MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202647086104 A) filed by Umicore on July 14, 2026, for Positive Electrode Active Material Powder And Method For Manufacturing A Positive Electrode Active Material Powder.
Inventors include Hyoung, Jooeun; Kim, Jihye; and Yong, Hansol.
The application for the patent was published on July 17, 2026, under issue no. 29/2026.
Abstract: The present invention is related to a positive electrode active material powder for lithium-ion rechargeable batteries, wherein the positive electrode active material powder comprises particles, wherein each of the particles consists of at least one primary particle and at most twenty primary particles, wherein the positive electrode active material powder essentially comprises Li, Ni, Mn, Al, and O, and wherein Al is introduced by (i) adding a material formed by heating a mixture comprising a Li source and a transition metal composite precursor essentially comprising Ni and Mn to an aqueous solution comprising a Al-containing compound and (ii) milling the material. Due to the aforementioned introduction of Al, the positive electrode active material powder may have a ratio of Ni3+ to Ni2+ as measured by XPS being at least 1.45.
Disclaimer: Curated by HT Syndication.
