Advanced Electrochemistry

Paper Code: 
CHY 423 C
Credits: 
4
Contact Hours: 
60.00
Max. Marks: 
100.00
Objective: 

To acquaint the students with the advanced aspects of electrochemistry energy storage, corrosion, catalysis.

 

12.00
Unit I: 
Electrochemical Energy Storage

Properties of electrochemical energy storers: Discharge plot, Ragone plot, measure of battery performance, charging and discharging of batteries, electrochemical capacitors as energy storers, storage density, energy density.

Classical Batteries: (i) Lead Acid (ii) Nickel –Cadmium (iii) Zinc – Manganese dioxide

Modern Batteries (i) Zinc- Air (ii) Nickel – Metal Hydride (iii) Lithium Battery (iv) Lithium ion Battery

 

 

 

 

12.00
Unit II: 
Corrosion

Electrochemical corrosion of metals, thermodynamics and stability of metals, potential –pH  (or Pourbaix) diagrams, uses and abuses, corrosion current and corrosion potential: Evans diagram.

Measurement of corrosion rate: weight loss method and electrochemical method.

Inhibition of corrosion: cathodic and anodic protection (i) by addition of substances to the electrolytic environment (ii) by charging corroding metal from external source, organic inhibition: the fuller story, green inhibitors.

Passivation: nature of the passive layer, structure of the passive film, methods of passivation, depassivation, localized corrosion.

 

12.00
Unit III: 
Fuel Cells

Electrochemical Generators (Fuel Cells): efficiency, kinetics of fuel cell reactions. types of fuel cells: alkaline fuel cell, phosphoric acid fuel cell, high temperature fuel cell, solid polymer electrolyte fuel cell, direct MeOH fuel cell, molten carbonate fuel cell, solid oxide fuel cell, applications of fuel cells.  

Energy options: hydrogen economy, introduction, hydrogen production, hydrogen transmission, storage and distribution, hydrogen fueled equipments, local electricity, production from hydrogen, hazards and safety aspects of hydrogen.

 

12.00
Unit IV: 
Electrocatalysis

Chemical catalysis and electrocatalysis, cathodic and anodic electro catalysis, electrocatalysis and adsorption effects, mechanism of electrocatalysis, volcanoes, metal electrodes-influence of the nature of the metal, influence of surface state and structure, highly dispersed metal catalyst, binary and multi component metal catalysts (metal alloys and adatoms), non-metallic catalysts, metal complexes with organic ligands.

Bio catalysis: Enzymes, immobilization, practical application of enzymes as electrode.

 

12.00
Unit V: 
Environmentally Oriented Electrochemistry and Electrochemical Sensors

Environmentally oriented electrochemistry: electrochemistry of water splitting, superelectrolyzers, photo electrochemical splitting of water, solar hydrogen production, fixing of CO2, mechanism of CO2 reduction, photochemical reduction of CO2, removal of wastes. Electrochemical decontamination of soil.

Electrochemical Sensors: Enzyme based sensors, affinity biosensors, gas sensors.

 

Essential Readings: 
  1. Modern Electrochemistry; Vol. I & II, Second Edition; J.O’m. Bockris and  K.N. Reddy; Plenum Press, New York, 2000.
  2. Fundamentals of Electrochemistry; Second Edition; V. S. Bagotsky; John Wiley and Sons, 2006.
  3. Advanced Physical Chemistry; Eighteenth Edition; J. N. Gurtu and A. Gurtu;  Pragati Prakashan, Meerut 2007.
  4. Topics in Pure and Applied Electrochemistry; S. K. Rangarajan; SASET Publication, Karaikudi, 1975.
  5. Fuelcell Handbook; Seventh Edition; US Department of Energy, National Energy Technology Laboratory, West Virginia, 2004.
  6. Analytical Electrochemistry; Third Edition; J Wang; Wiley VCH, 2006.

 

Academic Year: