ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,444,550, issued on Oct. 14, was assigned to SHENZHEN CAPCHEM TECHNOLOGY Co. LTD. (Shenzhen, China).

"Supercapacitor" was invented by Xiaoxia Xiang (Guangdong, China), Zhengsheng Zhang (Guangdong, China) and Yunxian Qian (Guangdong, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "In order to overcome the problem that the electrochemical performance of the existing supercapacitor is seriously deteriorated at low temperature, the application provides a supercapacitor, comprising a positive electrode, a negative electrode and an organic electrolyte solution, wherein the organic electrolyte solution comprises an organic electrolyte, a proton inert solve...