EL25204 Introduction to Electrochemical Engineering – Semester II – ChemElec – R-2025

Subject Code & Name: EL25204 – Introduction to Electrochemical Engineering

Regulation: R-2025

Semester: II (Second Semester)

Branch: B. Tech. Chemical and Electrochemical Engineering (ChemElec)

Credits / L-T-P: 3 Credits | L-T-P: 3-0-0

Course Objectives

• To impart the fundamental knowledge of electrochemical engineering for the electrochemical process and electrode design.

Full Unit-wise Syllabus

Unit I – The Scope and History of Electrochemical Engineering

Carl Wagner and the Beginning of Electrochemical Engineering Science; Electrochemistry and Electrochemical Engineering Science; Developments since the Mid-1960s; Present-day scenario.

Activity: Report preparation of history of electrochemical engineering.

Unit II – Basic Principles and Laws in Electrochemistry

Stoichiometry of Electrochemical Reactions, Faraday's Law, Production Rates and Current Densities, Current and Energy Efficiency, Ohm's Law and Electrolyte Conductivities, Parallel Circuits and Cells with Electrolytic Bypass and Kirchhoff's Rules.

Activity: Demonstration of different laws and electrical circuits.

Unit III – Electrochemical Thermodynamics

Equilibrium Cell Potential and Gibbs Energy, Electrode Potentials, Reference Electrodes, Voltage Series, Redox Schemes, Reaction Enthalpy, Reaction Entropy.

Activity: Demonstration of electrode potential measurement.

Unit IV – Electrochemical Cell and Plant Engineering

Materials Choice and Corrosion Problems: Metals & Carbons. Electrode materials: Stainless steel, Nickel, Lead, Titanium, Noble metals, Carbon.

Activity: List out various electrodes used in the different industry.

Unit V – Electrode Design

Gas evolving electrodes, Gas Consuming Electrodes, Gas Diffusion Electrode. Separators: Membranes and Diaphragm.

Activity: Demonstration of various electrodes.

Unit VI – Industrial Electrodes

Chlorine-Evolving Electrodes, Electro catalysis and Selectivity of Anodic Chlorine Evolution at RuO2-Anodes, Oxygen Evolving Anodes, Hydrogen Evolving Cathodes.

Activity: Plant visit to an electrochemical process industry.

Course Outcomes (COs)

• CO1: Explain the history and development of Electrochemical engineering domain.
• CO2: Categorize the basic law involved in electrochemical engineering.
• CO3: Develop various electrochemical processes and thermodynamic principles.
• CO4: Design the plant and electrodes for the electrochemical engineering process.
• CO5: Engage the independent study in the industrial electrodes used in diversified electrochemical industry.

Assessment Pattern (Quick Note)

• Weightage: Continuous Assessment 40% | End Semester Examinations 60%
• Internal methodology: Quiz (10%), Assignments (20%), Demonstration (20%), Internal Examinations (50%)

Source: Official Anna University – B. Tech. Chemical and Electrochemical Engineering R-2025 Syllabus
Last Updated: September 2026