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:
Apr. 21, 2025

Filed:

Nov. 08, 2020
Applicant:

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

Inventors:

Takahiro Kato, Tokyo, JP;

Yoichi Mochizuki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/188 (2020.12); B32B 15/085 (2005.12); B32B 27/08 (2005.12); B32B 27/32 (2005.12); H01M 50/564 (2020.12); H01G 11/74 (2012.12); H01G 11/78 (2012.12);
U.S. Cl.
CPC ...
H01M 50/188 (2020.12); B32B 15/085 (2012.12); B32B 27/08 (2012.12); B32B 27/32 (2012.12); H01M 50/564 (2020.12); B32B 2307/51 (2012.12); B32B 2307/536 (2012.12); B32B 2307/732 (2012.12); B32B 2457/10 (2012.12); H01G 11/74 (2012.12); H01G 11/78 (2012.12);
Abstract

An adhesive film for a metal terminal is interposed between a metal terminal electrically connected to an electrode of a power storage device element, and a power storage device exterior material that seals the power storage device element, the adhesive film comprising a laminated body including, in the following order: a first polyolefin layer disposed on the metal terminal side; a base material; and a second polyolefin layer disposed on the power storage device exterior material side, wherein the adhesive film has a Martens hardness of at most 30 N/mmas measured in a direction perpendicular to a cross-section in the thickness direction of the first polyolefin layer.


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