公开(公告)号：US20240154116A1

公开(公告)日：2024-05-09

申请号：US18383728

申请日：2023-10-25

Applicant: LG Energy Solution, Ltd.

Inventor： Joon Hyeon Kang ,  Sang Mun Na ,  O Jong Kwon ,  Geum Jae Han

IPC: H01M4/58 ,  H01M10/052

CPC classification number: H01M4/58 ,  H01M10/052 ,  H01M2004/028

Abstract: A lithium secondary battery and a manufacturing method thereof, wherein the lithium secondary battery includes a positive electrode, a negative electrode, a separator interposed between the positive electrode and the negative electrode, and an electrolyte, wherein the positive electrode includes a lithium iron phosphate-based compound having an amorphous-content index (AI) of 0.28 or less, preferably 0.20 to 0.28, and more preferably 0.20 to 0.27, as defined by the disclosed Equation (1).