METHOD OF PRODUCING Mn203, AND METHOD OF PRODUCING LITHIUM-MANGANESE COMPOUND OXIDE

摘要

PROBLEM TO BE SOLVED: To provide a method for preventing the intrusion of iron into a battery material, and preventing the intrusion of SUS powder into a battery as well. SOLUTION: In the method of producing Mn2 O3 , MnO2 is allowed to pass through the magnetic field of 100 to 3,200 Gs, and is thereafter burned.