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:
May. 15, 2012
Filed:
Apr. 06, 2011
William G. Howard, Roseville, MN (US);
Craig L. Schmidt, Eagan, MN (US);
Erik R. Scott, Maple Grove, MN (US);
William G. Howard, Roseville, MN (US);
Craig L. Schmidt, Eagan, MN (US);
Erik R. Scott, Maple Grove, MN (US);
Medtronic, Inc., Minneapolis, MN (US);
Abstract
A lithium-ion battery includes a positive electrode having a current collector and a first active material and a negative electrode comprising a current collector, a second active material, and a third active material. The second active material comprises a lithium titanate material and the third active material comprises VO. The third active material exhibits charging and discharging capacity below a corrosion potential of the current collector of the negative electrode and above a decomposition potential of the first active material.