| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a cylindrical battery to which an identification mark is attached without introduction of a complicated process. <P>SOLUTION: In a cylindrical battery which is tightly closed by disposing a sealing body also serving as a terminal of one electrode in an opening of an outer can also serving as the other electrode, an insulating plate for preventing short-circuit between the outer can and the sealing body is disposed on a main surface of the sealing body, the insulating plate has a circular outer periphery and a circular opening in the center, and a recess is provided at the inner peripheral edge of the opening of the insulating plate or in the vicinity thereof as a mark for identifying the cylindrical battery. <P>COPYRIGHT: (C)2013,JPO&INPIT |
