Journal
COMPOSITES PART B-ENGINEERING
Volume 109, Issue -, Pages 23-29Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesb.2016.10.036
Keywords
Nano-structures; Polymer-matrix composites (PMCs); 3-dimensional reinforcement; Electrical properties; Graphene-based composite
Funding
- Polish Ministry of Science and Higher Education for the Faculty of Chemistry of Wroclaw University of Technology
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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 e-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 g(-1) with an excellent capacitance retention of 93% after 5000 cycles at 1 A g(-1) which can be attributed to the synergistic effect between polypyrrole and FG composite. (C) 2016 Elsevier Ltd. All rights reserved.
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