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:
Dec. 05, 2023
Filed:
Sep. 14, 2018
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Kazuhiko Inoue, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 10/0585 (2010.01); H01M 4/74 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 10/0585 (2013.01); H01M 4/745 (2013.01); H01M 2004/027 (2013.01); H01M 2004/028 (2013.01);
Abstract
The purpose of the present invention is to provide a current collector that has high strength and is easily impregnated with an electrolyte. This current collector is provided with an opening formation portion provided with a plurality of openings, the current collector being characterized in that a protruding portion is formed at the tip of each opening, and only partial locations of the opening formation portion reach an end surface of the current collector and the other locations thereof do not reach the end surface.