460 results about "Inorganic oxide" patented technology

A core-shell particle having an organic polymer core which is completely covered by a first inorganic oxide shell, wherein the first inorganic oxide shell has a silica (SiO2), an alumina (Al2O3), or a titania (TiO2); wherein the first inorganic oxide shell has a layer of a magnetic material which is disposed directly on the polymer core; further having a mesoporous second inorganic oxide shell, wherein the mesoporous second inorganic oxide shell covers the first inorganic oxide shell; wherein the mesoporous second inorganic oxide shell has silica (SiO2), alumina (Al2O3), or a titania (TiO2).

The invention provides a solid electrolyte modified positive electrode material and a preparation method and application thereof, and the preparation method comprises the following steps: a) dissolving an inorganic oxide electrolyte intermediate product in a mixed solution of water and an organic matter containing functional groups, adjusting the pH value to 2-9, adding lithium fluoride, stirring, and then evaporating and drying to obtain a first gel product; b) performing puffing treatment on the first-time gel product obtained in the step a), adding the first-time gel product and a ternary positive electrode material into a solvent, performing ultrasonic dispersion, stirring, and performing evaporation drying to obtain a second-time gel product; and c) sintering the second gel product obtained in the step b) in an oxygen-free environment to obtain the solid electrolyte modified positive electrode material. According to the invention, through cooperation of liquid-phase coating and high-temperature solid-phase diffusion treatment, a sintered stone structure with high ionic conductivity and high stability is introduced to the surface of the ternary material, and the problem of cyclic cracking of the ternary positive electrode material can be effectively solved.

A separator for a lithium battery having (a) a porous polymeric layer, such as a polyethylene layer; and (b) a nanoporous inorganic particle / polymer layer on both sides of the polymeric layer, the nanoporous layer having an inorganic oxide and one or more polymers; the volume fraction of the polymers in the nanoporous layer is about 15% to about 50%, and the crystallite size of the inorganic oxide is 5 nm to 90 nm.

The invention discloses a lignin-inorganic oxide composite binder, preparation thereof and application of the lignin-inorganic oxide composite binder in a hard carbon negative electrode. The preparation method comprises the following steps: firstly, carrying out quaternization modification on lignosulfonate to obtain quaternized lignosulfonate, and then utilizing the action of quaternary ammonium and sulfonate of the quaternized lignosulfonate, hydroxyl and inorganic oxyacid radicals of inorganic nano oxide and carboxyl and hydroxyl of sodium carboxymethyl cellulose to prepare the modified lignosulfonate. The lignin-inorganic oxide composite binder with the interpenetrating network structure is formed. According to the binder, sodium carboxymethyl cellulose serves as a hard phase to enhance the mechanical rigidity, quaternized lignosulfonate rich in flexible long chains serves as a soft phase to bear part of loads, and inorganic nano oxide rich in hydroxyl serves as a crosslinking point or physical filler to enhance the structural stability of the binder. Besides, a multi-network structure formed by hydrogen bond crosslinking not only endows the binder with an excellent ion transmission rate, but also helps to enhance the interfacial compatibility of the binder with an ester electrolyte, thereby significantly improving the rate capability and cycle performance of the hard carbon negative electrode.

The invention discloses a negative plate and a lithium ion secondary battery. The negative plate comprises a negative active layer, the negative active layer comprises a negative active material and an inorganic oxide solid electrolyte, the negative active material comprises graphite and silicon carbon, and by taking the mass of the negative active layer as a reference, the silicon element content A is more than or equal to 1% and less than or equal to 10%; the content B of a first characteristic element in the inorganic oxide solid electrolyte is greater than or equal to 0.1% and less than or equal to 0.5%, the first characteristic element comprises at least two of Al, Ti, La, Zr and Ta, and the particle size D1 of the inorganic oxide solid electrolyte is 0.5-3 [mu] m. By adding a proper amount of inorganic oxide solid electrolyte with a specific particle size, lithium ions are conducted along the inorganic oxide solid electrolyte under a low-temperature condition, a conduction path of partial electrolyte is replaced, and the defect of poor low-temperature discharge performance of the battery is improved.

A powder for additive manufacturing which is an inorganic oxide powder, wherein D10 is 1.0 to 4.0 μm, D50 is 5.5 to 9.0 μm, D90 is 20.0 to 40.0 μm, and the volume ratio of particles having a particle size of 16.8 to 60.0 μm is 15.0 to 22.0 vol %.

