151 results about "Inorganic particle" patented technology

The application provides a composite electrode active layer, an electrode sheet and a secondary battery. The composite electrode active layer comprises an active material layer and a composite insulation layer which are stacked in sequence, the composite insulation layer comprises inorganic particles, a heat-resistant polymer and a heat-sensitive polymer; the weight ratio of the inorganic particles, the heat-resistant polymer and the heat-sensitive polymer is (50-100):(1-10):(5-50); the melting temperature of the heat-resistant polymer is 180-450 DEG C; and the softening temperature of the heat-sensitive polymer is 80-120 DEG C. Through the design of the composite electrode active layer, the application realizes the low closed pore temperature and the high film breaking temperature, and further realizes the porous structure and the high-temperature resistance.

The aim of the present invention is to provide a microporous multilayer separator and a secondary battery comprising same, the microporous multilayer separator having a low coating weight per unit area, a thin coating layer, and a low heat shrinkage rate, and thus having improved energy density and safety, thereby being suitable for use in a lithium-ion secondary battery. To this end, provided is a microporous multilayer separator, comprising: a polyolefin-based microporous membrane; and an inorganic coating layer which is applied on one side or both sides of the microporous membrane and in which two or more types of inorganic particles are bound by an organic binder, wherein the inorganic particles comprise first inorganic particles and second inorganic particles, wherein the first inorganic particles have an average diameter (D50) of 0.1-10.0 μm, and the second inorganic particles have an average diameter (D50) of 50 % or less of the average diameter (D50) of the first inorganic particles.

Provided in the present application are a composite electrode active layer, an electrode sheet and a secondary battery. The composite electrode active layer comprises an active material layer and a composite insulating layer which are stacked in sequence, wherein the composite insulating layer comprises inorganic particles, a heat-resistant polymer and a thermosensitive polymer; the weight ratio of the inorganic particles to the heat-resistant polymer to the thermosensitive polymer is (50-100):(1-10):(5-50); the melting temperature of the heat-resistant polymer is 180-450ºC; and the softening temperature of the thermosensitive polymer is 80-120ºC.

The present invention relates to a planar heating element comprising: a heating layer including graphene flakes, functionalized graphene and a nanohybrid material; and an electrode electrically connected to the heating layer, wherein the nanohybrid material has the functionalized graphene self-adsorbed on the surfaces of thermally conductive inorganic particles.

The present invention provides a method for evaluating a resin composition comprising a resin component and inorganic particles. This method includes determining the residue rate after filtering a mixture containing: a solvent; and a sample that contains the inorganic particles and the resin component.

According to this disclosure, a secondary battery and a method for manufacturing the secondary battery are provided to suppress the generation of springback in a wound electrode body with a specific external dimension. The secondary battery disclosed herein includes a flat wound electrode body and a battery casing housing the wound electrode body. The spacer (30) of the secondary battery has a strip-shaped substrate layer (32) and a surface layer (34) containing inorganic particles and a binder. Furthermore, at least one of the positive electrode plate (10) and the negative electrode plate (20) is bonded to the surface layer (34) of the spacer (30). In addition, the width dimension of the positive electrode active material layer (14) in the secondary battery (100) disclosed herein is 200 mm or more, the thickness dimension of the wound electrode body is 8 mm or more, and the height dimension of the wound electrode body is 120 mm or less. According to the technology disclosed herein, even when using a wound electrode body with such an external dimension that is prone to springback, the generation of springback can be appropriately suppressed.

Provided is a wavelength conversion member manufacturing method and a wavelength conversion member including a sintered body having improved light-tightness of a surface other than a light incident surface and a light exit surface. A wavelength conversion member manufacturing method including a sintered body having a light incident surface, a light exit surface, and a light reflection surface different from the light incident surface and the light exit surface includes: a sintered body preparation step of preparing a sintered body including inorganic particle and phosphor particle; and a recess formation step of performing acid treatment on the sintered body to form a plurality of recesses in the light reflection surface of the sintered body.

