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:
Sep. 01, 2009
Filed:
Feb. 10, 2004
Applicants:
Patrick Bernard, Bordeaux, FR;
Lionel Goubault, Merignac, FR;
Inventors:
Patrick Bernard, Bordeaux, FR;
Lionel Goubault, Merignac, FR;
Assignee:
SAFT, SA, Bagnolet, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/58 (2006.01);
U.S. Cl.
CPC ...
Abstract
A non-sintered electrode containing a two-dimensional conductive support covered in a layer containing an electrochemically active material and a binder which is a mixture of a styrene-acrylate copolymer and a cellulose compound chosen from methylcellulose, carboxymethylcellulose, hydroxypropylmethylcellulose, hydroxypropylcellulose and hydroxyethylcellulose. The proportion of the styrene-acrylate copolymer is less than 4% by weight of the active layer.