- Patent Title: Positive active material, preparing method thereof, positive electrode for lithium secondary battery including the same, and lithium secondary battery employing the same
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Application No.: US14610804Application Date: 2015-01-30
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Publication No.: US09601765B2Publication Date: 2017-03-21
- Inventor: Sang-Woo Cho , Yong-Chan You , Chang-Wook Kim , Sang-In Park
- Applicant: Samsung SDI Co., Ltd.
- Applicant Address: KR Yongin-si, Gyeonggi-do
- Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee: SAMSUNG SDI CO., LTD.
- Current Assignee Address: KR Yongin-si, Gyeonggi-do
- Agency: Knobbe Martens Olson & Bear LLP
- Priority: KR10-2014-0022182 20140225
- Main IPC: H01M10/052
- IPC: H01M10/052 ; H01M4/36 ; H01M4/525 ; H01M4/131 ; H01M4/1391 ; H01M4/04 ; H01M4/505 ; H01M4/62 ; H01M4/02
Abstract:
Provided are a positive active material that has a decreased amount of Li-containing impurities that remain on a lithium transition metal composite oxide surface to decrease an amount of gas generation and has improved lifespan properties, a method of preparing the same, a positive electrode for a lithium secondary battery including the positive active material, and a lithium secondary battery including the same.
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