期刊
MATERIALS SCIENCE IN SEMICONDUCTOR PROCESSING
卷 56, 期 -, 页码 287-294出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.mssp.2016.09.014
关键词
Zinc antimonate; Heterovalent metal cations; Pseudocapacitance; Capacitor characteristics; Electrochemically active; Supercapacitor
类别
资金
- DST-INSPIRE FELLOWSHIP, INDIA
Synthesis and Electrochemical properties of zinc antimonate nanoparticles have been explored and the strategy was to engage zinc antimonate towards supercapacitors. Cyclic voltammetry measurements were done at different sweep rates and the inclusion of two heterovalent metal cations such as Zn-2+ and Sb5+ in the nanostructure participates in the electrochemical phenomena thereby exhibiting pseudocapacitance behavior with a significant specific capacitance of 140.8 F/g at the sweep rate of 10 mV/s was achieved. Further, from galvanostatic charge-discharge measurements, it is apparent that the capacitor characteristics were found to be phenomenal in 1 M H2SO4 electrolyte with good electrochemical constancy over 500 cycles with an incredible capacity retention of 100% at a current density of 1 A/g respectively. The results suggest that the obtained zinc antimonate could be a promising, inexpensive and electrochemically active candidate in supercapacitor application.
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