Method for preparing core-shell structured conductive polyaniline/Co3O4 powder
A technology of conductive polyaniline and core-shell structure, applied in the direction of cobalt oxide/cobalt hydroxide, etc., can solve the problems of difficult to control the formation speed of the precipitant, complex reaction conditions, decreased particle purity, etc. Simple, easy-to-source effects
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Embodiment 1
[0028] A core-shell structure conductive polyaniline / Co 3 o 4 The preparation method of powder, comprises the steps:
[0029] 1) Take CoCl 2 ·6H 2 O and add deionized water to stir and dissolve, and prepare CoCl with a concentration of 3mol / L 2 solution, take absorbent cotton and soak it in the prepared CoCl 2 solution, and then take out the absorbent cotton and put it in a high-temperature furnace at 600 ° C for 5 hours of high-temperature reaction, and the product Co 3 o 4 particles;
[0030] 2) Take the Co prepared in step 1) 3 o 4 Particles and hydrochloric acid with a concentration of 2mol / L were added to deionized water, and ultrasonically dispersed for 60min to obtain 3 o 4 particle suspension, where Co 3 o 4 The amount of particles added is 10g of Co per 1L of deionized water 3 o 4 Granules, the volume ratio of hydrochloric acid to deionized water is 1:10;
[0031] 3) Take aniline and add it to the suspension prepared in step 2), and stir evenly with a m...
Embodiment 2
[0035] A core-shell structure conductive polyaniline / Co 3 o 4 The preparation method of powder, comprises the steps:
[0036] 1) Take CoCl 2 ·6H 2 O and add deionized water to stir and dissolve, and prepare CoCl with a concentration of 2mol / L 2 solution, take absorbent cotton and soak it in the prepared CoCl 2 solution, and then take out the absorbent cotton and put it in a high-temperature furnace at 400 ° C for 4 hours of high-temperature reaction, and the product Co 3 o 4 particles;
[0037] 2) Take the Co prepared in step 1) 3 o 4 Particles and hydrochloric acid with a concentration of 2mol / L were added to deionized water, and ultrasonically dispersed for 50min to obtain 3 o 4 particle suspension, where Co 3 o 4 The amount of particles added is 9.8g Co per 1L deionized water 3 o 4 Granules, the volume ratio of hydrochloric acid to deionized water is 1:15;
[0038] 3) Take aniline and add it to the suspension prepared in step 2), stir evenly with a magnetic f...
Embodiment 3
[0041] A core-shell structure conductive polyaniline / Co 3 o 4 The preparation method of powder, comprises the steps:
[0042] 1) Take CoCl 2 ·6H 2 O and add deionized water to stir and dissolve, and prepare CoCl with a concentration of 4mol / L 2 solution, take absorbent cotton and soak it in the prepared CoCl 2 solution, and then take out the absorbent cotton and put it in a high-temperature furnace at 500 ° C for 3 hours of high-temperature reaction, and the product Co 3 o 4 particles;
[0043] 2) Take the Co prepared in step 1) 3 o 4 Particles and hydrochloric acid with a concentration of 2mol / L were added to deionized water, and ultrasonically dispersed for 55min to obtain 3 o 4 particle suspension, where Co 3 o 4 The amount of particles added is 9g of Co per 1L of deionized water 3 o 4 Granules, the volume ratio of hydrochloric acid to deionized water is 1:20;
[0044] 3) Take aniline and add it to the suspension prepared in step 2), and stir evenly with a ma...
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