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:
Aug. 02, 2022
Filed:
Feb. 04, 2019
Applicants:
Panasonic Corporation, Kadoma, JP;
Sanyo Electric Co., Ltd., Daito, JP;
Inventors:
Hideo Kasahara, Osaka, JP;
Yuma Kamiyama, Osaka, JP;
Hiromasa Yagi, Osaka, JP;
Hiroyuki Tajima, Hyogo, JP;
Assignees:
Panasonic Holdings Corporation, Kadoma, JP;
SANYO Electric Co., Ltd., Daito, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/70 (2006.01); H01M 4/02 (2006.01); H01M 4/13 (2010.01);
U.S. Cl.
CPC ...
H01M 4/70 (2013.01); H01M 4/13 (2013.01);
Abstract
An electrode for a secondary battery that includes a collector and an active material layer formed on the collector. The active material layer is configured of a plurality of layers including at least a first layer formed on the collector, and a second layer formed on the first layer. An end portion of the collector at an edge portion of the electrode is widened in an electrode thickness direction with respect to a plate thickness of the collector.