For citation:
Prokhorov I. Y. Mechanisms of Protonic Conductivity in Highly Selective Membranes Containing Granulated Donor. Electrochemical Energetics, 2017, vol. 17, iss. 3, pp. 159-169. DOI: 10.18500/1608-4039-2017-17-3-159-169, EDN: YSWQNG
Mechanisms of Protonic Conductivity in Highly Selective Membranes Containing Granulated Donor
DOI: https://doi.org/10.18500/1608-4039-2017-17-3-159-169
Previously obtained experimental data on protonic conductivity and permeability of polyvinyl alcohol based membranes modified using the protonated montmorillonite nanoparticles in either granulated or de-granulated condition are analyzed. Interpretation of the data in terms of charge carrier density using the Nernst–Einstein equation appears to be satisfactory only for membranes containing the isolated donor nanoparticles but rather unsatisfactory in the case of granulated donor. However, ionic conductivity of the last electrolytes can be both qualitatively and quantitatively described by the model of charge transfer between spherical granules possessing high intrinsic ionic conductivity in the pre-percolation range.
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