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:
Dec. 28, 2004
Filed:
Jul. 26, 2002
Applicant:
Inventors:
Ji-Guang Zhang, Marietta, GA (US);
Steve Buckingham, Newnan, GA (US);
Lonnie G. Johnson, Atlanta, GA (US);
Assignee:
Excellatron Solid State, LLC, Atlanta, GA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 1/036 ; H01M 4/02 ;
U.S. Cl.
CPC ...
H01M 1/036 ; H01M 4/02 ;
Abstract
A rechargeable, thin film lithium battery cell ( ) is provided having a polyimide supporting substrate ( ), a cathode current collector ( ), a lithiated transition metal oxide or transition metal cathode ( ), an electrolyte ( ), an anode ( ) and an anode current collector ( ). The polyimide supporting substrate ( ) is heated or dehydrated to remove water from therein. The cathode ( ) is annealed at a relatively low temperature of approximately 300 degrees Celsius.