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. 03, 2015
Filed:
Nov. 10, 2009
Applicants:
Chang-wan Koo, Daejeon, KR;
Joon Sung Bae, Daejeon, KR;
Eun-young Goh, Daejeon, KR;
Inventors:
Assignee:
LG Chem, Ltd., Seoul, KR;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/13 (2010.01); H01M 4/58 (2010.01); H01M 4/00 (2006.01); H01M 4/50 (2010.01); H01M 4/505 (2010.01); C01G 45/12 (2006.01); C01G 51/00 (2006.01); C01G 53/00 (2006.01); H01M 4/1315 (2010.01); H01M 4/525 (2010.01); H01M 10/052 (2010.01); H01M 10/0567 (2010.01);
U.S. Cl.
CPC ...
H01M 4/505 (2013.01); C01G 45/1228 (2013.01); C01G 51/42 (2013.01); C01G 51/50 (2013.01); C01G 53/42 (2013.01); C01G 53/50 (2013.01); H01M 4/1315 (2013.01); H01M 4/525 (2013.01); H01M 10/052 (2013.01); H01M 10/0567 (2013.01); C01P 2002/52 (2013.01); C01P 2002/77 (2013.01); C01P 2006/40 (2013.01); Y02E 60/122 (2013.01); Y02T 10/7011 (2013.01);
Abstract
Disclosed herein is a cathode active material including a lithium transition metal oxide based on at least one transition metal selected from a group consisting of Ni, Mn and Co. The lithium transition metal oxide contains fluorine, and most of the fluorine is present on a surface of the lithium transition metal oxide, and at least one metal selected from a group consisting of Mg, Ti, Zr, Al and Fe as well as sulfur (S) are further contained in the lithium transition metal oxide.