公开(公告)号：EP3733609A1

公开(公告)日：2020-11-04

申请号：EP20167401.7

申请日：2020-03-31

申请人： Samsung SDI Co., Ltd. ,  Seoul National University R & DB Foundation

发明人： CHO, Kwanghwan ,  LEE, Kyu Tae ,  KIM, Hanseul ,  DOO, Sung Wook ,  KIM, Seongmin

IPC分类号： C01G53/00 ,  H01M4/00 ,  H01M4/505 ,  H01M4/525

摘要： Disclosed are a positive active material for a rechargeable lithium battery including a nickel-based lithium metal oxide having a layered crystal structure and a coating layer including a lithium-metal oxide selectively disposed on (003) crystalline plane of the nickel-based lithium metal oxide, wherein the nickel-based lithium metal oxide exists as single particles, a method of preparing the same, and a rechargeable lithium battery including the positive active material.

公开(公告)号：EP3733610A1

公开(公告)日：2020-11-04

申请号：EP20167417.3

申请日：2020-03-31

申请人： Samsung SDI Co., Ltd. ,  Seoul National University R & DB Foundation

发明人： CHO, Kwanghwan ,  LEE, Kyu Tae ,  KIM, Hanseul ,  DOO, Sung Wook ,  KIM, Seongmin

IPC分类号： C01G53/00 ,  H01M4/00

摘要： Disclosed are a positive active material for a rechargeable lithium battery including a nickel-based lithium metal oxide having a layered crystal structure and a coating layer including a lithium-metal oxide selevtively disposed on (003) crystalline plane of the nickel-based lithium metal oxide, wherein the positive active material includes at least one secondary particle including an agglomerate of two or more primary particles, a method of preparing the same, and a rechargeable lithium battery including the positive active material.