THIN BATTERY AND ITS MANUFACTURE

摘要

PROBLEM TO BE SOLVED: To provide a lightweight and thin battery having enhanced reliability. SOLUTION: This thin battery has a sheet power generating element 2, positive and negative leads derived from the power generating element 2, and jacketed films 5, 6 to coat and seal the power generating element 2 after deriving the positive and negative leads. The jacketed film 5, 6 have different thickness respectively on both main surface sides of the power generating element 2.