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Patent Searching and Data


Title:
POSITIVE ELECTRODE ACTIVE MATERIAL FOR A LITHIUM SECONDARY BATTERY, AND METHOD FOR PREPARING SAME
Document Type and Number:
WIPO Patent Application WO/2012/033369
Kind Code:
A3
Abstract:
The present invention relates to a method for preparing a positive electrode active material for a lithium secondary battery. More particularly, the method for preparing a positive electrode active material for a lithium secondary battery according to the present invention comprises the following steps: mixing a nickel source, a cobalt source, an aluminum source, ammonia water, sucrose and a pH control agent so as to prepare a mixture solution; drying and oxidizing the mixture solution so as to prepare a positive electrode active material precursor; and adding a lithium source to the positive electrode active material precursor and firing the precursor so as to prepare a positive electrode active material for a lithium secondary battery.

Inventors:
OH SUNG WOO (KR)
SUN HEE YOUNG (KR)
DO YU RIM (KR)
LEE HYUNG BOK (KR)
Application Number:
PCT/KR2011/006672
Publication Date:
June 14, 2012
Filing Date:
September 08, 2011
Export Citation:
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Assignee:
SK INNOVATION CO LTD (KR)
OH SUNG WOO (KR)
SUN HEE YOUNG (KR)
DO YU RIM (KR)
LEE HYUNG BOK (KR)
International Classes:
H01M4/525; C01G51/00; C01G53/00; H01M10/0525
Foreign References:
KR20080079588A2008-09-01
JP2009301813A2009-12-24
KR20100057235A2010-05-31
KR20000068352A2000-11-25
Other References:
See also references of EP 2615672A4
Attorney, Agent or Firm:
KWON, Oh-Sig et al. (921Dunsan-dong,Seo-gu, Daejeon 302-120, KR)
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Claims: