| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a packaging material for an electrochemical cell having an identification mark that can be recognized from the outside and is difficult to be forged, and preventing generation of a float or a wrinkle by layer separation caused by heat applied to a sealing process after forming. <P>SOLUTION: A packaging material for an electrochemical cell is composed of a multilayer film having structure formed by laminating at least a substrate layer, an adhesive layer, a metal foil layer, and a heat- adhesive resin layer in this order, and pigment is added to the adhesive layer. <P>COPYRIGHT: (C)2013,JPO&INPIT |
