Results of an international round-robin exercise on electrochemical impedance spectroscopy

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22320%2F20%3A43920750" target="_blank" >RIV/60461373:22320/20:43920750 - isvavai.cz</a>
Result on the web
<a href="https://www.tandfonline.com/loi/ycst20" target="_blank" >https://www.tandfonline.com/loi/ycst20</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.1080/1478422X.2020.1850070" target="_blank" >10.1080/1478422X.2020.1850070</a>

Result language
angličtina
Original language name
Results of an international round-robin exercise on electrochemical impedance spectroscopy
Original language description
To check the reproducibility of electrochemical impedance spectroscopy (EIS) measurements, 19 laboratories have performed round-robin (RR) testing on EIS using various instruments and three different systems: a dummy cell and two electrochemical systems of practical interest in the nuclear corrosion domain. The general conclusion drawn from the tests performed with the dummy cell is that the actual commercially available instruments for EIS measurements are suitable to produce good quality data. Differences in the EIS diagrams for the tested electrochemical systems were observed and discussed. This RR exercise, involving for the first time a large number of laboratories, shows that intrinsic scatter (large or small) is present in the impedance data and that reproducibility should be readily checked. While EIS is an excellent technique for investigating the kinetics of electrochemical systems, great care has to be taken on planning and conducting the experiments. Recommendations are given to help obtaining reliable EIS results. © 2020 Institute of Materials, Minerals and Mining Published by Taylor & Francis on behalf of the Institute.
Czech name
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Czech description
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Type
J<sub>imp</sub> - Article in a specialist periodical, which is included in the Web of Science database
CEP classification
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OECD FORD branch
10405 - Electrochemistry (dry cells, batteries, fuel cells, corrosion metals, electrolysis)

Project
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Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2020
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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