inside the tube, the slag is high-temperature sealed to form a thermodynamically closed system; the slag sample is held at the experimental temperature until it reaches thermodynamic equilibrium, and after the holding period, it is rapidly quenched to preserve the high-temperature phase structure; finally, the phase equilibrium is determined through characterization. This invention uses a closed system to effectively isolate external gas interference, and relies on the slag sample's own redox equilibrium to autonomously establish and maintain the ultra-low oxygen potential required for the stable existence of low-valent titanium oxides. This solves the technical problem that traditional atmosphere-controlled oxygen methods cannot meet the phase equilibrium determination of slag systems containing low-valent titanium oxides, and achieves accurate and reliable determination of the phase diagram of slag systems containing low-valent titanium oxides at steelmaking temperatures.

A method for forming a dehydration catalyst may comprise peptizing a catalyst precursor with an acid, a cellulose ether, or both, thereby forming a catalyst precursor sol, wherein the catalyst precursor comprising a tungstated support of tungsten and at least one of zirconium oxides, zirconium hydroxides, or titanium oxides; subjecting the catalyst precursor sol to kneading and extrusion to form one or more catalyst precursor extrudates; calcining the one or more catalyst precursor extrudates to form a calcined catalyst precursor; and cooling the calcined catalyst precursor to form the dehydration catalyst. The catalysts of the examples have platinum or palladium impregnated on a tungstated zirconia support.

The invention discloses an antibacterial material for root canal therapy based on fluorine titanium oxide and a preparation method and application of the antibacterial material, and belongs to the technical field of oral medical materials, and the antibacterial material for root canal therapy is fluorine titanium oxide nanoparticles; the fluorine titanium oxide nanoparticles are fluorine-doped titanium oxide; the fluorine titanium oxide nanoparticles can absorb infrared radiation of a human body and generate surface electromagnetic oscillation, so that a bacterial membrane structure is destroyed through a charge polarization effect. A continuous antibacterial field is excited on the surfaces of the fluorine titanium oxide nanoparticles by utilizing human body infrared radiation, the antibacterial effect of destroying a bacterial membrane by charge polarization is realized, and the method has the advantages of long-acting antibacterial effect, no chemical release, avoidance of cytotoxicity and the like; in addition, when the antibacterial material fluorine titanium oxide nanoparticles are prepared into antibacterial coating liquid, the operation process can be simplified, and the antibacterial coating liquid is suitable for clinical root canal flushing instruments.

To provide an apparatus for simultaneously producing O3 gas and H2 gas, and a method for producing the same, which uses a Ti plate for the (+) electrode without using any platinum-based metal, removes all of the Ti oxide film on its surface, and firmly deposits an inexpensive metal oxide on the surface to eliminate peeling, and uses an inexpensive SUS plate for the (-) electrode. [Solution] Placed in a glass aquarium, In an apparatus for simultaneously producing O3 gas and H2 gas, which generates O3 gas from a (+) electrode and H2 gas from a (-) electrode, respectively, the (+) electrode is an O3 generating electrode having a Ti base material on the surface free of any Ti oxide film such as TiO, TiO2, or Ti2O3, on which a vapor deposition film is formed in which at least one metal oxide of SnO2, ZnO2, CuO2, or NiO2 is present in TiB2, and the (-) electrode is an H2 generating electrode made of martensite SUS such as SUS403 or SUS410, and these O3 generating electrodes and H2 generating electrodes are The aforementioned An apparatus for simultaneously producing O3 gas and H2 gas, characterized in that multiple electrodes are arranged vertically at predetermined intervals in a water tank, the O3 generating electrodes are covered with hoods that guide the O3 generated around the sides upward, and an O3 collection manifold is provided by connecting the tops of each hood to remove the O3 to the outside, and an H2 collection hood is provided above the water tank to collect the H2 that is generated around the H2 generating electrode and rises, and removes it to the outside.

