Open Access
Energies, volume 15, issue 8, pages 2734
Simulation of Mass and Heat Transfer in an Evaporatively Cooled PEM Fuel Cell
Publication type: Journal Article
Publication date: 2022-04-08
Electrical and Electronic Engineering
Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment
Control and Optimization
Engineering (miscellaneous)
Energy (miscellaneous)
Abstract
Evaporative cooling is a promising concept to improve proton exchange membrane fuel cells. While the particular concept based on gas diffusion layers (GDLs) modified with hydrophilic lines (HPILs) has recently been demonstrated, there is a lack in the understanding of the mass and heat transport processes. We have developed a 3-D, non-isothermal, macro-homogeneous numerical model focusing on one interface between a HPIL and an anode gas flow channel (AGFC). In the base case model, water evaporates within a thin film adjacent to the interfaces of the HPIL with the AGFC and with the hydrophobic anode GDL. The largest part of the generated water vapor leaves the cell via the AGFC. The transport to the cathode side is shown to be partly limited by the ab-/desorption into/from the membrane. The cooling due to the latent heat has a strong effect on the local evaporation rate. An increase of the mass transfer coefficient for evaporation leads to a transport limited regime inside the MEA while the transport via the AGFC is limited by evaporation kinetics.
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Herrendörfer R., Cochet M., Schumacher J. Simulation of Mass and Heat Transfer in an Evaporatively Cooled PEM Fuel Cell // Energies. 2022. Vol. 15. No. 8. p. 2734.
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Herrendörfer R., Cochet M., Schumacher J. Simulation of Mass and Heat Transfer in an Evaporatively Cooled PEM Fuel Cell // Energies. 2022. Vol. 15. No. 8. p. 2734.
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TY - JOUR
DO - 10.3390/en15082734
UR - https://doi.org/10.3390/en15082734
TI - Simulation of Mass and Heat Transfer in an Evaporatively Cooled PEM Fuel Cell
T2 - Energies
AU - Herrendörfer, Robert
AU - Cochet, Magali
AU - Schumacher, Jürgen
PY - 2022
DA - 2022/04/08 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 2734
IS - 8
VL - 15
SN - 1996-1073
SN - 1996-1073
ER -
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@article{2022_Herrendörfer,
author = {Robert Herrendörfer and Magali Cochet and Jürgen Schumacher},
title = {Simulation of Mass and Heat Transfer in an Evaporatively Cooled PEM Fuel Cell},
journal = {Energies},
year = {2022},
volume = {15},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {apr},
url = {https://doi.org/10.3390/en15082734},
number = {8},
pages = {2734},
doi = {10.3390/en15082734}
}
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Herrendörfer, Robert, et al. “Simulation of Mass and Heat Transfer in an Evaporatively Cooled PEM Fuel Cell.” Energies, vol. 15, no. 8, Apr. 2022, p. 2734. https://doi.org/10.3390/en15082734.