An aluminum pouch film for a secondary battery and a method for manufacturing the aluminum pouch film are disclosed. The aluminum pouch film contains an aluminum layer; an outer resin layer formed on the first surface of the aluminum layer; a first adhesiv...

This exterior material for a power storage device is configured from a laminate comprising at least a surface coating layer, a base layer, a barrier layer, and a heat scaling resin layer in order from the outside, and moreover is such that a logarithmic de...

A pouch film stack according to the present invention includes a base layer, a gas barrier layer, and a sealant layer stacked in that order. The sealant layer includes a first sealant layer located adjacent to the gas barrier layer and a second sealant lay...

A power storage device packaging material at least includes a substrate layer, a barrier layer including a metal layer, an adhesive layer, and a sealant layer in this order. The adhesive layer contains a hydrophobic insulating inorganic filler. The content...

A battery includes a battery cell having an optical window configured to allow external optical spectroscopy of internals of the battery cell. The window includes an aperture formed in a housing of the battery cell, and a layer of material spanning the ape...