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1,1

Complex spatiotemporal dynamics in metal electrodissolution: three dimensional cell geometry models.

doi: 10.6062/jcis.2012.03.02.0054(Free PDF)

Authors

Bîrzu A. and Gáspár V.

Abstract

Complex dynamics of current distribution on ring or disk working electrodes is studied numerically by modelling metal electrodissolution under potentiostatic control in a three dimensional electrochemical cell. Such spatially distributed systems exhibit extremely rich dynamics in the oscillatory regime, ranging from rotating pulses to spatio-temporal chaos. Several dynamical behaviors were selected and characterized using the Karhunen-Lo`ve (KL) decomposition and the analytical signal approach.

Keywords

spatially extended systems, nonlinear dynamics, electrochemical systems, proper orthogonal decomposition, and analytical signal approach

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