Electrode active material for lithium secondary battery

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United States of America Patent

PATENT NO 8859148
APP PUB NO 20110079752A1
SERIAL NO

12792374

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Abstract

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Provided is an electrode active material comprising a nickel-based lithium transition metal oxide (LiMO2) wherein the nickel-based lithium transition metal oxide contains nickel (Ni) and at least one transition metal selected from the group consisting of manganese (Mn) and cobalt (Co), wherein the content of nickel is 50% or higher, based on the total weight of transition metals, and has a layered crystal structure and an average primary diameter of 3 μm or higher, wherein the amount of Ni2+ taking the lithium site in the layered crystal structure is 5.0 atom % or less.

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Patent Owner(s)

  • LG CHEM, LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Sung kyun Daejeon, KR 73 430
Choi, Youngsun Daejeon, KR 16 72
Hong, Seung Tae Daejeon, KR 25 187
Park, Hong-Kyu Daejeon, KR 83 760
Park, Sinyoung Daejeon, KR 40 313

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