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NPTEL

Transport processes and Modelling of sustainable electrochemical energy systems

NPTEL via Swayam

Overview

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ABOUT THE COURSE:The course provides a comprehensive understanding of charge and mass transport phenomena in electrochemical systems, essential for advancing sustainable energy technologies. The course covers fundamental principles such as the Nernst-Planck equations, Poisson equation, and electric double layer (EDL) models, along with electrokinetic effects like electro-osmosis and electrophoresis. Special focus is given to transport in porous media, including charge dynamics in fuel cells, electrolysers, and membrane-based electrolytes. Advanced topics include viscous fingering, solute transport in confined conduits, and liquid-vapor displacement in porous structures. The course also introduces modeling frameworks for green hydrogen production, covering stack design, system integration, and techno-economic assessments. Designed for students and researchers, this course bridges theoretical concept with applications in sustainable electrochemical energy systems.This course is developed as a part of the academic collaboration with IIT Kharagpur, IIPE Visakhapatnam and Technion-Israel Institute of Technology, supported through the SPARC research grant (Sanction No.:SPARC/2024-2025/ENSU/P3239, dated 29-04-2024) by the SPARC Apex Committee, Ministry of Education, Govt. India.INTENDED AUDIENCE: Students and industry professionalsPREREQUISITES: Fluid Flow, Mass TransferINDUSTRY SUPPORT: Reliance Industries Ltd. – Energy Division, Tata Steel, GE Renewables, Indian Oil Corp., Bharat Petroleum Corp. Ltd., and many others in the renewable & sustainable energy sector.

Syllabus

Week 1:
  • Introduction to charge transport and its relevance to electrochemical energy system
  • Conservation of ion, the Nernst Planck Equations
  • The advection-diffusion migration framework
  • Poisson Equation for the electric potential distribution
  • Electric Double Layer (EDL) and its structure

Week 2:
  • Approximate models of the EDL, and the electric potential distribution
  • Basics of Electrokinetic phenomena – Electro-osmosis
  • Basics of Electrokinetic phenomena – Electrophoresis
  • Pore flow model
  • Charge transport in porous media

Week 3:
  • Basics of transport in porous media : relevance in transport through membrane based electrolyte or electrodes in electrolysers, fuel cell
  • Introduction to Saffman Taylor instability
  • Analysis of multiphase transport in porous media
  • Liquid-vapour transport in porous media
  • Transport of charged and uncharged solutes in confined conduit : Part I

Week 4:
  • Transport of charged and uncharged solutes in confined conduit : Part II
  • Introduction to design of green H2 units
  • Modelling framework of individual standalone unit
  • Transport process in membrane electrolytes: part I
  • Transport process in membrane electrolytes: part II

Taught by

Prof. Guy Ramon, Prof. Raka Mondal, Prof. Sirshendu De, Prof. Sourav Mondal

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