Course

Unit 1: Electrodeposition: Review of thermodynamics, kinetics and quantitative electrochemistry, Industrial plating of copper-nickel (dull and bright) – chromium on mild steel operating conditions and sequence pre-treatment processes – plant layout electroplating of zinc on MS and post plating chromating, yellow and blue passivation processes decorative plating of silver and gold on non-ferrous metals brief discussion on nano plating of metals and microstructure of the deposition. Properties of deposits: Tests for adhesion, hardness, thickness, uniformity and corrosion resistance of the electro deposits. Electroless deposition: Nickel, copper, gold on metal components bath composition and operating conditions – immersion plating – plating on plastics pre-treatment processes long duration plating electroforming, operating conditions and sequence. (14 hours)Unit 2: Anodising: Industrial anodizing of aluminium and its alloys baths used, operating conditions and sequence plant layout effect of temperature and current density on the thickness of anodic film determination of thickness industrial applications. Nano anodizing of titaniuim, aluminium and tantalum application to sensor field. Plasma electrolytic oxidation: power supply requirements baths used process sequence for aluminium, magnesium and titanium properties of the coating and industrial applications. Electropolishing: electropolishing of ferrous and non-ferrous metals industrial baths used operating conditions and sequence industrial applications.(13 hours)Unit 3: Electrochemical etching: Etching of ferrous and non-ferrous metals special properties of matt and satin finish DC and AC processes operating conditions and sequence. Electrochemical and chemical metal colouring of ferrous and nonferrous metals. Black nickel coating Hard chromium deposition Hard anodizing of aluminium Electrochemical machining of hard steels Electro-winning process Barrel plating Electrodeposition of paint.(10 hours)Unit 4: Energy storage devices: Batteries-primary, secondary, construction and working of Duracell, Metal air batteries, lead acid batteries and lithium-ion batteries. Reserve batteries, redox flow batteries. Fuel cells- hydrogen, methanol, solid oxide, biofuel cells. Supercapacitors and Green hydrogen production. Battery characteristics-Ragone plots, Peukert curves. (10 hours)Unit 5: Lithium battery recycling: Potential environmental impact of spent lithium-ion batteries, pretreatment of spent lithium-ion batteries for recycling processing, pyrometallurgical processing for recycling spent lithium-ion batteries, hydrometallurgical processing for recycling spent lithium-ion batteries, direct processing for recycling spent lithium-ion batteries; high value-added products from recycling of spent lithium-ion batteries. (13 hours)

CO1: Apply the basic concepts in electrochemistry for the industrial plating of different protective metalsCO3: Analyze anodization process for corrosion protection and metal finishingCO3: Apply the principles of electrochemical energy storage fabrication and its workingCO4: Understand various methods for the recycling of lithium batteries

Suggested Reading1.Derek Pletcher and Frank C. Walsh, Industrial Electrochemistry, Blackie Academic and Professional, (1993). 2.Christopher M A, Brett, Electrochemistry Principles, Methods and Applications, Oxford University, (2004).3.Linden, D., 1995. Handbook of batteries. In Fuel and energy abstracts (Vol. 4, No. 36, p. 265). 4.Liang, A., 2019. Recycling of Spent Lithium-Ion Batteries: Processing Methods and Environmental Impacts.5.Watanabe T, Nano-plating: microstructure control theory of plated film and data base of plated film microstructure, Elsevier, Oxford, UK (2004). 6.Kanani N, Electroplating and electroless plating of copper and its alloy, ASM International, Metals Park, OH and Metal Finishing Publications, Stevenage, UK (2003). 1. Curtis, Electroforming’, London, (2004).7.Rumyantsev E and Davydov A, Electrochemical machining of metals, Mir, Moscow, (1989).8.Peter G Sheasby Basics of aluminium anodising, Banbury, Oxon (2001)9.Robert Brugger Nickel Plating Robert Draper Ltd, Teddington, (1970) 10.J.K.Dennis, T.E.Such, Nickel and Chromium Plating, Third Edition Woodhead Publishing Series in Metals and Surface Engineering, 3rd Edition, (1993