Invention Grant
- Patent Title: Carbon-coated lithium iron phosphate of olivine crystal structure and lithium secondary battery using the same
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Application No.: US14251333Application Date: 2014-04-11
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Publication No.: US09812707B2Publication Date: 2017-11-07
- Inventor: Hyun Kuk Noh , Hong Kyu Park , Cheol-Hee Park , Su-min Park , JiEun Lee
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2010-0037079 20100421
- Main IPC: H01M4/36
- IPC: H01M4/36 ; H01M4/04 ; C01B25/45 ; C01B25/30 ; C01B25/26 ; H01M4/58 ; H01M4/1397
Abstract:
Disclosed is lithium iron phosphate having an olivine crystal structure, wherein the lithium iron phosphate has a composition represented by the following Formula 1 and carbon (C) is coated on the particle surface of the lithium iron phosphate containing a predetermined amount of sulfur (S). Li1+aFe1−xMx(PO4−b)Xb (1) (wherein M, X, a, x, and b are the same as defined in the specification).
Public/Granted literature
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