# Electrochemical impedance Spectroscopy

- Institution: IIT Madras
- Department: Chemistry and Biochemistry
- Teacher: Prof. S. Ramanathan
- Level: Undergraduate
- Language: English
- Subjects: Chemistry
- Source: [NPTEL](https://nptel.ac.in/courses/104106105)
- Licence: [CC BY-NC-SA](https://nptel.ac.in/faq) (Non-commercial use only.)
- Syllabus: [at the source](https://nptel.ac.in/courses/104106105)
- Who can watch: Tweens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

## Lectures

1. [Detailed Syllabus](https://invisiblenetwork.ai/learn/nptel/104106105/73d622cffe02) (Video)
2. [Electrochemistry, double layer, 3 electrode systems, supporting electrolyte](https://invisiblenetwork.ai/learn/nptel/104106105/9956de5d95b8) (Video)
3. [Rate constant, concept of impedance, Z of electrical elements, differential impedance](https://invisiblenetwork.ai/learn/nptel/104106105/d8b72631b1fb) (Video)
4. [Time domain results](https://invisiblenetwork.ai/learn/nptel/104106105/ccc18e570052) (Video)
5. [Graphical representation of data (Complex plane, Bode)](https://invisiblenetwork.ai/learn/nptel/104106105/27bddbc92f64) (Video)
6. [Introduction to other techniques](https://invisiblenetwork.ai/learn/nptel/104106105/a11388ec7757) (Video)
7. [Tutorial 01](https://invisiblenetwork.ai/learn/nptel/104106105/d1b497a96195) (Video)
8. [Type of analyzers, single and multi sine](https://invisiblenetwork.ai/learn/nptel/104106105/be9e213a0a4b) (Video)
9. [FFT details, frequency range and resolution, cross correlation](https://invisiblenetwork.ai/learn/nptel/104106105/b2133bb78635) (Video)
10. [Multi sine, odd harmonic, non-harmonics, crest factor, spectral leakage](https://invisiblenetwork.ai/learn/nptel/104106105/76f669641c6b) (Video)
11. [Windowing](https://invisiblenetwork.ai/learn/nptel/104106105/7377a104e9e8) (Video)
12. [Tutorial 02](https://invisiblenetwork.ai/learn/nptel/104106105/5852252ba4d9) (Video)
13. [Introduction to KKT](https://invisiblenetwork.ai/learn/nptel/104106105/78ff7f94539b) (Video)
14. [Linearity, causality, stability, impedance vs. admittance, measurement model](https://invisiblenetwork.ai/learn/nptel/104106105/9f693b79b09c) (Video)
15. [Linear KKT illustration](https://invisiblenetwork.ai/learn/nptel/104106105/fe530ab7fc44) (Video)
16. [Tutorial 03](https://invisiblenetwork.ai/learn/nptel/104106105/793eca83f143) (Video)
17. [Introduction to EEC, Choice of circuits, confidence intervals, AIC](https://invisiblenetwork.ai/learn/nptel/104106105/02cf38e5d8d8) (Video)
18. [EEC fitting, initial values, distinguishability](https://invisiblenetwork.ai/learn/nptel/104106105/77699df918da) (Video)
19. [Zero/pole representation, Rt and Rp](https://invisiblenetwork.ai/learn/nptel/104106105/df27c3c99394) (Video)
20. [Maxwell, Voigt, Ladder circuits, choice of initial values illustrated](https://invisiblenetwork.ai/learn/nptel/104106105/9136ac8a2b8a) (Video)
21. [Tutorial 04](https://invisiblenetwork.ai/learn/nptel/104106105/4a1ad9712332) (Video)
22. [Simple electron transfer reaction](https://invisiblenetwork.ai/learn/nptel/104106105/25b445ebb4da) (Video)
23. [Two step reaction with an intermediate (1 of 3)](https://invisiblenetwork.ai/learn/nptel/104106105/1c668cbe9db5) (Video)
