▎ 摘　　要

NOVELTY - Graphene-modified ceramic film manufacturing involves preparing oxidized graphene by using microcrystalline graphite as raw material by adopting improved hummer method. The prepared oxidized graphene is reduced at 200-300 degrees C for 2-4 hours to obtain a reductive graphene oxide having electrical conductivity of 100-150 s/m. The formed oxidized graphene is dispersed in a dispersion liquid for 2-4 hours. The dispersion liquid is used as a modification raw material, where the negative pressure filtration coating process is adopted for ceramic membrane oxidized graphene-modified ceramic membrane. USE - Method for manufacturing graphene-modified ceramic film (claimed). ADVANTAGE - The method manufactures the graphene-modified ceramic film in a simple and cost-effective manner with high ion-retention performance under mild reaction conditions. DETAILED DESCRIPTION - Graphene-modified ceramic film manufacturing involves preparing oxidized graphene by using microcrystalline graphite as raw material by adopting improved hummer method. The prepared oxidized graphene is reduced at 200-300 degrees C for 2-4 hours to obtain a reductive graphene oxide having electrical conductivity of 100-150 s/m. The formed oxidized graphene is dispersed in a dispersion liquid for 2-4 hours. The dispersion liquid is used as a modification raw material, where the negative pressure filtration coating process is adopted for ceramic membrane oxidized graphene-modified ceramic membrane. The top or bottom surface of the ceramic film modified is coated with ceramic membrane, and then dried at 200-300 degrees C for 2-4 hours. The bottom surface is connected to the wire net by using silver net, where the wire is connected with the external power source. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic flowchart of the graphene-modified ceramic film manufacturing method. (Drawing includes non-English language text).