US Patent Issued to CONTEMPORARY AMPEREX TECHNOLOGY on April 21 for "Negative electrode sheet and preparation method therefor, secondary battery, and electric device" (Chinese Inventors)

ALEXANDRIA, Va., April 21 -- United States Patent no. 12,609,320, issued on April 21, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY Co. Ltd. (Ningde, China).

"Negative electrode sheet and preparation method therefor, secondary battery, and electric device" was invented by Yuquan Ai (Ningde, China) and Chengfeng Li (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A positive electrode sheet and a preparation method therefor, a secondary battery, and an electric device. The negative electrode sheet includes a negative electrode current collector, an active material layer, and a passivation layer, where the active material layer is provided between the negative electrode current collector and the ...