Abstract
The performances of commercially available frequency response analyzers, currently used in electrochemical impedance spectroscopy, have been improved by two methods. The first approach concerns the management of the data acquisition and correction by means of an interactive graphic program. Moreover, a new software is described, allowing the expansion by two orders of magnitude the impedance range of the instrument. The second way consists in a homemade, high‐impedance adaptor (1012 Ω, 3 pF) with a guard circuit driver, that increases the sensitivity of the analyzer. Thus, the electrical behavior of materials with high impedance modulus can be investigated.
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