Molybdenum sulfide/nickel oxide composite material and preparation method and application thereof
A composite material, molybdenum sulfide technology, used in nanotechnology for materials and surface science, hybrid/electric double layer capacitor manufacturing, hybrid capacitor electrodes, etc., can solve the problem of reducing the specific surface area and specific capacity of molybdenum sulfide, and the Agglomeration stacking and other problems to achieve the effect of improving redox reaction activity, compensating for poor electrical conductivity and high specific surface area
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Embodiment 1
[0037] (1) Add 10g of molybdenum sulfide ore (molybdenite) to 1000g of N,N-dimethylformamide, and use an experimental ultrasonic cleaner for continuous ultrasonication for 6 hours to obtain a uniform dispersion, which is the dispersion of molybdenum sulfide nanosheets. liquid;
[0038] (2) Take 75mL of the above dispersion, settle, filter with suction, and dry (in a freeze dryer, the temperature is -50°C, and the drying time is 24h) to obtain solid molybdenum sulfide nanosheets, which are alternately washed three times with 20mL ethanol and 20mL deionized water .
[0039](3) Disperse the above-mentioned molybdenum sulfide nanosheets in 45mL deionized water, and ultrasonically obtain a stable dispersion of molybdenum sulfide nanosheets;
[0040] (4) Get 435, 870, 1740mg nickel nitrate hexahydrate respectively and join in the stable dispersion liquid of above-mentioned molybdenum sulfide nanosheets, mechanically stir to make it disperse evenly;
[0041] (5) Put the above three...
Embodiment 2
[0060] (1) Add 5g molybdenum sulfide ore (molybdenite) to 500g N-methyl-2-pyrrolidone, and use an experimental ultrasonic cleaning machine for continuous ultrasonication for 8 hours to obtain a uniform dispersion, which is molybdenum sulfide nanosheets;
[0061] (2) Take 100 mL of the above-mentioned dispersion liquid, settle, filter with suction to obtain solid molybdenum sulfide nanosheets, and wash with 20 mL of ethanol and 20 mL of deionized water alternately for three times.
[0062] (3) Disperse the above-mentioned molybdenum sulfide nanosheets in 40mL deionized water, and obtain a stable dispersion of molybdenum sulfide nanosheets by ultrasonic;
[0063] (4) Get 712mg nickel chloride hexahydrate and join in the above-mentioned dispersion liquid, mechanical stirring makes it disperse evenly;
[0064] (5) Dissolve 480 mg of urea in 40 mL of deionized water, add it to the mixture in (5), and stir to make it evenly mixed;
[0065] (6) Place the above dispersion in an oil b...
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