Abstract: The present invention relates to an electrode slurry coating apparatus comprising a lower die applying electrode slurry on a collector, an intermediate die, and an upper die, a first discharge part primarily applying the electrode slurry on the collector to form a first coating layer; an intermediate pressing part pressing the first coating layer to adjust a thickness of the first coating layer; a second discharge part secondarily applying the electrode slurry on a surface of the first coating layer to form a second coating layer; and an upper pressing part pressing the first coating layer and the second coating layer, which are stacked, at the same time to to adjust a thickness of each of the first coating layer and the second coating layer, wherein the first discharge part has a width less than that of the second discharge part.

Abstract: A method for manufacturing an electrode having an irregular shape through a simple process while minimizing the amount of wasted electrode active material is provided. The method results in first to third coating areas formed to be spaced apart from each other on a collector, a plurality of fourth coating areas formed between the first coating area and the second coating area, and a plurality of fifth coating areas formed between the second coating area and the third coating area. The plurality of fourth coating areas and the plurality of fifth coating areas are dislocated from each other when viewed from one side in a width direction of the collector.

Abstract: An etching composition providing a high selection ratio enabling selective removal of a nitride film and minimization of an etching rate, a preparation method thereof, an etching composition additive prepared through a reaction of phosphoric anhydride and a silane compound represented by Formula 1 below, a method for preparing the same and an etching composition including the same are provided:

Abstract: An etching composition is provided. The etching composition includes phosphoric acid, phosphoric anhydride, a silane compound represented by Formula 1 below and water: wherein R1 to R6 are independently hydrogen, halogen, a substituted or unsubstituted C1-C20 hydrocarbyl group, a C1-C20 alkoxy group, a carboxy group, a carbonyl group, a nitro group, a tri(C1-C20-alkyl)silyl group, a phosphoryl group, or a cyano group. L is a direct bond or C1 to C3 hydrocarbylene, and A is an n-valent radical, while n is an integer of 1 to 4.

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same, wherein the electrolyte for a lithium secondary battery of the present invention may improve DC-IR characteristic and battery storage characteristic, and may improve high-temperature stability, low-temperature characteristic, and lifespan characteristic to thereby be effectively used for manufacturing a secondary battery.

Abstract: Side molded combination type line lights according to the present invention are configured to include: a fixed frame having a basic C-shaped cross sectional structure formed with a closing portion, opposite side walls, and an opening portion, wherein a protruding locking portion for guiding fixation of pieces is formed on each inner side of the opposite side walls, and a side mold coupling end is formed at each of the end portions of the opposite side walls; a diffusion plate coupled with the opening portion of the fixed frame; and a side mold formed in an L-shaped or T-shaped cross section, wherein an engaging portion to be coupled with the side mold coupling end is formed on one of the two types of side molds and coupled with each of the end portions of the opposite side walls of the fixed frame.

Abstract: A method for manufacturing an electrode for a rechargeable battery includes, with reference to a center axis that divides a metal sheet left and right, setting a first coating line that is parallel with the center axis at a location deflected to one side, and a second coating line that is parallel with the center axis at a location deflected to the other side so as to correspond to the first coating line with reference to the virtual center axis and coating an electrode slurry on the metal sheet while alternately moving a slot die to the first coating line and the second coating line.

Abstract: An etchant composition includes phosphoric acid and a silane compound represented by the following Chemical Formula 1: wherein A is an n-valent radical, L is C1-C5 hydrocarbylene, R1 to R3 are independently hydrogen, hydroxy, hydrocarbyl, or alkoxy, in which R1 to R3 exist respectively or are connected to each other by a heteroelement, and n is an integer of 2 to 5.

Abstract: An etchant composition includes a silane compound represented by the following Chemical Formula 1: wherein R1 to R6 are independently hydrogen, halogen, a substituted or unsubstituted C1-C20 hydrocarbyl group, a phenyl group, a C1-C20 alkoxy group, a carboxy group, a carbonyl group, a nitro group, a tri (C1-C20) alkylsilyl group, a phosphoryl group, or a cyano group, L is a direct bond or C1-C3 hydrocarbylene, A is an n-valent radical, and n is an integer of 1 to 4.

Abstract: Disclosed is a slot die coater for coating an electrode active material slurry on an electrode current collector, which includes a lower die having a lower outlet, and an upper die disposed above the lower die and having an upper outlet, wherein an upper surface of the lower die and a lower surface of the upper die are at least partially in contact with each other and capable of sliding relative to one another such that the upper die and the lower die are capable of sliding relative to each other along a horizontal direction.

