- Patent Title: Composite negative active material, negative electrode including composite negative active material, and lithium secondary battery including negative electrode
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Application No.: US15072565Application Date: 2016-03-17
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Publication No.: US10249874B2Publication Date: 2019-04-02
- Inventor: Guesung Kim , Jinsoo Mun , Heechul Jung
- Applicant: Samsung Electronics Co., Ltd. , Samsung SDI Co., Ltd.
- Applicant Address: KR Gyeonggi-Do KR Gyeonggi-Do
- Assignee: SAMSUNG ELECTRONICS CO., LTD.,SAMSUNG SDI CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.,SAMSUNG SDI CO., LTD.
- Current Assignee Address: KR Gyeonggi-Do KR Gyeonggi-Do
- Agency: Cantor Colburn LLP
- Priority: KR10-2015-0137080 20150925
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/58 ; H01M4/04 ; H01M4/134 ; H01M4/1395 ; H01M4/38 ; H01M4/587 ; H01M4/62 ; H01M4/66 ; H01M10/0525 ; H01M10/0568 ; H01M10/0569 ; H01M10/0587 ; H01M10/052 ; H01M4/02
Abstract:
A composite negative active material including: a silicon-containing negative active material; and a non-metal doped metal phosphate, wherein the non-metal doped metal phosphate includes two or more metals. Also a negative electrode including the composite negative active material, and a lithium secondary battery including the negative electrode
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