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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 (5-1, Taito 1-chome, Taito-k, Tokyo 16, 〒1100016, JP)
MURAKI Takuya (5-1, Taito 1-chome, Taito-k, Tokyo 16, 〒1100016, JP)
OONO Naoto (5-1, Taito 1-chome, Taito-k, Tokyo 16, 〒1100016, JP)
Application Number:
JP2019/025223
Publication Date:
January 02, 2020
Filing Date:
June 25, 2019
Export Citation:
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Assignee:
TOPPAN PRINTING CO., LTD. (5-1 Taito 1-chome, Taito-ku Tokyo, 16, 〒1100016, JP)
International Classes:
H01M2/02; B32B15/09; H01G11/80; H01M2/30
Domestic Patent References:
WO2014123164A12014-08-14
Foreign References:
JP2018032616A2018-03-01
JP2018092885A2018-06-14
JPH11312514A1999-11-09
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (SOEI PATENT AND LAW FIRM, Marunouchi MY PLAZA 9th fl. 1-1, Marunouchi 2-chome, Chiyoda-k, Tokyo 05, 〒1000005, JP)
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