ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,887, issued on June 30, was assigned to CENTRAL SOUTH UNIVERSITY (Changsha, China).
"Method and apparatus for extracting lithium from solution using bipolar electrodes" was invented by Zhongwei Zhao (Changsha, China) and Xuheng Liu (Changsha, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An electrochemical method and an apparatus for extracting lithium from a solution using bipolar electrodes are provided. The apparatus adopts electrodes respectively coated with a lithium-rich electroactive material and a lithium-deficient electroactive material as end plates, which are separated by a plurality of bipolar electrodes coated with a lithium-rich...