Electrochemical Impedance Spectroscopy

eis5

EIS: A Powerful Technique

Electrochemical Impedance Spectroscopy (EIS) is a powerful technique with a broad range of research applications.  Click on a link below to view the Application or Technical Note.

 

Complete List EIS Application Notes »

Verification of Low-impedance EIS Using a 1 mΩ Resistor

Posted by gamry on August 2, 2013

This application note describes a series of EIS measurements made on a 1mW surface-mount resistor.

Read the full article »

Create Your Own Components for EIS Modeling

Posted by gamry on August 2, 2013

With Gamry’s Echem Analyst and Model Editor you can create all sorts of EIS models provided they are made up of series and parallel combinations of 8 different basic circuit components.

Read the full article »

OptiEIS™: A Multisine Implementation

Posted by gamry on August 2, 2013

This application note discusses the use of multiple sine wave excitation in EIS and its implementation in Gamry Instrument software.

Read the full article »

EIS of Organic Coatings and Paints

Posted by gamry on August 2, 2013

All my impedance spectra look the same! This complaint is very common.

Read the full article »

The Implementation of Transmission Lines Using Generalized Circuit Blocks

Posted by gamry on July 26, 2013

Transmission lines are regularly used to model the impedance spectra of porous systems.

Read the full article »

Quick Check of EIS System Performance

Posted by gamry on July 26, 2013

This application note is a protocol to assess quickly the performance of any EIS instrument.

Read the full article »

Accuracy Contour Plots – Measurement and Discussion

Posted by gamry on July 26, 2013

This technical note discusses the Accuracy Contour Plot (ACP). The ACP gives the user valuable information about a potentiostat’s EIS performance and accuracy.

Read the full article »

Equivalent Circuit Modeling Using the Gamry Electrochemical Impedance Spectroscopy Software

Posted by gamry on July 26, 2013

This Note is a practical discussion of the most common method for EIS data analysis.

Read the full article »

Impact on EIS using the Reference 600 / 3000 with an ECM8 Multiplexer

Posted by gamry on July 26, 2013

This technical note discusses the Electrochemical Impedance Spectroscopy (EIS) performance of Gamry’s multiplexed EIS systems.

Read the full article »

EIS Measurement of a Very Low Impedance Lithium Ion Battery

Posted by gamry on July 26, 2013

This Application Note describes a series of EIS measurements made on a Li ion secondary battery rated to have impedance below 500 µΩ at 1 kHz.

Read the full article »