ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,749,669, issued on Sept. 29, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde City, China).

"Negative electrode active material, and electrochemical apparatus and electronic apparatus using the same" was invented by Jia Tang (Ningde City, China), Lihong He (Ningde City, China), Pengyang Feng (Ningde City, China) and Yuansen Xie (Ningde City, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative electrode active material having a specific aspect ratio and sphericity in a cumulative particle volume distribution. When tested by using a dynamic particle image analyzer, when a cumulative particle volume distribution of the negative electrode...