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:
Jun. 06, 2023
Filed:
Dec. 07, 2017
Applicants:
Posco, Pohang-si, KR;
Research Institute of Industrial Science & Technology, Pohang-si, KR;
Inventors:
Sang Cheol Nam, Seoul, KR;
Jae Won Lee, Cheonan-si, KR;
Jong Il Park, Pohang-si, KR;
Jae Myung Lee, Pohang-si, KR;
Geun Gyung Park, Gwangju, KR;
Assignees:
POSCO HOLDINGS INC., Seoul, KR;
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Pohang-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/505 (2010.01); H01M 4/131 (2010.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01); C01G 53/00 (2006.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/505 (2013.01); C01G 53/50 (2013.01); H01M 4/131 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); C01P 2002/52 (2013.01); C01P 2002/60 (2013.01); C01P 2002/72 (2013.01); C01P 2002/76 (2013.01); C01P 2002/85 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01);
Abstract
A positive electrode active material for a lithium secondary battery according to an embodiment of the present invention includes a lithium transition metal composite oxide and doping metals doped in the lithium-transition metal composite oxide, wherein the doping metals includes at least two kinds and the average oxidation number of the doping metals is greater than 3.5.