Numerical analysis of a model for nickel-iron alloy electrodeposition on rotating disk electrode

To better understand the nickel-iron electrodeposition process, we have developed one-dimensional numerical model. This model addresses dissociation, diffusion, electromigration, convection and deposition of multiple ion species. The reaction mechanism in this model differs in that Ni2+ and Fe2+ are the electroactive species and NiOH+ and FeOH+ are not involved whatsover. To take account of the anisotropic behaviour of the solution we introduce a domain decomposition numerical method. Simulations with experimental data shows that our model can predict characteristic features of the nickel-iron system. this work was supported by the Action Integree program MA/02/33, the ”’Agence universitaire de la Francophonie AUF” and the Elie Cartan Institute (IECN) of the Henri Poincaré University Faculté des Sciences et Téchniques Gueliz, Département de Mathématiques et Informatique. B.P.549 Marrakech-Maroc, [email protected] Faculté des Sciences et Téchniques Gueliz, Département de Mathématiques et Informatique. B.P.549 Marrakech-Maroc, [email protected] I.E.C.N., Université Henri Poincaré, B.P 239, 54506 Vandoeuvre lès Nancy, France,[email protected] I.E.C.N., Université Henri Poincaré, B.P 239, 54506 Vandoeuvre lès Nancy, France,[email protected] Faculté des Sciences et Téchniques Errachidia, Département de Chimie. B.P. Errachidia-Maroc, [email protected]