The present invention relates to an electrode assembly and an electrochemical device including the same. The electrode assembly of the present invention comprises a unit electrode and a strip-shaped separator. The separator is folded in a zigzag manner, and the unit electrode is inserted into the portion where the separator overlaps. The separator comprises a porous substrate made of a polymer material and a porous coating layer formed on the upper and lower surfaces of the porous substrate, each containing inorganic particles. The thickness (Ts) of the porous substrate gradually decreases from the center of the separator in the longitudinal direction toward both ends, the total thickness (Tc) of the porous coating layer gradually increases toward both ends, and the total thickness (Ts+Tc) is maintained constant across the entire surface of the separator.

The present invention provides a method for producing an inorganic particle-containing slurry, by which the number of coarse particles can be sufficiently reduced. The present invention is a method for producing an inorganic particle-containing slurry, which comprises: a step of preparing an inorganic particle dispersion containing inorganic particles and a dispersing medium, and having a pH less than the isoelectric point of the inorganic particles; and a step of adding an alkaline compound to the inorganic particle dispersion in such a manner that the pH does not reach the isoelectric point of the inorganic particles.

A display apparatus can include a plate, a display panel on the plate to display an image, a polarizing plate on the display panel, a first film on the polarizing plate, a front member on the first film, and wherein at least one adhesive layer, wherein the at least one adhesive layer includes a monomer, an oligomer, a photoinitiator and a nano-inorganic particle, and wherein an amount of the monomer is 70 wt % or more, and an amount of the oligomer is 20 wt % or less in the at least one adhesive layer.

The present invention relates to a particulate filter comprising a substrate comprising a plurality of longitudinally extending porous walls forming a plurality of parallel channels extending from an inlet end to an outlet end, wherein a number of channels are inlet channels which are open at the inlet end and closed at the outlet end, and a number of channels are outlet channels which are closed at the inlet end and open at the outlet end; and an inorganic particle layer loaded in the inlet channels and / or outlet channels, preferably on the surface of the porous walls in at least the inlet channels, wherein the inorganic particle layer comprises platy crystalline inorganic particles. The present invention further relates to a method for producing a particulate filter, an exhaust gas treatment system comprising the particulate filter and a method for treating an exhaust gas stream, in particular an exhaust gas stream from an internal combustion engine.

A composition that suppresses water absorption and moisture absorption, particularly a composition for providing a sheet with suppressed increase in dielectric loss tangent due to moisture absorption, and a sheet and metal-clad laminate using the same. A composition including a fluororesin, an inorganic particle, and an organosiloxane. A sheet and a metal-clad laminate using the composition.

The application relates to a two-way stretched polypropylene-based capacitor film and a preparation method thereof, and raw materials include polypropylene resin, fillers, a compatilizer, a nucleating agent and an antioxidant; the compatilizer is obtained by melt extrusion granulation of maleic anhydride grafted polypropylene and BN@SiO2-NH2; BN@SiO2-NH2 is obtained by the following steps: mixing boron nitride and urea in a ball mill, mechanically exfoliating, ultrasonic dispersing in an ethanol aqueous solution, adding tetraethyl orthosilicate and ammonia water, stirring and hydrolyzing to obtain BN@SiO2, and finally reflux grafting with gamma-aminopropyl triethoxysilane to obtain BN@SiO2-NH2. The compatilizer formed by premixing MAH-g-PP and BN@SiO2-NH2 can be uniformly dispersed and avoid agglomeration, and contains BN and SiO2 as fillers, plays a role in strengthening the interface and improving the breakdown strength, and promotes the dispersion of inorganic particles, effectively improving the dielectric constant.

The application relates to the field of energy-saving and environment-friendly technologies, and particularly discloses a sewage treatment system and operation method for high-cold regions; the sewage treatment system comprises a pretreatment unit, a biological treatment unit and a terminal treatment unit which are sequentially connected and arranged in a heat preservation area; the pretreatment unit comprises three-stage grid pools and three-stage grit chambers and is used for intercepting solid impurities and inorganic particles in sewage in stages; the biological treatment unit is composed of three-stage anaerobic pools, three-stage anoxic pools and three-stage aerobic pools, and organic matter degradation is realized through segmented treatment of the three-stage anaerobic pools, the three-stage anoxic pools and the three-stage aerobic pools; the terminal treatment unit comprises three-stage sedimentation pools, three-stage filtration pools and a disinfection pool and is used for solid-liquid separation and filtration disinfection; a heat preservation structure is further arranged on the top of the heat preservation area, and the heat preservation structure at least comprises a soil covering layer and a heat preservation layer; the heat preservation structure does not need external heat sources, can reduce energy consumption and saves operation cost.

