The height with the power density properties of enhancing exports lithium secondary battery

The invention discloses a kind of high output lithium secondary battery, comprise: positive pole, described positive pole comprise to be represented by the formula 1 of specification and have layer structure the first positive electrode active materials and represented by the formula 2 of specification and second positive electrode active materials with spinel structure as positive electrode active materials, wherein based on the total weight of described positive electrode active materials, the amount of described second positive electrode active materials is 40 ~ 100 % by weight; Negative pole, described negative pole comprises crystalline graphite and amorphous carbon as negative active core-shell material, and wherein based on the total weight of described negative active core-shell material, the amount of described amorphous carbon is 40 ~ 100 % by weight; And barrier film.