Invention Grant
- Patent Title: Negative active material for rechargeable lithium battery and rechargeable lithium battery
- Patent Title (中): 可充电锂电池和可充电锂电池的负极活性物质
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Application No.: US13074316Application Date: 2011-03-29
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Publication No.: US09054365B2Publication Date: 2015-06-09
- Inventor: Sumihito Ishida , Kyeu-Yoon Sheem , Eui-Hwan Song
- Applicant: Sumihito Ishida , Kyeu-Yoon Sheem , Eui-Hwan Song
- 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: KR10-2010-0105406 20101027
- Main IPC: H01M4/134
- IPC: H01M4/134 ; H01M4/58 ; C01B31/36 ; H01M4/38 ; H01M4/583 ; H01M4/36 ; H01M10/052 ; H01M4/1395 ; H01M4/04
Abstract:
A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same. The active material includes a silicon-containing compound represented by the following Chemical Formula 1 where Si exists with a concentration gradient from the surface to the center of the negative active material: SiCx [Chemical Formula 1] where 1, 0.05≦x≦1.5.
Public/Granted literature
- US20120107693A1 NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY Public/Granted day:2012-05-03
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