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. 21, 2021
Filed:
Mar. 14, 2018
Applicant:
Toppan Printing Co., Ltd., Tokyo, JP;
Inventors:
Assignee:
TOPPAN PRINTING CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 50/183 (2021.01); H01M 50/116 (2021.01); H01M 50/124 (2021.01); H01M 10/052 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 50/183 (2021.01); H01M 50/116 (2021.01); H01M 50/124 (2021.01); H01M 10/052 (2013.01); H01M 10/0525 (2013.01);
Abstract
An exterior material for a lithium ion battery comprising at least a substrate layer, a metal foil layer, and a sealant layer in that order, wherein the sealant layer comprises an anionic functional group-containing layer containing a compound having an anionic functional group, and the concentration of the anionic functional group contained in the anionic functional group-containing layer is about 1.0 mass % or more based on the total amount of the components constituting the anionic functional group-containing layer.