| Issue |
E3S Web Conf.
Volume 334, 2022
EFC21 - European Fuel Cells and Hydrogen Piero Lunghi Conference
|
|
|---|---|---|
| Article Number | 06009 | |
| Number of page(s) | 5 | |
| Section | Hydrogen Mobility | |
| DOI | https://doi.org/10.1051/e3sconf/202233406009 | |
| Published online | 10 January 2022 | |
Characterization and modelling of air humidification in Fuel Cell System for transport sector
1 Politecnico di Milano, Energy Department, 20156 Milano, Italy
2 Solvay Specialty Polymers SpA, R&D Centre, 20021 Bollate, Italy
* Corresponding author: amedeo.grimaldi@polimi.it
A model for the physical description of water transport through steady-state permeation and dynamic sorption within perfluoro-sulfonic acid (PFSA) membranes has been developed. A broad experimental campaign is conducted on several membranes, belonging to Aquivion class, varying both in thickness and equivalent weight (EW). The experimental data have been used to calibrate and validate water transport model and to find correlations for mass-transfer properties in low-EW PFSA membranes that describe consistently both water vapor permeation and sorption. It has been possible to identify individual contributions to mass transport resistance and to determine the optimal configuration and materials of a full-scale counter-flow membrane humidifier under a set of specific operating conditions.
© The Authors, published by EDP Sciences, 2022
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