MUMBAI, India, June 26 -- Intellectual Property India has published a patent application (202617018083 A) filed by Lg Energy Solution, Ltd. on February 18, 2026, for Positive Active Material For Lithium Secondary Battery, Preparation Method Therefor, Positive Electrode Comprising Same, And Lithium Secondary Battery.
Inventors include Kim, Dong Hwi; Jeon, Hyelim; Shin, Seungsun; Ryu, Kihoon; and Jang, Joonhyuk.
The application for the patent was published on June 19, 2026, under issue no. 25/2026.
Abstract: According to one embodiment of the present invention, a positive active material for a lithium secondary battery, a preparation method therefor, a positive electrode comprising same, and a lithium secondary battery are provided, the positive active material comprising: a lithium compound represented by chemical formula 1; and a coating layer formed on the surface of the particles of the lithium compound, wherein the coating layer comprises carbon and a surface modifier, and the D/G band ratio, measured by means of Raman spectroscopy, on the surface of the positive active material is 0.7-0.89. [Chemical formula 1] Li1+aTibMncO2-dXd In chemical formula 1, 0.1=a=0.5, 0.2=b=0.6, 0.2=c=0.6, 1.1=(1+a)/(b+c)=1.4, 0=d=0.2, and X is a halogen element.
Disclaimer: Curated by HT Syndication.