Current Distributions and Electrode Shape Changes in Electrochemical Systems

Author:   Johan Deconinck
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Edition:   Softcover reprint of the original 1st ed. 1992
Volume:   75
ISBN:  

9783540551041


Pages:   281
Publication Date:   30 March 1992
Format:   Paperback
Availability:   Out of stock   Availability explained
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Current Distributions and Electrode Shape Changes in Electrochemical Systems


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Overview

This volume is published in response to the increasing demand for computer modelling of electrochemical processes in order to improve their speed and efficiency. The fundamental transport equations in dilute solutions are introduced and it is established in detail under what circumstances a potential model with non-linear boundary conditions, involved in electrode reactions, can be used. A survey is given of the most important solution techniques, FEM, FDM and BEM, and the solution of non-linear systems of equations by successive substitution and Newton-Raphson method is treated. Using the BEM, several two-dimensional and axisymmetrical examples of current density distributions are given and quantitative data, obtained in a copper electro-refining cell, are compared with calculated results. Applying Faraday's law and the BEM, the simulation of electro deposition, electrochemical levelling and electrochemical machining are treated with an emphasis on accuracy and stability.

Full Product Details

Author:   Johan Deconinck
Publisher:   Springer-Verlag Berlin and Heidelberg GmbH & Co. KG
Imprint:   Springer-Verlag Berlin and Heidelberg GmbH & Co. K
Edition:   Softcover reprint of the original 1st ed. 1992
Volume:   75
Dimensions:   Width: 17.00cm , Height: 1.80cm , Length: 24.20cm
Weight:   0.524kg
ISBN:  

9783540551041


ISBN 10:   3540551042
Pages:   281
Publication Date:   30 March 1992
Audience:   College/higher education ,  Professional and scholarly ,  Postgraduate, Research & Scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Out of stock   Availability explained
The supplier is temporarily out of stock of this item. It will be ordered for you on backorder and shipped when it becomes available.

Table of Contents

1. The Current Distribution in Electro-Chemical Systems.- 1.1. Introduction.- 1.2. The electrode-electrolyte interphase.- 1.3. Transport equations in dilute solutions.- 1.4. Solution of the transport equations in dilute solutions.- 1.5. The boundary conditions of the potential model.- 1.6. Types of current distributions.- 1.7. The Wagner number.- 1.8. Electrode shape change.- 1.9. Conclusion.- 2. Solution of the Potential Model.- 2.1. Introduction.- 2.2. Hypotheses and definitions.- 2.3. Weighted residual statements for the Laplace equation.- 2.4. Solution of current distributions with trial functions satisfying the field equations.- 2.5. Solution of current distributions with trial functions not satisfying the field equations.- 2.6. Solution of current distributions based on weight functions satisfying the field equation.- 2.7. The physical interpretation of the integral equation.- 2.8. The outer normal convention..- 2.9. Indirect and regular boundary methods.- 2.10. Comparison of the treated weighted residual methods.- 2.11. Solution of current distributions by electric simulation.- 2.12. Conclusion.- 3. The Boundary Element Method to Solve Current Distributions.- 3.1. Introduction.- 3.2. Concretization of the boundary element method.- 3.3. The overvoltage equations.- 3.4. Solution of the non-linear system of equations.- 3.5. Examples.- 3.6. Copper electrorefining: numerical and experimental results.- 3.7. Conclusion.- 4. Electrode Shape Change.- 4.1. Introduction.- 4.2. The discretization with respect to time.- 4.3. The electrode shape change algorithm.- 4.4. Examples.- 4.5. Electrodeposition and electrode dissolution in copper electrorefining. Numerical and experimental results.- 4.6. Conclusion.- 5. General Conclusion.- References.- Appendices.- A.1.1 Primary current distribution along a free cathode in parallel with an anode and perpendicular to an insulating boundary.- A.1.2 Primary current distribution along an L-shaped cathode.- A.1.3 Primary current distribution along a cathode being in line with an insulating boundary.- A.2 Solution of the potential model using trial functions satisfying the field equation: example.- A.3.1 Analytic integration of integrals involved by the two-dimensional boundary element method using straight elements.- A.3.2 Evaluation of integrals involved by the boundary element method used to solve axisymmetric potential problems.- A.4 The global Newton convergence of the potential problem with non-linear boundary conditions.

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