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Nafion Ionomer Content in Catalyst Layer for PEMFC Nafion Ionomer Content in Catalyst Layer for PEMFC  

Ahn, Kyung-Yong (Dept. of Chemical Engineering, Grad. School of Changwon National Univ.)
Yang, Cheol-Nam (Material Processing Division, Korea Institute of Materials Science)
Lee, Soo (Dept. of Chemical Engineering, Grad. School of Changwon National Univ.)
Publication Information
Journal of Hydrogen and New Energy / v.21, no.6, 2010 , pp. 540-546 More about this Journal
Abstract
In order to confirm the effect of Nafion ionomer content in catalyst layer on the performance of PEMFC, we have fabricated several electrodes which were prepared by varying the quantity of Nafion ionomer from 24 wt.% to 39 wt.% in catalyst layer. The effect of Nafion ionomer of each electrode was evaluated with cyclic voltammetry measurement. In addition, cell performance was obtained through single cell test using hydrogen and air. The Pt utilization and performance of single cell were changed by addition of Nafion ionomer to the electrode. Single cell fabricated with 33 wt.% of Nafion ionomer in catalyst layer showed the maximum Pt utilization and performance.
Keywords
Nafion ionomer; PEMFC; Cell performance; Cyclic voltammetry; Electrochemically active specific area;
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Times Cited By KSCI : 1  (Citation Analysis)
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