| 摘要 |
PURPOSE: To provide a nonaqueous system battery having its structure capable of securing safety and also securing its electric capacity, even when it is abnormally heated from outside or any sharp conductive body such as a needle may stick in a battery can. CONSTITUTION: An electric current collector foil exposed part 15 not covered by positive electrode activating substance 11b is provided on the out circumferential part of an electrode plate laminated body 1 and an insulating film 14 with its film thickness thinner than those of separators 13A, 13B interposed in a space between activating substances 11b, 12b of both positive/negative electrode, is arranged between this electric current collector foil exposed part 15 and a battery can 2. |
