Title:
CARBON-COATED LITHIUM IRON PHOSPHATE WITH OLIVINE CRYSTAL STRUCTURE AND LITHIUM SECONDARY BATTERY USING THE SAME
Document Type and Number:
WIPO Patent Application WO/2011/132959
Kind Code:
A2
Abstract:
The present invention provides a lithium iron phosphate with an olivine crystal structure, and specifically an olivine-type lithium iron phosphate wherein the lithium iron phosphate has a composition represented by the following Formula 1 and carbon (C) including a predetermined amount of sulfur (S) is coated on the particle surface of the lithium iron phosphate. Li1+aFe1-xMx(PO4-b)Xb (1) (wherein, M, X, a, x, and b are the same as defined in the Description).
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Inventors:
NOH, Hyun Kuk (209-405, Expo Apt.Jeonmin-dong, Yuseong-gu, Daejeon 305-761, 305-761, KR)
노현국 (대전광역시 유성구 전민동 엑스포아파트 209동 405호, 305-761 Daejeon, 305-761, KR)
PARK, Hong Kyu (3 Songrimmaeul Apt, Hagi-dong Yuseong-gu, Daejeon 305-759, 305-759, KR)
박홍규 (대전광역시 유성구 하기동 송림마을아파트 301동 1306호, 305-759 Daejeon, 305-759, KR)
PARK, Cheol-Hee (101-309, Expo Apt.Jeonmin-dong, Yuseong-gu, Daejeon 305-761, 305-761, KR)
노현국 (대전광역시 유성구 전민동 엑스포아파트 209동 405호, 305-761 Daejeon, 305-761, KR)
PARK, Hong Kyu (3 Songrimmaeul Apt, Hagi-dong Yuseong-gu, Daejeon 305-759, 305-759, KR)
박홍규 (대전광역시 유성구 하기동 송림마을아파트 301동 1306호, 305-759 Daejeon, 305-759, KR)
PARK, Cheol-Hee (101-309, Expo Apt.Jeonmin-dong, Yuseong-gu, Daejeon 305-761, 305-761, KR)
Application Number:
KR2011/002876
Publication Date:
October 27, 2011
Filing Date:
April 21, 2011
Export Citation:
Assignee:
LG CHEM, LTD. (20 Yoido-dong, Youngdungpo-gu, Seoul 150-721, 150-721, KR)
주식회사 엘지화학 (서울특별시 영등포구 여의도동 20번지, 150-721 Seoul, 150-721, KR)
NOH, Hyun Kuk (209-405, Expo Apt.Jeonmin-dong, Yuseong-gu, Daejeon 305-761, 305-761, KR)
노현국 (대전광역시 유성구 전민동 엑스포아파트 209동 405호, 305-761 Daejeon, 305-761, KR)
PARK, Hong Kyu (3 Songrimmaeul Apt, Hagi-dong Yuseong-gu, Daejeon 305-759, 305-759, KR)
박홍규 (대전광역시 유성구 하기동 송림마을아파트 301동 1306호, 305-759 Daejeon, 305-759, KR)
주식회사 엘지화학 (서울특별시 영등포구 여의도동 20번지, 150-721 Seoul, 150-721, KR)
NOH, Hyun Kuk (209-405, Expo Apt.Jeonmin-dong, Yuseong-gu, Daejeon 305-761, 305-761, KR)
노현국 (대전광역시 유성구 전민동 엑스포아파트 209동 405호, 305-761 Daejeon, 305-761, KR)
PARK, Hong Kyu (3 Songrimmaeul Apt, Hagi-dong Yuseong-gu, Daejeon 305-759, 305-759, KR)
박홍규 (대전광역시 유성구 하기동 송림마을아파트 301동 1306호, 305-759 Daejeon, 305-759, KR)
International Classes:
H01M4/525; B60L11/18; H01M4/583; H01M10/0525
Attorney, Agent or Firm:
SOHN, Chang Kyu (1403, Seongji Heights 2-cha Bldg.642-16, Yoksam 1-dong, Kangnam-gu, Seoul 135-910, 135-910, KR)
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Claims: