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Journal of Materials Science

, Volume 44, Issue 11, pp 2828–2835 | Cite as

Capacitive characteristics of Ni–Co oxide nano-composite via coordination homogeneous co-precipitation method

  • Jing-Jing Deng
  • Jian-Cheng DengEmail author
  • Zi-Ling Liu
  • Hui-Ren Deng
  • Bo Liu
Article

Abstract

A series of Ni–Co oxide nano-composites were prepared by thermal decomposition of the precursors obtained via coordination homogeneous co-precipitation method. Thermogravimetric analysis (TGA), powder X-ray diffraction (XRD), and transition electron microscopy (TEM) tests were applied to investigate the thermal behavior, crystalline. and morphology of the Ni–Co oxide composites. The electrochemical properties of Ni–Co oxide electrodes were evaluated by cyclic voltammetry, galvanostatic charge–discharge, and electrochemical impedance measurements. Results showed that the calcination temperature had great effect on morphology and specific capacitance of product. The effect of the molar ratios of Ni2+/Co2+ in the reaction system on the electrochemical properties of Ni–Co oxide electrodes was also discussed.

Keywords

Specific Capacitance Co3O4 Calcination Temperature Nickel Oxide Cobalt Oxide 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Jing-Jing Deng
    • 1
  • Jian-Cheng Deng
    • 1
    Email author
  • Zi-Ling Liu
    • 1
  • Hui-Ren Deng
    • 1
  • Bo Liu
    • 1
  1. 1.Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education, College of ChemistryXiangtan UniversityXiangtanChina

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