Exterior Material For Power Storage Device, Production Method For

Exterior Material For Power Storage Device, Production Method For Same, And Power Storage Device

Abstract: Provided is an exterior material for a power storage device, the exterior material being configured from a laminate comprising at least a base material layer, a barrier layer, and a thermally fusible resin layer in this order from the outside. The thermally fusible resin layer includes a first layer containing homo-polybutylene terephthalate and a second layer containing copolymerized polybutylene terephthalate.

Patent Information

Application #

Filing Date

07 October 2025

Publication Number

46/2025

Publication Type

INA

Invention Field

ELECTRICAL

Status

Email

Parent Application

Applicants

DAI NIPPON PRINTING CO., LTD.

1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

Inventors

1. FUJIKAWA, Ryuichi

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

2. OKANO, Ai

c/o DAI NIPPON PRINTING CO., LTD., 1-1, Ichigaya Kagacho 1-chome, Shinjuku-ku, Tokyo 1628001

Specification

Documents

Application Documents

#	Name	Date
1	202517096557-TRANSLATIOIN OF PRIOIRTY DOCUMENTS ETC. [07-10-2025(online)].pdf	2025-10-07
2	202517096557-STATEMENT OF UNDERTAKING (FORM 3) [07-10-2025(online)].pdf	2025-10-07
3	202517096557-REQUEST FOR EXAMINATION (FORM-18) [07-10-2025(online)].pdf	2025-10-07
4	202517096557-PROOF OF RIGHT [07-10-2025(online)].pdf	2025-10-07
5	202517096557-PRIORITY DOCUMENTS [07-10-2025(online)].pdf	2025-10-07
6	202517096557-POWER OF AUTHORITY [07-10-2025(online)].pdf	2025-10-07
7	202517096557-FORM 18 [07-10-2025(online)].pdf	2025-10-07
8	202517096557-FORM 1 [07-10-2025(online)].pdf	2025-10-07
9	202517096557-DRAWINGS [07-10-2025(online)].pdf	2025-10-07
10	202517096557-DECLARATION OF INVENTORSHIP (FORM 5) [07-10-2025(online)].pdf	2025-10-07
11	202517096557-COMPLETE SPECIFICATION [07-10-2025(online)].pdf	2025-10-07