- Patent Title: Precursor of cathode active material for a lithium secondary battery, method for manufacturing the precursor, cathode active material, and lithium secondary battery including the cathode active material
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Application No.: US14347193Application Date: 2012-09-24
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Publication No.: US09608265B2Publication Date: 2017-03-28
- Inventor: Jun Ho Song , Young Jun Kim , Jae-Hun Kim
- Applicant: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
- Applicant Address: KR Seongnam-si, Gyeonggi-do
- Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
- Current Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
- Current Assignee Address: KR Seongnam-si, Gyeonggi-do
- Agency: Hauptman Ham, LLP
- Priority: KR10-2011-0097057 20110926
- International Application: PCT/KR2012/007652 WO 20120924
- International Announcement: WO2013/048071 WO 20130404
- Main IPC: H01M4/48
- IPC: H01M4/48 ; H01M4/485 ; H01M4/505 ; H01M4/525 ; C01D15/02 ; C01G53/04 ; C01G53/00
Abstract:
Disclosed are a precursor of a positive active material for a rechargeable lithium battery and a preparation method thereof, and a positive active material and a rechargeable lithium battery including the same, and specifically a precursor for a rechargeable lithium battery is represented by the following Chemical Formula 1, wherein a manganese ion concentration deviation in the precursor is within 3 wt %. NixCoyMn1−x−y−zMz(OH)2 [Chemical Formula 1] (0
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