Preparation method of poly-3, 4-ethylenedioxythiophene/molybdenum disulfide/graphene composite material
A technology of ethylenedioxythiophene and molybdenum disulfide, applied in the manufacture of hybrid/electric double layer capacitors, hybrid capacitor electrodes, etc., can solve problems such as easy agglomeration of capacitors, and achieve improved specific capacitance, high specific capacitance, and excellent electrochemical performance. The effect of cycle stability
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Embodiment 1
[0021] (1) Add 120 mg of graphene oxide into 60 mL of deionized water, mechanically stir for 1.5 h at room temperature, and ultrasonicate for 3 h to prepare graphene oxide dispersion I; 0.5 g of ammonium molybdate tetrahydrate and 0.15 g of thiourea were added to 30 mL of deionized water, and mechanically stirred for 15 min at room temperature to prepare the mixed solution II of ammonium molybdate and thiourea; the mixed solution II was added to the dispersion I, and mechanically stirred for 15 min , and then ultrasonicated for 45 min, transferred to a hydrothermal reactor lined with polytetrafluoroethylene, and reacted at 200 °C for 24 h. After the reaction, it was centrifuged, washed, and vacuum-dried at 60 °C for 24 h to prepare graphite ene-supported molybdenum disulfide.
[0022] (2) Add 50 mg of graphene-loaded molybdenum disulfide and 70 mg of orange II to 15 mL of deionized water, mechanically stir for 1.5 h, and then sonicate for 3 h to prepare a mixed dispersion of g...
Embodiment 2
[0028](1) Add 60 mg of graphene oxide into 30 mL of deionized water, stir mechanically for 1 h at room temperature, and then sonicate for 2 h to prepare graphene oxide dispersion I; add 0.4 g of molybdic acid tetrahydrate Ammonium and 0.1 g thiourea were added to 20 mL of deionized water, and mechanically stirred for 10 min at room temperature to prepare the mixed solution II of ammonium molybdate and thiourea; the mixed solution II was added to the dispersion I, and mechanically stirred for 10 min min, and then ultrasonicated for 30 min, transferred to a hydrothermal reactor lined with polytetrafluoroethylene, and reacted at 180 °C for 36 h. After the reaction, it was centrifuged, washed, and vacuum-dried at 60 °C for 24 h to prepare Graphene supported molybdenum disulfide.
[0029] (2) Add 40 mg of graphene-loaded molybdenum disulfide and 20 mg of orange II to 10 mL of deionized water, stir mechanically for 1 h, and then ultrasonically for 2 h to prepare a mixed dispersion o...
Embodiment 3
[0032] (1) Add 180 mg of graphene oxide into 90 mL of deionized water, stir mechanically for 2 h at room temperature, and then sonicate for 4 h to prepare graphene oxide dispersion I; add 0.6 g of molybdic acid tetrahydrate Ammonium and 0.2 g thiourea were added to 40 mL deionized water, and mechanically stirred for 20 min at room temperature to prepare the mixed solution II of ammonium molybdate and thiourea; the mixed solution II was added to the dispersion I, and mechanically stirred for 30 min min, and then ultrasonicated for 60 min, transferred to a hydrothermal reactor lined with polytetrafluoroethylene, and reacted at 220 °C for 12 h. After the reaction, it was centrifuged, washed, and vacuum-dried at 60 °C for 24 h to prepare Graphene supported molybdenum disulfide.
[0033] (2) Add 60 mg of graphene-supported molybdenum disulfide and 120 mg of orange II to 20 mL of deionized water, stir mechanically for 2 h, and then sonicate for 4 h to prepare a mixed dispersion of g...
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