Porous graphene loaded cerium nano composite antibacterial agent and preparation method thereof

The invention discloses a porous graphene loaded cerium nano composite antibacterial agent which is compounded from porous graphene and cerium, wherein nano cerium is deposited on a porous graphene layer; the particle size of the nano cerium is within 5-20nm; the specific surface area of the porous graphene is 350-450m /g; the conductivity of the porous graphene is 20-60S.m ; and the weightlessness of the porous graphene within 900 DEG C is 4-6wt%. The invention further discloses a preparation method of the porous graphene loaded cerium nano composite antibacterial agent. The method comprises the preparation of the porous graphene and the preparation of the porous graphene loaded cerium. The porous graphene loaded cerium has longer antimicrobial activity, can improve the security and reduce the use cost, and has wide prospects in industrial applications.