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:
Jul. 23, 2024
Filed:
Sep. 16, 2019
Posco, Pohang-si, KR;
Research Institute of Industrial Science & Technology, Pohang-si, KR;
Posco Chemical Co., Ltd., Pohang-si, KR;
Kwon Young Choi, Seoul, KR;
Sang Hyuk Lee, Incheon, KR;
Jong Il Park, Pohang-si, KR;
Jung Hoon Song, Seoul, KR;
Sang Cheol Nam, Seoul, KR;
POSCO HOLDINGS INC., Seoul, KR;
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Pohang-si, KR;
POSCOC CHEMICAL CO., LTD, Pohang-si, KR;
Abstract
A positive active material, a manufacturing method thereof, and a lithium secondary battery including the same are disclosed, and a positive active material including lithium metal oxide particles in a secondary particle form including primary particles, wherein the secondary particle surface includes planar primary particles with a narrow angle of 70 to 90° from among angles between a c axis of the primary particles and a straight line connecting a virtual point of a center of the primary particle and a center point of the secondary particle may be provided.