ALEXANDRIA, Va., Aug. 25 -- United States Patent no. 12,719,045, issued on Aug. 25, was assigned to Ningde Amperex Technology Ltd. (Ningde City, China).
"Negative electrode composite material and application thereof" was invented by Zhihuan Chen (Ningde, China), Ting Yi (Ningde, China), Daoyi Jiang (Ningde, China) and Hang Cui (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A negative electrode composite material includes a Si-M-C composite material. A conductive layer exists on a surface of the Si-M-C composite material, M includes at least one of boron, nitrogen, or oxygen. Chemical shifts of a silicon element in the Si-M-C composite material as measured in a solid-state nuclear magnetic reso...