PACKING MATERIAL FOR BATTERY

摘要

PROBLEM TO BE SOLVED: To provide a packing material for a battery which has an excellent shock resistance and piercing resistance and moldability. SOLUTION: The packing material for a battery includes a lamination at least in order of a base material layer 6, a metallic foil layer 7 at least one side of which is provided a chemical treated layer 7a and a heat-welding resin layer 8. The metallic foil layer is made of aluminum foil of 30% or less of an elongation at break, and the base material layer is made of polymer film of a breaking strength of 130 N/15 mm or more and an elongation at break 30% or more and 200% or less. COPYRIGHT: (C)2008,JPO&INPIT