Slurry for manufacturing graphene sheet combining graphite flake structure

Abstract

A slurry for manufacturing a graphene sheet combining graphite flake structure includes a solvent, a graphite nanoplatelet material and a graphene material. The graphite nanoplatelet material includes a plurality of graphite nanoplatelets. The graphene material comprising a plurality of graphenes. The graphite nanoplatelet material and the graphene material is mixed in the solvent, a weight percentage of the graphite nanoplatelet material is between 0.1% and 10%, and the content of the graphene material is between 1% and 80% of the graphite nanoplatelet material.

What is claimed is: 
     
         1 . A slurry for manufacturing a graphene sheet combining graphite flake structure, comprising:
 a solvent;   a graphite nanoplatelet material comprising a plurality of graphite nanoplatelets; and   a graphene material comprising a plurality of graphenes;   wherein, the graphite nanoplatelet material and the graphene material are mixed in the solvent, a weight percentage of the graphite nanoplatelet material is between 0.1% and 10%, and the content of the graphene material is between 1% and 80% of the graphite nanoplatelet material.   
     
     
         2 . The slurry of  claim 1 , wherein a weight percentage of the graphite nanoplatelet material is between 0.2% and 10%. 
     
     
         3 . The slurry of  claim 1 , wherein a size of the graphite nanoplatelets is between 5 μm and 200 μm. 
     
     
         4 . The slurry of  claim 1 , wherein a thickness of the graphite nanoplatelets is between 0.1 μm and 0.5 μm. 
     
     
         5 . The slurry of  claim 1 , wherein a size of the graphenes is between 1 μm and 50 μm. 
     
     
         6 . The slurry of  claim 1 , wherein a thickness of the graphenes is between 0.002 μm and 0.02 μm. 
     
     
         7 . The slurry of  claim 1 , wherein a thickness of the manufactured graphene sheet combining graphite flake structure is between 2 μm and 100 μm. 
     
     
         8 . The slurry of  claim 1 , wherein the manufactured graphene sheet combining graphite flake structure is flexible. 
     
     
         9 . The slurry of  claim 1 , wherein the solvent is water, dimethylformamide (DMF), tetrahydrofuran (THF), ketones, alcohols, acetic acid acetate, or toluene. 
     
     
         10 . The slurry of  claim 9 , wherein the ketones comprises N-methylpyrrolidone (NMP) or acetone, and the alcohols comprises ethanol or ethylene glycol.