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:
Nov. 22, 2016
Filed:
May. 25, 2012
Stéphanie Chevalier, Bordeaux, FR;
Mélanie Dendary, Eysines, FR;
Philippe Desprez, Bordeaux, FR;
SAFT, Bagnolet, FR;
Abstract
The object of the invention is an electrode comprising a continuous current collector (1) wherein 50% or more of the surface of said collector has a roughness Ra1 comprised between 0.8 and 15 μm, measured for a base length comprised between 2 and 200 μm, said collector being coated with a mixture (2) comprising active carbon having a specific surface area greater than or equal to 500 m/g and a binder comprising a mixture of at least one cellulosic compound and at least one styrenic copolymer. The object of the invention is also an asymmetric supercapacitor comprising at least one electrode according to the invention. The invention also relates to a method for making a carbon electrode for an asymmetric supercapacitor.