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Patent Searching and Data


Title:
POSITIVE ELECTRODE ACTIVE MATERIAL, METHOD FOR PREPARING SAME, AND LITHIUM SECONDARY BATTERY COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2019/074306
Kind Code:
A2
Abstract:
The present invention relates to a positive electrode active material, which is a lithium transition metal oxide containing a first doping element (A) and a second doping element (B), the first doping element being at least one selected from the group consisting of Zr, La, Ce, Nb, Gd, Y, Sc, Ge, Ba, Sn, Sr, Cr, Mg, Sb, Bi, Zn, and Yb, the second doping element being at least one selected from the group consisting of Al, Ta, Mn, Se, Be, As, Mo, V, W, Si, and Co, wherein the weight ratio of the first doping element and the second doping element (A/B ratio) is 0.5-5.

Inventors:
CHO MOON KYU (KR)
AHN DONG JOON (KR)
PARK SUNG SOON (KR)
Application Number:
PCT/KR2018/011990
Publication Date:
April 18, 2019
Filing Date:
October 11, 2018
Export Citation:
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Assignee:
LG CHEMICAL LTD (KR)
International Classes:
H01M4/525; C01G53/00; H01M4/485; H01M4/505; H01M10/052
Attorney, Agent or Firm:
BAE, KIM & LEE IP GROUP (KR)
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