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Title:
OUTER PACKAGING MATERIAL FOR ELECTRICITY STORAGE DEVICES AND ELECTRICITY STORAGE DEVICE USING SAME
Document Type and Number:
WIPO Patent Application WO/2020/004413
Kind Code:
A1
Abstract:
An outer packaging material for electricity storage devices according to one aspect of the present disclosure has a multilayer structure which sequentially comprises, in the following order, a base material layer, a first bonding layer, a metal foil layer, a second bonding layer and an inner layer that contains a polyester resin. The inner layer has a melting peak temperature within the range from 160°C to 280°C during the melting as measured by a differential scanning calorimeter. The base material layer has a melting peak temperature that is higher than the melting peak temperature of the inner layer.

Inventors:
SASAKI SATOSHI (JP)
MURAKI TAKUYA (JP)
OONO NAOTO (JP)
Application Number:
PCT/JP2019/025223
Publication Date:
January 02, 2020
Filing Date:
June 25, 2019
Export Citation:
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Assignee:
TOPPAN PRINTING CO LTD (JP)
International Classes:
B32B15/09; H01G11/80; H01M50/10; H01M50/105; H01M50/55; H01M50/553; H01M50/562
Domestic Patent References:
WO2014123164A12014-08-14
WO1998042036A11998-09-24
Foreign References:
JP2018032616A2018-03-01
JP2018092885A2018-06-14
JPH11312514A1999-11-09
JP2013101765A2013-05-23
US6461757B12002-10-08
JPH06322085A1994-11-22
JP2016072212A2016-05-09
JPH06322085A1994-11-22
JP2018045163A2018-03-22
Other References:
"Adhesives -Determination of peel strength of bonded assemblies- Part 2: 180° peeling", JIS K, vol. 6854, no. 2, pages 1990
See also references of EP 3817081A1
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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