MUMBAI, India, June 6 -- Intellectual Property India has published a patent application (202517020120 A) filed by Lg Energy Solution Ltd., Seoul, Republic of Korea, on March 6, for 'positive electrode active material manufacturing method therefor and positive electrode and lithium secondary battery comprising same.'
Inventor(s) include Heo Jong Wook; Park Byung Chun; Jo Chi Ho; Kim Ji Hye; and Jung Hae Jung.
The application for the patent was published on June 6, under issue no. 23/2025.
According to the abstract released by the Intellectual Property India: "The present invention relates to a positive electrode active material and a manufacturing method therefor the positive electrode active material comprising: a lithium composite transition metal oxide which is in the form of a secondary particle in which a plurality of grains are aggregated and includes an oriented structure in which the long axis of the grains is arranged in a direction from the center of the secondary particle to the surface thereof in at least a portion of the secondary particle; and a coating layer formed on the surface of the secondary particle and comprising a Co element wherein the lithium composite transition metal oxide contains nickel and cobalt and satisfies C1 C2 C3 when the ratio of the mole number of cobalt to the mole number of nickel inside the grains is C1 the ratio of the mole number of cobalt to the mole number of nickel at the grain boundary which is the interface between the grains is C2 and the ratio of the mole number of cobalt to the mole number of nickel in the coating layer is C3."
The patent application was internationally filed on Dec. 21, 2023, under International application No.PCT/KR2023/021345.
Disclaimer: Curated by HT Syndication.
