▎ 摘　　要

NOVELTY - This invention provides a method of fabricating composite electrodes, including the following steps of: (a) forming a graphene oxide on a porous conductor substrate; (b) after step (a), putting the porous conductor substrate in a first electrolyte to partially reduce the graphene oxide; and (c) after step (b), disposing the porous conductor substrate in a second electrolyte containing a salt of transition metal ions to dissociate transition metal ions and oxygen ions from the salt through electroplating. Moreover, the transition metal ions are attracted toward the porous conductor substrate to react with the residual oxygen ions within the graphene oxide on the porous conductor substrate and the oxygen ions in the second electrolyte so that the graphene oxide is reduced to a graphene, and a transition metal oxide is formed on the graphene.