MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202647085494 A) filed by Umicore on July 13, 2026, for Positive Electrode Active Material And Method For Manufacturing 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 a positive electrode active material for rechargeable batteries, wherein the positive electrode active material comprises lithium, oxygen, nickel, cobalt, and manganese, wherein the positive electrode active material is a powder comprising single particles and/or secondary particles, wherein each of the single particles consists of only one primary particle and each of the secondary particles consists of at least two primary particles and at most twenty primary particles as observed in a SEM image in a field of view of at least 45 µm x at least 60 µm, wherein the atomic content of Ni, relative to the total amount of Ni, Co, and Mn, of 45.0 to 95.0 at%, as determined by ICP-OES; having an atomic content of Al, relative to the total amount of Ni, Co, and Mn, of 0.3 to 3.0 at%, as determined by ICP-OES; wherein the atomic content of Co, relative to the total amount of Ni, Co, and Mn, of 3.0 to 30.0 at%, as determined by ICP-OES; wherein the atomic content of Mn, relative to the total amount of Ni, Co, and Mn, of 3.0 to 35.0 at%, as determined by ICP-OES; wherein the positive electrode active material further comprises: aluminum and has an atomic ratio of Al to the total amount of Ni, Co, and Mn of 1.0 to 7.0, as determined by XPS analysis, and cobalt and has an atomic ratio of Co to the total amount of Ni, Co, and Mn of 0.25 to 0.45, as determined by XPS analysis.
Disclaimer: Curated by HT Syndication.
