Platinum based binary and ternary catalysts were prepared by thermal decomposition onto a titanium mesh and were evaluated for the anodic oxidation of methanol. The binary Pt:Ru catalyst with a composition of 1:1 gave the highest performance for methanol oxidation at . The effect of temperature and time for thermal decomposition was optimized with respect to methanol oxidation, and the catalysts were characterized by cyclic voltammetry, linear sweep voltammetry, scanning electron microscopy, X-ray diffraction studies, and X-ray photoelectron spectroscopy. The best catalyst was evaluated in a single fuel cell, and the effect of methanol concentration, temperature, and oxygen/air flow was studied. The mesh-based fuel cell, operating at with methanol, gave maximum power densities of and with 1 bar (gauge) oxygen and air, respectively.
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e-mail: raghuc@iitm.ac.in
e-mail: k.scott@ncl.ac.uk
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June 2010
This article was originally published in
Journal of Fuel Cell Science and Technology
Research Papers
Optimization of Mesh-Based Anodes for Direct Methanol Fuel Cells
Raghuram Chetty,
Raghuram Chetty
School of Chemical Engineering and Advanced Materials,
e-mail: raghuc@iitm.ac.in
Newcastle University
, Newcastle upon Tyne NE1 7RU, UK; Lehrstuhl für Technische Chemie, Ruhr-Universität Bochum
, Bochum D-44801, Germany; Department of Chemical Engineering, Indian Institute of Technology Madras
, Chennai 600 036, India
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Keith Scott,
Keith Scott
School of Chemical Engineering and Advanced Materials,
e-mail: k.scott@ncl.ac.uk
Newcastle University
, Newcastle upon Tyne NE1 7RU, UK
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Shankhamala Kundu,
Shankhamala Kundu
Lehrstuhl für Technische Chemie,
Ruhr-Universität Bochum
, Bochum D-44801, Germany
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Martin Muhler
Martin Muhler
Lehrstuhl für Technische Chemie,
Ruhr-Universität Bochum
, Bochum D-44801, Germany
Search for other works by this author on:
Raghuram Chetty
School of Chemical Engineering and Advanced Materials,
Newcastle University
, Newcastle upon Tyne NE1 7RU, UK; Lehrstuhl für Technische Chemie, Ruhr-Universität Bochum
, Bochum D-44801, Germany; Department of Chemical Engineering, Indian Institute of Technology Madras
, Chennai 600 036, Indiae-mail: raghuc@iitm.ac.in
Keith Scott
School of Chemical Engineering and Advanced Materials,
Newcastle University
, Newcastle upon Tyne NE1 7RU, UKe-mail: k.scott@ncl.ac.uk
Shankhamala Kundu
Lehrstuhl für Technische Chemie,
Ruhr-Universität Bochum
, Bochum D-44801, Germany
Martin Muhler
Lehrstuhl für Technische Chemie,
Ruhr-Universität Bochum
, Bochum D-44801, GermanyJ. Fuel Cell Sci. Technol. Jun 2010, 7(3): 031011 (9 pages)
Published Online: March 12, 2010
Article history
Received:
October 4, 2007
Revised:
October 16, 2008
Online:
March 12, 2010
Published:
March 12, 2010
Citation
Chetty, R., Scott, K., Kundu, S., and Muhler, M. (March 12, 2010). "Optimization of Mesh-Based Anodes for Direct Methanol Fuel Cells." ASME. J. Fuel Cell Sci. Technol. June 2010; 7(3): 031011. https://doi.org/10.1115/1.3117605
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