公开(公告)号：US20140147727A1

公开(公告)日：2014-05-29

申请号：US14087697

申请日：2013-11-22

Applicant: LG CHEM, LTD.

Inventor： Jung Hwan PARK ,  Hyun Seok LEE ,  Youn Kyoung LEE ,  Ji Hee AHN ,  Hoe Jin HAH

IPC: H01M4/36

CPC classification number: H01M4/364 ,  C01G45/02 ,  C01G45/1257 ,  C01G53/42 ,  C01P2004/80 ,  C01P2004/82 ,  C01P2006/40 ,  H01M4/131 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/625 ,  H01M10/052 ,  H01M2220/20 ,  Y02E60/122

Abstract: Provided are a cathode active material having high capacity and excellent lifetime characteristics as well as being inexpensive by mixing transition metal oxide having high irreversible capacity with composite dimensional manganese oxide (CDMO) of the following Chemical Formula 1, which has high capacity and good lifetime characteristics but is difficult to be charged and discharged by being used alone, and a lithium secondary battery including the cathode active material: xMnO2·(1−x)Li2MnO3(0

Abstract translation: 本发明提供具有高容量且寿命特性优异的正极活性物质，并且通过将具有高不可逆容量的过渡金属氧化物与具有高容量和良好寿命特性的复合尺寸氧化锰（CDMO）混合而成本低廉 但难以单独使用而充放电，包含正极活性物质的锂二次电池为xMnO 2·（1-x）Li 2 MnO 3（0