52results about "Titanium oxides/hydroxides" patented technology

The present invention is in the field of materials engineering and nanotechnology. More specifically, the present invention discloses: a functional premix comprising nanoparticles and a carrier or compatibilizer; a method of obtaining the premix; a method of altering the properties of a material; and a modified material formed with improved properties. Unexpectedly, the premix of the present invention can be used to alter the properties of different kinds of materials, such as polymers, metals, ceramic materials, and / or composites of different materials. The premix of the present invention has numerous advantages in terms of transportation, use, and incorporation of nanoparticles into different materials. In one embodiment, the present invention provides significant modification of the properties of polymers and, in fact, breaks the existing concepts in this technical field. In another embodiment, the present invention provides advantages in altering the properties of metals and / or ceramic materials.

The invention discloses nanoscale Ti2O3, a preparation method and application of the nanoscale Ti2O3 as a catalyst carrier, and belongs to the technical field of nano material preparation. According to the invention, a solid-phase synthesis method is utilized, nano titanium powder and nano titanium dioxide are used as raw materials, and the nano-scale Ti2O3 brownish black powder with uniform particle size distribution is controllably synthesized. Meanwhile, a series of noble metal supported catalysts are synthesized by taking the catalyst as a catalyst carrier. According to the invention, rapid synthesis of nanoscale Ti2O3 is realized, and the particle size of the prepared sample is uniform and is about 300nm. The preparation method has the characteristics of high efficiency, rapidness, low equipment requirement, simplicity, easiness in repetition, high product purity and capability of realizing large-scale synthesis. Meanwhile, the prepared nanoscale Ti2O3 is small in size and uniform, so that a catalyst prepared by taking the nanoscale Ti2O3 as a carrier has relatively good dispersity, shows excellent electrocatalytic activity, can be prepared into catalyst slurry with relatively high uniformity, and is suitable for the fields of electrochemical catalysis and energy conversion.

The invention relates to active electrode materials and to methods for the manufacture of active electrode materials. Such materials are of interest as active electrode materials in lithium-ion or sodium-ion batteries. The invention provides an active electrode material expressed by the general formula M1aM22-aM3bNb34-bO87-c-dQd.

The present invention provides a method for producing fine particles with controlled particle size distribution, and an apparatus for producing fine particles. [Solution] The method for producing fine particles comprises a droplet formation step in which metal oxide powder with a particle size of 500 nm or less, as measured by the BET method, and a carbon source are supplied to a space with a temperature atmosphere above the reduction start temperature of the metal oxide powder but below the boiling point, thereby forming droplets of the metal oxide powder; a reduction step in which the metal oxide droplets formed by the droplet formation step are reduced by the carbon source; and a particle formation step in which the reduced metal oxide droplets are atomized.

To provide coating enabling formation of a coated film which has high light resistance, high transparency and uniform thickness even including titanic oxide.SOLUTION: Coating liquid of the invention includes: first surface processing particles in which first organic silicon compounds are coupled to surfaces of particles including titanic oxide; second organic silicon compound; a binder component; and organic solvent. The titanic oxide has rutile type crystal structure, and 3 to 10 mass% of first silicon compound SiX4 in terms of SiO2 is coupled to particle surfaces including titanic oxide. The second silicon compound R-(CH2)nSiX3 or a hydrolysate thereof is included in an amount of 0.3 to 2.0 in a molar ratio (second organic silicon compound / first organic silicon compound) to the first silicon compound, and in solid, silicon derived from the first and second silicon compounds is included in an amount of 2 to 20 mass% in terms of SiO2. (X is at least one selected from an alkoxy group, hydroxy group, and halogen, R is an acrylic group and methacrylic group, n is an integer from 1 to 8.) The organic solvent is a mixed solvent including; a low boiling point organic solvent S1 having a boiling point less than 95°C; and a high boiling point organic solvent S2 having a boiling point higher than or equal to 95°C, a mass ratio of them (MS1 / MS2) is 85 / 15 to 50 / 50. In addition, a mass ratio (MF / MB) between an inorganic oxide component (F) and a binder component (B) included in the first surface processing particles and in the second organic compound, is 45 / 55 to 95 / 5.SELECTED DRAWING: None

