Title:
NEGATIVE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY AND RECHARGEABLE LITHIUM BATTERY INCLUDING SAME
Document Type and Number:
WIPO Patent Application WO/2018/012821
Kind Code:
A1
Abstract:
A negative active material for a rechargeable lithium battery and a rechargeable lithium battery including the same are disclosed, and the negative active material includes a primary particle of a crystalline carbon-based material and secondary particle that is an assembly of the primary particles, wherein a ratio of an average particle diameter (D50) of the secondary particle relative to an average particle diameter (D50) of the primary particle (average particle diameter (D50) of the secondary particle/average particle diameter (D50) of the primary particle) ranges from about 1.5 to about 5 and an aspect ratio of the primary particle ranges from about 1 to about 7.
Inventors:
AHN JI WOO (KR)
KIM DONGWOO (KR)
NAH JAEHOU (KR)
CHANG BUMJIN (KR)
CHA YURIM (KR)
CHOI YEONJOO (KR)
CHOI ILYOUNG (KR)
KIM DONGWOO (KR)
NAH JAEHOU (KR)
CHANG BUMJIN (KR)
CHA YURIM (KR)
CHOI YEONJOO (KR)
CHOI ILYOUNG (KR)
Application Number:
PCT/KR2017/007348
Publication Date:
January 18, 2018
Filing Date:
July 10, 2017
Export Citation:
Assignee:
SAMSUNG SDI CO LTD (KR)
International Classes:
H01M4/587; H01M4/133; H01M4/36; H01M4/38; H01M10/0525
Domestic Patent References:
| WO2016018023A1 | 2016-02-04 |
Foreign References:
| KR20140022682A | 2014-02-25 | |||
| KR20120138855A | 2012-12-27 | |||
| JP2012212561A | 2012-11-01 | |||
| KR20170048210A | 2017-05-08 |
Attorney, Agent or Firm:
PANKOREA PATENT AND LAW FIRM (KR)
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