Journal
MATERIALS & DESIGN
Volume 153, Issue -, Pages 24-35Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.matdes.2018.04.074
Keywords
Hybrid supercapacitor; Pseudocapacitor; Conducting polymer; Nickel oxide; Polyaniline; Carbon fiber cloth; Polymer electrolyte
Categories
Funding
- [BKS030-2017]
- [FG034-17AFR]
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Binder free electrode for supercapacitor application was successfully fabricated which consists of carbon cloth nickel oxide-polyaniline (EC-NiP). The composite electrode was prepared by growing NiO on EC via hydrothermal followed by the electrodeposition of PANI. The crystallite sizes of NiO were varied from 5.73 nm to 17.81 nm over the temperature range of 200 to 500 degrees C. The optimized electrode, heated at 300 degrees C (NIP300) showed good specific capacitance of 192.31 Fg(-1) with energy density of 21.63 mWhkg(-1) and 4.81 Wkg(-1) of power density at 0.5 Ag-1 current density in 0.5 M H2SO4 electrolyte. The symmetrical NIP300//PVA + 0.5 M H2SO4//NIP300 cell exhibit excellent reversibility where the specific capacitance retained 72% of the initial value after 4500 cycles. (C) 2018 Elsevier Ltd. All rights reserved.
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