EXTERIOR MATERIAL FOR ELECTRICITY STORAGE DEVICE

Title:

EXTERIOR MATERIAL FOR ELECTRICITY STORAGE DEVICE

Document Type and Number:

WIPO Patent Application WO/2018/216634

Kind Code:

A1

Abstract:

This exterior material for an electricity storage device is provided with at least: a base layer; a metal foil layer provided with a corrosion-prevention treated layer on either or both surfaces thereof; and a sealant layer, in this order, wherein the sealant layer contains (A) a polypropylene-based resin and (B) 1-40 mass% of an incompatible component, the maximum seal strength SM , in an adhesive portion to which said exterior material is attached by heat-sealing, is 35 N/15 mm or more, and condition (1) or (2) is satisfied. (1) The ratio, SS/SM, of the seal strength SS in a stable region to the maximum seal strength SM is 0.3 or more. (2) The ratio, SA/SM, of the average seal strength SA to the maximum seal strength SM , is 0.3 or more.

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Inventors:

IMAMOTO JUNYA (JP)
OGIHARA YU (JP)
SUZUTA MASAYOSHI (JP)

Application Number:

PCT/JP2018/019380

Publication Date:

November 29, 2018

Filing Date:

May 18, 2018

Export Citation:

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Assignee:

TOPPAN PRINTING CO LTD (JP)

International Classes:

H01G11/78; H01M50/105; H01M50/145; H01M50/571

Domestic Patent References:

WO2016125684A1	2016-08-11
WO2017047717A1	2017-03-23
WO2012050182A1	2012-04-19
WO2016125684A1	2016-08-11

Foreign References:

JP2017076510A	2017-04-20
JP2017091952A	2017-05-25
JP2002245983A	2002-08-30
EP3255695A1	2017-12-13

Other References: