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:
Jan. 12, 1999
Filed:
Mar. 28, 1997
Munekazu Aoki, Tokyo, JP;
Keitaro Katsu, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
An electric double-layer capacitor is provided, which decreases the number of necessary components to improve the productivity of the capacitor. The capacitor includes at least one basic cell. Each of the at least one basic cell has (a) an insulative, tubular gasket having a tubular inner space and opening ends, (b) a pair of polarizable electrodes made of a solid activated-carbon, (c) a sheet-like, porous, non electron-conductive separator sandwiched between the pair of electrodes; and (d) a pair of conductive, sheet-like collectors placed to close the opening ends of the gasket. The pair of collectors are electrically connected to a pair of external terminals. The pair of electrodes and the separator are placed in the inner space of the gasket. The gasket is made of a thermoplastic resin and is formed by injection molding. The separator and the pair of electrodes are unified with the gasket. The unification of the separator and the pair of electrodes with the gasket is performed during the molding process of the gasket.