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. 14, 2023
Filed:
Jun. 21, 2021
Lg Chem, Ltd., Seoul, KR;
Byung Chun Park, Daejeon, KR;
Wang Mo Jung, Daejeon, KR;
Seong Hoon Kang, Daejeon, KR;
Ju Kyung Shin, Daejeon, KR;
Sang Min Park, Daejeon, KR;
Sang Wook Lee, Daejeon, KR;
Abstract
In one embodiment, a positive electrode active material for a secondary battery, the positive electrode active material being a primary particle having a monolithic structure that includes a lithium composite metal oxide of Formula 1 below, wherein the primary particle has an average particle size (D) of 2 μm to 20 μm and a Brunauer-Emmett-Teller (BET) specific surface area of 0.15 m/g to 0.5 m/g, and wherein the positive electrode active material has a rolling density of 3.0 g/cc or higher under a pressure of 2 ton·f:LiNiCoM1M3M2O  [Formula 1]