The present application belongs to the technical field of ceramic alloy flywheel, and particularly relates to a liquid-liquid composite ceramic inlaid high-wear-resistance flywheel and a preparation method thereof, which is suitable for high-strength impact environment such as mines and metallurgy. The flywheel realizes metallurgical bonding of ceramic-metal by step-by-step pouring and temperature control solidification of basalt melt and high-density W-Ni-Fe alloy melt in a specific mold structure. The ceramic core is composed of multiple inorganic oxides and low-melting-point glass powder, and has excellent interface compatibility and structural stability. During the preparation process, the initial setting state of basalt and the alloy flow path are accurately controlled to improve the interface bonding strength and overall density. The finally obtained flywheel has high hardness, high toughness and excellent wear resistance, and significantly prolongs the service life.

A separator for a lithium battery having (a) a porous polymeric layer, such as a polyethylene layer; and (b) a nanoporous inorganic particle / polymer layer on both sides of the polymeric layer, the nanoporous layer having an inorganic oxide and one or more polymers; the volume fraction of the polymers in the nanoporous layer is about 15% to about 50%, and the crystallite size of the inorganic oxide is 5 nm to 90 nm.

The invention discloses a catalytic method for converting alpha-olefin in an alkane-olefin mixture into internal olefin and application, raw materials and a solid acid catalyst are carried out in a fixed bed or a reaction kettle, the reaction temperature is 50-150 DEG C, the reaction pressure is 15-400 psi, and the reaction environment is an inert gas atmosphere; when the reaction is carried out on the fixed bed, the mass space velocity of the solid acid catalyst is 1h <-1 >-20h <-1 >; when the reaction is carried out in the reaction kettle, the conversion frequency of the raw materials is 5000 mol substrate mol acid site density <-1 > h <-1 > to 50000 mol substrate mol acid site density <-1 > h <-1 >; wherein the raw material is an alkane-alkene mixture; the solid acid catalyst comprises an active component and a carrier, wherein the carrier contains at least one inorganic oxide; the active component has a structure as shown in a formula (1) and / or a formula (2), in the formula (1) and the formula (2), R is alkyl or phenyl, and n is greater than or equal to 1. According to the catalysis method provided by the invention, the conversion rate of alpha-olefin can be increased, and the proportion of skeleton isomerization products and oligomers in internal olefin products can be reduced.

The invention relates to the technical field of batteries, in particular to a positive plate and a battery, the positive plate comprises a positive current collector, a functional layer located on the surface of the positive current collector and a positive active material layer located on the surface of the functional layer; the functional layer comprises first lithium conducting particles, and the first lithium conducting particles comprise inorganic oxide particles and solid electrolyte materials coating the surfaces of the inorganic oxide particles; n positive active material particles are arranged on any cross section, perpendicular to the plane of the positive current collector, in the positive active material layer along the thickness direction of the positive current collector; the thickness of the functional layer is Dg, and the unit is mu m; n and Dg satisfy the relational expression: 0.6 < = N / Dg < = 40. By arranging the functional layer containing the first lithium conducting particles, a continuous transverse lithium conducting passage can be formed at the bottom of the active material layer by means of the solid electrolyte coating material of the first lithium conducting particles, the problem of lithium concentration balance among the active material particles at the bottom layer of the positive electrode is effectively solved, and the low-temperature performance of the lithium battery is improved.

The invention relates to an environment-friendly polypropylene composite material applied to a direct-current cable and a preparation method of the environment-friendly polypropylene composite material. The material comprises atactic polypropylene, a styrene-ethylene-butylene-styrene block copolymer (SEBS), a grafted nano inorganic oxide and an antioxidant. The preparation method comprises the following steps: grafting an elastomer styrene-butadiene-styrene copolymer (SBS) to a nano inorganic oxide through a ball-milling mechanochemical method, and blending the nano inorganic oxide with a polypropylene random copolymer and SEBS to prepare the PP composite material applied to the direct-current cable material. The PP composite material is characterized in that the PP composite material with better low-temperature toughness, higher direct-current breakdown strength and higher flashover voltage is prepared by using an environment-friendly and efficient modification method, and the requirements of direct-current cable application scenes are better met.

