Method for preparing graphene efficiently
A graphene and high-efficiency technology, applied in the field of graphene, can solve the problems of low efficiency, pollute the environment, and high cost, and achieve the effects of wide sources, low environmental pollution, and high production efficiency
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[0033] Example 1:
[0034] A method for efficiently preparing graphene is achieved through the following steps:
[0035] (1) Weigh 4g of expanded graphite and 40g of potassium nitrate. The mass ratio of potassium nitrate to expanded graphite is 10:1;
[0036] (2) Add potassium nitrate and expanded graphite into a beaker filled with 80 mL of distilled water and heat and mix until all potassium nitrate is dissolved, then place the beaker in a drying box until the water is completely volatilized to obtain a mixture of expanded graphite and potassium nitrate, and then Put the mixture of expanded graphite and potassium nitrate into a ball milling tank with a volume of 1000 mL, and add zirconium balls according to a ball-to-material mass ratio of 25:1;
[0037] (3) Then install the ball milling tank on the agitating ball mill, ball milling at 70 rpm for 2 hours, and pour the ball mill product and zirconium balls from the ball milling tank;
[0038] (4) Wash the ball milled product and zirco...
Example Embodiment
[0039] Example 2:
[0040] A method for efficiently preparing graphene is achieved through the following steps:
[0041] (1) Weigh 2g of expanded graphite and 40g of potassium chloride. The mass ratio of potassium chloride to expanded graphite is 20:1;
[0042] (2) Add potassium chloride and expanded graphite into a beaker filled with 100 mL of distilled water, heat and mix until all potassium chloride is dissolved, and then place the beaker in a drying box until all the water volatilizes to obtain a mixture of expanded graphite and potassium chloride Then put the mixture of expanded graphite and potassium chloride into a ball mill tank with a volume of 1000 mL, and add zirconium balls according to a ball-to-material mass ratio of 25:1;
[0043] (3) Then install the ball milling tank on the agitating ball mill, ball milling at a speed of 70 rpm for 3 hours, and pour the ball mill products and zirconium balls from the ball milling tank;
[0044] (4) Wash the ball milled product and zir...
Example Embodiment
[0045] Example 3:
[0046] A method for efficiently preparing graphene is achieved through the following steps:
[0047] (1) Weigh 1.5g of expanded graphite and 45g of sodium sulfate. The mass ratio of sodium sulfate to expanded graphite is 30:1;
[0048] (2) Add sodium sulfate and expanded graphite into a beaker filled with 120mL of distilled water and heat and mix until the sodium sulfate is completely dissolved, then place the beaker in a drying box until all the water volatilizes to obtain a mixture of expanded graphite and sodium sulfate, and then Put the mixture of expanded graphite and sodium sulfate into a ball milling tank with a volume of 1000 mL, and add zirconium balls according to a ball mass ratio of 50:1;
[0049] (3) Then install the ball milling tank on the agitating ball mill, ball milling at 70 rpm for 8 hours, and pour the ball mill product and zirconium balls from the ball milling tank;
[0050] (4) Wash the ball milled product and zirconium balls poured out in st...
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