In general, according to one embodiment, a niobium-titanium oxide is provided. The niobium-titanium oxide satisfies Formulae (1) to (3) below in an L*a*b* color space according to Japanese Industrial Standard JIS Z 8722:2009:95.0≤L*≤100  (1)−1.0≤a*≤1.0  (2)−1.0≤b*≤6.0  (3).

The purpose of the present invention is to form a BTO thin film or a BSTO thin film on a substrate that is composed of an amorphous material, the BTO thin film or BSTO thin film exhibiting an excellent electro-optic effect. The present invention relates to a structure which has a substrate that is composed of an amorphous material, a seed layer that is superposed on the substrate, an intermediate layer that is superposed on the seed layer, and a BTO thin film or a BSTO thin film that is superposed on the intermediate layer, wherein the intermediate layer contains, as a main component, a titanium oxide that contains at least one element selected from the group consisting of Pb, Zr, La, Ba, Sr, K, Li, Nb, B, Mg, As, P, and Ge.

The invention relates to the field of battery materials, in particular to a method for depositing ZnTi alloy on the surface of a lithium metal battery negative electrode. The method comprises the steps that 1, a substrate suitable for the lithium metal negative electrode is selected, cleaned and dried; (2) weighing Zn oxide powder and Ti oxide powder in proportion, uniformly mixing, and melting in vacuum to obtain a mixed melt; (3) quickly putting a substrate into the mixed melt by using a manipulator, repeatedly dip-coating, forming a plurality of layers of films on the surface of the substrate, taking out, and naturally cooling; and 4) reducing the Zn and Ti oxides on the dip-coated substrate into an alloy of Zn and Ti, carrying out acid pickling, cleaning and heat treatment, and cooling to normal temperature. According to the invention, a layer of uniform and compact film is formed on the surface of the lithium metal negative electrode after reduction by dip-coating the mixed melt of the molten Zn oxide and Ti oxide, so that the growth of lithium dendrites is effectively inhibited, the cycle life of the battery is prolonged, and the safety performance of the battery is improved; the ZnTi alloy can also improve the coulombic efficiency and the charge-discharge performance of the lithium metal negative electrode.

This invention discloses a method for preparing and applying a fullerene-modified iridium-based composite coated titanium electrode, belonging to the field of titanium electrode preparation technology. The preparation method includes: pretreating the surface of a titanium substrate; completely dissolving an iridium source in an organic solvent, then adding a tantalum source and a titanium source and dissolving them completely; ultrasonically dispersing a fullerene in an organic solvent and adding it to the above solution, stirring until homogeneous to obtain an active liquid of fullerene-modified iridium-tantalum titanium oxide; brushing the prepared active liquid onto the pretreated titanium substrate surface, drying and sintering, then removing and cooling to room temperature; repeating the brushing, drying, and sintering process until all the active liquid is applied. This invention introduces fullerene, a zero-dimensional carbon material with excellent conductivity and corrosion resistance, to construct a highly efficient three-dimensional conductive network, improving catalytic reaction efficiency and the physical and chemical stability of the electrode under strong acid and strong oxidation conditions, thus significantly extending the electrode's lifespan.

To provide a steel sheet for hot stamping suitable for manufacturing, through hot-stamping working, a component having portions with different strengths, and a hot-stamped member having portions with different strengths. A steel sheet for hot stamping according to the present invention includes, on a surface of the steel sheet: a site having a surface-treated film whose emissivity at a wavelength of 8.0 μm at 25° C. is 60% or more; and a site at which the surface-treated film is not provided, in which the surface-treated film contains carbon black, and one or more of oxides selected from a group consisting of a Zr oxide, a Zn oxide, and a Ti oxide, in which the carbon black and the oxides exist while being dispersed over the entire surface-treated film, the surface-treated film has a silica content of 0 to 0.3 g / m2, and when an adhesion amount of the carbon black and an adhesion amount of the oxides are set to XCB (g / m2) and XOxide (g / m2), respectively, an equation (1) below is satisfied.

