Novel graphene preparation technique
A preparation process and graphene technology, applied in the field of novel graphene preparation technology, can solve the problems of complex graphene preparation process, high production cost, low output and efficiency, etc., to solve the problems of high area ratio and purity, and improve high efficiency. Area ratio and purity, effect of reducing production cost
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Embodiment 1
[0030] A kind of novel graphene preparation process of the present invention, comprises the following steps: get 50g graphite particles and insert in the stirrer 1, adopt the magnet 2 that four slices of intensity are 0.5T and concentration be the electrolytic solution of the ammonium sulfate of 35%; The magnet 2 is evenly placed around the stirrer 1, the electrolyte and graphite particles are put into the stirrer 1, and stirred by the stirrer 1 for 2 hours to form a mixture of graphene conjugates and electrolyte; the mixture 3 passes through the stirrer 1 was decomposed by centrifugation for 8 minutes at a speed of 1000r / min, and the agglomerated graphene precipitate was removed after centrifugation, and the suspension was collected; the suspension was filtered, washed repeatedly for 5 times with 95% ethanol solution, and then heated at a temperature of 70°C Dry in a vacuum environment for 2 hours to obtain a solid containing graphene; place the solid containing graphene in an...
Embodiment 2
[0033] A kind of novel graphene preparation process of the present invention, comprises the following steps: get 50g graphite particles and insert in the stirrer 1, adopt the magnet 2 that four pieces of strength are 0.3T and volume concentration be the electrolytic solution of the ammonium sulfate of 40%; The magnet 2 is evenly placed around the stirrer 1, the electrolyte and graphite particles are put into the stirrer 1, and after being stirred by the stirrer for 1.5 hours, a mixture of graphene conjugates and electrolyte solution is formed; the mixture 3 is centrifuged Decompose for 8 minutes, the rotating speed is 1000r / min, remove the agglomerated graphene precipitate after centrifugation, and collect the suspension; filter the suspension, wash it repeatedly with water for 5 times, and then dry it in a vacuum environment at 80°C for 2 hours to obtain Graphene solid: The graphene-containing solid is placed in an oxygen-free environment filled with nitrogen for calcination, ...
Embodiment 3
[0036] A kind of novel graphene preparation process of the present invention, comprises the following steps: get 50g graphite particle and insert in agitator 1, adopt four magnets 2 that strength is 0.5T, adopt the imidazolyl hexafluoro that volume ratio is 1:1 Electrolyte of phosphorus salt and water; the magnet 2 is evenly placed around the stirrer 1, the electrolyte and graphite particles are put into the stirrer 1, and after being stirred by the stirrer for 1 hour, a graphene composite and an electrolyte are formed The mixture; the mixture 3 was centrifuged and decomposed by the stirrer 1 for 8 minutes, and the rotating speed was 1000r / min, and the agglomerated graphene precipitate was removed after centrifugation, and the suspension was collected; the suspension was filtered, and 5% ethanol solution was used Repeated washing for several times, and then drying in a vacuum environment at 80°C for 2 hours to obtain a solid containing graphene; placing the solid containing gra...
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