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:
Mar. 12, 2002
Filed:
Dec. 29, 1998
Applicant:
Inventors:
Véronique Danel, St Benoit, FR;
Jean-Pierre Flipo, Poitiers, FR;
Xavier Andrieu, Bretigny sur Orge, FR;
Bernadette Pichon, Velizy Villacoublay, FR;
Sylvie Barusseau, Bretigny sur Orge, FR;
Assignee:
Alcatel, Paris, FR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01G 9/155 ; H01G 9/00 ;
U.S. Cl.
CPC ...
H01G 9/155 ; H01G 9/00 ;
Abstract
The invention relates to a supercapacitor having a non-aqueous electrolyte and two carbon electrodes each containing a binder and an electrochemically active material constituted by active carbon having a specific surface area greater than about 2000 m /g. The binder has a mixture of carboxymethylcellulose and a copolymer of styrene and butadiene.