A novel membrane electrode was fabricated by coating conductive slurry (K/Graphene composites as its important component) on copper foil. The membrane electrode, as anode of lithium ion battery, exhibit excellent coulombic efficiency and specific capacity of 831 mAh g^-1 after 1000 cycles. The K/Graphene composites presented a multi-layer nanostructures. It provided not only more intercalation space and intercalation sites for Li⁺ during the Li⁺ intercalation/extraction, but also alleviated the agglomeration of dispersed nanocrystals, as well as decreased the electrochemical impedance. The results suggest that them embrane electrode holds great potential as an anode material for LIBs.