Electrochemistry Electrochemical Impedance Spectroscopy EIS Theory

>> YOUR LINK HERE: ___ http://youtube.com/watch?v=I3uvugRXHG8

This webinar covers theoretical basics of Electrochemical Impedance Spectroscopy (EIS). More details can be found in our Application Notes at http://www.ameteksi.com/library/appli... and http://www.ameteksi.com/library/appli.... Please send your questions to [email protected] • Contents: • Click on the number behind the row to jump directly to that part in the video. • Introduction 0:00 • Comparison of DC and AC techniques 0:40 • EIS Fundamentals 3:04 • Linearity - Butler Volmer Equation 4:58 • Valid EIS Measurements 6:50 • Why is frequency important? 9:09 • Typical elements: • Resistance 10:51 • Capacitance and Constant Phase Element 12:17 • Inductance 14:30 • Diffusion Warburg Element 16:32 • Path of leas impedance - which way do I go? 17:41 • Plotting of results: Bode and Nyquist (Complex Plane) Plots 21:15 • Equivalent circuit analysis - building models 22:50 • Frequency domain - deconvolution of parallel electrode processes 25:21 • Bandwidth of the SYSTEM (potentiostat, cable and cell) 25:53 • Effect of boosters on bandwidth 27:13 • Points to consider for us 28:25 • Advanced EIS testing: Harmonic Analysis 30:44 • Advanced EIS testing: Multi-Sine 33:11 • Key concepts and summary 34:41

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