NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPRISING NEGATIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE

Title:

NEGATIVE ELECTRODE ACTIVE MATERIAL, NEGATIVE ELECTRODE COMPRISING NEGATIVE ELECTRODE ACTIVE MATERIAL, AND SECONDARY BATTERY COMPRISING NEGATIVE ELECTRODE

Document Type and Number:

WIPO Patent Application WO/2018/208111

Kind Code:

A1

Abstract:

The present invention relates to a negative electrode active material, a negative electrode comprising the same, and a lithium secondary battery, wherein the negative electrode active material corresponds to secondary particles each comprising primary particles each comprising: a core containing SiOx(0≤x<2); a middle layer covering at least a part of a surface of the core and containing silicon nitride, silicon oxynitride, or a mixture thereof; and a carbon coating layer covering at least a part of the middle layer and containing nitrogen-doped carbon.

Inventors:

CHOI JUNG HYUN (KR)
LEE YONG JU (KR)
KIM DONG HYUK (KR)
KIM EUN KYUNG (KR)
JO RAE HWAN (KR)
OH IL GEUN (KR)

Application Number:

PCT/KR2018/005407

Publication Date:

November 15, 2018

Filing Date:

May 10, 2018

Export Citation:

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Assignee:

LG CHEMICAL LTD (KR)

International Classes:

H01M4/36; H01M4/485; H01M4/62; H01M10/0525

Foreign References:

KR20170004673A	2017-01-11
KR20140107926A	2014-09-05
US20150221950A1	2015-08-06
US20060147797A1	2006-07-06
KR20160115270A	2016-10-06
KR20170059577A	2017-05-31
KR20160149862A	2016-12-28

Other References: