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PREPARATION METHOD OF GRAPHENE-CARBON NANOTUBE COMPOSITE USING SPRAY PYROLYSIS, AND GRAPHENE-CARBON NANOTUBE COMPOSITE PREPARED THEREBY
PREPARATION METHOD OF GRAPHENE-CARBON NANOTUBE COMPOSITE USING SPRAY PYROLYSIS, AND GRAPHENE-CARBON NANOTUBE COMPOSITE PREPARED THEREBY
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机译:喷雾热解法制备石墨碳纳米管复合物的方法及由此制备的石墨碳纳米管复合物
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摘要
According to the present invention, a graphene-carbon nanotube composite is prepared by the following steps: adding graphene and a metal catalyst to a solvent to prepare a catalyst precursor solution; spraying the catalyst precursor solution at a reaction furnace using an aerosol generator; and synthesizing a graphene-carbon nanotube composite through pyrolysis while the sprayed aerosol goes through the reaction furnace. The ratio of graphene and carbon nanotubes in the graphene-carbon nanotube composite of the present invention is 2:1 to 1:5 by weight. According to the present invention, the graphene-carbon nanotube composite forms a three-dimensional network of graphene and carbon nanotubes, has a specific surface area of 300-2,000 m2/g, and has excellent electrical conductivity.
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