An all chemical route to design a hybrid battery-type supercapacitor based on ZnCo2O4/CdS composite nanostructures

Title
An all chemical route to design a hybrid battery-type supercapacitor based on ZnCo2O4/CdS composite nanostructures
Authors
최원준Dipali S. PatilAviraj M. TeliSachin A. Pawar신재철김효진
Keywords
ZnCo2O4; CdS; ZnCo2O4/CdS; Nanostructure
Issue Date
2020-12
Publisher
Current applied physics
Citation
VOL 20-1423
Abstract
Recently, spinel-type binary metal oxides have attracted enormous interest in energy storage devices. In supercapacitors improving energy density is still challenging task and the composite nanostructures are found to address this issue in some extent. Herein, a composite nanostructure based on ZnCo2O4/CdS was synthesized on nickel foam using hydrothermal and successive ionic layer adsorption and reaction (SILAR) methods. A hydrothermally synthesized ZnCo2O4 nanoflowers were coated by CdS nanoparticles by varying SILAR cycles and studied its electrochemical performance. The ZnCo2O4/CdS nanostructured electrode with optimized four SILAR cycles of CdS coating exhibited a high areal capacity, energy density and power density of 2658 mCcm− 2, 517 μWhcm− 2 and 17.5 mWcm− 2 at 25 mA, which is higher than pristine ZnCo2O4. This work show ZnCo2O4/CdS nanostructure is a favorable electrode for supercapacitors.
URI
http://pubs.kist.re.kr/handle/201004/71930
ISSN
1567-1739
Appears in Collections:
KIST Publication > Article
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