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|Title:||Electrochemical energy storage and conversion applications of CoSn(OH)₆ materials||Authors:||Isacfranklin, M.
Rani, B. Jansi
Kumar, P. Senthil
|Keywords:||Engineering::Electrical and electronic engineering||Issue Date:||2021||Source:||Isacfranklin, M., Rani, B. J., Kumar, P. S., Yuvakkumar, R., Ravi, G., Manigandan, A., Thambidurai, M., Dang, C. & Velauthapillai, D. (2021). Electrochemical energy storage and conversion applications of CoSn(OH)₆ materials. International Journal of Hydrogen Energy. https://dx.doi.org/10.1016/j.ijhydene.2021.08.001||Journal:||International Journal of Hydrogen Energy||Abstract:||Supercapacitors are a boon in today's modern world. The role of a supercapacitor is important in providing electrical energy in the most efficient way for the usefulness of the society. Herein, co-precipitation technique was adapted to prepare electrodes for energy storage and water-splitting purposes. Role of ammonia at different concentrations was deliberated. Better 269 and 364 F/g capacitance was attained for best electrode from cyclic voltammetry (CV) and galvanostatic charge–discharge (GCD) curves, respectively. The capacitive and diffusion contribution of all electrodes were estimated and found to be 91.88 and 8.12 for the best sample. A better diffusion contribution of the higher-concentration ammonia sample revealed a higher specific capacitance. In this study, 91.33% capacitive retention and 90.38% columbic efficiency were calculated after 5000 cycles of charge and discharge. Further electrochemical method like linear sweep voltammetry (LSV) and chronoamperometry (CA) was explored for water-splitting applications and 367 mA/g current density with 264 mV overpotential was achieved in the LSV plot. CA test was carried out for 10 h to reveal 189 mA/g current density and delivered 74% stability. Therefore, the present study describes different technique to extend electrochemical supercapacitor and water-splitting purposes.||URI:||https://hdl.handle.net/10356/160335||ISSN:||0360-3199||DOI:||10.1016/j.ijhydene.2021.08.001||Schools:||School of Electrical and Electronic Engineering||Research Centres:||Centre for OptoElectronics and Biophotonics (OPTIMUS)||Rights:||© 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.||Fulltext Permission:||none||Fulltext Availability:||No Fulltext|
|Appears in Collections:||EEE Journal Articles|
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