Title:
ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, AND PREPARATION METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/103499
Kind Code:
A1
Abstract:
The present invention relates to: an anode active material for a lithium secondary battery, capable of exhibiting excellent initial efficiency and lifespan characteristics since the anode active material comprises silicon-based particles represented by M-SiOx (M is Li, Mg, Ca, Al or Ti, and 0≤x<2), wherein the M-SiOx comprises 20-70 wt% of an amorphous phase; and a preparation method therefor.
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Inventors:
LEE YONG JU (KR)
JO RAE HWAN (KR)
LEE SU MIN (KR)
KIM DONG HYUK (KR)
PARK SE MI (KR)
JO RAE HWAN (KR)
LEE SU MIN (KR)
KIM DONG HYUK (KR)
PARK SE MI (KR)
Application Number:
PCT/KR2018/014473
Publication Date:
May 31, 2019
Filing Date:
November 22, 2018
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/36; C01B32/05; C01B33/113; C01B33/20; H01M4/485; H01M10/0525
Foreign References:
| JP2003192327A | 2003-07-09 | |||
| KR20140070482A | 2014-06-10 | |||
| KR20160125871A | 2016-11-01 | |||
| JP2017130368A | 2017-07-27 | |||
| KR20170036637A | 2017-04-03 | |||
| KR20170158624A | 2017-11-24 | |||
| KR20160149862A | 2016-12-28 |
Other References:
See also references of EP 3696893A4
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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