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:
Aug. 31, 1993
Filed:
Mar. 10, 1993
Applicant:
Inventors:
David L Chua, Wayne, PA (US);
Hsiu-Ping Lin, Princeton, NJ (US);
Assignee:
Alliant Techsystems Inc., Edina, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ; H01M / ; H01M / ;
U.S. Cl.
CPC ...
429190 ; 429192 ; 429218 ; 429224 ;
Abstract
A primary or secondary electrochemical cell includes an anode containing lithium when in a charged state, a relatively solid gelled electrolyte system including an amount of polyacrylonitrile (PAN), an amount of solvent and plasticizer that includes .gamma.-butyrolactone (.gamma.-BL) and an amount of lithium electrolyte salt, preferably a combination of LiAsF.sub.6 and LiBF.sub.4, and a cathode having a cathode active material selected from transition metal oxides and lithium transition metal oxide intercalation compounds.