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:
Feb. 26, 2013
Filed:
Apr. 13, 2011
Erik R. Scott, Maple Grove, MN (US);
Gaurav Jain, Edina, MN (US);
Kevin W. Eberman, St. Paul, MN (US);
Craig L. Schmidt, Eagan, MN (US);
Erik R. Scott, Maple Grove, MN (US);
Gaurav Jain, Edina, MN (US);
Kevin W. Eberman, St. Paul, MN (US);
Craig L. Schmidt, Eagan, MN (US);
Medtronic, Inc., Minneapolis, MN (US);
Abstract
A rechargeable lithium-ion battery includes a positive electrode having a first capacity and a negative electrode having a second capacity that is less than the first capacity such that the battery has a negative-limited design. The negative electrode includes a lithium titanate active material. A liquid electrolyte that includes a lithium salt dissolved in at least one non-aqueous solvent a porous polymeric separator are located between the positive electrode and negative electrode. The separator is configured to allow lithium ions to flow through the separator.