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. 09, 2011
Filed:
Dec. 05, 2007
Teruhisa Miura, Kyoto, JP;
Teruhisa Miura, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
A capacitor for use in a hybrid vehicle and the like has a structure contrived to achieve reduction in size, increase in capacitance and decrease in resistance. An element has a pair of positive and negative electrodes, each comprising a collector made of a metallic foil having a carbon-containing electrode layer formed thereon, the electrodes rolled up with a separator interposed therebetween to form a pair of electrode terminations at opposite sides of the element. A dimension of one of the electrode terminations is set shorter than that of the other electrode termination. This structure achieves an increase in capacitance and decrease in resistance since it can increase an effective area of electrode surfaces under a restricted condition of keeping the same height of the element as it is placed inside a casing of given dimensions.