Characterization techniques for gas diffusion layers for proton exchange membrane fuel cells: A review

A. Arvay, Elina Yli-Rantala, C.-H. Liu, X. Peng, Pauli Koski, L. Cindrella, Pertti Kauranen, P.M. Wilde, A.M. Kannan (Corresponding Author)

Research output: Contribution to journalReview ArticleScientificpeer-review

67 Citations (Scopus)

Abstract

The gas diffusion layer (GDL) in a proton exchange membrane fuel cell (PEMFC) is one of the functional components that provide a support structure for gas and water transport. The GDL plays a crucial role when the oxidant is air, especially when the fuel cell operates in the higher current density region. There has been an exponential growth in research and development because the PEMFC has the potential to become the future energy source for automotive applications. In order to serve in this capacity, the GDL requires due innovative analysis and characterization toward performance and durability. It is possible to achieve the optimum fuel cell performance only by understanding the characteristics of GDLs such as structure, pore size, porosity, gas permeability, wettability, thermal and electrical conductivities, surface morphology and water management. This review attempts to bring together the characterization techniques for the essential properties of the GDLs as handy tools for R&D institutions. Topics are categorized based on the ex-situ and in-situ characterization techniques of GDLs along with related modeling and simulation. Recently reported techniques used for accelerated durability evaluation of the GDLs are also consolidated within the ex-situ and in-situ methods.
Original languageEnglish
Pages (from-to)317-337
Number of pages21
JournalJournal of Power Sources
Volume213
DOIs
Publication statusPublished - 2012
MoE publication typeA2 Review article in a scientific journal

Fingerprint

gaseous diffusion
Diffusion in gases
Proton exchange membrane fuel cells (PEMFC)
fuel cells
membranes
protons
Fuel cells
Durability
durability
Gas permeability
Water management
porosity
Surface waters
Oxidants
water management
gas transport
conductivity
Pore size
Surface morphology
Wetting

Keywords

  • Gas diffusion layer
  • conductivity
  • porosity
  • gas permeability
  • water transport
  • proton exhange membrane fuel cell

Cite this

Arvay, A. ; Yli-Rantala, Elina ; Liu, C.-H. ; Peng, X. ; Koski, Pauli ; Cindrella, L. ; Kauranen, Pertti ; Wilde, P.M. ; Kannan, A.M. / Characterization techniques for gas diffusion layers for proton exchange membrane fuel cells : A review. In: Journal of Power Sources. 2012 ; Vol. 213. pp. 317-337.
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Characterization techniques for gas diffusion layers for proton exchange membrane fuel cells : A review. / Arvay, A.; Yli-Rantala, Elina; Liu, C.-H.; Peng, X.; Koski, Pauli; Cindrella, L.; Kauranen, Pertti; Wilde, P.M.; Kannan, A.M. (Corresponding Author).

In: Journal of Power Sources, Vol. 213, 2012, p. 317-337.

Research output: Contribution to journalReview ArticleScientificpeer-review

TY - JOUR

T1 - Characterization techniques for gas diffusion layers for proton exchange membrane fuel cells

T2 - A review

AU - Arvay, A.

AU - Yli-Rantala, Elina

AU - Liu, C.-H.

AU - Peng, X.

AU - Koski, Pauli

AU - Cindrella, L.

AU - Kauranen, Pertti

AU - Wilde, P.M.

AU - Kannan, A.M.

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N2 - The gas diffusion layer (GDL) in a proton exchange membrane fuel cell (PEMFC) is one of the functional components that provide a support structure for gas and water transport. The GDL plays a crucial role when the oxidant is air, especially when the fuel cell operates in the higher current density region. There has been an exponential growth in research and development because the PEMFC has the potential to become the future energy source for automotive applications. In order to serve in this capacity, the GDL requires due innovative analysis and characterization toward performance and durability. It is possible to achieve the optimum fuel cell performance only by understanding the characteristics of GDLs such as structure, pore size, porosity, gas permeability, wettability, thermal and electrical conductivities, surface morphology and water management. This review attempts to bring together the characterization techniques for the essential properties of the GDLs as handy tools for R&D institutions. Topics are categorized based on the ex-situ and in-situ characterization techniques of GDLs along with related modeling and simulation. Recently reported techniques used for accelerated durability evaluation of the GDLs are also consolidated within the ex-situ and in-situ methods.

AB - The gas diffusion layer (GDL) in a proton exchange membrane fuel cell (PEMFC) is one of the functional components that provide a support structure for gas and water transport. The GDL plays a crucial role when the oxidant is air, especially when the fuel cell operates in the higher current density region. There has been an exponential growth in research and development because the PEMFC has the potential to become the future energy source for automotive applications. In order to serve in this capacity, the GDL requires due innovative analysis and characterization toward performance and durability. It is possible to achieve the optimum fuel cell performance only by understanding the characteristics of GDLs such as structure, pore size, porosity, gas permeability, wettability, thermal and electrical conductivities, surface morphology and water management. This review attempts to bring together the characterization techniques for the essential properties of the GDLs as handy tools for R&D institutions. Topics are categorized based on the ex-situ and in-situ characterization techniques of GDLs along with related modeling and simulation. Recently reported techniques used for accelerated durability evaluation of the GDLs are also consolidated within the ex-situ and in-situ methods.

KW - Gas diffusion layer

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KW - water transport

KW - proton exhange membrane fuel cell

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DO - 10.1016/j.jpowsour.2012.04.026

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JO - Journal of Power Sources

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