Abstract: Provided are an anode active material including a core portion that is porous spherical particles including metal particles and carbon, and a shell portion including one or more of crystalline carbon and amorphous carbon, in which the metal particles of the core portion are connected to each other through the carbon, and a coating layer including a polymer is provided on an outer surface of the shell portion, a method of preparing the same, and a lithium secondary battery including the same.

Abstract: Provided are an anode active material including a core including metal particles, and a shell layer formed on an outer portion of the core, in which the shell layer includes metal carbide particles and a carbon-based material, and a number density (number/?m2) of the metal carbide particles in the shell layer is 50 or more to 100 or less, a method of preparing the same, and a lithium secondary battery including the same.

Abstract: An anode active material for a lithium secondary battery includes a plurality of composites that each includes a core, and a first shell layer surrounding the core, and a second shell layer surrounding the plurality of composites. The composites may each include metal particles and carbon, and a distance between adjacent composites among the composites may be in a range of 80 nanometers (nm) to 300 nm.

Abstract: An anode active material for a lithium secondary battery includes a core portion, and a shell portion formed outside the core portion. The core portion may be a porous spherical particle including metal particles, the shell portion may include carbon, and a distance between metal particles in the core portion may satisfy the following formula: 0.6×(average value of major diameters of metal particles+average value of minor diameters of metal particles)?(distance between metal particles)?0.85×(average value of major diameters of metal particles+average value of minor diameters of metal particles).

Abstract: The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are connected in an entangled manner; and a shell layer covering the core, where the shell layer includes a carbon-based material and silicon, and the shell layer has a thickness in a range of more than 10 to less than 60% with respect to an average particle diameter D50 of the negative electrode active material.

Abstract: Vehicle and an object recognition method of the vehicle are disclosed. An object recognition method of a vehicle includes performing an object recognition of an emergency vehicle equipped with a warning light in a video recorded around the vehicle, performing a first warning light state recognition of the warning light by using a single frame of the video, performing a second warning light state recognition of the warning light by using a single frame of the video, and performing a third warning light state recognition based on a first result of the first warning light state recognition and a second result of the second warning light state recognition in a plurality of consecutive frames of the video.

Abstract: The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are connected in an entangled manner; and a shell layer covering the core, where the shell layer includes a carbon-based material and silicon.

Abstract: The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are connected in an entangled manner; and a shell layer covering the core, where the shell layer includes a carbon-based material and silicon, and the shell layer has a thickness in a range of more than 10 to less than 60% with respect to an average particle diameter D50 of the negative electrode active material.

Abstract: The present disclosure is directed to a negative electrode active material for lithium secondary batteries, to a method for preparing the same, and to a lithium secondary battery including the same, the negative electrode active material including a porous core in which scaly silicon fragments are connected in an entangled manner; and a shell layer covering the core, where the shell layer includes a carbon-based material and silicon.