Preparation method and application of phosphorus-doped molybdenum disulfide/porous carbon composite material
A technology of molybdenum disulfide and composite materials, applied in chemical instruments and methods, chemical/physical processes, hybrid capacitor electrodes, etc., can solve the problems of potential safety hazards in phosphorus source raw materials, increased active surface area, and fewer catalytic active sites , to achieve excellent electrolytic water hydrogen evolution catalytic activity, low cost, and high synthesis yield
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Embodiment 1
[0026] (1) Prepare porous carbon material with natural agar powder as carbon source and urea as nitrogen source; take 1g of agar powder, dissolve it in 20mL deionized water, heat it in a water bath at 90°C and keep stirring until it dissolves, then take Disperse 1g of potassium hydroxide and 1g of urea in the above solution, stir until dissolved; put it in an oven at 80°C for 7 hours; put the dried material in a tube furnace, 2 The temperature was raised to 750°C at a rate of 5°C / min in an atmosphere, kept for 2 hours and then slowly lowered to room temperature; the obtained powder was alternately washed several times with dilute hydrochloric acid and deionized water, and finally the carbon was dried at 100°C for 8 hours to prepare A nitrogen-doped porous carbon material was obtained; 6 mg of nitrogen-doped porous carbon material was stirred in 30 mL deionized water for 30 min; sodium molybdate and thioacetamide were dissolved in the above solution at a ratio of 1:6, and the mi...
Embodiment 2
[0034] (1) Prepare porous carbon material with natural agar powder as carbon source and urea as nitrogen source; take 1g of agar powder, dissolve it in 20mL deionized water, heat it in a water bath at 90°C and keep stirring until it dissolves, then take Disperse 1g of potassium hydroxide and 1g of urea in the above solution, stir until dissolved; put it in an oven at 80°C for 7 hours; put the dried material in a tube furnace, 2The temperature was raised to 750°C at a rate of 5°C / min in an atmosphere, kept for 2 hours and then slowly lowered to room temperature; the obtained powder was alternately washed several times with dilute hydrochloric acid and deionized water, and finally the carbon was dried at 100°C for 8 hours to prepare A nitrogen-doped porous carbon material was obtained; 6 mg of nitrogen-doped porous carbon material was stirred in 30 mL deionized water for 30 min; sodium molybdate and thioacetamide were dissolved in the above solution at a ratio of 1:6, and the mix...
Embodiment 3
[0037] (1) Prepare porous carbon material with natural agar powder as carbon source and urea as nitrogen source; take 1g of agar powder, dissolve it in 20mL deionized water, heat it in a water bath at 90°C and keep stirring until it dissolves, then take Disperse 1g of potassium hydroxide and 1g of urea in the above solution, stir until dissolved; put it in an oven at 80°C for 7 hours; put the dried material in a tube furnace, 2 The temperature was raised to 750°C at a rate of 5°C / min in an atmosphere, kept for 2 hours and then slowly lowered to room temperature; the obtained powder was alternately washed several times with dilute hydrochloric acid and deionized water, and finally the carbon was dried at 100°C for 8 hours to prepare A nitrogen-doped porous carbon material was obtained; 6 mg of nitrogen-doped porous carbon material was stirred in 30 mL deionized water for 30 min; sodium molybdate and thioacetamide were dissolved in the above solution at a ratio of 1:6, and the mi...
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