公开(公告)号：US20180233739A1

公开(公告)日：2018-08-16

申请号：US15751350

申请日：2016-11-30

申请人： LG CHEM, LTD.

发明人： Byung Chun PARK ,  Wang Mo JUNG ,  Young Cheol CHOI ,  Ju Kyung SHIN ,  Sang Min PARK ,  Sang Wook LEE

IPC分类号： H01M4/36 ,  C01G53/00 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525

摘要： The present invention provides a positive electrode active material for a secondary battery, the positive electrode active material including a lithium composite metal oxide particle represented by Formula 1 below, and a secondary battery including the same. LiaNi1−x−yCoxM1yM2zM3wO2  [Formula 1] In Formula 1,M1 is a metal element whose surface energy (ΔEsurf) calculated by Equation 1 below is −0.5 eV or higher, M2 is a metal element whose surface energy (ΔEsurf) calculated by Equation 1 below is −1.5 eV or higher and less than −0.5 eV, M3 is a metal element whose surface energy (ΔEsurf) calculated by Equation 1 below is less than −1.5 eV, and 1.0≤a≤1.5, 0

公开(公告)号：US20180047974A1

公开(公告)日：2018-02-15

申请号：US15553319

申请日：2016-11-24

申请人： LG Chem, Ltd.

发明人： Chi Ho JO ,  Sin Young PARK ,  Wang Mo JUNG ,  Byung Chun PARK ,  So Ra BAEK

IPC分类号： H01M4/131 ,  H01M10/052 ,  H01M4/525 ,  H01M4/04 ,  H01M4/505

CPC分类号： H01M4/131 ,  H01M4/0402 ,  H01M4/1391 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/622 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/028 ,  Y02T10/7011

摘要： In the present invention is provided a positive electrode active material for a secondary battery, wherein the positive electrode active material includes a core including a lithium composite metal oxide, and a surface treatment layer positioned on the surface of the core, and the surface treatment layer includes a porous coordination polymer in which a central metal ion is coordinate-bonded with an organic ligand such that high electrode density may be exhibited when an electrode is manufactured, and consequently, battery properties may be significantly enhanced. Also provided are a positive electrode, which is for a secondary battery and includes the positive electrode active material, and a secondary battery.