24. [Two step reaction with an intermediate (2 of 3)](https://invisiblenetwork.ai/learn/nptel/104106105/27d84086cee6) (Video)
25. [Two step reaction with an intermediate (3 of 3)](https://invisiblenetwork.ai/learn/nptel/104106105/92caa4057234) (Video)
26. [E-EAR reaction, negative resistance (1 of 2)](https://invisiblenetwork.ai/learn/nptel/104106105/9c4227bbf7ba) (Video)
27. [E-EAR reaction, negative resistance (2 of 2)](https://invisiblenetwork.ai/learn/nptel/104106105/7388f686fccd) (Video)
28. [Three step reaction with two adsorbed intermediates](https://invisiblenetwork.ai/learn/nptel/104106105/376f36b32f6d) (Video)
29. [Catalytic mechanism.](https://invisiblenetwork.ai/learn/nptel/104106105/0b10ef034d0f) (Video)
30. [Examples with Frumkin or Temkin isotherms](https://invisiblenetwork.ai/learn/nptel/104106105/0e4f07d656bb) (Video)
31. [Challenges in RMA](https://invisiblenetwork.ai/learn/nptel/104106105/a989e3c9a090) (Video)
32. [Patterns reported in experiments](https://invisiblenetwork.ai/learn/nptel/104106105/b932bf3a0675) (Video)
33. [Warburg](https://invisiblenetwork.ai/learn/nptel/104106105/d21afb1f18b6) (Video)
34. [Warburg](https://invisiblenetwork.ai/learn/nptel/104106105/569ebc08d4ae) (Video)
35. [Warburg](https://invisiblenetwork.ai/learn/nptel/104106105/b440d0402547) (Video)
36. [Bounded Warburg](https://invisiblenetwork.ai/learn/nptel/104106105/349a0b12f2eb) (Video)
37. [CPE](https://invisiblenetwork.ai/learn/nptel/104106105/9dbc0ddffee8) (Video)
38. [Porous electrodes](https://invisiblenetwork.ai/learn/nptel/104106105/873acd9622cd) (Video)
39. [Films, PDM](https://invisiblenetwork.ai/learn/nptel/104106105/c9f18cb1d7d1) (Video)
40. [PDM](https://invisiblenetwork.ai/learn/nptel/104106105/f35cf98e6eff) (Video)
41. [Applications](https://invisiblenetwork.ai/learn/nptel/104106105/3e15d77b95ce) (Video)
42. [NLEIS. Introduction and mathematical background](https://invisiblenetwork.ai/learn/nptel/104106105/91d456bb5516) (Video)
43. [Electron Transfer reaction](https://invisiblenetwork.ai/learn/nptel/104106105/5bca11dbbc5b) (Video)
44. [Two step reaction](https://invisiblenetwork.ai/learn/nptel/104106105/d9dd9b85623c) (Video)
45. [Two step reaction (continued)](https://invisiblenetwork.ai/learn/nptel/104106105/06f15828e486) (Video)
46. [Rt and Rp estimation](https://invisiblenetwork.ai/learn/nptel/104106105/f24308a44517) (Video)
47. [Galvanostatic simulations](https://invisiblenetwork.ai/learn/nptel/104106105/70f4fa43caf6) (Video)
48. [Instabilities](https://invisiblenetwork.ai/learn/nptel/104106105/6b84a471b862) (Video)
49. [Solution resistance effects](https://invisiblenetwork.ai/learn/nptel/104106105/23d687f26b4f) (Video)
50. [Detection on nonlinearities using KKT](https://invisiblenetwork.ai/learn/nptel/104106105/e80e61b89b3b) (Video)
51. [Frumkin and Temkin isotherms](https://invisiblenetwork.ai/learn/nptel/104106105/fb2237d908bc) (Video)
52. [NLEIS Experimental aspects. FFT, PSD, THD](https://invisiblenetwork.ai/learn/nptel/104106105/14f584a36548) (Video)
53. [Application - other techniques HA, EFM](https://invisiblenetwork.ai/learn/nptel/104106105/b63a44f7d742) (Video)