专利检索 ap:("POSCO" OR "RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY") AND inv:"Jong II PARK" 第 1 页

1.

发明公开
POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME, AND LITHIUM ION BATTERY INCLUDING SAME 审中-公开

公开(公告)号：US20240270600A1

公开(公告)日：2024-08-15

申请号：US18268805

申请日：2021-12-20

申请人： POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO CHEMICAL CO., LTD

发明人： Ohmin KWON , Kwon Young CHOI , Sang Hyuk LEE , Jung Hoon SONG , Jong II PARK , Sang Cheol NAM , Inchul PARK , Geun HWANGBO

IPC分类号： C01G53/00 , H01M10/052

CPC分类号： C01G53/50 , H01M10/052 , C01P2002/01 , C01P2002/82 , C01P2002/85 , C01P2004/84

摘要： The present invention provides a positive electrode active material, its manufacturing method and a lithium secondary battery containing the same. The positive electrode active material for a lithium secondary battery of the present invention is a positive electrode active material for lithium secondary battery, comprising: a lithium metal oxide particle; and a coating layer positioned on at least part of the lithium metal oxide particle surface; wherein, the coating layer includes any one or more of group 5 elements and group 6 elements, B, LiOH, Li2CO3 and Li2SO4.

2.

发明公开
POSITIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, METHOD FOR MANUFACTURING SAME, AND RECHARGEABLE LITHIUM BATTERY COMPRISING SAME 审中-公开

公开(公告)号：US20240136515A1

公开(公告)日：2024-04-25

申请号：US18268033

申请日：2021-11-15

申请人： POSCO Holdings Inc. , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY , POSCO CHEMICAL CO., LTD

发明人： Sanghyuk LEE , Jong II PARK , Jung Hoon SONG , Sang Cheol NAM , Kwon Young CHOI , Inchul PARK , Ohmin KWON

IPC分类号： H01M4/525 , H01M4/36 , H01M4/485 , H01M4/505 , H01M4/88 , H01M10/052

CPC分类号： H01M4/525 , H01M4/364 , H01M4/485 , H01M4/505 , H01M4/8885 , H01M10/052 , H01M2004/028

摘要： A positive electrode active material for a lithium secondary battery, a manufacturing method thereof, and a lithium secondary battery including the same, wherein the positive electrode active material is a lithium nickel-based compound particle having a Ni content of 75 mol % or more, and a difference in concentration of Al between the center and the surface in the lithium nickel-based compound particle is less than 1 mol %.

3.

发明申请
POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PRODUCING SAME, AND LITHIUM SECONDARY BATTERY INCLUDING SAME 有权

公开(公告)号：US20230042412A1

公开(公告)日：2023-02-09

申请号：US17787225

申请日：2020-12-18

申请人： POSCO , RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY

发明人： Kwon Young CHOI , Sang Cheol AM , Jung Hoon SONG , Jong II PARK , Sang Hyuk LEE , Ohmin KWON , Inchul PARK

IPC分类号： H01M4/485 , H01M4/36 , H01M4/04 , H01M10/052

摘要： The present exemplary embodiments relate to a positive electrode active material, a manufacturing method thereof, and a lithium secondary battery including the same. A positive active material for a lithium secondary battery according to an exemplary embodiment is a lithium metal oxide particle in the form of secondary particles including a plurality of primary particles: a first coating layer positioned on at least a part of the surface of the primary particle, and a second coating layer positioned over at least a portion of the secondary particle surface, the first coating layer comprising a first niobium compound, the second coating layer comprising the first niobium compound and a second niobium compound having a composition different from the first niobium compound.