LITHIUM COBALTATE AND ITS PREPARATION METHOD, POSITIVE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, POSITIVE ELECTRODE AND LITHIUM SECONDARY BATTERY

摘要

PROBLEM TO BE SOLVED: To provide a lithium secondary battery with superior initial capacity and charge-discharge characteristic. SOLUTION: The lithium secondary battery uses lithium cobaltate with an angle of repose less than 70 deg. for positive active material.