Facilitation of water management in low Pt loaded PEM fuel cell by creating hydrophobic microporous layer with PTFE, FEP and PDMS polymers: Effect of polymer and carbon amounts

2017-08-17
ÖZTÜRK, Ayşenur
FIÇICILAR, BERKER
Eroğlu, İnci
BAYRAKÇEKEN YURTCAN, Ayşe
Microporous layers (MPLs) were prepared with different hydrophobic polymers to establish water management in polymer electrolyte membrane (PEM) fuel cells. Besides conventionally used polymers polytetrafluoroethylene (PTFE) and fluorinated ethylene propylene (FEP), two different molecular weights (MW) of polydimethylsiloxane (PDMS) polymer were used as hydrophobic materials in MPL. Membrane electrode assemblies (MEAs) having MPLs with low MW PDMS polymer exhibited the best fuel cell performance compared to the PTFE and FEP based ones. Thus it is concluded that PDMS polymer has a great potential to be used as hydrophobic material for MPL to reduce flooding phenomena in PEM fuel cell. (C) 2017 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY

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Citation Formats
A. ÖZTÜRK, B. FIÇICILAR, İ. Eroğlu, and A. BAYRAKÇEKEN YURTCAN, “Facilitation of water management in low Pt loaded PEM fuel cell by creating hydrophobic microporous layer with PTFE, FEP and PDMS polymers: Effect of polymer and carbon amounts,” INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, pp. 21226–21249, 2017, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/56386.