公开(公告)号：US20130316097A1

公开(公告)日：2013-11-28

申请号：US13960267

申请日：2013-08-06

Applicant: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY

Inventor： Ji-Won CHOI ,  Seok-Jin YOON ,  Dong Wook SHIN

IPC: H01M4/131 ,  H01M4/1391 ,  H01M4/04

CPC classification number: H01M4/131 ,  H01M4/0428 ,  H01M4/0433 ,  H01M4/1391 ,  H01M4/485 ,  H01M4/505 ,  H01M10/0525

Abstract: A cathode thin film for a lithium secondary cell, which uses a cathode active material substituting Sn for Mn in lithium manganese oxide, has a high discharge capacity and an improved cycle property.