Silver/zirconia/carbon composite nanofiber membrane material, preparation method and application
A technology of nanofiber membrane and zirconia, applied in the direction of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of electrical conductivity and electrocatalytic performance, poor flexibility of nanofibers, etc., to achieve Expand application potential, enhance performance, and expand application effects
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Embodiment 1
[0061] Such as figure 1 As shown, 0.4g PAN and 0.4g PVP were added to 6mL DMF solvent to form a solution with a mass ratio of 1:1:14. After magnetic stirring for 5h, 0.3mL HAc and 0.75mL Zr(C 3 h 7 O) 4 (about 0.5g), the precursor spinning solution was obtained after magnetic stirring for 10 h. Put the precursor spinning solution into the syringe, and control the extrusion rate of the syringe to 1.1mL / h by the micro-injection pump, form a fine jet stream under the action of a voltage of 15kV, and collect it directly on the aluminum film of the receiving plate in a disordered state A composite fiber membrane 1 is formed. Dry the collected composite fiber membrane 1 and place it in a tube furnace for sintering 2. Raise the temperature to 270°C at a rate of 2°C / min and keep it for 2 hours, then raise the temperature to 1100°C at a rate of 2°C / min under a nitrogen atmosphere After heat preservation for 1h, highly flexible ZrO was obtained after cooling 2 / C Composite Nanofibe...
Embodiment 2
[0064] Such as figure 1 As shown, 0.4g PAN and 0.4g PVP were added to 6mL DMF solvent to form a solution with a mass ratio of 1:1:14. After magnetic stirring for 5h, 0.3mL HAc and 0.75mL Zr(C 3 h 7 O) 4 (about 0.5g), the precursor spinning solution was obtained after magnetic stirring for 10 hours; the precursor spinning solution was loaded into a syringe, and the syringe was controlled by a micro-injection pump at an extrusion rate of 1.1mL / h, under the action of a voltage of 15kV A thin spray stream is formed, which is directly collected on the aluminum film of the receiving plate in a disordered state to form a composite fiber film 1 . Dry the collected composite fiber membrane 1 and place it in a tube furnace for sintering 2. Raise the temperature to 270°C at a rate of 2°C / min and keep it for 2 hours, then raise the temperature to 1100°C at a rate of 2°C / min under a nitrogen atmosphere After heat preservation for 1h, highly flexible ZrO was obtained after cooling 2 / C ...
Embodiment 3
[0066] Such as figure 1 As shown, 0.4g PAN and 0.4g PVP were added to 6mL DMF solvent to form a solution with a mass ratio of 1:1:14. After magnetic stirring for 5h, 0.3mL HAc and 0.75mL Zr(C 3 h 7 O) 4 (about 0.5g), the precursor spinning solution was obtained after magnetic stirring for 10 hours; the precursor spinning solution was loaded into a syringe, and the syringe was controlled by a micro-injection pump at an extrusion rate of 1.1mL / h, under the action of a voltage of 15kV A thin spray stream is formed, which is directly collected on the aluminum film of the receiving plate in a disordered state to form a composite fiber film 1 . Dry the collected composite fiber membrane 1 and place it in a tube furnace for sintering 2. Raise the temperature to 270°C at a rate of 2°C / min and keep it for 2 hours, then raise the temperature to 1100°C at a rate of 2°C / min under a nitrogen atmosphere After heat preservation for 1h, highly flexible ZrO was obtained after cooling 2 / C ...
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Abstract
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