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Patent Searching and Data


Title:
ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY AND ANODE FOR LITHIUM SECONDARY BATTERY INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2017/111542
Kind Code:
A1
Abstract:
The present invention relates to an anode active material for a lithium secondary battery, an anode including the same, and a lithium secondary battery having the same, the anode active material comprising: (A) a first artificial graphite of which the average particle diameter (D50) is 15 μm to 20 μm; and (B) a second artificial graphite of which the average particle diameter (D50) is 3 μm to 5 μm, wherein the first artificial graphite (A) comprises second artificial graphite particles, in which one or more first artificial graphite particles are aggregated, and a carbon coating layer, and the weight ratio of the first artificial graphite and the second artificial graphite is 85:15 to 95:5.

Inventors:
CHOI HEE WON (KR)
WOO SANG WOOK (KR)
JUNG DONG SUB (KR)
KIM DONG HYUK (KR)
KIM EUN KYUNG (KR)
Application Number:
KR2016/015195
Publication Date:
June 29, 2017
Filing Date:
December 23, 2016
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/587; H01M4/02; H01M4/133; H01M4/36; H01M10/052
Foreign References:
JP2013030355A2013-02-07
JPH0927314A1997-01-28
KR101283962B12013-07-09
JP3084256B22000-09-04
KR20140147240A2014-12-30
Other References:
See also references of EP 3297073A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
특허법인 태평양 (KR)
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