MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202647085518 A) filed by Umicore on July 13, 2026, for Particle For A Positive Electrode Active Material.
Inventors include Kumakura, Shinichi; Yang, Taehyeon; and Yoo, Kunwoo.
The application for the patent was published on July 17, 2026, under issue no. 29/2026.
Abstract: The present invention relates to particle for a positive electrode active material comprising lithium, nickel, cobalt, aluminium, oxygen and manganese having a ratio Coedge / Cocenter = 1.1 and a ratio Aledge / Alcenter = 20.0, wherein Coedge is an atomic ratio of Co to the total amount of Ni, Co, and Mn at an edge of the particle, Cocenter is an atomic ratio of Co to the total amount of Ni, Co, and Mn at a center of the particle, Aledge is an atomic ratio of Al to the total amount of Ni, Co, and Mn at an edge of the particle, Alcenter is an atomic ratio of Al to the total amount of Ni, Co, and Mn at a center of the particle, and wherein Coedge, Cocenter, Aledge, and Alcenter are measured by cross-sectional SEM-EDS..
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