Electrochemistry - Electrochemical Impedance Spectroscopy (EIS) Theory скачать в хорошем качестве

Electrochemistry - Electrochemical Impedance Spectroscopy (EIS) Theory

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