PACKAGING MATERIAL FOR BATTERY

Abstract: a packaging material for batteries including a laminate in which at least a base material layer, a metal layer, and a sealant layer are laminated in order. the battery packaging material satisfies the relationships of: (a1−a2)≥60 n/15 mm; and (b1−b2)≥50 n/15 mm. a1 is a stress in elongation by 10% in the md direction and b1 is a stress in elongation by 10% in the td direction in the laminate, and a2 is a stress in elongation by 10% in the md direction and b2 is a stress in elongation by 10% in the td direction in the base material layer.

Inventor(s): Atsuko TAKAHAGI, Rikiya YAMASHITA, Daisuke YASUDA

CPC Classification: H01M10/0525 (PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY)

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