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:
Jan. 07, 2003
Filed:
Jul. 13, 1999
Applicant:
Inventors:
Stanford R. Ovshinsky, Bloomfield Hills, MI (US);
Srinivasan Venkatesan, Southfield, MI (US);
Boyko Aladjov, Rochester Hills, MI (US);
Kevin Fok, Troy, MI (US);
Thomas J. Hopper, Clarkston, MI (US);
Lynn Taylor, Sterling Heights, MI (US);
Assignee:
Ovonic Battery Company, Inc., Troy, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/58 ; H01M 4/48 ; H01M 2/16 ; H01M 2/18 ; H01M 1/052 ;
U.S. Cl.
CPC ...
H01M 4/58 ; H01M 4/48 ; H01M 2/16 ; H01M 2/18 ; H01M 1/052 ;
Abstract
A layered hydrogen absorbing alloy electrode for an alkaline electrochemical cell. The layered electrode comprises a outer layer comprising a metal oxide, metal sulfide or mixtures thereof. The outer layer reduces the internal pressure of electrochemical cell.