Silver vanadium oxide / polymer three coaxial nanowire and preparation method and application thereof
A technology of silver vanadium oxide and polymer, applied in the field of nanomaterials and electrochemistry, to improve cycle stability, prevent structural damage, improve specific capacity and cycle stability
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Embodiment 1
[0030] The preparation method of silver vanadium oxide / polyaniline triaxial nanowire, it comprises the steps:
[0031] 1) Weigh ammonium metavanadate containing 2 mmol of vanadium ions and dissolve in 40 mL of deionized water, then weigh the same amount of silver nitrate and dissolve in 40 mL of deionized water, mix the two solutions under stirring conditions, Continue to stir for 1 hour to obtain a precursor solution for subsequent use;
[0032] 2) Transfer the precursor solution obtained in step 1) to a 150 mL reactor, react at 180°C for 24 hours, take out the reactor, cool to room temperature naturally, and centrifuge to obtain the precipitate;
[0033] 3) The resulting precipitate was repeatedly washed with deionized water and dried in an oven at 80 °C to finally obtain β-AgVO 3 nanowire, spare;
[0034] 4) Weigh the β-AgVO obtained in step 3) 3 0.1 g of nanowires was dispersed into 20 mL of deionized water after stirring and ultrasonic treatment, and 0.05 g of aniline...
Embodiment 2
[0040] The preparation method of silver vanadium oxide / polyaniline triaxial nanowire, it comprises the steps:
[0041] 1) Weigh ammonium metavanadate containing 2 mmol of vanadium ions and dissolve in 40 mL of deionized water, then weigh the same amount of silver acetate and dissolve in 40 mL of deionized water, mix the two solutions under stirring conditions, Continue to stir for 1 hour to obtain a precursor solution for subsequent use;
[0042] 2) Transfer the precursor solution obtained in step 1) to a 150 mL reactor, react at 160°C for 36 hours, take out the reactor, cool to room temperature naturally, and centrifuge to obtain the precipitate;
[0043] 3) The resulting precipitate was repeatedly washed with deionized water and dried in an oven at 80 °C to finally obtain β-AgVO 3 nanowire, spare;
[0044] 4) Weigh the β-AgVO obtained in step 3) 3 0.1 g of nanowires was dispersed into 20 mL of deionized water after stirring and ultrasonic treatment, and 0.05 g of aniline...
Embodiment 3
[0047] The preparation method of silver vanadium oxide / polyaniline triaxial nanowire, it comprises the steps:
[0048] 1) Weigh vanadium pentoxide sol containing 3 mmol vanadium ions and dissolve it in 40 mL deionized water, then weigh the same amount of silver carbonate and dissolve it in 40 mL deionized water, and mix the two solutions under stirring , and continue to stir for 1 hour to obtain a precursor solution, which is set aside;
[0049] 2) Transfer the precursor solution obtained in step 1) to a 150 mL reactor, react at 200°C for 12 hours, take out the reactor, cool to room temperature naturally, and centrifuge to obtain the precipitate;
[0050] 3) The resulting precipitate was repeatedly washed with deionized water and dried in an oven at 80 °C to finally obtain β-AgVO 3 nanowire, spare;
[0051] 4) Weigh the β-AgVO obtained in step 3) 3 0.1g of nanowires was dispersed into 20 mL of deionized water after stirring and ultrasonic treatment, and 0.05 g of aniline m...
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