Invention Grant
- Patent Title: Positive electrode including particles having bimodal size distribution for lithium secondary battery and lithium secondary battery having the same
- Patent Title (中): 包括具有锂二次电池的双峰尺寸分布的颗粒和具有其的锂二次电池的正极
-
Application No.: US11410053Application Date: 2006-04-25
-
Publication No.: US08691445B2Publication Date: 2014-04-08
- Inventor: Jung Joon Park , Jae Chul Um , Myung Hyo Shin
- Applicant: Jung Joon Park , Jae Chul Um , Myung Hyo Shin
- Applicant Address: KR Yongin-si
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Yongin-si
- Agency: Christie, Parker & Hale, LLP
- Priority: KR10-2005-35472 20050428
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/48 ; H01M4/58 ; H01M4/505 ; H01M4/525
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
- US20060263691A1 Positive electrode for lithium secondary battery and lithium secondary battery having the same Public/Granted day:2006-11-23
Information query
