Invention Grant
US08709653B2 Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
有权
用于可再充电锂电池的负极活性材料，其制备方法以及包含该锂电池的可再充电锂电池
- Patent Title: Negative active material for a rechargeable lithium battery, a method of preparing the same, and a rechargeable lithium battery comprising the same
- Patent Title (中): 用于可再充电锂电池的负极活性材料，其制备方法以及包含该锂电池的可再充电锂电池
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Application No.: US11077377Application Date: 2005-03-08
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Publication No.: US08709653B2Publication Date: 2014-04-29
- Inventor: Sang-Min Lee , Goo-Jin Jeong , Sung-Soo Kim , Yoshiaki Nitta
- Applicant: Sang-Min Lee , Goo-Jin Jeong , Sung-Soo Kim , Yoshiaki Nitta
- 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: KR10-2004-0015478 20040308; KR10-2004-0015479 20040308
- Main IPC: H01M4/13
- IPC: H01M4/13 ; H01M4/02
Abstract:
The present invention relates to a negative active material for a rechargeable lithium battery, which includes a silicon-based composite having a silicon oxide of the form SiOX where x≦1.5 and at least one element selected from the group consisting of B, P, Li, Ge, Al, and V, and a carbonaceous material. The negative active material of the present invention can improve the cycle-life and high-rate charge/discharge characteristics of a rechargeable lithium battery.
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