A method of making a ceramic honeycomb wall-flow filter substrate supporting an on-wall coating, a fragment of which on-wall coated filter substrate analysed by mercury porosimetry has a volume of pores of 005 to 0.5 µm diameter as a percentage of a mercury intrusion volume of the fragment of at least 15.0%, comprises the steps of: (i) preparing a slurry comprising water, a carboxylic acid, inorganic oxide particles or a mixture of two or more inorganic oxide particles having a D(v, 0.9) of 8 to 20 µm; and 10 to 35 % by weight relative to 100% weight of the inorganic oxide particles of a particulate insoluble cellulose pore former of non-uniform morphology and having an equivalent spherical diameter D(v, 0.5) of 0.5 to 14 µm and a modal aspect ratio (width / length) of 0.3 to 0.9; (ii) coating the slurry on at least first channels of the substrate, wherein the substrate has a mean pore size (D50) of 6 to 15 µm prior to any coating and a porosity less than 60% prior to any coating; and (iii) drying and calcining the slurry-coated substrate, whereby sufficient slurry is coated on the substrate so that the product of step (iii) has a coating loading of 0.07 to 0.4 g / in3 (4.3 to 24.4 g / L), relative to a substrate weight prior to step (ii) and wherein a mean average on- wall coating thickness of the coated substrate is 5 to 70 µm.

The invention provides an infrared detector deep mesa etching process based on three layers of masks and an infrared detector, and belongs to the field of infrared detector mesa etching. The process comprises the following steps: spin-coating a stress buffer layer on the surface of a superlattice epitaxial layer, and curing and forming; depositing a hard mask serving as an etching barrier layer; depositing an inorganic oxide; spin-coating photoresist to form a composite patterned top layer, and then forming a mesa pattern through a photoetching process; taking the mesa pattern as a mask, and transferring the mesa pattern to the hard mask through reactive ion etching; etching the stress buffer layer by adopting plasma until the surface of the superlattice epitaxial layer is exposed; the three layers of masks are used as blocking, deep etching is carried out through inductively coupled plasma, and the etching depth is 5.6-6 microns; a post-processing step; according to the process provided by the invention, high-quality and high-aspect-ratio mesa etching can be realized on the premise of not introducing extra pollution and remarkably increasing the cost, and the process is suitable for preparing a deep-mesa and high-aspect-ratio device.

A nanomaterial structure is provided and includes a nanomaterial; and a nanomaterial cross-linking part including an inorganic oxide, wherein the nanomaterial is cross-linked with the nanomaterial cross-linking part.

The present invention provides: a vapor-deposited multilayer film which has high oxygen barrier properties and high water vapor barrier properties, and has sufficient oxygen barrier properties even after a bending treatment; and the like. Provided is a vapor-deposited multilayer film comprising: a multilayer film in which a layer (A), as the outermost layer, a layer (B), and a layer (C) are stacked in this order; and a vapor-deposited inorganic layer (I) stacked on the exposed surface side of the layer (A). The vapor-deposited inorganic layer (I) is a vapor-deposited metal layer that is mainly composed of aluminum, or a vapor-deposited inorganic oxide layer that is mainly composed of alumina or silica. The layer (A) contains, as a main component, an ethylene-vinyl alcohol copolymer (a) that has an ethylene unit content of 36-60 mol%; the layer (B) contains, as a main component, an ethylene-vinyl alcohol copolymer (b) that has an ethylene unit content of 20-35 mol%; and the layer (C) contains a polyethylene or a polypropylene as a main component. The average thickness of the multilayer film is 300 µm or less.

Inorganic oxide particles having a D50 of 5.5-9.0 μm and a pressure loss of 1.75-2.81 kPa in air permeation at a pressure of 12 kPa.

A sulfide all-solid-state battery and a method for forming an oxide electrolyte coated cathode is provided. The battery includes a nickel-based cathode, an electrolyte coating adhered to the nickel-based cathode, an anode, and a sulfide solid electrolyte. The nickel-based cathode includes LiNi1-x-y-zCoxMnyAlzO2. The electrolyte coating includes an inorganic oxide solid electrolyte including Li1+nAlnTi2−n(PO4)3 (LATP), where 1-x-y-z is greater than 0.2, x is greater than or equal to 0, y is greater than or equal to 0, and z is greater than or equal to 0, and where n is between 0.2 and 0.5. The sulfide solid electrolyte transports charged ions between the anode and the nickel-based cathode.

A method for manufacturing a stack, includes forming a first insulation layer on a first support substrate, the first insulation layer including a first thermosetting resin and first inorganic oxide particles; and bonding a first surface of the first insulation layer to a second surface of a second insulation layer including a second thermosetting resin. In this manufacturing method, the second insulation layer includes substantially no inorganic oxide particles or includes second inorganic oxide particles in a content smaller than that of the first inorganic oxide particles included in the first insulation layer.

