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:
Feb. 27, 2001
Filed:
Oct. 13, 1998
Manabu Suhara, Yokohama, JP;
Kazuya Hiratsuka, Yokohama, JP;
Katsuji Ikeda, Yokohama, JP;
Takeshi Kawasato, Yokohama, JP;
Yoshiaki Higuchi, Yokohama, JP;
Naoki Yoshida, Yokohama, JP;
Naruaki Tomita, Yokohama, JP;
Asahi Glass Company Ltd., Tokyo, JP;
Abstract
An electrode assembly for an electric double layer capacitor, including a current collector made of an aluminum foil, and an electrode including a carbonaceous material having a specific surface area of at least 500 m,/g and a binder, bonded on at least one side of the current collector, wherein the aluminum foil has a roughened layer having a thickness of from 0.5 to 5 &mgr;m on the surface of the side bonded to the electrode and has a breaking energy of at least 3 kg·mm with a dumbbell specimen of No. 1 form as stipulated in JIS K6301.