Stoichiometrically controlled lithium cobalt oxide based compounds

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United States of America Patent

PATENT NO 9979021
SERIAL NO

14855456

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A lithium metal oxide powder for use as a cathode material in a rechargeable battery, consisting of a core material and a surface layer, the core having a layered crystal structure consisting of the elements Li, a metal M and oxygen, wherein the Li content is stoichiometrically controlled, wherein the metal M has the formula M=Co1-aM′a, with 0≤a≤0.05, wherein M′ is either one or more metals of the group consisting of Al, Ga and B; and the surface layer consisting of a mixture of the elements of the core material and inorganic N-based oxides, wherein N is either one or more metals of the group consisting of Mg, Ti, Fe, Cu, Ca, Ba, Y, Sn, Sb, Na, Zn, Zr and Si.

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Patent OwnerAddress
UMICOREBRUSSELS BELGIUM BRUSSELS BRUSSELS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Blangero, Maxime Cheonan, KR 35 168
Choi, Da-In Cheonan, KR 7 60
Paulsen, Jens Yuseong-Gu, KR 59 335

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