ALEXANDRIA, Va., March 24 -- United States Patent no. 12,583,749, issued on March 24, was assigned to HUBEI WANRUN NEW ENERGY TECHNOLOGY Co. LTD. (Shiyan, China).

"Titanium-zirconium co-doped carbon-coated lithium iron phosphate material and production method and use thereof" was invented by Minglei Cao (Shiyan, China), Qin Wang (Shiyan, China) and Jiaojiao Yang (Shiyan, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a titanium-zirconium co-doped carbon-coated lithium iron phosphate material and a production method and use thereof. The material has a chemical formula of Li1-yZryFe1-xTixPO4/C, wherein titanium is doped to Fe site, zirconium is doped to Li site, 0.001less than equal toxless t...