MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202617065675 A) filed by Lg Energy Solution, Ltd. on May 25, 2026, for Cathode For Sodium Secondary Battery, And Sodium Secondary Battery Comprising Same.
Inventors include Kim, Myeong Seong; Song, Myeong Jun; Lee, Ho In; and Hah, Hoe Jin.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: The present invention relates to a cathode for a sodium secondary battery, comprising: a current collector; a first cathode active material layer arranged on the current collector; and a second cathode active material layer arranged on the first cathode active material layer, wherein the first cathode active material layer includes a first cathode active material, the second cathode active material layer includes a second cathode active material, the first cathode active material includes sodium composite transition metal oxide particles with an O3 octahedral crystal structure, the second cathode active material includes sodium composite transition metal oxide particles with a P2 orthorhombic crystal structure, and the ratio of average particle diameters (D50) of the first cathode active material to the second cathode active material is 2:1 to 3:1.
Disclaimer: Curated by HT Syndication.
