Search Results - subject:"Gas diffusion layer"

Experimental study on the self-humidification effect in proton exchange membrane fuel cells containing double gas diffusion backing layer

Kong, Im Mo; Choi, Jong Won; Kim, Sung Il; Lee, Eun Sook; … - In: Applied Energy 145 (2015) C, pp. 345-353

Adequate hydration of the membrane is required to ensure high proton conductivity in proton exchange membrane fuel cells (PEMFCs), which, in turn, is required for achieving high cell performances. While external humidifiers are typically used to humidify the supplied air in conventional systems,...

Persistent link: https://www.econbiz.de/10011263284

Effect of conductive carbon material content and structure in carbon fiber paper made from carbon felt on the performance of a proton exchange membrane fuel cell

Hung, Chih-Jung; Liu, Ching-Han; Wang, Chien-Hsun; … - In: Renewable Energy 78 (2015) C, pp. 364-373

This study concerns the use of conductive carbon material with different content and structure to produce carbon fiber paper for use in proton exchange membrane fuel cells, and investigates how changes in the content and structure of the conductive carbon material influence fuel cell performance.

Persistent link: https://www.econbiz.de/10011208631

An engineering approach to optimal metallic bipolar plate designs reflecting gas diffusion layer compression effects

Kim, Ah-Reum; Jung, Hye-Mi; Um, Sukkee - In: Energy 66 (2014) C, pp. 50-55

GDL (Gas diffusion layer) intrusion into gas feeding channels narrows the effective channel cross-sectional area and …

Persistent link: https://www.econbiz.de/10011055232

Designed experiments to characterize PEMFC material properties and performance

Flick, Sarah; Schwager, Maximilian; McCarthy, Edward; … - In: Applied Energy 129 (2014) C, pp. 135-146

We report on using Design of Experiments (DoE) methods to study the influence of the gas diffusion layer (GDL) material …

Persistent link: https://www.econbiz.de/10011041034

Effects of anisotropic bending stiffness of gas diffusion layers on the performance of polymer electrolyte membrane fuel cells with bipolar plates employing different channel depths

Baik, Kyung Don; Hong, Bo Ki; Han, Kookil; Kim, Min Soo - In: Renewable Energy 69 (2014) C, pp. 356-364

The effects of the anisotropic bending stiffness of gas diffusion layers (GDLs) on the performance of polymer electrolyte membrane fuel cells with metallic bipolar plates (MBPs), having different channel depths, are investigated. The current–voltage performance of fuel cells with 90° GDLs,...

Persistent link: https://www.econbiz.de/10011043871

The contact resistance between gas diffusion layers and bipolar plates as they are assembled in proton exchange membrane fuel cells

Ismail, M.S.; Ingham, D.B.; Ma, L.; Pourkashanian, M. - In: Renewable Energy 52 (2013) C, pp. 40-45

The contact resistance between the gas diffusion layer (GDL) and the bipolar plate has been experimentally estimated as …

Persistent link: https://www.econbiz.de/10010804187

Development of a porosity-graded micro porous layer using thermal expandable graphite for proton exchange membrane fuel cells

Chun, Jeong Hwan; Jo, Dong Hyun; Kim, Sang Gon; Park, … - In: Renewable Energy 58 (2013) C, pp. 28-33

water removal ability of the gas diffusion layer (GDL). In the double MPL, the porosity of each layer was controlled using …

Persistent link: https://www.econbiz.de/10010804764

Investigation of species transport in a gas diffusion layer of a polymer electrolyte membrane fuel cell through two-phase modelling

Hossain, Mamdud; Islam, Sheikh Zahidul; Pollard, Patricia - In: Renewable Energy 51 (2013) C, pp. 404-418

gas diffusion layer taking into account effects of liquid water saturation. A set of governing equations for mass … cell voltage. The effects of isotropic and anisotropic permeability of gas diffusion layer have also been studied and the … deteriorates with low in-plane and high through-plane permeability of gas diffusion layer. …

Persistent link: https://www.econbiz.de/10010805645

Investigation of porous carbon and carbon nanotube layer for proton exchange membrane fuel cells

Jung, Guo-Bin; Tzeng, Wei-Jen; Jao, Ting-Chu; Liu, Yu-Hsu; … - In: Applied Energy 101 (2013) C, pp. 457-464

0.5 to 3.0mgcm−2, and formed a custom-made gas diffusion layer (GDL) which was subjected to further study. Physical …

Persistent link: https://www.econbiz.de/10011041275

Water dynamics inside a cathode channel of a polymer electrolyte membrane fuel cell

Hossain, Mamdud; Islam, Sheikh Zahidul; Colley-Davies, Amy - In: Renewable Energy 50 (2013) C, pp. 763-779

implemented to investigate the emergence of water droplets from the gas diffusion layer into the cathode channel and the … the channel near side walls, a further discussion has been provided that a gas diffusion layer design based on hydrophilic … diffusion layer. …

Persistent link: https://www.econbiz.de/10011045180