Electrochemical influence of nano-spherical RuO2.xH2O thin film on nickel adhesion layer as an anode via short-time pulse current technique for energy storage in rechargeable batteries

R. M. Gnanamuthu, S. Mohan, Mahmoud Al Ahmad, R. Arunachalam, J. Maharaja, Rohit Bhagat

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Hydrous ruthenium oxide (RuO2.xH2O) is successfully deposited on nickel (Ni) flashed layer, for the first time, to be used as nano-structured electrodes to enhance the energy storage capabilities. The optimized nanostructured RuO2.xH2O on Ni thin layer is prepared using short-time pulse electrodeposition technique at 10% duty cycle, 25 Hz frequency and peak current of 1 A/dm2 on Cu foil substrate. The surface analysis of the prepared electrodes shows crystalline and Ru nano-particles forest sizes are ranging from 200 to 50 arranged in an ordered pattern, which is favorable for electrochemical Li-ion intercalation-de-intercalation reactions in the battery system. The discharge-charge reactions exhibit 89% columbic efficiency at 1st cycle. Moreover, the capacities are significantly improved at the end of 25th cycle with the good stability. The measured capacities of 771 mAh g-1 and 743 mAh g-1 with 96.3% at 0.1C rate to cutoff potential of 0.01 and 2 V vs. Li/Li+ were recorded.

Original languageEnglish
Pages (from-to)A1793-A1797
JournalJournal of the Electrochemical Society
Volume162
Issue number9
DOIs
Publication statusPublished - 2015

Fingerprint

Secondary batteries
energy storage
Intercalation
Nickel
Energy storage
electric batteries
Anodes
adhesion
anodes
Adhesion
nickel
intercalation
Thin films
cycles
Electrodes
Ruthenium
Surface analysis
thin films
pulses
Electrodeposition

ASJC Scopus subject areas

  • Electrochemistry
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Renewable Energy, Sustainability and the Environment
  • Condensed Matter Physics

Cite this

Electrochemical influence of nano-spherical RuO2.xH2O thin film on nickel adhesion layer as an anode via short-time pulse current technique for energy storage in rechargeable batteries. / Gnanamuthu, R. M.; Mohan, S.; Al Ahmad, Mahmoud; Arunachalam, R.; Maharaja, J.; Bhagat, Rohit.

In: Journal of the Electrochemical Society, Vol. 162, No. 9, 2015, p. A1793-A1797.

Research output: Contribution to journalArticle

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AU - Bhagat, Rohit

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