Thermo-electrical instabilities arising in proton exchange membrane of fuel cell

D. A. Bograchev; S. Martemianov

doi:10.1016/j.ijheatmasstransfer.2011.02.046

Thermo-electrical instabilities arising in proton exchange membrane of fuel cell

D. A. Bograchev, S. Martemianov

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

4 Scopus citations

Abstract

A thermo-electrical model of fuel cell proton exchange membrane is developed and the stability of the system is studied. The marginal curves have been obtained as a function of governed dimensionless parameters. The determined dimensionless parameters allow analyzing different scenarios of non-controlled membrane heating. It has been shown that a positive thermo-electrical feedback can cause instability development and membrane damage in real systems. Recommendations for the improvement of heat management in fuel cells have been proposed using the provided stability study. In particular, it has been demonstrated that decreasing of gas diffusion layer thickness has positive effect and stabilizes the system.

Original language	English
Pages (from-to)	3024-3030
Number of pages	7
Journal	International Journal of Heat and Mass Transfer
Volume	54
Issue number	13-14
DOIs	https://doi.org/10.1016/j.ijheatmasstransfer.2011.02.046
State	Published - Jun 2011
Externally published	Yes

Keywords

Fuel cell
Heat management
Proton exchange membrane
Stability

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10.1016/j.ijheatmasstransfer.2011.02.046

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title = "Thermo-electrical instabilities arising in proton exchange membrane of fuel cell",

abstract = "A thermo-electrical model of fuel cell proton exchange membrane is developed and the stability of the system is studied. The marginal curves have been obtained as a function of governed dimensionless parameters. The determined dimensionless parameters allow analyzing different scenarios of non-controlled membrane heating. It has been shown that a positive thermo-electrical feedback can cause instability development and membrane damage in real systems. Recommendations for the improvement of heat management in fuel cells have been proposed using the provided stability study. In particular, it has been demonstrated that decreasing of gas diffusion layer thickness has positive effect and stabilizes the system.",

keywords = "Fuel cell, Heat management, Proton exchange membrane, Stability",

author = "Bograchev, {D. A.} and S. Martemianov",

note = "Funding Information: The authors thank the common CNRS and Russian Academy of Sciences Project PICS No. 4323 “Investigation of non-stationary and electrical fluctuation phenomena in PEM fuel cells” for the financial support of this work. ",

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AU - Bograchev, D. A.

AU - Martemianov, S.

N1 - Funding Information: The authors thank the common CNRS and Russian Academy of Sciences Project PICS No. 4323 “Investigation of non-stationary and electrical fluctuation phenomena in PEM fuel cells” for the financial support of this work.

PY - 2011/6

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N2 - A thermo-electrical model of fuel cell proton exchange membrane is developed and the stability of the system is studied. The marginal curves have been obtained as a function of governed dimensionless parameters. The determined dimensionless parameters allow analyzing different scenarios of non-controlled membrane heating. It has been shown that a positive thermo-electrical feedback can cause instability development and membrane damage in real systems. Recommendations for the improvement of heat management in fuel cells have been proposed using the provided stability study. In particular, it has been demonstrated that decreasing of gas diffusion layer thickness has positive effect and stabilizes the system.

AB - A thermo-electrical model of fuel cell proton exchange membrane is developed and the stability of the system is studied. The marginal curves have been obtained as a function of governed dimensionless parameters. The determined dimensionless parameters allow analyzing different scenarios of non-controlled membrane heating. It has been shown that a positive thermo-electrical feedback can cause instability development and membrane damage in real systems. Recommendations for the improvement of heat management in fuel cells have been proposed using the provided stability study. In particular, it has been demonstrated that decreasing of gas diffusion layer thickness has positive effect and stabilizes the system.

KW - Fuel cell

KW - Heat management

KW - Proton exchange membrane

KW - Stability

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JO - International Journal of Heat and Mass Transfer

JF - International Journal of Heat and Mass Transfer

IS - 13-14

ER -

Thermo-electrical instabilities arising in proton exchange membrane of fuel cell

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