Abstract: A lithium-ion battery separator with high-temperature resistance, a preparation method thereof and a lithium-ion battery prepared therefrom fall within the field of lithium-ion battery separators. The separator has a thickness of 3.5-30 ?m, a porosity of 30-80%, an adjustable pore size of 20-2000 nm, a biaxial tensile strength of ?50 MPa, an air permeability of ?400 s/100 cc, and a breaking temperature of ?160° C. The preparation method comprises the following steps: mixing, melting, and plasticizing 20%-60% of a polypropylene main material, 2%-10% of a solubilizer, 30%-80% of a solvent. 0.1%-5% of a nucleating aid and/or 0.1%-1% of an antioxidant, carrying out twin-screw extrusion, carrying out thermally induced phase separation to obtain a cast sheet, and carrying out cast sheet stretching, extraction, and post-treatment or directly carrying out extraction and post-treatment.

Abstract: A perovskite-type composite oxide powder is a perovskite-type composite oxide powder represented by a general formula ABO3-? (where ? represents an amount of deficiency of oxygen and 0??<1), an element contained in an A site is La, elements contained in a B site are Co and Ni and a crystallite size determined by a Williamson-Hall method is equal to or greater than 20 nm and equal to or less than 100 nm. In this way, when the perovskite-type composite oxide powder is used as an air electrode material for a fuel cell, an air electrode in which the resistance thereof is low and the conductivity thereof is high can be obtained.

Abstract: A rare earth regenerator material particle and a regenerator material particle group having a high long-term reliability, and a superconducting magnet, an examination apparatus, a cryopump and the like using the same are provided. A rare earth regenerator material particle contains a rare earth element as a constituent component, and in the particle, a peak indicating a carbon component is detected in a surface region by an X-ray photoelectron spectroscopy analysis.

Abstract: The present application relates to a nitrogen-containing compound. The structural formula of the nitrogen-containing compound is as shown in a Formula 1, in which a ring A and a ring B are each independently selected from a benzene ring or a fused aromatic ring with 10 to 14 ring-forming carbon atoms, and at least one of the ring A and the ring B is selected from the fused aromatic ring with 10 to 14 ring-forming carbon atoms; L is selected from a single bond, a substituted or unsubstituted arylene group with 6 to 30 carbon atoms, and a substituted or unsubstituted heteroarylene group with 3 to 30 carbon atoms; and Het is a substituted or unsubstituted nitrogen-containing heteroaryl group with 3 to 30 carbon atoms. The nitrogen-containing compound of the present application can improve the luminous efficiency of an organic electroluminescent device and the conversion efficiency of a photoelectric conversion device using the nitrogen-containing compound.

Abstract: A manufacturing method of a halogen-free flame-retardant thermoplastic braided fiber reinforced polymer composite board, comprising steps of: preparing a recycled material containing a halogen-free flame-retardant thermoplastic braided fiber reinforced polymer composite; adding a polymer base material to the recycled material to form a core layer material and extruding the core layer material with a low shear extruder; hot pressing the core layer material by rollers to obtain a recycled fiber core layer; preparing a reinforcement layer containing a fiber material or a fabric with pores; and stacking and hot pressing the recycled fiber core layer and the reinforcement layer.

Abstract: The present disclosure provides a carbide blade grinding forming processing production line, relates to the field of blade processing in forming, and provides a production line for grinding forming processing of a carbide blade with inscribed circular holes, which has functions of blade grinding forming processing, blade cleaning and drying and detection of external dimension of a formed blade, and has an automatic loading and uninstalling function. In most processing course of the blade, the cutter head is taken as a carrier, and an overturning device is configured to overturn a whole cutter die box, such that integral end surface overturning of the cutter head in the cutter die box after single end surface grinding is realized, and blade filling processes in different processing links are reduced.

Abstract: A 1,1,1-tris(organoamino)disilane compound and a method of preparing the 1,1,1-tris(organoamino)disilane compound are disclosed. The method comprises aminating a 1,1,1-trihalodisilane with an aminating agent comprising an organoamine compound to give a reaction product comprising the 1,1,1-tris(organoamino)disilane compound, thereby preparing the 1,1,1-tris(organoamino)disilane compound. A film-forming composition is also disclosed. The film-forming composition comprises the 1,1,1-tris(organoamino)disilane compound. A film formed with the film-forming composition, and a method of forming the film, are also disclosed. The method of forming the film comprises subjecting the film-forming composition comprising the 1,1,1-tris(organoamino)disilane compound to a deposition condition in the presence of a substrate, thereby forming the film on the substrate.

Abstract: While a molten metal of copper heated to a temperature, which is higher than the melting point of copper by 250 to 700° C. (preferably 350 to 650° C. and more preferably 450 to 600° C.), is allowed to drop, a high-pressure water is sprayed onto the heated molten metal of copper in a non-oxidizing atmosphere (such as an atmosphere of nitrogen, argon, hydrogen or carbon monoxide) to rapidly cool and solidify the heated molten metal of copper to produce a copper powder which has an average particle diameter of 1 to 10 ?m and a crystallite diameter Dx(200) of not less than 40 nm on (200) plane thereof, the content of oxygen in the copper powder being 0.7% by weight or less.

Abstract: The present disclosure provides a method for processing an all-polyester fiber cotton-like fabric with sunlight resistance. The method includes: 1) weaving a PTT/PET bicomponent composite stretch yarn into a fabric; 2) dyeing processing the fabric; and 3) finalizing and finishing, wherein the finalizing and finishing comprises: a) preparing a finishing liquor obtained by mixing a crosslinking agent and an emulsion of benzophenone-containing polyorganosiloxane; b) padding the fabric; and c) drying and finalizing at a high temperature.

