Nickel-nickel oxide ultrathin nanosheet material and electrodeposition preparation method and application thereof
A technology of nickel oxide and nanosheets, which is applied in the field of new material technology and chemical synthesis, can solve problems such as complicated steps and waste of energy, and achieve the effect of simple equipment, overcoming technical difficulties, and controllable conditions
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Embodiment 1
[0027] Weigh nickel acetate and dissolve in deionized water to obtain 5.078g / L nickel acetate electrolyte solution; activate the surface of the carbon cloth, place the carbon cloth in acetone, alcohol, and deionized water for ultrasonic cleaning for 10 minutes, take out the carbon cloth and place In the acid solution, pour it into a polytetrafluoroethylene-lined reaction kettle, place it in an oven, activate it, keep it at 90°C for 12h, take it out, put it in deionized water and ultrasonically clean it for 5min, and then Dry in an oven for later use; use the surface-activated carbon cloth as the working electrode, and the carbon rod as the counter electrode, place them in the prepared nickel acetate electrolyte solution, and use a workstation to deposit at a constant voltage of -3V for 3600s; rinse with absolute ethanol after deposition, Drying in an oven at 60° C. for 16 hours to obtain nickel-nickel oxide ultrathin nanosheets.
[0028] figure 1 The scanning electron microsc...
Embodiment 2
[0034] Weigh nickel nitrate and dissolve in deionized water to obtain 1g / L nickel acetate electrolyte solution; activate the carbon cloth surface, take the carbon cloth and place it in acetone, alcohol, and deionized water for ultrasonic cleaning for 10 minutes, take out the carbon cloth and place it in acid solution, pour it into a polytetrafluoroethylene-lined reaction kettle, place it in an oven, activate it, keep it at 60°C for 24h, take it out, put it in deionized water and ultrasonically clean it for 5min, and then put it in the oven Dry it inside and set aside; use the surface-activated carbon cloth as the working electrode, and the carbon rod as the counter electrode, place it in the prepared nickel nitrate electrolyte solution, and use a workstation to deposit at a constant voltage of -1V for 14400s; rinse with absolute ethanol after deposition, and dry in an oven Insulated at 50° C. for 12 hours and dried to obtain nickel-nickel oxide ultrathin nanosheets.
[0035]Us...
Embodiment 3
[0037] Weigh nickel sulfate and dissolve in deionized water to obtain a 20g / L nickel sulfate electrolyte solution; activate the surface of the carbon cloth, place the carbon cloth in acetone, alcohol, and deionized water for ultrasonic cleaning for 10 minutes, take out the carbon cloth and place it in acid solution, pour it into a polytetrafluoroethylene-lined reaction kettle, place it in an oven, activate it, keep it warm at 120°C for 5h, take it out, put it in deionized water and ultrasonically clean it for 5min, and then put it in the oven Dry it inside and set aside; use the surface-activated carbon cloth as the working electrode, and the carbon rod as the counter electrode, place them in the prepared nickel sulfate electrolyte solution, and use a workstation to deposit at a constant voltage of -6V for 600s; rinse with absolute ethanol after deposition, and dry in an oven Inner drying at 80° C. for 6 h to obtain nickel-nickel oxide ultrathin nanosheets.
[0038] Using scan...
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