METHOD FOR PRODUCING POSITIVE ACTIVE MATERIAL PRECURSOR AND POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, EXHIBITING CONCENTRATION GRADIENT, AND POSITIVE ACTIVE MATERIAL PRECURSOR AND POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERIES, EXHIBITING CONCENTRATION GRADIENT, PRODUCED BY SAME

Title:

Document Type and Number:

WIPO Patent Application WO/2016/108375

Kind Code:

A1

Abstract:

The present invention relates to a method for producing a positive active material for lithium secondary batteries, exhibiting a concentration gradient, and a positive active material for lithium secondary batteries, exhibiting a concentration gradient, produced by same and, more specifically, to a method for producing a positive active material for lithium secondary batteries, exhibiting a concentration gradient, and a positive active material for lithium secondary batteries, exhibiting a concentration gradient, produced by same, the method being characterized by forming a barrier layer so as to maintain a concentration gradient layer even in case of thermal diffusion by a subsequent heat treatment process.

Inventors:

CHOI MOON HO (KR)
KIM JIK SOO (KR)
YUN JIN KYEONG (KR)
JEON SUK YONG (KR)
JUNG JAE YONG (KR)
SUNG YONG CHUL (KR)

Application Number:

PCT/KR2015/007718

Publication Date:

July 07, 2016

Filing Date:

July 24, 2015

Export Citation:

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Assignee:

ECOPRO CO LTD (KR)

International Classes:

H01M4/36; H01M4/505; H01M4/525; H01M10/052

Foreign References:

KR20110083383A	2011-07-20
KR20120079801A	2012-07-13
KR20130111413A	2013-10-10
KR100752703B1	2007-08-29
KR20130080565A	2013-07-15

Other References: