Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.

Abstract: Provided is that a negative active material for a rechargeable lithium battery, a negative electrode for a rechargeable lithium battery including the same, and a rechargeable lithium including the same, and the negative active material for a rechargeable lithium battery includes an agglomerated product of silicon-based materials comprising a silicon particle, a lithium silicate positioned on a surface of the silicon particle, a first amorphous carbon surrounded on the silicon particle and the lithium silicate; and a second amorphous carbon positioned on the agglomerated product.

Abstract: Proposed are a substrate processing apparatus and a substrate processing method capable of efficiently preventing contamination of a substrate and a processing space caused by a reverse flow of purge gas.

Abstract: Disclosed herein are a video decoding method and apparatus and a video encoding method and apparatus. In video encoding and decoding, multiple partition blocks are generated by splitting a target block. A prediction mode is derived for at least a part of the multiple partition blocks, among the multiple partition blocks, and prediction is performed on the multiple partition blocks based on the derived prediction mode. When prediction is performed on the partition blocks, information related to the target block may be used, and information related to an additional partition block, which is predicted prior to the partition block, may be used.

Abstract: Provides are an anode active material for a lithium secondary battery and a lithium secondary battery comprising same, wherein the anode active material for a lithium secondary battery comprises a silicon-carbon composite having a void in the central portion, the radius of the central portion corresponds to 30% to 50% of the radius of the anode active material for a lithium secondary battery, and the silicon-carbon composite includes silicon nanoparticles and amorphous carbon.

Abstract: A negative active material composite, a method of preparing the same, a negative electrode, and a rechargeable lithium battery including the same, the negative active material composite including silicon nanoparticles; amorphous carbon; and graphitized carbon.

Abstract: A negative active material for a rechargeable lithium battery includes a core having a silicon-carbon composite and an amorphous carbon, the silicon-carbon composite being an agglomerated product of a crystalline carbon and silicon particles, and a coating layer on a surface of the core, the coating layer including catecholamine.

Abstract: A negative active material composite, a method of preparing the same, and a negative electrode and a rechargeable lithium battery including the same, the negative active material composite including compound particles represented by SiOx, in which 0<x?2.0; silicon nanoparticles having an average particle diameter (D50) of greater than 0 nm and less than or equal to about 200 nm; and amorphous carbon, wherein an internal pore volume of the negative active material composite is greater than 0 cm3/g and less than or equal to about 5.0×10?2 cm3/g.

Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative active material including a Si-carbon composite that includes Si nanoparticles and an amorphous carbon, wherein the negative active material has a sphericity of 0.7 or more, and a BET specific surface area of 10 m2/g or less.

Abstract: A negative active material for a rechargeable lithium battery, a negative electrode, and a rechargeable lithium battery including the same, the negative active material including a core including silicon nanoparticles and a lithium titanium-based oxide; and an amorphous carbon layer on a surface of the core.

Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative active material including secondary particles of agglomerated primary particles, the primary particles including Si particles and a first ceramic oxide on a surface of the Si particles; and amorphous carbon, wherein the amorphous carbon surrounds a surface of the primary particles and a surface of the secondary particles.

Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same, the negative active material including a Si-carbon composite that includes Si nanoparticles and an amorphous carbon, wherein the negative active material has a sphericity of 0.7 or more, and a BET specific surface area of 10 m2/g or less.

Abstract: A negative active material for a rechargeable lithium battery and a rechargeable lithium battery, the negative active material including secondary particles of agglomerated primary particles, the primary particles including Si particles with SiC on a surface of the Si particles; and an amorphous carbon surrounding the secondary particles, wherein a peak intensity ratio (ISi(111)/ISiC(111)) of a peak intensity (ISi(111))) at a Si (111) plane relative to a peak intensity (ISiC(111)) at a SiC (111) plane is about 5 to about 50 measured by X-ray diffraction analysis using a CuK? ray.