US Patent Issued to DOWA ECO-SYSTEM on Sept. 22 for "Method for recovering lithium and method for processing lithium ion secondary battery" (Japanese Inventors)

ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,744,261, issued on Sept. 22, was assigned to DOWA ECO-SYSTEM Co. LTD. (Tokyo).

"Method for recovering lithium and method for processing lithium ion secondary battery" was invented by Chihiro Nishikawa (Tokyo), Yoshihiro Honma (Tokyo), Ryoei Watanabe (Tokyo), Masataka Yamashita (Tokyo), Yoshiki Ito (Tokyo) and Yoshitaka Yoshiwara (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a method for recovering lithium, for recovering lithium from a lithium ion secondary battery, the method including: a thermal treatment step of thermally treating a lithium ion secondary battery having a residual voltage higher than or equal to 80% of a rated vol...