The utility model relates to the field of gas inlet devices of tube furnaces, in particular to a distributed gas inlet device for a tube furnace. Comprising a furnace tube system, the furnace tube system comprises a furnace tube body, flanges are fixedly connected to the two ends of the furnace tube body, a heat insulation furnace plug is arranged in the furnace tube body, a distributed air inlet device is arranged in the heat insulation furnace plug, the distributed air inlet device comprises an air inlet pipe, and the air inlet pipe is installed in the heat insulation furnace plug. A flow guide base disc is installed at the end, close to the furnace tube body, of the air inlet pipe, a distributed air inlet disc is installed on the arc face of the flow guide base disc, a transmission shaft is installed in the distributed air inlet disc, a plurality of flow guide rotary pieces are installed on the arc face of the transmission shaft, and a connecting ring is installed on the arc face of the transmission shaft. The distributed air inlet device for the tubular furnace has the advantages that the uniformity and the stability of air inlet of the tubular furnace are improved, and the process effect and the product quality are improved.

A method is provided for inputting thermal energy into a fluid medium in a manufacturing method using at least one rotating device, comprising a casing having at least one inlet and at least one outlet, a rotor having at least one row of rotor blades arranged around a rotor hub attached to a rotor shaft, and a stator configured as an assembly of fixed vanes positioned at least upstream of the at least one row of rotor blades. The method imparts an amount of thermal energy to the flow of the fluid medium guided along a channel created inside the casing between the inlet and the outlet by a series of energy conversions that occur as the flow of the fluid medium passes through the fixed vanes and at least one row of rotor blades, respectively. The method comprises incorporating the at least one rotating device into a manufacturing facility configured to perform a material manufacturing method, such as producing titanium oxide, mineral wool, gypsum, wood pulp and paper, cathodes and anodes, or rapidly dried chemicals at a temperature essentially of about 500°C or above, and conducting an input amount of energy to the at least one rotating device incorporated into the heat consumption method facility, wherein the input energy includes electrical energy. Further provides rotating devices and related uses.

The present invention relates to a mixed oxide of titanium, niobium, and lanthanum of formula (I): LiwTi1-xLaxNb2-yM1yO7-zM2z (I) in which: 0.03 ≤ x ≤ 0.08; M1 and M2 are at least one element selected from the group consisting of V, Ta, Fe, Co, Ti, Bi, Sb, As, P, Cr, Mo, W, B, Na, Mg, Ca, Ba, Pb, Al, Zr, Si, Sr, K, Cs, and Sn; 0 ≤ w ≤ 5, 0 ≤ y < 2, and 0 ≤ z ≤ 0.3. Figure for abbreviation: [Fig. 8]

The invention relates to active electrode materials and to methods for the manufacture of active electrode materials. Such materials are of interest as active electrode materials in lithium-ion or sodium-ion batteries. The invention provides an active electrode material expressed by the general formula M1aM21-aM3bNb49-bO124-c-dQd.

The application discloses a titanium oxide / titanium carbide accordion-shaped composite structure and a preparation method and application thereof, and belongs to the technical field of material chemistry. The preparation method takes commercial titanium aluminum carbon (Ti3AlC2) as a raw material, obtains titanium carbide (MXene) as a precursor by using a traditional hydrofluoric acid etching method, and takes high-temperature water vapor as a surface control agent (etching agent). By controlling conditions such as the temperature and reaction time of the water vapor, an in-situ grown titanium oxide / titanium carbide accordion-shaped heterostructure material is obtained. Compared with a traditional MXene surface control method, the method is relatively environmentally friendly and clean, the reaction is simple and controllable, the operation is safe and non-toxic, the requirement for equipment is not high, and the method is expected to realize industrialization. The accordion-shaped titanium oxide / titanium carbide composite structure can be obtained by the preparation method, and has a better application prospect in secondary battery energy storage.

Provided are: a calcium-titanium composite oxide powder suitable as a filler of a resin composition; a method for producing same; and a resin composition filled with said powder, wherein the powder does not impair the fluidity of a resin when added to the resin composition and does not increase the brightness of the resin. The powder is composed of a calcium-titanium composite oxide, wherein the crystallite diameter at a crystal peak of CaTiO3 appearing at a diffraction angle 2θ in the range of 22.00-24.00° in X-ray diffraction is 60.0-98.0 nm, and the circularity of particles in the powder is 0.88 or more, the D50 diameter is 2.0-15.0 μm, and the L* value is 88.0 or less, as determined from a scanning electron microscope image. The powder can be produced by a method comprising the steps of: subjecting a titanium source to spray drying; mixing a calcium source and a spray-dried product of the titanium source; and firing the mixture at 1000-1800°C.

