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. 11, 2025
Filed:
Jan. 29, 2019
Applicant:
Samsung Sdi Co., Ltd., Yongin-si, KR;
Inventors:
Jongmin Kim, Yongin-si, KR;
Soohyeon Kim, Yongin-si, KR;
Jinhwa Kim, Yongin-si, KR;
Pilsang Yun, Yongin-si, KR;
Assignee:
Samsung SDI Co., Ltd., Yongin-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 4/525 (2010.01); H01M 4/505 (2010.01); H01M 10/0525 (2010.01); H01M 4/02 (2006.01);
U.S. Cl.
CPC ...
H01M 4/525 (2013.01); H01M 4/505 (2013.01); H01M 10/0525 (2013.01); H01M 2004/021 (2013.01);
Abstract
Disclosed are a cathode active material for a lithium secondary battery and a lithium secondary battery including the same. The cathode active material includes a secondary particle in which a plurality of primary particles are agglomerated, wherein the secondary particle has a predetermined arrangement structure in which (003) surface of primary particles are aligned to be in a vertical direction with respect to a tangent line at a point (P) at which the (003) surface of the primary particles meet a surface of the secondary particle.