The present invention relates to air-drying, thermally insulating coating composition for applying to a substrate, the coating composition comprising at least from 15% to 80% by weight of a film forming binder, from 10% to 70% by weight of an inorganic porous and inorganic non-porous hydrophobic particles having a D50 particle size range of between 30 µm and 300 µm and a D95 inorganic particle size range of between 2.0 µm and 1000 µm, where the dry weight percentage of the inorganic particles is based upon a dry weight ratio of specific particle size ranges, being a "large" particle size range of between 300 µm to 1000 µm, a "medium" particle size range of between 100 µm to 300 µm, and a "small" particle size range of between 10 µm to 100 µm; and wherein the ratio of "large" to "medium" to "small" particle size ranges is in a ratio of between 3:2:1 and 3:2:2, whereby after applying the coating composition to a substrate, the coating composition forms a coating film and provides an insulation barrier to the transfer of heat from one side of the coating film to the other side of the coating film. The coatings derived from the compositions of the invention may be applied by spray, roller or trowel and may be applied to any substrate surface such as wood, metal, masonry, plastics or composites.

This application relates to the field of building materials, and in particular to a fly ash-desulfurized gypsum composite activator, its preparation method, and its application in high-salt-freeze concrete. The fly ash-desulfurized gypsum composite activator comprises fly ash, desulfurized gypsum, inorganic particles, organic salt additives, water glass, reinforcing agents, and water-reducing agents. The composite activator prepared in this application can significantly improve the durability of concrete under salt-freeze coupled environments, effectively resist the combined effects of de-icing salt erosion and freeze-thaw cycles, greatly inhibit surface spalling and the propagation of internal micro-cracks, and improve the workability of the cementitious system, facilitating construction operations. It can be widely applied in cold regions and in engineering fields such as airport runways, highway bridges, and seaports where de-icing salt is frequently used.

The application discloses a modified anion exchange membrane and a preparation method and application thereof. The modified anion exchange membrane comprises a base resin and modified nano inorganic particles, and the modified nano inorganic particles are covalently connected with the base resin. The modified anion exchange membrane provided by the application has excellent oxidation resistance and alkali resistance without affecting application performance, and has excellent mechanical strength and size stability, and has a long service life.

The present application provides an electrochemical device and an electronic device. The electrochemical device comprises a positive electrode sheet and an electrolyte. The positive electrode sheet comprises a positive electrode current collector, a first material layer and a positive electrode material layer. The first material layer is arranged between the positive electrode current collector and the positive electrode material layer. The first material layer comprises inorganic particles, a first binder, and a first conductive agent. The inorganic particles comprise a metal element. Based on the mass of the first material layer and the positive electrode material layer, the mass percentage of the metal element is M%, wherein 0.3≤M≤4. The electrolyte comprises a first component. The first component comprises at least one of a compound of formula I-1 or a compound of formula II-1. Based on the mass of the electrolyte, the mass percentage of the first component is A%, wherein 40≤A≤85. By means of the described arrangements, the cycling performance of the electrochemical device at high voltage and high temperature can be improved, and the thermal safety performance of the electrochemical device can also be ensured, thereby improving the comprehensive performance of the electrochemical device.

This application discloses a thin film and its preparation method, an optoelectronic device and its preparation method, and a display device. The material of the thin film includes inorganic particles. The thin film described in this application has low roughness and good surface smoothness.

This deodorizing agent contains inorganic particles having a hydrophobized surface.

A separator for alkaline hydrolysis comprising a porous layer, the porous layer comprising inorganic particles, characterized in that the inorganic particles have a fraction of primary particles having a diameter above 100 nm of lower than 3% by number, as measured by Transmission Electron Microscopy (TEM).

