期刊
ENERGY
卷 70, 期 -, 页码 473-477出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.energy.2014.04.018
关键词
Electrochemical supercapacitor; Silver/manganese oxide/polyaniline nanocomposite; Cyclic voltammetry; Charge-discharge measurements
资金
- National Research Foundation (NRF) of Korea [2013-044975, 2012-008517]
Ternary Ag/MnO2/PANI (silver/manganese oxide/polyaniline) nanocomposite thin films were synthesized for supercapacitor applications using a new synthetic strategy including a pulsed potential electrode-position technique. The agglomerated nanoscale-vermicular-like structure of the pure PANI is converted into more uniform vermicular morphology containing Ag and MnO2. The electrochemical supercapacitor properties of the ternary nanocomposite films are investigated in a 0.5 M LiClO4 + PC electrolyte. The current density of the Ag/MnO2/PANI nanocomposite film obtained from the CV (cyclic voltammogram) is much higher than that of the pure PANI. Furthermore, the specific capacitance of the ternary Ag/MnO2/PANI nanocomposite is calculated to be 621 F/g and 800 F/g from CV and CD (charge-discharge) measurements, respectively. The cycling stability of the ternary nanocomposites (as high as similar to 83%) is significantly enhanced compared to that of a pure PANI (similar to 66%) sample. (C) 2014 Elsevier Ltd. All rights reserved.
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