Title:
ANODE ACTIVE MATERIAL, LITHIUM SECONDARY BATTERY INCLUDING SAME, AND MANUFACTURING METHOD FOR ANODE ACTIVE MATERIAL
Document Type and Number:
WIPO Patent Application WO/2014/084679
Kind Code:
A1
Abstract:
The present invention relates to an anode active material including a core-shell composite, a lithium secondary battery including the same and a manufacturing method for the anode active material. One aspect of the present invention provides a core-shell anode active material which has a core part including (quasi) metal oxide-Li alloyed MOx-Liy and a shell part including a carbon material coated on the surface of the core part. Another aspect of the present invention provides a method for manufacturing the core-shell anode active material. The anode active material, according to the one aspect of the present invention, has high capacity, excellent cycle characteristics and volume expansion control capabilities, and high initial efficiency.
More Like This:
Inventors:
LEE YONG-JU (KR)
KANG YOON-AH (KR)
LEE MI-RIM (KR)
KIM JE-YOUNG (KR)
JUNG HYE-RAN (KR)
KANG YOON-AH (KR)
LEE MI-RIM (KR)
KIM JE-YOUNG (KR)
JUNG HYE-RAN (KR)
Application Number:
PCT/KR2013/011033
Publication Date:
June 05, 2014
Filing Date:
November 29, 2013
Export Citation:
Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/587; H01M4/133; H01M4/583; H01M10/052
Domestic Patent References:
| WO2012158608A1 | 2012-11-22 | |||
| WO2010058990A2 | 2010-05-27 |
Foreign References:
| US7776473B2 | 2010-08-17 | |||
| KR20120124779A | 2012-11-14 | |||
| US6991874B1 | 2006-01-31 |
Other References:
See also references of EP 2840634A4
Attorney, Agent or Firm:
PHIL & ONZI INT'L PATENT & LAW FIRM (KR)
특허법인 필앤온지 (KR)
특허법인 필앤온지 (KR)
Download PDF: