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Web-analogues one-dimensional iron hydroxide@cadmium hydroxide nanostructure: electrochemical supercapacitor

Authors :
Savita L. Patil
S. N. Pandey
Bidhan Pandit
Babasaheb R. Sankapal
Shrikant S. Raut
Shilpa A. Pande
Source :
Journal of Materials Science: Materials in Electronics. 32:22472-22480
Publication Year :
2021
Publisher :
Springer Science and Business Media LLC, 2021.

Abstract

One-dimensional iron hydroxide@cadmium hydroxide nanostructures have been prepared by sequentially converting cadmium hydroxide into iron hydroxide via simple and cost-effective cation exchange reaction based on solubility product to design electrochemical supercapacitive electrode. Surface architecture of iron hydroxide@cadmium hydroxide nanostructures in the form of core–shell enables easy and effective electrochemical reactions which have been studied via electrochemical cyclic voltammetry and charge–discharge studies. Interestingly, iron hydroxide@cadmium hydroxide electrode exhibits specific capacitance of 368 F g−1 at current density of 0.5 A g−1 along with electrochemical impedance analysis. Capacitance retention performed at the scan rate of 50 mV s−1 for 5000 cycles results in 52% capacity of its initial.

Details

ISSN :
1573482X and 09574522
Volume :
32
Database :
OpenAIRE
Journal :
Journal of Materials Science: Materials in Electronics
Accession number :
edsair.doi...........8e882f9964788161ee85fca33e62194d