A cathode active material for a lithium secondary battery includes a lithium-aluminum-titanium oxide formed on a surface of a lithium metal oxide particle having a specific formula. The cathode active material may have an improved structural stability even in a high temperature condition.

A steel sheet for hot stamping that further improves productivity of a hot-stamped member, has excellent appearance and has excellent spot weldability, and a hot-stamped member. The steel sheet for hot stamping includes, on the whole of at least one surface of the steel sheet, a surface-treated film whose emissivity at a wavelength of 8.0 μm at 25° C. is 60% or more, in which the surface-treated film contains carbon black, and one or more of oxides selected from a Zr oxide, a Zn oxide, and a Ti oxide, in which the carbon black and the oxides exist while being dispersed over the entire surface-treated film, the surface-treated film has a silica content of 0 to 0.3 g / m2, and when an adhesion amount of the carbon black and an adhesion amount of the oxides are set to XCB (g / m2) and XOxide (g / m2), respectively, an equation (1) is satisfied.

The application belongs to the field of sealing materials, and discloses a high-pressure-resistant hydrogen embrittlement-resistant metal-rubber composite sealing material and a preparation method thereof. The high-pressure-resistant hydrogen embrittlement-resistant metal-rubber composite sealing material comprises, from bottom to top, a titanium alloy base material, a titanium oxide layer generated in situ on the surface of the titanium alloy base material, and a rubber layer bonded to the surface of the titanium oxide layer through hot pressing treatment. The application also discloses a preparation method of the high-pressure-resistant hydrogen embrittlement-resistant metal-rubber composite sealing material. By constructing a hydrogen-inhibiting oxidation layer and combining surface roughening, laser irradiation treatment and hot pressing treatment, a metal-rubber composite sealing material that can maintain stable deformation and is resistant to hydrogen embrittlement in a high-pressure environment is obtained. After the high-pressure-resistant hydrogen embrittlement-resistant metal-rubber sealing material is kept in a 100MPa high-pressure hydrogen environment for 1000 hours, the tensile strength retention rate is greater than or equal to 88%, the elongation retention rate after breaking is greater than or equal to 80%, and the deformation amount is less than or equal to 0.5%.

The invention relates to a titanium-platinum-ruthenium-tantalum metal oxide composite material and a preparation method and application thereof.The titanium-platinum-ruthenium-tantalum metal oxide composite material comprises a titanium substrate and a metal oxide coating attached to the surface of the titanium substrate, and the metal oxide coating comprises a titanium oxide, a platinum oxide, a ruthenium oxide and a tantalum oxide; the titanium-platinum-ruthenium-tantalum metal oxide composite material is abbreviated as a TiPtRuTaOx composite material, and the value range of x is 2-3. The TiPtRuTaOx high-catalytic-activity electrode is prepared by regulating and controlling the proportion of Ti, Pt, Ru and Ta in the alloy, adjusting the charge structure on the surface of a matrix and improving the electrochemical active surface, the catalytic activity of an anode material in the water electrolysis process can be improved, the electrolysis energy consumption can be reduced, the degradation energy consumption of an electrochemical oxidation technology in high-chlorine-content organic wastewater can be reduced, and the application prospect is wide. Meanwhile, the production cost of the anode electrode is reduced.

The present disclosure pertains to a method for producing a fluoride, comprising a step for firing a mixture containing a titanium oxide, an aluminum oxide, a starting material fluoride having a composition different from that of the fluoride to be produced, and a lithium-containing compound in an inert gas atmosphere. The titanium oxide contains TiO2. The aluminum oxide contains Al2O3. The raw material fluoride contains NH4F. The lithium-containing compound contains at least one compound selected from the group consisting of lithium fluoride, lithium carbonate, and lithium nitrate.