Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 35, Issue 16, Pages 8678-8682Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2010.04.150
Keywords
Direct borohydride fuel cell; Borohydride; Oxidation; Fuel cell; Additive; Thiourea
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Funding
- National Boron Research Institute
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In this study, the effects of the additive thiourea (TU) have been investigated under steady state/steady-flow and uniform state/uniform-flow systems with the aim of minimizing the anodic hydrogen evolution on Pd in order to increase the performance of a direct borohydride fuel cell. The fuel cell has consisted of Pd/C anode, Pt/C cathode and Na+ form Nafion membrane as the electrolyte. There has been a small improvement in peak power density and fuel utilization ratio by addition of TU (1.6 x 10(-3) M) into the sodium borohydride solution; the peak power densities of 14.4 and 15.1 mW cm(-2), and fuel utilization ratios of 21.6% and 23.2% have been obtained without and with TU, respectively. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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