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. 01, 2011
Filed:
Jun. 04, 2007
Pu Zhang, Ann Arbor, MI (US);
Suresh Mani, Ann Arbor, MI (US);
Michael R. Wixom, Ann Arbor, MI (US);
Pu Zhang, Ann Arbor, MI (US);
Suresh Mani, Ann Arbor, MI (US);
Michael R. Wixom, Ann Arbor, MI (US);
A123 Systems, Inc., Watertown, MA (US);
Abstract
Disclosed is a doped lithium titanate and its use as an electrode in a battery. Further disclosed is a method for making an alkali metal titanate, which method includes mixing an alkali metal compound and a titanium compound, impact milling the mixture, and heating the milled mixture for a time, and at a temperature, sufficient to convert the mixture to the alkali metal titanate. The alkali metal compound can be in the form of LiCOand the titanium compound can be in the form of TiO. A dopant may be included in the mixture.