Abstract: Disclosed herein is a compound composition for a vehicle interior material using a natural fiber, which has use for enhancing physical properties, such as shock resistance, tensile strength, flexural strength, elongation, flexural modulus of elasticity, and heat deflection temperature, while realizing a reduction in weight of a vehicle. The compound composition is composed of a base resin obtained by mixing a high-fluidity polypropylene resin and a high-impact polypropylene resin, the base resin being a thermoplastic resin, a reinforcing filler that is a lightweight, eco-friendly, and low-density natural fiber, an impact modifier that is ethylene-propylene-octene rubber, an inorganic filler that functions as a nuclear agent, and a maleic-anhydride compatibilizer.

Abstract: Disclosed is a method for manufacturing an electrode for a lithium secondary battery, including the steps of: (S1) dry mixing a conductive material and an electrode active material; (S2) dry mixing the resultant product of step (S1) with a binder to obtain electrode mixture powder; and (S3) applying the electrode mixture powder to at least one surface of a current collector. According to an embodiment of the present disclosure, electrode mixture powder is prepared without using a solvent and is applied to a current collector to provide an electrode. Thus, there is no need for a separate drying step. Therefore, the binder and conductive material coated on the surface of electrode active material cause no surface migration phenomenon. As a result, it is possible to prevent degradation of the adhesion of the electrode, and thus to prevent degradation of the performance of the lithium secondary battery.

Abstract: Provided are an electrolyte for a lithium secondary battery, and a lithium secondary battery containing the same. An embodiment of the present invention is directed to providing an electrolyte for a lithium secondary battery having excellent high-temperature and low-temperature characteristics while properly maintaining basic performance such as high rate charge and discharge characteristics, life cycle characteristics, and the like, and a lithium secondary battery containing the same.

Abstract: Provided are a lithium secondary battery electrolyte and a lithium secondary battery. The lithium secondary battery electrolyte includes a lithium salt, a non-aqueous organic solvent, and a boron derivative. The lithium secondary battery includes a cathode, an anode, a separator, and the secondary battery electrolyte. The secondary battery electrolyte according to the present invention has advantages of excellent stability at a high temperature, high discharge capacity at a low temperature, and excellent life cycle characteristics.

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The electrolyte for a secondary battery according to the present invention has excellent high-temperature stability, excellent low-temperature discharge capacity, and excellent life cycle characteristics.

Abstract: Provided are a lithium secondary battery electrolyte and a lithium secondary battery. The lithium secondary battery electrolyte includes a lithium salt, a non-aqueous organic solvent, and a pyrrole derivative. The lithium secondary battery includes a cathode, an anode, a separator, and the lithium secondary battery electrolyte. The secondary battery electrolyte according to the present invention has advantages of excellent stability at a high temperature and high discharge capacity at a low temperature.

Abstract: Disclosed is a computer-readable medium including a computer program including encoded commands. The computer program is configured to cause one or more processors to perform operations for optimizing a database application when the computer program is executed by the one or more processors of a computer system and the operations include: operation for receiving a query including a bind parameter from an application source; operation for obtaining information related to the bind parameter included in the received query; and operation for rewriting the received query by reflecting the obtained information related to the bind parameter within the received query as hint information.

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery containing the same. The electrolyte for a secondary battery according to the present invention has excellent high-temperature stability, excellent low-temperature discharge capacity, and excellent life cycle characteristics.

Abstract: Provided are an electrolyte for a lithium secondary battery and a lithium secondary battery including the same, wherein the electrolyte for a lithium secondary battery of the present invention may improve DC-IR characteristic and battery storage characteristic, and may improve high-temperature stability, low-temperature characteristic, and lifespan characteristic to thereby be effectively used for manufacturing a secondary battery.

Abstract: Disclosed herein is a compound composition for a vehicle interior material using a natural fiber, which has use for enhancing physical properties, such as shock resistance, tensile strength, flexural strength, elongation, flexural modulus of elasticity, and heat deflection temperature, while realizing a reduction in weight of a vehicle. The compound composition is composed of a base resin obtained by mixing a high-fluidity polypropylene resin and a high-impact polypropylene resin, the base resin being a thermoplastic resin, a reinforcing filler that is a lightweight, eco-friendly, and low-density natural fiber, an impact modifier that is ethylene-propylene-octene rubber, an inorganic filler that functions as a nuclear agent, and a maleic-anhydride compatibilizer.