mass transfer coefficient

in electrochemistry

The heterogeneous diffusion rate constant defined for the case of the limiting current. A more general definition in terms of the electrode current densities is:

$k d = j ν n F ( c e − c 0 )$

$k d = j ν ( 1 − t B n ν −1 z B −1 ) n F ( c e − c 0 )$

where $j$ is the electrode current density, $ν$ is the stoichiometric number, $n$ is the charge number of the electrode reaction, $F$ is the Faraday constant, $c e$ is the interfacial concentration, $c 0$ is the bulk concentration, $t B$ is the transport number of species B, and $z B$ is the charge number of species B.

Source:

PAC, 1981, 53, 1827 (Nomenclature for transport phenomena in electrolytic systems) on page 1839

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Cite as:
IUPAC. Compendium of Chemical Terminology, 2nd ed. (the "Gold Book"). Compiled by A. D. McNaught and A. Wilkinson. Blackwell Scientific Publications, Oxford (1997). XML on-line corrected version: http://goldbook.iupac.org (2006-) created by M. Nic, J. Jirat, B. Kosata; updates compiled by A. Jenkins. ISBN 0-9678550-9-8. https://doi.org/10.1351/goldbook.

Last update: 2014-02-24; version: 2.3.3.

DOI of this term: https://doi.org/10.1351/goldbook.M03754.

Original PDF version: http://www.iupac.org/goldbook/M03754.pdf. The PDF version is out of date and is provided for reference purposes only. For some entries, the PDF version may be unavailable.

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