ALEXANDRIA, Va., July 9 -- United States Patent no. 12,354,799, issued on July 8, was assigned to Jilin University (Changchun, China).

"Integrated polyphase hydrogel and preparation method and application thereof in flexible and stretchable supercapacitor" was invented by Wen Li (Changchun, China) and Chuanling Mu (Changchun, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention discloses an integrated multiphase hydrogel, and a preparation method and application thereof in flexible and stretchable supercapacitors. The integrated multiphase hydrogel of the present invention is formed by implanting semigel electrode into semigel electrolyte by injection or printing, wherein the electrolyt...