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. 17, 2015
Filed:
Jul. 11, 2012
M. Edgar Armacanqui, Madison, WI (US);
Wen LI, Madison, WI (US);
John Hadley, Madison, WI (US);
Janna Rose, Madison, WI (US);
M. Edgar Armacanqui, Madison, WI (US);
Wen Li, Madison, WI (US);
John Hadley, Madison, WI (US);
Janna Rose, Madison, WI (US);
Spectrum Brands, Inc., Middleton, WI (US);
Abstract
The present disclosure is directed to a primary electrochemical cell having an improved discharge performance, and/or improved reliability under physical abuse and/or partial discharge. More particularly, the present disclosure is directed to such a primary cell that comprises an improved cathode material comprising iron disulfide and a select pH-modifier and an improved non-aqueous electrolyte that comprises a solvent, a salt, pH-modifiers, and selected organic or inorganic additives, which improve cell stability and discharge performance.