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:
Mar. 22, 2022
Filed:
Sep. 24, 2015
Applicant:
Gs Yuasa International Ltd., Kyoto, JP;
Inventors:
Assignee:
GS Yuasa International Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 2/16 (2006.01); H01M 50/449 (2021.01); H01M 4/133 (2010.01); H01M 4/587 (2010.01); H01M 10/0525 (2010.01); H01M 10/058 (2010.01); H01M 50/403 (2021.01);
U.S. Cl.
CPC ...
H01M 50/449 (2021.01); H01M 4/133 (2013.01); H01M 4/587 (2013.01); H01M 10/058 (2013.01); H01M 10/0525 (2013.01); H01M 50/403 (2021.01); Y02T 10/70 (2013.01);
Abstract
An energy storage device includes a positive electrode provided with a positive composite layer containing a positive active material, a negative electrode provided with a negative composite layer containing a negative active material, and a separator partitioning between the positive electrode and the negative electrode, wherein the separator includes a substrate uniaxially drawn into a sheet shape and a coating layer coating at least one of surfaces of the substrate, and the coating layer has an anisotropic structure with orientation in a direction different from a drawing direction of the substrate.