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. 13, 2024
Filed:
Dec. 07, 2018
Positive active material for lithium secondary battery and lithium secondary battery comprising same
Posco Holdings Inc., Seoul, KR;
Research Institute of Industrial Science & Technology, Pohang-si, KR;
Posco Future M Co., Ltd., Pohang-si, KR;
Kwon Young Choi, Seoul, KR;
Jong Il Park, Pohang-si, KR;
Sang Cheol Nam, Seoul, KR;
Sang Hyuk Lee, Incheon, KR;
POSCO HOLDINGS INC., Seoul, KR;
RESEARCH INSTITUTE OF INDUSTRIAL SCIENCE & TECHNOLOGY, Pohang-si, KR;
POSCO FUTURE M CO., LTD., Pohang-si, KR;
Abstract
The present disclosure relates to a positive active material for a lithium rechargeable battery and a lithium rechargeable battery including the same, which include a first compound represented by Chemical Formula 1 and a second compound represented by Chemical Formula 2, and a content of the first compound is 65 wt % or more based of the positive active material of 100 wt %.LiNiCoMnM1M2O[ Chemical Formula 1]LiNiCOMnM3M4O[ Chemical Formula 2]