A kind of method that carbonization enteromorpha prepares supercapacitor electrode material
An electrode material and prolifera technology, which is applied in the field of supercapacitor electrode material preparation to achieve the effects of cheap raw materials, wide sources and temperature controllable
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example 1
[0025] The cleaned enteromorpha was vacuum freeze-dried for 48 hours until completely dry. Put the completely dried sample in a special tubular resistance furnace, raise the temperature to 950°C under the protection of nitrogen atmosphere, and carbonize at constant temperature for 3 hours, take out the carbide at room temperature, wash until the filtrate is colorless, and then place the carbide in hydrochloric acid solution Ultrasonic dispersion, followed by magnetic stirring at 60°C for 12 hours, suction filtration with deionized water until the filtrate was neutral, and finally the product was vacuum-dried to obtain the desired porous activated carbon material. Grind the prepared activated carbon sample into powder, mix the activated carbon material and the binder PVDF at a ratio of 9:1, add a small amount of N-methylpyrrolidone dropwise to prepare a viscous slime, and use graphite paper as the current collector , the viscous mud was loaded on graphite paper, and the activat...
example 2
[0027] The cleaned enteromorpha was vacuum freeze-dried for 48 hours until completely dry. Put the completely dried sample in a special tubular resistance furnace, raise the temperature to 600°C under the protection of nitrogen atmosphere, and carbonize at constant temperature for 3 hours. Take out the carbide at room temperature, wash until the filtrate is colorless, and then place the carbide in hydrochloric acid solution Ultrasonic dispersion, followed by magnetic stirring at 60°C for 12 hours, suction filtration with deionized water until the filtrate was neutral, and finally the product was vacuum-dried to obtain the desired porous activated carbon material. Grind the prepared activated carbon sample into powder, mix the activated carbon material and the binder PVDF at a ratio of 9:1, add a small amount of N-methylpyrrolidone dropwise to prepare a viscous slime, and use graphite paper as the current collector , the viscous mud was loaded on graphite paper, and the activat...
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