Invention Grant
- Patent Title: Negative active material, and negative electrode and lithium battery each including the negative active material
- Patent Title (中): 负极活性物质，负极和锂电池各自包含负极活性物质
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Application No.: US14134313Application Date: 2013-12-19
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Publication No.: US09105922B2Publication Date: 2015-08-11
- Inventor: Yu-Jeong Cho , Sang-Eun Park , So-Ra Lee , Su-Kyung Lee , Ui-Song Do , Chang-Su Shin , Jae-Myung Kim
- 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: Christie, Parker & Hale, LLP
- Priority: KR10-2013-0016598 20130215
- Main IPC: H01M4/38
- IPC: H01M4/38 ; H01M4/36 ; H01M4/62 ; B82Y99/00 ; H01M10/0525
Abstract:
A negative active material and a lithium battery are provided. The negative active material includes a composite core, and a coating layer formed on at least part of the composite core. The composite core includes a carbonaceous base and a metal/metalloid nanostructure disposed on the carbonaceous base. The coating layer includes a metal oxide coating layer and an amorphous carbonaceous coating layer.
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