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https://www.ias.ac.in/article/fulltext/boms/045/0148 -
Keywords
Transition metal sulphides ;earth abundant ;nanostructures ;electrodeposition ;glucose oxidation reaction ;glucose fuel cell. -
Abstract
In this study, we demonstrate a facile and single-step electrochemical fabrication of a series of Earthabundant transition metal sulphides nanostructures (TMS NS), including iron sulphide (FeS NS), cobalt sulphide (CoS NS), nickel sulphide (NiS NS) and copper sulphide (CuS NS) on nickel foam (NF) substrate. The developed TMS nanostructures are employed as the potential electrode materials for the improved glucose oxidation reaction (GOR) under alkaline electrolyte. Among the developed TMS nanostructured electrodes in this present study, the FeS NS|NF electrode demonstrated the highest GOR electrocatalytic performance in terms of high anodic current density (${\sim}$16.7 mA cm$^{-2}$), excessive mass activity (${\sim}$123.0 A g$^{-1}$) and extraordinary rate of the reaction (${\sim}$4.3 mol s$^{-1}$ cm$^{-2}$). Moreover, the fabricated TMS nanostructured electrodes follow the order of GOR electrocatalytic activity: FeS NS|NF${\ge}$CoS NS|NF${\ge}$ NiS NS|NF${\ge}$CuS NS|NF.
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Graphical Abstract
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Author Affiliations
AYYAVU SHANKAR GOVINDHAN MADURAIVEERAN1
- Materials Electrochemistry Laboratory, Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur, Chengalpattu 603 203, India
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Dates
- Published
- 26 July 2022
- Manuscript received
- 20 December 2021
- Accepted
- 18 April 2022
- Final version published online
- 26 July 2022
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Supplementary Material
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Bulletin of Materials Science
Volume 46, 2023
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