▎ 摘　　要

A graphene/CNTs binary conductive additive was synthesized by in situ reducing the graphite oxide/CNTs mixture in Ar atmosphere. The binary conductive additive consists of graphene nanosheets and CNTs, which could more efficiently improve the electronic conductivity of the spinel Li4Ti5O12 than that using single graphene or CNTs as conductive additive. The Li4Ti5O12 using the graphene/CNTs as conductive additive exhibits excellent rate capability. At 0.2 C, its initial discharge specific capacity is 172 mAh/g, which is close to the theoretical value of the spinel Li4Ti5O12 (175 mAh/g). And even \at the high rate of 5.0 C, 10.0 C and 20.0 C, it can still remain at 147 mAh/g, 136 mAh/g and 110 mAh/g, respectively.