MUMBAI, India, July 13 -- Intellectual Property India has published a patent application (202647081682 A) filed by Umicore Battery Materials Finland Oy; and Umicore on July 02, 2026, for Cathode Active Material And Lithium-Ion Secondary Battery.
Inventors include Blangero, Maxime; Agyemang, Daniel Adjei; Yoon, Yewon; Shin, Minyoung Number; and Isosaari, Eveliina.
The application for the patent was published on July 10, 2026, under issue no. 28/2026.
Abstract: The present invention relates to a cathode active material powder suitable for lithium-ion rechargeable batteries, comprising lithium, M', and oxygen, wherein M' comprises: Ni in a content x, wherein 0.0 = x = 50.0 mol%, relative to M', Mn in a content y, wherein 50.0 = y = 90.0 mol%, relative to M', Co in a content z, wherein 0.0 = z = 40.0 mol%, relative to M', at least one element selected from the group consisting of Al, B, Ba, Ce, Fe, La, Mg, Mo, Nb, S, Sr, Ti, V, Cr, Ca, Zr, Hf, Ta, Y, Zn and W, in a content d, 0.0=d= 10.0 mol%, relative to M'; wherein x, y, z, and d are measured by ICP-OES; and wherein x+y+z+d is 100.0 mol%; and wherein the cathode active material has a specific surface area of at least 0.4 m2/g as determined by BET measurement, and a FWHM(104)c/FWHM(003)c ratio of at most 4.0 as determined by X-Ray diffraction analysis using Cu-Ka ray, wherein FWHM(104)c is a full width at half maximum of the peak in a range of 2? = 43°-45° after instrument correction and FWHM(003)c is a full width at half maximum of a peak in a range of 2? = 17°-20° after instrument correction.
Disclaimer: Curated by HT Syndication.
