Title:
METAL-CARBON COMPOSITE ANODE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD FOR MANUFACTURING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2022/131873
Kind Code:
A1
Abstract:
The present disclosure relates to an anode active material for a lithium secondary battery and a secondary battery comprising same, the anode active material being obtained by a manufacturing method comprising the steps of: pulverizing a metal material into nanoparticles through a pulverization process; mixing and complexing an amorphous carbon precursor material, the metal particles, a conductive material, and a conductive additive to obtain a metal-carbon composite; and carbonizing the composite, wherein the conductive additive is carbon nanotubes, and the content of the carbon nanotubes is 0.2 to 2.3 weight% of the metal particles in the composite.
Inventors:
CHO MOONKYU (KR)
KIM YONG JUNG (KR)
WOO JUNG GYU (KR)
YOU SEUNG JAE (KR)
PARK SUN JONG (KR)
KANG EUN-TAE (KR)
KIM YONG JUNG (KR)
WOO JUNG GYU (KR)
YOU SEUNG JAE (KR)
PARK SUN JONG (KR)
KANG EUN-TAE (KR)
Application Number:
PCT/KR2021/019339
Publication Date:
June 23, 2022
Filing Date:
December 17, 2021
Export Citation:
Assignee:
POSCO (KR)
RES INST IND SCIENCE & TECH (KR)
RES INST IND SCIENCE & TECH (KR)
International Classes:
H01M4/36; H01M4/38; H01M4/587; H01M4/62; H01M10/052
Foreign References:
| KR20160002281A | 2016-01-07 | |||
| KR20140085822A | 2014-07-08 | |||
| JP6263823B2 | 2018-01-24 | |||
| US20200354222A1 | 2020-11-12 | |||
| US10629895B2 | 2020-04-21 | |||
| KR102194750B1 | 2020-12-23 |
Attorney, Agent or Firm:
YOU ME PATENT AND LAW FIRM (KR)
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