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, 2016
Filed:
Sep. 30, 2010
Masayuki Hagiya, Tokyo, JP;
Hiroshi Komatsu, Tokyo, JP;
Masayuki Hagiya, Tokyo, JP;
Hiroshi Komatsu, Tokyo, JP;
Nippon Chemi-Con Corporation, Tokyo, JP;
Abstract
The electric double-layer capacitor of the present invention comprises an electrolyte solution comprising γ-butyrolactone as the solvent and a coated electrode. The coated electrode is produced by using water as the solvent, and prepared by coating a slurry onto a current collector, wherein the slurry consists of an electrode material which is the solute, an electrically conductive auxiliary agent, and an elastomer having an expansion rate of 50% or less in γ-butyrolactone at 85° C. after 100 hours as the binding agent. For example, a styrene-butadiene elastomer is employed as the elastomer. Because expansion rate in γ-butyrolactone is low, deterioration of internal resistance does not occur. Styrene-butadiene elastomer is easy to handle since water can be used as the solvent for the slurry.