期刊
ENERGIES
卷 12, 期 17, 页码 -出版社
MDPI
DOI: 10.3390/en12173382
关键词
asymmetric supercapacitor; nanofiber; reduced graphene oxide; potential window
资金
- Universiti Putra Malaysia Research Grant [GP-IPS/2018/9619300]
Poly(vinyl alcohol)/poly(3,4-ethylenedioxythiophene) (PVA/PEDOT) nanofibers were synthesized as a positive electrode for high-performance asymmetric supercapacitor (ASC). PVA/PEDOT nanofibers were prepared through electrospinning and electrodeposition meanwhile reduced graphene oxide (rGO) was obtained by electrochemical reduction. The PVA/PEDOT nanofibers demonstrated cauliflower-like morphology showing that PEDOT was uniformly coated on the smooth cross-linking structure of PVA nanofibers. In addition, the ASC showed a remarkable energy output efficiency by delivering specific energy of 21.45 Whkg(-1) at a specific power of 335.50 Wkg(-1) with good cyclability performance (83% capacitance retained) after 5000 CV cycles. The outstanding supercapacitive performance is contributed from the synergistic effects of both PVA/PEDOT//rGO, which gives promising materials for designing high-performance supercapacitor applications.
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