▎ 摘　　要

NOVELTY - A compression-type graphene hydrogel comprises graphene oxide and phytic acid. USE - Compression-type graphene hydrogel for electrode material in supercapacitor. ADVANTAGE - Compression-type graphene hydrogel has stable structure, large specific area, and excellent electrochemical performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of compression-type graphene hydrogel which involves performing hydrothermal reaction of graphene oxide as precursor, adding water to form solution, adding into inner lining of reactor, doping phytic acid, mixing to react, and freeze-drying.