▎ 摘　　要

NOVELTY - Preparing redox dimensional porous graphene film-copper nanowire comprises e.g. adding ethanediol, copper nano wire, ascorbic acid and carrying out oxidation, mixing uniformly and adding into hydro-thermal reaction kettle, maintaining temperature and placing in blast drying box and reacting, cooling to room temperature, to obtain copper nano wire-reduction oxidation graphene complex hydrogel, using graphene complex hydrogel and using hydration hydrazine solution and carrying out dialysis, stirring using deionized water and dispersing uniformly, to obtain suspension. USE - The redox dimensional porous graphene film - copper nanowire is useful for preparing strain sensor. ADVANTAGE - The method is simple and economical. DETAILED DESCRIPTION - Preparing redox dimensional porous graphene film-copper nanowire comprises (i) adding ethanediol, copper nano wire, ascorbic acid and carrying out oxidation, where the concentration of copper nano is 0.1-0.4 mg/ml, and concentration of ascorbic acid is 2.0 mg/ml, concentration of graphite alkene is 1.0 mg/ml, mixing uniformly and adding into hydro-thermal reaction kettle, maintaining temperature at 120 degrees C and placing in blast drying box and reacting for 4 hours, cooling to room temperature, to obtain copper nano wire-reduction oxidation graphene complex hydrogel, (ii) using graphene complex hydrogel and using 0.5 wt.% hydration hydrazine solution and carrying out dialysis for 16 hours, stirring using deionized water and dispersing uniformly, to obtain suspension, using sand core filter and carrying out suction filtration and drying, to obtain the product. An INDEPENDENT CLAIM is also included for use method of redox dimensional porous graphene film - copper nanowire comprising using redox dimensional porous graphene film - copper nanowire, cutting into strips of 2x 0.5 cm, connecting into both silver plastic and copper wire as an electrode, pouring liquid polydimethylsiloxane, vacuum pumping and filtering without any air bubbles, drying at 70 degrees C for 2 hours, and curing to obtain a strain sensor.