ALEXANDRIA, Va., June 19 -- United States Patent no. 12,331,381, issued on June 17, was assigned to Shenzhen Huineng Energy Storage Materials Engineering Research Center Co. LTD (Shenzhen, China) and National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co. Ltd (Shenzhen, China).

"Method of using a chlorination method to recycle metal elements in lithium batteries" was invented by Faping Zhong (Shenzhen, China), Chihuan He (Shenzhen, China), Subin Jiang (Shenzhen, China), Hongbing Liu (Shenzhen, China), Jiqun Zhu (Shenzhen, China) and Shuifa Tan (Shenzhen, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of using a chlorination method to recycle metal elements in l...