ALEXANDRIA, Va., May 19 -- United States Patent no. 12,633,540, issued on May 19, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).
"Negative electrode active material and preparation method thereof" was invented by Baida Deng (Ningde, China), Meng Kang (Ningde, China), Chen Zeng (Ningde, China) and Libing He (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application provides a negative electrode active material and a preparation method thereof. The negative electrode active material may be self-embedded graphite composed of graphite A and graphite B, where the surface of the graphite A may have a tenon structure, the surface of the graphite B may have a mortis...