Lithium metal oxide particles coated with a mixture of the elements of the core material and one or more metal oxides
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United States of America Patent
Stats
-
Jan 2, 2018
Grant Date -
Dec 31, 2015
app pub date -
Nov 12, 2013
filing date -
Dec 14, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
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 to M molar ratio is between 0.98 and 1.01, and preferably between 0.99 and 1.00, 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- and N′-based oxides, wherein N is either one or more metals of the group consisting of Mg, Ti, Fe, Cu, Ca, Ba, Sn, Sb, Na, Zn, and Si; and wherein N′ is either one or more metals of the group consisting of Y, Zr, Nb, Mo, Ru, Rh, Pd, Ag, Cd, Sc, Ce, Pr, Nd, Gd, Dy, and Er.
First Claim
Other Claims data not available
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International Classification(s)
- 2013 Application Filing Year
- H01M Class
- 4273 Applications Filed
- 3824 Patents Issued To-Date
- 89.50 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- H01M Class
- 31.62 % this patent is cited more than
- 7 Age
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