Invention Grant
- Patent Title: Negative active material including silicon active particles surrounded by copper, aluminum and tin metal matrix and rechargeable lithium battery including the same
- Patent Title (中): 负极活性物质包括由铜，铝和锡金属基体包围的硅活性粒子和包含其的可再充电锂电池
-
Application No.: US11987135Application Date: 2007-11-27
-
Publication No.: US08574764B2Publication Date: 2013-11-05
- Inventor: Min-Seok Sung , Sang-Jin Kim , Goo-Jin Jeong , Yong-Mook Kang
- Applicant: Min-Seok Sung , Sang-Jin Kim , Goo-Jin Jeong , Yong-Mook Kang
- Applicant Address: KR Giheung-gu, Yongin-si, Gyeonggi-do
- Assignee: Samsung SDI Co., Ltd.
- Current Assignee: Samsung SDI Co., Ltd.
- Current Assignee Address: KR Giheung-gu, Yongin-si, Gyeonggi-do
- Agent Robert E. Bushnell, Esq.
- Priority: KR10-2006-0117967 20061127
- Main IPC: H01M4/00
- IPC: H01M4/00 ; H01M4/13 ; H01M4/58
Abstract:
A negative active material for a rechargeable lithium battery includes Si active particles, and a 3-component to 7-component metal matrix that surrounds the active fine particles without reacting therewith. The negative active material shows high capacity and improved cycle-life characteristics.
Public/Granted literature
Information query
