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:
May. 20, 2003
Filed:
Sep. 20, 2000
Applicant:
Inventors:
Song Cheng, Tucson, AZ (US);
Jason D. West, Phoenix, AZ (US);
Assignee:
Moltech Corporation, Tucson, AZ (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/60 ; H01M 6/00 ; H01B 1/12 ;
U.S. Cl.
CPC ...
H01M 4/60 ; H01M 6/00 ; H01B 1/12 ;
Abstract
Provided is a composite cathode comprising (a) an electroactive sulfur-containing material; (b) a crosslinked polymer formed from a reaction of a polymeric material having carboxyl groups and a crosslinking agent; and (c) a conductive filler. The crosslinked polymer improves the flexibility, adhesion, and cycle life of the composite cathode in electrochemical cells comprising the cathode. Also provided are electrochemical cells comprising such cathodes and methods for preparing such cathodes and electrochemical cells.