ALEXANDRIA, Va., April 7 -- United States Patent no. 12,597,599, issued on April 7, was assigned to Ningde Amperex Technology Ltd. (Ningde, China).
"Negative electrode material and electrochemical apparatus and electronic apparatus containing same" was invented by Qunchao Liao (Ningde, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A negative electrode material includes silicon-based particles. The silicon-based particle includes a silicon-containing matrix and a polymer layer, and the polymer layer is located on a surface of at least a part of the silicon-containing matrix and contains carbon nanotubes and a transition metal element. A lithium-ion battery prepared from the negative active material has...