MUMBAI, India, July 31 -- Intellectual Property India has published a patent application (202647086907 A) filed by Umicore on July 16, 2026, for Lithium-Manganese-Based Oxide As A Cathode Active Material For Lithium-Ion Rechargeable Batteries.
Inventors include Kumakura, Shinichi; Nguyen, Hongnam; Arszelewska, Violetta; and Beeker, Ide.
The application for the patent was published on July 24, 2026, under issue no. 30/2026.
Abstract: A cathode active material for rechargeable batteries comprising lithium, M1, and oxygen, wherein M1 comprises: - Ni in a content x1, wherein 0.0 x1 45.0 at%, relative to M1; - Mn in a content y1, wherein 50.0 y1 98.0 at%, relative to M1; - Co in a content z1, wherein 0.0 z1 15.0 at%, relative to M1; - Na in a content w1, wherein 0.0 w1 2.0 at%, relative to M1; - S in a content molar ratio ql, wherein 0.0 q1 5.0 at%, relative to M1; - D1 in a content molar ratio dl, wherein 0.0 d2 2.0 at%, relative to M1, wherein D1 is an element different from Li, Ni, Mn, Co, Na, S and O; wherein the content of Ni, Mn, Co, Na, S and D1 is measured by ICP-OES, and x1+y1+z1+w1+q1+d1 is 100.0 at%, and wherein the cathode active material has a BET value of at least 1.0 m2/g.
Disclaimer: Curated by HT Syndication.
