6533b7d0fe1ef96bd125ac81

RESEARCH PRODUCT

Diffusion and Migration

subject

description

The sections in this article are Introduction Fundamental Concepts Diffusion–migration Flux Equations Poisson Equation and the LEN Assumption Continuity Equation Ohm's Law and Migrational Transport Numbers Diffusion-conduction Flux Equation Diffusion Boundary Layer Faraday's Law and Integral Transport Numbers Nernst Equation and Concentration Overpotential Steady State Current–voltage Curves of Systems with One Active Species Integration of the Transport Equations Solutions of Homovalent Ions, |zi | =z Binary Electrolyte Solutions Ternary Electrolyte Solutions. The Supporting Electrolyte Weak Binary Electrolyte Steady State Current–overpotential Curves in the Presence of Supporting Electrolyte Systems with One Electroactive Species Systems with Several Electroactive Species Diffusion-reaction Processes Steady State Current–voltage Curves of Systems with Several Active Species Kramer's Integration Method The Equation for the Electric Field under the LEN Assumption Ternary Electrolyte Solutions Quaternary Electrolyte Solutions Ion Transport under Transient Conditions Fick's Second Law for a Strong Binary Electrolyte Systems with One Active Species and Supporting Electrolyte Voltage Step in the Presence of Supporting Electrolyte Current Step in the Presence of Supporting Electrolyte Voltage Step in the Absence of Supporting Electrolyte Deviations from Local Electroneutrality Space Charge Density Deviations from Local Electroneutrality Validity of the LEN Assumption Appendix A Appendix B List of important symbols