Electrochimica Acta, volume 53, issue 16, pages 5315-5321

PEM fuel cell relative humidity (RH) and its effect on performance at high temperatures

Jianlu Zhang 1
Yanghua Tang 1
Chaojie Song 1
Zetao Xia 1
Hui Li 1
Haijiang Wang 1
Jiujun Zhang 1
1
 
Institute for Fuel Cell Innovation, National Research Council of Canada, 4250 Wesbrook Mall, Vancouver, B.C., Canada V6T 1W5
Publication typeJournal Article
Publication date2008-06-01
Quartile SCImago
Q1
Quartile WOS
Q2
Impact factor6.6
ISSN00134686
General Chemical Engineering
Electrochemistry
Abstract
The water balance inside a fuel cell was analysed and several equations were introduced as functions of fuel cell gas-stream inlet and outlet pressures, inlet relative humidities (RHs), temperature, pressure drops across flow channels, and reactant partial pressures. The effect of RH on PEM fuel cell performance was studied at elevated temperatures under ambient backpressure using NafionĀ®-based MEAs. The results showed that fuel cell performance could be depressed significantly by decreasing RH from 100 to 25%. AC impedance and cyclic voltammetry techniques were employed to diagnose the RH effect on fuel cell reaction kinetics. Reducing RH can result in slower electrode kinetics, including electrode reaction and mass diffusion rates, and higher membrane resistance.

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GOST |
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GOST Copy
Zhang J. et al. PEM fuel cell relative humidity (RH) and its effect on performance at high temperatures // Electrochimica Acta. 2008. Vol. 53. No. 16. pp. 5315-5321.
GOST all authors (up to 50) Copy
Zhang J., Tang Y., Song C., Xia Z., Li H., Wang H., Zhang J. PEM fuel cell relative humidity (RH) and its effect on performance at high temperatures // Electrochimica Acta. 2008. Vol. 53. No. 16. pp. 5315-5321.
RIS |
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RIS Copy
TY - JOUR
DO - 10.1016/j.electacta.2008.02.074
UR - https://doi.org/10.1016/j.electacta.2008.02.074
TI - PEM fuel cell relative humidity (RH) and its effect on performance at high temperatures
T2 - Electrochimica Acta
AU - Zhang, Jianlu
AU - Tang, Yanghua
AU - Song, Chaojie
AU - Xia, Zetao
AU - Li, Hui
AU - Wang, Haijiang
AU - Zhang, Jiujun
PY - 2008
DA - 2008/06/01 00:00:00
PB - Elsevier
SP - 5315-5321
IS - 16
VL - 53
SN - 0013-4686
ER -
BibTex |
Cite this
BibTex Copy
@article{2008_Zhang,
author = {Jianlu Zhang and Yanghua Tang and Chaojie Song and Zetao Xia and Hui Li and Haijiang Wang and Jiujun Zhang},
title = {PEM fuel cell relative humidity (RH) and its effect on performance at high temperatures},
journal = {Electrochimica Acta},
year = {2008},
volume = {53},
publisher = {Elsevier},
month = {jun},
url = {https://doi.org/10.1016/j.electacta.2008.02.074},
number = {16},
pages = {5315--5321},
doi = {10.1016/j.electacta.2008.02.074}
}
MLA
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MLA Copy
Zhang, Jianlu, et al. ā€œPEM fuel cell relative humidity (RH) and its effect on performance at high temperatures.ā€ Electrochimica Acta, vol. 53, no. 16, Jun. 2008, pp. 5315-5321. https://doi.org/10.1016/j.electacta.2008.02.074.
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