The invention belongs to the technical field of food packaging materials, and discloses a high-barrier food packaging composite film with a stretching and shaping function, the composite film is formed by compounding five layers of structures, and comprises a surface layer, a barrier layer, a bonding layer, an elastic core layer and an inner layer; the surface layer adopts a biaxially oriented polypropylene or biaxially oriented polyester film, the thickness is 12-20 microns, the surface is subjected to corona treatment, and printing adaptability and initial mechanical strength are provided; and the barrier is prepared by blending an ethylene-vinyl alcohol copolymer and a nanoscale inorganic oxide. According to the composite film processing technology, through multi-step collaborative optimization, double breakthrough of performance and efficiency is achieved; the elastic core layer adopts a TPU / LLDPE blending bi-directional stretching technology, the elongation at break is improved, the composite film is endowed with excellent stretching shaping capacity, surface layer / inner layer corona treatment is matched, the interlayer adhesive force is remarkably improved, and it is ensured that the structure is still kept complete when the thermal forming depth reaches 25 mm.

The invention belongs to the technical field of environmental catalytic materials, and particularly relates to a mesoporous Ni-Mn composite oxide catalyst, a preparation method and application of the mesoporous Ni-Mn composite oxide catalyst in NH3-SCR. The catalyst comprises the following components in percentage by mass: 6.2%-6.7% of NiO; 3.9%-14.4% of MnO2 (manganese dioxide); 4.3%-7% of CeO2; zrO2: 3.05% to 5%; an inorganic oxide carrier with a regular mesoporous structure: the balance of the mass of the catalyst; niO and MnO2 exist in the form of a Ni-Mn composite oxide; the CeO2 and the ZrO2 exist in the form of a CeO2-ZrO2 solid solution; the following relation is satisfied: n (NiO) / n (MnO2) = (0.5-2): 1; n (CeO2) / n (ZrO2) = 1: 1; and n (CeO2 + ZrO2) / n (NiO + MnO2) is equal to (0.2-0.6): 1.

A process for producing a supported single-site catalyst is provided. The process comprises forming a slurry comprising a dried inorganic oxide support, an organic solvent, and an aluminoxane activator; maintaining the temperature of the slurry from about 100° C. to about 200° C. for a time period from about 0.5 to about 10 hours to form a supported aluminoxane slurry; and contacting N the supported aluminoxane slurry with a single-site catalyst component to form a supported single-site catalyst. The organic solvent comprises one or more non-aromatic organic compounds having a boiling point of about 100° C. or greater in an amount of about 50 CA wt. % or greater with respect to the total amount of the organic solvent.

The present invention relates to a treated inorganic oxide slurry and process of making including: a. treating an inorganic oxide particle with aqueous inorganic metal salt; b. washing the treated inorganic oxide particle with water and removing aqueous inorganic metal salt to form a washed slurry having 30-60% by weight treated inorganic oxide particles in water; c. milling the washed slurry to form a milled slurry; d. removing water from the milled slurry to form a dewatered filter cake having 60-85% by weight treated inorganic oxide particles in water; and e. contacting the dewatered filter cake with water, dispersant, or a mixture of water and dispersant to form a product slurry. The process uses less energy and water compared with prior art processes that include jet milling and drying steps, while maintaining performance. The slurries can be used in applications including coatings and paper.

The invention discloses a composite material and a preparation method and application thereof, the composite material comprises hard carbon and a first material, the first material comprises an organic metal salt and an inorganic oxide, the metal element in the organic metal salt comprises sodium or lithium, the organic metal salt can fill the surface defect of the hard carbon, and the inorganic oxide is added to the surface defect of the hard carbon. The inorganic oxide can be used for constructing a nanoscale ion sieve, so that the balance of the metal storage rate of the surface and the bulk phase of the hard carbon can be improved, the composite material is endowed with good metal ion transmission dynamics performance and electrochemical performance, and the composite material can be used for preparing an electrode of a battery and has a wide application prospect. And the performance and the safety of the battery can be improved.

