US Patent Issued to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) on Sept. 9 for "Positive electrode active material and preparation method thereof, positive electrode plate, lithium-ion secondary battery, and apparatus containing such lithium-ion secondary battery" (Chinese Inventors)

ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,921, issued on Sept. 9, was assigned to CONTEMPORARY AMPEREX TECHNOLOGY (HONG KONG) Ltd. (Hong Kong).

"Positive electrode active material and preparation method thereof, positive electrode plate, lithium-ion secondary battery, and apparatus containing such lithium-ion secondary battery" was invented by Shushi Dou (Ningde, China), Chunhua Hu (Ningde, China), Yao Jiang (Ningde, China), Qi Wu (Ningde, China), Jinhua He (Ningde, China) and Bin Deng (Ningde, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "This application discloses a positive electrode active material, including bulk particles and a coating layer applied on an exterior surface of e...