期刊
ELECTROANALYSIS
卷 22, 期 21, 页码 2529-2535出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/elan.201000290
关键词
Supercapacitance; Nickel tetraaminophthalocyanine electropolymer; MWCNTs; Cyclic voltammetry; Galvanostatic charge-discharge
资金
- National Research Foundation (NRF)
- CSIR
Electrochemical capacitive behaviour of the electropolymeric nickel tetra-aminophthalocyanine (poly-NiTAPc) supported on multiwalled carbon nanotube (MWCNT) platform is described. From the data in 1 M H2SO4, the MWCNT-poly-NiTAPc exhibited superior capacitance (112 mF cm(-2) or 777 F g(-1)). The supercapacitance of the MWCNT-polyNiTAPc was found to be much better in 1 M H2SO4 than in 1 M NaOH medium. Impedance data proved that most of the stored energy of the MWCNT-poly-NiTAPc could be accessible at high frequency (1.6 kHz). The electrode is capable of undergoing continuous charge-discharge process for more than a 1000 cycles without any significant deterioration in the stability.
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