Abstract: The present invention relates to preparation and application of a novel quadridentate platinum (II) complex, and belongs to the field of OLED organic electroluminescent materials. The complex of the present invention has NCNC chelating coordination, a stable structure, a spiro ring structure in the skeleton, a strong molecular stereoscopic property, and weak intermolecular interaction, so that mutual stacking between complex molecules is avoided, the formation of an excimer is greatly inhibited, and thus the efficiency of an OLED device is improved. The complex of the present invention has high fluorescence quantum efficiency, great thermal stability and low quenching constant, and can be used for manufacturing a red-light OLED device with high luminescence efficiency and low roll-off.

Abstract: A microporous polyolefin (PO) foamed material is provided, which is prepared from a PO composition through a foaming process, where the PO composition includes a PO and an additive composition, and with the PO composition as 100 parts by mass, the additive composition accounts for 3 to 20 parts by mass; the additive composition includes a functional additive A; the functional additive A has a molecular formula of R—(OCH2CH2)xOH, where R is an aralkyl group, a straight alkyl chain, or a branched alkyl chain that has 5 to 60 carbon atoms, and x is 1 to 20; and an absolute value of a solubility parameter difference between the PO and the functional additive A is greater than or equal to 1 (J/cm3)1/2 and less than or equal to 5 (J/cm3)1/2 . When the method is used for PO foaming, the foaming efficiency is greatly improved, thereby reducing a production cost.

Abstract: A ceramic scintillator according to the present embodiment has a composition represented by (Lu1-xPrx) a (Al1-yGay) bO12, wherein x, y, a, and b in the composition respectively satisfy 0.005?x?0.025, 0.3?y?0.7, 2.8?a?3.1, and 4.8?b?5.2.

Abstract: Disclosed is an alkali-metal-ion secondary battery including a cathode material, an electrolyte, a separator, and an anode material, in which each of the cathode material and the anode material includes an electrically conductive carbon allotrope and an alkali metal compound, the weights or composition ratios of the electrically conductive carbon allotropes contained in the cathode material and the anode material are different from each other, and the weights or composition ratios of the alkali metal compounds contained in the cathode material and the anode material are different from each other.

Abstract: A rare earth halide scintillation material the chemical formula of the material being CeBr3+x, wherein 0.0001x0.1. The rare earth halide scintillation material has excellent scintillation properties including high light output, high energy resolution, and fast decay.

Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an organic layer between the first electrode and the second electrode and including an emission layer; and at least one heterocyclic compound represented by Formula 1: The organic light-emitting device including at least one heterocyclic compound as represented above may have a low driving voltage, high emission efficiency, and improved lifetime characteristics.

Abstract: A novel organometallic compound represented by a following Chemical Formula I is described: wherein R represents a fused ring connected to X1 and X2, with variables as defined herein. The organometallic compound acts as a dopant of a light-emitting layer of an organic light-emitting diode. An organic light emitting device includes the organic light emitting diode and can be a display device or a lighting device. Improved color gamut of the diode, luminous efficiency and a lifespan thereof are achieved, as well as a lower operation voltage of the diode.

Abstract: Disclosed is a novel organometallic compound represented by a following Chemical Formula 1. The organometallic compound acts as a dopant of a light-emitting layer of an organic light-emitting diode.

Abstract: Provided are a nickel-based superalloy and a manufacturing method therefor, and a component and an application. The nickel-based superalloy is prepared from the following raw materials by means of 3D printing. The raw materials include (mass percent): less than or equal to 0.3% of C, less than 5% of Co, 13-15% of W, 20-24% of Cr, 1-3% of Mo, 0.2-0.5% of Al, less than 0.1% of Ti, less than 3% of Fe, less than 0.015% of B, 0.001-0.004% of La, 0.01-0.2% of Mn, and 0.02-0.2% of Si, with the balance being Ni. Average carbide size in a tissue is 150-200 nm, and carbide size distribution is 50 nm to 4 ?m.

Abstract: Provided are a method for manufacturing a PDLC membrane electrode, a negative pressure platform, and a PDLC membrane. The method for manufacturing a PDLC membrane electrode includes the following steps: placing a PDLC membrane on a negative pressure platform with a side to be processed facing upwards, and making a liquid crystal activation area of the side to be processed of the PDLC membrane coincide with a transparent area of the negative pressure platform, and other area coincides with a main body area of the negative pressure platform; activating a liquid crystal layer of the PDLC membrane; cutting and tearing off, according to a half-cut area, a PET layer and an electric conduction layer located on the liquid crystal layer, and sweeping or tearing off the activated liquid crystal layer together to expose the electric conduction layer below the liquid crystal layer to form a corresponding electrode.

Abstract: The present invention relates to an ONCN quadridentate ligand-containing platinum complex and application thereof in an organic light-emitting diode. The platinum complex is a compound having the structure as shown in a chemical formula (I). When the compound is applied to an organic light-emitting diode, low driving voltage and high luminescence efficiency are achieved, and the service life of a device can be significantly prolonged. The complex has a potential to be applied in the field of organic electroluminescent devices. The present invention further provides an organic electroluminescent device. The device includes a cathode, an anode, and an organic layer. The organic layer is one or more of a hole injection layer, a hole transport layer, a light-emitting layer, a hole blocking layer, an electron transport layer, and an electron injection layer, in which at least one of the layers includes the compound as shown in the structural formula (I).