The present invention relates to separators for electrochemical devices, a method for manufacturing the same, and electrochemical devices including the same. More particularly, the present invention relates to separators facing dry electrodes, a method for manufacturing the same, and electrochemical devices including the same, in which the separators are formed with a coating layer including a polymer binder and inorganic particles and do not include a polyolefin substrate.

The present invention provides a novel water-wet powder solid cosmetic which is excellent in use and impact resistance. The water-wet powder solid cosmetic of the present disclosure contains plate-like mica and spherical inorganic particles, wherein the plate-like mica contains hydrophobic plate-like mica and hydrophilic plate-like mica, and the spherical inorganic particles contain hydrophobic spherical inorganic particles and hydrophilic spherical inorganic particles.

A fixing member, a fixing device, an image forming apparatus, and a method for forming a release layer of a fixing member, the fixing member having: a base material; and a release layer provided on the base material and containing a compound having a formula: [R 1 SiO 3 / 2 ] m The polysiloxane compound and the inorganic particles each having an average particle diameter of 0.5 μm or more and 15 μm or less, wherein, in the formula, R 1 represents an organic group, m represents an integer of 2 or more, and at least one of R 1 in the T unit is a group containing at least one of an alkyl group and an aryl group. 1 ​

The present invention relates to a method for improving thermal resistance of a secondary battery separator, the thermal resistance of the secondary battery separator being improved without a binder and slurry process. By using a method of coating a binder with powder in which an outer layer is formed on inorganic particles, the physical properties of a separator can be improved, and performance including battery stability can be improved.

This disclosure provides a composite cooling film comprising a microporous film layer having a solar-weighted reflectivity of 0.8 or greater for vertically incident electromagnetic radiation with wavelengths ranging from 400 nanometers (nm) to 2500 nm. The composite cooling film also includes a UV-reflective composite layer disposed adjacent to the main surface of the microporous film layer. The UV-reflective composite layer comprises a polymer matrix and inorganic particles distributed within the polymer matrix. The UV-reflective composite layer exhibits an average electromagnetic radiation reflectivity of at least 55% over a wavelength bandwidth of at least 30 nm in the wavelength range of 300 nm to at most, but not including, 400 nm.

Provided is an anti-fogging agent containing: inorganic particles; a silane coupling agent A having a reactive group X; and a compound B having a reactive group Y capable of reacting with and bonding to the reactive group X; wherein the content of the silane coupling agent A is 5 parts by mass or more with respect to 100 parts by mass of the inorganic particles, and the content of the compound B is 0.2 parts by mass or more with respect to 100 parts by mass of the inorganic particles.

The application belongs to the technical field of electric wire and cable, and discloses an insulating electric wire and a preparation method thereof, a coil and an electronic / electrical device, wherein the insulating electric wire comprises a conductor and an adhesive layer and an insulating layer arranged outside the conductor in sequence, the insulating layer comprises polyether ether ketone resin and a corona-resistant filler, and the corona-resistant filler is composed of corona-resistant inorganic particles and a compatible resin wrapped on part or all of the outer surface of the corona-resistant inorganic particles. In the insulating layer of PEEK, the corona-resistant inorganic particles with the compatible resin grafted on the surface are introduced, the dispersion of the corona-resistant inorganic particles and the interfacial bonding force between the corona-resistant inorganic particles and the matrix are improved by using the good compatibility of the compatible resin with the PEEK matrix. The compatible resin enables the PEEK and the corona-resistant inorganic particles to be uniformly mixed, thereby ensuring the adhesion between each other, which helps to reduce the partial discharge phenomenon caused by the interface defects and enhances the resistance of the corona-resistant filler to the corona erosion.

The present disclosure relates to a separator for an electrochemical device and an electrochemical device including the same, and more particularly, to a separator for an electrochemical device, wherein a coating layer provided on a porous polymer substrate includes inorganic particles, and the metal oxide in the inorganic particles has a controlled grain size, so that gas generation during the operation of an electrochemical device may be reduced, thereby improving the explosion safety of the electrochemical device, and an electrochemical device including the same.