Patent 7745050 was granted and assigned to Sony on June, 2010 by the United States Patent and Trademark Office.
A separator having a structure in which a resin layer is formed at least on one principal plane of a base material layer, wherein the resin layer has an inorganic substance is provided. A non-aqueous electrolyte battery in which a cathode and an anode are arranged through the separator so as to face each other is also provided.