Patent 7402360 was granted and assigned to Sanyo on July, 2008 by the United States Patent and Trademark Office.
The invention provides a non-aqueous electrolyte battery characterized in that: an active material of the positive electrode includes lithium manganese oxide; the shut-down temperature of the separator is 162° C. or lower; and the area contraction ratio of the separator at 120° C. is 15% or less.