Mechanical Property of Nafion Membrane Incorporated with Pd Nanocatalyst and the Performance of PEMFC

ZrO2-TiO2 binary oxides with various Zr:Ti molar ratios were prepared by sol-gel method and Nafion Ⓡ /ZrO 2 -TiO 2 composite membranes were fabricated for proton exchange membrane fuel cells (PEMFCs) at high temperature and low humidity. Water uptake, Ion exchange capacity (IEC), and proton conductivity of Nafion Ⓡ /ZrO2-TiO2 composite membranes were characterized and these composite membranes were tested in a single cell at 120℃ with various relative humidity (R.H.) conditions. The obtained results were compared with the unmodified membranes (Nafion Ⓡ 112 and Recast Nafion Ⓡ ). A Nafion Ⓡ /ZrO 2 -TiO 2 composite membrane with 1:3 of Zr:Ti molar ratio showed the highest performance. The performance showed 500 mW/cm 2 (0.499V) at 120℃, 50% R. H., and 2 atm.

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Mechanical Property of Nafion Membrane Incorporated with Pd Nanocatalyst and the Performance of PEMFC

Cited by 2 publications

References 9 publications

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