Lg Chem, Ltd

Min Sun Cho

Jae Hyun Lee

Min Hee Lee

Geun Chang Chung

Sin Kyu Kim

Seung Ryul Choi

Won Hee Jeong

Disclosed herein is a lithium secondary battery including a positive electrode including lithium iron phosphate and layered lithium nickel manganese cobalt oxide as a positive electrode active material and a negative electrode including a negative electrode active material having a potential difference of 3.10 V or higher from the lithium iron phosphate at a point of 50% state of charge (SOC) afforded by the entirety of the lithium iron phosphate.

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Daejeon, South Korea

Min Sun Cho