The present application relates to an anode material, and an electrochemical device and an electronic device including the anode material. The anode material includes a silicon composite substrate. In the X-ray diffraction pattern of the anode material, the highest intensity at 2θ within the range of 28.0° to 29.0° is I2, and the highest intensity at 20 within the range of 20.5° to 21.5° is I1, wherein 0<I2 / I1≤1. The anode material of the present application has good cycle performance, and the battery prepared with the anode material has better rate performance and a lower swelling rate.

A negative electrode material for secondary batteries includes a composite material. The composite material contains an active phase that is reactive with Li, and an amorphous material phase. The active phase is dispersed in the amorphous material phase, and has a particle diameter of 10 nm or less. The amorphous material phase contains elements A, O, and C, and the element A is at least one selected from the group consisting of Si, Sn, Ti, Al, and Mg.

To provide an anti-algal agent that exhibits higher anti-algal properties than conventional agents, is highly transparent, and does not impair the aesthetic appearance when applied to building exterior materials, for example. [Solution] An algal agent comprising 1) titanium oxide particles in which copper is solid-dissolved, and 2) molybdenum element or a molybdenum compound and / or tungsten element or a tungsten compound, and further comprising titanium oxide particles in which copper is not solid-dissolved; A method for preventing algae on the surface of a member, comprising the steps of applying the algae-preventing agent to the surface of the member and drying the surface of the member.

This invention discloses a precursor for a cathode material used in solid-state batteries, its preparation method, and the cathode material itself. The precursor has the chemical formula aNi. x Co y Mn z M k (OH)2@bLi3PO4·cTiO(OH)2·dAl(OH)3, satisfying specific component ratios and physicochemical parameters; preparation employs a stepwise co-precipitation method, sequentially and quantitatively coating Li3PO4, TiO(OH)2, and Al(OH)3 to achieve atomically uniform doping and coating. The cathode material is prepared by a two-step sintering of the precursor and lithium source, with the chemical formula aLiNi. x Co y Mn z M k O2@b / 3Li 1.3 Al 0.3 Ti 1.7 (PO4)3 exhibits a specific peak intensity ratio across its crystal planes. This invention can prevent the formation of impurity phases, mitigate aluminum loss, suppress structural collapse, construct efficient lithium-ion transport channels, improve interface compatibility, reduce impedance, enhance the cycle stability of solid-state batteries, and adapt to large-scale production.

A material comprising zirconium-doped lithium titanate, wherein the zirconium-doped lithium titanate contains zirconium in a concentration of 0.1-5 mol percent based on the sum of titanium and zirconium.

The invention relates to an ordered porous carbon material as well as a preparation method and application thereof. The preparation method is a one-step synthesis method and comprises the following steps: uniformly mixing a titanium source and a resin raw material in proportion, and drying to obtain a mixed raw material; the titanium source comprises at least one of lithium titanate, titanium tetrachloride and tetraethyl titanate; the resin raw material comprises at least one of melamine resin, nitrogenous phenolic resin and nitrogenous furan resin; heating the mixed raw material to 800-1300 DEG C in an inert gas atmosphere, carrying out heat preservation for a certain time, and carrying out carbonization treatment to form a carbon material with an oxidation state and a titanium nitride modified ordered porous structure, namely the titanium oxide and titanium nitride modified ordered porous carbon material; an O-T -C-N-T heteroatom covalent network structure formed after carbonization treatment is formed at an interface layer of the titanium oxide and titanium nitride modified ordered porous carbon material. According to the method, by controlling the carbonization temperature and the ratio of the titanium source to the resin raw material, the order degree of the porous carbon can be improved, and the lithium storage and conductivity of the porous carbon can be improved.

