ALEXANDRIA, Va., March 17 -- United States Patent no. 12,580,227, issued on March 17, was assigned to GUANGZHOU TINCI MATERIALS TECHNOLOGY Co. LTD. (Guangzhou, China).

"Bissulfonate compound, preparation method therefor, electrolyte solution and energy storage device" was invented by Gejin Cao (Guangzhou, China), Weizhen Fan (Guangzhou, China), Chaojun Fan (Guangzhou, China), Lei Xu (Guangzhou, China), Yong Xin (Guangzhou, China) and Jingwei Zhao (Guangzhou, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a bissulfonate compound, a preparation method therefor, an electrolytic solution and an energy storage device. The bissulfonate compound has a structure of (I) and is applied as an additiv...