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:
Apr. 30, 2024
Filed:
Dec. 07, 2018
Applicant:
Lg Chem, Ltd., Seoul, KR;
Inventors:
Seong Bae Kim, Daejeon, KR;
Yi Rang Lim, Daejeon, KR;
Kyoung Wan Park, Daejeon, KR;
Hyun Uk Kim, Daejeon, KR;
Hong Kyu Park, Daejeon, KR;
Chang Jun Moon, Daejeon, KR;
Eun Hee Kim, Daejeon, KR;
Assignee:
LG Chem, Ltd., Seoul, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); C01G 53/00 (2006.01); H01M 4/02 (2006.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); C01G 53/40 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); C01P 2006/11 (2013.01); C01P 2006/12 (2013.01); C01P 2006/40 (2013.01); H01M 2004/028 (2013.01); H01M 2220/20 (2013.01);
Abstract
A positive electrode active material precursor having a uniform particle size distribution and represented by Formula, wherein a percentage of fine powder with an average particle diameter (D) ofμm or less is generated when the positive electrode active material precursor is rolled atkgf/cmis less than%, and an aspect ratio isor more, and a method of preparing the positive electrode active material precursor[NiCoMM [Formula]