Preparation method of graphene film
A graphene film, graphene technology, applied in the direction of graphene, chemical instruments and methods, inorganic chemistry, etc., can solve the problems of poor composite quality, mechanical properties of composite films, influence of electrical conductivity, limited contact area, etc., to achieve bonding force Increase, improve mechanical strength and electrical and thermal conductivity, the effect of good strength
Inactive Publication Date: 2019-10-08
上海欣材科技有限公司
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The invention discloses a preparation method of a graphene film. The preparation method includes: preparing hydroxylated multiwalled carbon nanotubes, performing graphene surface modification, preparing a carbon nanotube-graphene compound solution, and preparing the graphene film in a spraying manner. The preparation method has the advantages that the carbon nanotubes and the graphene are integrated, and due to the fact that the graphene and the carbon nanotubes can have a synergistic effect, the mechanical strength, electric conductivity and thermal conductivity of the graphene film can be increased; by the hydroxylation of the multiwalled carbon nanotubes and the surface carboxylation of the graphene, binding force between the carbon nanotubes and the graphene is increased greatly by thereaction force between hydroxyl and carboxyl, and accordingly the graphene film is good in strength, toughness and electric conductivity.
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