摘要 |
PROBLEM TO BE SOLVED: To provide a sealed battery in which a tab connected to a battery element and an outside circuit connection lead are not required to connect to an electrode terminal installed in a battery can through an insulating member. SOLUTION: This sealed battery is formed in such a way that the battery element is housed in the battery can, the tab connected to the battery element is passed through a cylindrical part integrally formed with a metal plate of a battery header, the battery header is fit to an opening part of the battery can, a fitting part of the battery header and the. battery can is sealed by laser welding, and then the insulating member is arranged on the inner surface of the cylindrical part, and caulking is conducted. COPYRIGHT: (C)2003,JPO |