Temperature-driven water transport through membrane electrode assembly of proton exchange membrane fuel cells

Rachid Zaffou; Jung S. Yi; H. Russell Kunz; James M. Fenton

doi:10.1149/1.2218306

Temperature-driven water transport through membrane electrode assembly of proton exchange membrane fuel cells

Rachid Zaffou^*, Jung S. Yi, H. Russell Kunz, James M. Fenton

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

61 Citations (Scopus)

Abstract

A quantitative investigation has been carried out to examine the effect of through-plane temperature difference on water transport across the membrane electrode assembly (MEA) of a proton exchange membrane (PEM) fuel cell. The presence of a temperature difference across the cell was found to cause a significant amount of water to transport through the MEA in the direction towards the colder side; the water transport rate increased with temperature and temperature gradient. This study reveals the importance of thermo-osmosis in PEM fuel cells (PEMFCs) and the need to consider the through-plane temperature profile in water management design and operation in PEMFCs.

Original language	English
Pages (from-to)	A418-A422
Journal	Electrochemical and Solid-State Letters
Volume	9
Issue number	9
DOIs	https://doi.org/10.1149/1.2218306
Publication status	Published - 2006
Externally published	Yes

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abstract = "A quantitative investigation has been carried out to examine the effect of through-plane temperature difference on water transport across the membrane electrode assembly (MEA) of a proton exchange membrane (PEM) fuel cell. The presence of a temperature difference across the cell was found to cause a significant amount of water to transport through the MEA in the direction towards the colder side; the water transport rate increased with temperature and temperature gradient. This study reveals the importance of thermo-osmosis in PEM fuel cells (PEMFCs) and the need to consider the through-plane temperature profile in water management design and operation in PEMFCs.",

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AU - Zaffou, Rachid

AU - Yi, Jung S.

AU - Kunz, H. Russell

AU - Fenton, James M.

PY - 2006

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AB - A quantitative investigation has been carried out to examine the effect of through-plane temperature difference on water transport across the membrane electrode assembly (MEA) of a proton exchange membrane (PEM) fuel cell. The presence of a temperature difference across the cell was found to cause a significant amount of water to transport through the MEA in the direction towards the colder side; the water transport rate increased with temperature and temperature gradient. This study reveals the importance of thermo-osmosis in PEM fuel cells (PEMFCs) and the need to consider the through-plane temperature profile in water management design and operation in PEMFCs.

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DO - 10.1149/1.2218306

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SP - A418-A422

JO - Electrochemical and Solid-State Letters

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ER -

Temperature-driven water transport through membrane electrode assembly of proton exchange membrane fuel cells

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