ELECTRODEPOSITION MODELING USING COUPLED PHASE-FIELD AND LATTICE BOLTZMANN APPROACH

D. V. Patil (), K. N. Premnath, D. Desai and Sanjoy Banerjee
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D. V. Patil: The CUNY Energy Institute, Department of Chemical Engineering, City College of New York, 140th Street and Convent Avenue, New York, NY 10031, USA
K. N. Premnath: Department of Mechanical Engineering, University of Colorado Denver, 1200 Larimer Street, Campus Box 112, PO Box 173364 Denver, CO 80217-3364, USA
D. Desai: The CUNY Energy Institute, Department of Chemical Engineering, City College of New York, 140th Street and Convent Avenue, New York, NY 10031, USA
Sanjoy Banerjee: The CUNY Energy Institute, Department of Chemical Engineering, City College of New York, 140th Street and Convent Avenue, New York, NY 10031, USA

International Journal of Modern Physics C (IJMPC), 2014, vol. 25, issue 01, 1-8

Abstract: In this paper, a coupled phase-field (PF) and lattice Boltzmann method (LBM) is presented to model the multiphysics phenomenon involving electro-chemical deposition. The deposition (or dissolution) of the electrode is represented using variations of an order-parameter. The time-evolution of an order-parameter is proportional to the variation of a Ginzburg–Landau free-energy functional. Further, the free-energy densities of the two phases are defined based on a dilute or an ideal solution approximation. An efficient LBM is used to obtain the converged electro-static potential field for each physical time-step of the evolution of the PF variable. The coupled approach demonstrates the applicability of the LBM in a multiphysics scenario. The numerical validation for the coupled approach is performed by the simulation of the electrodeposition process ofCufromCuSO4solution.

Keywords: Electrodeposition; lattice Boltzmann; phase-field method; Poisson equation; 02.70.–c; 47.11.–j; 82.47.Cb (search for similar items in EconPapers)
Date: 2014
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DOI: 10.1142/S0129183113400184

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