Patent ID: 8137842
Filing Date: 2012-03-20
Classification: C01G,C01P,H01M,Y02E

Abstract:
1. A method of making a battery, the method comprising: (a) dispersing an unlithiated manganese dioxide in water; (b) adding lithium hydroxide and at least one lithium salt selected from the group consisting of lithium bromide and lithium chloride to the dispersion of unlithiated manganese dioxide in water to provide a lithiation mixture; (c) heating the lithiation mixture at a temperature of from about 40° C. to 150° C. to form a lithiated manganese dioxide; (d) isolating the lithiated manganese dioxide from the water; (e) heating the isolated lithiated manganese dioxide at a temperature of from 300° C. to about 500° C. in an atmosphere greater than about 21 percent oxygen; (f) incorporating the lithiated manganese dioxide from step (e) into a cathode for a battery; and (g) incorporating the cathode into a battery.