Mesoporous nanotube material of inorganic salt, preparation method of mesoporous nanotube material by employing gradient pyrolysis and electrostatic spinning, and application of mesoporous nanotube material
A technology of inorganic salts and nanotubes, applied in the manufacture of hybrid/electric double layer capacitors, circuits, electrical components, etc., can solve problems such as limiting development and application, and achieve the effects of shortening the transmission path, improving electrochemical performance, and effective self-expansion
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[0054] Example 1:
[0055] 1) According to the stoichiometric ratio, weigh out 0.189g lithium hydroxide monohydrate, 0.345g ammonium metavanadate, 0.5175g ammonium dihydrogen phosphate, 0.40g oxalic acid dihydrate, add 20mL deionized water, magnetically stir at room temperature to make it Dissolve all to form a uniform and transparent solution;
[0056] 2) Weigh 1g of low molecular weight PVA, 0.70g of medium molecular weight PVA and 0.35g of high molecular weight PVA into the uniform transparent solution obtained in step 1), put it in a constant temperature water bath at 80°C, and magnetically stir for 12 hours to make it Dissolve
[0057] 3) Take out the solution of step 2) and let it stand for 2 hours at room temperature to form a uniform, transparent, yellow precursor solution with a certain viscosity;
[0058] 4) Add the precursor obtained in step 3) into the syringe, perform electrospinning under the conditions of positive high voltage 17kV and negative high voltage -2kV, and r...
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[0067] Example 2:
[0068] 1) Weigh 0.345 g ammonium metavanadate and 0.5399 g sodium dihydrogen phosphate according to the stoichiometric ratio, add 20 mL of deionized water, and magnetically stir at room temperature to dissolve them to form a uniform and transparent solution;
[0069] 2) Weigh 1g of low molecular weight PVA, 0.70g of medium molecular weight PVA and 0.35g of high molecular weight PVA into the uniform transparent solution obtained in step 1), put it in a constant temperature water bath at 80°C, and magnetically stir for 12 hours to make it Dissolve
[0070] 3) Take out the solution of step 2) and let it stand for 2 hours at room temperature to form a uniform, transparent, yellow precursor solution with a certain viscosity;
[0071] 4) Add the sol precursor solution obtained in step 3) into the syringe, perform electrospinning under the conditions of positive high voltage 17kV and negative high voltage -2kV, and receive nanofibers with aluminum foil;
[0072] 5) Put the...
Example Embodiment
[0074] Example 3:
[0075] 1) Weigh 0.255 g of sodium nitrate, 0.315 g of manganese acetate tetrahydrate, and 1.212 g of ferric nitrate nonahydrate into 20 mL of deionized water according to the stoichiometric ratio, and magnetically stir at room temperature to dissolve them to form a uniform and transparent solution.
[0076] 2) Weigh 1g of low molecular weight PVA, 0.70g of medium molecular weight PVA and 0.35g of high molecular weight PVA into the uniform transparent solution obtained in step 1), put it in a constant temperature water bath at 80°C, and magnetically stir for 12 hours to make it Dissolve.
[0077] 3) Take out the solution of step 2) and let it stand for 2 hours at room temperature to form a uniform, transparent, yellow precursor solution with a certain viscosity.
[0078] 4) Add the sol precursor solution obtained in step 3) into the syringe, perform electrospinning under the conditions of positive high voltage 17kV and negative high voltage -2kV, and receive nanofib...
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