MUMBAI, India, July 24 -- Intellectual Property India has published a patent application (202647086088 A) filed by Umicore on July 14, 2026, for Sodium Ion Cathode Active Materials For Batteries.
Inventors include Kumakura, Shinichi; Mccalla, Eric; and Jia, Shipeng.
The application for the patent was published on July 17, 2026, under issue no. 29/2026.
Abstract: The present invention relates to a cathode active material for rechargeable batteries comprising Na, M, and O, wherein M consists of Fe in a molar ratio a, wherein 0.05 = a = 0.40 relative to M; Mn in a molar ratio b, wherein 0.50 = b = 0.90 relative to M; and X in a molar ratio c, wherein 0.01 = c = 0.10 relative to M, and wherein X is at least one element selected from B, Si, K, Co, Ga, Rb, Rh, Cs, Re, Tl and Pb; wherein a+b+c is 1.00, the molar ratio of Na to M (Na/M) is between 0.40 and 1.10, and the content of Na, Fe, Mn and X is measured by ICP-OES and relates to a method for manufacturing the same.
Disclaimer: Curated by HT Syndication.
