Figure 4
From: All-graphene-battery: bridging the gap between supercapacitors and lithium ion batteries
Schematic illustration of all-graphene-battery and its electrochemical reaction.
In the functionalized graphene cathode, Li ions and electrons are stored in the functional groups on the graphene surface at a relatively high potential. On the other hand, Li ions and electrons are stored on the surface of graphene with low potential, in the reduced graphene oxide anode.
