Graphene-ceramic hybrid coating layer, and method for preparing the same

Abstract

Disclosed are a graphene-ceramic hybrid coating layer formed from a graphene-ceramic hybrid sol solution including graphene (RGO: reduced graphene oxide) and a ceramic sol, wherein the graphene content in the graphene-ceramic hybrid coating layer is about 0.001 wt % to about 1.8 wt % based on the total weight of the graphene-ceramic hybrid coating layer, and a method for preparing the same.

1 . A graphene-ceramic hybrid sol solution for forming a graphene-ceramic hybrid coating layer, the graphene-ceramic hybrid sol solution including graphene in the form of reduced graphene oxide and a ceramic sol,
 wherein a graphene content in the graphene-ceramic hybrid coating layer is about 0.001 wt % to about 1.8 wt % based on the total weight of the graphene-ceramic hybrid coating layer.   
     
     
         2 . The graphene-ceramic hybrid sol solution of  claim 1 , wherein the graphene content is about 0.01 wt % to about 1.8 wt % based on the total weight of the solution. 
     
     
         3 . The graphene-ceramic hybrid sol solution of  claim 1 , wherein the graphene and the ceramic sol are uniformly distributed in the graphene-ceramic hybrid sol solution. 
     
     
         4 . The graphene-ceramic hybrid sol solution of  claim 1 , wherein the ceramic is selected from the group consisting of SiO 2 , Al 2 O 3 , Li 4 Ti 5 O 12 , TiO 2 , SnO 2 , CeO 2 , ZrO 2 , V 2 O 5 , B 2 O 3 , BaTiO 3 , Y 2 O 3 , WO 3 , MgO, CuO, ZnO, AlPO 4 , AlF, Si 3 N 4 , AlN, TiN, WC, SiC, TiC, MoSi 2 , Fe 2 O 3 , GeO 2 , Li 2 O, MnO, NiO, zeolite, and a combination thereof. 
     
     
         5 - 17 . (canceled)