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. 07, 2021
Filed:
Sep. 27, 2016
Applicant:
Gs Yuasa International Ltd., Kyoto, JP;
Inventors:
Hirokazu Kambayashi, Kyoto, JP;
Kazuto Maeda, Kyoto, JP;
Assignee:
GS YUASA INTERNATIONAL LTD., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 50/531 (2021.01); H01G 11/72 (2013.01); H01G 11/82 (2013.01); H01G 11/80 (2013.01); H01G 11/76 (2013.01); H01G 11/10 (2013.01); H01M 50/528 (2021.01); H01G 9/00 (2006.01); H01G 9/008 (2006.01); H01G 9/04 (2006.01); H01M 10/0525 (2010.01); H01M 50/538 (2021.01);
U.S. Cl.
CPC ...
H01M 50/531 (2021.01); H01G 9/008 (2013.01); H01G 9/0029 (2013.01); H01G 9/04 (2013.01); H01G 11/10 (2013.01); H01G 11/72 (2013.01); H01G 11/76 (2013.01); H01G 11/80 (2013.01); H01G 11/82 (2013.01); H01M 50/528 (2021.01); H01M 10/0525 (2013.01); H01M 50/538 (2021.01);
Abstract
An energy storage device including: an electrode assembly and a positive electrode current collector, wherein the positive electrode current collector includes an electrode connecting portion connected to the electrode assembly, the electrode connecting portion includes a first portion and a second portion which has a smaller wall thickness than the first portion and is joined to the electrode assembly, and either one of the second portion or the electrode assembly includes a first convex portion projecting toward the other in a joined portion.