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NOC:Electrochemical impedance Spectroscopy
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NOC:Electrochemical impedance Spectroscopy
by Dr S Ramanathan

Electrochemical Impedance Spectroscopy (EIS) is a frequency domain measurement made by applying a sinusoidal perturbation, often a voltage, to a system. The impedance at a given frequency is related to processes occurring at timescales of the inverse frequency (e.g. f=10 Hz, t=0.1 s). Although many other electrochemical measurements focus on drivin...

5.0  (567 Ratings) 827 Learner
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About This Course

Electrochemical Impedance Spectroscopy (EIS) is a frequency domain measurement made by applying a sinusoidal perturbation, often a voltage, to a system. The impedance at a given frequency is related to processes occurring at timescales of the inverse frequency (e.g. f=10 Hz, t=0.1 s). Although many other electrochemical measurements focus on drivin...

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Course Curriculum
12 Sections | 53 Lecture | 29h 37min total length
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NOC:Electrochemical impedance Spectroscopy

Week 1

| 02h 18min total length
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    Detailed Syllabus

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    Electrochemistry? double layer 3 electrode systems, supporting electrolyte

    25m <?php echo $alt; ?>
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    Rate constant, concept of impedance Z of electrical elements, differential impedance

    26m <?php echo $alt; ?>
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    Time domain results

    25m <?php echo $alt; ?>
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    Graphical representation of data (Complex plane, Bode)

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    Introduction to other techniques

    20m <?php echo $alt; ?>
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    Tutorial 01

    10m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 2

| 02h 03min total length
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    Type of analyzers, single and multi sine

    21m <?php echo $alt; ?>
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    FFT details, frequency range and resolution, cross correlation

    37m <?php echo $alt; ?>
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    Multi sine, odd harmonic, non harmonics, crest factor, spectral leakage

    39m <?php echo $alt; ?>
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    Windowing

    12m <?php echo $alt; ?>
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    Tutorial 02

    12m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 3

| 01h 25min total length
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    Introduction to KKT

    24m <?php echo $alt; ?>
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    Linearity, causality, stability, impedance vs admittance, measurement model

    36m <?php echo $alt; ?>
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    Linear KKT illustration

    16m <?php echo $alt; ?>
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    Tutorial 03

    8m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 4

| 02h 23min total length
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    Introduction to EEC, Choice of circuits, confidence intervals, AIC

    27m <?php echo $alt; ?>
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    EEC fitting, initial values, distinguishability

    45m <?php echo $alt; ?>
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    Zero/pole representation, Rt and Rp

    31m <?php echo $alt; ?>
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    Maxwell, Voigt, Ladder circuits, choice of initial values illustrated

    27m <?php echo $alt; ?>
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    Tutorial 04

    12m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 5

| 02h 35min total length
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    Simple electron transfer reaction

    30m <?php echo $alt; ?>
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    Two step reaction with an intermediate (1 of 3)

    42m <?php echo $alt; ?>
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    Two step reaction with an intermediate (2 of 3)

    41m <?php echo $alt; ?>
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    Two step reaction with an intermediate (3 of 3)

    40m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 6

| 02h 29min total length
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    E-EAR reaction, negative resistance (1 of 2)

    49m <?php echo $alt; ?>
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    E-EAR reaction, negative resistance (2 of 2)

    52m <?php echo $alt; ?>
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    Three step reaction with two adsorbed intermediates

    47m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 7

| 02h 46min total length
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    Catalytic mechanism.

    47m <?php echo $alt; ?>
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    Examples with Frumkin or Temkin isotherms

    44m <?php echo $alt; ?>
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    Challenges in RMA

    40m <?php echo $alt; ?>
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    Patterns Reported in Experiments

    33m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 8

| 02h 31min total length
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    Warburg part 1

    39m <?php echo $alt; ?>
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    Warburg part 2

    14m <?php echo $alt; ?>
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    Warburg part 3

    44m <?php echo $alt; ?>
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    Bounded Warburg

    53m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 9

| 01h 31min total length
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    CPE

    42m <?php echo $alt; ?>
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    Porous electrodes

    49m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 10

| 02h 18min total length
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    Films, PDM

    48m <?php echo $alt; ?>
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    PDM.

    48m <?php echo $alt; ?>
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    Applications

    42m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 11

| 03h 21min total length
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    NLEIS. Introduction and mathematical background

    45m <?php echo $alt; ?>
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    Electron Transfer reaction.

    22m <?php echo $alt; ?>
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    Two step reaction.

    25m <?php echo $alt; ?>
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    Two step reaction (continued)

    39m <?php echo $alt; ?>
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    Rt and Rp estimation

    41m <?php echo $alt; ?>
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    Galvanostatic simulations

    26m <?php echo $alt; ?>
NOC:Electrochemical impedance Spectroscopy

Week 12

| 03h 50min total length
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    Instabilities

    34m <?php echo $alt; ?>
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    Solution resistance effects

    34m <?php echo $alt; ?>
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    Detection on nonlinearities using KKT

    36m <?php echo $alt; ?>
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    Frumkin and Temkin isotherms

    24m <?php echo $alt; ?>
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    NLEIS Experimental aspects. FFT, PSD, THD

    59m <?php echo $alt; ?>
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    Application? other techniques HA, EFM

    41m <?php echo $alt; ?>
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