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:
Jun. 29, 2010
Filed:
Jun. 17, 2009
Applicants:
William L. Bowden, Nashua, NH (US);
Nikolai N. Issaev, Woodbridge, CT (US);
Michael Pozin, Brookfield, CT (US);
Inventors:
William L. Bowden, Nashua, NH (US);
Nikolai N. Issaev, Woodbridge, CT (US);
Michael Pozin, Brookfield, CT (US);
Assignee:
The Gillette Company, Boston, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 6/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of making a lithium electrochemical cell includes treating the cathode active material with an agent that includes lithium but not sodium. A cathode including the cathode active material, an anode, a separator, and an electrolyte are assembled in a housing to provide a cell containing less than 1500 ppm by weight of sodium.