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PtRu/Ti anodes with varying Pt:Ru ratio prepared by electrodeposition for the direct methanol fuel cell

Lookup NU author(s): Fuyun Zhu, Professor Wen-Feng Lin, Professor Paul ChristensenORCiD, Dr Honglin Zhang


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PtRu/Ti anodes with varying Pt : Ru ratio were prepared by electrodeposition of a thin PtRu catalyst layer onto Ti mesh for a direct methanol fuel cell (DMFC). The morphology and structure of the catalyst layers were analyzed by SEM, EDX and XRD. The catalyst coating layer shows an alloy character. The relative activities of the PtRu/Ti electrodes were assessed and compared in half cell and single DMFC experiments. The results show that these electrodes are very active for the methanol oxidation and that the optimum Ru surface coverage was ca. 9 at.% for DMFC operating at 20°C and 11 at.% at 60°C. The PtRu/Ti anode shows a performance comparable to that of the conventional carbon-based anode in a DMFC operating with 0.25 M or 0.5 M methanol solution and atmosphere oxygen gas at 90°C. © the Owner Societies 2006.

Publication metadata

Author(s): Shao Z-G, Zhu F, Lin W-F, Christensen PA, Zhang H

Publication type: Article

Publication status: Published

Journal: Physical Chemistry Chemical Physics

Year: 2006

Volume: 8

Issue: 23

Pages: 2720-2726

ISSN (print): 1463-9076

ISSN (electronic): 1463-9084

Publisher: Royal Society of Chemistry


DOI: 10.1039/b604939g

PubMed id: 16763704


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