EL3402 Syllabus - Electrodics and Electrocatalysis - 2021 Regulation Anna University
EL3402 Syllabus - Electrodics and Electrocatalysis - 2021 Regulation Anna University
EL3402 | ELECTRODICS AND ELECTROCATALYSIS | LTPC |
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3003
COURSE OBJECTIVES:
• To impart necessary basic knowledge in order to understand, analyze and
solve problems related to electrochemical processes.
UNIT I | ELECTRICAL DOUBLE LAYER | 9 |
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Thermodynamics of ideally polarizable and non-polarizable interfaces-
Lipman equationdetermination of interfacial tension, charge density,
surface excess and double layer capacitance by electro capillary & bridge
methods- Helmholtz, Gouy-Chapman and stern models of the double layer with
discussion of potential and charge distribution inside the double
layer-contact adsorption and its determination.
UNIT II | ELECTRODE KINETICS | 9 |
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Concepts of equilibrium potential, Nernst equation, overpotential and its
different types, equilibrium exchange current density-derivation of
Butler-Volmer equation –high field and low field approximations – charge
transfer resistance and polarizability of the interface – concepts of rate
determining step, Stoichiometric number, reaction order – Determination of
kinetics parameters [ io, ks,()] by Tafel and linear polarization
methods.
UNIT III | ELECTROCATALYSIS | 9 |
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Chemical catalysis and electro catalysis – comparison of electrocatalysts
– electro catalysis in simple redox reactions involving adsorbed species –
electronic and geometric factors in electrocatalysts -Discussion on the
mechanisms of hydrogen evolution and oxygen reduction reactions.
UNIT IV | ELECTROCHEMICAL TECHNIQUES I | 9 |
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Ion selective electrodes – Principles of potentiometry and amperometry-
determination of dissolved oxygen. Linear sweep voltammetry and cyclic
voltammetry derivation of Randles- Sevciks equation – effect of sweep
rate-analysis of cyclic voltammograms.
UNIT V | ELECTROCHEMICAL TECHNIQUES II | 9 |
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Potential step method (chronoamperometry) under diffusion control
derivation of Cottrell equation for a planar and spherical electrode-
significance of spherical diffusion – derivation of Ilkovic 65 equation.-
Chronopotentiometry and analysis of chronopotentiograms-derivation of
sands equation for constant current input under linear diffusion- concepts
of Faradaic impedance –derivation of kinetic parameters from impedance
measurements – Nyquist and bode plots for simple redox
reactions-principles of scanning probe techniques-STM-AFM and SECM –
working principles of electrochemistry.
TOTAL: 45 PERIODS
COURSE OUTCOMES: Upon completion of the course,
• Students would have the knowledge on electrical double layer,
electrocatalysis and different types of Electrochemical techniques.
TEXT BOOKS:
1. J.O.M Bockris & A.K.N. Reddy, “Modern Electrochemistry”, Vol.2,
Plenum Press (Chapter 7 for unit I: Chapters 8 & 9 for unit II ;
chapter 10 for unit III), 1996.
2. A.J.Bard & L.R. Faulkner, ”Electrochemical Methods Fundamentals and Applications”, John Wiley & Sons. 3nd Edition, 2001.
2. A.J.Bard & L.R. Faulkner, ”Electrochemical Methods Fundamentals and Applications”, John Wiley & Sons. 3nd Edition, 2001.
REFERENCES:
1. Paul Delahay, “Double Layer Structure and Electrode Kinetics”, 1965 and
publication.
2. James A. Plam Beck , “Electroanalytical Chemistry – Basic Principles and Applications”, John Wiley & sons, Wiley Publication, 1982
2. James A. Plam Beck , “Electroanalytical Chemistry – Basic Principles and Applications”, John Wiley & sons, Wiley Publication, 1982
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