Nanostructured oxides for energy storage applications in batteries and supercapacitors

Amreesh Chandra, Alexander J. Roberts, Eric Lam How Yee, Robert C. T. Slade

    Research output: Contribution to journalArticlepeer-review

    23 Citations (Scopus)


    Nanostructured materials are extensively investigated for application in energy storage and power generation devices. This paper deals with the synthesis and characterization of nanomaterials based on oxides of vanadium and with their application as electrode materials for energy storage systems viz. supercapacitors. These nano-oxides have been synthesized using a hydrothermal route in the presence of templates: 1-hexadecylamine, Tweens and Brij types. Using templates during synthesis enables tailoring of the particle morphology and physical characteristics of synthesized powders. Broad X-ray diffraction peaks show the formation of nanoparticles, confirmed using scanning electron microscopy (SEM) and transmission electron microscopy (TEM) investigations. SEM studies show that a large range of nanostructures such as needles, fibers, particles, etc. can be synthesized. These particles have varying surface areas and electrical conductivity. Enhancement of surface area as much as seven times relative to surface areas of starting parent materials has been observed. These properties make such materials ideal candidates for application as electrode materials in supercapacitors. Assembly and characterization of supercapacitors based on electrodes containing these active nano-oxides are discussed. Specific capacitance of >100 F g –1 has been observed. The specific capacitance decreases with cycling: causes of this phenomenon are presented.
    Original languageEnglish
    Pages (from-to)1489-1498
    Number of pages10
    JournalPure and Applied Chemistry
    Issue number8
    Publication statusPublished - 23 Jul 2009


    • Electrodes
    • Electron microscopy
    • Nanomaterials
    • Particle synthesis
    • Supercapacitors


    Dive into the research topics of 'Nanostructured oxides for energy storage applications in batteries and supercapacitors'. Together they form a unique fingerprint.

    Cite this