Open Access
Processes, volume 8, issue 9, pages 1069
Self-Humidifying Proton Exchange Membranes for Fuel Cell Applications: Advances and Challenges
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Department of Chemistry, University of Calgary, 2500 University Drive NW, Calgary, AB T2N 1N4, Canada
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Publication type: Journal Article
Publication date: 2020-09-01
Process Chemistry and Technology
Bioengineering
Chemical Engineering (miscellaneous)
Abstract
Polymer electrolyte fuel cells (PEFCs) provide efficient and carbon-free power by converting the hydrogen chemical energy. The PEFCs can reach their greatest performance in humidified condition, as proton exchange membranes (PEMs) should be humidified for their proton transportation function. Thus, external humidifiers are commonly employed to increase the water content of reactants. However, being burdened with external humidifiers can make the control of PEFCs complicated and costly, in particular for transportation application. To overcome this issue, self-humidifying PEMs have been introduced, with which PEFC can be fed by dry reactants. In fact, internal humidification is accomplished by produced water from the recombination of permeated hydrogen and oxygen gases on the incorporated platinum catalysts within the PEM. While the water production agent remains constant, there is a broad range of additives that are utilized to retain the generated water and facilitate the proton conduction path in the PEM. This review paper has classified the aforementioned additives in three categories: inorganic materials, proton-conductive materials, and carbon-based additives. Moreover, synthesis methods, preparation procedures, and characterization tests are overviewed. Eventually, self-humidifying PEMs endowed with platinum and different additives are compared from performance and stability perspectives, such as water uptake, proton conductivity, fuel cell performance, gas cross-over, and the overall durability. In addition, their challenges and possible solutions are reviewed. Considering the concerns regarding the long-term durability of such PEMs, it seems that further investigations can be beneficial to confirm their reliability for prolonged PEFC operation.
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Citations by publishers
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- We do not take into account publications without a DOI.
- Statistics recalculated only for publications connected to researchers, organizations and labs registered on the platform.
- Statistics recalculated weekly.
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Mirfarsi S. H. et al. Self-Humidifying Proton Exchange Membranes for Fuel Cell Applications: Advances and Challenges // Processes. 2020. Vol. 8. No. 9. p. 1069.
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Mirfarsi S. H., Parnian M. J., Rowshanzamir S. Self-Humidifying Proton Exchange Membranes for Fuel Cell Applications: Advances and Challenges // Processes. 2020. Vol. 8. No. 9. p. 1069.
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TY - JOUR
DO - 10.3390/pr8091069
UR - https://doi.org/10.3390/pr8091069
TI - Self-Humidifying Proton Exchange Membranes for Fuel Cell Applications: Advances and Challenges
T2 - Processes
AU - Mirfarsi, Seyed Hesam
AU - Rowshanzamir, Soosan
AU - Parnian, Mohammad Javad
PY - 2020
DA - 2020/09/01 00:00:00
PB - Multidisciplinary Digital Publishing Institute (MDPI)
SP - 1069
IS - 9
VL - 8
SN - 2227-9717
ER -
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@article{2020_Mirfarsi,
author = {Seyed Hesam Mirfarsi and Soosan Rowshanzamir and Mohammad Javad Parnian},
title = {Self-Humidifying Proton Exchange Membranes for Fuel Cell Applications: Advances and Challenges},
journal = {Processes},
year = {2020},
volume = {8},
publisher = {Multidisciplinary Digital Publishing Institute (MDPI)},
month = {sep},
url = {https://doi.org/10.3390/pr8091069},
number = {9},
pages = {1069},
doi = {10.3390/pr8091069}
}
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Mirfarsi, Seyed Hesam, et al. “Self-Humidifying Proton Exchange Membranes for Fuel Cell Applications: Advances and Challenges.” Processes, vol. 8, no. 9, Sep. 2020, p. 1069. https://doi.org/10.3390/pr8091069.