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ECS Short Courses


Vienna, Austria | Sunday, October 4, 2009

Short Course #1
Basic Impedance Spectroscopy
Mark E. Orazem, Instructor

This course is intended for chemists, physicists, materials scientists, and engineers with an interest in applying electrochemical impedance techniques to study a broad variety of electrochemical processes. The attendee will develop a basic understanding of the technique, the sources of errors in impedance measurements, the manner in which experiments can be optimized to reduce these errors, and the use of regression to interpret measurements in terms of meaningful physical properties. The following topics will be covered include.

  • the motivation for using impedance spectroscopy advantages as compared to other transient techniques and the conditions under which its use is ideally suited,
  • the type of information that can be extracted from impedance measurements, including the limitations of the technique,
  • proper selection of experimental parameters,
  • the types of errors expected in impedance measurements, and methods to assess the importance of these errors and to reduce their magnitude,
  • use of the Kramers-Kronig relations as a tool for evaluating impedance data,
  • use of regression techniques and appropriate selection of weighting strategies,
  • application of electrical circuit analogues,
  • development of mathematical models appropriate for interpretation of impedance spectra in terms of physical properties, and
  • applications to different systems including corrosion, fuel cells, characterization of electronic materials, transport through membranes such as skin.


About the Instructor

Mark E. Orazemis a recognized expert on impedance spectroscopy. He has offered his short course on the topic at ECS meetings more than 10 times since 2000. His course has also been delivered to the San Francisco Bay Area and Twin Cities Sections.

Prof. Orazem organized the sixth International Symposium on Impedance Spectroscopy, held in May 2004, and he is the guest editor of a special issue of Electrochimica Acta dedicated to this topic. He has consulted with companies on the use of impedance spectroscopy. His group has developed the measurement model approach for statistical analysis of impedance spectroscopy. He has co-authored, with Bernard Tribollet of the CNRS in Paris, a textbook on the subject (Electrochemical Impedance Spectroscopy, John Wiley & Sons, Hoboken, New Jersey, 2008).

Prof. Orazem is the president-elect of the International Society of Electrochemistry and Associate Editor of the Journal of The Electrochemical Society. He has published over 100 refereed articles and chapters in books and was recognized as an ECS Fellow, a University of Florida Research Foundation Professor (1999-2002), and the Charles A. Stokes Professor of Chemical Engineering (2000-2003, 2009-2012).

For additional information about Education, please contact: education


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