LITHIUM TRANSITION METAL COMPLEX OXIDE POWDER, NICKEL-CONTAINING TRANSITION METAL COMPLEX HYDROXIDE POWDER, POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE FOR LITHIUM SECONDARY BATTERY, AND LITHIUM SECONDARY BATTERY

摘要

A lithium transition metal complex oxide powder, in which the following requirements (1) and (2) are satisfied.;Requirement (1): When a press density obtained by compressing the lithium transition metal complex oxide powder at a pressure of 45 MPa is defined as A and a tapped density of the lithium transition metal complex oxide powder is defined as B, A/B that is a ratio between A and B is 1.8 or more and 3.5 or less.;Requirement (2): A, which is the press density, exceeds 2.7 g/cm3.