| abstract |
A lithium-transition metal oxide powder having a coating layer containing lithium niobate formed on part or all of the surface of a lithium-transition metal oxide particle and having a low green compact resistance, and the lithium-transition Provided is a positive electrode active material for a lithium ion battery containing a metal oxide powder. A lithium-transition metal oxide powder comprising lithium-transition metal oxide particles partially or entirely coated with a coating layer containing lithium niobate, the carbon content of which is 0.1. Provided is a lithium-transition metal oxide powder having a content of 03% by mass or less. [Selection figure] None |