ALEXANDRIA, Va., May 5 -- United States Patent no. 12,620,579, issued on May 5, was assigned to HUBEI RT ADVANCED MATERIALS GROUP COMPANY Ltd. (Huangshi, China).

"Method for preparing carbon-coated lithium iron phosphate material from ferrous phosphate" was invented by Ji Yang (Huangshi, China), Yihua Wei (Huangshi, China), Jie Sun (Huangshi, China), Zhonglin He (Huangshi, China), Jianhao He (Huangshi, China), Haijuan Liu (Huangshi, China), Hao Li (Huangshi, China), Menghua Yu (Huangshi, China), Zhengchuang Cheng (Huangshi, China), Xiong Wang (Huangshi, China) and Hongfu Qi (Huangshi, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to the technical field of lithium ion bat...