Preparation method of molybdenum disulfide/graphene/carbon hierarchical pore composite material
A technology of molybdenum disulfide and composite materials, which is applied in chemical instruments and methods, separation methods, alkali metal compounds, etc., and can solve the problems of preparing molybdenum disulfide/graphene/carbon composite fiber materials that have not been reported
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Embodiment 1
[0033] Weigh 0.6g of polyacrylonitrile, 0.5g of polyvinylpyrrolidone, 0.3g of ammonium tetrathiomolybdate and 0.05g of graphene, stir and dissolve in 12g of DMF, use 400-mesh stainless steel mesh to filter and set aside; take an appropriate amount of solution for electrospinning , the electrospinning parameters are spinning voltage of 20kV, propulsion rate of 0.015mL / min, spinning receiving distance of 18cm, syringe needle of 8#, spinning at room temperature for 4h to obtain a composite fiber membrane; the above composite fiber membrane into a tube furnace at N 2 / H 2(Volume ratio: 9 / 1) In a mixed atmosphere, raise the temperature to 400°C at a heating rate of 2°C / min, maintain it for 4h, then cool down to room temperature, take it out; prepare KOH saturated solution, and process the composite fiber membrane / KOH as above The mass ratio is 1:5 for impregnation treatment, put the composite fiber membrane after the above treatment into KOH saturated solution in proportion, ultra...
Embodiment 2
[0035] Weigh 1.5g of polyacrylonitrile, 1.0g of polyvinylpyrrolidone, 0.8g of ammonium tetrathiomolybdate and 0.2g of graphene, stir and dissolve in 16g of DMF, use 400 mesh stainless steel mesh to filter and set aside; take an appropriate amount of solution for electrospinning , the electrospinning parameters are spinning voltage of 20kV, propulsion rate of 0.015mL / min, spinning receiving distance of 18cm, syringe needle of 8#, spinning at room temperature for 2h to obtain a composite fiber membrane; the above composite fiber membrane into a tube furnace at N 2 / H 2 (Volume ratio: 9 / 1) In a mixed atmosphere, raise the temperature to 450°C at a heating rate of 6°C / min, maintain it for 1h, then cool down to room temperature, take it out; prepare KOH saturated solution, and process the composite fiber membrane / KOH as above The mass ratio is 1:0.5 for impregnation treatment, put the composite fiber membrane after the above treatment into KOH saturated solution in proportion, ult...
Embodiment 3
[0038] Weigh 1.0g of polyacrylonitrile, 1.2g of polyvinylpyrrolidone, 1.0g of ammonium tetrathiomolybdate and 0.1g of graphene, stir and dissolve in 10g of DMF, use 400 mesh stainless steel mesh to filter and set aside; take an appropriate amount of solution for electrospinning , the electrospinning parameters are spinning voltage of 20kV, propulsion rate of 0.015mL / min, spinning receiving distance of 18cm, syringe needle of 8#, spinning at room temperature for 10h to obtain a composite fiber membrane; the above composite fiber membrane into a tube furnace at N 2 / H 2 (Volume ratio: 9 / 1) In a mixed atmosphere, raise the temperature to 380°C at a heating rate of 4°C / min, maintain it for 6h, then cool down to room temperature, take it out; prepare KOH saturated solution, and process the composite fiber membrane / KOH as above The mass ratio is 1:10 for impregnation treatment, the composite fiber membrane after the above treatment is put into the KOH saturated solution in proporti...
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