Graphene-Based Carbon Materials for Electrochemical Energy Storage
Figure 2
(a) Schematic drawing of the preparation of the honeycomb structured film based on graphene oxide; (b) charge and discharge cycle curves of the honeycomb patterned film as anode in lithium cells at a current density of 50 mA/g; (c) capacity versus cycle number for the honeycomb film at a current density of 50 mA/g [22].
