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A mathematical model of nanoparticulate mixed oxide pseudocapacitors; part I: model description and particle size effects

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Abstract

A mathematical model was developed to describe the performance of nanoparticulate mixed oxide pseudocapacitors based on RuO2–MO2 (M being another suitable transition metal) under galvanostatic charge/discharge regime. Both double layer and faradaic processes were taken into account. The effects of the active material’s particle size and composition were examined. Furthermore, the influence of discharge current on the extents of double layer and faradaic contributions was analyzed. The model analysis showed that the energy density declined upon increasing the volume fraction of larger particles.

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Authors and Affiliations

  1. Department of Chemistry, University of Birjand, P.O. Box: 97175-615, Birjand, Iran

    Hossein Farsi

  2. Department of Chemistry, Sharif University of Technology, P.O. Box: 11365-9516, Tehran, Iran

    Fereydoon Gobal

Authors
  1. Hossein Farsi
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  2. Fereydoon Gobal
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Correspondence to Hossein Farsi.

Additional information

This paper has been presented in IBA (International Battery Materials Association) 2007 Conference, Shenzhen, China.

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Farsi, H., Gobal, F. A mathematical model of nanoparticulate mixed oxide pseudocapacitors; part I: model description and particle size effects. J Solid State Electrochem 13, 433–443 (2009). https://doi.org/10.1007/s10008-008-0576-5

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  • DOI: https://doi.org/10.1007/s10008-008-0576-5

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