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:
Sep. 21, 2021
Filed:
Jan. 24, 2014
Applicant:
A123 Systems, Llc, Waltham, MA (US);
Inventors:
Assignee:
A123 Systems, LLC, Waltham, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/36 (2006.01); H01M 4/58 (2010.01); H01M 4/505 (2010.01); C01B 25/45 (2006.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/364 (2013.01); C01B 25/45 (2013.01); H01M 4/505 (2013.01); H01M 4/525 (2013.01); H01M 4/5825 (2013.01); H01M 10/0525 (2013.01);
Abstract
A positive electroactive material is described, including: a lithium iron manganese phosphate compound having a composition of LiFeMnD(PO), wherein 1.0<a≤1.10, 0<x≤0.5, 0≤y≤0.10, 1.0<z≤1.10 and D is selected from the group consisting of Co, Ni, V, Nb and combinations thereof; and a lithium metal oxide, wherein the lithium iron manganese phosphate compound is optionally doped with Ti, Zr, Nb, Al, Ta, W, Mg or F. A battery containing the positive electroactive material is also described.