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.: US13623570Application Date: 2012-09-20
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Publication No.: US09331329B2Publication Date: 2016-05-03
- Inventor: Sang Hoon Choy , Yong Tae Lee , Hong Kyu Park , Sung-Kyun Chang
- 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: KR10-2010-0036760 20100421
- Main IPC: H01M4/02
- IPC: H01M4/02 ; H01M4/36 ; H01M4/52 ; H01M4/131 ; B60L11/18 ; H01M4/58 ; C01B25/45 ; H01M4/62 ; C01B25/37 ; H01M10/052
Abstract:
Disclosed is a lithium iron phosphate with 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 surface of the lithium iron phosphate by chemical bonding via a heterogeneous element other than carbon. 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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