Transition metal phosphide nano material and preparation method and application thereof
A transition metal and nanomaterial technology, applied in the direction of phosphide, phosphorus compound, chemical instruments and methods, etc., can solve the problems of insufficient reaction of reactant species, unfavorable industrial scale production, poor catalyst stability, etc., achieving high cost and easy control. , the effect of poor circulation
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Embodiment 1
[0057] Example 1 NiCoP / CoP / CoP 2 Preparation of three-component transition metal phosphide nanomaterials
[0058] Preparation of Ni-Co-glycerol precursor
[0059] Dissolve nickel nitrate and cobalt nitrate in a polytetrafluoroethylene reactor filled with isopropanol, then add glycerol and water to form a mixed solution. In the mixed solution, the concentration of cobalt nitrate is 0.220mM, the concentration of nickel nitrate is 0.110mM, the concentration of isopropanol is 0.457M, the concentration of glycerol is 0.071M, and the concentration of water is 0.056mM. Then place the polytetrafluoroethylene reactor in a homogeneous reactor for heating, make the mixed solution react at a temperature of 190° C. for 12 hours at a stirring speed of 15 r / min, cool the obtained product at room temperature, and then The product was centrifuged, washed once with ethanol and water, and then dried at 105 °C to obtain the Ni-Co-glycerol precursor.
[0060] NiCo 2 o 4 preparation of
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Embodiment 2
[0064] Example 2 NiCoP / CoP / CoP 2 Preparation of three-component transition metal phosphide nanomaterials
[0065] Preparation of Ni-Co-glycerol precursor
[0066] Dissolve nickel nitrate and cobalt nitrate in a polytetrafluoroethylene reactor filled with isopropanol, then add glycerol and water to form a mixed solution. In the mixed solution, the concentration of cobalt nitrate is 0.264mM, the concentration of nickel nitrate is 0.066mM, the concentration of isopropanol is 0.457M, the concentration of glycerol is 0.071M, and the concentration of water is 0.056mM. Then place the polytetrafluoroethylene reactor in a homogeneous reactor for heating, make the mixed solution react at a temperature of 190° C. for 12 hours at a stirring speed of 15 r / min, cool the obtained product at room temperature, and then The product was centrifuged, washed once with ethanol and water, and then dried at 105 °C to obtain the Ni-Co-glycerol precursor.
[0067] NiCo 2 o 4 preparation of
...
Embodiment 3
[0070] Example 3 NiCoP / CoP / CoP 2 Preparation of three-component transition metal phosphide nanomaterials
[0071] Preparation of Ni-Co-glycerol precursor
[0072] Dissolve nickel nitrate and cobalt nitrate in a polytetrafluoroethylene reactor filled with isopropanol, then add glycerol and water to form a mixed solution. In the mixed solution, the concentration of cobalt nitrate is 0.165mM, the concentration of nickel nitrate is 0.165mM, the concentration of isopropanol is 0.457M, the concentration of glycerol is 0.071M, and the concentration of water is 0.056mM. Then place the polytetrafluoroethylene reactor in a homogeneous reactor for heating, make the mixed solution react at a temperature of 190° C. for 12 hours at a stirring speed of 15 r / min, cool the obtained product at room temperature, and then The product was centrifuged, washed once with ethanol and water, and then dried at 105 °C to obtain the Ni-Co-glycerol precursor.
[0073] NiCo 2 o 4 preparation of
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