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Title:
SHEATH MATERIAL FOR POWER STORAGE DEVICE AND POWER STORAGE DEVICE
Document Type and Number:
Japanese Patent JP2022190244
Kind Code:
A
Abstract:
To provide a sheath material for a power storage device which can achieve both seal strength under high temperature and initial seal strength at a sufficiently high level.SOLUTION: A sheath material for a power storage device has a base material layer, a barrier layer and a sealant layer in this order, wherein the sealant layer contains a polypropylene layer P formed from a resin composition containing polypropylene and a β crystal nucleus agent.SELECTED DRAWING: Figure 1

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Inventors:
IMAMOTO ATSUYA
Application Number:
JP2021098482A
Publication Date:
December 26, 2022
Filing Date:
June 14, 2021
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD
International Classes:
H01M50/193; H01G11/78; H01M50/121; H01M50/126; H01M50/184
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yoshiki Kuroki
Yohei Suzuki



 
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