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Facile preparation of three-dimensional porous hydrous ruthenium oxide electrode for supercapacitors

Journal of Power Sources, ISSN: 0378-7753, Vol: 244, Page: 806-811
2013
  • 63
    Citations
  • 0
    Usage
  • 44
    Captures
  • 0
    Mentions
  • 0
    Social Media
Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    63
    • Citation Indexes
      63
  • Captures
    44

Article Description

A porous hydrous ruthenium oxide for supercapacitors is fabricated by electro-deposition accompanied with hydrogen-evolution reaction. This high-surface-area electrode (207.5 m 2  g −1 ) is developed by electrochemical de-alloying process of copper from as-deposited Ru–(Cu) foam (23.5 m 2  g −1 ). The three-dimensional structures with open pores and numerous dendritic morphologies produce good electrochemical performances by providing the pathway for facile penetration of electrolytes into active electrode surface. The three-dimensional porous hydrous ruthenium oxide exhibits good capacitance performance of 809 F g −1 at 1.5 A g −1, high energy density (112 Wh kg −1 ), and excellent stability retention (∼98%) even after 3000 cycles.

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