Electrochemical impedance spectroscopy for the characterisation of battery cells
What matters in EIS - basics and recommendations for meaningful measurement results
Electrochemical impedance spectroscopy (EIS) is a powerful electrochemical measurement technique that has become an integral part of the modern electrochemical laboratory. In addition to the basics of this technique, the white paper deals with important aspects that must be taken into account in order to generate meaningful data. Typical possible sources of error are mentioned as well as helpful hints for good measurements. In particular, the technique of "sub-harmonic-sampling" is discussed, with which the accuracy of EIS measurements can be further improved.
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Electrochemical impedance spectroscopy for the characterisation of battery cells
What matters in EIS - basics and recommendations for meaningful measurement results