| Issue |
EPJ Web Conf.
Volume 224, 2019
IV International Conference “Modeling of Nonlinear Processes and Systems” (MNPS-2019)
|
|
|---|---|---|
| Article Number | 03001 | |
| Number of page(s) | 7 | |
| Section | Mathematical Modeling in Biology, Chemistry and Earth’s Sciences | |
| DOI | https://doi.org/10.1051/epjconf/201922403001 | |
| Published online | 09 December 2019 | |
https://doi.org/10.1051/epjconf/201922403001
Mathematical Modeling of Charge Transfer Processes in Polymeric Ionites During the Water Vapor Sorption
1
Russian State Agricultural University, Kaluga branch, RU-248007, Kaluga, Russia
2
Moscow State Technological University “STANKIN”, RU-127055, Moscow, Russia
* e-mail: mcxa_iv@inbox.ru
Published online: 9 December 2019
Based on a thermodynamic approach, a mathematical model of charge transfer processes in the polymeric ionites (ion-exchange materials) during the water vapor sorption was developed. Theoretical dependences of the resistance of a polymeric ionite on the relative air humidity over the range 10-100% at physically reasonable values of the parameters of the system were obtained. The comparison of theoretical and experimental dependences has been performed. Possible reasons for and criteria of the phase transitions that lead to stepwise change of ionite resistance were discussed. The developed mathematical model adequately describes the available experimental data and allows formulating practical recommendations on selecting optimal polymeric coatings for the electrode units of molecular-electronic humidity gauges.
© The Authors, published by EDP Sciences, 2019
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