Journal
JOURNAL OF NANOPARTICLE RESEARCH
Volume 24, Issue 2, Pages -Publisher
SPRINGER
DOI: 10.1007/s11051-022-05418-2
Keywords
Graphene; Polyaniline; Quantum dots; Electrochemical; Supercapacitor
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Funding
- Inner Mongolia Science and Technology Innovation Oriented Project [KCBJ2018032]
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In this study, a novel nitrogen-doped graphene quantum dot-modified polyaniline (NGQD/PANI) was reported as supercapacitor electrodes through in situ polymerization. Characterization and evaluation indicated that the NGQDs/PANI material exhibited high specific capacitance and cycling stability, making it valuable for energy storage device utilization in future supercapacitor fields.
Therein we reported a novel nitrogen-doped graphene quantum dot-modified polyaniline (NGQD/PANI) as supercapacitor electrodes through in situ polymerization. Fourier transform infrared spectroscopy, scanning electron microscopy, and transmission electron microscopy were used to characterize morphology and microstructure of the samples, and the electrochemical properties of NGQDs/PANI were evaluated as electrode. The NGQDs/PANI exhibits a high specific capacitance up to 506 F/g at a current density of 0.5 A/g, and high cycling stability that 80.2% of its initial capacitance over 5000 cycles maintains at a current density of 5 A/g. The obtained NGQDs/PANI materials are valuable for promising energy storage device utilization in future supercapacitor fields.
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