Intellectual Property India Publishes Patent Application for Sodium Ion Cathode Active Materials For Batteries

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...