Low platinum loaded graphene based electrode layers for PEM fuel cell
Işıkel Şanlı, Lale and Yarar, Begüm and Bayram, Vildan and Alkan Gürsel, Selmiye (2014) Low platinum loaded graphene based electrode layers for PEM fuel cell. In: 248th ACS National Meeting & Exhibition 2014, San Francisco, California, USA
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Official URL: http://abstracts.acs.org/chem/248nm/program/view.php
In our study we aim to increase platinum (Pt) utilization through an enhancement of the three-phase boundary of electrode layer to reduce the use of valuable Pt catalyst and cost of PEM fuel cell. Thus, Poly(vinylidene fluoride) (PVDF)/graphene oxide nanofiber composites are produced according to the electro-spinning technique, then Pt is deposited onto the nanofiber mats in chemical reduction. It is expect that electrospun structured Pt/graphene plays an important role as catalyst support by mitigating CO poisoning risks and reducing cost. The ex-situ tests of resultant gas diffusion electrodes is accomplished by scanning electron microscope (SEM), transmission electron microscope (TEM), and electrical conductivity according to four-point probe technique. As conclusion, to be able to compare with commercial applications, MEAs is prepared from our electrodes will be tested in PEM fuel cell.
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