A New Formulation of the Frequency Factor in the Expression for the Rate Constant of Interfacial Charge Transfers | Zendy

Jaime González Velasco | Zendy

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A New Formulation of the Frequency Factor in the Expression for the Rate Constant of Interfacial Charge Transfers

Author(s) -

Jaime González Velasco

Publication year - 2007

Publication title -

portugaliae electrochimica acta

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.252

H-Index - 27

eISSN - 1647-1571

pISSN - 0872-1904

DOI - 10.4152/pea.200703293

Subject(s) - constant (computer programming) , charge (physics) , expression (computer science) , factor (programming language) , mechanics , thermodynamics , physics , materials science , chemistry , computer science , quantum mechanics , programming language

A new way for deriving the fundamental equation of the electrochemistry has been developed in the potential range in which Butler-Volmer behaviour is found. In this approach the frequency factor is considered to be a function of the potential instead of the activation energy. The frequency factor is calculated by means of a classical statistical mechanics treatment giving rise to a new definition for the symmetry factor. A new expression for the standard rate constant in adiabatic heterogeneous charge transfer reactions has been derived.

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