Title:
ANODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2020/111446
Kind Code:
A1
Abstract:
One embodiment of the present invention provides an anode active material for a lithium secondary battery, which is a porous silicon-carbon composite which has a plurality of nano-silicon particles embedded in a carbon-based material and has a plurality of pores, wherein the carbon-based material comprises graphite particles, soft carbon, hard carbon, or a combination thereof, and with respect to 100% by weight of the porous silicon-carbon composite, a weight ratio of the graphite particles to the soft carbon, the hard carbon, or a combination thereof is 1:5 to 5:1.
Inventors:
KIM YOUG JUNG (KR)
YOU SEUNG JAE (KR)
KANG EUN-TAE (KR)
WOO JUNG GYU (KR)
YOU SEUNG JAE (KR)
KANG EUN-TAE (KR)
WOO JUNG GYU (KR)
Application Number:
PCT/KR2019/010322
Publication Date:
June 04, 2020
Filing Date:
August 13, 2019
Export Citation:
Assignee:
POSCO (KR)
RES INST IND SCIENCE & TECH (KR)
RES INST IND SCIENCE & TECH (KR)
International Classes:
H01M4/36; C01B32/21; C01B33/02; H01M4/38; H01M4/587; H01M4/62; H01M10/052
Foreign References:
| KR20160078720A | 2016-07-05 | |||
| KR20160089181A | 2016-07-27 | |||
| KR20170117392A | 2017-10-23 | |||
| KR20180070302A | 2018-06-26 | |||
| KR20130075339A | 2013-07-05 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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