Method for preparing medium pore carbon of narrow aperture and high degree of graphitization
A technology of graphitization degree and narrow pore size, which is applied in the field of porous carbon preparation, can solve the problems of high product cost, complicated preparation process, and wide product pore size distribution, and achieve the effect of low product cost and narrow pore size distribution
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[0016] Example 1
[0017] Add magnesium nitrate to the ethanol solution of thermosetting phenolic resin, the mass ratio of magnesium nitrate to thermosetting phenolic resin is 0.1:1, remove the solvent, cure at 80°C for 0.1h, carbonize at 500°C under inert atmosphere for 0.1h, wash with nitric acid until detection The product is obtained until the metal element is not reached. Product performance indicators are shown in Table 1.
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[0018] Example 2
[0019] Add nickel nitrate to the toluene solution of pitch, the mass ratio of nickel nitrate to pitch is 2:1, remove the solvent, cure at 200℃ for 1h, carbonize at 900℃ under inert atmosphere for 1h, wash with hydrochloric acid until no metal elements are detected to obtain the product . Product performance indicators are shown in Table 1.
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[0020] Example 3
[0021] Add ferric nitrate to the dimethyl sulfoxide solution of polyacrylonitrile, the mass ratio of ferric nitrate to polyacrylonitrile is 6:1, remove the solvent, cure at 400℃ for 5h, carbonize at 1200℃ under inert atmosphere for 3h, pickle with sulfuric acid The product is obtained until no metal elements are detected. Product performance indicators are shown in Table 1.
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