Module No.

Topics

Lectures

1

Equilibrium properties of electrolytes

1. Ion – ion interactions and Stokes – Einstein Equations
2. Poisson – Boltzmann equation and Debye – Hückel theory
3. Ion pair formation and Bjerrum theory
4. Activity coefficients and their significance
5. Modern theories  of electrolyte solutions
6. Debye -  Hückel – Onsagar theory for strong and weak electrolytes
7. Applications of conductance measurements

11

2

Electrode potentials and applications

1. Electrode potential Nernst equation
2.  Electrochemical series – Latimer and Frost diagrams
3. Applications of Nernst equation in estimating Thermodynamic properties and pH measurements

5

3

Electrode Kinetics

1. Significance of Overpotentials – Activation, Ohmic and diffusion overpotentials
2. Kinetics of electrode reactions – Butler – Volmer equation and its limiting cases
3. Methods of estimating rate constants
4. Hydrogen evolution reaction

6

4

Electrochemical and Electroanalytical techniques

1. Polarography – Dropping mercury electrode, Ilkovic equation – derivation and limitations
2. Chronoamprometry, Cottrell equation  and Cyclic voltammetry
3. Basics of Electrochemical Impedance Spectroscopy

5

5

Bio electrochemistry

1. Ion transport across membranes – Nernst – Planck equation
2. Liquid Junction Potentials and concentration cells
3. Donnan Membrane equilibrium

3

6

Electrochemical energy systems

1. Energy storage devices – batteries and fuel cells
2. Electrochemical Supercapacitors

4

7

Electrochemical interfaces

1. Electrochemical interfaces – electrical double layer – Lippmann equation
2. Helmholtz and Gouy – Chapman – Stern models of the double layer
3. Modern theories of electrical double layer
4. Adsorption of ions and dipoles

6