Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 32, Issue 3, Pages 400-404Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2006.06.047
Keywords
regenerative fuel cell; deposition; bifunctional electrocatalyst
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A bifunctional RuO2-IrO2/Pt electrocatalyst for the unitized regenerative fuel cell (URFC) was synthesized by colloid deposition and characterized by analytical methods like TEM, XRD, etc. The result reveals that RuO2-IrO2 was well dispersed and deposited on the surface of Pt black. With deposited RuO2-IrO2/Pt as the catalyst of oxygen electrode, the performance of fuel cell/water electrolysis of unitized regenerative fuel cell (URFC) was studied in detail. URFC with deposited RuO2-IrO2/Pt shows better performance than that of URFC with mixed RuO2-IrO2/Pt catalyst. Cyclic performance of URFC with deposited RuO2-IrO2/Pt is very stable during 10 cyclic tests. (c) 2006 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
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