HIGH ENERGY DENSITY LITHIUM SECONDARY BATTERY HAVING ENHANCED ENERGY DENSITY CHARACTERISTIC

摘要

The present invention relates to a high energy density lithium secondary battery comprising: an anode, as an anode active material, having a first anode active material having a bed structure indicated by chemical formula 1 of the description, and a second anode active material having a spinel structure indicated by chemical formula 2 of the description, wherein the content of the first anode active material is 40-100 wt% of the total weight of the anode active material; a cathode, as a cathode active material, having a crystalline graphite with a specific surface area per capacity of 0.005-0.013 m2/mAh; and a separating film.