Method for preparing porous nanometer graphite
A technology of nano-graphite and iron salt, applied in the direction of nanotechnology, nanotechnology, nanotechnology for materials and surface science, etc., can solve the problems of difficult operation, expensive raw materials, high production cost, etc., to reduce energy consumption and production cost , Lower conversion temperature, lower equipment requirements
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[0019] Example 1:
[0020] Weigh 0.025 moles of ferric nitrate, 0.075 moles of glycine, and 0.075 moles of carbon source, dissolve various raw materials in distilled water to prepare solutions, and place the solutions on a temperature-controlled electric furnace for heating. After the solution undergoes volatilization and concentration, the solution reacts to obtain a precursor powder. The precursor powder is reacted at 700° C. under a nitrogen atmosphere for 4 hours, and then the powder is washed with hydrochloric acid and ethanol and dried to obtain porous nano graphite.
Example Embodiment
[0021] Example 2:
[0022] Weigh 0.025 moles of ferric nitrate, 0.025 moles of urea, and 0.05 moles of carbon source, dissolve various raw materials in distilled water to prepare a solution, and place the solution on a temperature-controlled electric furnace for heating. After the solution undergoes volatilization and concentration, it reacts to obtain precursor powder. The precursor powder is reacted for 3 hours at 900°C under an argon atmosphere, and then the powder is washed with hydrochloric acid and water and dried to obtain porous nano graphite .
Example Embodiment
[0023] Example 3:
[0024] Weigh 0.025 moles of ferric chloride, 0.075 moles of ammonium nitrate, 0.075 moles of glycine, and 0.1 moles of carbon source, dissolve various raw materials in distilled water to prepare a solution, and place the solution on a temperature-controlled electric furnace for heating. After the solution undergoes volatilization and concentration, the solution reacts to obtain precursor powder. The precursor powder is reacted at 1000° C. in a vacuum atmosphere for 2 hours, and then the powder is washed with nitric acid and ethanol and dried to obtain porous nano graphite.
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