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:
May. 10, 2022
Filed:
Dec. 10, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Sung Bin Park, Daejeon, KR;
Min Kyu You, Daejeon, KR;
Chi Ho Jo, Daejeon, KR;
Hyuck Hur, Daejeon, KR;
Jin Tae Hwang, Daejeon, KR;
Wang Mo Jung, Daejeon, KR;
Assignee:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); C01G 51/00 (2006.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 51/42 (2013.01); C01G 51/66 (2013.01); H01M 10/0525 (2013.01); C01P 2002/52 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01);
Abstract
A lithium cobalt-based positive electrode active material is provide, which includes sodium and calcium, wherein the total amount of the sodium and calcium is 150 ppm to 500 ppm based on the total weight of the lithium cobalt-based positive electrode active material. A method for preparing the lithium cobalt-based positive electrode active material is also provided.