Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5021799 | Composites Part B: Engineering | 2017 | 7 Pages |
Abstract
Herein, we present a facile two-step synthesis of polypyrrole/Fe2O3/reduced graphene oxide (PFG) ternary composite. It includes the preparation of the binary Fe2O3/reduced graphene oxide (FG) composite under hydrothermal conditions, followed by oxidative polymerization of pyrrole on the FG composite surface. X-ray diffraction measurements revealed the presence of the α-Fe2O3 phase in both composites. The electrochemical measurements performed using the composite electrodes in a 1 M Na2SO4 solution revealed that the binder-free PFG electrode exhibits a high specific capacitance of 140 F gâ1 with an excellent capacitance retention of 93% after 5000 cycles at 1 A gâ1 which can be attributed to the synergistic effect between polypyrrole and FG composite.
Keywords
Related Topics
Physical Sciences and Engineering
Engineering
Engineering (General)
Authors
Adam Moyseowicz, Agata Åliwak, Ewa Miniach, Grażyna Gryglewicz,