To provide an oxide particle that has controlled color characteristics and can be stably supplied with a low energy and a low resource consumption, and a method for producing the oxide particle.SOLUTION: Provided is a silicon compound-coated oxide particle in which at least part of a surface of an oxide particle thereof is coated with a silicon compound. An oxide which constitutes the oxide particle is an iron oxide. The silicon compound can change color characteristics of the oxide particle by coating at least part of the surface of the oxide particle. A M-OH bond / M-O bond ratio of the oxide particle is 1% or more and 30% or less. An average reflectance of the oxide particle to a light beam in the wavelength of 780 nm to 2,500 nm is 50% or more.SELECTED DRAWING: Figure 1

To provide surface-treated inorganic particles containing catechins, which can suppress discoloration for a long period of time without loss of antioxidant capacity of catechins, and a manufacturing method thereof.SOLUTION: Surface-treated inorganic particles, comprising inorganic particles and metal-organic structures bonded to the surface of the inorganic particles, wherein polyphenols form the skeleton of the metal-organic structure.SELECTED DRAWING: Figure 1

The invention discloses a process for harmlessly enriching aluminum in bauxite, decomposing and separating silicon and extracting valuable elements by using red mud and alkali liquor, and relates to the technical field of bauxite. According to the technology, bauxite is subjected to grading treatment, fine particles are subjected to mud washing and sieving and then are subjected to flotation separation with red mud, alkali liquor and an ammonium chloride saturated solution under microbubble, ultrasonic and hydrogen ion cation membrane electrodialysis, mixed slurry obtained through flotation is subjected to spray drying, magnetic separation and ammonium sulfate leaching, and iron oxide, titanium oxide and aluminum oxide are obtained respectively; and after grinding and reselecting the coarse particles, separating silicon oxide, iron oxide, aluminum oxide and titanium oxide. According to the method, aluminum and silicon valuable elements in the bauxite are harmlessly decomposed and separated through the red mud and the alkali liquor, the recovery rate is high, full-closed-loop circulation of resources such as acid, alkali and water can be achieved, no three wastes are discharged, the red mud is recycled, the process is mild and low in consumption, the method is suitable for industrial clean production, and many technical defects of a traditional process are overcome.

Provided are: a calcium-titanium composite oxide which is suitable as a filler for a resin composition, is capable of suppressing an increase in viscosity when added to a resin, and which has a small elution amount of an electrolyte; and a method for producing the calcium-titanium composite oxide. A powder containing calcium-titanium composite oxide particles, the calcium-titanium composite oxide particles having an average primary particle diameter of more than 500 nm and 2000 nm or less and a circularity of 0.75 or more. The oil absorption of cooked linseed oil of the powder is not more than 20.0 g / 100g, the sodium and chlorine contents per 1.0 kg of the powder are not more than 3000 mg and not more than 280 mg, respectively, and the dissolution amounts of sodium, chlorine and calcium per 1.0 kg of the powder measured by a method described in an embodiment are not more than 120 mg, not more than 20 mg and not more than 420 mg, respectively. The powder can be produced by a method comprising a step of wet-mixing a titanium source, a calcium source, and a base, heating the mixture to 85-100 DEG C under atmospheric pressure, and firing the resulting reactant at 1000 DEG C or higher and performing acid treatment.

A composite cathode active material, a preparation method thereof, a cathode layer for an all-solid-state battery, and an all-solid-state battery including the cathode layer, the composite cathode active material for the all-solid-state battery including a secondary particle including a plurality of primary particles; and a buffer layer on a surface of the secondary particle, wherein the secondary particle includes a nickel lithium transition metal oxide represented by Formula 1, and the buffer layer includes a metal oxide represented by Formula 2,LiaNi1-bMbO2  Formula 1LixAy-1Ey2Oz.  Formula 2

To provide a good water dispersion of metal oxide in cosmetics.SOLUTION: A semiconductor or an alloy having silicon as a principal component is placed as an electrode in water, and plasma treatment is applied to a dispersion of metal oxide. In this treatment, silica can be coated on the metal oxide by a simple method. Thereby, a zeta potential of a surface of the metal oxide specifically decreases in a neutral pH range, and a uniform water dispersion without sedimentation or flotation of the metal oxide or a water dispersion which can be easily re-dispersed even with sedimentation, can be obtained by a dispersion effect due to electrostatic repulsive force.SELECTED DRAWING: Figure 1

The invention relates to the technical field of catalysts, in particular to a chiral-metal defect coupling catalyst, a preparation method and application thereof and a preparation method of fuel. The chiral structure and the metal defect structure are coupled and synergistically constructed in the same metal oxide catalyst, so that the chiral-metal defect coupled catalyst has the advantages of the chiral structure and the metal defect structure, and shows excellent catalytic performance in photocatalytic reaction. Wherein the metal defect structure can regulate and control the energy band structure of the metal oxide, improve the visible light absorption capacity, promote the electron-hole separation efficiency and improve the spin photocatalytic reaction activity. A chiral spinning structure can generate a CISS effect, electron-hole recombination is further inhibited, the service life of a carrier is prolonged, a spinning triplet-state reaction intermediate is formed through a spinning filtering effect in a photocatalytic synthesis fuel reaction so as to improve the reaction rate, the fuel substrate conversion rate and the fuel selectivity, and the chiral spinning structure is especially suitable for photocatalytic synthesis of high-density fuel and has a wide application prospect. And the prepared fuel meets the requirements of aerospace.

