POWER STORAGE DEVICE PACKAGING MATERIAL AND POWER STORAGE DEVICE USING THE PACKAGING MATERIAL
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United States of America Patent
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Feb 25, 2021
app pub date -
Nov 9, 2020
filing date -
Jun 27, 2018
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Abstract
A packaging material for a power storage device having a laminate structure in the following order including a substrate layer, a first adhesive layer, a metal foil layer, a second adhesive layer, and an inner layer containing a polyester-based resin. The inner layer has a melting peak temperature during melting in a range of 160 to 280° C. which is measured by a differential scanning calorimeter. The substrate layer has a melting peak temperature that is higher than the melting peak temperature of the inner layer.
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