MUMBAI, India, Aug. 10 -- Intellectual Property India has published a patent application (202617004098 A) filed by Lg Energy Solution, Ltd. on January 15, 2026, for Anode Active Material, Method For Preparing Same, Anode Composition, Anode For Lithium Secondary Battery Comprising Same, And Lithium Secondary Battery Comprising Anode.
Inventors include Kim, Dohyeun; Kim, Donghyuk; Lee, Yong Ju; and Hyun, Jaeik.
The application for the patent was published on July 31, 2026, under issue no. 31/2026.
Abstract: An anode active material according to the present application comprises a silicon-based active material having a grain size of about 300 nm or less. The silicon-based active material has a value of about 2.00 or less as defined by the formula of (D90-D10)/D50, and the silicon-based active material includes one or more selected from SiOx (x=0) and SiOx (0x2) and includes about 70 parts or more by weight of the SiOx (x=0) based on 100 parts by weight of the silicon-based active material. In the formula, D90, D10, and D50 mean particle diameters corresponding to 90%, 10%, and 50%, respectively, based on volume in the size distribution.
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