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. 25, 1993
Filed:
Feb. 01, 1991
Applicant:
Inventors:
Joachim Heitbaum, 6380 Bad Homburg, DE;
Gunther Hambitzer, 7507 Pfinztal 1, DE;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429197 ; 429199 ; 429218 ;
Abstract
A non-aqueous rechargeable electrochemical cell is disclosed, wherein the cell includes a negative electrode a positive electrode and an electrolyte solution into which the electrodes are immersed. The negative electrode is made of lithium, and the positive electrode contains as the active material lithium cobalt oxide. The electrolyte solution is a solution of a lithium salt with an anion of a group 3A element halide in sulfur dioxide. The cell of the present invention has a long cycle life and excellent electrical characteristics.