Journal
JOURNAL OF ELECTROANALYTICAL CHEMISTRY
Volume 810, Issue -, Pages 154-160Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jelechem.2018.01.011
Keywords
Supercapacitor; Graphene aerogel; 3D hybrid composite; Poly(aniline-co-pyrrole); Specific capacitance
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Funding
- National Research Foundation (NRF) of Republic of Korea [NRF-2014R1A6A1031189, NRF-2015R1D1A1A09060292]
- Ministry of Education of Korea
- International Cooperation Program [NRF-2015K2A2A7053101]
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Polyaniline (PANI) and polypyrrole (PPy) are conducting polymers used widely in Supercapacitor applications because of their facile synthesis, low cost, and good pseudo-capacitive performance. In this study, PANI and PPy were combined with reduced graphene oxide (RGO) to form a new 3D hybrid aerogel, poly(aniline-co-pyrrole)/graphene aerogel (PGA), which was assessed as a promising material for supercapacitor electrodes. A one-step hydrothermal co-assembly method was adopted to synthesize the active electrode materials. The PGA exhibited a high specific capacitance of 675 F/g at a current density of 0.5 A/g with excellent cycling stability (97.5% capacitance retention and near 100% coulombic efficiency after 1000 charge/discharge cycles).
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