▎ 摘　　要

Electrically conductive membrane, acting as an electrode while separating, has already been demonstrated breakthrough performance in mitigating membrane fouling and improving contaminant removal. However, only a few works have reported about conductive ceramic membranes because of their poor conductivity. Herein, we developed a kind of highly conductive polypyrrole (PPy) coated ceramic membrane (CM) with excellent anti-fouling performance through incorporating graphene oxide (GO)/reduced graphene oxide (rGO). During the process, pi-pi interactions, hydrogen bond or electrostatic attractions occur between GO/rGO and pyrrole (Py), leading to the adsorption of Py onto the GO/rGO rather than polymerizing directly on membrane surface, which effectively improve the membrane properties such as flux, porosity, hydrophilicity, Zeta potential, and rough-ness, etc. Particularly, due to the formation of a complete conductive network between PPy and CM with GO/ rGO, as well as high conductivity of rGO, the electrical resistivity of PPy membrane was decreased from 8.46 to 3.56 and 0.87 k omega/cm, respectively. Interestingly, the average specific flux of rGO/PPy (GO/PPy) membrane under electric field was 47.5% (33.6%) higher than that of CM support during yeast filtration, showing strong promise in water remediation. In particular, the extended Derjaguin-Landau-Verwey-Overbeek (XDLVO) theory proved that after introducing GO/rGO into PPy membrane, the enhanced hydrophilicity and Zeta potential, as well as the weakened roughness, led to more positive van der Waals, Lewis acid-base and electrostatic interfacial force, that was, better anti-fouling property, which indicated an extremely bright future in the design of anti-fouling membranes.