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Effect of mesh size on the performance of Teflon bonded oxygen-evolving electrodes

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Abstract

Teflon bonded and porous NiCo2O4 electrodes were prepared on nickel current collectors of different mesh sizes. It was shown that the oxygen evolution performance of the Teflon bonded electrodes is affected more significantly by the size of the nickel mesh than that of the porous electrodes. A simple theoretical calculation of the ohmic losses showed that for large mesh openings (20 mesh), the Teflon bonded catalyst in the centre of the opening cannot be efficiently utilized because of high ohmic resistances. Provided smaller hole size meshes (eg. 100 mesh) are used, Teflon bonded electrodes perform significantly better than porous electrodes.

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Authors and Affiliations

  1. Chemical Energy Research Centre, Department of Chemistry, The City University, Northampton Square, EC1V OHB, London, UK

    J. C. Botejue Nadesan & A. C. C. Tseung

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  1. J. C. Botejue Nadesan
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  2. A. C. C. Tseung
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Botejue Nadesan, J.C., Tseung, A.C.C. Effect of mesh size on the performance of Teflon bonded oxygen-evolving electrodes. J Appl Electrochem 15, 961–967 (1985). https://doi.org/10.1007/BF00614373

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  • DOI: https://doi.org/10.1007/BF00614373

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