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Course10410610553 lectures

Electrochemical impedance Spectroscopy

Prof. S. Ramanathan · IIT Madras

Start with lecture 1 At NPTEL

Lectures

Week 1

  1. Detailed Syllabus Video
  2. Electrochemistry, double layer, 3 electrode systems, supporting electrolyte Video
  3. Rate constant, concept of impedance, Z of electrical elements, differential impedance Video
  4. Time domain results Video
  5. Graphical representation of data (Complex plane, Bode) Video
  6. Introduction to other techniques Video
  7. Tutorial 01 Video

Week 0

  1. Type of analyzers, single and multi sine Video
  2. FFT details, frequency range and resolution, cross correlation Video
  3. Multi sine, odd harmonic, non-harmonics, crest factor, spectral leakage Video
  4. Windowing Video
  5. Tutorial 02 Video

Week 3

  1. Introduction to KKT Video
  2. Linearity, causality, stability, impedance vs. admittance, measurement model Video
  3. Linear KKT illustration Video
  4. Tutorial 03 Video

Week 4

  1. Introduction to EEC, Choice of circuits, confidence intervals, AIC Video
  2. EEC fitting, initial values, distinguishability Video
  3. Zero/pole representation, Rt and Rp Video
  4. Maxwell, Voigt, Ladder circuits, choice of initial values illustrated Video
  5. Tutorial 04 Video

Week 5

  1. Simple electron transfer reaction Video
  2. Two step reaction with an intermediate (1 of 3) Video
  3. Two step reaction with an intermediate (2 of 3) Video
  4. Two step reaction with an intermediate (3 of 3) Video

Week 6

  1. E-EAR reaction, negative resistance (1 of 2) Video
  2. E-EAR reaction, negative resistance (2 of 2) Video
  3. Three step reaction with two adsorbed intermediates Video

Week 7

  1. Catalytic mechanism. Video
  2. Examples with Frumkin or Temkin isotherms Video
  3. Challenges in RMA Video
  4. Patterns reported in experiments Video

Week 8

  1. Warburg Video
  2. Warburg Video
  3. Warburg Video
  4. Bounded Warburg Video

Week 9

  1. CPE Video
  2. Porous electrodes Video

Week 10

  1. Films, PDM Video
  2. PDM Video
  3. Applications Video

Week 11

  1. NLEIS. Introduction and mathematical background Video
  2. Electron Transfer reaction Video
  3. Two step reaction Video
  4. Two step reaction (continued) Video
  5. Rt and Rp estimation Video
  6. Galvanostatic simulations Video

Week 12

  1. Instabilities Video
  2. Solution resistance effects Video
  3. Detection on nonlinearities using KKT Video
  4. Frumkin and Temkin isotherms Video
  5. NLEIS Experimental aspects. FFT, PSD, THD Video
  6. Application - other techniques HA, EFM Video

Syllabus and materials

At NPTEL, as the course publishes them.

Credits and licence

Institution
IIT Madras
Department
Chemistry and Biochemistry
Teacher
Prof. S. Ramanathan
Level
Undergraduate
Language
English
Subjects
Chemistry
Source
NPTEL
Licence
CC BY-NC-SA, as NPTEL states it. Non-commercial use only. NPTEL's terms
Attribution
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