To provide a method for cutting a nanosheet along the crystallographic axis orientation, and a nanosheet obtained thereby.SOLUTION: A method for cutting a nanosheet along the crystallographic axis orientation includes preparing a nanosheet dispersion liquid having nanosheets dispersed in an organic solvent, preparing a substrate having an uneven structure, and forming, on the substrate, a nanosheet monolayer film composed of nanosheets, using the nanosheet dispersion liquid. The nanosheet and the substrate satisfy a predetermined relationship.SELECTED DRAWING: Figure 1

To provide a method for producing calcium phosphate-coated titanium dioxide that does not require a washing step to remove salt. [Solution] A method for producing calcium phosphate (preferably hydroxyapatite) coated titanium dioxide, comprising the steps of: heating a calcium-containing solution (hereinafter referred to as "solution A"); dispersing titanium dioxide, preferably titanium dioxide having photocatalytic activity, in the heated solution A; and adding a phosphoric acid-containing solution (hereinafter referred to as "solution B") to the solution A in which the titanium dioxide is dispersed, wherein the amount of calcium ions, sodium ions, potassium ions, and chloride ions contained in the reaction solution containing solutions A and B is 10 to 50 mmol, per 1 mol of titanium dioxide used is 10 to 1000 mmol, per 1 mol of titanium dioxide used is 10 to 1000 mmol.

The application relates to the technical field of inorganic material purification, and discloses a purification process method for reducing the iron content in titanium suboxide, which comprises the following steps: mixing, stirring and forming a stable suspension of crude titanium suboxide powder, deionized water and a hydrogen type polystyrene sulfonic acid aqueous solution; adding hydrogen peroxide aqueous solution into the stable suspension drop by drop; increasing the temperature to 40-60 DEG C, adding a multi-dentate organic acid aqueous solution into the stable suspension drop by drop, and carrying out constant-temperature leaching reaction; putting solid ash-free salt into the stable suspension to obtain a leaching mixture; carrying out solid-liquid separation on the leaching mixture to obtain a centrifugal filter cake; using deionized water to carry out displacement type top washing on the centrifugal filter cake; and carrying out constant-temperature roasting and drying on the centrifugal filter cake in a protective atmosphere to obtain high-purity titanium suboxide material. The application can remove combined state iron impurities in the titanium suboxide, solves the problem of difficult solid-liquid separation of fine powder, and does not produce solid-phase inorganic ash residue.

The invention discloses a metal oxide nano material, a surface modification method thereof and an array type gas sensor. The surface modification method comprises the following steps: quickly immersing a metal oxide nano material subjected to high-temperature heating treatment into a low-temperature transition metal salt solution for quenching treatment; crystal lattices on the surface or near the surface of the quenched metal oxide nano material are subjected to unbalanced reconstruction, and transition metal ions and crystal lattice defects of the transition metal salt solution are introduced. According to the present invention, by using the instantaneous temperature difference and the ion exchange reaction, the lattice reconstruction and the high-density defect introduction on the surface of the metal oxide nanometer material are achieved within the second-level time, such that the gas sensitive property of the material is significantly improved, the detection limit is as low as 2.7 ppb, and the response time is substantially shortened.

The present invention provides titanium oxide powder, titanium oxide dispersion, and a method for producing a titanium oxide film, all of which exhibit particularly excellent conductivity. [Solution] The color of the powder is L * a * b * In the color space, L * If the range is between 50 and 85, a * If the value is within the range of -5.00 or more and -1.95 or less, b * The present invention is characterized by having a pH within the range of -20 to -5. The present invention is characterized by comprising a coating step of coating a titanium oxide dispersion in which the titanium oxide powder of the present invention is dispersed in a dispersion medium. It is preferable that the titanium oxide is co-doped with a pentavalent metal and a trivalent metal. It is preferable that the pentavalent metal is niobium. It is preferable that the trivalent metal is a metallic element of the third period of the periodic table.