▎ 摘　　要

NOVELTY - Sensing element of ionic polymer graphene composite comprises chitosan ionic liquid membrane and graphite membrane electrode. The sensing element is bent. An electric potential is generated between two layers of graphene film electrodes. USE - Sensing element of ionic polymer graphene composite. ADVANTAGE - The composite has higher electric double-layer capacitor. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation of sensing element of ionic polymer graphene composite comprising preparing graphene solution, using anodics film to filter graphene solution, using capillary force during compression of graphene film, adding chitosan to acetic acid solution, mixing at 60 degrees C for 30 minutes to obtain homogeneous solution, adding glycerol and ionic liquid at 60 degrees C for 30 minutes to obtain suspension, adding suspension to polydimethylsiloxane mold, baking at 60 degrees C for 4 hours to obtain chitosan/glycerol/ionic liquid electrolyte membrane and hot pressing at 70 degrees C.