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Anodic grounding electrodes made of electroconducting elastomers: Estimating their electrochemical parameters and reliability by the operational impedance method

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Abstract

The electrochemical behavior of electrodes made of electroconducting elastomers and intended for anodically grounding metal pipelines, to protect them electrochemically, is considered. The electrodes’ transition resistance Rtr is selected as the main parameter characterizing their operational state. Dependences of Rtr on the chargeq passed through the electrodes are obtained for different anodic polarization current densities. The dependences suggest that predicting the electrodes’ performance at elevated polarization current densities is well justified. The performance and lifetime of the electrodes can be predicted by comparing the measured value of Rtr with a calibration Rtr vs.q curve for a given electrode type.

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References

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Authors and Affiliations

  1. Corrosion Association of the Russian Fuel-Power Complex, Moscow, Russia

    A. P. Akol’zin, L. A. Beketaeva, A. D. Davydov, V. E. Kopytin & K. V. Rybalka

  2. Frumkin Institute of Electrochemistry, Russian Academy of Sciences, Leninskii pr. 31, 117071, Moscow, Russia

    L. A. Beketaeva, A. D. Davydov & K. V. Rybalka

  3. TOO Marketing-Technology-Management, Moscow, Russia

    V. E. Kopytin

Authors
  1. A. P. Akol’zin
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  2. L. A. Beketaeva
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  3. A. D. Davydov
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  4. V. E. Kopytin
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  5. K. V. Rybalka
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Dedicated to the ninetieth anniversary of Ya.M. Kolotyrkin’s birth.

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Akol’zin, A.P., Beketaeva, L.A., Davydov, A.D. et al. Anodic grounding electrodes made of electroconducting elastomers: Estimating their electrochemical parameters and reliability by the operational impedance method. Russ J Electrochem 36, 1133–1136 (2000). https://doi.org/10.1007/BF02757534

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  • DOI: https://doi.org/10.1007/BF02757534

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