Experimental measurements of effective diffusion coefficient of oxygen-nitrogen mixture in PEM fuel cell diffusion media

Chemical Engineering Science

Volumn 65, Issue 2, 2010, Pages 931-937

  Zamel, Nada ^a   Astrath, Nelson G C ^b   Li, Xianguo ^a   Shen, Jun ^b   Zhou, Jianqin ^b   Astrath, Francine B G ^b   Wang, Haijiang ^b   Liu, Zhong Sheng ^b  

^a UNIVERSITY OF WATERLOO   (Canada)

^b NATIONAL RESEARCH COUNCIL CANADA   (Canada)

Author keywords

Carbon paper; Diffusion; Diffusion coefficient; Electrochemistry; Energy; Fuel cell; Gas diffusion layer; Loschmidt cell; Porous media

Indexed keywords

CARBON PAPER; DIFFUSION COEFFICIENT; DIFFUSION COEFFICIENTS; GAS DIFFUSION LAYERS; POROUS MEDIA;

BIOLOGICAL MATERIALS; ELECTROCHEMISTRY; GASES; MASS TRANSFER; OXYGEN; PAPER; POROUS MATERIALS; PROTON EXCHANGE MEMBRANE FUEL CELLS (PEMFC);

DIFFUSION IN GASES;

EID: 72149100981     PISSN: 00092509     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.ces.2009.09.044     Document Type: Article

References (15)

1. Astrath N.G.C., Shen J., Song D., Rohling J.H., Astrath F.B.G., Zhou J., Navessin T., Liu Z.S., Gu C.E., and Zhao X. The effect of relative humidity on the binary gas diffusion. Journal of Physical Chemistry A 113 (2009) 8369-8374
2. Baker D., Wieser C., Neyerlin K.C., and Murphy M.W. The use of limiting current to determine transport resistance in PEM fuel cells. ECS Transactions 3 (2006) 989-999
3. Bruggeman D.A.G. Calculation of various physics constants in heterogenous substances I: dielectricity constants and conductivity of mixed bodies from isotropic substances. Annalen der Physik (Leipzig) 24 (1935) 636-664
4. Crank J. The Mathematics of Diffusion. second ed (1975), Oxford University Press, New York
5. Das P.K., Li X., and Liu Z.S. Estimation of effective transport properties for the PEM fuel cells. Applied Energy, in press, doi: 10.1016/j.apenergy.2009.05.006 (2009)
6. Flückiger R., Freunberger S.A., Kramer D., Wokaun A., Scherer G.G., and Büchi F.N. Anistropic, effective diffusivity of porous gas diffusion layer materials for PEFC. Electrochimica Acta 54 (2008) 551-559
7. Fuller E.N., Schettler P.D., and Giddings J.C. New method for prediction of binary gas phase diffusion coefficients. Industrial and Engineering Chemistry 58 (1966) 19-27
8. Kramer D., Freunberger S.A., Flückiger R., Schneider I.A., Wokaun A., Büchi F.N., and Scherer G.G. Electrochemical diffusimetry of fuel cell gas diffusion layers. Journal of Electroanalytical Chemistry 612 (2008) 63-77
9. Nam J.H., and Kaviany M. Effective diffusivity and water-saturation distribution in single and two-layer PEMFC diffusion medium. International Journal of Heat and Mass Transfer 46 (2003) 4595-4611
10. Neale G.H., and Nader W.K. Prediction of transport processes within porous media: diffusive flow processes within a homogeneous swarm of spherical particles. AIChE Journal 19 (1973) 112-119
11. Rohling J.H., Shen J., Zhou J., and Gu C.E. Application of the diffraction theory for photothermal deflection to the measurement of the temperature coefficient of the refractive index of a binary gas mixture. Journal of Applied Physics 99 (2006) 103-107
12. Rohling J.H., Shen J., Wang C., Zhou J., and Gu C.E. Determination of binary diffusion coefficients of gases using photothermal deflection technique. Journal of Applied Physics B 87 (2007) 355-362
13. Stumper J., Haas H., and Granados A. In situ determination of MEA resistance and electrode diffusivity of a fuel cell. Journal of the Electrochemical Society 152 (2005) A837-A844
14. Tomadakis M.M., and Sotirchos S.V. Ordinary and transition regime diffusion in random fiber structures. AIChE Journal 39 (1993) 397-412
15. Ye X., and Wang C.-Y. Measurement of water transport properties through membrane electrode assemblies. Journal of the Electrochemical Society 154 (2007) B683-B686