| 摘要 |
PROBLEM TO BE SOLVED: To provide an enclosed battery having an outer casing material free from pin holes and having a deep (over 3 mm and not more than 10 mm) rectangular draw forming part. SOLUTION: In this enclosed battery comprising a power generation element, and the outer casing material accommodating the power generation element, and formed by drawing a metal laminate resin film including a soft metallic sheet and a sealant layer, into the rectangular shape, the sealant layer of the metal laminate resin film is composed of a thermoplastic resin including granulated antiblocking agent. COPYRIGHT: (C)2004,JPO |
