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Hierarchical β-Co(OH)2/CoO nanosheets: an additive-free synthesis approach for supercapattery applications

  • I. Manohara Babu
  • J. Johnson William
  • G. MuralidharanEmail author
Short Communication
  • 27 Downloads

Abstract

Cobalt hydroxide nanosheets have been synthesized via facile and affordable simple chemistry route without any additives for structure design. Co(OH)2 nanosheets exhibit a maximum specific capacity of 111 C g−1 at a current density of 0.5 A g−1. Asymmetric supercapacitor (Co(OH)2//AC) has been fabricated and it delivers the specific capacitance of 34 F g−1 with the power density of 300 W kg−1 at a current density of 1 A g−1. These profitable features of cobalt hydroxide nanosheets prepared in the present work are quite promising electrode material for high-performance supercapatteries.

Keywords

Cobalt hydroxide Nanosheet Additive Supercapattery 

Notes

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.

Supplementary material

11581_2019_2944_MOESM1_ESM.doc (2.8 mb)
ESM 1 (DOC 2863 kb)

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Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  • I. Manohara Babu
    • 1
  • J. Johnson William
    • 1
  • G. Muralidharan
    • 1
    Email author
  1. 1.Department of PhysicsThe Gandhigram Rural Institute—Deemed to be UniversityGandhigramIndia

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