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US 10,774,450 B2Granted
Method to massively manufacture carbon fibers through graphene composites and the use thereof
OwnerTingying Zeng, Kevin Zeng Qiinventors
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Abstract
This invention innovates a low cost method to synthesize carbon fibers through graphene composites, which are fabricated through chemical treatment of graphite. This invention also is related to the applications of thereof carbon fibers in different fields. Several examples of such fields would be to use carbon fibers to manufacture carbon fiber tubes, pipes or risers, or car/airplane/computer parts, bicycles, and sports supplies and many additional applications.
Claims14
A method of forming carbon fibers comprising the steps of:
- mixing a quantity of graphene oxide in a solvent having a surfactant to disperse the quantity of graphene oxide;
- adding a polymer to the solvent and graphene oxide to form a first mixture;
- stirring the mixture to reach an approximately uniform viscosity;
- adding a quantity of nano-cellulose fibers to the first mixture to form a second mixture, the quantity of nano-cellulose fibers acting as a templating material;
- forming fibers from the second mixture of graphene oxide, solvent, polymer, and nano-cellulose fibers;
- heating the formed fibers in air to a temperature between approximately 200-500 Celsius;
- pyrolyzing the quantity of nano-cellulose by heating the formed fibers in an inert gas environment to approximately 600-900 Celsius;
- and
- annealing the pyrolyzed fibers in a hydrogen and methane environment.
6 more elements
Dependencies are inferred from the claim text.