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Current distribution in a gas-evolving electrochemical reactor with an expanded metal electrode

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Abbreviations

b :

constant in the Tafelαv e F/RT (V−1)

e :

electrode thickness (cm)

F :

Faraday constant (A s mol−1)

i :

current density (A cm−2)

I :

total current (A)

L :

electrode length (cm)

N Mac :

MacMullin number

Q :

volumetric liquid flow rate (cm3s−1)

R :

gas constant (JK−1 mol−1)

S i :

ith electrode-to-membrane gap (cm)

S D :

separator thickness (cm)

T :

temperature (K)

υs :

single bubble rise velocity (cm s−1)

W :

electrode width (cm)

y :

axial coordinate (cm)

α:

charge transfer coefficient

\(\overline \delta _r \) :

mean relative deviation

ε m :

limiting gas voidage

ν e :

charge number of the electrode reaction

ρ0 :

electrolyte resistivity (Ω cm)

ρm :

metal phase resistivity (Ω cm)

ρm,ef :

effective resistivity of the expanded structure (Ω cm)

a:

anodic

b:

cathodic

References

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Authors and Affiliations

  1. Programa de Electroquímica Aplicada e Ingeniería Electroquímica (PRELINE), Facultad de Ingeniería Química, Universidad Nacional del Litoral, Santiago del Estero 2829, 3000, Santa Fe, Argentina

    J. M. Bisang

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  1. J. M. Bisang
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Bisang, J.M. Current distribution in a gas-evolving electrochemical reactor with an expanded metal electrode. J Appl Electrochem 22, 585–587 (1992). https://doi.org/10.1007/BF01024102

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  • DOI: https://doi.org/10.1007/BF01024102

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