HIGH-POWER LITHIUM SECONDARY BATTERY HAVING IMPROVED OUTPUT DENSITY PROPERTIES

摘要

The present invention relates to a high-power lithium secondary battery comprising: an anode comprising a first anode active material having a layered structure and represented by chemical formula 1 in the specification, and a second anode active material having a spinel structure and represented by chemical formula 2, the anode comprising 40 to 100 wt % of said second active material based on the total amount of anode active material; a cathode comprising amorphous carbon having a capacity of at least 300 mAh/g; and a separator.