LITHIUM - MANGANESE COMPOUND OXIDE FOR SECONDARY BATTERY, PRODUCTION METHOD THEREFOR, AND NONAQUEOUS ELECTROLYTIC SOLUTION SECONDARY BATTERY

摘要

PROBLEM TO BE SOLVED: To provide an inexpensive lithium - manganese compound oxide which has excellent cycle properties and battery properties by increasing the crystallinity (reactivity) of Mn raw material grains, to provide a production method therefor, and to provide a nonaqueous electrolytic solution secondary battery. SOLUTION: The lithium - manganese compound oxide for a secondary battery is expressed by the general formula of Li1+x Mn2 O4+(0; x0.20, 0; ; 0.3), and has a spinel structure with a spacial group of Fd3m in which the half value width of the (311) face in X-ray diffraction is =0.15 deg., and the half width of the (400) face is =0.15 deg..