Journal
NANOMATERIALS
Volume 4, Issue 3, Pages 599-611Publisher
MDPI
DOI: 10.3390/nano4030599
Keywords
Poly(anthraquinonyl sulfide); graphene; composite; electrochemical capacitors
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Poly(anthraquinonyl sulfide) (PAQS)/graphene sheets (GSs) composite was synthesized through in situ polymerization to evaluate its performance as an electrode material for electrochemical capacitors. PAQS was successfully synthesized in the presence of GSs with uniform distribution. PAQS/GSs showed a pair of reversible redox peaks at around 0 V (vs. Ag/AgCl). The specific capacitance of PAQS/GSs was 349 F.g(-1) (86 mAh.g(-1)) at a current density of 500 mA.g(-1), and a capacitance of 305 F.g(-1) was maintained even at a high current density of 5000 mA.g(-1). The in situ polymerization of PAQS with GSs facilitated their interaction and enabled faster charge transfer and redox reaction, resulting in enhanced electrode properties.
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