Invention Grant
- Patent Title: Carbon-coated lithium iron phosphate of olivine crystal structure and lithium secondary battery using the same
- Patent Title (中): 橄榄石晶体结构的碳涂覆磷酸铁锂和使用相同的锂二次电池
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Application No.: US13623458Application Date: 2012-09-20
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Publication No.: US08734676B2Publication Date: 2014-05-27
- 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: H01M4/06
- IPC: H01M4/06 ; H01M4/525
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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