US Patent Issued to NINGDE AMPEREX TECHNOLOGY on Feb. 17 for "Negative electrode plate, electrochemical device, and electronic device" (Chinese Inventors)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,555,782, issued on Feb. 17, was assigned to NINGDE AMPEREX TECHNOLOGY Ltd. (Ningde, China).

"Negative electrode plate, electrochemical device, and electronic device" was invented by Zhihuan Chen (Ningde, China) and Daoyi Jiang (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A negative electrode plate includes: a current collector; and an active material layer, located on the current collector. The active material layer includes a silicon-based material, a carbon material, and a binder. Silicon mass fractions in two places of the active material layer are X1 and X2; the two places cover a same area but are located in different positions, X2...