The invention belongs to the field of low-temperature electrochemical graphitizationis improved by the FFC-Cambridge Process. In comparison to the traditional process, the invention can be at a low temperature of 850oCshorter process time. This strategy can convert carbon blacks into high-value graphite (graphene). The method is simple, low temperature, without adding catalyzer,low-cost. The products have a wide range of applications such as energy storage, catalysis, absorption, separation, processing metal cutter, precision die, aeronautics,astronautics.