Characterization of water transport in gas diffusion media

C Quick, D Ritzinger, W Lehnert, C Hartnig - Journal of Power Sources, 2009 - Elsevier
… diffusive gas transport. In spite of these indications that the molecular gas diffusion probably
dominates the water transport … liquid water transport in the current study as well. Fig. 10, Fig. …

Water transport mechanisms in PEMFC gas diffusion layers

JP Owejan, JE Owejan, W Gu, TA Trabold… - Journal of The …, 2010 - iopscience.iop.org
… has also been identified as a significant contributor to water transport. However, the … that
vapor diffusion mechanism can entirely support product water transport even during high current …

Liquid water transport in gas diffusion layer of polymer electrolyte fuel cells

U Pasaogullari, CY Wang - Journal of the electrochemical society, 2004 - iopscience.iop.org
… governing physics of water transport in both hydrophilic and hydrophobic diffusion media is
… of related transport processes. It is found that liquid water transport across the gas diffusion

Liquid water transport mechanism in the gas diffusion layer

P Zhou, CW Wu - Journal of power sources, 2010 - Elsevier
transport of liquid in a porous media and to reveal the basic principles of water transport in
gas diffusion … is needed to drive the liquid water to penetrate through the porous GDL even …

Effect of compression on liquid water transport and microstructure of PEMFC gas diffusion layers

A Bazylak, D Sinton, ZS Liu, N Djilali - Journal of Power Sources, 2007 - Elsevier
… This work explores how the degradation of the gas diffusion layer (GDL) under … water
transport. Fluorescence microscopy is used to provide ex situ visualization of liquid water transport

Dynamic water transport and droplet emergence in PEMFC gas diffusion layers

A Bazylak, D Sinton, N Djilali - Journal of Power Sources, 2008 - Elsevier
… The dynamics of liquid water transport through the gas diffusion layer (GDL) and into a gas
to investigate the dynamic liquid water transport behaviour in a simulated gas flow channel. A …

Ex situ visualization of liquid water transport in PEM fuel cell gas diffusion layers

S Litster, D Sinton, N Djilali - Journal of Power Sources, 2006 - Elsevier
… In this paper we present a novel method for visualizing the transport of liquid water in
unsaturated gas diffusion layers. The visualization is sought to improve computational models and …

Water management in a pemfc: water transport mechanism and material degradation in gas diffusion layers

SG Kandlikar, ML Garofalo, Z Lu - Fuel Cells, 2011 - Wiley Online Library
gas diffusion layer (GDL), and microporous layer (MPL). In this paper, the key GDL and MPL
properties that affect water transport … An intermittent water drainage mechanism across the …

Liquid water transport in a mixed-wet gas diffusion layer of a polymer electrolyte fuel cell

PK Sinha, CY Wang - Chemical Engineering Science, 2008 - Elsevier
… After PTFE treatment, a gas diffusion layer (GDL) of a … impacts liquid water transport and
associated mass transport losses. A … on pore-scale liquid water transport in a GDL under fuel cell …

Pore-network modeling of liquid water transport in gas diffusion layer of a polymer electrolyte fuel cell

PK Sinha, CY Wang - Electrochimica Acta, 2007 - Elsevier
… centers on liquid water transport and resulting … water blocks reactant transport through the
gas diffusion layer (GDL), and incurs mass transport losses by hindering oxygen transport to …