Patent ID: 7132194

Claim:
A nonaqueous electrolyte battery comprising: a wound electrode assembly and a non aqueous electrolyte, wherein the wound electrode assembly comprises: a separator impregnated with the nonaqueous electrolyte, a positive electrode connected to a positive lead electrode having a positive active material layer located in a first area of the wound electrode assembly, a negative electrode connected to a negative lead electrode having the negative active material layer located in a second area of the wound electrode assembly, and a center part between the first area and second area around which the separator is wound, wherein, the first area extends from the center part toward a first end of the wound electrode assembly on a first side of the separator, the second area extends from the center part toward a second end of the wound electrode assembly on a second side of the separator, the wound electrode assembly is covered with an exterior material comprising a shaped laminate film of a synthetic resin and metallic foil, the positive lead electrode and the negative lead electrode are exposed through the exterior material, and a resin film is located in parts of the positive lead electrode and the negative lead electrode.