Invention Grant
- Patent Title: Positive electrode for lithium secondary battery and lithium secondary battery having the same
-
Application No.: US14172879Application Date: 2014-02-04
-
Publication No.: US09786904B2Publication Date: 2017-10-10
- Inventor: Jung Joon Park , Jae Chul Um , Myung Hyo Shin
- 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
- Priority: KR2005-35472 20050428
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/131 ; H01M4/1315 ; H01M4/485 ; H01M4/505 ; H01M4/525 ; H01M4/62 ; H01M10/0525 ; H01M4/02
Abstract:
A positive electrode for a lithium secondary battery includes a positive activation material mixture that intercalates and de-intercalates lithium ions, wherein a first positive activation material having an average particle diameter D50 of from 12.5 μm to 22 μm and a second positive activation material having an average particle diameter D50 of from 1 μm to 5 μm are mixed with a weight ratio of from 95:5 to 60:40.
Public/Granted literature
- US20140154580A1 POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY AND LITHIUM SECONDARY BATTERY HAVING THE SAME Public/Granted day:2014-06-05
Information query
