Title:
ANODE ACTIVE MATERIAL FOR SECONDARY BATTERY, ANODE COMPRISING SAME, AND METHOD FOR MANUFACTURING SAME
Document Type and Number:
WIPO Patent Application WO/2020/130465
Kind Code:
A1
Abstract:
The present invention relates to an anode active material for a secondary battery, which has improved cycle swelling properties and rapid charge performance, an anode comprising same, and a method for manufacturing same. The anode active material is a mixture of artificial graphite and spherical natural graphite, wherein the spherical natural graphite has an average particle diameter (D 50) of 12㎛ or less, with D 90-D 10 value ranging from 5 to 12㎛.
Inventors:
CHOI HEE WON (KR)
KIM JE YOUNG (KR)
WOO SANG WOOK (KR)
PIAO LI LIN (KR)
KIM JE YOUNG (KR)
WOO SANG WOOK (KR)
PIAO LI LIN (KR)
Application Number:
PCT/KR2019/017411
Publication Date:
June 25, 2020
Filing Date:
December 10, 2019
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/36; H01M4/133; H01M4/587; H01M10/0525
Domestic Patent References:
| WO2018097212A1 | 2018-05-31 |
Foreign References:
| KR20180130182A | 2018-12-07 | |||
| KR20150073107A | 2015-06-30 | |||
| KR20180085928A | 2018-07-30 | |||
| JP2007324067A | 2007-12-13 | |||
| KR20180163075A | 2018-12-17 | |||
| KR20150073107A | 2015-06-30 |
Other References:
See also references of EP 3770999A4
Attorney, Agent or Firm:
KIM, Hong Gyun (KR)
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