2P-500 : Electrochemical behaviors of silver-doped graphene composites

In this study, a graphene electrode showed that the uniform Ag particles on the graphene surface uniformly. The Ag-coated graphene electrode exhibited superior electrochemical properties to the crude graphene. The chemical composition analysis of graphene electrode was confirmed by X-ray photoelectron spectroscopy. The synthesized materials were characterized by XRD. Ag particles are introduced to the graphene surface as a function of the applied current. A half cell of the Ag-coated graphene electrode is fabricated to examine the electrochemical performance, such as the charge-discharge behaviors, cyclic voltammetry, and specific capacitance. As a result, the electrochemical performance of the Ag-coated graphene electrode is two times higher than that of the crude graphene electrode.