| 摘要 |
PROBLEM TO BE SOLVED: To provide a sealed battery having a constant thickness and sealed by a flexible external material with excellent battery characteristics. SOLUTION: In this method of manufacturing the sealed battery in which a battery element is sealed by the flexible external material, the battery element manufactured by winding a positive electrode and a negative electrode through a ? separator is compressingly formed flat, heated and dried with the flat faces of the battery element prevented from being expanded, and the battery is sealed by the flexible external material. |
