The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 27, 2023

Filed:

Dec. 27, 2021
Applicant:

Dai Nippon Printing Co., Ltd., Tokyo, JP;

Inventors:

Atsuko Takahagi, Tokyo, JP;

Rikiya Yamashita, Tokyo, JP;

Daisuke Yasuda, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/10 (2021.01); H01M 50/116 (2021.01); H01M 50/124 (2021.01); H01M 10/0525 (2010.01); H01M 50/121 (2021.01); H01M 50/119 (2021.01); H01M 50/133 (2021.01);
U.S. Cl.
CPC ...
H01M 10/0525 (2013.01); H01M 50/119 (2021.01); H01M 50/121 (2021.01); H01M 50/124 (2021.01); H01M 50/133 (2021.01);
Abstract

A packaging material for batteries including a laminate in which at least a base material layer, a metal layer, and a sealant layer are laminated in order. The battery packaging material satisfies the relationships of: (A1−A2)≥60 N/15 mm; and (B1−B2)≥50 N/15 mm. A1 is a stress in elongation by 10% in the MD direction and B1 is a stress in elongation by 10% in the TD direction in the laminate, and A2 is a stress in elongation by 10% in the MD direction and B2 is a stress in elongation by 10% in the TD direction in the base material layer.


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