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:
Mar. 27, 1990
Filed:
Mar. 11, 1988
Applicant:
Inventors:
Gerhard L Holleck, Wayland, MA (US);
Trung Nguyen, Norton, MA (US);
Assignee:
EIC Laboratories, Inc., Norwood, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429194 ; 429218 ;
Abstract
A rechargeable electrochemical cell with an electrolyte and anode has a cathode including an active cathode material with a surface at which at least one side reaction occurs during a normal discharge cycle of the cell. The outer surface of the cathode material includes a protective coating that inhibits the side reactions without preventing discharge of the cathode.