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.
Patent No.:
Date of Patent:
Sep. 20, 2022
Filed:
Feb. 06, 2019
Applicant:
Dai Nippon Printing Co., Ltd., Tokyo, JP;
Inventors:
Makoto Amano, Tokyo, JP;
Takanori Yamashita, Tokyo, JP;
Assignee:
DAI NIPPON PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/124 (2021.01); H01M 50/116 (2021.01); H01M 50/543 (2021.01); H01M 50/172 (2021.01); B32B 15/09 (2006.01); B32B 15/20 (2006.01);
U.S. Cl.
CPC ...
H01M 50/124 (2021.01); B32B 15/09 (2013.01); B32B 15/20 (2013.01); H01M 50/116 (2021.01); H01M 50/172 (2021.01); H01M 50/543 (2021.01); B32B 2250/03 (2013.01); B32B 2307/732 (2013.01); B32B 2457/10 (2013.01);
Abstract
A battery packaging material is configured from a laminate including, at a minimum, a polyester film layer, an aluminum alloy foil layer, and a heat fusible resin layer in the stated order. The thickness of the polyester film layer is 23-27 μm (inclusive), the thickness of the aluminum alloy foil layer is 27-43 μm (inclusive), the thickness of the heat fusible resin layer is 70-100 μm (inclusive), and the insulation breakdown voltage of the surface of the polyester film layer side is 13 kV or greater.