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:
Nov. 03, 2015
Filed:
Aug. 25, 2010
Applicants:
Larry W. Beck, Ann Arbor, MI (US);
Chuanjing Xu, Ann Arbor, MI (US);
Young-il Jang, Newtonville, MA (US);
Inventors:
Larry W. Beck, Ann Arbor, MI (US);
Chuanjing Xu, Ann Arbor, MI (US);
Young-Il Jang, Newtonville, MA (US);
Assignee:
A123 Systems LLC, Livonia, MI (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/58 (2010.01); H01B 1/12 (2006.01);
U.S. Cl.
CPC ...
H01M 4/5825 (2013.01); H01B 1/122 (2013.01);
Abstract
Improved positive electrode material and methods for making the same are described. Lithium-iron-manganese phosphate materials, doped with one or more dopant Co, Ni, V, and Nb, and methods for making the same are described. The improved positive electrode material of the present invention is capable of exhibiting improved energy density and/or specific capacity for use in wide range of applications. In certain embodiments, energy density of greater than 340 mWh/g is possible.