Course Details

Subject {L-T-P / C} : CR4302 : Electroceramics { 3-0-0 / 3}

Subject Nature : Theory

Coordinator : Prof. Ranabrata Mazumder

Syllabus

Syllabus:
Definition, classification, scope and market. 1 Hours
Module 1: Insulators and dielectrics: low-loss ceramics, Capacitors: Types and Applications ceramic capacitors and other emerging capacitors, processing, properties and applications
Basic Properties: Dielectrics in DC electric field, Mechanisms of polarization, Effect of alternating field on the behavior of a dielectric materials, Frequency dependence of dielectric properties, circuit representation of a dielectric and impedance spectroscopy, Dielectric breakdown and basic mechanism of breakdown, Classification based on crystal classes, Ferroelectric Ceramics, Low permittivity ceramic dielectrics and insulators, High permittivity ceramics, Multilayer capacitors. 7 Hours

Module 2 : Piezoelectric: properties, processing and application
Background theory, parameters for piezoelectric ceramics and their measurement, General characteristics and fabrication of PZT, Important commercial piezoecramics, Applications: Generation of voltages, Generation of displacement-Actuators, High frequency application, Piezoceramic-polymer composite.
4 Hours
Module 3 electro-optic ceramics: Fundamental properties, materials, processing, and application areas. Pyroelectric Ceramics: Fundamental properties, materials, processing and application areas. Voltage dependent resistors, Ceramic based chemical sensor, 6 Hours

Module 4 :
Defects in crystals: Non-stoichiometry and point defects, Defect structure in Non-stoichiometric and stoichiometric oxides, Electrical conduction: Charge transport parameters, Electronic and ionic conduction Fuel cells and solid oxide fuel cells (SOFC): Fundamentals, Cathode materials, Anode materials, Electrolyte, Interconnect, Glass ceramic seals, Design of fuel cell. Ceramic based Membrane for fuel cell: processing and properties 7 Hours

Module 5 : Li-Battery Technologies and Energy Storage. High Temperature Batteries
Basics concepts of Rechargeable Li-ion batteries, Cells with insertion compounds as both Anode and Cathode, Solid electrolyte for all solid Li-ion batteries, Emerging anode materials.
Sodium-ion Batteries: Operating principle, Materials issues and fabrication. 6 Hours

Module 6: Magnetic Materials, processing, properties and application areas. Ceramic superconductors: Materials, processing, properties and application areas.
8 hours

Course Objectives

Course Outcomes

CO1: Apply the theoretical knowledge imparted during course to carry out independent research and developmental work related to ceramic materials for different emerging applications capacitor, electrical insulator, piezoelectric materials and devices, magnetic ceramics, ceramic conducting and semiconducting materials for sensor, fuel cell, battery. <br />CO2: To be well versed with fundamental theories, processing, fabrication of advanced ceramic materials for electrical, electronics and energy related applications that is adopted by industries. <br />CO3: Prepare future materials scientist and engineers who can fit in academia and industry for relevant scientific breakthrough. <br />CO4: Able to design conventional and advanced ceramics materials for future technological needs. <br />CO5: Solve numerous problems and case studies related to capacitor materials, electrical insulator, piezoelectric materials and devices, magnetic ceramics, ceramic conducting and semiconducting materials for sensor, fuel cell, battery.

Essential Reading

Supplementary Reading