▎ 摘　　要

NOVELTY - Preparing a flexible conductive high temperature resistant hydrogel comprises ultrasonically dispersing graphene oxide in water, dissolving ceric ammonium nitrate in nitric acid solution, stirring to obtain mixed solution C, adding N-Isopropylacrylamide (NIPAM) monomer to the mixture C under the condition of protective gas atmosphere and 60±5°C to carry out polymerization reaction, filtering and collecting the reaction product, cleaning to obtain graphene oxide-g-poly(N-isopropylacrylamide), stirring and dispersing graphene oxide-g-poly(N-isopropylacrylamide) into N,N-dimethylformamide to obtain raphene oxide-g-poly(N-isopropylacrylamide) suspension, dissolving poly (vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene) and zinc trifluoromethanesulfonate (Zn(OTf)) in N,N-dimethylformamide, adding the mixed liquid D to the graphene oxide-g-poly(N-isopropylacrylamide) suspension, stirring, performing ultrasonic treatment, filtering to form a film, and vacuum drying. USE - The method is useful for preparing a flexible conductive high temperature resistant hydrogel, which is used in preparing flexible zinc ion batteries (claimed). ADVANTAGE - The method utilizes poly(N isopropylacrylamide) (PNIPAM) to graft graphene oxide, enhances the mechanical properties of the hydrogel, and improves the structural stability of PNIPAM, and improves the conductivity of the hydrogel. The prepared hydrogel has good mechanical properties and high temperature resistance, and can be used in flexible zinc-ion batteries. DETAILED DESCRIPTION - Preparing a flexible conductive high temperature resistant hydrogel comprises (1) ultrasonically dispersing graphene oxide in water to obtain mixed solution A, dissolving ceric ammonium nitrate in nitric acid solution to obtain mixed solution B, adding the mixed solution B to the mixed solution A dropwisely, stirring to obtain the mixed solution C, adding N-Isopropylacrylamide (NIPAM) monomer to the mixture C under the condition of protective gas atmosphere and 60±5°C to carry out polymerization reaction, filtering and collecting the reaction product, cleaning to obtain graphene oxide-g-poly(N-isopropylacrylamide) (GO-g-PNIPAM), (2) stirring and dispersing graphene oxide-g-poly(N-isopropylacrylamide) into N,N-dimethylformamide to obtain raphene oxide-g-poly(N-isopropylacrylamide) suspension, dissolving poly (vinylidene fluoride-trifluoroethylene-chlorotrifluoroethylene) P(VDF-TrFE-CTFE) and zinc trifluoromethanesulfonate (Zn(OTf)) in N,N-dimethylformamide to obtain mixed solution D, adding the mixed liquid D to the graphene oxide-g-poly(N-isopropylacrylamide) suspension, stirring the reaction at 40±5°C under sealed conditions, performing ultrasonic treatment, filtering to form a film, vacuum drying to obtain P(VDF-TrFE-CTFE)/GO-gPNIPAM hydrogel electrolyte, i.e. flexible conductive high temperature resistant hydrogel. INDEPENDENT CLAIMS are also included for: a flexible conductive high temperature resistant hydrogel; and a flexible zinc-ion battery comprising MXene/VO as the positive pole, where the zinc sheet is the negative pole, and flexible conductive high-temperature-resistant hydrogel as electrolyte and diaphragm.