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Analysis of Potential Distribution at the Boundary with the Membrane inside a Flow-by Porous Electrode at Various Currents. Part I. Modeling

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Abstract—

The potential profiles at the boundary with the ion-exchange membrane and near the current feeder and the current and concentration profiles of the target electroactive component along the solution flow in the galvanostatic mode are calculated at various current loads using a simplified model of porous electrode. From the analysis of the calculated results, it follows that the potential profiles vary significantly depending on the current and the presence or absence of a side reaction. The results can be used for preliminary estimation of electrolysis mode, which provides the highest efficiency of porous electrode operation.

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Notes

  1. Though the effective conductivity of metallized sintepon can be raised by additional chemical or electrochemical metallization, the preliminary calculations showed that, even at the initial conductivities of the phases (5 and 0.1 S cm–1), the difference of the results (the total current, an average outlet concentration of the oxidant, and the profile of distribution of geometrical current density) from the virtually equipotential FBPE does not exceed 1 percent).

REFERENCES

  1. Olvera, O.G. and Lapidus, G.T., Theoretical analysis of a flow-by electrochemical reactor with porous cathode for the simultaneous removal of different metal ions, J. Chem. React. Eng., 2010, vol. 8, p. A114.

    Google Scholar 

  2. Sun, J.P., Xu, W.L., and Scott, K., An efficient method for solving the model equations of two dimensional packed bed electrodes, J. Appl. Electrochem., 1995, vol. 25, no. 8, p. 755.

    Article  CAS  Google Scholar 

  3. Ravikumar, M.K., Suman, R., Nandini, J., Satish, P., and Ashok, S., The renaissance in redox flow batteries, J. Solid State Electrochem., 2017, vol. 21, p. 2467.

    Article  CAS  Google Scholar 

  4. Tentorio, A. and Casolo-Gineli, U., Characterisation of reticulate, three-dimensional electrodes, J. Appl. Electrochem., 1978, vol. 8, no. 3, p. 195.

    Article  CAS  Google Scholar 

  5. Kreysa, G., Kinetic behaviour of packed and fluidised bed electrodes, Electrochim. Acta, 1978, vol. 23, no. 12, p. 1351.

    Article  CAS  Google Scholar 

  6. Masliy, A.I., Poddubny, N.P., Medvedev, A.Zh., and Lukyanov, V.O., Analysis of the distribution of geometrical current density along the direction of solution flow inside flow-by porous electrodes, J. Electroanal. Chem., 2015, vol. 757, p. 128.

    Article  CAS  Google Scholar 

  7. Maslii, A.I., Poddubnyi, N.P. and Medvedev, A.Zh., Distribution of geometrical current density inside a flow-by porous electrode: effect of electrode parameters and electrochemical reactions, Russian J. Electrochem., 2016, vol. 52, no. 6, p. 576.

    Article  Google Scholar 

  8. Vais, A.A., Beck, R.Yu, Maslii, A.I., Belobaba, A.G., Korolyuk, A.V., and Zakharova, N.M., Bulk-porous electrode material and flow-through electrode based on it, Russian Patent 2178017, 2002.

  9. Aleksandrova, T.P., Vais, A.A., Masliy, A.I., Burmistrov, V.A., Gusev, A.A., and Bagavieva, S.K., Synthetic fibers with silver-containing coatings and their antimicrobial properties, Mater. Manufactur. Proc., 2015, vol. 30, no. 6, p. 798.

    Article  CAS  Google Scholar 

  10. Maslii, A.I., Poddubnyi, N.P. and Medvedev, A.Zh., Checking of applicability of conditions for reaching the limiting-current mode to flow-by porous electrodes, Russ. J. Electrochem., 2017, vol. 53, no. 1, p. 110.

    Article  CAS  Google Scholar 

  11. Langlois, S. and Coeuret, F., Flow-through and flow-by porous electrodes of nickel foam. Part III: theoretical electrode potential distribution in the flow-by configuration, J. Appl. Electrochem., 1990, vol. 20, p. 740.

    Article  CAS  Google Scholar 

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Funding

This work was performed within the state assignment for the Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences (project 0301-2016-0019).

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Authors and Affiliations

  1. Institute of Solid State Chemistry and Mechanochemistry, Siberian Branch, Russian Academy of Sciences, 630128, Novosibirsk, Russia

    A. Zh. Medvedev, A. I. Maslii & V. O. Luk’yanov

Authors
  1. A. Zh. Medvedev
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  2. A. I. Maslii
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  3. V. O. Luk’yanov
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Correspondence to A. Zh. Medvedev or V. O. Luk’yanov.

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The authors declare that they have no conflicts of interest.

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Translated by T. Kabanova

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Medvedev, A.Z., Maslii, A.I. & Luk’yanov, V.O. Analysis of Potential Distribution at the Boundary with the Membrane inside a Flow-by Porous Electrode at Various Currents. Part I. Modeling. Russ J Electrochem 55, 1397–1402 (2019). https://doi.org/10.1134/S1023193519120115

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  • DOI: https://doi.org/10.1134/S1023193519120115

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