Title:
リチウム二次電池用負極活物質及びこれを含むリチウム二次電池用負極
Document Type and Number:
Japanese Patent JP6621926
Kind Code:
B2
Abstract:
The present invention relates to a negative electrode active material for a lithium secondary battery, which includes (A) first artificial graphite having an average particle diameter (D50) of 15 µm to 20 µm and (B) second artificial graphite having an average particle diameter (D50) of 3 µm to 5 µm, wherein the first artificial graphite (A) includes a secondary artificial graphite particle, in which at least one primary artificial graphite particle is agglomerated, and a carbon coating layer, and a weight ratio of the first artificial graphite to the second artificial graphite is in a range of 85:15 to 95:5, a negative electrode including the same, and a lithium secondary battery including the negative electrode.
Inventors:
Hee won choi
Sun Uk U
Don Suboo Jun
Dong Hyuk Kim
Eun Kyung Kim
Sun Uk U
Don Suboo Jun
Dong Hyuk Kim
Eun Kyung Kim
Application Number:
JP2018528931A
Publication Date:
December 18, 2019
Filing Date:
December 23, 2016
Export Citation:
Assignee:
LG HAUSYS,LTD.
International Classes:
H01M4/587; H01M4/133; H01M4/36
Domestic Patent References:
| JP2015225792A | ||||
| JP2003323895A | ||||
| JP2011216241A | ||||
| JP2002008661A | ||||
| JP10158005A | ||||
| JP2000243397A | ||||
| JP2013030355A | ||||
| JP3084256B2 | ||||
| JP9027314A |
Foreign References:
| WO2005078829A1 | ||||
| WO2014092141A1 | ||||
| KR101283962B1 |
Attorney, Agent or Firm:
Shinya Mitsuhiro
Takashi Watanabe
Takashi Watanabe