▎ 摘　　要

NOVELTY - Anode active material comprises a core portion comprising a solid electrolyte and a shell portion encapsulating the core portion and comprising a silicon-based active material. USE - Anode active material used in lithium secondary battery (claimed). Uses include but are not limited to used as power source of mobile electronic device such as camcorder, mobile phone, laptop and environmentally-friendly vehicle such as electric vehicle. ADVANTAGE - The anode active material has improved life-span and energy density. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a lithium secondary battery. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic top plan view of the lithium secondary battery. 107Cathode lead 127Anode lead 150Electrode assembly 160Case