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.

Date of Patent:
Jul. 29, 2025

Filed:

Feb. 15, 2022
Applicant:

SK on Co., Ltd., Seoul, KR;

Inventors:

Jik Soo Kim, Daejeon, KR;

Ji Hoon Choi, Daejeon, KR;

Sang Bok Kim, Daejeon, KR;

Assignee:

SK ON CO., LTD., Seoul, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 53/44 (2025.01); H01M 4/525 (2010.01); H01M 10/0525 (2010.01);
U.S. Cl.
CPC ...
C01G 53/44 (2013.01); H01M 4/525 (2013.01); H01M 10/0525 (2013.01); C01P 2004/50 (2013.01); C01P 2004/61 (2013.01);
Abstract

The present invention provides a cathode active material for a secondary battery, which includes a lithium metal oxide particle having a form of a secondary particle in which a plurality of primary particles are agglomerated, wherein the primary particles comprise a particle having a triangular shape which has a size of a minimum internal angle of 45° or more and a maximum height of 0.5 μm or more.


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