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:
Oct. 07, 2014
Filed:
Jun. 26, 2013
E I Du Pont DE Nemours and Company, Wilmington, DE (US);
Pankaj Arora, Chesterfield, VA (US);
Stephane Francois Bazzana, Wilmington, DE (US);
T Joseph Dennes, Parkesburg, PA (US);
Eric P Holowka, Havertown, PA (US);
Lakshmi Krishnamurthy, Wilmington, DE (US);
Stephen Mazur, Wilmington, DE (US);
Glen E Simmonds, Avondale, PA (US);
E I du Ponte de Nemours and Company, Wilmington, DE (US);
Abstract
This invention provides a multi-layer article comprising a first electrode material, a second electrode material, and a porous separator disposed between and in contact with the first and the second electrode materials, wherein the porous separator comprises a nanoweb consisting essentially of a plurality of nanofibers of a fully aromatic polyimide. Also provided is a method for preparing the multi-layer article, and an electrochemical cell employing the same. A multi-layer article comprising a polyimide nanoweb with enhanced properties is also provided.