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Determination of kinetic parameters for borohydride oxidation on a rotating Au disk electrode

Lookup NU author(s): Dr Hua Cheng, Emeritus Professor Keith Scott

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Abstract

Borohydride oxidation has been investigated using a rotating disk electrode technique. The parameters, such as apparent rate constant, Tafel slope, Levich slope, number of electrons exchanged and reaction order, have been determined. The borohydride ion is oxidised on the gold electrode with an electrochemical rate constant of around 1 cm s-1 at intermediate potentials where side reactions had less effect. Influences of temperature, concentrations of borohydride and supporting electrolyte (NaOH) on the parameters were evaluated. © 2005 Elsevier Ltd. All rights reserved.

Publication metadata

Author(s): Cheng H, Scott K

Publication type: Article

Publication status: Published

Journal: Electrochimica Acta

Year: 2006

Volume: 51

Issue: 17

Pages: 3429-3433

ISSN (print): 0013-4686

ISSN (electronic): 1873-3859

Publisher: Pergamon

URL: http://dx.doi.org/10.1016/j.electacta.2005.09.038

DOI: 10.1016/j.electacta.2005.09.038

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