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:
Jun. 03, 2008
Filed:
Mar. 23, 2006
Satoru Yoshimitsu, Saga, JP;
Satoru Yoshimitsu, Saga, JP;
Saga Sanyo Industries Co., Ltd., Kishima-gun, JP;
Sanyo Electric Co., Ltd., Moriguchi-shi, JP;
Abstract
An electric double layer capacitor and a method of manufacturing are provided that are capable of improving high-rate performance and increasing capacity at lower costs. The electric double layer capacitor includes: an electrode unit having a pair of polarizable electrodes, each composed of a carbon material, and a separator interposed between the pair of polarizable electrodes; and an electrolyte solution impregnated in the pair of polarizable electrodes and the separator. The carbon material of at least one of the pair of polarizable electrodes contains fullerene activated by a microwave activation process and/or carbon nanotube activated by a microwave activation process.