Invention Grant
- Patent Title: Composite positive active material, method of preparing the same, and positive electrode and lithium battery containing the material
- Patent Title (中): 复合正极活性物质,其制备方法,以及含有该材料的正极和锂电池
-
Application No.: US13957351Application Date: 2013-08-01
-
Publication No.: US09570739B2Publication Date: 2017-02-14
- Inventor: Jay-Hyok Song , Jun-Seok Park , Evgeniya Matulevich , Chang-Wook Kim , Yong-Chan You , Sun-Ho Kang
- Applicant: Samsung SDI Co., Ltd.
- Applicant Address: KR Yongin-si
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: Lewis Roca Rothgerber Christie LLP
- Main IPC: H01M4/13
- IPC: H01M4/13 ; H01M4/58 ; H01M4/50 ; H01M4/00 ; H01M4/485 ; H01M4/505 ; H01M4/525 ; H01M4/1315 ; C01G45/12 ; C01G53/00 ; H01M4/1391

Abstract:
A composite positive active material including an over-lithiated lithium transition metal oxide, the over-lithiated transition metal oxide including a compound represented by Formula 1 or Formula 3: [Formula 1] xLi2-yM″yMO3-(1-x)LiM′O2, [Formula 3] xLi2-yM″yMO3-x′LiM′O2-x″Li1+dM′″2-dO4, x+x′+x″=1, 0
Public/Granted literature
Information query