The application discloses a structural color pressure-sensitive film based on a hollow polymer colloidal photonic crystal and a preparation method and application thereof, and belongs to the technical field of force-induced color-changing materials. The preparation method of the structural color pressure-sensitive film comprises the following steps: (1) uniformly dispersing core-shell nano colloidal particles in an organic solvent to obtain a colloidal particle dispersion liquid; the shell layer of the core-shell nano colloidal particles is a polymer material, and the core layer is an inorganic oxide; (2) coating the colloidal particle dispersion liquid on the surface of a flexible substrate, and obtaining a precursor photonic crystal film after heating; and after removing the core layer of the core-shell nano colloidal particles in the precursor photonic crystal film by acid treatment etching, the structural color pressure-sensitive film is obtained. The preparation method of the structural color pressure-sensitive film is simple, the conditions are mild, and no pigment dye molecules are needed; by utilizing the pressure deformation and shape memory characteristics of a single hollow polymer colloidal particle itself and the inherent structural color characteristics of a photonic crystal, the structural color pressure-sensitive film can realize the regulation and memory of rich and high-saturation structural colors under the action of pressure.

To provide an optical laminate for electronic paper that suppresses the deterioration of barrier properties over time. An optical laminate 200 for electronic paper having a first surface P1 and a second surface P2 opposite to the first surface, wherein the optical laminate comprises a first substrate 11 and a barrier film 100 having an inorganic oxide layer 21 on a second substrate 12, the first substrate 11 being located on the first surface P1 side of the second substrate 12, the inorganic oxide layer 21 being located on the second surface P2 side of the second substrate 12, the first substrate 11 being a triacetylcellulose film, and the second substrate 12 being a polyester film.

The present invention relates to a composition comprising a plurality of aqueous phases comprising: (a) at least one cationic polymer; (b) at least one non-polymeric acid having two or more pKa values or salt thereof; (c) at least one anionic polymer, and (d) water, and a fatty phase comprising: (e) at least one oil, wherein the aqueous phases are dispersed in the fatty phase, and the composition further comprises (f) at least one first powder comprising (i) at least one inorganic oxide, and (ii) at least one fatty acid or salt thereof. The composition according to the present invention is stable and can provide a keratin material such as skin with, at least, an acceptable level of sebum control, good spreadability and comfortable feeling to use.

Provided is an ink-repellent member including an underlying portion containing an inorganic oxide, the ink-repellent member having a fluorine compound bonded to a surface of the underlying portion, wherein the fluorine compound has a chain structure, and is bonded to the surface by forming a phosphonic acid ester structure at each of both ends thereof.

The application discloses a positive electrode side electrolyte diaphragm, a negative electrode side electrolyte diaphragm, a lithium metal battery and an electric device, relates to the technical field of batteries, and the positive electrode side electrolyte diaphragm is applied to a lithium metal battery, a material of the positive electrode side electrolyte diaphragm comprises a first organic polymer, a first lithium salt, a first inorganic nano solid-state electrolyte and first inorganic oxide particles, wherein: the first organic polymer comprises an organic polymer with an antioxidation performance. By introducing the organic polymer with the antioxidation performance, the first lithium salt and the first inorganic oxide particles as the positive electrode side electrolyte diaphragm, the flexible characteristics of the organic solid-state electrolyte are utilized to reduce contact internal resistance, the risk of internal side reactions can be reduced, the rapid conduction of lithium ions is ensured, the formation of lithium dendrites is inhibited, and the safety and energy density of the battery are improved.

A double coating structure based on a multifunctional water-based low-temperature paint, and a coating system and the use thereof. The double coating structure comprises a first coating and a second coating, wherein the first coating comprises a mixture of a flaky metallic pigment and an inorganic oxide pigment; the second coating comprises a transparent organic color paste; and a first-coating paint composition used for the first coating and a second-coating paint composition used for the second coating are both mixtures containing an acrylic resin emulsion and a polyurethane dispersion. The double coating structure uses the technical solution of a pigment mixture and does not contain any curing agent such as an isocyanate; the obtained double coating structure has high radar wave transmission performance, high infrared reflection performance and high reflective insulation capacity, and is particularly suitable for black or silver paint systems; and since a water-based low-temperature paint is used, the double coating structure has the characteristics of significant low-temperature quick-drying film formation, a thin coating and a low VOC content, and can realize a coating process that has low energy consumption and is healthy and environmentally friendly.

An electrophotographic photoreceptor includes a conductive substrate, a charge-generating layer provided on or above the conductive substrate, a charge transport layer provided on the charge-generating layer and containing inorganic oxide particles, the charge-generating layer and the charge transport layer forming a photosensitive layer, and an inorganic protective layer provided on the photosensitive layer, in which in a cross-sectional observation of the charge transport layer, the relationship between the percentage area A of inorganic oxide particles contained in a surface level and the percentage area B of inorganic oxide particles contained in an inner level satisfies the percentage area A>the percentage area B of the charge transport layer, with the boundary therebetween at ½ the thickness of the charge transport layer.