US Patent Issued to Ningde Amperex Technology on Sept. 1 for "Composite negative electrode material and application thereof" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,793, issued on Sept. 1, was assigned to Ningde Amperex Technology Ltd. (Ningde, China).

"Composite negative electrode material and application thereof" was invented by Ting Yi (Ningde, China), Zhihuan Chen (Ningde, China), Hang Cui (Ningde, China) and Yuansen Xie (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A composite negative electrode material includes a Si-M-C composite material and graphene on a surface of the Si-M-C composite material, where M includes at least one of boron, nitrogen, or oxygen. Solid state nuclear magnetic resonance testing of the Si-M-C composite material shows that chemical shifts of element silicon include...