MUMBAI, India, March 14 -- Intellectual Property India has published a patent application (202647025597 A) filed by Umicore, Brussels, on March 4, for 'positive electrode active material powder and method for manufacturing a positive electrode active material powder.'
Inventor(s) include Zhu, Liang; Agyemang, Daniel Adjei; Karakulina, Olesia; Bae, Jiyoung; and Seo, Deokho.
The application for the patent was published on March 13, under issue no. 11/2026.
According to the abstract released by the Intellectual Property India: "The present invention relates to a positive electrode active material powder comprising secondary particles comprising a plurality of primary particles, wherein the positive electrode active material powder comprises a lithium metal oxide comprising lithium (Li), M',and oxygen (O), wherein the first lithium metal oxide has a layered a-NaFeO2 structure; wherein M' comprises titanium (Ti) and at least one element selected from the group consisting of nickel (Ni) and manganese (Mn); wherein a grain boundary is present between adjacent primary particles of the secondary particles; wherein a concentration of Ti in the grain boundary is greater than a concentration of Ti in the adjacent primary particles; and wherein the positive electrode active material powder has a surface area between 0.3 m2/g and 1.2 m2/g as determined by BET measurement."
The patent application was internationally filed on Aug. 05, 2024, under International application No.PCT/EP2024/072142.
Disclaimer: Curated by HT Syndication.
