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:
Jul. 23, 1991
Filed:
Aug. 16, 1989
Applicant:
Inventor:
Robert J Jacus, Madison, WI (US);
Assignee:
Rayovac Corporation, Madison, WI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M / ;
U.S. Cl.
CPC ...
429206 ; 429229 ; 2521821 ;
Abstract
In accordance with the present invention, an electrochemical cell is disclosed comprising a metal oxide cathode; an anode/electrolyte mixture which contains a zinc anode material and an aluminum compound additive as an source of aluminum ions (e.g., an aluminum salt). The anode/electrolyte mixture may also contain a source of sulfate ions (e.g., a metal sulfate). The anode/electrolyte mixture can also include a suitable carrier (e.g., gelling agent, buffer) for admixing the various components of the mixture.